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Message-ID: <CAMj1kXEY-OmE33WiixrAkXLD4d7y-T2UYH4aOngHVk2hSgyvFA@mail.gmail.com>
Date: Thu, 11 Feb 2021 09:15:20 +0100
From: Ard Biesheuvel <ardb@...nel.org>
To: Nick Desaulniers <ndesaulniers@...gle.com>
Cc: Russell King <linux@...linux.org.uk>,
Arnd Bergmann <arnd@...nel.org>,
clang-built-linux <clang-built-linux@...glegroups.com>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Nathan Chancellor <nathan@...nel.org>,
Peter Smith <peter.smith@....com>,
Renato Golin <rengolin@...temcall.eu>,
David Spickett <david.spickett@...aro.org>,
Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v5 2/2] ARM: kprobes: rewrite test-arm.c in UAL
On Thu, 11 Feb 2021 at 03:52, Nick Desaulniers <ndesaulniers@...gle.com> wrote:
>
> Clang's integrated assembler only accepts UAL syntax, rewrite the
> instructions that were changed by RVCTv2.1. The document "Assembly
> language changes after RVCTv2.1" was very helpful.
>
> .syntax unified
>
> directive is added, since -masm-syntax-unified is unreliable for older
> but supported versions of GCC. See also:
>
> commit fe09d9c641f2 ("ARM: 8852/1: uaccess: use unified assembler language syntax")
>
> Link: https://developer.arm.com/documentation/dui0473/c/writing-arm-assembly-language/assembly-language-changes-after-rvctv2-1
> Link: https://github.com/ClangBuiltLinux/linux/issues/1271
> Reported-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
Acked-by: Ard Biesheuvel <ardb@...nel.org>
> ---
> arch/arm/probes/kprobes/test-arm.c | 290 ++++++++++++++--------------
> arch/arm/probes/kprobes/test-core.h | 1 +
> 2 files changed, 146 insertions(+), 145 deletions(-)
>
> diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c
> index 2543106a203e..a0dae35ffacd 100644
> --- a/arch/arm/probes/kprobes/test-arm.c
> +++ b/arch/arm/probes/kprobes/test-arm.c
> @@ -55,25 +55,25 @@ void kprobe_arm_test_cases(void)
> TEST_GROUP("Data-processing (register), (register-shifted register), (immediate)")
>
> #define _DATA_PROCESSING_DNM(op,s,val) \
> - TEST_RR( op "eq" s " r0, r",1, VAL1,", r",2, val, "") \
> - TEST_RR( op "ne" s " r1, r",1, VAL1,", r",2, val, ", lsl #3") \
> - TEST_RR( op "cs" s " r2, r",3, VAL1,", r",2, val, ", lsr #4") \
> - TEST_RR( op "cc" s " r3, r",3, VAL1,", r",2, val, ", asr #5") \
> - TEST_RR( op "mi" s " r4, r",5, VAL1,", r",2, N(val),", asr #6") \
> - TEST_RR( op "pl" s " r5, r",5, VAL1,", r",2, val, ", ror #7") \
> - TEST_RR( op "vs" s " r6, r",7, VAL1,", r",2, val, ", rrx") \
> - TEST_R( op "vc" s " r6, r",7, VAL1,", pc, lsl #3") \
> - TEST_R( op "vc" s " r6, r",7, VAL1,", sp, lsr #4") \
> - TEST_R( op "vc" s " r6, pc, r",7, VAL1,", asr #5") \
> - TEST_R( op "vc" s " r6, sp, r",7, VAL1,", ror #6") \
> - TEST_RRR( op "hi" s " r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
> - TEST_RRR( op "ls" s " r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
> - TEST_RRR( op "ge" s " r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
> - TEST_RRR( op "lt" s " r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
> - TEST_RR( op "gt" s " r12, r13" ", r",14,val, ", ror r",14,7,"")\
> - TEST_RR( op "le" s " r14, r",0, val, ", r13" ", lsl r",14,8,"")\
