Submitted By: Joe Ciccone Date: 2006-07-14 Initial Package Version: 2.17 Upstream Status: In CVS Origin: http://sourceware.org/ml/binutils/2006-05/msg00245.html Description: This patch adds tls support to binutils when building on the hppa architecture. diff -Naur binutils-2.17.orig/bfd/elf32-hppa.c binutils-2.17/bfd/elf32-hppa.c --- binutils-2.17.orig/bfd/elf32-hppa.c 2006-03-16 07:20:15.000000000 -0500 +++ binutils-2.17/bfd/elf32-hppa.c 2006-07-14 13:20:41.000000000 -0400 @@ -7,7 +7,9 @@ Department of Computer Science University of Utah Largely rewritten by Alan Modra - + Naming cleanup by Carlos O'Donell + TLS support written by Randolph Chung + This file is part of BFD, the Binary File Descriptor library. This program is free software; you can redistribute it and/or modify @@ -230,6 +232,10 @@ #endif } *dyn_relocs; + enum { + GOT_UNKNOWN = 0, GOT_NORMAL = 1, GOT_TLS_GD = 2, GOT_TLS_LDM = 4, GOT_TLS_IE = 8 + } tls_type; + /* Set if this symbol is used by a plabel reloc. */ unsigned int plabel:1; }; @@ -292,6 +298,12 @@ /* Small local sym to section mapping cache. */ struct sym_sec_cache sym_sec; + + /* Data for LDM relocations. */ + union { + bfd_signed_vma refcount; + bfd_vma offset; + } tls_ldm_got; }; /* Various hash macros and functions. */ @@ -308,6 +320,19 @@ ((struct elf32_hppa_stub_hash_entry *) \ bfd_hash_lookup ((table), (string), (create), (copy))) +#define hppa_elf_local_got_tls_type(abfd) \ + ((char *)(elf_local_got_offsets (abfd) + (elf_tdata (abfd)->symtab_hdr.sh_info * 2))) + +#define hh_name(hh) \ + (hh ? hh->eh.root.root.string : "") + +#define eh_name(eh) \ + (eh ? eh->root.root.string : "") + +static int +elf32_hppa_optimized_tls_reloc (struct bfd_link_info *info, + int r_type, int is_local); + /* Assorted hash table functions. */ /* Initialize an entry in the stub hash table. */ @@ -375,6 +400,7 @@ hh->hsh_cache = NULL; hh->dyn_relocs = NULL; hh->plabel = 0; + hh->tls_type = GOT_UNKNOWN; } return entry; @@ -424,6 +450,7 @@ htab->has_22bit_branch = 0; htab->need_plt_stub = 0; htab->sym_sec.abfd = NULL; + htab->tls_ldm_got.refcount = 0; return &htab->etab.root; } @@ -453,13 +480,13 @@ if (hh) { - len = 8 + 1 + strlen (hh->eh.root.root.string) + 1 + 8 + 1; + len = 8 + 1 + strlen (hh_name (hh)) + 1 + 8 + 1; stub_name = bfd_malloc (len); if (stub_name != NULL) { sprintf (stub_name, "%08x_%s+%x", input_section->id & 0xffffffff, - hh->eh.root.root.string, + hh_name (hh), (int) rela->r_addend & 0xffffffff); } } @@ -1063,7 +1090,16 @@ eh_dir->needs_plt |= eh_ind->needs_plt; } else - _bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind); + { + if (eh_ind->root.type == bfd_link_hash_indirect + && eh_dir->got.refcount <= 0) + { + hh_dir->tls_type = hh_ind->tls_type; + hh_ind->tls_type = GOT_UNKNOWN; + } + + _bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind); + } } /* Look through the relocs for a section during the first phase, and @@ -1084,6 +1120,7 @@ struct elf32_hppa_link_hash_table *htab; asection *sreloc; asection *stubreloc; + int tls_type = GOT_UNKNOWN, old_tls_type = GOT_UNKNOWN; if (info->relocatable) return TRUE; @@ -1121,6 +1158,7 @@ } r_type = ELF32_R_TYPE (rela->r_info); + r_type = elf32_hppa_optimized_tls_reloc (info, r_type, hh == NULL); switch (r_type) { @@ -1243,6 +1281,20 @@ return FALSE; continue; + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + need_entry = NEED_GOT; + break; + + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: + if (info->shared) + info->flags |= DF_STATIC_TLS; + need_entry = NEED_GOT; + break; + default: continue; } @@ -1250,6 +1302,25 @@ /* Now carry out our orders. */ if (need_entry & NEED_GOT) { + switch (r_type) + { + default: + tls_type = GOT_NORMAL; + break; + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + tls_type |= GOT_TLS_GD; + break; + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + tls_type |= GOT_TLS_LDM; + break; + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: + tls_type |= GOT_TLS_IE; + break; + } + /* Allocate space for a GOT entry, as well as a dynamic relocation for this entry. */ if (htab->sgot == NULL) @@ -1260,31 +1331,56 @@ return FALSE; } - if (hh != NULL) - { - hh->eh.got.refcount += 1; - } + if (r_type == R_PARISC_TLS_LDM21L + || r_type == R_PARISC_TLS_LDM14R) + hppa_link_hash_table (info)->tls_ldm_got.refcount += 1; else { - bfd_signed_vma *local_got_refcounts; - /* This is a global offset table entry for a local symbol. */ - local_got_refcounts = elf_local_got_refcounts (abfd); - if (local_got_refcounts == NULL) - { - bfd_size_type size; + if (hh != NULL) + { + hh->eh.got.refcount += 1; + old_tls_type = hh->tls_type; + } + else + { + bfd_signed_vma *local_got_refcounts; + + /* This is a global offset table entry for a local symbol. */ + local_got_refcounts = elf_local_got_refcounts (abfd); + if (local_got_refcounts == NULL) + { + bfd_size_type size; + + /* Allocate space for local got offsets and local + plt offsets. Done this way to save polluting + elf_obj_tdata with another target specific + pointer. */ + size = symtab_hdr->sh_info; + size *= 2 * sizeof (bfd_signed_vma); + /* Add in space to store the local GOT TLS types. */ + size += symtab_hdr->sh_info; + local_got_refcounts = bfd_zalloc (abfd, size); + if (local_got_refcounts == NULL) + return FALSE; + elf_local_got_refcounts (abfd) = local_got_refcounts; + memset (hppa_elf_local_got_tls_type (abfd), + GOT_UNKNOWN, symtab_hdr->sh_info); + } + local_got_refcounts[r_symndx] += 1; + + old_tls_type = hppa_elf_local_got_tls_type (abfd) [r_symndx]; + } + + tls_type |= old_tls_type; + + if (old_tls_type != tls_type) + { + if (hh != NULL) + hh->tls_type = tls_type; + else + hppa_elf_local_got_tls_type (abfd) [r_symndx] = tls_type; + } - /* Allocate space for local got offsets and local - plt offsets. Done this way to save polluting - elf_obj_tdata with another target specific - pointer. */ - size = symtab_hdr->sh_info; - size *= 2 * sizeof (bfd_signed_vma); - local_got_refcounts = bfd_zalloc (abfd, size); - if (local_got_refcounts == NULL) - return FALSE; - elf_local_got_refcounts (abfd) = local_got_refcounts; - } - local_got_refcounts[r_symndx] += 1; } } @@ -1325,6 +1421,8 @@ plt offsets. */ size = symtab_hdr->sh_info; size *= 2 * sizeof (bfd_signed_vma); + /* Add in space to store the local GOT TLS types. */ + size += symtab_hdr->sh_info; local_got_refcounts = bfd_zalloc (abfd, size); if (local_got_refcounts == NULL) return FALSE; @@ -1578,11 +1676,17 @@ } r_type = ELF32_R_TYPE (rela->r_info); + r_type = elf32_hppa_optimized_tls_reloc (info, r_type, eh != NULL); + switch (r_type) { case R_PARISC_DLTIND14F: case R_PARISC_DLTIND14R: case R_PARISC_DLTIND21L: + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: if (eh != NULL) { if (eh->got.refcount > 0) @@ -1595,6 +1699,11 @@ } break; + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + hppa_link_hash_table (info)->tls_ldm_got.refcount -= 1; + break; + case R_PARISC_PCREL12F: case R_PARISC_PCREL17C: case R_PARISC_PCREL17F: @@ -1982,12 +2091,22 @@ sec = htab->sgot; eh->got.offset = sec->size; sec->size += GOT_ENTRY_SIZE; + /* R_PARISC_TLS_GD* needs two GOT entries */ + if ((hh->tls_type & (GOT_TLS_GD|GOT_TLS_IE)) + == (GOT_TLS_GD|GOT_TLS_IE)) + sec->size += GOT_ENTRY_SIZE * 2; + else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD) + sec->size += GOT_ENTRY_SIZE; if (htab->etab.dynamic_sections_created && (info->shared || (eh->dynindx != -1 && !eh->forced_local))) { htab->srelgot->size += sizeof (Elf32_External_Rela); + if ((hh->tls_type & (GOT_TLS_GD|GOT_TLS_IE)) == (GOT_TLS_GD|GOT_TLS_IE)) + htab->srelgot->size += 2 * sizeof (Elf32_External_Rela); + else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD) + htab->srelgot->size += sizeof (Elf32_External_Rela); } } else @@ -2181,6 +2300,7 @@ bfd_size_type locsymcount; Elf_Internal_Shdr *symtab_hdr; asection *srel; + char *local_tls_type; if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) continue; @@ -2219,6 +2339,7 @@ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; locsymcount = symtab_hdr->sh_info; end_local_got = local_got + locsymcount; + local_tls_type = hppa_elf_local_got_tls_type (ibfd); sec = htab->sgot; srel = htab->srelgot; for (; local_got < end_local_got; ++local_got) @@ -2227,11 +2348,23 @@ { *local_got = sec->size; sec->size += GOT_ENTRY_SIZE; + if ((*local_tls_type & (GOT_TLS_GD|GOT_TLS_IE)) == (GOT_TLS_GD|GOT_TLS_IE)) + sec->size += 2 * GOT_ENTRY_SIZE; + else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD) + sec->size += GOT_ENTRY_SIZE; if (info->shared) - srel->size += sizeof (Elf32_External_Rela); + { + srel->size += sizeof (Elf32_External_Rela); + if ((*local_tls_type & (GOT_TLS_GD|GOT_TLS_IE)) == (GOT_TLS_GD|GOT_TLS_IE)) + srel->size += 2 * sizeof (Elf32_External_Rela); + else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD) + srel->size += sizeof (Elf32_External_Rela); + } } else *local_got = (bfd_vma) -1; + + ++local_tls_type; } local_plt = end_local_got; @@ -2260,6 +2393,17 @@ } } } + + if (htab->tls_ldm_got.refcount > 0) + { + /* Allocate 2 got entries and 1 dynamic reloc for + R_PARISC_TLS_DTPMOD32 relocs. */ + htab->tls_ldm_got.offset = htab->sgot->size; + htab->sgot->size += (GOT_ENTRY_SIZE * 2); + htab->srelgot->size += sizeof (Elf32_External_Rela); + } + else + htab->tls_ldm_got.offset = -1; /* Do all the .plt entries without relocs first. The dynamic linker uses the last .plt reloc to find the end of the .plt (and hence @@ -2670,7 +2814,7 @@ struct elf32_hppa_stub_hash_entry *hsh; sec = hh->eh.root.u.def.section; - stub_name = hh->eh.root.root.string; + stub_name = hh_name (hh); hsh = hppa_stub_hash_lookup (&htab->bstab, stub_name, FALSE, FALSE); @@ -3104,6 +3248,35 @@ return TRUE; } +/* Return the base vma address which should be subtracted from the real + address when resolving a dtpoff relocation. + This is PT_TLS segment p_vaddr. */ + +static bfd_vma +dtpoff_base (struct bfd_link_info *info) +{ + /* If tls_sec is NULL, we should have signalled an error already. */ + if (elf_hash_table (info)->tls_sec == NULL) + return 0; + return elf_hash_table (info)->tls_sec->vma; +} + +/* Return the relocation value for R_PARISC_TLS_TPOFF*.. */ + +static bfd_vma +tpoff (struct bfd_link_info *info, bfd_vma address) +{ + struct elf_link_hash_table *htab = elf_hash_table (info); + + /* If tls_sec is NULL, we should have signalled an error already. */ + if (htab->tls_sec == NULL) + return 0; + /* hppa TLS ABI is variant I and static TLS block start just after + tcbhead structure which has 2 pointer fields. */ + return (address - htab->tls_sec->vma + + align_power ((bfd_vma) 8, htab->tls_sec->alignment_power)); +} + /* Perform a final link. */ static bfd_boolean @@ -3315,6 +3488,12 @@ case R_PARISC_DLTIND21L: case R_PARISC_DLTIND14R: case R_PARISC_DLTIND14F: + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: value -= elf_gp (input_section->output_section->owner); break; @@ -3342,6 +3521,9 @@ case R_PARISC_DLTIND14F: case R_PARISC_SEGBASE: case R_PARISC_SEGREL32: + case R_PARISC_TLS_DTPMOD32: + case R_PARISC_TLS_DTPOFF32: + case R_PARISC_TLS_TPREL32: r_field = e_fsel; break; @@ -3353,6 +3535,11 @@ case R_PARISC_DIR21L: case R_PARISC_DPREL21L: + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDO21L: + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_LE21L: r_field = e_lrsel; break; @@ -3366,6 +3553,11 @@ case R_PARISC_DIR17R: case R_PARISC_DIR14R: case R_PARISC_DPREL14R: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_LDM14R: + case R_PARISC_TLS_LDO14R: + case R_PARISC_TLS_IE14R: + case R_PARISC_TLS_LE14R: r_field = e_rrsel; break; @@ -3460,6 +3652,14 @@ return bfd_reloc_ok; } +static int +elf32_hppa_optimized_tls_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED, + int r_type, int is_local ATTRIBUTE_UNUSED) +{ + /* For now we don't support linker optimizations. */ + return r_type; +} + /* Relocate an HPPA ELF section. */ static bfd_boolean @@ -3546,7 +3746,7 @@ && eh->type == STT_PARISC_MILLI) { if (! info->callbacks->undefined_symbol - (info, eh->root.root.string, input_bfd, + (info, eh_name (eh), input_bfd, input_section, rela->r_offset, FALSE)) return FALSE; warned_undef = TRUE; @@ -3875,6 +4075,198 @@ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); } break; + + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + { + bfd_vma off; + + off = htab->tls_ldm_got.offset; + if (off & 1) + off &= ~1; + else + { + Elf_Internal_Rela outrel; + bfd_byte *loc; + + outrel.r_offset = (off + + htab->sgot->output_section->vma + + htab->sgot->output_offset); + outrel.r_addend = 0; + outrel.r_info = ELF32_R_INFO (0, R_PARISC_TLS_DTPMOD32); + loc = htab->srelgot->contents; + loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rela); + + bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); + htab->tls_ldm_got.offset |= 1; + } + + /* Add the base of the GOT to the relocation value. */ + relocation = (off + + htab->sgot->output_offset + + htab->sgot->output_section->vma); + + break; + } + + case R_PARISC_TLS_LDO21L: + case R_PARISC_TLS_LDO14R: + relocation -= dtpoff_base (info); + break; + + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: + { + bfd_vma off; + int indx; + char tls_type; + + indx = 0; + if (hh != NULL) + { + bfd_boolean dyn; + dyn = htab->etab.dynamic_sections_created; + + if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, &hh->eh) + && (!info->shared + || !SYMBOL_REFERENCES_LOCAL (info, &hh->eh))) + { + indx = hh->eh.dynindx; + } + off = hh->eh.got.offset; + tls_type = hh->tls_type; + } + else + { + off = local_got_offsets[r_symndx]; + tls_type = hppa_elf_local_got_tls_type (input_bfd)[r_symndx]; + } + + if (tls_type == GOT_UNKNOWN) + abort(); + + if ((off & 1) != 0) + off &= ~1; + else + { + bfd_boolean need_relocs = FALSE; + Elf_Internal_Rela outrel; + bfd_byte *loc = NULL; + int cur_off = off; + + /* The GOT entries have not been initialized yet. Do it + now, and emit any relocations. If both an IE GOT and a + GD GOT are necessary, we emit the GD first. */ + + if ((info->shared || indx != 0) + && (hh == NULL + || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT + || hh->eh.root.type != bfd_link_hash_undefweak)) + { + need_relocs = TRUE; + loc = htab->srelgot->contents; + /* FIXME (CAO): Should this be reloc_count++ ? */ + loc += htab->srelgot->reloc_count * sizeof (Elf32_External_Rela); + } + + if (tls_type & GOT_TLS_GD) + { + if (need_relocs) + { + outrel.r_offset = (cur_off + + htab->sgot->output_section->vma + + htab->sgot->output_offset); + outrel.r_info = ELF32_R_INFO (indx,R_PARISC_TLS_DTPMOD32); + outrel.r_addend = 0; + bfd_put_32 (output_bfd, 0, htab->sgot->contents + cur_off); + bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); + htab->srelgot->reloc_count++; + loc += sizeof (Elf32_External_Rela); + + if (indx == 0) + bfd_put_32 (output_bfd, relocation - dtpoff_base (info), + htab->sgot->contents + cur_off + 4); + else + { + bfd_put_32 (output_bfd, 0, + htab->sgot->contents + cur_off + 4); + outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_DTPOFF32); + outrel.r_offset += 4; + bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc); + htab->srelgot->reloc_count++; + loc += sizeof (Elf32_External_Rela); + } + } + else + { + /* If we are not emitting relocations for a + general dynamic reference, then we must be in a + static link or an executable link with the + symbol binding locally. Mark it as belonging + to module 1, the executable. */ + bfd_put_32 (output_bfd, 1, + htab->sgot->contents + cur_off); + bfd_put_32 (output_bfd, relocation - dtpoff_base (info), + htab->sgot->contents + cur_off + 4); + } + + + cur_off += 8; + } + + if (tls_type & GOT_TLS_IE) + { + if (need_relocs) + { + outrel.r_offset = (cur_off + + htab->sgot->output_section->vma + + htab->sgot->output_offset); + outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_TPREL32); + + if (indx == 0) + outrel.r_addend = relocation - dtpoff_base (info); + else + outrel.r_addend = 0; + + bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); + htab->srelgot->reloc_count++; + loc += sizeof (Elf32_External_Rela); + } + else + bfd_put_32 (output_bfd, tpoff (info, relocation), + htab->sgot->contents + cur_off); + + cur_off += 4; + } + + if (hh != NULL) + hh->eh.got.offset |= 1; + else + local_got_offsets[r_symndx] |= 1; + } + + if ((tls_type & GOT_TLS_GD) + && r_type != R_PARISC_TLS_GD21L + && r_type != R_PARISC_TLS_GD14R) + off += 2 * GOT_ENTRY_SIZE; + + /* Add the base of the GOT to the relocation value. */ + relocation = (off + + htab->sgot->output_offset + + htab->sgot->output_section->vma); + + break; + } + + case R_PARISC_TLS_LE21L: + case R_PARISC_TLS_LE14R: + { + relocation = tpoff (info, relocation); + break; + } + break; default: break; @@ -3887,7 +4279,7 @@ continue; if (hh != NULL) - sym_name = hh->eh.root.root.string; + sym_name = hh_name (hh); else { sym_name = bfd_elf_string_from_elf_section (input_bfd, @@ -3996,7 +4388,9 @@ } } - if (eh->got.offset != (bfd_vma) -1) + if (eh->got.offset != (bfd_vma) -1 + && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_GD) == 0 + && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_IE) == 0) { /* This symbol has an entry in the global offset table. Set it up. */ @@ -4057,8 +4451,8 @@ } /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ - if (eh->root.root.string[0] == '_' - && (strcmp (eh->root.root.string, "_DYNAMIC") == 0 + if (eh_name (eh)[0] == '_' + && (strcmp (eh_name (eh), "_DYNAMIC") == 0 || eh == htab->etab.hgot)) { sym->st_shndx = SHN_ABS; @@ -4073,6 +4467,17 @@ static enum elf_reloc_type_class elf32_hppa_reloc_type_class (const Elf_Internal_Rela *rela) { + /* Handle TLS relocs first; we don't want them to be marked + relative by the "if (ELF32_R_SYM (rela->r_info) == 0)" + check below. */ + switch ((int) ELF32_R_TYPE (rela->r_info)) + { + case R_PARISC_TLS_DTPMOD32: + case R_PARISC_TLS_DTPOFF32: + case R_PARISC_TLS_TPREL32: + return reloc_class_normal; + } + if (ELF32_R_SYM (rela->r_info) == 0) return reloc_class_relative; diff -Naur binutils-2.17.orig/bfd/elf-hppa.h binutils-2.17/bfd/elf-hppa.h --- binutils-2.17.orig/bfd/elf-hppa.h 2005-08-24 22:32:09.000000000 -0400 +++ binutils-2.17/bfd/elf-hppa.h 2006-07-14 13:20:41.000000000 -0400 @@ -387,7 +387,7 @@ bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, { R_PARISC_TPREL32, 0, 0, 32, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_PARISC_TPREL32", FALSE, 0, 0, FALSE }, - { R_PARISC_TPREL21L, 0, 0, 21, FALSE, 0, complain_overflow_dont, + { R_PARISC_TPREL21L, 0, 0, 21, FALSE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_TPREL21L", FALSE, 0, 0, FALSE }, { R_PARISC_UNIMPLEMENTED, 0, 0, 0, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, @@ -395,7 +395,7 @@ bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, { R_PARISC_UNIMPLEMENTED, 0, 0, 0, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, - { R_PARISC_TPREL14R, 0, 0, 14, FALSE, 0, complain_overflow_dont, + { R_PARISC_TPREL14R, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_TPREL14R", FALSE, 0, 0, FALSE }, { R_PARISC_UNIMPLEMENTED, 0, 0, 0, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, @@ -413,7 +413,7 @@ { R_PARISC_UNIMPLEMENTED, 0, 0, 0, FALSE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, { R_PARISC_LTOFF_TP14R, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_PARISC_UNIMPLEMENTED", FALSE, 0, 0, FALSE }, + bfd_elf_generic_reloc, "R_PARISC_LTOFF_TP14R", FALSE, 0, 0, FALSE }, { R_PARISC_LTOFF_TP14F, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_PARISC_LTOFF_TP14F", FALSE, 0, 0, FALSE }, /* 168 */ @@ -557,6 +557,31 @@ bfd_elf_generic_reloc, "R_PARISC_GNU_VTENTRY", FALSE, 0, 0, FALSE }, { R_PARISC_GNU_VTINHERIT, 0, 0, 0, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_PARISC_GNU_VTINHERIT", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_GD21L, 0, 0, 21, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_GD21L", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_GD14R, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_GD14R", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_GDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont, + bfd_elf_generic_reloc, "R_PARISC_TLS_GDCALL", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_LDM21L, 0, 0, 21, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_LDM21L", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_LDM14R, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_LDM14R", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_LDMCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont, + bfd_elf_generic_reloc, "R_PARISC_TLS_LDMCALL", FALSE, 0, 0, FALSE }, + /* 240 */ + { R_PARISC_TLS_LDO21L, 0, 0, 21, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_LDO21L", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_LDO14R, 0, 0, 14, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_LDO14R", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_DTPMOD32, 0, 0, 32, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_DTPMOD32", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_DTPMOD64, 0, 0, 64, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_DTPMOD64", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_DTPOFF32, 0, 0, 32, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_DTPOFF32", FALSE, 0, 0, FALSE }, + { R_PARISC_TLS_DTPOFF64, 0, 0, 64, FALSE, 0, complain_overflow_bitfield, + bfd_elf_generic_reloc, "R_PARISC_TLS_DTPOFF64", FALSE, 0, 0, FALSE }, }; #define OFFSET_14R_FROM_21L 4 @@ -837,6 +862,82 @@ return R_PARISC_NONE; } break; + + case R_PARISC_TLS_GD21L: + switch (field) + { + case e_ltsel: + case e_lrsel: + final_type = R_PARISC_TLS_GD21L; + break; + case e_rtsel: + case e_rrsel: + final_type = R_PARISC_TLS_GD14R; + break; + default: + return R_PARISC_NONE; + } + break; + + case R_PARISC_TLS_LDM21L: + switch (field) + { + case e_ltsel: + case e_lrsel: + final_type = R_PARISC_TLS_LDM21L; + break; + case e_rtsel: + case e_rrsel: + final_type = R_PARISC_TLS_LDM14R; + break; + default: + return R_PARISC_NONE; + } + break; + + case R_PARISC_TLS_LDO21L: + switch (field) + { + case e_lrsel: + final_type = R_PARISC_TLS_LDO21L; + break; + case e_rrsel: + final_type = R_PARISC_TLS_LDO14R; + break; + default: + return R_PARISC_NONE; + } + break; + + case R_PARISC_TLS_IE21L: + switch (field) + { + case e_ltsel: + case e_lrsel: + final_type = R_PARISC_TLS_IE21L; + break; + case e_rtsel: + case e_rrsel: + final_type = R_PARISC_TLS_IE14R; + break; + default: + return R_PARISC_NONE; + } + break; + + case R_PARISC_TLS_LE21L: + switch (field) + { + case e_lrsel: + final_type = R_PARISC_TLS_LE21L; + break; + case e_rrsel: + final_type = R_PARISC_TLS_LE14R; + break; + default: + return R_PARISC_NONE; + } + break; case R_PARISC_GNU_VTENTRY: case R_PARISC_GNU_VTINHERIT: diff -Naur binutils-2.17.orig/gas/config/tc-hppa.c binutils-2.17/gas/config/tc-hppa.c --- binutils-2.17.orig/gas/config/tc-hppa.c 2005-11-24 21:08:22.000000000 -0500 +++ binutils-2.17/gas/config/tc-hppa.c 2006-07-14 13:20:41.000000000 -0400 @@ -1215,6 +1215,26 @@ ((exp).X_op == O_subtract \ && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0) +#define is_tls_gdidx(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_gdidx$") == 0) + +#define is_tls_ldidx(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ldidx$") == 0) + +#define is_tls_dtpoff(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_dtpoff$") == 0) + +#define is_tls_ieoff(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ieoff$") == 0) + +#define is_tls_leoff(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_leoff$") == 0) + /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll always be able to reduce the expression to a constant, so we don't need real complex handling yet. */ @@ -1380,7 +1400,12 @@ it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */ if (new_fix->fx_subsy && (strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$") == 0 - || strcmp (S_GET_NAME (new_fix->fx_subsy), "$PIC_pcrel$0") == 0)) + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$PIC_pcrel$0") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_gdidx$") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_ldidx$") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_dtpoff$") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_ieoff$") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_leoff$") == 0)) new_fix->fx_subsy = NULL; } @@ -1412,6 +1437,18 @@ rel_type = R_HPPA_GOTOFF; else if (is_PC_relative (*exp)) rel_type = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (*exp)) + rel_type = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (*exp)) + rel_type = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (*exp)) + rel_type = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (*exp)) + rel_type = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (*exp)) + rel_type = R_PARISC_TLS_LE21L; +#endif else if (is_complex (*exp)) rel_type = R_HPPA_COMPLEX; else @@ -2974,6 +3011,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 11; @@ -3093,6 +3142,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -3123,6 +3184,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -3147,6 +3220,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -3171,6 +3256,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 21; @@ -3196,6 +3293,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -3222,6 +3331,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -3248,6 +3369,18 @@ the_insn.reloc = R_HPPA_GOTOFF; else if (is_PC_relative (the_insn.exp)) the_insn.reloc = R_HPPA_PCREL_CALL; +#ifdef OBJ_ELF + else if (is_tls_gdidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_GD21L; + else if (is_tls_ldidx (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDM21L; + else if (is_tls_dtpoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LDO21L; + else if (is_tls_ieoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_IE21L; + else if (is_tls_leoff (the_insn.exp)) + the_insn.reloc = R_PARISC_TLS_LE21L; +#endif else the_insn.reloc = R_HPPA; the_insn.format = 14; @@ -4658,6 +4791,25 @@ return; } +#ifdef OBJ_ELF + switch (fixP->fx_r_type) + { + case R_PARISC_TLS_GD21L: + case R_PARISC_TLS_GD14R: + case R_PARISC_TLS_LDM21L: + case R_PARISC_TLS_LDM14R: + case R_PARISC_TLS_LE21L: + case R_PARISC_TLS_LE14R: + case R_PARISC_TLS_IE21L: + case R_PARISC_TLS_IE14R: + if (fixP->fx_addsy) + S_SET_THREAD_LOCAL (fixP->fx_addsy); + break; + default: + break; + } +#endif + /* Insert the relocation. */ bfd_put_32 (stdoutput, insn, fixpos); } diff -Naur binutils-2.17.orig/gas/config/tc-hppa.c.orig binutils-2.17/gas/config/tc-hppa.c.orig --- binutils-2.17.orig/gas/config/tc-hppa.c.orig 1969-12-31 19:00:00.000000000 -0500 +++ binutils-2.17/gas/config/tc-hppa.c.orig 2005-11-24 21:08:22.000000000 -0500 @@ -0,0 +1,8728 @@ +/* tc-hppa.c -- Assemble for the PA + Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, + 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + + This file is part of GAS, the GNU Assembler. + + GAS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + GAS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GAS; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + +/* HP PA-RISC support was contributed by the Center for Software Science + at the University of Utah. */ + +#include + +#include "as.h" +#include "safe-ctype.h" +#include "subsegs.h" + +#include "bfd/libhppa.h" + +/* Be careful, this file includes data *declarations*. */ +#include "opcode/hppa.h" + +#if defined (OBJ_ELF) && defined (OBJ_SOM) +error only one of OBJ_ELF and OBJ_SOM can be defined +#endif + +/* If we are using ELF, then we probably can support dwarf2 debug + records. Furthermore, if we are supporting dwarf2 debug records, + then we want to use the assembler support for compact line numbers. */ +#ifdef OBJ_ELF +#include "dwarf2dbg.h" + +/* A "convenient" place to put object file dependencies which do + not need to be seen outside of tc-hppa.c. */ + +/* Object file formats specify relocation types. */ +typedef enum elf_hppa_reloc_type reloc_type; + +/* Object file formats specify BFD symbol types. */ +typedef elf_symbol_type obj_symbol_type; +#define symbol_arg_reloc_info(sym)\ + (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc) + +#if TARGET_ARCH_SIZE == 64 +/* How to generate a relocation. */ +#define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type +#define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type +#else +#define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type +#define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type +#endif + +/* ELF objects can have versions, but apparently do not have anywhere + to store a copyright string. */ +#define obj_version obj_elf_version +#define obj_copyright obj_elf_version + +#define UNWIND_SECTION_NAME ".PARISC.unwind" +#endif /* OBJ_ELF */ + +#ifdef OBJ_SOM +/* Names of various debugging spaces/subspaces. */ +#define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$" +#define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$" +#define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$" +#define UNWIND_SECTION_NAME "$UNWIND$" + +/* Object file formats specify relocation types. */ +typedef int reloc_type; + +/* SOM objects can have both a version string and a copyright string. */ +#define obj_version obj_som_version +#define obj_copyright obj_som_copyright + +/* How to generate a relocation. */ +#define hppa_gen_reloc_type hppa_som_gen_reloc_type + +/* Object file formats specify BFD symbol types. */ +typedef som_symbol_type obj_symbol_type; +#define symbol_arg_reloc_info(sym)\ + (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc) + +/* This apparently isn't in older versions of hpux reloc.h. */ +#ifndef R_DLT_REL +#define R_DLT_REL 0x78 +#endif + +#ifndef R_N0SEL +#define R_N0SEL 0xd8 +#endif + +#ifndef R_N1SEL +#define R_N1SEL 0xd9 +#endif +#endif /* OBJ_SOM */ + +#if TARGET_ARCH_SIZE == 64 +#define DEFAULT_LEVEL 25 +#else +#define DEFAULT_LEVEL 10 +#endif + +/* Various structures and types used internally in tc-hppa.c. */ + +/* Unwind table and descriptor. FIXME: Sync this with GDB version. */ + +struct unwind_desc + { + unsigned int cannot_unwind:1; + unsigned int millicode:1; + unsigned int millicode_save_rest:1; + unsigned int region_desc:2; + unsigned int save_sr:2; + unsigned int entry_fr:4; + unsigned int entry_gr:5; + unsigned int args_stored:1; + unsigned int call_fr:5; + unsigned int call_gr:5; + unsigned int save_sp:1; + unsigned int save_rp:1; + unsigned int save_rp_in_frame:1; + unsigned int extn_ptr_defined:1; + unsigned int cleanup_defined:1; + + unsigned int hpe_interrupt_marker:1; + unsigned int hpux_interrupt_marker:1; + unsigned int reserved:3; + unsigned int frame_size:27; + }; + +/* We can't rely on compilers placing bitfields in any particular + place, so use these macros when dumping unwind descriptors to + object files. */ +#define UNWIND_LOW32(U) \ + (((U)->cannot_unwind << 31) \ + | ((U)->millicode << 30) \ + | ((U)->millicode_save_rest << 29) \ + | ((U)->region_desc << 27) \ + | ((U)->save_sr << 25) \ + | ((U)->entry_fr << 21) \ + | ((U)->entry_gr << 16) \ + | ((U)->args_stored << 15) \ + | ((U)->call_fr << 10) \ + | ((U)->call_gr << 5) \ + | ((U)->save_sp << 4) \ + | ((U)->save_rp << 3) \ + | ((U)->save_rp_in_frame << 2) \ + | ((U)->extn_ptr_defined << 1) \ + | ((U)->cleanup_defined << 0)) + +#define UNWIND_HIGH32(U) \ + (((U)->hpe_interrupt_marker << 31) \ + | ((U)->hpux_interrupt_marker << 30) \ + | ((U)->frame_size << 0)) + +struct unwind_table + { + /* Starting and ending offsets of the region described by + descriptor. */ + unsigned int start_offset; + unsigned int end_offset; + struct unwind_desc descriptor; + }; + +/* This structure is used by the .callinfo, .enter, .leave pseudo-ops to + control the entry and exit code they generate. It is also used in + creation of the correct stack unwind descriptors. + + NOTE: GAS does not support .enter and .leave for the generation of + prologues and epilogues. FIXME. + + The fields in structure roughly correspond to the arguments available on the + .callinfo pseudo-op. */ + +struct call_info + { + /* The unwind descriptor being built. */ + struct unwind_table ci_unwind; + + /* Name of this function. */ + symbolS *start_symbol; + + /* (temporary) symbol used to mark the end of this function. */ + symbolS *end_symbol; + + /* Next entry in the chain. */ + struct call_info *ci_next; + }; + +/* Operand formats for FP instructions. Note not all FP instructions + allow all four formats to be used (for example fmpysub only allows + SGL and DBL). */ +typedef enum + { + SGL, DBL, ILLEGAL_FMT, QUAD, W, UW, DW, UDW, QW, UQW + } +fp_operand_format; + +/* This fully describes the symbol types which may be attached to + an EXPORT or IMPORT directive. Only SOM uses this formation + (ELF has no need for it). */ +typedef enum + { + SYMBOL_TYPE_UNKNOWN, + SYMBOL_TYPE_ABSOLUTE, + SYMBOL_TYPE_CODE, + SYMBOL_TYPE_DATA, + SYMBOL_TYPE_ENTRY, + SYMBOL_TYPE_MILLICODE, + SYMBOL_TYPE_PLABEL, + SYMBOL_TYPE_PRI_PROG, + SYMBOL_TYPE_SEC_PROG, + } +pa_symbol_type; + +/* This structure contains information needed to assemble + individual instructions. */ +struct pa_it + { + /* Holds the opcode after parsing by pa_ip. */ + unsigned long opcode; + + /* Holds an expression associated with the current instruction. */ + expressionS exp; + + /* Does this instruction use PC-relative addressing. */ + int pcrel; + + /* Floating point formats for operand1 and operand2. */ + fp_operand_format fpof1; + fp_operand_format fpof2; + + /* Whether or not we saw a truncation request on an fcnv insn. */ + int trunc; + + /* Holds the field selector for this instruction + (for example L%, LR%, etc). */ + long field_selector; + + /* Holds any argument relocation bits associated with this + instruction. (instruction should be some sort of call). */ + unsigned int arg_reloc; + + /* The format specification for this instruction. */ + int format; + + /* The relocation (if any) associated with this instruction. */ + reloc_type reloc; + }; + +/* PA-89 floating point registers are arranged like this: + + +--------------+--------------+ + | 0 or 16L | 16 or 16R | + +--------------+--------------+ + | 1 or 17L | 17 or 17R | + +--------------+--------------+ + | | | + + . . . + . . . + . . . + + | | | + +--------------+--------------+ + | 14 or 30L | 30 or 30R | + +--------------+--------------+ + | 15 or 31L | 31 or 31R | + +--------------+--------------+ */ + +/* Additional information needed to build argument relocation stubs. */ +struct call_desc + { + /* The argument relocation specification. */ + unsigned int arg_reloc; + + /* Number of arguments. */ + unsigned int arg_count; + }; + +#ifdef OBJ_SOM +/* This structure defines an entry in the subspace dictionary + chain. */ + +struct subspace_dictionary_chain + { + /* Nonzero if this space has been defined by the user code. */ + unsigned int ssd_defined; + + /* Name of this subspace. */ + char *ssd_name; + + /* GAS segment and subsegment associated with this subspace. */ + asection *ssd_seg; + int ssd_subseg; + + /* Next space in the subspace dictionary chain. */ + struct subspace_dictionary_chain *ssd_next; + }; + +typedef struct subspace_dictionary_chain ssd_chain_struct; + +/* This structure defines an entry in the subspace dictionary + chain. */ + +struct space_dictionary_chain + { + /* Nonzero if this space has been defined by the user code or + as a default space. */ + unsigned int sd_defined; + + /* Nonzero if this spaces has been defined by the user code. */ + unsigned int sd_user_defined; + + /* The space number (or index). */ + unsigned int sd_spnum; + + /* The name of this subspace. */ + char *sd_name; + + /* GAS segment to which this subspace corresponds. */ + asection *sd_seg; + + /* Current subsegment number being used. */ + int sd_last_subseg; + + /* The chain of subspaces contained within this space. */ + ssd_chain_struct *sd_subspaces; + + /* The next entry in the space dictionary chain. */ + struct space_dictionary_chain *sd_next; + }; + +typedef struct space_dictionary_chain sd_chain_struct; + +/* This structure defines attributes of the default subspace + dictionary entries. */ + +struct default_subspace_dict + { + /* Name of the subspace. */ + char *name; + + /* FIXME. Is this still needed? */ + char defined; + + /* Nonzero if this subspace is loadable. */ + char loadable; + + /* Nonzero if this subspace contains only code. */ + char code_only; + + /* Nonzero if this is a comdat subspace. */ + char comdat; + + /* Nonzero if this is a common subspace. */ + char common; + + /* Nonzero if this is a common subspace which allows symbols + to be multiply defined. */ + char dup_common; + + /* Nonzero if this subspace should be zero filled. */ + char zero; + + /* Sort key for this subspace. */ + unsigned char sort; + + /* Access control bits for this subspace. Can represent RWX access + as well as privilege level changes for gateways. */ + int access; + + /* Index of containing space. */ + int space_index; + + /* Alignment (in bytes) of this subspace. */ + int alignment; + + /* Quadrant within space where this subspace should be loaded. */ + int quadrant; + + /* An index into the default spaces array. */ + int def_space_index; + + /* Subsegment associated with this subspace. */ + subsegT subsegment; + }; + +/* This structure defines attributes of the default space + dictionary entries. */ + +struct default_space_dict + { + /* Name of the space. */ + char *name; + + /* Space number. It is possible to identify spaces within + assembly code numerically! */ + int spnum; + + /* Nonzero if this space is loadable. */ + char loadable; + + /* Nonzero if this space is "defined". FIXME is still needed */ + char defined; + + /* Nonzero if this space can not be shared. */ + char private; + + /* Sort key for this space. */ + unsigned char sort; + + /* Segment associated with this space. */ + asection *segment; + }; +#endif + +/* Structure for previous label tracking. Needed so that alignments, + callinfo declarations, etc can be easily attached to a particular + label. */ +typedef struct label_symbol_struct + { + struct symbol *lss_label; +#ifdef OBJ_SOM + sd_chain_struct *lss_space; +#endif +#ifdef OBJ_ELF + segT lss_segment; +#endif + struct label_symbol_struct *lss_next; + } +label_symbol_struct; + +/* Extra information needed to perform fixups (relocations) on the PA. */ +struct hppa_fix_struct + { + /* The field selector. */ + enum hppa_reloc_field_selector_type_alt fx_r_field; + + /* Type of fixup. */ + int fx_r_type; + + /* Format of fixup. */ + int fx_r_format; + + /* Argument relocation bits. */ + unsigned int fx_arg_reloc; + + /* The segment this fixup appears in. */ + segT segment; + }; + +/* Structure to hold information about predefined registers. */ + +struct pd_reg + { + char *name; + int value; + }; + +/* This structure defines the mapping from a FP condition string + to a condition number which can be recorded in an instruction. */ +struct fp_cond_map + { + char *string; + int cond; + }; + +/* This structure defines a mapping from a field selector + string to a field selector type. */ +struct selector_entry + { + char *prefix; + int field_selector; + }; + +/* Prototypes for functions local to tc-hppa.c. */ + +#ifdef OBJ_SOM +static void pa_check_current_space_and_subspace PARAMS ((void)); +#endif + +#if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) +static void pa_text PARAMS ((int)); +static void pa_data PARAMS ((int)); +static void pa_comm PARAMS ((int)); +#endif +static fp_operand_format pa_parse_fp_format PARAMS ((char **s)); +static void pa_cons PARAMS ((int)); +static void pa_float_cons PARAMS ((int)); +static void pa_fill PARAMS ((int)); +static void pa_lcomm PARAMS ((int)); +static void pa_lsym PARAMS ((int)); +static void pa_stringer PARAMS ((int)); +static void pa_version PARAMS ((int)); +static int pa_parse_fp_cmp_cond PARAMS ((char **)); +static int get_expression PARAMS ((char *)); +static int pa_get_absolute_expression PARAMS ((struct pa_it *, char **)); +static int evaluate_absolute PARAMS ((struct pa_it *)); +static unsigned int pa_build_arg_reloc PARAMS ((char *)); +static unsigned int pa_align_arg_reloc PARAMS ((unsigned int, unsigned int)); +static int pa_parse_nullif PARAMS ((char **)); +static int pa_parse_nonneg_cmpsub_cmpltr PARAMS ((char **)); +static int pa_parse_neg_cmpsub_cmpltr PARAMS ((char **)); +static int pa_parse_neg_add_cmpltr PARAMS ((char **)); +static int pa_parse_nonneg_add_cmpltr PARAMS ((char **)); +static int pa_parse_cmpb_64_cmpltr PARAMS ((char **)); +static int pa_parse_cmpib_64_cmpltr PARAMS ((char **)); +static int pa_parse_addb_64_cmpltr PARAMS ((char **)); +static void pa_block PARAMS ((int)); +static void pa_brtab PARAMS ((int)); +static void pa_try PARAMS ((int)); +static void pa_call PARAMS ((int)); +static void pa_call_args PARAMS ((struct call_desc *)); +static void pa_callinfo PARAMS ((int)); +static void pa_copyright PARAMS ((int)); +static void pa_end PARAMS ((int)); +static void pa_enter PARAMS ((int)); +static void pa_entry PARAMS ((int)); +static void pa_equ PARAMS ((int)); +static void pa_exit PARAMS ((int)); +static void pa_export PARAMS ((int)); +static void pa_type_args PARAMS ((symbolS *, int)); +static void pa_import PARAMS ((int)); +static void