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| author | claziss <claziss@synopsys.com> | 2018-08-06 16:41:32 +0300 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gmail.com> | 2018-08-06 16:41:32 +0300 |
| commit | 2fd43d7870803bf0713f76118cc0fcb89407e873 (patch) | |
| tree | b04c7684d0f97fdc9bbba80cc6dc29bad0e64fdb /bfd/elf32-arc.c | |
| parent | db1e1b45b417dc3e7d37f401828afa18328d8508 (diff) | |
| download | gdb-2fd43d7870803bf0713f76118cc0fcb89407e873.zip gdb-2fd43d7870803bf0713f76118cc0fcb89407e873.tar.gz gdb-2fd43d7870803bf0713f76118cc0fcb89407e873.tar.bz2 | |
[ARC] Update merging attributes.
Some attributes were ignored during merging. Fix that, and add some
errors.
bfd/
2017-09-19 Claudiu Zissulescu <claziss@synopsys.com>
* elf32-arc.c (arc_elf_merge_attributes): Fix merge attributes.
ld/
2017-09-19 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/ld-arc/attr-merge-6.d: New file.
* testsuite/ld-arc/attr-merge-6a.s: Likewise.
* testsuite/ld-arc/attr-merge-6b.s: Likewise.
* testsuite/ld-arc/attr-merge-6bis.d: Likewise.
Diffstat (limited to 'bfd/elf32-arc.c')
| -rw-r--r-- | bfd/elf32-arc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/bfd/elf32-arc.c b/bfd/elf32-arc.c index aaa2c3b..25c9666 100644 --- a/bfd/elf32-arc.c +++ b/bfd/elf32-arc.c @@ -578,7 +578,6 @@ arc_elf_merge_attributes (bfd *ibfd, struct bfd_link_info *info) bfd_boolean result = TRUE; const char *sec_name = get_elf_backend_data (ibfd)->obj_attrs_section; char *tagname = NULL; - int offset = 0; /* Skip the linker stubs file. This preserves previous behavior of accepting unknown attributes in the first input file - but @@ -732,7 +731,12 @@ arc_elf_merge_attributes (bfd *ibfd, struct bfd_link_info *info) out_attr[i].i = in_attr[i].i; break; + /* The CPU name is given by the vendor, just choose an + existing one if missing or different. There are no fail + criteria if they different or both missing. */ case Tag_ARC_CPU_name: + if (!out_attr[i].s && in_attr[i].s) + out_attr[i].s = _bfd_elf_attr_strdup (obfd, in_attr[i].s); break; case Tag_ARC_ABI_rf16: @@ -764,7 +768,9 @@ arc_elf_merge_attributes (bfd *ibfd, struct bfd_link_info *info) BFD_ASSERT (in_attr[i].i < 3); BFD_ASSERT (out_attr[i].i < 3); - if (out_attr[i].i != 0 && in_attr[i].i != 0 + if (out_attr[i].i == 0) + out_attr[i].i = in_attr[i].i; + else if (out_attr[i].i != 0 && in_attr[i].i != 0 && out_attr[i].i != in_attr[i].i) { _bfd_error_handler @@ -789,7 +795,9 @@ arc_elf_merge_attributes (bfd *ibfd, struct bfd_link_info *info) if (!tagname) tagname = "ABI exceptions"; - if (out_attr[i].i != 0 && in_attr[i].i != 0 + if (out_attr[i].i == 0) + out_attr[i].i = in_attr[i].i; + else if (out_attr[i].i != 0 && in_attr[i].i != 0 && out_attr[i].i != in_attr[i].i) { _bfd_error_handler |