From 1f70368c21a866f7379c02da316ae0e2f355d610 Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Wed, 18 Sep 2002 02:39:43 +0000 Subject: [PATCH] * bfd-in.h (bfd_get_dynamic_symcount): Define. * bfd.c (struct _bfd): Add dynsymcount. * bfd-in2.h: Regenerated. * elf.c (_bfd_elf_canonicalize_dynamic_symtab): Set abfd->dynsymcount. * elfcode.h (elf_slurp_reloc_table_from_section): Check for overflow. --- bfd/ChangeLog | 10 ++++++++++ bfd/bfd-in.h | 2 ++ bfd/bfd-in2.h | 6 +++++- bfd/bfd.c | 3 +++ bfd/elf.c | 6 +++++- bfd/elfcode.h | 7 +++++++ 6 files changed, 32 insertions(+), 2 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ce930f8..f0c5ef5 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,13 @@ +2002-09-17 Daniel Jacobowitz + + * bfd-in.h (bfd_get_dynamic_symcount): Define. + * bfd.c (struct _bfd): Add dynsymcount. + * bfd-in2.h: Regenerated. + * elf.c (_bfd_elf_canonicalize_dynamic_symtab): Set + abfd->dynsymcount. + * elfcode.h (elf_slurp_reloc_table_from_section): Check + for overflow. + 2002-09-17 Stan Cox * elf64-mips.c (mips_elf64_be_swap_reloca_out): Handle type2 and type3. diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h index 3941906..f30e20d 100644 --- a/bfd/bfd-in.h +++ b/bfd/bfd-in.h @@ -529,6 +529,8 @@ extern void warn_deprecated #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) #define bfd_count_sections(abfd) ((abfd)->section_count) +#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) + #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true) diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index abb6405..b6edd0a 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -535,6 +535,8 @@ extern void warn_deprecated #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) #define bfd_count_sections(abfd) ((abfd)->section_count) +#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) + #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true) @@ -1629,7 +1631,6 @@ enum bfd_architecture bfd_arch_v850, /* NEC V850 */ #define bfd_mach_v850 0 #define bfd_mach_v850e 'E' -#define bfd_mach_v850ea 'A' bfd_arch_arc, /* ARC Cores */ #define bfd_mach_arc_5 0 #define bfd_mach_arc_6 1 @@ -3462,6 +3463,9 @@ struct _bfd /* Symbol table for output BFD (with symcount entries). */ struct symbol_cache_entry **outsymbols; + /* Used for slurped dynamic symbol tables. */ + unsigned int dynsymcount; + /* Pointer to structure which contains architecture information. */ const struct bfd_arch_info *arch_info; diff --git a/bfd/bfd.c b/bfd/bfd.c index 277c74a..cfd7772 100644 --- a/bfd/bfd.c +++ b/bfd/bfd.c @@ -128,6 +128,9 @@ CODE_FRAGMENT . {* Symbol table for output BFD (with symcount entries). *} . struct symbol_cache_entry **outsymbols; . +. {* Used for slurped dynamic symbol tables. *} +. unsigned int dynsymcount; +. . {* Pointer to structure which contains architecture information. *} . const struct bfd_arch_info *arch_info; . diff --git a/bfd/elf.c b/bfd/elf.c index 7f54909..b8a300e 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -5572,7 +5572,11 @@ _bfd_elf_canonicalize_dynamic_symtab (abfd, alocation) asymbol **alocation; { struct elf_backend_data *bed = get_elf_backend_data (abfd); - return bed->s->slurp_symbol_table (abfd, alocation, true); + long symcount = bed->s->slurp_symbol_table (abfd, alocation, true); + + if (symcount >= 0) + bfd_get_dynamic_symcount (abfd) = symcount; + return symcount; } /* Return the size required for the dynamic reloc entries. Any diff --git a/bfd/elfcode.h b/bfd/elfcode.h index eb667eb..7f9ed5f 100644 --- a/bfd/elfcode.h +++ b/bfd/elfcode.h @@ -1421,6 +1421,13 @@ elf_slurp_reloc_table_from_section (abfd, asect, rel_hdr, reloc_count, if (ELF_R_SYM (rela.r_info) == 0) relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + else if (ELF_R_SYM (rela.r_info) > bfd_get_dynamic_symcount (abfd)) + { + (*_bfd_error_handler) + (_("%s(%s): relocation %d has invalid symbol index %ld"), + abfd->filename, asect->name, i, ELF_R_SYM (rela.r_info)); + relent->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; + } else { asymbol **ps, *s; -- 2.7.4