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| author | Alan Modra <amodra@gmail.com> | 2009-01-31 11:44:38 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2009-01-31 11:44:38 +0000 |
| commit | 010e5ae26efd7221bd797a2b6726eb671cb2528e (patch) | |
| tree | 4f67226b3c29c107120006a9eb8678a9eaa6d568 /bfd | |
| parent | 5d27446dac0017fcbea7ad53ba0aa713575d0354 (diff) | |
| download | gdb-010e5ae26efd7221bd797a2b6726eb671cb2528e.zip gdb-010e5ae26efd7221bd797a2b6726eb671cb2528e.tar.gz gdb-010e5ae26efd7221bd797a2b6726eb671cb2528e.tar.bz2 | |
binutils/
* NEWS: Mention --as-needed change.
ld/
* ld.texinfo (--as-needed): Update.
bfd/
* elflink.c (on_needed_list): New function.
(elf_link_add_object_symbols): Link in --as-needed libs if they
satisfy undefined symbols in other libs.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 17 |
2 files changed, 21 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index d47fbe2..ba07018 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2009-01-31 Alan Modra <amodra@bigpond.net.au> + + * elflink.c (on_needed_list): New function. + (elf_link_add_object_symbols): Link in --as-needed libs if they + satisfy undefined symbols in other libs. + 2009-01-30 Julian Brown <julian@codesourcery.com> * elf32-arm.c (bfd_elf32_arm_vfp11_erratum_scan): Skip BFDs with diff --git a/bfd/elflink.c b/bfd/elflink.c index 927f1c4..8685a2f 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -3199,6 +3199,16 @@ elf_add_dt_needed_tag (bfd *abfd, return 0; } +static bfd_boolean +on_needed_list (const char *soname, struct bfd_link_needed_list *needed) +{ + for (; needed != NULL; needed = needed->next) + if (strcmp (soname, needed->name) == 0) + return TRUE; + + return FALSE; +} + /* Sort symbol by value and section. */ static int elf_sort_symbol (const void *arg1, const void *arg2) @@ -4434,8 +4444,11 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) if (!add_needed && definition - && dynsym - && h->ref_regular) + && ((dynsym + && h->ref_regular) + || (h->ref_dynamic + && (elf_dyn_lib_class (abfd) & DYN_AS_NEEDED) != 0 + && !on_needed_list (elf_dt_name (abfd), htab->needed)))) { int ret; const char *soname = elf_dt_name (abfd); |