> - TEST_R( op "eq" s " r0, r",11,VAL1,", #0xf5") \
> - TEST_R( op "ne" s " r11, r",0, VAL1,", #0xf5000000") \
> + TEST_RR( op s "eq r0, r",1, VAL1,", r",2, val, "") \
> + TEST_RR( op s "ne r1, r",1, VAL1,", r",2, val, ", lsl #3") \
> + TEST_RR( op s "cs r2, r",3, VAL1,", r",2, val, ", lsr #4") \
> + TEST_RR( op s "cc r3, r",3, VAL1,", r",2, val, ", asr #5") \
> + TEST_RR( op s "mi r4, r",5, VAL1,", r",2, N(val),", asr #6") \
> + TEST_RR( op s "pl r5, r",5, VAL1,", r",2, val, ", ror #7") \
> + TEST_RR( op s "vs r6, r",7, VAL1,", r",2, val, ", rrx") \
> + TEST_R( op s "vc r6, r",7, VAL1,", pc, lsl #3") \
> + TEST_R( op s "vc r6, r",7, VAL1,", sp, lsr #4") \
> + TEST_R( op s "vc r6, pc, r",7, VAL1,", asr #5") \
> + TEST_R( op s "vc r6, sp, r",7, VAL1,", ror #6") \
> + TEST_RRR( op s "hi r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
> + TEST_RRR( op s "ls r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
> + TEST_RRR( op s "ge r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
> + TEST_RRR( op s "lt r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
> + TEST_RR( op s "gt r12, r13" ", r",14,val, ", ror r",14,7,"")\
> + TEST_RR( op s "le r14, r",0, val, ", r13" ", lsl r",14,8,"")\
> + TEST_R( op s "eq r0, r",11,VAL1,", #0xf5") \
> + TEST_R( op s "ne r11, r",0, VAL1,", #0xf5000000") \
> TEST_R( op s " r7, r",8, VAL2,", #0x000af000") \
> TEST( op s " r4, pc" ", #0x00005a00")
>
> @@ -104,23 +104,23 @@ void kprobe_arm_test_cases(void)
> TEST_R( op " r",8, VAL2,", #0x000af000")
>
> #define _DATA_PROCESSING_DM(op,s,val) \
> - TEST_R( op "eq" s " r0, r",1, val, "") \
> - TEST_R( op "ne" s " r1, r",1, val, ", lsl #3") \
> - TEST_R( op "cs" s " r2, r",3, val, ", lsr #4") \
> - TEST_R( op "cc" s " r3, r",3, val, ", asr #5") \
> - TEST_R( op "mi" s " r4, r",5, N(val),", asr #6") \
> - TEST_R( op "pl" s " r5, r",5, val, ", ror #7") \
> - TEST_R( op "vs" s " r6, r",10,val, ", rrx") \
> - TEST( op "vs" s " r7, pc, lsl #3") \
> - TEST( op "vs" s " r7, sp, lsr #4") \
> - TEST_RR( op "vc" s " r8, r",7, val, ", lsl r",0, 3,"") \
> - TEST_RR( op "hi" s " r9, r",9, val, ", lsr r",7, 4,"") \
> - TEST_RR( op "ls" s " r10, r",9, val, ", asr r",7, 5,"") \
> - TEST_RR( op "ge" s " r11, r",11,N(val),", asr r",7, 6,"") \
> - TEST_RR( op "lt" s " r12, r",11,val, ", ror r",14,7,"") \
> - TEST_R( op "gt" s " r14, r13" ", lsl r",14,8,"") \
> - TEST( op "eq" s " r0, #0xf5") \
> - TEST( op "ne" s " r11, #0xf5000000") \
> + TEST_R( op s "eq r0, r",1, val, "") \
> + TEST_R( op s "ne r1, r",1, val, ", lsl #3") \
> + TEST_R( op s "cs r2, r",3, val, ", lsr #4") \
> + TEST_R( op s "cc r3, r",3, val, ", asr #5") \
> + TEST_R( op s "mi r4, r",5, N(val),", asr #6") \
> + TEST_R( op s "pl r5, r",5, val, ", ror #7") \
> + TEST_R( op s "vs r6, r",10,val, ", rrx") \
> + TEST( op s "vs r7, pc, lsl #3") \
> + TEST( op s "vs r7, sp, lsr #4") \
> + TEST_RR( op s "vc r8, r",7, val, ", lsl r",0, 3,"") \
> + TEST_RR( op s "hi r9, r",9, val, ", lsr r",7, 4,"") \
> + TEST_RR( op s "ls r10, r",9, val, ", asr r",7, 5,"") \
> + TEST_RR( op s "ge r11, r",11,N(val),", asr r",7, 6,"") \
> + TEST_RR( op s "lt r12, r",11,val, ", ror r",14,7,"") \
> + TEST_R( op s "gt r14, r13" ", lsl r",14,8,"") \
