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| author | H.J. Lu <hjl.tools@gmail.com> | 2006-04-05 13:37:32 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2006-04-05 13:37:32 +0000 |
| commit | c0d5a53d5200405a36d98646d8d3387154a21bf9 (patch) | |
| tree | eef5848af4b6ed05a7a0408ec7f411606682a519 /bfd | |
| parent | 580a2b6ef36f848f0661ecf07fdc6ae5c97470a4 (diff) | |
| download | gdb-c0d5a53d5200405a36d98646d8d3387154a21bf9.zip gdb-c0d5a53d5200405a36d98646d8d3387154a21bf9.tar.gz gdb-c0d5a53d5200405a36d98646d8d3387154a21bf9.tar.bz2 | |
2006-04-05 H.J. Lu <hongjiu.lu@intel.com>
PR ld/2411
* elflink.c (check_dynsym): New.
(elf_link_output_extsym): Use it.
(bfd_elf_final_link): Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elflink.c | 27 |
2 files changed, 34 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 9f371a8..ae9a4a7 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,12 @@ 2006-04-05 H.J. Lu <hongjiu.lu@intel.com> + PR ld/2411 + * elflink.c (check_dynsym): New. + (elf_link_output_extsym): Use it. + (bfd_elf_final_link): Likewise. + +2006-04-05 H.J. Lu <hongjiu.lu@intel.com> + PR ld/2404 * elflink.c (_bfd_elf_merge_symbol): Skip the default indirect symbol from the dynamic definition with the default version if diff --git a/bfd/elflink.c b/bfd/elflink.c index f3098ae..0900220 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -6204,6 +6204,24 @@ elf_link_output_sym (struct elf_final_link_info *finfo, return TRUE; } +/* Return TRUE if the dynamic symbol SYM in ABFD is supported. */ + +static bfd_boolean +check_dynsym (bfd *abfd, Elf_Internal_Sym *sym) +{ + if (sym->st_shndx > SHN_HIRESERVE) + { + /* The gABI doesn't support dynamic symbols in output sections + beyond 64k. */ + (*_bfd_error_handler) + (_("%B: Too many sections: %d (>= %d)"), + abfd, bfd_count_sections (abfd), SHN_LORESERVE); + bfd_set_error (bfd_error_nonrepresentable_section); + return FALSE; + } + return TRUE; +} + /* For DSOs loaded in via a DT_NEEDED entry, emulate ld.so in allowing an unsatisfied unversioned symbol in the DSO to match a versioned symbol that would normally require an explicit version. @@ -6636,6 +6654,11 @@ elf_link_output_extsym (struct elf_link_hash_entry *h, void *data) sym.st_name = h->dynstr_index; esym = finfo->dynsym_sec->contents + h->dynindx * bed->s->sizeof_sym; + if (! check_dynsym (finfo->output_bfd, &sym)) + { + eoinfo->failed = TRUE; + return FALSE; + } bed->s->swap_symbol_out (finfo->output_bfd, &sym, esym, 0); bucketcount = elf_hash_table (finfo->info)->bucketcount; @@ -8313,6 +8336,8 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info) indx = elf_section_data (s)->this_idx; BFD_ASSERT (indx > 0); sym.st_shndx = indx; + if (! check_dynsym (abfd, &sym)) + return FALSE; sym.st_value = s->vma; dest = dynsym + dynindx * bed->s->sizeof_sym; if (last_local < dynindx) @@ -8347,6 +8372,8 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info) sym.st_shndx = elf_section_data (s->output_section)->this_idx; + if (! check_dynsym (abfd, &sym)) + return FALSE; sym.st_value = (s->output_section->vma + s->output_offset + e->isym.st_value); |