[PATCH v1 07/14] clean-up create_obj_attrs_section: comment about .gnu.attributes VS .gnu.build.attributes
Matthieu Longo
matthieu.longo@arm.com
Thu Feb 27 10:47:32 GMT 2025
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Thu Feb 27 10:47:32 GMT 2025
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---
gas/write.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/gas/write.c b/gas/write.c
index 325c4402061..c725841d505 100644
--- a/gas/write.c
+++ b/gas/write.c
@@ -1918,27 +1918,27 @@ subsegs_finish (void)
}
#ifdef OBJ_ELF
+
static void
create_obj_attrs_section (void)
{
- segT s;
- char *p;
- offsetT size;
- const char *name;
-
- size = bfd_elf_obj_attr_size (stdoutput);
+ offsetT size = bfd_elf_obj_attr_size (stdoutput);
if (size == 0)
return;
- name = get_elf_backend_data (stdoutput)->obj_attrs_section;
- if (!name)
+ const char *name = get_elf_backend_data (stdoutput)->obj_attrs_section;
+ if (name == NULL)
+ /* Note: .gnu.attributes is different from GNU_BUILD_ATTRS_SECTION_NAME
+ (a.k.a .gnu.build.attributes). The first one seems to be used by some
+ backends like PowerPC to store the build attributes. The second one is
+ used to store build notes. */
name = ".gnu.attributes";
- s = subseg_new (name, 0);
+ segT s = subseg_new (name, 0);
elf_section_type (s)
= get_elf_backend_data (stdoutput)->obj_attrs_section_type;
bfd_set_section_flags (s, SEC_READONLY | SEC_DATA);
frag_now_fix ();
- p = frag_more (size);
+ char *p = frag_more (size);
bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
subsegs_finish_section (s);
--
2.48.1
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