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| author | Tejas Belagod <Tejas.Belagod@arm.com> | 2021-10-28 15:44:42 +0100 |
|---|---|---|
| committer | Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> | 2021-10-28 15:56:02 +0100 |
| commit | 8c2999954bd3aa5853f553eb6a050dd38e6d9029 (patch) | |
| tree | 87d057cb1110b7568980730308d0545df3c26ca3 /gdb/maint.c | |
| parent | a1ff87d77ca7fa851170702fd972ae3d31f2e378 (diff) | |
| download | binutils-gdb-8c2999954bd3aa5853f553eb6a050dd38e6d9029.tar.gz | |
arm: add unwinder encoding support for PACBTI
This patch adds support for encoding the Return Address Authentication pseudo
register - '.save {ra_auth_code}' as defined by the DWARF ABI - in the
exception tables where the opcode is defined by the EHABI
gas/Changelog:
* config/tc-arm.c (arm_reg_type): Add new type REG_TYPE_PSEUDO.
(reg_expected_msgs): Add message for pseudo reg type.
(reg_list_els): Add new reg list type REGLIST_PSEUDO.
(parse_reg_list): Handle new REGLIST_PSEUDO type.
(s_arm_unwind_save_pseudo): Encode pseudo reg list save in exception
tables.
(s_arm_unwind_save): Handle new REG_TYPE_PSEUDO.
(reg_names): Add ra_auth_code pseudo register.
* testsuite/gas/arm/unwind-pacbti-m.s: New test.
* testsuite/gas/arm/unwind-pacbti-m.d: New test.
* testsuite/gas/arm/unwind-pacbti-m-readelf.d: New test.
Diffstat (limited to 'gdb/maint.c')
0 files changed, 0 insertions, 0 deletions