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| author | H.J. Lu <hjl.tools@gmail.com> | 2013-01-18 22:50:30 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2013-01-18 22:50:30 +0000 |
| commit | 3bea1fcb8b8a9b3c2133c162fe4cd6c91f40cfdf (patch) | |
| tree | 33498089cae58727b371d062fc99963767b83672 /bfd/elf64-x86-64.c | |
| parent | c60797fda43722bb6fbd5ea8381e465ee6792493 (diff) | |
| download | gdb-3bea1fcb8b8a9b3c2133c162fe4cd6c91f40cfdf.zip gdb-3bea1fcb8b8a9b3c2133c162fe4cd6c91f40cfdf.tar.gz gdb-3bea1fcb8b8a9b3c2133c162fe4cd6c91f40cfdf.tar.bz2 | |
Resolve size relocation against non-zero TLS symbol
bfd/
* elf32-i386.c (elf_i386_allocate_dynrelocs): Clear pc_count for
non-zero TLS symbol.
(elf_i386_relocate_section): Resolve size relocation against
non-zero TLS symbol.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Clear pc_count
for non-zero TLS symbol.
(elf_x86_64_relocate_section): Resolve size relocation against
non-zero TLS symbol.
ld/testsuite/
* ld-size/size-10.rd: Updated.
* ld-size/size-8.rd: Likewise.
* ld-size/size32-2-i386.d: Likewise.
* ld-size/size32-2-x32.d: Likewise.
* ld-size/size32-2-x86-64.d: Likewise.
* ld-size/size64-2-x32.d: Likewise.
* ld-size/size64-2-x86-64.d: Likewise.
Diffstat (limited to 'bfd/elf64-x86-64.c')
| -rw-r--r-- | bfd/elf64-x86-64.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c index 79b6dc6..71f33e2 100644 --- a/bfd/elf64-x86-64.c +++ b/bfd/elf64-x86-64.c @@ -2400,6 +2400,24 @@ elf_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) if (eh->dyn_relocs == NULL) return TRUE; + /* Since pc_count for TLS symbol can only have size relocations and + we always resolve size relocation against non-zero TLS symbol, we + clear pc_count for non-zero TLS symbol. */ + if (h->type == STT_TLS && h->size != 0) + { + struct elf_dyn_relocs **pp; + + for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) + { + p->count -= p->pc_count; + p->pc_count = 0; + if (p->count == 0) + *pp = p->next; + else + pp = &p->next; + } + } + /* In the shared -Bsymbolic case, discard space allocated for dynamic pc-relative relocs against symbols which turn out to be defined in regular objects. For the normal shared case, discard @@ -3687,6 +3705,12 @@ elf_x86_64_relocate_section (bfd *output_bfd, case R_X86_64_SIZE64: /* Set to symbol size. */ relocation = st_size; + if (h && h->type == STT_TLS && st_size != 0) + { + /* Resolve size relocation against non-zero TLS symbol. */ + unresolved_reloc = FALSE; + break; + } goto direct; case R_X86_64_PC8: |