diff options
Diffstat (limited to 'bfd/elf64-sparc.c')
| -rw-r--r-- | bfd/elf64-sparc.c | 141 |
1 files changed, 76 insertions, 65 deletions
diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c index e121126bc91..0742e22790d 100644 --- a/bfd/elf64-sparc.c +++ b/bfd/elf64-sparc.c @@ -47,9 +47,9 @@ static void sparc64_elf_info_to_howto static void sparc64_elf_build_plt PARAMS ((bfd *, unsigned char *, int)); static bfd_vma sparc64_elf_plt_entry_offset - PARAMS ((int)); + PARAMS ((bfd_vma)); static bfd_vma sparc64_elf_plt_ptr_offset - PARAMS ((int, int)); + PARAMS ((bfd_vma, bfd_vma)); static boolean sparc64_elf_check_relocs PARAMS ((bfd *, struct bfd_link_info *, asection *sec, @@ -177,7 +177,7 @@ struct elf_reloc_map { unsigned char elf_reloc_val; }; -static CONST struct elf_reloc_map sparc_reloc_map[] = +static const struct elf_reloc_map sparc_reloc_map[] = { { BFD_RELOC_NONE, R_SPARC_NONE, }, { BFD_RELOC_16, R_SPARC_16, }, @@ -294,13 +294,12 @@ sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic) bfd_size_type count; arelent *relents; - allocated = (PTR) bfd_malloc ((size_t) rel_hdr->sh_size); + allocated = (PTR) bfd_malloc (rel_hdr->sh_size); if (allocated == NULL) goto error_return; if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 - || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd) - != rel_hdr->sh_size)) + || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size) goto error_return; native_relocs = (bfd_byte *) allocated; @@ -385,6 +384,7 @@ sparc64_elf_slurp_reloc_table (abfd, asect, symbols, dynamic) struct bfd_elf_section_data * const d = elf_section_data (asect); Elf_Internal_Shdr *rel_hdr; Elf_Internal_Shdr *rel_hdr2; + bfd_size_type amt; if (asect->relocation != NULL) return true; @@ -415,9 +415,9 @@ sparc64_elf_slurp_reloc_table (abfd, asect, symbols, dynamic) rel_hdr2 = NULL; } - asect->relocation = ((arelent *) - bfd_alloc (abfd, - asect->reloc_count * 2 * sizeof (arelent))); + amt = asect->reloc_count; + amt *= 2 * sizeof (arelent); + asect->relocation = (arelent *) bfd_alloc (abfd, amt); if (asect->relocation == NULL) return false; @@ -653,9 +653,9 @@ sparc64_elf_bfd_link_hash_table_create (abfd) bfd *abfd; { struct sparc64_elf_link_hash_table *ret; + bfd_size_type amt = sizeof (struct sparc64_elf_link_hash_table); - ret = ((struct sparc64_elf_link_hash_table *) - bfd_zalloc (abfd, sizeof (struct sparc64_elf_link_hash_table))); + ret = (struct sparc64_elf_link_hash_table *) bfd_zalloc (abfd, amt); if (ret == (struct sparc64_elf_link_hash_table *) NULL) return NULL; @@ -773,8 +773,8 @@ sparc_elf_wdisp16_reloc (abfd, reloc_entry, symbol, data, input_section, if (status != bfd_reloc_other) return status; - insn = (insn & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); + insn &= ~ (bfd_vma) 0x303fff; + insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff); bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); if ((bfd_signed_vma) relocation < - 0x40000 @@ -812,7 +812,7 @@ sparc_elf_hix22_reloc (abfd, return status; relocation ^= MINUS_ONE; - insn = (insn & ~0x3fffff) | ((relocation >> 10) & 0x3fffff); + insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); if ((relocation & ~ (bfd_vma) 0xffffffff) != 0) @@ -848,7 +848,7 @@ sparc_elf_lox10_reloc (abfd, if (status != bfd_reloc_other) return status; - insn = (insn & ~0x1fff) | 0x1c00 | (relocation & 0x3ff); + insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff); bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); return bfd_reloc_ok; @@ -879,7 +879,7 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) We fill them with `illtrap 0' to force ld.so to do something. */ for (i = 0; i < PLT_HEADER_SIZE/4; ++i) - bfd_put_32 (output_bfd, 0, contents+i*4); + bfd_put_32 (output_bfd, (bfd_vma) 0, contents+i*4); /* The first 32768 entries are close enough to plt1 to get there via a straight branch. */ @@ -895,14 +895,14 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) /* ba,a,pt %xcc, plt1 */ ba = 0x30680000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff); - bfd_put_32 (output_bfd, sethi, entry); - bfd_put_32 (output_bfd, ba, entry+4); - bfd_put_32 (output_bfd, nop, entry+8); - bfd_put_32 (output_bfd, nop, entry+12); - bfd_put_32 (output_bfd, nop, entry+16); - bfd_put_32 (output_bfd, nop, entry+20); - bfd_put_32 (output_bfd, nop, entry+24); - bfd_put_32 (output_bfd, nop, entry+28); + bfd_put_32 (output_bfd, (bfd_vma) sethi, entry); + bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28); } /* Now the tricky bit. Entries 32768 and higher are grouped in blocks of @@ -923,14 +923,20 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) /* ldx [%o7 + ptr - entry+4], %g1 */ ldx = 0xc25be000 | ((ptr - entry+4) & 0x1fff); - bfd_put_32 (output_bfd, 0x8a10000f, entry); /* mov %o7,%g5 */ - bfd_put_32 (output_bfd, 0x40000002, entry+4); /* call .+8 */ - bfd_put_32 (output_bfd, nop, entry+8); /* nop */ - bfd_put_32 (output_bfd, ldx, entry+12); /* ldx [%o7+P],%g1 */ - bfd_put_32 (output_bfd, 0x83c3c001, entry+16); /* jmpl %o7+%g1,%g1 */ - bfd_put_32 (output_bfd, 0x9e100005, entry+20); /* mov %g5,%o7 */ - - bfd_put_64 (output_bfd, contents - (entry+4), ptr); + /* mov %o7,%g5 + call .+8 + nop + ldx [%o7+P],%g1 + jmpl %o7+%g1,%g1 + mov %g5,%o7 */ + bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry); + bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8); + bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12); + bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16); + bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20); + + bfd_put_64 (output_bfd, (bfd_vma) (contents - (entry + 4)), ptr); } } } @@ -939,9 +945,9 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) static bfd_vma sparc64_elf_plt_entry_offset (index) - int index; + bfd_vma index; { - int block, ofs; + bfd_vma block, ofs; if (index < LARGE_PLT_THRESHOLD) return index * PLT_ENTRY_SIZE; @@ -951,22 +957,21 @@ sparc64_elf_plt_entry_offset (index) block = (index - LARGE_PLT_THRESHOLD) / 160; ofs = (index - LARGE_PLT_THRESHOLD) % 160; - return ((bfd_vma) (LARGE_PLT_THRESHOLD + block*160) * PLT_ENTRY_SIZE - + ofs * 6*4); + return (LARGE_PLT_THRESHOLD + block * 160) * PLT_ENTRY_SIZE + ofs * 6 * 4; } static bfd_vma sparc64_elf_plt_ptr_offset (index, max) - int index, max; + bfd_vma index; + bfd_vma max; { - int block, ofs, last; + bfd_vma block, ofs, last; BFD_ASSERT(index >= LARGE_PLT_THRESHOLD); /* See above for details. */ - block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) - + LARGE_PLT_THRESHOLD; + block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) + LARGE_PLT_THRESHOLD; ofs = index - block; if (block + 160 > max) last = (max - LARGE_PLT_THRESHOLD) % 160; @@ -1087,10 +1092,11 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) symbol. */ if (local_got_offsets == NULL) { - size_t size; + bfd_size_type size; register unsigned int i; - size = symtab_hdr->sh_info * sizeof (bfd_vma); + size = symtab_hdr->sh_info; + size *= sizeof (bfd_vma); local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); if (local_got_offsets == NULL) return false; @@ -1768,35 +1774,37 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) must add the entries now so that we get the correct size for the .dynamic section. The DT_DEBUG entry is filled in by the dynamic linker and used by the debugger. */ +#define add_dynamic_entry(TAG, VAL) \ + bfd_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL)) + int reg; struct sparc64_elf_app_reg * app_regs; struct bfd_strtab_hash *dynstr; struct elf_link_hash_table *eht = elf_hash_table (info); - if (! info->shared) + if (!info->shared) { - if (! bfd_elf64_add_dynamic_entry (info, DT_DEBUG, 0)) + if (!add_dynamic_entry (DT_DEBUG, 0)) return false; } if (relplt) { - if (! bfd_elf64_add_dynamic_entry (info, DT_PLTGOT, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_PLTRELSZ, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_PLTREL, DT_RELA) - || ! bfd_elf64_add_dynamic_entry (info, DT_JMPREL, 0)) + if (!add_dynamic_entry (DT_PLTGOT, 0) + || !add_dynamic_entry (DT_PLTRELSZ, 