pa_label PARAMS ((int)); +static void pa_leave PARAMS ((int)); +static void pa_level PARAMS ((int)); +static void pa_origin PARAMS ((int)); +static void pa_proc PARAMS ((int)); +static void pa_procend PARAMS ((int)); +static void pa_param PARAMS ((int)); +static void pa_undefine_label PARAMS ((void)); +static int need_pa11_opcode PARAMS ((void)); +static int pa_parse_number PARAMS ((char **, int)); +static label_symbol_struct *pa_get_label PARAMS ((void)); +#ifdef OBJ_SOM +static int exact_log2 PARAMS ((int)); +static void pa_compiler PARAMS ((int)); +static void pa_align PARAMS ((int)); +static void pa_space PARAMS ((int)); +static void pa_spnum PARAMS ((int)); +static void pa_subspace PARAMS ((int)); +static sd_chain_struct *create_new_space PARAMS ((char *, int, int, + int, int, int, + asection *, int)); +static ssd_chain_struct *create_new_subspace PARAMS ((sd_chain_struct *, + char *, int, int, + int, int, int, int, + int, int, int, int, + int, asection *)); +static ssd_chain_struct *update_subspace PARAMS ((sd_chain_struct *, + char *, int, int, int, + int, int, int, int, + int, int, int, int, + asection *)); +static sd_chain_struct *is_defined_space PARAMS ((char *)); +static ssd_chain_struct *is_defined_subspace PARAMS ((char *)); +static sd_chain_struct *pa_segment_to_space PARAMS ((asection *)); +static ssd_chain_struct *pa_subsegment_to_subspace PARAMS ((asection *, + subsegT)); +static sd_chain_struct *pa_find_space_by_number PARAMS ((int)); +static unsigned int pa_subspace_start PARAMS ((sd_chain_struct *, int)); +static sd_chain_struct *pa_parse_space_stmt PARAMS ((char *, int)); +static void pa_spaces_begin PARAMS ((void)); +#endif +static void pa_ip PARAMS ((char *)); +static void fix_new_hppa PARAMS ((fragS *, int, int, symbolS *, + offsetT, expressionS *, int, + bfd_reloc_code_real_type, + enum hppa_reloc_field_selector_type_alt, + int, unsigned int, int)); +static int is_end_of_statement PARAMS ((void)); +static int reg_name_search PARAMS ((char *)); +static int pa_chk_field_selector PARAMS ((char **)); +static int is_same_frag PARAMS ((fragS *, fragS *)); +static void process_exit PARAMS ((void)); +static unsigned int pa_stringer_aux PARAMS ((char *)); +static fp_operand_format pa_parse_fp_cnv_format PARAMS ((char **s)); +static int pa_parse_ftest_gfx_completer PARAMS ((char **)); + +#ifdef OBJ_ELF +static void hppa_elf_mark_end_of_function PARAMS ((void)); +static void pa_build_unwind_subspace PARAMS ((struct call_info *)); +static void pa_vtable_entry PARAMS ((int)); +static void pa_vtable_inherit PARAMS ((int)); +#endif + +/* File and globally scoped variable declarations. */ + +#ifdef OBJ_SOM +/* Root and final entry in the space chain. */ +static sd_chain_struct *space_dict_root; +static sd_chain_struct *space_dict_last; + +/* The current space and subspace. */ +static sd_chain_struct *current_space; +static ssd_chain_struct *current_subspace; +#endif + +/* Root of the call_info chain. */ +static struct call_info *call_info_root; + +/* The last call_info (for functions) structure + seen so it can be associated with fixups and + function labels. */ +static struct call_info *last_call_info; + +/* The last call description (for actual calls). */ +static struct call_desc last_call_desc; + +/* handle of the OPCODE hash table */ +static struct hash_control *op_hash = NULL; + +/* These characters can be suffixes of opcode names and they may be + followed by meaningful whitespace. We don't include `,' and `!' + as they never appear followed by meaningful whitespace. */ +const char hppa_symbol_chars[] = "*?=<>"; + +/* Table of pseudo ops for the PA. FIXME -- how many of these + are now redundant with the overall GAS and the object file + dependent tables? */ +const pseudo_typeS md_pseudo_table[] = +{ + /* align pseudo-ops on the PA specify the actual alignment requested, + not the log2 of the requested alignment. */ +#ifdef OBJ_SOM + {"align", pa_align, 8}, +#endif +#ifdef OBJ_ELF + {"align", s_align_bytes, 8}, +#endif + {"begin_brtab", pa_brtab, 1}, + {"begin_try", pa_try, 1}, + {"block", pa_block, 1}, + {"blockz", pa_block, 0}, + {"byte", pa_cons, 1}, + {"call", pa_call, 0}, + {"callinfo", pa_callinfo, 0}, +#if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)) + {"code", obj_elf_text, 0}, +#else + {"code", pa_text, 0}, + {"comm", pa_comm, 0}, +#endif +#ifdef OBJ_SOM + {"compiler", pa_compiler, 0}, +#endif + {"copyright", pa_copyright, 0}, +#if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) + {"data", pa_data, 0}, +#endif + {"double", pa_float_cons, 'd'}, + {"dword", pa_cons, 8}, + {"end", pa_end, 0}, + {"end_brtab", pa_brtab, 0}, +#if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) + {"end_try", pa_try, 0}, +#endif + {"enter", pa_enter, 0}, + {"entry", pa_entry, 0}, + {"equ", pa_equ, 0}, + {"exit", pa_exit, 0}, + {"export", pa_export, 0}, + {"fill", pa_fill, 0}, + {"float", pa_float_cons, 'f'}, + {"half", pa_cons, 2}, + {"import", pa_import, 0}, + {"int", pa_cons, 4}, + {"label", pa_label, 0}, + {"lcomm", pa_lcomm, 0}, + {"leave", pa_leave, 0}, + {"level", pa_level, 0}, + {"long", pa_cons, 4}, + {"lsym", pa_lsym, 0}, +#ifdef OBJ_SOM + {"nsubspa", pa_subspace, 1}, +#endif + {"octa", pa_cons, 16}, + {"org", pa_origin, 0}, + {"origin", pa_origin, 0}, + {"param", pa_param, 0}, + {"proc", pa_proc, 0}, + {"procend", pa_procend, 0}, + {"quad", pa_cons, 8}, + {"reg", pa_equ, 1}, + {"short", pa_cons, 2}, + {"single", pa_float_cons, 'f'}, +#ifdef OBJ_SOM + {"space", pa_space, 0}, + {"spnum", pa_spnum, 0}, +#endif + {"string", pa_stringer, 0}, + {"stringz", pa_stringer, 1}, +#ifdef OBJ_SOM + {"subspa", pa_subspace, 0}, +#endif +#if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) + {"text", pa_text, 0}, +#endif + {"version", pa_version, 0}, +#ifdef OBJ_ELF + {"vtable_entry", pa_vtable_entry, 0}, + {"vtable_inherit", pa_vtable_inherit, 0}, +#endif + {"word", pa_cons, 4}, + {NULL, 0, 0} +}; + +/* This array holds the chars that only start a comment at the beginning of + a line. If the line seems to have the form '# 123 filename' + .line and .file directives will appear in the pre-processed output. + + Note that input_file.c hand checks for '#' at the beginning of the + first line of the input file. This is because the compiler outputs + #NO_APP at the beginning of its output. + + Also note that C style comments will always work. */ +const char line_comment_chars[] = "#"; + +/* This array holds the chars that always start a comment. If the + pre-processor is disabled, these aren't very useful. */ +const char comment_chars[] = ";"; + +/* This array holds the characters which act as line separators. */ +const char line_separator_chars[] = "!"; + +/* Chars that can be used to separate mant from exp in floating point nums. */ +const char EXP_CHARS[] = "eE"; + +/* Chars that mean this number is a floating point constant. + As in 0f12.456 or 0d1.2345e12. + + Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be + changed in read.c. Ideally it shouldn't hae to know abou it at + all, but nothing is ideal around here. */ +const char FLT_CHARS[] = "rRsSfFdDxXpP"; + +static struct pa_it the_insn; + +/* Points to the end of an expression just parsed by get_expression + and friends. FIXME. This shouldn't be handled with a file-global + variable. */ +static char *expr_end; + +/* Nonzero if a .callinfo appeared within the current procedure. */ +static int callinfo_found; + +/* Nonzero if the assembler is currently within a .entry/.exit pair. */ +static int within_entry_exit; + +/* Nonzero if the assembler is currently within a procedure definition. */ +static int within_procedure; + +/* Handle on structure which keep track of the last symbol + seen in each subspace. */ +static label_symbol_struct *label_symbols_rootp = NULL; + +/* Holds the last field selector. */ +static int hppa_field_selector; + +/* Nonzero when strict matching is enabled. Zero otherwise. + + Each opcode in the table has a flag which indicates whether or + not strict matching should be enabled for that instruction. + + Mainly, strict causes errors to be ignored when a match failure + occurs. However, it also affects the parsing of register fields + by pa_parse_number. */ +static int strict; + +/* pa_parse_number returns values in `pa_number'. Mostly + pa_parse_number is used to return a register number, with floating + point registers being numbered from FP_REG_BASE upwards. + The bit specified with FP_REG_RSEL is set if the floating point + register has a `r' suffix. */ +#define FP_REG_BASE 64 +#define FP_REG_RSEL 128 +static int pa_number; + +#ifdef OBJ_SOM +/* A dummy bfd symbol so that all relocations have symbols of some kind. */ +static symbolS *dummy_symbol; +#endif + +/* Nonzero if errors are to be printed. */ +static int print_errors = 1; + +/* List of registers that are pre-defined: + + Each general register has one predefined name of the form + %r which has the value . + + Space and control registers are handled in a similar manner, + but use %sr and %cr as their predefined names. + + Likewise for the floating point registers, but of the form + %fr. Floating point registers have additional predefined + names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which + again have the value . + + Many registers also have synonyms: + + %r26 - %r23 have %arg0 - %arg3 as synonyms + %r28 - %r29 have %ret0 - %ret1 as synonyms + %fr4 - %fr7 have %farg0 - %farg3 as synonyms + %r30 has %sp as a synonym + %r27 has %dp as a synonym + %r2 has %rp as a synonym + + Almost every control register has a synonym; they are not listed + here for brevity. + + The table is sorted. Suitable for searching by a binary search. */ + +static const struct pd_reg pre_defined_registers[] = +{ + {"%arg0", 26}, + {"%arg1", 25}, + {"%arg2", 24}, + {"%arg3", 23}, + {"%cr0", 0}, + {"%cr10", 10}, + {"%cr11", 11}, + {"%cr12", 12}, + {"%cr13", 13}, + {"%cr14", 14}, + {"%cr15", 15}, + {"%cr16", 16}, + {"%cr17", 17}, + {"%cr18", 18}, + {"%cr19", 19}, + {"%cr20", 20}, + {"%cr21", 21}, + {"%cr22", 22}, + {"%cr23", 23}, + {"%cr24", 24}, + {"%cr25", 25}, + {"%cr26", 26}, + {"%cr27", 27}, + {"%cr28", 28}, + {"%cr29", 29}, + {"%cr30", 30}, + {"%cr31", 31}, + {"%cr8", 8}, + {"%cr9", 9}, + {"%dp", 27}, + {"%eiem", 15}, + {"%eirr", 23}, + {"%farg0", 4 + FP_REG_BASE}, + {"%farg1", 5 + FP_REG_BASE}, + {"%farg2", 6 + FP_REG_BASE}, + {"%farg3", 7 + FP_REG_BASE}, + {"%fr0", 0 + FP_REG_BASE}, + {"%fr0l", 0 + FP_REG_BASE}, + {"%fr0r", 0 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr1", 1 + FP_REG_BASE}, + {"%fr10", 10 + FP_REG_BASE}, + {"%fr10l", 10 + FP_REG_BASE}, + {"%fr10r", 10 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr11", 11 + FP_REG_BASE}, + {"%fr11l", 11 + FP_REG_BASE}, + {"%fr11r", 11 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr12", 12 + FP_REG_BASE}, + {"%fr12l", 12 + FP_REG_BASE}, + {"%fr12r", 12 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr13", 13 + FP_REG_BASE}, + {"%fr13l", 13 + FP_REG_BASE}, + {"%fr13r", 13 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr14", 14 + FP_REG_BASE}, + {"%fr14l", 14 + FP_REG_BASE}, + {"%fr14r", 14 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr15", 15 + FP_REG_BASE}, + {"%fr15l", 15 + FP_REG_BASE}, + {"%fr15r", 15 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr16", 16 + FP_REG_BASE}, + {"%fr16l", 16 + FP_REG_BASE}, + {"%fr16r", 16 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr17", 17 + FP_REG_BASE}, + {"%fr17l", 17 + FP_REG_BASE}, + {"%fr17r", 17 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr18", 18 + FP_REG_BASE}, + {"%fr18l", 18 + FP_REG_BASE}, + {"%fr18r", 18 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr19", 19 + FP_REG_BASE}, + {"%fr19l", 19 + FP_REG_BASE}, + {"%fr19r", 19 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr1l", 1 + FP_REG_BASE}, + {"%fr1r", 1 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr2", 2 + FP_REG_BASE}, + {"%fr20", 20 + FP_REG_BASE}, + {"%fr20l", 20 + FP_REG_BASE}, + {"%fr20r", 20 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr21", 21 + FP_REG_BASE}, + {"%fr21l", 21 + FP_REG_BASE}, + {"%fr21r", 21 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr22", 22 + FP_REG_BASE}, + {"%fr22l", 22 + FP_REG_BASE}, + {"%fr22r", 22 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr23", 23 + FP_REG_BASE}, + {"%fr23l", 23 + FP_REG_BASE}, + {"%fr23r", 23 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr24", 24 + FP_REG_BASE}, + {"%fr24l", 24 + FP_REG_BASE}, + {"%fr24r", 24 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr25", 25 + FP_REG_BASE}, + {"%fr25l", 25 + FP_REG_BASE}, + {"%fr25r", 25 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr26", 26 + FP_REG_BASE}, + {"%fr26l", 26 + FP_REG_BASE}, + {"%fr26r", 26 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr27", 27 + FP_REG_BASE}, + {"%fr27l", 27 + FP_REG_BASE}, + {"%fr27r", 27 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr28", 28 + FP_REG_BASE}, + {"%fr28l", 28 + FP_REG_BASE}, + {"%fr28r", 28 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr29", 29 + FP_REG_BASE}, + {"%fr29l", 29 + FP_REG_BASE}, + {"%fr29r", 29 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr2l", 2 + FP_REG_BASE}, + {"%fr2r", 2 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr3", 3 + FP_REG_BASE}, + {"%fr30", 30 + FP_REG_BASE}, + {"%fr30l", 30 + FP_REG_BASE}, + {"%fr30r", 30 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr31", 31 + FP_REG_BASE}, + {"%fr31l", 31 + FP_REG_BASE}, + {"%fr31r", 31 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr3l", 3 + FP_REG_BASE}, + {"%fr3r", 3 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr4", 4 + FP_REG_BASE}, + {"%fr4l", 4 + FP_REG_BASE}, + {"%fr4r", 4 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr5", 5 + FP_REG_BASE}, + {"%fr5l", 5 + FP_REG_BASE}, + {"%fr5r", 5 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr6", 6 + FP_REG_BASE}, + {"%fr6l", 6 + FP_REG_BASE}, + {"%fr6r", 6 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr7", 7 + FP_REG_BASE}, + {"%fr7l", 7 + FP_REG_BASE}, + {"%fr7r", 7 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr8", 8 + FP_REG_BASE}, + {"%fr8l", 8 + FP_REG_BASE}, + {"%fr8r", 8 + FP_REG_BASE + FP_REG_RSEL}, + {"%fr9", 9 + FP_REG_BASE}, + {"%fr9l", 9 + FP_REG_BASE}, + {"%fr9r", 9 + FP_REG_BASE + FP_REG_RSEL}, + {"%fret", 4}, + {"%hta", 25}, + {"%iir", 19}, + {"%ior", 21}, + {"%ipsw", 22}, + {"%isr", 20}, + {"%itmr", 16}, + {"%iva", 14}, +#if TARGET_ARCH_SIZE == 64 + {"%mrp", 2}, +#else + {"%mrp", 31}, +#endif + {"%pcoq", 18}, + {"%pcsq", 17}, + {"%pidr1", 8}, + {"%pidr2", 9}, + {"%pidr3", 12}, + {"%pidr4", 13}, + {"%ppda", 24}, + {"%r0", 0}, + {"%r1", 1}, + {"%r10", 10}, + {"%r11", 11}, + {"%r12", 12}, + {"%r13", 13}, + {"%r14", 14}, + {"%r15", 15}, + {"%r16", 16}, + {"%r17", 17}, + {"%r18", 18}, + {"%r19", 19}, + {"%r2", 2}, + {"%r20", 20}, + {"%r21", 21}, + {"%r22", 22}, + {"%r23", 23}, + {"%r24", 24}, + {"%r25", 25}, + {"%r26", 26}, + {"%r27", 27}, + {"%r28", 28}, + {"%r29", 29}, + {"%r3", 3}, + {"%r30", 30}, + {"%r31", 31}, + {"%r4", 4}, + {"%r5", 5}, + {"%r6", 6}, + {"%r7", 7}, + {"%r8", 8}, + {"%r9", 9}, + {"%rctr", 0}, + {"%ret0", 28}, + {"%ret1", 29}, + {"%rp", 2}, + {"%sar", 11}, + {"%sp", 30}, + {"%sr0", 0}, + {"%sr1", 1}, + {"%sr2", 2}, + {"%sr3", 3}, + {"%sr4", 4}, + {"%sr5", 5}, + {"%sr6", 6}, + {"%sr7", 7}, + {"%t1", 22}, + {"%t2", 21}, + {"%t3", 20}, + {"%t4", 19}, + {"%tf1", 11}, + {"%tf2", 10}, + {"%tf3", 9}, + {"%tf4", 8}, + {"%tr0", 24}, + {"%tr1", 25}, + {"%tr2", 26}, + {"%tr3", 27}, + {"%tr4", 28}, + {"%tr5", 29}, + {"%tr6", 30}, + {"%tr7", 31} +}; + +/* This table is sorted by order of the length of the string. This is + so we check for <> before we check for <. If we had a <> and checked + for < first, we would get a false match. */ +static const struct fp_cond_map fp_cond_map[] = +{ + {"false?", 0}, + {"false", 1}, + {"true?", 30}, + {"true", 31}, + {"!<=>", 3}, + {"!?>=", 8}, + {"!?<=", 16}, + {"!<>", 7}, + {"!>=", 11}, + {"!?>", 12}, + {"?<=", 14}, + {"!<=", 19}, + {"!?<", 20}, + {"?>=", 22}, + {"!?=", 24}, + {"!=t", 27}, + {"<=>", 29}, + {"=t", 5}, + {"?=", 6}, + {"?<", 10}, + {"<=", 13}, + {"!>", 15}, + {"?>", 18}, + {">=", 21}, + {"!<", 23}, + {"<>", 25}, + {"!=", 26}, + {"!?", 28}, + {"?", 2}, + {"=", 4}, + {"<", 9}, + {">", 17} +}; + +static const struct selector_entry selector_table[] = +{ + {"f", e_fsel}, + {"l", e_lsel}, + {"ld", e_ldsel}, + {"lp", e_lpsel}, + {"lr", e_lrsel}, + {"ls", e_lssel}, + {"lt", e_ltsel}, + {"ltp", e_ltpsel}, + {"n", e_nsel}, + {"nl", e_nlsel}, + {"nlr", e_nlrsel}, + {"p", e_psel}, + {"r", e_rsel}, + {"rd", e_rdsel}, + {"rp", e_rpsel}, + {"rr", e_rrsel}, + {"rs", e_rssel}, + {"rt", e_rtsel}, + {"rtp", e_rtpsel}, + {"t", e_tsel}, +}; + +#ifdef OBJ_SOM +/* default space and subspace dictionaries */ + +#define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME +#define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME + +/* pre-defined subsegments (subspaces) for the HPPA. */ +#define SUBSEG_CODE 0 +#define SUBSEG_LIT 1 +#define SUBSEG_MILLI 2 +#define SUBSEG_DATA 0 +#define SUBSEG_BSS 2 +#define SUBSEG_UNWIND 3 +#define SUBSEG_GDB_STRINGS 0 +#define SUBSEG_GDB_SYMBOLS 1 + +static struct default_subspace_dict pa_def_subspaces[] = +{ + {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE}, + {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA}, + {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT}, + {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI}, + {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS}, + {NULL, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0} +}; + +static struct default_space_dict pa_def_spaces[] = +{ + {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL}, + {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL}, + {NULL, 0, 0, 0, 0, 0, ASEC_NULL} +}; + +/* Misc local definitions used by the assembler. */ + +/* These macros are used to maintain spaces/subspaces. */ +#define SPACE_DEFINED(space_chain) (space_chain)->sd_defined +#define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined +#define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum +#define SPACE_NAME(space_chain) (space_chain)->sd_name + +#define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined +#define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name +#endif + +/* Return nonzero if the string pointed to by S potentially represents + a right or left half of a FP register */ +#define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r') +#define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l') + +/* Insert FIELD into OPCODE starting at bit START. Continue pa_ip + main loop after insertion. */ + +#define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \ + { \ + ((OPCODE) |= (FIELD) << (START)); \ + continue; \ + } + +/* Simple range checking for FIELD against HIGH and LOW bounds. + IGNORE is used to suppress the error message. */ + +#define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \ + { \ + if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \ + { \ + if (! IGNORE) \ + as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \ + (int) (FIELD));\ + break; \ + } \ + } + +/* Variant of CHECK_FIELD for use in md_apply_fix and other places where + the current file and line number are not valid. */ + +#define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \ + { \ + if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \ + { \ + as_bad_where ((FILENAME), (LINE), \ + _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \ + (int) (FIELD));\ + break; \ + } \ + } + +/* Simple alignment checking for FIELD against ALIGN (a power of two). + IGNORE is used to suppress the error message. */ + +#define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \ + { \ + if ((FIELD) & ((ALIGN) - 1)) \ + { \ + if (! IGNORE) \ + as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \ + (int) (FIELD));\ + break; \ + } \ + } + +#define is_DP_relative(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0) + +#define is_PC_relative(exp) \ + ((exp).X_op == O_subtract \ + && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0) + +/* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll + always be able to reduce the expression to a constant, so we don't + need real complex handling yet. */ +#define is_complex(exp) \ + ((exp).X_op != O_constant && (exp).X_op != O_symbol) + +/* Actual functions to implement the PA specific code for the assembler. */ + +/* Called before writing the object file. Make sure entry/exit and + proc/procend pairs match. */ + +void +pa_check_eof () +{ + if (within_entry_exit) + as_fatal (_("Missing .exit\n")); + + if (within_procedure) + as_fatal (_("Missing .procend\n")); +} + +/* Returns a pointer to the label_symbol_struct for the current space. + or NULL if no label_symbol_struct exists for the current space. */ + +static label_symbol_struct * +pa_get_label () +{ + label_symbol_struct *label_chain; + + for (label_chain = label_symbols_rootp; + label_chain; + label_chain = label_chain->lss_next) + { +#ifdef OBJ_SOM + if (current_space == label_chain->lss_space && label_chain->lss_label) + return label_chain; +#endif +#ifdef OBJ_ELF + if (now_seg == label_chain->lss_segment && label_chain->lss_label) + return label_chain; +#endif + } + + return NULL; +} + +/* Defines a label for the current space. If one is already defined, + this function will replace it with the new label. */ + +void +pa_define_label (symbol) + symbolS *symbol; +{ + label_symbol_struct *label_chain = pa_get_label (); + + if (label_chain) + label_chain->lss_label = symbol; + else + { + /* Create a new label entry and add it to the head of the chain. */ + label_chain + = (label_symbol_struct *) xmalloc (sizeof (label_symbol_struct)); + label_chain->lss_label = symbol; +#ifdef OBJ_SOM + label_chain->lss_space = current_space; +#endif +#ifdef OBJ_ELF + label_chain->lss_segment = now_seg; +#endif + label_chain->lss_next = NULL; + + if (label_symbols_rootp) + label_chain->lss_next = label_symbols_rootp; + + label_symbols_rootp = label_chain; + } + +#ifdef OBJ_ELF + dwarf2_emit_label (symbol); +#endif +} + +/* Removes a label definition for the current space. + If there is no label_symbol_struct entry, then no action is taken. */ + +static void +pa_undefine_label () +{ + label_symbol_struct *label_chain; + label_symbol_struct *prev_label_chain = NULL; + + for (label_chain = label_symbols_rootp; + label_chain; + label_chain = label_chain->lss_next) + { + if (1 +#ifdef OBJ_SOM + && current_space == label_chain->lss_space && label_chain->lss_label +#endif +#ifdef OBJ_ELF + && now_seg == label_chain->lss_segment && label_chain->lss_label +#endif + ) + { + /* Remove the label from the chain and free its memory. */ + if (prev_label_chain) + prev_label_chain->lss_next = label_chain->lss_next; + else + label_symbols_rootp = label_chain->lss_next; + + free (label_chain); + break; + } + prev_label_chain = label_chain; + } +} + +/* An HPPA-specific version of fix_new. This is required because the HPPA + code needs to keep track of some extra stuff. Each call to fix_new_hppa + results in the creation of an instance of an hppa_fix_struct. An + hppa_fix_struct stores the extra information along with a pointer to the + original fixS. This is attached to the original fixup via the + tc_fix_data field. */ + +static void +fix_new_hppa (frag, where, size, add_symbol, offset, exp, pcrel, + r_type, r_field, r_format, arg_reloc, unwind_bits) + fragS *frag; + int where; + int size; + symbolS *add_symbol; + offsetT offset; + expressionS *exp; + int pcrel; + bfd_reloc_code_real_type r_type; + enum hppa_reloc_field_selector_type_alt r_field; + int r_format; + unsigned int arg_reloc; + int unwind_bits ATTRIBUTE_UNUSED; +{ + fixS *new_fix; + + struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *) + obstack_alloc (¬es, sizeof (struct hppa_fix_struct)); + + if (exp != NULL) + new_fix = fix_new_exp (frag, where, size, exp, pcrel, r_type); + else + new_fix = fix_new (frag, where, size, add_symbol, offset, pcrel, r_type); + new_fix->tc_fix_data = (void *) hppa_fix; + hppa_fix->fx_r_type = r_type; + hppa_fix->fx_r_field = r_field; + hppa_fix->fx_r_format = r_format; + hppa_fix->fx_arg_reloc = arg_reloc; + hppa_fix->segment = now_seg; +#ifdef OBJ_SOM + if (r_type == R_ENTRY || r_type == R_EXIT) + new_fix->fx_offset = unwind_bits; +#endif + + /* foo-$global$ is used to access non-automatic storage. $global$ + is really just a marker and has served its purpose, so eliminate + it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */ + if (new_fix->fx_subsy + && (strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$") == 0 + || strcmp (S_GET_NAME (new_fix->fx_subsy), "$PIC_pcrel$0") == 0)) + new_fix->fx_subsy = NULL; +} + +/* Parse a .byte, .word, .long expression for the HPPA. Called by + cons via the TC_PARSE_CONS_EXPRESSION macro. */ + +void +parse_cons_expression_hppa (exp) + expressionS *exp; +{ + hppa_field_selector = pa_chk_field_selector (&input_line_pointer); + expression (exp); +} + +/* This fix_new is called by cons via TC_CONS_FIX_NEW. + hppa_field_selector is set by the parse_cons_expression_hppa. */ + +void +cons_fix_new_hppa (frag, where, size, exp) + fragS *frag; + int where; + int size; + expressionS *exp; +{ + unsigned int rel_type; + + /* Get a base relocation type. */ + if (is_DP_relative (*exp)) + rel_type = R_HPPA_GOTOFF; + else if (is_PC_relative (*exp)) + rel_type = R_HPPA_PCREL_CALL; + else if (is_complex (*exp)) + rel_type = R_HPPA_COMPLEX; + else + rel_type = R_HPPA; + + if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel) + { + as_warn (_("Invalid field selector. Assuming F%%.")); + hppa_field_selector = e_fsel; + } + + fix_new_hppa (frag, where, size, + (symbolS *) NULL, (offsetT) 0, exp, 0, rel_type, + hppa_field_selector, size * 8, 0, 0); + + /* Reset field selector to its default state. */ + hppa_field_selector = 0; +} + +/* This function is called once, at assembler startup time. It should + set up all the tables, etc. that the MD part of the assembler will need. */ + +void +md_begin () +{ + const char *retval = NULL; + int lose = 0; + unsigned int i = 0; + + last_call_info = NULL; + call_info_root = NULL; + + /* Set the default machine type. */ + if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, DEFAULT_LEVEL)) + as_warn (_("could not set architecture and machine")); + + /* Folding of text and data segments fails miserably on the PA. + Warn user and disable "-R" option. */ + if (flag_readonly_data_in_text) + { + as_warn (_("-R option not supported on this target.")); + flag_readonly_data_in_text = 0; + } + +#ifdef OBJ_SOM + pa_spaces_begin (); +#endif + + op_hash = hash_new (); + + while (i < NUMOPCODES) + { + const char *name = pa_opcodes[i].name; + retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]); + if (retval != NULL && *retval != '\0') + { + as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval); + lose = 1; + } + do + { + if ((pa_opcodes[i].match & pa_opcodes[i].mask) + != pa_opcodes[i].match) + { + fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"), + pa_opcodes[i].name, pa_opcodes[i].args); + lose = 1; + } + ++i; + } + while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name)); + } + + if (lose) + as_fatal (_("Broken assembler. No assembly attempted.")); + +#ifdef OBJ_SOM + /* SOM will change text_section. To make sure we never put + anything into the old one switch to the new one now. */ + subseg_set (text_section, 0); +#endif + +#ifdef OBJ_SOM + dummy_symbol = symbol_find_or_make ("L$dummy"); + S_SET_SEGMENT (dummy_symbol, text_section); + /* Force the symbol to be converted to a real symbol. */ + (void) symbol_get_bfdsym (dummy_symbol); +#endif +} + +/* Assemble a single instruction storing it into a frag. */ +void +md_assemble (str) + char *str; +{ + char *to; + + /* The had better be something to assemble. */ + assert (str); + + /* If we are within a procedure definition, make sure we've + defined a label for the procedure; handle case where the + label was defined after the .PROC directive. + + Note there's not need to diddle with the segment or fragment + for the label symbol in this case. We have already switched + into the new $CODE$ subspace at this point. */ + if (within_procedure && last_call_info->start_symbol == NULL) + { + label_symbol_struct *label_symbol = pa_get_label (); + + if (label_symbol) + { + if (label_symbol->lss_label) + { + last_call_info->start_symbol = label_symbol->lss_label; + symbol_get_bfdsym (label_symbol->lss_label)->flags + |= BSF_FUNCTION; +#ifdef OBJ_SOM + /* Also handle allocation of a fixup to hold the unwind + information when the label appears after the proc/procend. */ + if (within_entry_exit) + { + char *where; + unsigned int u; + + where = frag_more (0); + u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor); + fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, + NULL, (offsetT) 0, NULL, + 0, R_HPPA_ENTRY, e_fsel, 0, 0, u); + } +#endif + } + else + as_bad (_("Missing function name for .PROC (corrupted label chain)")); + } + else + as_bad (_("Missing function name for .PROC")); + } + + /* Assemble the instruction. Results are saved into "the_insn". */ + pa_ip (str); + + /* Get somewhere to put the assembled instruction. */ + to = frag_more (4); + + /* Output the opcode. */ + md_number_to_chars (to, the_insn.opcode, 4); + + /* If necessary output more stuff. */ + if (the_insn.reloc != R_HPPA_NONE) + fix_new_hppa (frag_now, (to - frag_now->fr_literal), 4, NULL, + (offsetT) 0, &the_insn.exp, the_insn.pcrel, + the_insn.reloc, the_insn.field_selector, + the_insn.format, the_insn.arg_reloc, 0); + +#ifdef OBJ_ELF + dwarf2_emit_insn (4); +#endif +} + +/* Do the real work for assembling a single instruction. Store results + into the global "the_insn" variable. */ + +static void +pa_ip (str) + char *str; +{ + char *error_message = ""; + char *s, c, *argstart, *name, *save_s; + const char *args; + int match = FALSE; + int comma = 0; + int cmpltr, nullif, flag, cond, num; + unsigned long opcode; + struct pa_opcode *insn; + +#ifdef OBJ_SOM + /* We must have a valid space and subspace. */ + pa_check_current_space_and_subspace (); +#endif + + /* Convert everything up to the first whitespace character into lower + case. */ + for (s = str; *s != ' ' && *s != '\t' && *s != '\n' && *s != '\0'; s++) + *s = TOLOWER (*s); + + /* Skip to something interesting. */ + for (s = str; + ISUPPER (*s) || ISLOWER (*s) || (*s >= '0' && *s <= '3'); + ++s) + ; + + switch (*s) + { + + case '\0': + break; + + case ',': + comma = 1; + + /*FALLTHROUGH */ + + case ' ': + *s++ = '\0'; + break; + + default: + as_bad (_("Unknown opcode: `%s'"), str); + return; + } + + /* Look up the opcode in the has table. */ + if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL) + { + as_bad ("Unknown opcode: `%s'", str); + return; + } + + if (comma) + { + *--s = ','; + } + + /* Mark the location where arguments for the instruction start, then + start processing them. */ + argstart = s; + for (;;) + { + /* Do some initialization. */ + opcode = insn->match; + strict = (insn->flags & FLAG_STRICT); + memset (&the_insn, 0, sizeof (the_insn)); + + the_insn.reloc = R_HPPA_NONE; + + if (insn->arch >= pa20 + && bfd_get_mach (stdoutput) < insn->arch) + goto failed; + + /* Build the opcode, checking as we go to make + sure that the operands match. */ + for (args = insn->args;; ++args) + { + /* Absorb white space in instruction. */ + while (*s == ' ' || *s == '\t') + s++; + + switch (*args) + { + + /* End of arguments. */ + case '\0': + if (*s == '\0') + match = TRUE; + break; + + case '+': + if (*s == '+') + { + ++s; + continue; + } + if (*s == '-') + continue; + break; + + /* These must match exactly. */ + case '(': + case ')': + case ',': + case ' ': + if (*s++ == *args) + continue; + break; + + /* Handle a 5 bit register or control register field at 10. */ + case 'b': + case '^': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 31, 0, 0); + INSERT_FIELD_AND_CONTINUE (opcode, num, 21); + + /* Handle %sar or %cr11. No bits get set, we just verify that it + is there. */ + case '!': + /* Skip whitespace before register. */ + while (*s == ' ' || *s == '\t') + s = s + 1; + + if (!strncasecmp (s, "%sar", 4)) + { + s += 4; + continue; + } + else if (!strncasecmp (s, "%cr11", 5)) + { + s += 5; + continue; + } + break; + + /* Handle a 5 bit register field at 15. */ + case 'x': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 31, 0, 0); + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + + /* Handle a 5 bit register field at 31. */ + case 't': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 31, 0, 0); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 5 bit register field at 10 and 15. */ + case 'a': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 16; + INSERT_FIELD_AND_CONTINUE (opcode, num, 21); + + /* Handle a 5 bit field length at 31. */ + case 'T': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 32, 1, 0); + INSERT_FIELD_AND_CONTINUE (opcode, 32 - num, 0); + + /* Handle a 5 bit immediate at 15. */ + case '5': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + /* When in strict mode, we want to just reject this + match instead of giving an out of range error. */ + CHECK_FIELD (num, 15, -16, strict); + num = low_sign_unext (num, 5); + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + + /* Handle a 5 bit immediate at 31. */ + case 'V': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + /* When in strict mode, we want to just reject this + match instead of giving an out of range error. */ + CHECK_FIELD (num, 15, -16, strict); + num = low_sign_unext (num, 5); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle an unsigned 5 bit immediate at 31. */ + case 'r': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 31, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle an unsigned 5 bit immediate at 15. */ + case 'R': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 31, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + + /* Handle an unsigned 10 bit immediate at 15. */ + case 'U': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 1023, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + + /* Handle a 2 bit space identifier at 17. */ + case 's': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 3, 0, 1); + INSERT_FIELD_AND_CONTINUE (opcode, num, 14); + + /* Handle a 3 bit space identifier at 18. */ + case 'S': + if (!pa_parse_number (&s, 0)) + break; + num = pa_number; + CHECK_FIELD (num, 7, 0, 1); + opcode |= re_assemble_3 (num); + continue; + + /* Handle all completers. */ + case 'c': + switch (*++args) + { + + /* Handle a completer for an indexing load or store. */ + case 'X': + case 'x': + { + int uu = 0; + int m = 0; + int i = 0; + while (*s == ',' && i < 2) + { + s++; + if (strncasecmp (s, "sm", 2) == 0) + { + uu = 1; + m = 1; + s++; + i++; + } + else if (strncasecmp (s, "m", 1) == 0) + m = 1; + else if ((strncasecmp (s, "s ", 2) == 0) + || (strncasecmp (s, "s,", 2) == 0)) + uu = 1; + else if (strict) + { + /* This is a match failure. */ + s--; + break; + } + else + as_bad (_("Invalid Indexed Load Completer.")); + s++; + i++; + } + if (i > 2) + as_bad (_("Invalid Indexed Load Completer Syntax.")); + opcode |= m << 5; + INSERT_FIELD_AND_CONTINUE (opcode, uu, 13); + } + + /* Handle a short load/store completer. */ + case 'M': + case 'm': + case 'q': + case 'J': + case 'e': + { + int a = 0; + int m = 0; + if (*s == ',') + { + s++; + if (strncasecmp (s, "ma", 2) == 0) + { + a = 0; + m = 1; + s += 2; + } + else if (strncasecmp (s, "mb", 2) == 0) + { + a = 1; + m = 1; + s += 2; + } + else if (strict) + /* This is a match failure. */ + s--; + else + { + as_bad (_("Invalid Short Load/Store Completer.")); + s += 2; + } + } + /* If we did not get a ma/mb completer, then we do not + consider this a positive match for 'ce'. */ + else if (*args == 'e') + break; + + /* 'J', 'm', 'M' and 'q' are the same, except for where they + encode the before/after field. */ + if (*args == 'm' || *args == 'M') + { + opcode |= m << 5; + INSERT_FIELD_AND_CONTINUE (opcode, a, 13); + } + else if (*args == 'q') + { + opcode |= m << 3; + INSERT_FIELD_AND_CONTINUE (opcode, a, 2); + } + else if (*args == 'J') + { + /* M bit is explicit in the major opcode. */ + INSERT_FIELD_AND_CONTINUE (opcode, a, 2); + } + else if (*args == 'e') + { + /* Stash the ma/mb flag temporarily in the + instruction. We will use (and remove it) + later when handling 'J', 'K', '<' & '>'. */ + opcode |= a; + continue; + } + } + + /* Handle a stbys completer. */ + case 'A': + case 's': + { + int a = 0; + int m = 0; + int i = 0; + while (*s == ',' && i < 2) + { + s++; + if (strncasecmp (s, "m", 1) == 0) + m = 1; + else if ((strncasecmp (s, "b ", 2) == 0) + || (strncasecmp (s, "b,", 2) == 0)) + a = 0; + else if (strncasecmp (s, "e", 1) == 0) + a = 1; + /* In strict mode, this is a match failure. */ + else if (strict) + { + s--; + break; + } + else + as_bad (_("Invalid Store Bytes Short Completer")); + s++; + i++; + } + if (i > 2) + as_bad (_("Invalid Store Bytes Short Completer")); + opcode |= m << 5; + INSERT_FIELD_AND_CONTINUE (opcode, a, 13); + } + + /* Handle load cache hint completer. */ + case 'c': + cmpltr = 0; + if (!strncmp (s, ",sl", 3)) + { + s += 3; + cmpltr = 2; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); + + /* Handle store cache hint completer. */ + case 'C': + cmpltr = 0; + if (!strncmp (s, ",sl", 3)) + { + s += 3; + cmpltr = 2; + } + else if (!strncmp (s, ",bc", 3)) + { + s += 3; + cmpltr = 1; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); + + /* Handle load and clear cache hint completer. */ + case 'd': + cmpltr = 0; + if (!strncmp (s, ",co", 3)) + { + s += 3; + cmpltr = 1; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); + + /* Handle load ordering completer. */ + case 'o': + if (strncmp (s, ",o", 2) != 0) + break; + s += 2; + continue; + + /* Handle a branch gate completer. */ + case 'g': + if (strncasecmp (s, ",gate", 5) != 0) + break; + s += 5; + continue; + + /* Handle a branch link and push completer. */ + case 'p': + if (strncasecmp (s, ",l,push", 7) != 0) + break; + s += 7; + continue; + + /* Handle a branch link completer. */ + case 'l': + if (strncasecmp (s, ",l", 2) != 0) + break; + s += 2; + continue; + + /* Handle a branch pop completer. */ + case 'P': + if (strncasecmp (s, ",pop", 4) != 0) + break; + s += 4; + continue; + + /* Handle a local processor completer. */ + case 'L': + if (strncasecmp (s, ",l", 2) != 0) + break; + s += 2; + continue; + + /* Handle a PROBE read/write completer. */ + case 'w': + flag = 0; + if (!strncasecmp (s, ",w", 2)) + { + flag = 1; + s += 2; + } + else if (!strncasecmp (s, ",r", 2)) + { + flag = 0; + s += 2; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); + + /* Handle MFCTL wide completer. */ + case 'W': + if (strncasecmp (s, ",w", 2) != 0) + break; + s += 2; + continue; + + /* Handle an RFI restore completer. */ + case 'r': + flag = 0; + if (!strncasecmp (s, ",r", 2)) + { + flag = 5; + s += 2; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 5); + + /* Handle a system control completer. */ + case 'Z': + if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M')) + { + flag = 1; + s += 2; + } + else + flag = 0; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 5); + + /* Handle intermediate/final completer for DCOR. */ + case 'i': + flag = 0; + if (!strncasecmp (s, ",i", 2)) + { + flag = 1; + s += 2; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); + + /* Handle zero/sign extension completer. */ + case 'z': + flag = 1; + if (!strncasecmp (s, ",z", 2)) + { + flag = 0; + s += 2; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 10); + + /* Handle add completer. */ + case 'a': + flag = 1; + if (!strncasecmp (s, ",l", 2)) + { + flag = 2; + s += 2; + } + else if (!strncasecmp (s, ",tsv", 4)) + { + flag = 3; + s += 4; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 10); + + /* Handle 64 bit carry for ADD. */ + case 'Y': + flag = 0; + if (!strncasecmp (s, ",dc,tsv", 7) || + !strncasecmp (s, ",tsv,dc", 7)) + { + flag = 1; + s += 7; + } + else if (!strncasecmp (s, ",dc", 3)) + { + flag = 0; + s += 3; + } + else + break; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle 32 bit carry for ADD. */ + case 'y': + flag = 0; + if (!strncasecmp (s, ",c,tsv", 6) || + !strncasecmp (s, ",tsv,c", 6)) + { + flag = 1; + s += 6; + } + else if (!strncasecmp (s, ",c", 2)) + { + flag = 0; + s += 2; + } + else + break; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle trap on signed overflow. */ + case 'v': + flag = 0; + if (!strncasecmp (s, ",tsv", 4)) + { + flag = 1; + s += 4; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle trap on condition and overflow. */ + case 't': + flag = 0; + if (!strncasecmp (s, ",tc,tsv", 7) || + !strncasecmp (s, ",tsv,tc", 7)) + { + flag = 1; + s += 7; + } + else if (!strncasecmp (s, ",tc", 3)) + { + flag = 0; + s += 3; + } + else + break; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle 64 bit borrow for SUB. */ + case 'B': + flag = 0; + if (!strncasecmp (s, ",db,tsv", 7) || + !strncasecmp (s, ",tsv,db", 7)) + { + flag = 1; + s += 7; + } + else if (!strncasecmp (s, ",db", 3)) + { + flag = 0; + s += 3; + } + else + break; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle 32 bit borrow for SUB. */ + case 'b': + flag = 0; + if (!strncasecmp (s, ",b,tsv", 6) || + !strncasecmp (s, ",tsv,b", 6)) + { + flag = 1; + s += 6; + } + else if (!strncasecmp (s, ",b", 2)) + { + flag = 0; + s += 2; + } + else + break; + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle trap condition completer for UADDCM. */ + case 'T': + flag = 0; + if (!strncasecmp (s, ",tc", 3)) + { + flag = 1; + s += 3; + } + + INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); + + /* Handle signed/unsigned at 21. */ + case 'S': + { + int sign = 1; + if (strncasecmp (s, ",s", 2) == 0) + { + sign = 1; + s += 2; + } + else if (strncasecmp (s, ",u", 2) == 0) + { + sign = 0; + s += 2; + } + + INSERT_FIELD_AND_CONTINUE (opcode, sign, 10); + } + + /* Handle left/right combination at 17:18. */ + case 'h': + if (*s++ == ',') + { + int lr = 0; + if (*s == 'r') + lr = 2; + else if (*s == 'l') + lr = 0; + else + as_bad (_("Invalid left/right combination completer")); + + s++; + INSERT_FIELD_AND_CONTINUE (opcode, lr, 13); + } + else + as_bad (_("Invalid left/right combination completer")); + break; + + /* Handle saturation at 24:25. */ + case 'H': + { + int sat = 3; + if (strncasecmp (s, ",ss", 3) == 0) + { + sat = 1; + s += 3; + } + else if (strncasecmp (s, ",us", 3) == 0) + { + sat = 0; + s += 3; + } + + INSERT_FIELD_AND_CONTINUE (opcode, sat, 6); + } + + /* Handle permutation completer. */ + case '*': + if (*s++ == ',') + { + int permloc[4]; + int perm = 0; + int i = 0; + permloc[0] = 13; + permloc[1] = 10; + permloc[2] = 8; + permloc[3] = 6; + for (; i < 4; i++) + { + switch (*s++) + { + case '0': + perm = 0; + break; + case '1': + perm = 1; + break; + case '2': + perm = 2; + break; + case '3': + perm = 3; + break; + default: + as_bad (_("Invalid permutation completer")); + } + opcode |= perm << permloc[i]; + } + continue; + } + else + as_bad (_("Invalid permutation completer")); + break; + + default: + abort (); + } + break; + + /* Handle all conditions. */ + case '?': + { + args++; + switch (*args) + { + /* Handle FP compare conditions. */ + case 'f': + cond = pa_parse_fp_cmp_cond (&s); + INSERT_FIELD_AND_CONTINUE (opcode, cond, 0); + + /* Handle an add condition. */ + case 'A': + case 'a': + cmpltr = 0; + flag = 0; + if (*s == ',') + { + s++; + + /* 64 bit conditions. */ + if (*args == 'A') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + name = s; + while (*s != ',' && *s != ' ' && *s != '\t') + s += 1; + c = *s; + *s = 0x00; + if (strcmp (name, "=") == 0) + cmpltr = 1; + else if (strcmp (name, "<") == 0) + cmpltr = 2; + else if (strcmp (name, "<=") == 0) + cmpltr = 3; + else if (strcasecmp (name, "nuv") == 0) + cmpltr = 4; + else if (strcasecmp (name, "znv") == 0) + cmpltr = 5; + else if (strcasecmp (name, "sv") == 0) + cmpltr = 6; + else if (strcasecmp (name, "od") == 0) + cmpltr = 7; + else if (strcasecmp (name, "tr") == 0) + { + cmpltr = 0; + flag = 1; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 1; + flag = 1; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 2; + flag = 1; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 3; + flag = 1; + } + else if (strcasecmp (name, "uv") == 0) + { + cmpltr = 4; + flag = 1; + } + else if (strcasecmp (name, "vnz") == 0) + { + cmpltr = 5; + flag = 1; + } + else if (strcasecmp (name, "nsv") == 0) + { + cmpltr = 6; + flag = 1; + } + else if (strcasecmp (name, "ev") == 0) + { + cmpltr = 7; + flag = 1; + } + /* ",*" is a valid condition. */ + else if (*args == 'a' || *name) + as_bad (_("Invalid Add Condition: %s"), name); + *s = c; + } + opcode |= cmpltr << 13; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); + + /* Handle non-negated add and branch condition. */ + case 'd': + cmpltr = pa_parse_nonneg_add_cmpltr (&s); + if (cmpltr < 0) + { + as_bad (_("Invalid Add and Branch Condition")); + cmpltr = 0; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle 64 bit wide-mode add and branch condition. */ + case 'W': + cmpltr = pa_parse_addb_64_cmpltr (&s); + if (cmpltr < 0) + { + as_bad (_("Invalid Add and Branch Condition")); + cmpltr = 0; + } + else + { + /* Negated condition requires an opcode change. */ + opcode |= (cmpltr & 8) << 24; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13); + + /* Handle a negated or non-negated add and branch + condition. */ + case '@': + save_s = s; + cmpltr = pa_parse_nonneg_add_cmpltr (&s); + if (cmpltr < 0) + { + s = save_s; + cmpltr = pa_parse_neg_add_cmpltr (&s); + if (cmpltr < 0) + { + as_bad (_("Invalid Compare/Subtract Condition")); + cmpltr = 0; + } + else + { + /* Negated condition requires an opcode change. */ + opcode |= 1 << 27; + } + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle branch on bit conditions. */ + case 'B': + case 'b': + cmpltr = 0; + if (*s == ',') + { + s++; + + if (*args == 'B') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + if (strncmp (s, "<", 1) == 0) + { + cmpltr = 0; + s++; + } + else if (strncmp (s, ">=", 2) == 0) + { + cmpltr = 1; + s += 2; + } + else + as_bad (_("Invalid Bit Branch Condition: %c"), *s); + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 15); + + /* Handle a compare/subtract condition. */ + case 'S': + case 's': + cmpltr = 0; + flag = 0; + if (*s == ',') + { + s++; + + /* 64 bit conditions. */ + if (*args == 'S') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + name = s; + while (*s != ',' && *s != ' ' && *s != '\t') + s += 1; + c = *s; + *s = 0x00; + if (strcmp (name, "=") == 0) + cmpltr = 1; + else if (strcmp (name, "<") == 0) + cmpltr = 2; + else if (strcmp (name, "<=") == 0) + cmpltr = 3; + else if (strcasecmp (name, "<<") == 0) + cmpltr = 4; + else if (strcasecmp (name, "<<=") == 0) + cmpltr = 5; + else if (strcasecmp (name, "sv") == 0) + cmpltr = 6; + else if (strcasecmp (name, "od") == 0) + cmpltr = 7; + else if (strcasecmp (name, "tr") == 0) + { + cmpltr = 0; + flag = 1; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 1; + flag = 1; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 2; + flag = 1; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 3; + flag = 1; + } + else if (strcasecmp (name, ">>=") == 0) + { + cmpltr = 4; + flag = 1; + } + else if (strcasecmp (name, ">>") == 0) + { + cmpltr = 5; + flag = 1; + } + else if (strcasecmp (name, "nsv") == 0) + { + cmpltr = 6; + flag = 1; + } + else if (strcasecmp (name, "ev") == 0) + { + cmpltr = 7; + flag = 1; + } + /* ",*" is a valid condition. */ + else if (*args != 'S' || *name) + as_bad (_("Invalid Compare/Subtract Condition: %s"), + name); + *s = c; + } + opcode |= cmpltr << 13; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); + + /* Handle a non-negated compare condition. */ + case 't': + cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s); + if (cmpltr < 0) + { + as_bad (_("Invalid Compare/Subtract Condition")); + cmpltr = 0; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle a 32 bit compare and branch condition. */ + case 'n': + save_s = s; + cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s); + if (cmpltr < 0) + { + s = save_s; + cmpltr = pa_parse_neg_cmpsub_cmpltr (&s); + if (cmpltr < 0) + { + as_bad (_("Invalid Compare and Branch Condition")); + cmpltr = 0; + } + else + { + /* Negated condition requires an opcode change. */ + opcode |= 1 << 27; + } + } + + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle a 64 bit compare and branch condition. */ + case 'N': + cmpltr = pa_parse_cmpb_64_cmpltr (&s); + if (cmpltr >= 0) + { + /* Negated condition requires an opcode change. */ + opcode |= (cmpltr & 8) << 26; + } + else + /* Not a 64 bit cond. Give 32 bit a chance. */ + break; + + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13); + + /* Handle a 64 bit cmpib condition. */ + case 'Q': + cmpltr = pa_parse_cmpib_64_cmpltr (&s); + if (cmpltr < 0) + /* Not a 64 bit cond. Give 32 bit a chance. */ + break; + + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle a logical instruction condition. */ + case 'L': + case 'l': + cmpltr = 0; + flag = 0; + if (*s == ',') + { + s++; + + /* 64 bit conditions. */ + if (*args == 'L') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + name = s; + while (*s != ',' && *s != ' ' && *s != '\t') + s += 1; + c = *s; + *s = 0x00; + + if (strcmp (name, "=") == 0) + cmpltr = 1; + else if (strcmp (name, "<") == 0) + cmpltr = 2; + else if (strcmp (name, "<=") == 0) + cmpltr = 3; + else if (strcasecmp (name, "od") == 0) + cmpltr = 7; + else if (strcasecmp (name, "tr") == 0) + { + cmpltr = 0; + flag = 1; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 1; + flag = 1; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 2; + flag = 1; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 3; + flag = 1; + } + else if (strcasecmp (name, "ev") == 0) + { + cmpltr = 7; + flag = 1; + } + /* ",*" is a valid condition. */ + else if (*args != 'L' || *name) + as_bad (_("Invalid Logical Instruction Condition.")); + *s = c; + } + opcode |= cmpltr << 13; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); + + /* Handle a shift/extract/deposit condition. */ + case 'X': + case 'x': + case 'y': + cmpltr = 0; + if (*s == ',') + { + save_s = s++; + + /* 64 bit conditions. */ + if (*args == 'X') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + name = s; + while (*s != ',' && *s != ' ' && *s != '\t') + s += 1; + c = *s; + *s = 0x00; + if (strcmp (name, "=") == 0) + cmpltr = 1; + else if (strcmp (name, "<") == 0) + cmpltr = 2; + else if (strcasecmp (name, "od") == 0) + cmpltr = 3; + else if (strcasecmp (name, "tr") == 0) + cmpltr = 4; + else if (strcmp (name, "<>") == 0) + cmpltr = 5; + else if (strcmp (name, ">=") == 0) + cmpltr = 6; + else if (strcasecmp (name, "ev") == 0) + cmpltr = 7; + /* Handle movb,n. Put things back the way they were. + This includes moving s back to where it started. */ + else if (strcasecmp (name, "n") == 0 && *args == 'y') + { + *s = c; + s = save_s; + continue; + } + /* ",*" is a valid condition. */ + else if (*args != 'X' || *name) + as_bad (_("Invalid Shift/Extract/Deposit Condition.")); + *s = c; + } + INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); + + /* Handle a unit instruction condition. */ + case 'U': + case 'u': + cmpltr = 0; + flag = 0; + if (*s == ',') + { + s++; + + /* 64 bit conditions. */ + if (*args == 'U') + { + if (*s == '*') + s++; + else + break; + } + else if (*s == '*') + break; + + if (strncasecmp (s, "sbz", 3) == 0) + { + cmpltr = 2; + s += 3; + } + else if (strncasecmp (s, "shz", 3) == 0) + { + cmpltr = 3; + s += 3; + } + else if (strncasecmp (s, "sdc", 3) == 0) + { + cmpltr = 4; + s += 3; + } + else if (strncasecmp (s, "sbc", 3) == 0) + { + cmpltr = 6; + s += 3; + } + else if (strncasecmp (s, "shc", 3) == 0) + { + cmpltr = 7; + s += 3; + } + else if (strncasecmp (s, "tr", 2) == 0) + { + cmpltr = 0; + flag = 1; + s += 2; + } + else if (strncasecmp (s, "nbz", 3) == 0) + { + cmpltr = 2; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "nhz", 3) == 0) + { + cmpltr = 3; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "ndc", 3) == 0) + { + cmpltr = 4; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "nbc", 3) == 0) + { + cmpltr = 6; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "nhc", 3) == 0) + { + cmpltr = 7; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "swz", 3) == 0) + { + cmpltr = 1; + flag = 0; + s += 3; + } + else if (strncasecmp (s, "swc", 3) == 0) + { + cmpltr = 5; + flag = 0; + s += 3; + } + else if (strncasecmp (s, "nwz", 3) == 0) + { + cmpltr = 1; + flag = 1; + s += 3; + } + else if (strncasecmp (s, "nwc", 3) == 0) + { + cmpltr = 5; + flag = 1; + s += 3; + } + /* ",*" is a valid condition. */ + else if (*args != 'U' || (*s != ' ' && *s != '\t')) + as_bad (_("Invalid Unit Instruction Condition.")); + } + opcode |= cmpltr << 13; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); + + default: + abort (); + } + break; + } + + /* Handle a nullification completer for branch instructions. */ + case 'n': + nullif = pa_parse_nullif (&s); + INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1); + + /* Handle a nullification completer for copr and spop insns. */ + case 'N': + nullif = pa_parse_nullif (&s); + INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5); + + /* Handle ,%r2 completer for new syntax branches. */ + case 'L': + if (*s == ',' && strncasecmp (s + 1, "%r2", 3) == 0) + s += 4; + else if (*s == ',' && strncasecmp (s + 1, "%rp", 3) == 0) + s += 4; + else + break; + continue; + + /* Handle 3 bit entry into the fp compare array. Valid values + are 0..6 inclusive. */ + case 'h': + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 6, 0, 0); + num++; + INSERT_FIELD_AND_CONTINUE (opcode, num, 13); + } + else + break; + + /* Handle 3 bit entry into the fp compare array. Valid values + are 0..6 inclusive. */ + case 'm': + get_expression (s); + if (the_insn.exp.X_op == O_constant) + { + s = expr_end; + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 6, 0, 0); + num = (num + 1) ^ 1; + INSERT_FIELD_AND_CONTINUE (opcode, num, 13); + } + else + break; + + /* Handle graphics test completers for ftest */ + case '=': + { + num = pa_parse_ftest_gfx_completer (&s); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + + /* Handle a 11 bit immediate at 31. */ + case 'i': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 1023, -1024, 0); + num = low_sign_unext (num, 11); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + else + { + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 11; + continue; + } + + /* Handle a 14 bit immediate at 31. */ + case 'J': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + int mb; + + /* XXX the completer stored away tidbits of information + for us to extract. We need a cleaner way to do this. + Now that we have lots of letters again, it would be + good to rethink this. */ + mb = opcode & 1; + opcode -= mb; + num = evaluate_absolute (&the_insn); + if (mb != (num < 0)) + break; + CHECK_FIELD (num, 8191, -8192, 0); + num = low_sign_unext (num, 14); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + break; + + /* Handle a 14 bit immediate at 31. */ + case 'K': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + int mb; + + mb = opcode & 1; + opcode -= mb; + num = evaluate_absolute (&the_insn); + if (mb == (num < 0)) + break; + if (num % 4) + break; + CHECK_FIELD (num, 8191, -8192, 0); + num = low_sign_unext (num, 14); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + break; + + /* Handle a 16 bit immediate at 31. */ + case '<': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + int mb; + + mb = opcode & 1; + opcode -= mb; + num = evaluate_absolute (&the_insn); + if (mb != (num < 0)) + break; + CHECK_FIELD (num, 32767, -32768, 0); + num = re_assemble_16 (num); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + break; + + /* Handle a 16 bit immediate at 31. */ + case '>': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + int mb; + + mb = opcode & 1; + opcode -= mb; + num = evaluate_absolute (&the_insn); + if (mb == (num < 0)) + break; + if (num % 4) + break; + CHECK_FIELD (num, 32767, -32768, 0); + num = re_assemble_16 (num); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + break; + + /* Handle 14 bit immediate, shifted left three times. */ + case '#': + if (bfd_get_mach (stdoutput) != pa20) + break; + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + if (num & 0x7) + break; + CHECK_FIELD (num, 8191, -8192, 0); + if (num < 0) + opcode |= 1; + num &= 0x1fff; + num >>= 3; + INSERT_FIELD_AND_CONTINUE (opcode, num, 4); + } + else + { + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + break; + + /* Handle 14 bit immediate, shifted left twice. */ + case 'd': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + if (num & 0x3) + break; + CHECK_FIELD (num, 8191, -8192, 0); + if (num < 0) + opcode |= 1; + num &= 0x1fff; + num >>= 2; + INSERT_FIELD_AND_CONTINUE (opcode, num, 3); + } + else + { + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + + /* Handle a 14 bit immediate at 31. */ + case 'j': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 8191, -8192, 0); + num = low_sign_unext (num, 14); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + else + { + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + + /* Handle a 21 bit immediate at 31. */ + case 'k': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num >> 11, 1048575, -1048576, 0); + opcode |= re_assemble_21 (num); + continue; + } + else + { + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 21; + continue; + } + + /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */ + case 'l': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 32767, -32768, 0); + opcode |= re_assemble_16 (num); + continue; + } + else + { + /* ??? Is this valid for wide mode? */ + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + + /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */ + case 'y': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 32767, -32768, 0); + CHECK_ALIGN (num, 4, 0); + opcode |= re_assemble_16 (num); + continue; + } + else + { + /* ??? Is this valid for wide mode? */ + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + + /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */ + case '&': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + if (the_insn.exp.X_op == O_constant) + { + num = evaluate_absolute (&the_insn); + CHECK_FIELD (num, 32767, -32768, 0); + CHECK_ALIGN (num, 8, 0); + opcode |= re_assemble_16 (num); + continue; + } + else + { + /* ??? Is this valid for wide mode? */ + if (is_DP_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_GOTOFF; + else if (is_PC_relative (the_insn.exp)) + the_insn.reloc = R_HPPA_PCREL_CALL; + else + the_insn.reloc = R_HPPA; + the_insn.format = 14; + continue; + } + + /* Handle a 12 bit branch displacement. */ + case 'w': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + the_insn.pcrel = 1; + if (!the_insn.exp.X_add_symbol + || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), + FAKE_LABEL_NAME)) + { + num = evaluate_absolute (&the_insn); + if (num % 4) + { + as_bad (_("Branch to unaligned address")); + break; + } + if (the_insn.exp.X_add_symbol) + num -= 8; + CHECK_FIELD (num, 8191, -8192, 0); + opcode |= re_assemble_12 (num >> 2); + continue; + } + else + { + the_insn.reloc = R_HPPA_PCREL_CALL; + the_insn.format = 12; + the_insn.arg_reloc = last_call_desc.arg_reloc; + memset (&last_call_desc, 0, sizeof (struct call_desc)); + s = expr_end; + continue; + } + + /* Handle a 17 bit branch displacement. */ + case 'W': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + the_insn.pcrel = 1; + if (!the_insn.exp.X_add_symbol + || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), + FAKE_LABEL_NAME)) + { + num = evaluate_absolute (&the_insn); + if (num % 4) + { + as_bad (_("Branch to unaligned address")); + break; + } + if (the_insn.exp.X_add_symbol) + num -= 8; + CHECK_FIELD (num, 262143, -262144, 0); + opcode |= re_assemble_17 (num >> 2); + continue; + } + else + { + the_insn.reloc = R_HPPA_PCREL_CALL; + the_insn.format = 17; + the_insn.arg_reloc = last_call_desc.arg_reloc; + memset (&last_call_desc, 0, sizeof (struct call_desc)); + continue; + } + + /* Handle a 22 bit branch displacement. */ + case 'X': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + the_insn.pcrel = 1; + if (!the_insn.exp.X_add_symbol + || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), + FAKE_LABEL_NAME)) + { + num = evaluate_absolute (&the_insn); + if (num % 4) + { + as_bad (_("Branch to unaligned address")); + break; + } + if (the_insn.exp.X_add_symbol) + num -= 8; + CHECK_FIELD (num, 8388607, -8388608, 0); + opcode |= re_assemble_22 (num >> 2); + } + else + { + the_insn.reloc = R_HPPA_PCREL_CALL; + the_insn.format = 22; + the_insn.arg_reloc = last_call_desc.arg_reloc; + memset (&last_call_desc, 0, sizeof (struct call_desc)); + continue; + } + + /* Handle an absolute 17 bit branch target. */ + case 'z': + the_insn.field_selector = pa_chk_field_selector (&s); + get_expression (s); + s = expr_end; + the_insn.pcrel = 0; + if (!the_insn.exp.X_add_symbol + || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), + FAKE_LABEL_NAME)) + { + num = evaluate_absolute (&the_insn); + if (num % 4) + { + as_bad (_("Branch to unaligned address")); + break; + } + if (the_insn.exp.X_add_symbol) + num -= 8; + CHECK_FIELD (num, 262143, -262144, 0); + opcode |= re_assemble_17 (num >> 2); + continue; + } + else + { + the_insn.reloc = R_HPPA_ABS_CALL; + the_insn.format = 17; + the_insn.arg_reloc = last_call_desc.arg_reloc; + memset (&last_call_desc, 0, sizeof (struct call_desc)); + continue; + } + + /* Handle '%r1' implicit operand of addil instruction. */ + case 'Z': + if (*s == ',' && *(s + 1) == '%' && *(s + 3) == '1' + && (*(s + 2) == 'r' || *(s + 2) == 'R')) + { + s += 4; + continue; + } + else + break; + + /* Handle '%sr0,%r31' implicit operand of be,l instruction. */ + case 'Y': + if (strncasecmp (s, "%sr0,%r31", 9) != 0) + break; + s += 9; + continue; + + /* Handle immediate value of 0 for ordered load/store instructions. */ + case '@': + if (*s != '0') + break; + s++; + continue; + + /* Handle a 2 bit shift count at 25. */ + case '.': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 3, 1, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 6); + + /* Handle a 4 bit shift count at 25. */ + case '*': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 15, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 6); + + /* Handle a 5 bit shift count at 26. */ + case 'p': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 31, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5); + + /* Handle a 6 bit shift count at 20,22:26. */ + case '~': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 63, 0, strict); + num = 63 - num; + opcode |= (num & 0x20) << 6; + INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5); + + /* Handle a 6 bit field length at 23,27:31. */ + case '%': + flag = 0; + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 64, 1, strict); + num--; + opcode |= (num & 0x20) << 3; + num = 31 - (num & 0x1f); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 6 bit field length at 19,27:31. */ + case '|': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 64, 1, strict); + num--; + opcode |= (num & 0x20) << 7; + num = 31 - (num & 0x1f); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 5 bit bit position at 26. */ + case 'P': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 31, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 5); + + /* Handle a 6 bit bit position at 20,22:26. */ + case 'q': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 63, 0, strict); + opcode |= (num & 0x20) << 6; + INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5); + + /* Handle a 5 bit immediate at 10 with 'd' as the complement + of the high bit of the immediate. */ + case 'B': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 63, 0, strict); + if (num & 0x20) + ; + else + opcode |= (1 << 13); + INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 21); + + /* Handle a 5 bit immediate at 10. */ + case 'Q': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 31, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 21); + + /* Handle a 9 bit immediate at 28. */ + case '$': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 511, 1, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 3); + + /* Handle a 13 bit immediate at 18. */ + case 'A': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 8191, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 13); + + /* Handle a 26 bit immediate at 31. */ + case 'D': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 67108863, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 3 bit SFU identifier at 25. */ + case 'v': + if (*s++ != ',') + as_bad (_("Invalid SFU identifier")); + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 7, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 6); + + /* Handle a 20 bit SOP field for spop0. */ + case 'O': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 1048575, 0, strict); + num = (num & 0x1f) | ((num & 0x000fffe0) << 6); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 15bit SOP field for spop1. */ + case 'o': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 32767, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 11); + + /* Handle a 10bit SOP field for spop3. */ + case '0': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 1023, 0, strict); + num = (num & 0x1f) | ((num & 0x000003e0) << 6); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 15 bit SOP field for spop2. */ + case '1': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 32767, 0, strict); + num = (num & 0x1f) | ((num & 0x00007fe0) << 6); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a 3-bit co-processor ID field. */ + case 'u': + if (*s++ != ',') + as_bad (_("Invalid COPR identifier")); + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 7, 0, strict); + INSERT_FIELD_AND_CONTINUE (opcode, num, 6); + + /* Handle a 22bit SOP field for copr. */ + case '2': + num = pa_get_absolute_expression (&the_insn, &s); + if (strict && the_insn.exp.X_op != O_constant) + break; + s = expr_end; + CHECK_FIELD (num, 4194303, 0, strict); + num = (num & 0x1f) | ((num & 0x003fffe0) << 4); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Handle a source FP operand format completer. */ + case '{': + if (*s == ',' && *(s+1) == 't') + { + the_insn.trunc = 1; + s += 2; + } + else + the_insn.trunc = 0; + flag = pa_parse_fp_cnv_format (&s); + the_insn.fpof1 = flag; + if (flag == W || flag == UW) + flag = SGL; + if (flag == DW || flag == UDW) + flag = DBL; + if (flag == QW || flag == UQW) + flag = QUAD; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle a destination FP operand format completer. */ + case '_': + /* pa_parse_format needs the ',' prefix. */ + s--; + flag = pa_parse_fp_cnv_format (&s); + the_insn.fpof2 = flag; + if (flag == W || flag == UW) + flag = SGL; + if (flag == DW || flag == UDW) + flag = DBL; + if (flag == QW || flag == UQW) + flag = QUAD; + opcode |= flag << 13; + if (the_insn.fpof1 == SGL + || the_insn.fpof1 == DBL + || the_insn.fpof1 == QUAD) + { + if (the_insn.fpof2 == SGL + || the_insn.fpof2 == DBL + || the_insn.fpof2 == QUAD) + flag = 0; + else if (the_insn.fpof2 == W + || the_insn.fpof2 == DW + || the_insn.fpof2 == QW) + flag = 2; + else if (the_insn.fpof2 == UW + || the_insn.fpof2 == UDW + || the_insn.fpof2 == UQW) + flag = 6; + else + abort (); + } + else if (the_insn.fpof1 == W + || the_insn.fpof1 == DW + || the_insn.fpof1 == QW) + { + if (the_insn.fpof2 == SGL + || the_insn.fpof2 == DBL + || the_insn.fpof2 == QUAD) + flag = 1; + else + abort (); + } + else if (the_insn.fpof1 == UW + || the_insn.fpof1 == UDW + || the_insn.fpof1 == UQW) + { + if (the_insn.fpof2 == SGL + || the_insn.fpof2 == DBL + || the_insn.fpof2 == QUAD) + flag = 5; + else + abort (); + } + flag |= the_insn.trunc; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 15); + + /* Handle a source FP operand format completer. */ + case 'F': + flag = pa_parse_fp_format (&s); + the_insn.fpof1 = flag; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle a destination FP operand format completer. */ + case 'G': + /* pa_parse_format needs the ',' prefix. */ + s--; + flag = pa_parse_fp_format (&s); + the_insn.fpof2 = flag; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 13); + + /* Handle a source FP operand format completer at 20. */ + case 'I': + flag = pa_parse_fp_format (&s); + the_insn.fpof1 = flag; + INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); + + /* Handle a floating point operand format at 26. + Only allows single and double precision. */ + case 'H': + flag = pa_parse_fp_format (&s); + switch (flag) + { + case SGL: + opcode |= 0x20; + case DBL: + the_insn.fpof1 = flag; + continue; + + case QUAD: + case ILLEGAL_FMT: + default: + as_bad (_("Invalid Floating Point Operand Format.")); + } + break; + + /* Handle all floating point registers. */ + case 'f': + switch (*++args) + { + /* Float target register. */ + case 't': + if (!pa_parse_number (&s, 3)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + + /* Float target register with L/R selection. */ + case 'T': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num; + + /* 0x30 opcodes are FP arithmetic operation opcodes + and need to be turned into 0x38 opcodes. This + is not necessary for loads/stores. */ + if (need_pa11_opcode () + && ((opcode & 0xfc000000) == 0x30000000)) + opcode |= 1 << 27; + + opcode |= (pa_number & FP_REG_RSEL ? 1 << 6 : 0); + continue; + } + + /* Float operand 1. */ + case 'a': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 21; + if (need_pa11_opcode ()) + { + opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0); + opcode |= 1 << 27; + } + continue; + } + + /* Float operand 1 with L/R selection. */ + case 'X': + case 'A': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 21; + opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0); + continue; + } + + /* Float operand 2. */ + case 'b': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 16; + if (need_pa11_opcode ()) + { + opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0); + opcode |= 1 << 27; + } + continue; + } + + /* Float operand 2 with L/R selection. */ + case 'B': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 16; + opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0); + continue; + } + + /* Float operand 3 for fmpyfadd, fmpynfadd. */ + case 'C': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= (num & 0x1c) << 11; + opcode |= (num & 0x03) << 9; + opcode |= (pa_number & FP_REG_RSEL ? 1 << 8 : 0); + continue; + } + + /* Float mult operand 1 for fmpyadd, fmpysub */ + case 'i': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + if (the_insn.fpof1 == SGL) + { + if (num < 16) + { + as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); + break; + } + num &= 0xF; + num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0); + } + INSERT_FIELD_AND_CONTINUE (opcode, num, 21); + } + + /* Float mult operand 2 for fmpyadd, fmpysub */ + case 'j': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + if (the_insn.fpof1 == SGL) + { + if (num < 16) + { + as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); + break; + } + num &= 0xF; + num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0); + } + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + } + + /* Float mult target for fmpyadd, fmpysub */ + case 'k': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + if (the_insn.fpof1 == SGL) + { + if (num < 16) + { + as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); + break; + } + num &= 0xF; + num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0); + } + INSERT_FIELD_AND_CONTINUE (opcode, num, 0); + } + + /* Float add operand 1 for fmpyadd, fmpysub */ + case 'l': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + if (the_insn.fpof1 == SGL) + { + if (num < 16) + { + as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); + break; + } + num &= 0xF; + num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0); + } + INSERT_FIELD_AND_CONTINUE (opcode, num, 6); + } + + /* Float add target for fmpyadd, fmpysub */ + case 'm': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + if (the_insn.fpof1 == SGL) + { + if (num < 16) + { + as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); + break; + } + num &= 0xF; + num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0); + } + INSERT_FIELD_AND_CONTINUE (opcode, num, 11); + } + + /* Handle L/R register halves like 'x'. */ + case 'E': + case 'e': + { + if (!pa_parse_number (&s, 1)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + opcode |= num << 16; + if (need_pa11_opcode ()) + { + opcode |= (pa_number & FP_REG_RSEL ? 1 << 1 : 0); + } + continue; + } + + /* Float target register (PA 2.0 wide). */ + case 'x': + if (!pa_parse_number (&s, 3)) + break; + num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE; + CHECK_FIELD (num, 31, 0, 0); + INSERT_FIELD_AND_CONTINUE (opcode, num, 16); + + default: + abort (); + } + break; + + default: + abort (); + } + break; + } + + /* If this instruction is specific to a particular architecture, + then set a new architecture. This automatic promotion crud is + for compatibility with HP's old assemblers only. */ + if (match == TRUE + && bfd_get_mach (stdoutput) < insn->arch + && !bfd_set_arch_mach (stdoutput, bfd_arch_hppa, insn->arch)) + { + as_warn (_("could not update architecture and machine")); + match = FALSE; + } + + failed: + /* Check if the args matched. */ + if (!match) + { + if (&insn[1] - pa_opcodes < (int) NUMOPCODES + && !strcmp (insn->name, insn[1].name)) + { + ++insn; + s = argstart; + continue; + } + else + { + as_bad (_("Invalid operands %s"), error_message); + return; + } + } + break; + } + + the_insn.opcode = opcode; +} + +/* Turn a string in input_line_pointer into a floating point constant of type + type, and store the appropriate bytes in *litP. The number of LITTLENUMS + emitted is stored in *sizeP . An error message or NULL is returned. */ + +#define MAX_LITTLENUMS 6 + +char * +md_atof (type, litP, sizeP) + char type; + char *litP; + int *sizeP; +{ + int prec; + LITTLENUM_TYPE words[MAX_LITTLENUMS]; + LITTLENUM_TYPE *wordP; + char *t; + + switch (type) + { + + case 'f': + case 'F': + case 's': + case 'S': + prec = 2; + break; + + case 'd': + case 'D': + case 'r': + case 'R': + prec = 4; + break; + + case 'x': + case 'X': + prec = 6; + break; + + case 'p': + case 'P': + prec = 6; + break; + + default: + *sizeP = 0; + return _("Bad call to MD_ATOF()"); + } + t = atof_ieee (input_line_pointer, type, words); + if (t) + input_line_pointer = t; + *sizeP = prec * sizeof (LITTLENUM_TYPE); + for (wordP = words; prec--;) + { + md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE)); + litP += sizeof (LITTLENUM_TYPE); + } + return NULL; +} + +/* Write out big-endian. */ + +void +md_number_to_chars (buf, val, n) + char *buf; + valueT val; + int n; +{ + number_to_chars_bigendian (buf, val, n); +} + +/* Translate internal representation of relocation info to BFD target + format. */ + +arelent ** +tc_gen_reloc (section, fixp) + asection *section; + fixS *fixp; +{ + arelent *reloc; + struct hppa_fix_struct *hppa_fixp; + static arelent *no_relocs = NULL; + arelent **relocs; + reloc_type **codes; + reloc_type code; + int n_relocs; + int i; + + hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data; + if (fixp->fx_addsy == 0) + return &no_relocs; + + assert (hppa_fixp != 0); + assert (section != 0); + + reloc = (arelent *) xmalloc (sizeof (arelent)); + + reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); + codes = hppa_gen_reloc_type (stdoutput, + fixp->fx_r_type, + hppa_fixp->fx_r_format, + hppa_fixp->fx_r_field, + fixp->fx_subsy != NULL, + symbol_get_bfdsym (fixp->fx_addsy)); + + if (codes == NULL) + { + as_bad_where (fixp->fx_file, fixp->fx_line, _("Cannot handle fixup")); + abort (); + } + + for (n_relocs = 0; codes[n_relocs]; n_relocs++) + ; + + relocs = (arelent **) xmalloc (sizeof (arelent *) * n_relocs + 1); + reloc = (arelent *) xmalloc (sizeof (arelent) * n_relocs); + for (i = 0; i < n_relocs; i++) + relocs[i] = &reloc[i]; + + relocs[n_relocs] = NULL; + +#ifdef OBJ_ELF + switch (fixp->fx_r_type) + { + default: + assert (n_relocs == 1); + + code = *codes[0]; + + /* Now, do any processing that is dependent on the relocation type. */ + switch (code) + { + case R_PARISC_DLTREL21L: + case R_PARISC_DLTREL14R: + case R_PARISC_DLTREL14F: + case R_PARISC_PLABEL32: + case R_PARISC_PLABEL21L: + case R_PARISC_PLABEL14R: + /* For plabel relocations, the addend of the + relocation should be either 0 (no static link) or 2 + (static link required). This adjustment is done in + bfd/elf32-hppa.c:elf32_hppa_relocate_section. + + We also slam a zero addend into the DLT relative relocs; + it doesn't make a lot of sense to use any addend since + it gets you a different (eg unknown) DLT entry. */ + reloc->addend = 0; + break; + +#ifdef ELF_ARG_RELOC + case R_PARISC_PCREL17R: + case R_PARISC_PCREL17F: + case R_PARISC_PCREL17C: + case R_PARISC_DIR17R: + case R_PARISC_DIR17F: + case R_PARISC_PCREL21L: + case R_PARISC_DIR21L: + reloc->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, + fixp->fx_offset); + break; +#endif + + case R_PARISC_DIR32: + /* Facilitate hand-crafted unwind info. */ + if (strcmp (section->name, UNWIND_SECTION_NAME) == 0) + code = R_PARISC_SEGREL32; + /* Fall thru */ + + default: + reloc->addend = fixp->fx_offset; + break; + } + + reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); + reloc->howto = bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) code); + reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; + + assert (reloc->howto && (unsigned int) code == reloc->howto->type); + break; + } +#else /* OBJ_SOM */ + + /* Walk over reach relocation returned by the BFD backend. */ + for (i = 0; i < n_relocs; i++) + { + code = *codes[i]; + + relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); + relocs[i]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) code); + relocs[i]->address = fixp->fx_frag->fr_address + fixp->fx_where; + + switch (code) + { + case R_COMP2: + /* The only time we ever use a R_COMP2 fixup is for the difference + of two symbols. With that in mind we fill in all four + relocs now and break out of the loop. */ + assert (i == 1); + relocs[0]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); + relocs[0]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) *codes[0]); + relocs[0]->address = fixp->fx_frag->fr_address + fixp->fx_where; + relocs[0]->addend = 0; + relocs[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *relocs[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); + relocs[1]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) *codes[1]); + relocs[1]->address = fixp->fx_frag->fr_address + fixp->fx_where; + relocs[1]->addend = 0; + relocs[2]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *relocs[2]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy); + relocs[2]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) *codes[2]); + relocs[2]->address = fixp->fx_frag->fr_address + fixp->fx_where; + relocs[2]->addend = 0; + relocs[3]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); + relocs[3]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) *codes[3]); + relocs[3]->address = fixp->fx_frag->fr_address + fixp->fx_where; + relocs[3]->addend = 0; + relocs[4]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); + relocs[4]->howto = + bfd_reloc_type_lookup (stdoutput, + (bfd_reloc_code_real_type) *codes[4]); + relocs[4]->address = fixp->fx_frag->fr_address + fixp->fx_where; + relocs[4]->addend = 0; + goto done; + case R_PCREL_CALL: + case R_ABS_CALL: + relocs[i]->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0); + break; + + case R_DLT_REL: + case R_DATA_PLABEL: + case R_CODE_PLABEL: + /* For plabel relocations, the addend of the + relocation should be either 0 (no static link) or 2 + (static link required). + + FIXME: We always assume no static link! + + We also slam a zero addend into the DLT relative relocs; + it doesn't make a lot of sense to use any addend since + it gets you a different (eg unknown) DLT entry. */ + relocs[i]->addend = 0; + break; + + case R_N_MODE: + case R_S_MODE: + case R_D_MODE: + case R_R_MODE: + case R_FSEL: + case R_LSEL: + case R_RSEL: + case R_BEGIN_BRTAB: + case R_END_BRTAB: + case R_BEGIN_TRY: + case R_N0SEL: + case R_N1SEL: + /* There is no symbol or addend associated with these fixups. */ + relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol); + relocs[i]->addend = 0; + break; + + case R_END_TRY: + case R_ENTRY: + case R_EXIT: + /* There is no symbol associated with these fixups. */ + relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); + *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol); + relocs[i]->addend = fixp->fx_offset; + break; + + default: + relocs[i]->addend = fixp->fx_offset; + } + } + + done: +#endif + + return relocs; +} + +/* Process any machine dependent frag types. */ + +void +md_convert_frag (abfd, sec, fragP) + register bfd *abfd ATTRIBUTE_UNUSED; + register asection *sec ATTRIBUTE_UNUSED; + register fragS *fragP; +{ + unsigned int address; + + if (fragP->fr_type == rs_machine_dependent) + { + switch ((int) fragP->fr_subtype) + { + case 0: + fragP->fr_type = rs_fill; + know (fragP->fr_var == 1); + know (fragP->fr_next); + address = fragP->fr_address + fragP->fr_fix; + if (address % fragP->fr_offset) + { + fragP->fr_offset = + fragP->fr_next->fr_address + - fragP->fr_address + - fragP->fr_fix; + } + else + fragP->fr_offset = 0; + break; + } + } +} + +/* Round up a section size to the appropriate boundary. */ + +valueT +md_section_align (segment, size) + asection *segment; + valueT size; +{ + int align = bfd_get_section_alignment (stdoutput, segment); + int align2 = (1 << align) - 1; + + return (size + align2) & ~align2; +} + +/* Return the approximate size of a frag before relaxation has occurred. */ +int +md_estimate_size_before_relax (fragP, segment) + register fragS *fragP; + asection *segment ATTRIBUTE_UNUSED; +{ + int size; + + size = 0; + + while ((fragP->fr_fix + size) % fragP->fr_offset) + size++; + + return size; +} + +#ifdef OBJ_ELF +# ifdef WARN_COMMENTS +const char *md_shortopts = "Vc"; +# else +const char *md_shortopts = "V"; +# endif +#else +# ifdef WARN_COMMENTS +const char *md_shortopts = "c"; +# else +const char *md_shortopts = ""; +# endif +#endif + +struct option md_longopts[] = { +#ifdef WARN_COMMENTS + {"warn-comment", no_argument, NULL, 'c'}, +#endif + {NULL, no_argument, NULL, 0} +}; +size_t md_longopts_size = sizeof (md_longopts); + +int +md_parse_option (c, arg) + int c ATTRIBUTE_UNUSED; + char *arg ATTRIBUTE_UNUSED; +{ + switch (c) + { + default: + return 0; + +#ifdef OBJ_ELF + case 'V': + print_version_id (); + break; +#endif +#ifdef WARN_COMMENTS + case 'c': + warn_comment = 1; + break; +#endif + } + + return 1; +} + +void +md_show_usage (stream) + FILE *stream ATTRIBUTE_UNUSED; +{ +#ifdef OBJ_ELF + fprintf (stream, _("\ + -Q ignored\n")); +#endif +#ifdef WARN_COMMENTS + fprintf (stream, _("\ + -c print a warning if a comment is found\n")); +#endif +} + +/* We have no need to default values of symbols. */ + +symbolS * +md_undefined_symbol (name) + char *name ATTRIBUTE_UNUSED; +{ + return 0; +} + +#if defined (OBJ_SOM) || defined (ELF_ARG_RELOC) +#define nonzero_dibits(x) \ + ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1)) +#define arg_reloc_stub_needed(CALLER, CALLEE) \ + (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE)) +#else +#define arg_reloc_stub_needed(CALLER, CALLEE) 0 +#endif + +/* Apply a fixup to an instruction. */ + +void +md_apply_fix (fixP, valP, seg) + fixS *fixP; + valueT *valP; + segT seg ATTRIBUTE_UNUSED; +{ + char *fixpos; + struct hppa_fix_struct *hppa_fixP; + offsetT new_val; + int insn, val, fmt; + + /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can + never be "applied" (they are just markers). Likewise for + R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */ +#ifdef OBJ_SOM + if (fixP->fx_r_type == R_HPPA_ENTRY + || fixP->fx_r_type == R_HPPA_EXIT + || fixP->fx_r_type == R_HPPA_BEGIN_BRTAB + || fixP->fx_r_type == R_HPPA_END_BRTAB + || fixP->fx_r_type == R_HPPA_BEGIN_TRY) + return; + + /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY + fixups are considered not adjustable, which in turn causes + adjust_reloc_syms to not set fx_offset. Ugh. */ + if (fixP->fx_r_type == R_HPPA_END_TRY) + { + fixP->fx_offset = * valP; + return; + } +#endif +#ifdef OBJ_ELF + if (fixP->fx_r_type == (int) R_PARISC_GNU_VTENTRY + || fixP->fx_r_type == (int) R_PARISC_GNU_VTINHERIT) + return; +#endif + + if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) + fixP->fx_done = 1; + + /* There should be a HPPA specific fixup associated with the GAS fixup. */ + hppa_fixP = (struct hppa_fix_struct *) fixP->tc_fix_data; + if (hppa_fixP == NULL) + { + as_bad_where (fixP->fx_file, fixP->fx_line, + _("no hppa_fixup entry for fixup type 0x%x"), + fixP->fx_r_type); + return; + } + + fixpos = fixP->fx_frag->fr_literal + fixP->fx_where; + + if (fixP->fx_size != 4 || hppa_fixP->fx_r_format == 32) + { + /* Handle constant output. */ + number_to_chars_bigendian (fixpos, *valP, fixP->fx_size); + return; + } + + insn = bfd_get_32 (stdoutput, fixpos); + fmt = bfd_hppa_insn2fmt (stdoutput, insn); + + /* If there is a symbol associated with this fixup, then it's something + which will need a SOM relocation (except for some PC-relative relocs). + In such cases we should treat the "val" or "addend" as zero since it + will be added in as needed from fx_offset in tc_gen_reloc. */ + if ((fixP->fx_addsy != NULL + || fixP->fx_r_type == (int) R_HPPA_NONE) +#ifdef OBJ_SOM + && fmt != 32 +#endif + ) + new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0); +#ifdef OBJ_SOM + /* These field selectors imply that we do not want an addend. */ + else if (hppa_fixP->fx_r_field == e_psel + || hppa_fixP->fx_r_field == e_rpsel + || hppa_fixP->fx_r_field == e_lpsel + || hppa_fixP->fx_r_field == e_tsel + || hppa_fixP->fx_r_field == e_rtsel + || hppa_fixP->fx_r_field == e_ltsel) + new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0); +#endif + else + new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field); + + /* Handle pc-relative exceptions from above. */ + if ((fmt == 12 || fmt == 17 || fmt == 22) + && fixP->fx_addsy + && fixP->fx_pcrel + && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP->fx_addsy), + hppa_fixP->fx_arg_reloc) +#ifdef OBJ_ELF + && (* valP - 8 + 8192 < 16384 + || (fmt == 17 && * valP - 8 + 262144 < 524288) + || (fmt == 22 && * valP - 8 + 8388608 < 16777216)) +#endif +#ifdef OBJ_SOM + && (* valP - 8 + 262144 < 524288 + || (fmt == 22 && * valP - 8 + 8388608 < 16777216)) +#endif + && !S_IS_EXTERNAL (fixP->fx_addsy) + && !S_IS_WEAK (fixP->fx_addsy) + && S_GET_SEGMENT (fixP->fx_addsy) == hppa_fixP->segment + && !(fixP->fx_subsy + && S_GET_SEGMENT (fixP->fx_subsy) != hppa_fixP->segment)) + { + new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field); + } + + switch (fmt) + { + case 10: + CHECK_FIELD_WHERE (new_val, 8191, -8192, + fixP->fx_file, fixP->fx_line); + val = new_val; + + insn = (insn & ~ 0x3ff1) | (((val & 0x1ff8) << 1) + | ((val & 0x2000) >> 13)); + break; + case -11: + CHECK_FIELD_WHERE (new_val, 8191, -8192, + fixP->fx_file, fixP->fx_line); + val = new_val; + + insn = (insn & ~ 0x3ff9) | (((val & 0x1ffc) << 1) + | ((val & 0x2000) >> 13)); + break; + /* Handle all opcodes with the 'j' operand type. */ + case 14: + CHECK_FIELD_WHERE (new_val, 8191, -8192, + fixP->fx_file, fixP->fx_line); + val = new_val; + + insn = ((insn & ~ 0x3fff) | low_sign_unext (val, 14)); + break; + + /* Handle all opcodes with the 'k' operand type. */ + case 21: + CHECK_FIELD_WHERE (new_val, 1048575, -1048576, + fixP->fx_file, fixP->fx_line); + val = new_val; + + insn = (insn & ~ 0x1fffff) | re_assemble_21 (val); + break; + + /* Handle all the opcodes with the 'i' operand type. */ + case 11: + CHECK_FIELD_WHERE (new_val, 1023, -1024, + fixP->fx_file, fixP->fx_line); + val = new_val; + + insn = (insn & ~ 0x7ff) | low_sign_unext (val, 11); + break; + + /* Handle all the opcodes with the 'w' operand type. */ + case 12: + CHECK_FIELD_WHERE (new_val - 8, 8191, -8192, + fixP->fx_file, fixP->fx_line); + val = new_val - 8; + + insn = (insn & ~ 0x1ffd) | re_assemble_12 (val >> 2); + break; + + /* Handle some of the opcodes with the 'W' operand type. */ + case 17: + { + offsetT distance = * valP; + + /* If this is an absolute branch (ie no link) with an out of + range target, then we want to complain. */ + if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL + && (insn & 0xffe00000) == 0xe8000000) + CHECK_FIELD_WHERE (distance - 8, 262143, -262144, + fixP->fx_file, fixP->fx_line); + + CHECK_FIELD_WHERE (new_val - 8, 262143, -262144, + fixP->fx_file, fixP->fx_line); + val = new_val - 8; + + insn = (insn & ~ 0x1f1ffd) | re_assemble_17 (val >> 2); + break; + } + + case 22: + { + offsetT distance = * valP; + + /* If this is an absolute branch (ie no link) with an out of + range target, then we want to complain. */ + if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL + && (insn & 0xffe00000) == 0xe8000000) + CHECK_FIELD_WHERE (distance - 8, 8388607, -8388608, + fixP->fx_file, fixP->fx_line); + + CHECK_FIELD_WHERE (new_val - 8, 8388607, -8388608, + fixP->fx_file, fixP->fx_line); + val = new_val - 8; + + insn = (insn & ~ 0x3ff1ffd) | re_assemble_22 (val >> 2); + break; + } + + case -10: + val = new_val; + insn = (insn & ~ 0xfff1) | re_assemble_16 (val & -8); + break; + + case -16: + val = new_val; + insn = (insn & ~ 0xfff9) | re_assemble_16 (val & -4); + break; + + case 16: + val = new_val; + insn = (insn & ~ 0xffff) | re_assemble_16 (val); + break; + + case 32: + insn = new_val; + break; + + default: + as_bad_where (fixP->fx_file, fixP->fx_line, + _("Unknown relocation encountered in md_apply_fix.")); + return; + } + + /* Insert the relocation. */ + bfd_put_32 (stdoutput, insn, fixpos); +} + +/* Exactly what point is a PC-relative offset relative TO? + On the PA, they're relative to the address of the offset. */ + +long +md_pcrel_from (fixP) + fixS *fixP; +{ + return fixP->fx_where + fixP->fx_frag->fr_address; +} + +/* Return nonzero if the input line pointer is at the end of + a statement. */ + +static int +is_end_of_statement () +{ + return ((*input_line_pointer == '\n') + || (*input_line_pointer == ';') + || (*input_line_pointer == '!')); +} + +/* Read a number from S. The number might come in one of many forms, + the most common will be a hex or decimal constant, but it could be + a pre-defined register (Yuk!), or an absolute symbol. + + Return 1 on success or 0 on failure. If STRICT, then a missing + register prefix will cause a failure. The number itself is + returned in `pa_number'. + + IS_FLOAT indicates that a PA-89 FP register number should be + parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is + not set. + + pa_parse_number can not handle negative constants and will fail + horribly if it is passed such a constant. */ + +static int +pa_parse_number (s, is_float) + char **s; + int is_float; +{ + int num; + char *name; + char c; + symbolS *sym; + int status; + char *p = *s; + bfd_boolean have_prefix; + + /* Skip whitespace before the number. */ + while (*p == ' ' || *p == '\t') + p = p + 1; + + pa_number = -1; + have_prefix = 0; + num = 0; + if (!strict && ISDIGIT (*p)) + { + /* Looks like a number. */ + + if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X')) + { + /* The number is specified in hex. */ + p += 2; + while (ISDIGIT (*p) || ((*p >= 'a') && (*p <= 'f')) + || ((*p >= 'A') && (*p <= 'F'))) + { + if (ISDIGIT (*p)) + num = num * 16 + *p - '0'; + else if (*p >= 'a' && *p <= 'f') + num = num * 16 + *p - 'a' + 10; + else + num = num * 16 + *p - 'A' + 10; + ++p; + } + } + else + { + /* The number is specified in decimal. */ + while (ISDIGIT (*p)) + { + num = num * 10 + *p - '0'; + ++p; + } + } + + pa_number = num; + + /* Check for a `l' or `r' suffix. */ + if (is_float) + { + pa_number += FP_REG_BASE; + if (! (is_float & 2)) + { + if (IS_R_SELECT (p)) + { + pa_number += FP_REG_RSEL; + ++p; + } + else if (IS_L_SELECT (p)) + { + ++p; + } + } + } + } + else if (*p == '%') + { + /* The number might be a predefined register. */ + have_prefix = 1; + name = p; + p++; + c = *p; + /* Tege hack: Special case for general registers as the general + code makes a binary search with case translation, and is VERY + slow. */ + if (c == 'r') + { + p++; + if (*p == 'e' && *(p + 1) == 't' + && (*(p + 2) == '0' || *(p + 2) == '1')) + { + p += 2; + num = *p - '0' + 28; + p++; + } + else if (*p == 'p') + { + num = 2; + p++; + } + else if (!ISDIGIT (*p)) + { + if (print_errors) + as_bad (_("Undefined register: '%s'."), name); + num = -1; + } + else + { + do + num = num * 10 + *p++ - '0'; + while (ISDIGIT (*p)); + } + } + else + { + /* Do a normal register search. */ + while (is_part_of_name (c)) + { + p = p + 1; + c = *p; + } + *p = 0; + status = reg_name_search (name); + if (status >= 0) + num = status; + else + { + if (print_errors) + as_bad (_("Undefined register: '%s'."), name); + num = -1; + } + *p = c; + } + + pa_number = num; + } + else + { + /* And finally, it could be a symbol in the absolute section which + is effectively a constant, or a register alias symbol. */ + name = p; + c = *p; + while (is_part_of_name (c)) + { + p = p + 1; + c = *p; + } + *p = 0; + if ((sym = symbol_find (name)) != NULL) + { + if (S_GET_SEGMENT (sym) == reg_section) + { + num = S_GET_VALUE (sym); + /* Well, we don't really have one, but we do have a + register, so... */ + have_prefix = TRUE; + } + else if (S_GET_SEGMENT (sym) == &bfd_abs_section) + num = S_GET_VALUE (sym); + else if (!strict) + { + if (print_errors) + as_bad (_("Non-absolute symbol: '%s'."), name); + num = -1; + } + } + else if (!strict) + { + /* There is where we'd come for an undefined symbol + or for an empty string. For an empty string we + will return zero. That's a concession made for + compatibility with the braindamaged HP assemblers. */ + if (*name == 0) + num = 0; + else + { + if (print_errors) + as_bad (_("Undefined absolute constant: '%s'."), name); + num = -1; + } + } + *p = c; + + pa_number = num; + } + + if (!strict || have_prefix) + { + *s = p; + return 1; + } + return 0; +} + +#define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) + +/* Given NAME, find the register number associated with that name, return + the integer value associated with the given name or -1 on failure. */ + +static int +reg_name_search (name) + char *name; +{ + int middle, low, high; + int cmp; + + low = 0; + high = REG_NAME_CNT - 1; + + do + { + middle = (low + high) / 2; + cmp = strcasecmp (name, pre_defined_registers[middle].name); + if (cmp < 0) + high = middle - 1; + else if (cmp > 0) + low = middle + 1; + else + return pre_defined_registers[middle].value; + } + while (low <= high); + + return -1; +} + +/* Return nonzero if the given INSN and L/R information will require + a new PA-1.1 opcode. */ + +static int +need_pa11_opcode () +{ + if ((pa_number & FP_REG_RSEL) != 0 + && !(the_insn.fpof1 == DBL && the_insn.fpof2 == DBL)) + { + /* If this instruction is specific to a particular architecture, + then set a new architecture. */ + if (bfd_get_mach (stdoutput) < pa11) + { + if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, pa11)) + as_warn (_("could not update architecture and machine")); + } + return TRUE; + } + else + return FALSE; +} + +/* Parse a condition for a fcmp instruction. Return the numerical + code associated with the condition. */ + +static int +pa_parse_fp_cmp_cond (s) + char **s; +{ + int cond, i; + + cond = 0; + + for (i = 0; i < 32; i++) + { + if (strncasecmp (*s, fp_cond_map[i].string, + strlen (fp_cond_map[i].string)) == 0) + { + cond = fp_cond_map[i].cond; + *s += strlen (fp_cond_map[i].string); + /* If not a complete match, back up the input string and + report an error. */ + if (**s != ' ' && **s != '\t') + { + *s -= strlen (fp_cond_map[i].string); + break; + } + while (**s == ' ' || **s == '\t') + *s = *s + 1; + return cond; + } + } + + as_bad (_("Invalid FP Compare Condition: %s"), *s); + + /* Advance over the bogus completer. */ + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + + return 0; +} + +/* Parse a graphics test complete for ftest. */ + +static int +pa_parse_ftest_gfx_completer (s) + char **s; +{ + int value; + + value = 0; + if (strncasecmp (*s, "acc8", 4) == 0) + { + value = 5; + *s += 4; + } + else if (strncasecmp (*s, "acc6", 4) == 0) + { + value = 9; + *s += 4; + } + else if (strncasecmp (*s, "acc4", 4) == 0) + { + value = 13; + *s += 4; + } + else if (strncasecmp (*s, "acc2", 4) == 0) + { + value = 17; + *s += 4; + } + else if (strncasecmp (*s, "acc", 3) == 0) + { + value = 1; + *s += 3; + } + else if (strncasecmp (*s, "rej8", 4) == 0) + { + value = 6; + *s += 4; + } + else if (strncasecmp (*s, "rej", 3) == 0) + { + value = 2; + *s += 3; + } + else + { + value = 0; + as_bad (_("Invalid FTEST completer: %s"), *s); + } + + return value; +} + +/* Parse an FP operand format completer returning the completer + type. */ + +static fp_operand_format +pa_parse_fp_cnv_format (s) + char **s; +{ + int format; + + format = SGL; + if (**s == ',') + { + *s += 1; + if (strncasecmp (*s, "sgl", 3) == 0) + { + format = SGL; + *s += 4; + } + else if (strncasecmp (*s, "dbl", 3) == 0) + { + format = DBL; + *s += 4; + } + else if (strncasecmp (*s, "quad", 4) == 0) + { + format = QUAD; + *s += 5; + } + else if (strncasecmp (*s, "w", 1) == 0) + { + format = W; + *s += 2; + } + else if (strncasecmp (*s, "uw", 2) == 0) + { + format = UW; + *s += 3; + } + else if (strncasecmp (*s, "dw", 2) == 0) + { + format = DW; + *s += 3; + } + else if (strncasecmp (*s, "udw", 3) == 0) + { + format = UDW; + *s += 4; + } + else if (strncasecmp (*s, "qw", 2) == 0) + { + format = QW; + *s += 3; + } + else if (strncasecmp (*s, "uqw", 3) == 0) + { + format = UQW; + *s += 4; + } + else + { + format = ILLEGAL_FMT; + as_bad (_("Invalid FP Operand Format: %3s"), *s); + } + } + + return format; +} + +/* Parse an FP operand format completer returning the completer + type. */ + +static fp_operand_format +pa_parse_fp_format (s) + char **s; +{ + int format; + + format = SGL; + if (**s == ',') + { + *s += 1; + if (strncasecmp (*s, "sgl", 3) == 0) + { + format = SGL; + *s += 4; + } + else if (strncasecmp (*s, "dbl", 3) == 0) + { + format = DBL; + *s += 4; + } + else if (strncasecmp (*s, "quad", 4) == 0) + { + format = QUAD; + *s += 5; + } + else + { + format = ILLEGAL_FMT; + as_bad (_("Invalid FP Operand Format: %3s"), *s); + } + } + + return format; +} + +/* Convert from a selector string into a selector type. */ + +static int +pa_chk_field_selector (str) + char **str; +{ + int middle, low, high; + int cmp; + char name[4]; + + /* Read past any whitespace. */ + /* FIXME: should we read past newlines and formfeeds??? */ + while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f') + *str = *str + 1; + + if ((*str)[1] == '\'' || (*str)[1] == '%') + name[0] = TOLOWER ((*str)[0]), + name[1] = 0; + else if ((*str)[2] == '\'' || (*str)[2] == '%') + name[0] = TOLOWER ((*str)[0]), + name[1] = TOLOWER ((*str)[1]), + name[2] = 0; + else if ((*str)[3] == '\'' || (*str)[3] == '%') + name[0] = TOLOWER ((*str)[0]), + name[1] = TOLOWER ((*str)[1]), + name[2] = TOLOWER ((*str)[2]), + name[3] = 0; + else + return e_fsel; + + low = 0; + high = sizeof (selector_table) / sizeof (struct selector_entry) - 1; + + do + { + middle = (low + high) / 2; + cmp = strcmp (name, selector_table[middle].prefix); + if (cmp < 0) + high = middle - 1; + else if (cmp > 0) + low = middle + 1; + else + { + *str += strlen (name) + 1; +#ifndef OBJ_SOM + if (selector_table[middle].field_selector == e_nsel) + return e_fsel; +#endif + return selector_table[middle].field_selector; + } + } + while (low <= high); + + return e_fsel; +} + +/* Mark (via expr_end) the end of an expression (I think). FIXME. */ + +static int +get_expression (str) + char *str; +{ + char *save_in; + asection *seg; + + save_in = input_line_pointer; + input_line_pointer = str; + seg = expression (&the_insn.exp); + if (!