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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-12-01 04:55:24 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-12-02 03:55:10 -0800 |
| commit | 794f2bba0f338d467bbf9c55b5aba415ecd5e138 (patch) | |
| tree | b36f058ec24e9f353d9dae0589fcd3d4f8a83dee /bfd/elf32-i386.c | |
| parent | c808def421f383a226198751d93239ded2b0d21d (diff) | |
| download | binutils-gdb-794f2bba0f338d467bbf9c55b5aba415ecd5e138.tar.gz | |
x86: Skip __[start|stop]_SECNAME for --gc-sections -z start-stop-gc
Don't convert memory load to immediate load on __start_SECNAME and
__stop_SECNAME for --gc-sections -z start-stop-gc if all SECNAME
sections been garbage collected.
bfd/
PR ld/27491
* elf32-i386.c (elf_i386_convert_load_reloc): Skip __start_SECNAME
and __stop_SECNAME for --gc-sections -z start-stop-gc if the input
section been garbage collected.
* elf64-x86-64.c (elf_x86_64_convert_load_reloc): Likewise.
* elfxx-x86.h (elf_x86_start_stop_gc_p): New function.
ld/
PR ld/27491
* testsuite/ld-i386/i386.exp: Run PR ld/27491 tests.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-i386/pr27491-1.s: New file.
* testsuite/ld-i386/pr27491-1a.d: Likewise.
* testsuite/ld-i386/pr27491-1b.d: Likewise.
* testsuite/ld-i386/pr27491-1c.d: Likewise.
* testsuite/ld-i386/pr27491-2.d: Likewise.
* testsuite/ld-i386/pr27491-2.s: Likewise.
* testsuite/ld-i386/pr27491-3.d: Likewise.
* testsuite/ld-i386/pr27491-3.s: Likewise.
* testsuite/ld-i386/pr27491-4.d: Likewise.
* testsuite/ld-i386/pr27491-4a.s: Likewise.
* testsuite/ld-i386/pr27491-4b.s: Likewise.
* testsuite/ld-x86-64/pr27491-1.s: Likewise.
* testsuite/ld-x86-64/pr27491-1a.d: Likewise.
* testsuite/ld-x86-64/pr27491-1b.d: Likewise.
* testsuite/ld-x86-64/pr27491-1c.d: Likewise.
* testsuite/ld-x86-64/pr27491-2.d: Likewise.
* testsuite/ld-x86-64/pr27491-2.s: Likewise.
* testsuite/ld-x86-64/pr27491-3.d: Likewise.
* testsuite/ld-x86-64/pr27491-3.s: Likewise.
* testsuite/ld-x86-64/pr27491-4.d: Likewise.
* testsuite/ld-x86-64/pr27491-4a.s: Likewise.
* testsuite/ld-x86-64/pr27491-4b.s: Likewise.
Diffstat (limited to 'bfd/elf32-i386.c')
| -rw-r--r-- | bfd/elf32-i386.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 0d7f29097e4..db6d1accdbc 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -1393,6 +1393,11 @@ elf_i386_convert_load_reloc (bfd *abfd, Elf_Internal_Shdr *symtab_hdr, || h->root.type == bfd_link_hash_defweak) && local_ref)) { + /* Skip __start_SECNAME/__stop_SECNAME when --gc-sections + -z start-stop-gc are used. */ + if (elf_x86_start_stop_gc_p (link_info, h)) + return true; + convert_load: if (opcode == 0x8b) { |