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PATCH [3/10] arm: add 'aut' instruction for Armv8.1-M pacbti extension

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gas/
2021-06-11  Andrea Corallo  <andrea.corallo@arm.com>

	* config/tc-arm.c (insns): Add 'aut.'
	(T16_32_TAB): Add '_aut'.
	* testsuite/gas/arm/armv8_1-m-pacbti-bad.l: Add 'aut' tests.
	* testsuite/gas/arm/armv8_1-m-pacbti-bad.s: Likewise.
	* testsuite/gas/arm/armv8_1-m-pacbti.d: Likewise.
	* 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 'aut'.
This commit is contained in:
Andrea Corallo 2021-05-19 09:00:14 +02:00
parent f1e1d7f305
commit e43ca2cbae
6 changed files with 12 additions and 0 deletions
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2
gas/config/tc-arm.c
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@ -11450,6 +11450,7 @@ encode_thumb32_addr_mode (int i, bool is_t, bool is_d)
X(_ands, 4000, ea100000), \
X(_asr, 1000, fa40f000), \
X(_asrs, 1000, fa50f000), \
X(_aut, 0000, f3af802d), \
X(_b, e000, f000b000), \
X(_bcond, d000, f0008000), \
X(_bf, 0000, f040e001), \
@ -26326,6 +26327,7 @@ static const struct asm_opcode insns[] =
/* Armv8.1-M Mainline instructions. */
#undef THUMB_VARIANT
#define THUMB_VARIANT & arm_ext_v8_1m_main
toU("aut", _aut, 3, (R12, LR, SP), t_pacbti),
ToU("bti", f3af800f, 0, (), noargs),
toU("pacbti", _pacbti, 3, (R12, LR, SP), t_pacbti),
toU("cinc", _cinc, 3, (RRnpcsp, RR_ZR, COND), t_cond),

3
gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l
View File

@ -2,3 +2,6 @@
.*:6: Error: operand must be r12 -- `pacbti r11,lr,sp'
.*:7: Error: operand must be LR register -- `pacbti r12,r10,sp'
.*:8: Error: operand must be SP register -- `pacbti r12,lr,r10'
.*:9: Error: operand must be r12 -- `aut r11,lr,sp'
.*:10: Error: operand must be LR register -- `aut r12,r10,sp'
.*:11: Error: operand must be SP register -- `aut r12,lr,r10'

3
gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s
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@ -6,3 +6,6 @@
pacbti r11, lr, sp
pacbti r12, r10, sp
pacbti r12, lr, r10
aut r11, lr, sp
aut r12, r10, sp
aut r12, lr, r10

1
gas/testsuite/gas/arm/armv8_1-m-pacbti.d
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@ -8,4 +8,5 @@
Disassembly of section .text:
0[0-9a-f]+ <[^>]+> f3af 800f bti
0[0-9a-f]+ <[^>]+> f3af 800d pacbti r12, lr, sp
0[0-9a-f]+ <[^>]+> f3af 802d aut r12, lr, sp
#...

1
gas/testsuite/gas/arm/armv8_1-m-pacbti.s
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@ -4,3 +4,4 @@
.Lstart:
bti
pacbti r12, lr, sp
aut r12, lr, sp

2
opcodes/arm-dis.c
View File

@ -4654,6 +4654,8 @@ static const struct opcode32 thumb32_opcodes[] =
{
/* Arm v8.1-M Mainline Pointer Authentication and Branch Target
Identification Extension. */
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_1M_MAIN),
0xf3af802d, 0xffffffff, "aut\tr12, lr, sp"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_1M_MAIN),
0xf3af800f, 0xffffffff, "bti"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_1M_MAIN),