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| author | Andrea Corallo <andrea.corallo@arm.com> | 2021-06-08 19:03:29 +0200 |
|---|---|---|
| committer | Andrea Corallo <andrea.corallo@arm.com> | 2021-07-26 14:18:24 +0200 |
| commit | 5c43020d83f9f3529e71fcd19f3f78e0abcbe5ed (patch) | |
| tree | ed692f9049d85590fb5d60e1601aa556b34d9079 /gas | |
| parent | be05908c0c043bac81134da8beb3415996ae2416 (diff) | |
| download | gdb-5c43020d83f9f3529e71fcd19f3f78e0abcbe5ed.zip gdb-5c43020d83f9f3529e71fcd19f3f78e0abcbe5ed.tar.gz gdb-5c43020d83f9f3529e71fcd19f3f78e0abcbe5ed.tar.bz2 | |
PATCH [9/10] arm: add 'pacg' instruction for Armv8.1-M pacbti extension
gas/
2021-06-11 Andrea Corallo <andrea.corallo@arm.com>
* config/tc-arm.c (T16_32_TAB): Add '_pacg'.
(do_t_pacbti_pacg): New function.
(insns): Define 'pacg' insn.
* testsuite/gas/arm/armv8_1-m-pacbti.d: Add 'pacg' test.
* testsuite/gas/arm/armv8_1-m-pacbti.s: Likewise.
opcodes/
2021-06-11 Andrea Corallo <andrea.corallo@arm.com>
* arm-dis.c (thumb32_opcodes): Add 'pacg'.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/config/tc-arm.c | 14 | ||||
| -rw-r--r-- | gas/testsuite/gas/arm/armv8_1-m-pacbti.d | 1 | ||||
| -rw-r--r-- | gas/testsuite/gas/arm/armv8_1-m-pacbti.s | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index cd65b25..40e9d2e 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -11513,6 +11513,7 @@ encode_thumb32_addr_mode (int i, bool is_t, bool is_d) X(_orrs, 4300, ea500000), \ X(_pac, 0000, f3af801d), \ X(_pacbti, 0000, f3af800d), \ + X(_pacg, 0000, fb60f000), \ X(_pop, bc00, e8bd0000), /* ldmia sp!,... */ \ X(_push, b400, e92d0000), /* stmdb sp!,... */ \ X(_rev, ba00, fa90f080), \ @@ -22357,6 +22358,18 @@ do_t_pacbti_nonop (void) inst.instruction |= inst.operands[2].reg; } +static void +do_t_pacbti_pacg (void) +{ + constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, pacbti_ext), + _(BAD_PACBTI)); + + inst.instruction = THUMB_OP32 (inst.instruction); + inst.instruction |= inst.operands[0].reg << 8; + inst.instruction |= inst.operands[1].reg << 16; + inst.instruction |= inst.operands[2].reg; +} + /* Overall per-instruction processing. */ @@ -26351,6 +26364,7 @@ static const struct asm_opcode insns[] = toU("bxaut", _bxaut, 3, (RR, RR, RR), t_pacbti_nonop), toU("pac", _pac, 3, (R12, LR, SP), t_pacbti), toU("pacbti", _pacbti, 3, (R12, LR, SP), t_pacbti), + toU("pacg", _pacg, 3, (RR, RR, RR), t_pacbti_pacg), toU("cinc", _cinc, 3, (RRnpcsp, RR_ZR, COND), t_cond), toU("cinv", _cinv, 3, (RRnpcsp, RR_ZR, COND), t_cond), toU("cneg", _cneg, 3, (RRnpcsp, RR_ZR, COND), t_cond), diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d index 6ddf218..2e70822 100644 --- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d +++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d @@ -12,4 +12,5 @@ Disassembly of section .text: 0[0-9a-f]+ <[^>]+> f3af 801d pac r12, lr, sp 0[0-9a-f]+ <[^>]+> fb54 3f15 bxaut r3, r4, r5 0[0-9a-f]+ <[^>]+> fb54 3f05 autg r3, r4, r5 +0[0-9a-f]+ <[^>]+> fb64 f305 pacg r3, r4, r5 #... diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s index eccd579..8d3a4a4 100644 --- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s +++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s @@ -8,3 +8,4 @@ pac r12, lr, sp bxaut r3, r4, r5 autg r3, r4, r5 + pacg r3, r4, r5 |