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| author | Alan Modra <amodra@gmail.com> | 2018-08-09 22:53:00 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2019-05-24 10:28:07 +0930 |
| commit | 04bdff6a76b863e61ee46375dd7cdc9adfb75540 (patch) | |
| tree | 2eca194aaa66a6a9b01295e073bfbb0b4a55a9e7 /bfd/ChangeLog | |
| parent | 4a421c53cf609d68fe956c2e7270d34c0ab8500f (diff) | |
| download | gdb-04bdff6a76b863e61ee46375dd7cdc9adfb75540.zip gdb-04bdff6a76b863e61ee46375dd7cdc9adfb75540.tar.gz gdb-04bdff6a76b863e61ee46375dd7cdc9adfb75540.tar.bz2 | |
PowerPC notoc linkage stubs
Use pcrel addressing instructions in linkage stubs.
bfd/
* elf64-ppc.c: Comment on powerxx _notoc stub variants.
(LI_R11_0, LIS_R11, ORI_R11_R11_0, SLDI_R11_R11_34): Define.
(PADDI_R12_PC, PLD_R12_PC, D34, HA34): Define.
(struct ppc_link_hash_table): Add powerxx_stubs.
(ppc64_elf_check_relocs): Set powerxx_stubs.
(build_powerxx_offset, size_powerxx_offset),
(num_relocs_for_powerxx_offset),
(emit_relocs_for_powerxx_offset): New functions.
(plt_stub_size): Size powerxx stubs.
(ppc_build_one_stub): Emit powerxx stubs.
(ppc_size_one_stub): Size powerxx stubs. Omit .eh_frame for
powerxx stubs.
ld/
* testsuite/ld-powerpc/notoc2.d,
* testsuite/ld-powerpc/notoc2.s: New test.
* testsuite/ld-powerpc/powerpc.exp: Run it.
Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0e21664..a21805f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,20 @@ 2019-05-24 Alan Modra <amodra@gmail.com> + * elf64-ppc.c: Comment on powerxx _notoc stub variants. + (LI_R11_0, LIS_R11, ORI_R11_R11_0, SLDI_R11_R11_34): Define. + (PADDI_R12_PC, PLD_R12_PC, D34, HA34): Define. + (struct ppc_link_hash_table): Add powerxx_stubs. + (ppc64_elf_check_relocs): Set powerxx_stubs. + (build_powerxx_offset, size_powerxx_offset), + (num_relocs_for_powerxx_offset), + (emit_relocs_for_powerxx_offset): New functions. + (plt_stub_size): Size powerxx stubs. + (ppc_build_one_stub): Emit powerxx stubs. + (ppc_size_one_stub): Size powerxx stubs. Omit .eh_frame for + powerxx stubs. + +2019-05-24 Alan Modra <amodra@gmail.com> + * elf64-ppc.c (ppc64_elf_check_relocs): Set has_gotrel for R_PPC64_GOT_PCREL34. (xlate_pcrel_opt): New function. |