> + TEST( op s "eq r0, #0xf5") \
> + TEST( op s "ne r11, #0xf5000000") \
> TEST( op s " r7, #0x000af000") \
> TEST( op s " r4, #0x00005a00")
>
> @@ -352,7 +352,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe000029f) " @ mul r0, pc, r2")
> TEST_UNSUPPORTED(__inst_arm(0xe0000f91) " @ mul r0, r1, pc")
> TEST_RR( "muls r0, r",1, VAL1,", r",2, VAL2,"")
> - TEST_RR( "mullss r7, r",8, VAL2,", r",9, VAL2,"")
> + TEST_RR( "mulsls r7, r",8, VAL2,", r",9, VAL2,"")
> TEST_R( "muls lr, r",4, VAL3,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe01f0291) " @ muls pc, r1, r2")
>
> @@ -361,7 +361,7 @@ void kprobe_arm_test_cases(void)
> TEST_RR( "mla lr, r",1, VAL2,", r",2, VAL3,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe02f3291) " @ mla pc, r1, r2, r3")
> TEST_RRR( "mlas r0, r",1, VAL1,", r",2, VAL2,", r",3, VAL3,"")
> - TEST_RRR( "mlahis r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
> + TEST_RRR( "mlashi r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
> TEST_RR( "mlas lr, r",1, VAL2,", r",2, VAL3,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe03f3291) " @ mlas pc, r1, r2, r3")
>
> @@ -394,7 +394,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe081f392) " @ umull pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe08f1392) " @ umull r1, pc, r2, r3")
> TEST_RR( "umulls r0, r1, r",2, VAL1,", r",3, VAL2,"")
> - TEST_RR( "umulllss r7, r8, r",9, VAL2,", r",10, VAL1,"")
> + TEST_RR( "umullsls r7, r8, r",9, VAL2,", r",10, VAL1,"")
> TEST_R( "umulls lr, r12, r",11,VAL3,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe091f392) " @ umulls pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe09f1392) " @ umulls r1, pc, r2, r3")
> @@ -405,7 +405,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0af1392) " @ umlal pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0a1f392) " @ umlal r1, pc, r2, r3")
> TEST_RRRR( "umlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
> - TEST_RRRR( "umlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
> + TEST_RRRR( "umlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
> TEST_RRR( "umlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe0bf1392) " @ umlals pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0b1f392) " @ umlals r1, pc, r2, r3")
> @@ -416,7 +416,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0c1f392) " @ smull pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0cf1392) " @ smull r1, pc, r2, r3")
> TEST_RR( "smulls r0, r1, r",2, VAL1,", r",3, VAL2,"")
> - TEST_RR( "smulllss r7, r8, r",9, VAL2,", r",10, VAL1,"")
> + TEST_RR( "smullsls r7, r8, r",9, VAL2,", r",10, VAL1,"")
> TEST_R( "smulls lr, r12, r",11,VAL3,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe0d1f392) " @ smulls pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0df1392) " @ smulls r1, pc, r2, r3")
> @@ -427,7 +427,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0ef1392) " @ smlal pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0e1f392) " @ smlal r1, pc, r2, r3")
> TEST_RRRR( "smlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
> - TEST_RRRR( "smlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
> + TEST_RRRR( "smlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
