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| author | Richard Sandiford <rsandifo@nildram.co.uk> | 2006-10-20 07:59:44 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@nildram.co.uk> | 2006-10-20 07:59:44 +0000 |
| commit | fc5066f82d285aa5db04e4d17b731679f3459ad6 (patch) | |
| tree | 21016ec0f303f9d0e5bfa22a09268359c7680f84 | |
| parent | 1bb025e512f3590789a6d685c375dd3c4f732440 (diff) | |
| download | binutils-redhat-fc5066f82d285aa5db04e4d17b731679f3459ad6.tar.gz | |
bfd/
* elfxx-mips.c (_bfd_mips_elf_modify_segment_map): Don't extend
PT_DYNAMIC on GNU/Linux targets.
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elfxx-mips.c | 14 |
2 files changed, 17 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 304783a34f..d00759366b 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,10 @@ 2006-10-20 Richard Sandiford <richard@codesourcery.com> + * elfxx-mips.c (_bfd_mips_elf_modify_segment_map): Don't extend + PT_DYNAMIC on GNU/Linux targets. + +2006-10-20 Richard Sandiford <richard@codesourcery.com> + * elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Make the size of .rel.dyn reflect the value of DT_RELSZ. diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index 34a06c8df4..5483cf2b02 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -9329,8 +9329,18 @@ _bfd_mips_elf_modify_segment_map (bfd *abfd, m->p_flags_valid = 1; } } - if (m != NULL - && m->count == 1 && strcmp (m->sections[0]->name, ".dynamic") == 0) + /* GNU/Linux binaries do not need the extended PT_DYNAMIC section. + glibc's dynamic linker has traditionally derived the number of + tags from the p_filesz field, and sometimes allocates stack + arrays of that size. An overly-big PT_DYNAMIC segment can + be actively harmful in such cases. Making PT_DYNAMIC contain + other sections can also make life hard for the prelinker, + which might move one of the other sections to a different + PT_LOAD segment. */ + if (SGI_COMPAT (abfd) + && m != NULL + && m->count == 1 + && strcmp (m->sections[0]->name, ".dynamic") == 0) { static const char *sec_names[] = { |