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| author | Alan Modra <amodra@gmail.com> | 2021-03-20 10:22:37 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2021-03-20 10:35:18 +1030 |
| commit | 15407e7e0d42a46de5534df22eec933fc45178a3 (patch) | |
| tree | 82ce351900575c29f868e779a046e98d803ac73c | |
| parent | 6536577167960d0d98ee5d0ccbb3ba70c2db2f9a (diff) | |
| download | gdb-15407e7e0d42a46de5534df22eec933fc45178a3.zip gdb-15407e7e0d42a46de5534df22eec933fc45178a3.tar.gz gdb-15407e7e0d42a46de5534df22eec933fc45178a3.tar.bz2 | |
DWARF LTO debug sections vs. .stabstr
The exception for debug sections in clearing SEC_EXCLUDE when
relocatable was really for one specific debug section, so let's make
it do just that.
bfd/
PR 27590
* elf.c (_bfd_elf_make_section_from_shdr): Remove SHF_EXCLUDE
test for .gnu.debuglto*.
ld/
PR 27590
* ldlang.c (lang_gc_sections): Clear SEC_EXCLUDE when relocatable
for all sections except .stabstr.
| -rw-r--r-- | bfd/ChangeLog | 8 | ||||
| -rw-r--r-- | bfd/elf.c | 5 | ||||
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/ldlang.c | 5 |
4 files changed, 17 insertions, 7 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2e43a4d..90ec96b 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,7 +1,13 @@ +2021-03-20 Alan Modra <amodra@gmail.com> + + PR 27590 + * elf.c (_bfd_elf_make_section_from_shdr): Remove SHF_EXCLUDE + test for .gnu.debuglto*. + 2021-03-18 H.J. Lu <hongjiu.lu@intel.com> PR ld/27590 - * elf.c (_bfd_elf_make_section_from_shdr): Treate + * elf.c (_bfd_elf_make_section_from_shdr): Treat .gnu.debuglto_.debug_ section as debugging section unless it is marked with SHF_EXCLUDE. * elflink.c (elf_create_symbuf): Revert commit 994b2513281. @@ -1085,10 +1085,7 @@ _bfd_elf_make_section_from_shdr (bfd *abfd, if (name [0] == '.') { if (strncmp (name, ".debug", 6) == 0 - /* NB: Treate .gnu.debuglto_.debug_ section as debugging - section unless it is marked with SHF_EXCLUDE. */ - || ((flags & SEC_EXCLUDE) == 0 - && strncmp (name, ".gnu.debuglto_.debug_", 21) == 0) + || strncmp (name, ".gnu.debuglto_.debug_", 21) == 0 || strncmp (name, ".gnu.linkonce.wi.", 17) == 0 || strncmp (name, ".zdebug", 7) == 0) flags |= SEC_DEBUGGING | SEC_ELF_OCTETS; diff --git a/ld/ChangeLog b/ld/ChangeLog index 8489a9d..0be65fc 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2021-03-20 Alan Modra <amodra@gmail.com> + + PR 27590 + * ldlang.c (lang_gc_sections): Clear SEC_EXCLUDE when relocatable + for all sections except .stabstr. + 2021-03-19 Alan Modra <amodra@gmail.com> PR 27590 diff --git a/ld/ldlang.c b/ld/ldlang.c index 684e1d2..df8a5d1 100644 --- a/ld/ldlang.c +++ b/ld/ldlang.c @@ -7565,7 +7565,7 @@ lang_gc_sections (void) lang_gc_sections_1 (statement_list.head); /* SEC_EXCLUDE is ignored when doing a relocatable link, except in - the special case of debug info. (See bfd/stabs.c) + the special case of .stabstr debug info. (See bfd/stabs.c) Twiddle the flag here, to simplify later linker code. */ if (bfd_link_relocatable (&link_info)) { @@ -7577,7 +7577,8 @@ lang_gc_sections (void) continue; #endif for (sec = f->the_bfd->sections; sec != NULL; sec = sec->next) - if ((sec->flags & SEC_DEBUGGING) == 0) + if ((sec->flags & SEC_DEBUGGING) == 0 + || strcmp (sec->name, ".stabstr") != 0) sec->flags &= ~SEC_EXCLUDE; } } |