0) + || !add_dynamic_entry (DT_PLTREL, DT_RELA) + || !add_dynamic_entry (DT_JMPREL, 0)) return false; } - if (! bfd_elf64_add_dynamic_entry (info, DT_RELA, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_RELASZ, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_RELAENT, - sizeof (Elf64_External_Rela))) + if (!add_dynamic_entry (DT_RELA, 0) + || !add_dynamic_entry (DT_RELASZ, 0) + || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela))) return false; if (info->flags & DF_TEXTREL) { - if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0)) + if (!add_dynamic_entry (DT_TEXTREL, 0)) return false; } @@ -1810,7 +1818,7 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) { struct elf_link_local_dynamic_entry *entry, *e; - if (! bfd_elf64_add_dynamic_entry (info, DT_SPARC_REGISTER, 0)) + if (!add_dynamic_entry (DT_SPARC_REGISTER, 0)) return false; entry = (struct elf_link_local_dynamic_entry *) @@ -1847,6 +1855,7 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) eht->dynsymcount++; } } +#undef add_dynamic_entry return true; } @@ -2365,7 +2374,8 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, Note this is different behaviour to the 32-bit linker, which both adds the contents and ignores the addend. So clear the location. */ - bfd_put_64 (output_bfd, 0, sgot->contents + off); + bfd_put_64 (output_bfd, (bfd_vma) 0, + sgot->contents + off); /* We need to generate a R_SPARC_RELATIVE reloc for the dynamic linker. */ @@ -2431,7 +2441,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info); x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x1fff) | (relocation & 0x1fff); + x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff); bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_check_overflow (howto->complain_on_overflow, @@ -2452,8 +2462,9 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation -= rel->r_offset; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); + x &= ~(bfd_vma) 0x303fff; + x |= ((((relocation >> 2) & 0xc000) << 6) + | ((relocation >> 2) & 0x3fff)); bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_check_overflow (howto->complain_on_overflow, @@ -2471,7 +2482,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = relocation ^ MINUS_ONE; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x3fffff) | ((relocation >> 10) & 0x3fffff); + x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_check_overflow (howto->complain_on_overflow, @@ -2489,7 +2500,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = (relocation & 0x3ff) | 0x1c00; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x1fff) | relocation; + x = (x & ~(bfd_vma) 0x1fff) | relocation; bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_reloc_ok; @@ -2578,7 +2589,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, || reg == G0 || reg == O7) break; - bfd_put_32 (input_bfd, INSN_NOP, + bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP, contents + rel->r_offset + 4); } break; @@ -2683,7 +2694,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) } else { - int max = splt->_raw_size / PLT_ENTRY_SIZE; + bfd_vma max = splt->_raw_size / PLT_ENTRY_SIZE; rela.r_offset = sparc64_elf_plt_ptr_offset (h->plt.offset, max); rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4) -(splt->output_section->vma + splt->output_offset); @@ -2729,7 +2740,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) rela.r_offset = (sgot->output_section->vma + sgot->output_offset - + (h->got.offset &~ 1)); + + (h->got.offset &~ (bfd_vma) 1)); /* If this is a -Bsymbolic link, and the symbol is defined locally, we just want to emit a RELATIVE reloc. Likewise if @@ -2871,8 +2882,8 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info) /* Initialize the contents of the .plt section. */ if (splt->_raw_size > 0) { - sparc64_elf_build_plt(output_bfd, splt->contents, - splt->_raw_size / PLT_ENTRY_SIZE); + sparc64_elf_build_plt (output_bfd, splt->contents, + (int) (splt->_raw_size / PLT_ENTRY_SIZE)); } elf_section_data (splt->output_section)->this_hdr.sh_entsize = |