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| author | Alan Modra <amodra@gmail.com> | 2007-08-01 07:50:16 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2007-08-01 07:50:16 +0000 |
| commit | ad756e3f9e60f96d518d6dc2bb1a2e655e2e2913 (patch) | |
| tree | c2f7dd4c1c295d2b1c0ce53d0329c79c361c6edb /bfd/aoutx.h | |
| parent | f6e688f76be9d0327cabd52f5f75478abaace764 (diff) | |
| download | gdb-ad756e3f9e60f96d518d6dc2bb1a2e655e2e2913.zip gdb-ad756e3f9e60f96d518d6dc2bb1a2e655e2e2913.tar.gz gdb-ad756e3f9e60f96d518d6dc2bb1a2e655e2e2913.tar.bz2 | |
* aoutx.h (swap_ext_reloc_in): Set howto to NULL for unknown
r_type.
(swap_std_reloc_in): Likewise.
(aout_link_input_section_std): Likewise. Return with an error
on unexpected relocation type.
(aout_link_input_section_ext): Likewise.
Diffstat (limited to 'bfd/aoutx.h')
| -rw-r--r-- | bfd/aoutx.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/bfd/aoutx.h b/bfd/aoutx.h index 2b5507e..78b0594 100644 --- a/bfd/aoutx.h +++ b/bfd/aoutx.h @@ -2162,7 +2162,10 @@ NAME (aout, swap_ext_reloc_in) (bfd *abfd, >> RELOC_EXT_BITS_TYPE_SH_LITTLE); } - cache_ptr->howto = howto_table_ext + r_type; + if (r_type < TABLE_SIZE (howto_table_ext)) + cache_ptr->howto = howto_table_ext + r_type; + else + cache_ptr->howto = NULL; /* Base relative relocs are always against the symbol table, regardless of the setting of r_extern. r_extern just reflects @@ -2230,9 +2233,14 @@ NAME (aout, swap_std_reloc_in) (bfd *abfd, howto_idx = (r_length + 4 * r_pcrel + 8 * r_baserel + 16 * r_jmptable + 32 * r_relative); - BFD_ASSERT (howto_idx < TABLE_SIZE (howto_table_std)); - cache_ptr->howto = howto_table_std + howto_idx; - BFD_ASSERT (cache_ptr->howto->type != (unsigned int) -1); + if (howto_idx < TABLE_SIZE (howto_table_std)) + { + cache_ptr->howto = howto_table_std + howto_idx; + if (cache_ptr->howto->type == (unsigned int) -1) + cache_ptr->howto = NULL; + } + else + cache_ptr->howto = NULL; /* Base relative relocs are always against the symbol table, regardless of the setting of r_extern. r_extern just reflects @@ -3963,11 +3971,21 @@ aout_link_input_section_std (struct aout_final_link_info *finfo, howto_idx = (r_length + 4 * r_pcrel + 8 * r_baserel + 16 * r_jmptable + 32 * r_relative); - BFD_ASSERT (howto_idx < TABLE_SIZE (howto_table_std)); - howto = howto_table_std + howto_idx; + if (howto_idx < TABLE_SIZE (howto_table_std)) + howto = howto_table_std + howto_idx; + else + howto = NULL; } #endif + if (howto == NULL) + { + (*finfo->info->callbacks->einfo) + (_("%P: %B: unexpected relocation type\n"), input_bfd); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + if (relocatable) { /* We are generating a relocatable output file, and must @@ -4286,7 +4304,13 @@ aout_link_input_section_ext (struct aout_final_link_info *finfo, r_addend = GET_SWORD (input_bfd, rel->r_addend); - BFD_ASSERT (r_type < TABLE_SIZE (howto_table_ext)); + if (r_type >= TABLE_SIZE (howto_table_ext)) + { + (*finfo->info->callbacks->einfo) + (_("%P: %B: unexpected relocation type\n"), input_bfd); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } if (relocatable) { |