X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-v850.c;h=119e5980852b4cb37d4ed8dad03c3253e80c914d;hb=5f771d47c711c5292df87c35ac726c0ac18a3820;hp=e71353df55f18b65d6609d8c63195bf337bef4c2;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c index e71353df55..119e598085 100644 --- a/bfd/elf32-v850.c +++ b/bfd/elf32-v850.c @@ -1,5 +1,5 @@ /* V850-specific support for 32-bit ELF - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -143,7 +143,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ v850_elf_reloc, /* special_function */ "R_V850_HI16_S", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ false), /* pcrel_offset */ @@ -158,7 +158,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ v850_elf_reloc, /* special_function */ "R_V850_HI16", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ false), /* pcrel_offset */ @@ -173,7 +173,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ v850_elf_reloc, /* special_function */ "R_V850_LO16", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ false), /* pcrel_offset */ @@ -188,7 +188,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ v850_elf_reloc, /* special_function */ "R_V850_32", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ false), /* pcrel_offset */ @@ -203,7 +203,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_V850_16", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ false), /* pcrel_offset */ @@ -218,7 +218,7 @@ static reloc_howto_type v850_elf_howto_table[] = complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_V850_8", /* name */ - true, /* partial_inplace */ + false, /* partial_inplace */ 0xff, /* src_mask */ 0xff, /* dst_mask */ false), /* pcrel_offset */ @@ -509,7 +509,7 @@ static const struct v850_elf_reloc_map v850_elf_reloc_map[] = /* Map a bfd relocation into the appropriate howto structure */ static reloc_howto_type * v850_elf_reloc_type_lookup (abfd, code) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; bfd_reloc_code_real_type code; { unsigned int i; @@ -533,7 +533,7 @@ v850_elf_reloc_type_lookup (abfd, code) /* Set the howto pointer for an V850 ELF reloc. */ static void v850_elf_info_to_howto_rel (abfd, cache_ptr, dst) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; arelent * cache_ptr; Elf32_Internal_Rel * dst; { @@ -547,7 +547,7 @@ v850_elf_info_to_howto_rel (abfd, cache_ptr, dst) /* Set the howto pointer for a V850 ELF reloc (type RELA). */ static void v850_elf_info_to_howto_rela (abfd, cache_ptr, dst) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; arelent * cache_ptr; Elf32_Internal_Rela *dst; { @@ -797,7 +797,6 @@ find_remembered_hi16s_reloc (addend, already_found) hi16s_location * entry; hi16s_location * previous = NULL; hi16s_location * prev; - int i; bfd_byte * addr; /* Search the table. Record the most recent entry that matches. */ @@ -1253,13 +1252,13 @@ v850_elf_perform_relocation (abfd, r_type, addend, address) /* Insert the addend into the instruction. */ static bfd_reloc_status_type v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; arelent * reloc; asymbol * symbol; - PTR data; + PTR data ATTRIBUTE_UNUSED; asection * isection; bfd * obfd; - char ** err; + char ** err ATTRIBUTE_UNUSED; { long relocation; @@ -1327,7 +1326,7 @@ v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err) /*ARGSUSED*/ static boolean v850_elf_is_local_label_name (abfd, name) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; const char * name; { return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.')) @@ -1342,7 +1341,7 @@ v850_elf_final_link_relocate (howto, input_bfd, output_bfd, addend, info, sym_sec, is_local) reloc_howto_type * howto; bfd * input_bfd; - bfd * output_bfd; + bfd * output_bfd ATTRIBUTE_UNUSED; asection * input_section; bfd_byte * contents; bfd_vma offset; @@ -1350,7 +1349,7 @@ v850_elf_final_link_relocate (howto, input_bfd, output_bfd, bfd_vma addend; struct bfd_link_info * info; asection * sym_sec; - int is_local; + int is_local ATTRIBUTE_UNUSED; { unsigned long r_type = howto->type; bfd_byte * hit_data = contents + offset; @@ -1369,6 +1368,10 @@ v850_elf_final_link_relocate (howto, input_bfd, output_bfd, + input_section->output_offset + offset); + /* If the sign extension will corrupt the value then we have overflowed. */ + if (((value & 0xff000000) != 0x0) && ((value & 0xff000000) != 0xff000000)) + return bfd_reloc_overflow; + value = SEXT24 (value); /* Only the bottom 24 bits of the PC are valid */ break; @@ -1713,10 +1716,10 @@ fprintf (stderr, "unknown: name: %s\n", h->root.root.string); static boolean v850_elf_gc_sweep_hook (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; + bfd *abfd ATTRIBUTE_UNUSED; + struct bfd_link_info *info ATTRIBUTE_UNUSED; + asection *sec ATTRIBUTE_UNUSED; + const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED; { /* No got and plt entries for v850-elf */ return true; @@ -1725,7 +1728,7 @@ v850_elf_gc_sweep_hook (abfd, info, sec, relocs) static asection * v850_elf_gc_mark_hook (abfd, info, rel, h, sym) bfd *abfd; - struct bfd_link_info *info; + struct bfd_link_info *info ATTRIBUTE_UNUSED; Elf_Internal_Rela *rel; struct elf_link_hash_entry *h; Elf_Internal_Sym *sym; @@ -1747,6 +1750,9 @@ v850_elf_gc_mark_hook (abfd, info, rel, h, sym) case bfd_link_hash_common: return h->root.u.c.p->section; + + default: + break; } } } @@ -1781,7 +1787,7 @@ v850_elf_object_p (abfd) static void v850_elf_final_write_processing (abfd, linker) bfd * abfd; - boolean linker; + boolean linker ATTRIBUTE_UNUSED; { unsigned long val; @@ -1934,8 +1940,8 @@ static asymbol * v850_elf_zcom_symbol_ptr; static boolean v850_elf_section_from_bfd_section (abfd, hdr, sec, retval) - bfd * abfd; - Elf32_Internal_Shdr * hdr; + bfd * abfd ATTRIBUTE_UNUSED; + Elf32_Internal_Shdr * hdr ATTRIBUTE_UNUSED; asection * sec; int * retval; { @@ -2053,10 +2059,10 @@ v850_elf_symbol_processing (abfd, asym) static boolean v850_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) bfd * abfd; - struct bfd_link_info * info; + struct bfd_link_info * info ATTRIBUTE_UNUSED; const Elf_Internal_Sym * sym; - const char ** namep; - flagword * flagsp; + const char ** namep ATTRIBUTE_UNUSED; + flagword * flagsp ATTRIBUTE_UNUSED; asection ** secp; bfd_vma * valp; { @@ -2114,9 +2120,9 @@ v850_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) /*ARGSIGNORED*/ static boolean v850_elf_link_output_symbol_hook (abfd, info, name, sym, input_sec) - bfd * abfd; - struct bfd_link_info * info; - const char * name; + bfd * abfd ATTRIBUTE_UNUSED; + struct bfd_link_info * info ATTRIBUTE_UNUSED; + const char * name ATTRIBUTE_UNUSED; Elf_Internal_Sym * sym; asection * input_sec; { @@ -2169,7 +2175,7 @@ v850_elf_section_from_shdr (abfd, hdr, name) section name, which is a hack, but ought to work. */ static boolean v850_elf_fake_sections (abfd, hdr, sec) - bfd * abfd; + bfd * abfd ATTRIBUTE_UNUSED; Elf32_Internal_Shdr * hdr; asection * sec; {