(seg == absolute_section + || seg == undefined_section + || SEG_NORMAL (seg))) + { + as_warn (_("Bad segment in expression.")); + expr_end = input_line_pointer; + input_line_pointer = save_in; + return 1; + } + expr_end = input_line_pointer; + input_line_pointer = save_in; + return 0; +} + +/* Mark (via expr_end) the end of an absolute expression. FIXME. */ +static int +pa_get_absolute_expression (insn, strp) + struct pa_it *insn; + char **strp; +{ + char *save_in; + + insn->field_selector = pa_chk_field_selector (strp); + save_in = input_line_pointer; + input_line_pointer = *strp; + expression (&insn->exp); + /* This is not perfect, but is a huge improvement over doing nothing. + + The PA assembly syntax is ambiguous in a variety of ways. Consider + this string "4 %r5" Is that the number 4 followed by the register + r5, or is that 4 MOD r5? + + If we get a modulo expression when looking for an absolute, we try + again cutting off the input string at the first whitespace character. */ + if (insn->exp.X_op == O_modulus) + { + char *s, c; + int retval; + + input_line_pointer = *strp; + s = *strp; + while (*s != ',' && *s != ' ' && *s != '\t') + s++; + + c = *s; + *s = 0; + + retval = pa_get_absolute_expression (insn, strp); + + input_line_pointer = save_in; + *s = c; + return evaluate_absolute (insn); + } + /* When in strict mode we have a non-match, fix up the pointers + and return to our caller. */ + if (insn->exp.X_op != O_constant && strict) + { + expr_end = input_line_pointer; + input_line_pointer = save_in; + return 0; + } + if (insn->exp.X_op != O_constant) + { + as_bad (_("Bad segment (should be absolute).")); + expr_end = input_line_pointer; + input_line_pointer = save_in; + return 0; + } + expr_end = input_line_pointer; + input_line_pointer = save_in; + return evaluate_absolute (insn); +} + +/* Evaluate an absolute expression EXP which may be modified by + the selector FIELD_SELECTOR. Return the value of the expression. */ +static int +evaluate_absolute (insn) + struct pa_it *insn; +{ + offsetT value; + expressionS exp; + int field_selector = insn->field_selector; + + exp = insn->exp; + value = exp.X_add_number; + + return hppa_field_adjust (0, value, field_selector); +} + +/* Given an argument location specification return the associated + argument location number. */ + +static unsigned int +pa_build_arg_reloc (type_name) + char *type_name; +{ + + if (strncasecmp (type_name, "no", 2) == 0) + return 0; + if (strncasecmp (type_name, "gr", 2) == 0) + return 1; + else if (strncasecmp (type_name, "fr", 2) == 0) + return 2; + else if (strncasecmp (type_name, "fu", 2) == 0) + return 3; + else + as_bad (_("Invalid argument location: %s\n"), type_name); + + return 0; +} + +/* Encode and return an argument relocation specification for + the given register in the location specified by arg_reloc. */ + +static unsigned int +pa_align_arg_reloc (reg, arg_reloc) + unsigned int reg; + unsigned int arg_reloc; +{ + unsigned int new_reloc; + + new_reloc = arg_reloc; + switch (reg) + { + case 0: + new_reloc <<= 8; + break; + case 1: + new_reloc <<= 6; + break; + case 2: + new_reloc <<= 4; + break; + case 3: + new_reloc <<= 2; + break; + default: + as_bad (_("Invalid argument description: %d"), reg); + } + + return new_reloc; +} + +/* Parse a PA nullification completer (,n). Return nonzero if the + completer was found; return zero if no completer was found. */ + +static int +pa_parse_nullif (s) + char **s; +{ + int nullif; + + nullif = 0; + if (**s == ',') + { + *s = *s + 1; + if (strncasecmp (*s, "n", 1) == 0) + nullif = 1; + else + { + as_bad (_("Invalid Nullification: (%c)"), **s); + nullif = 0; + } + *s = *s + 1; + } + + return nullif; +} + +/* Parse a non-negated compare/subtract completer returning the + number (for encoding in instructions) of the given completer. */ + +static int +pa_parse_nonneg_cmpsub_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + char *save_s = *s; + int nullify = 0; + + cmpltr = 0; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + + if (strcmp (name, "=") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, "<") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, "<=") == 0) + { + cmpltr = 3; + } + else if (strcmp (name, "<<") == 0) + { + cmpltr = 4; + } + else if (strcmp (name, "<<=") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "sv") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "od") == 0) + { + cmpltr = 7; + } + /* If we have something like addb,n then there is no condition + completer. */ + else if (strcasecmp (name, "n") == 0) + { + cmpltr = 0; + nullify = 1; + } + else + { + cmpltr = -1; + } + **s = c; + } + + /* Reset pointers if this was really a ,n for a branch instruction. */ + if (nullify) + *s = save_s; + + return cmpltr; +} + +/* Parse a negated compare/subtract completer returning the + number (for encoding in instructions) of the given completer. */ + +static int +pa_parse_neg_cmpsub_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + char *save_s = *s; + int nullify = 0; + + cmpltr = 0; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + + if (strcasecmp (name, "tr") == 0) + { + cmpltr = 0; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 3; + } + else if (strcmp (name, ">>=") == 0) + { + cmpltr = 4; + } + else if (strcmp (name, ">>") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "nsv") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "ev") == 0) + { + cmpltr = 7; + } + /* If we have something like addb,n then there is no condition + completer. */ + else if (strcasecmp (name, "n") == 0) + { + cmpltr = 0; + nullify = 1; + } + else + { + cmpltr = -1; + } + **s = c; + } + + /* Reset pointers if this was really a ,n for a branch instruction. */ + if (nullify) + *s = save_s; + + return cmpltr; +} + +/* Parse a 64 bit compare and branch completer returning the number (for + encoding in instructions) of the given completer. + + Nonnegated comparisons are returned as 0-7, negated comparisons are + returned as 8-15. */ + +static int +pa_parse_cmpb_64_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + + cmpltr = -1; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + + if (strcmp (name, "*") == 0) + { + cmpltr = 0; + } + else if (strcmp (name, "*=") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, "*<") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, "*<=") == 0) + { + cmpltr = 3; + } + else if (strcmp (name, "*<<") == 0) + { + cmpltr = 4; + } + else if (strcmp (name, "*<<=") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "*sv") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "*od") == 0) + { + cmpltr = 7; + } + else if (strcasecmp (name, "*tr") == 0) + { + cmpltr = 8; + } + else if (strcmp (name, "*<>") == 0) + { + cmpltr = 9; + } + else if (strcmp (name, "*>=") == 0) + { + cmpltr = 10; + } + else if (strcmp (name, "*>") == 0) + { + cmpltr = 11; + } + else if (strcmp (name, "*>>=") == 0) + { + cmpltr = 12; + } + else if (strcmp (name, "*>>") == 0) + { + cmpltr = 13; + } + else if (strcasecmp (name, "*nsv") == 0) + { + cmpltr = 14; + } + else if (strcasecmp (name, "*ev") == 0) + { + cmpltr = 15; + } + else + { + cmpltr = -1; + } + **s = c; + } + + return cmpltr; +} + +/* Parse a 64 bit compare immediate and branch completer returning the number + (for encoding in instructions) of the given completer. */ + +static int +pa_parse_cmpib_64_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + + cmpltr = -1; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + + if (strcmp (name, "*<<") == 0) + { + cmpltr = 0; + } + else if (strcmp (name, "*=") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, "*<") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, "*<=") == 0) + { + cmpltr = 3; + } + else if (strcmp (name, "*>>=") == 0) + { + cmpltr = 4; + } + else if (strcmp (name, "*<>") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "*>=") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "*>") == 0) + { + cmpltr = 7; + } + else + { + cmpltr = -1; + } + **s = c; + } + + return cmpltr; +} + +/* Parse a non-negated addition completer returning the number + (for encoding in instructions) of the given completer. */ + +static int +pa_parse_nonneg_add_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + char *save_s = *s; + int nullify = 0; + + cmpltr = 0; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + if (strcmp (name, "=") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, "<") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, "<=") == 0) + { + cmpltr = 3; + } + else if (strcasecmp (name, "nuv") == 0) + { + cmpltr = 4; + } + else if (strcasecmp (name, "znv") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "sv") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "od") == 0) + { + cmpltr = 7; + } + /* If we have something like addb,n then there is no condition + completer. */ + else if (strcasecmp (name, "n") == 0) + { + cmpltr = 0; + nullify = 1; + } + else + { + cmpltr = -1; + } + **s = c; + } + + /* Reset pointers if this was really a ,n for a branch instruction. */ + if (nullify) + *s = save_s; + + return cmpltr; +} + +/* Parse a negated addition completer returning the number + (for encoding in instructions) of the given completer. */ + +static int +pa_parse_neg_add_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + char *save_s = *s; + int nullify = 0; + + cmpltr = 0; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + if (strcasecmp (name, "tr") == 0) + { + cmpltr = 0; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 3; + } + else if (strcasecmp (name, "uv") == 0) + { + cmpltr = 4; + } + else if (strcasecmp (name, "vnz") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "nsv") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "ev") == 0) + { + cmpltr = 7; + } + /* If we have something like addb,n then there is no condition + completer. */ + else if (strcasecmp (name, "n") == 0) + { + cmpltr = 0; + nullify = 1; + } + else + { + cmpltr = -1; + } + **s = c; + } + + /* Reset pointers if this was really a ,n for a branch instruction. */ + if (nullify) + *s = save_s; + + return cmpltr; +} + +/* Parse a 64 bit wide mode add and branch completer returning the number (for + encoding in instructions) of the given completer. */ + +static int +pa_parse_addb_64_cmpltr (s) + char **s; +{ + int cmpltr; + char *name = *s + 1; + char c; + char *save_s = *s; + int nullify = 0; + + cmpltr = 0; + if (**s == ',') + { + *s += 1; + while (**s != ',' && **s != ' ' && **s != '\t') + *s += 1; + c = **s; + **s = 0x00; + if (strcmp (name, "=") == 0) + { + cmpltr = 1; + } + else if (strcmp (name, "<") == 0) + { + cmpltr = 2; + } + else if (strcmp (name, "<=") == 0) + { + cmpltr = 3; + } + else if (strcasecmp (name, "nuv") == 0) + { + cmpltr = 4; + } + else if (strcasecmp (name, "*=") == 0) + { + cmpltr = 5; + } + else if (strcasecmp (name, "*<") == 0) + { + cmpltr = 6; + } + else if (strcasecmp (name, "*<=") == 0) + { + cmpltr = 7; + } + else if (strcmp (name, "tr") == 0) + { + cmpltr = 8; + } + else if (strcmp (name, "<>") == 0) + { + cmpltr = 9; + } + else if (strcmp (name, ">=") == 0) + { + cmpltr = 10; + } + else if (strcmp (name, ">") == 0) + { + cmpltr = 11; + } + else if (strcasecmp (name, "uv") == 0) + { + cmpltr = 12; + } + else if (strcasecmp (name, "*<>") == 0) + { + cmpltr = 13; + } + else if (strcasecmp (name, "*>=") == 0) + { + cmpltr = 14; + } + else if (strcasecmp (name, "*>") == 0) + { + cmpltr = 15; + } + /* If we have something like addb,n then there is no condition + completer. */ + else if (strcasecmp (name, "n") == 0) + { + cmpltr = 0; + nullify = 1; + } + else + { + cmpltr = -1; + } + **s = c; + } + + /* Reset pointers if this was really a ,n for a branch instruction. */ + if (nullify) + *s = save_s; + + return cmpltr; +} + +#ifdef OBJ_SOM +/* Handle an alignment directive. Special so that we can update the + alignment of the subspace if necessary. */ +static void +pa_align (bytes) + int bytes; +{ + /* We must have a valid space and subspace. */ + pa_check_current_space_and_subspace (); + + /* Let the generic gas code do most of the work. */ + s_align_bytes (bytes); + + /* If bytes is a power of 2, then update the current subspace's + alignment if necessary. */ + if (exact_log2 (bytes) != -1) + record_alignment (current_subspace->ssd_seg, exact_log2 (bytes)); +} +#endif + +/* Handle a .BLOCK type pseudo-op. */ + +static void +pa_block (z) + int z ATTRIBUTE_UNUSED; +{ + unsigned int temp_size; + +#ifdef OBJ_SOM + /* We must have a valid space and subspace. */ + pa_check_current_space_and_subspace (); +#endif + + temp_size = get_absolute_expression (); + + if (temp_size > 0x3FFFFFFF) + { + as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff")); + temp_size = 0; + } + else + { + /* Always fill with zeros, that's what the HP assembler does. */ + char *p = frag_var (rs_fill, 1, 1, 0, NULL, temp_size, NULL); + *p = 0; + } + + pa_undefine_label (); + demand_empty_rest_of_line (); +} + +/* Handle a .begin_brtab and .end_brtab pseudo-op. */ + +static void +pa_brtab (begin) + int begin ATTRIBUTE_UNUSED; +{ + +#ifdef OBJ_SOM + /* The BRTAB relocations are only available in SOM (to denote + the beginning and end of branch tables). */ + char *where = frag_more (0); + + fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, + NULL, (offsetT) 0, NULL, + 0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB, + e_fsel, 0, 0, 0); +#endif + + demand_empty_rest_of_line (); +} + +/* Handle a .begin_try and .end_try pseudo-op. */ + +static void +pa_try (begin) + int begin ATTRIBUTE_UNUSED; +{ +#ifdef OBJ_SOM + expressionS exp; + char *where = frag_more (0); + + if (! begin) + expression (&exp); + + /* The TRY relocations are only available in SOM (to denote + the beginning and end of exception handling regions). */ + + fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, + NULL, (offsetT) 0, begin ? NULL : &exp, + 0, begin ? R_HPPA_BEGIN_TRY : R_HPPA_END_TRY, + e_fsel, 0, 0, 0); +#endif + + demand_empty_rest_of_line (); +} + +/* Handle a .CALL pseudo-op. This involves storing away information + about where arguments are to be found so the linker can detect + (and correct) argument location mismatches between caller and callee. */ + +static void +pa_call (unused) + int unused ATTRIBUTE_UNUSED; +{ +#ifdef OBJ_SOM + /* We must have a valid space and subspace. */ + pa_check_current_space_and_subspace (); +#endif + + pa_call_args (&last_call_desc); + demand_empty_rest_of_line (); +} + +/* Do the dirty work of building a call descriptor which describes + where the caller placed arguments to a function call. */ + +static void +pa_call_args (call_desc) + struct call_desc *call_desc; +{ + char *name, c, *p; + unsigned int temp, arg_reloc; + + while (!is_end_of_statement ()) + { + name = input_line_pointer; + c = get_symbol_end (); + /* Process a source argument. */ + if ((strncasecmp (name, "argw", 4) == 0)) + { + temp = atoi (name + 4); + p = input_line_pointer; + *p = c; + input_line_pointer++; + name = input_line_pointer; + c = get_symbol_end (); + arg_reloc = pa_build_arg_reloc (name); + call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc); + } + /* Process a return value. */ + else if ((strncasecmp (name, "rtnval", 6) == 0)) + { + p = input_line_pointer; + *p = c; + input_line_pointer++; + name = input_line_pointer; + c = get_symbol_end (); + arg_reloc = pa_build_arg_reloc (name); + call_desc->arg_reloc |= (arg_reloc & 0x3); + } + else + { + as_bad (_("Invalid .CALL argument: %s"), name); + } + p = input_line_pointer; + *p = c; + if (!is_end_of_statement ()) + input_line_pointer++; + } +} + +/* Return TRUE if FRAG1 and FRAG2 are the same. */ + +static int +is_same_frag (frag1, frag2) + fragS *frag1; + fragS *frag2; +{ + + if (frag1 == NULL) + return (FALSE); + else if (frag2 == NULL) + return (FALSE); + else if (frag1 == frag2) + return (TRUE); + else if (frag2->fr_type == rs_fill && frag2->fr_fix == 0) + return (is_same_frag (frag1, frag2->fr_next)); + else + return (FALSE); +} + +#ifdef OBJ_ELF +/* Build an entry in the UNWIND subspace from the given function + attributes in CALL_INFO. This is not needed for SOM as using + R_ENTRY and R_EXIT relocations allow the linker to handle building + of the unwind spaces. */ + +static void +pa_build_unwind_subspace (call_info) + struct call_info *call_info; +{ + asection *seg, *save_seg; + subsegT save_subseg; + unsigned int unwind; + int reloc; + char *p; + + if ((bfd_get_section_flags (stdoutput, now_seg) + & (SEC_ALLOC | SEC_LOAD | SEC_READONLY)) + != (SEC_ALLOC | SEC_LOAD | SEC_READONLY)) + return; + + reloc = R_PARISC_SEGREL32; + save_seg = now_seg; + save_subseg = now_subseg; + /* Get into the right seg/subseg. This may involve creating + the seg the first time through. Make sure to have the + old seg/subseg so that we can reset things when we are done. */ + seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME); + if (seg == ASEC_NULL) + { + seg = subseg_new (UNWIND_SECTION_NAME, 0); + bfd_set_section_flags (stdoutput, seg, + SEC_READONLY | SEC_HAS_CONTENTS + | SEC_LOAD | SEC_RELOC | SEC_ALLOC | SEC_DATA); + bfd_set_section_alignment (stdoutput, seg, 2); + } + + subseg_set (seg, 0); + + /* Get some space to hold relocation information for the unwind + descriptor. */ + p = frag_more (16); + + /* Relocation info. for start offset of the function. */ + md_number_to_chars (p, 0, 4); + fix_new_hppa (frag_now, p - frag_now->fr_literal, 4, + call_info->start_symbol, (offsetT) 0, + (expressionS *) NULL, 0, reloc, + e_fsel, 32, 0, 0); + + /* Relocation info. for end offset of the function. + + Because we allow reductions of 32bit relocations for ELF, this will be + reduced to section_sym + offset which avoids putting the temporary + symbol into the symbol table. It (should) end up giving the same + value as call_info->start_symbol + function size once the linker is + finished with its work. */ + md_number_to_chars (p + 4, 0, 4); + fix_new_hppa (frag_now, p + 4 - frag_now->fr_literal, 4, + call_info->end_symbol, (offsetT) 0, + (expressionS *) NULL, 0, reloc, + e_fsel, 32, 0, 0); + + /* Dump the descriptor. */ + unwind = UNWIND_LOW32 (&call_info->ci_unwind.descriptor); + md_number_to_chars (p + 8, unwind, 4); + + unwind = UNWIND_HIGH32 (&call_info->ci_unwind.descriptor); + md_number_to_chars (p + 12, unwind, 4); + + /* Return back to the original segment/subsegment. */ + subseg_set (save_seg, save_subseg); +} +#endif + +/* Process a .CALLINFO pseudo-op. This information is used later + to build unwind descriptors and maybe one day to support + .ENTER and .LEAVE. */ + +static void +pa_callinfo (unused) + int unused ATTRIBUTE_UNUSED; +{ + char *name, c, *p; + int temp; + +#ifdef OBJ_SOM + /* We must have a valid space and subspace. */ + pa_check_current_space_and_subspace (); +#endif + + /* .CALLINFO must appear within a procedure definition. */ + if (!within_procedure) + as_bad (_(".callinfo is not within a procedure definition")); + + /* Mark the fact that we found the .CALLINFO for the + current procedure. */ + callinfo_found = TRUE; + + /* Iterate over the .CALLINFO arguments. */ + while (!is_end_of_statement ()) + { + name = input_line_pointer; + c = get_symbol_end (); + /* Frame size specification. */ + if ((strncasecmp (name, "frame", 5) == 0)) + { + p = input_line_pointer; + *p = c; + input_line_pointer++; + temp = get_absolute_expression (); + if ((temp & 0x3) != 0) + { + as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp); + temp = 0; + } + + /* callinfo is in bytes and unwind_desc is in 8 byte units. */ + last_call_info->ci_unwind.descriptor.frame_size = temp / 8; + + } + /* Entry register (GR, GR and SR) specifications. */ + else if ((strncasecmp (name, "entry_gr", 8) == 0)) + { + p = input_line_pointer; + *p = c; + input_line_pointer++; + temp = get_absolute_expression (); + /* The HP assembler accepts 19 as the high bound for ENTRY_GR + even though %r19 is caller saved. I think this is a bug in + the HP assembler, and we are not going to emulate it. */ + if (temp < 3 || temp > 18) + as_bad (_("Value for ENTRY_GR must be in the range 3..18\n")); + last_call_info->ci_unwind.descriptor.entry_gr = temp - 2; + } + else if ((strncasecmp (name, "entry_fr", 8) == 0)) + { + p = input_line_pointer; + *p = c; + input_line_pointer++; + temp = get_absolute_expression (); + /* Similarly the HP assembler takes 31 as the high bound even + though %fr21 is the last callee saved floating point register. */ + if (temp < 12 || temp > 21) + as_bad (_("Value for ENTRY_FR must be in the range 12..21\n")); + last_call_info->ci_unwind.descriptor.entry_fr = temp - 11; + } + else if ((strncasecmp (name, "entry_sr", 8) == 0)) + { + p = input_line_pointer; + *p = c; + input_line_pointer++; + temp = get_absolute_expression (); + if (temp != 3) + as_bad (_("Value for ENTRY_SR must be 3\n")); + } + /* Note whether or not this function performs any calls. */ + else if ((strncasecmp (name, "calls", 5) == 0) || + (strncasecmp (name, "caller", 6) == 0)) + { + p = input_line_pointer; + *p = c; + } + else if ((strncasecmp (name, "no_calls", 8) == 0)) + { + p = input_line_pointer; + *p = c; + } + /* Should RP be saved into the stack. */ + else if ((strncasecmp (name, "save_rp", 7) == 0)) + { + p = input_line_pointer; + *p = c; + last_call_info->ci_unwind.descriptor.save_rp = 1; + } + /* Likewise for SP. */ + else if ((strncasecmp (name, "save_sp", 7) == 0)) + { + p = input_line_pointer; + *p = c; + last_call_info->ci_unwind.descriptor.save_sp = 1; + } + /* Is this an unwindable procedure. If so mark it so + in the unwind descriptor. */ + else if ((strncasecmp (name, "no_unwind", 9) == 0)) + { + p = input_line_pointer; + *p = c; + last_call_info->ci_unwind.descriptor.cannot_unwind = 1; + } + /* Is this an interrupt routine. If so mark it in the + unwind descriptor. */ + else if ((strncasecmp (name, "hpux_int", 7) == 0)) + { + p = input_line_pointer; + *p = c; + last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1; + } + /* Is this a millicode routine. "millicode" isn't in my + assembler manual, but my copy is old. The HP assembler + accepts it, and there's a place in the unwind descriptor + to drop the information, so we'll accept it too. */ + else if ((strncasecmp (name, "millicode", 9) == 0)) + { + p = input_line_pointer; + *p = c; + last_call_info->ci_unwind.descriptor.millicode = 1; + } + else + { + as_bad (_("Invalid .CALLINFO argument: %s"), name); + *input_line_pointer = c; + } + if (!is_end_of_statement ()) + input_line_pointer++; + } + + demand_empty_rest_of_line (); +} + +#if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) +/* Switch to the text space. Like s_text, but delete our + label when finished. */ +static void +pa_text (unused) + int unused ATTRIBUTE_UNUSED; +{ +#ifdef OBJ_SOM + current_space = is_defined_space ("$TEXT$"); + current_subspace + = pa_subsegment_to_subspace (current_space->sd_seg, 0); +#endif + + s_text (0); + pa_undefine_label (); +} + +/* Switch to the data space. As usual delete our label. */ +static void +pa_data (unused) + int unused ATTRIBUTE_UNUSED; +{ +#ifdef OBJ_SOM + current_space = is_defined_space ("$PRIVATE$"); + current_subspace + = pa_subsegment_to_subspace (current_space->sd_seg, 0); +#endif + s_data (0); + pa_undefine_label (); +} + +/* This is different than the standard GAS s_comm(). On HP9000/800 machines, + the .comm pseudo-op has the following symtax: + +