> TEST_RRR( "smlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
> TEST_UNSUPPORTED(__inst_arm(0xe0ff1392) " @ smlals pc, r1, r2, r3")
> TEST_UNSUPPORTED(__inst_arm(0xe0f0f392) " @ smlals r0, pc, r2, r3")
> @@ -450,7 +450,7 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe10f0091) " @ swp r0, r1, [pc]")
> #if __LINUX_ARM_ARCH__ < 6
> TEST_RP("swpb lr, r",7,VAL2,", [r",8,0,"]")
> - TEST_R( "swpvsb r0, r",1,VAL1,", [sp]")
> + TEST_R( "swpbvs r0, r",1,VAL1,", [sp]")
> #else
> TEST_UNSUPPORTED(__inst_arm(0xe148e097) " @ swpb lr, r7, [r8]")
> TEST_UNSUPPORTED(__inst_arm(0x614d0091) " @ swpvsb r0, r1, [sp]")
> @@ -477,11 +477,11 @@ void kprobe_arm_test_cases(void)
> TEST_GROUP("Extra load/store instructions")
>
> TEST_RPR( "strh r",0, VAL1,", [r",1, 48,", -r",2, 24,"]")
> - TEST_RPR( "streqh r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
> - TEST_UNSUPPORTED( "streqh r14, [r13, r12]")
> - TEST_UNSUPPORTED( "streqh r14, [r12, r13]")
> + TEST_RPR( "strheq r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
> + TEST_UNSUPPORTED( "strheq r14, [r13, r12]")
> + TEST_UNSUPPORTED( "strheq r14, [r12, r13]")
> TEST_RPR( "strh r",1, VAL1,", [r",2, 24,", r",3, 48,"]!")
> - TEST_RPR( "strneh r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
> + TEST_RPR( "strhne r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
> TEST_RPR( "strh r",2, VAL1,", [r",3, 24,"], r",4, 48,"")
> TEST_RPR( "strh r",10,VAL2,", [r",9, 48,"], -r",11,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1afc0ba) " @ strh r12, [pc, r10]!")
> @@ -489,9 +489,9 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe089a0bf) " @ strh r10, [r9], pc")
>
> TEST_PR( "ldrh r0, [r",0, 48,", -r",2, 24,"]")
> - TEST_PR( "ldrcsh r14, [r",13,0, ", r",12, 48,"]")
> + TEST_PR( "ldrhcs r14, [r",13,0, ", r",12, 48,"]")
> TEST_PR( "ldrh r1, [r",2, 24,", r",3, 48,"]!")
> - TEST_PR( "ldrcch r12, [r",11,48,", -r",10,24,"]!")
> + TEST_PR( "ldrhcc r12, [r",11,48,", -r",10,24,"]!")
> TEST_PR( "ldrh r2, [r",3, 24,"], r",4, 48,"")
> TEST_PR( "ldrh r10, [r",9, 48,"], -r",11,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1bfc0ba) " @ ldrh r12, [pc, r10]!")
> @@ -499,9 +499,9 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe099a0bf) " @ ldrh r10, [r9], pc")
>
> TEST_RP( "strh r",0, VAL1,", [r",1, 24,", #-2]")
> - TEST_RP( "strmih r",14,VAL2,", [r",13,0, ", #2]")
> + TEST_RP( "strhmi r",14,VAL2,", [r",13,0, ", #2]")
> TEST_RP( "strh r",1, VAL1,", [r",2, 24,", #4]!")
> - TEST_RP( "strplh r",12,VAL2,", [r",11,24,", #-4]!")
> + TEST_RP( "strhpl r",12,VAL2,", [r",11,24,", #-4]!")
> TEST_RP( "strh r",2, VAL1,", [r",3, 24,"], #48")
> TEST_RP( "strh r",10,VAL2,", [r",9, 64,"], #-48")
> TEST_RP( "strh r",3, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
> @@ -511,9 +511,9 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0c9f3b0) " @ strh pc, [r9], #48")
>
> TEST_P( "ldrh r0, [r",0, 24,", #-2]")
> - TEST_P( "ldrvsh r14, [r",13,0, ", #2]")
> + TEST_P( "ldrhvs r14, [r",13,0, ", #2]")
> TEST_P( "ldrh r1, [r",2, 24,", #4]!")
> - TEST_P( "ldrvch r12, [r",11,24,", #-4]!")
> + TEST_P( "ldrhvc r12, [r",11,24,", #-4]!")
> TEST_P( "ldrh r2, [r",3, 24,"], #48")
> TEST_P( "ldrh r10, [r",9, 64,"], #-48")
> TEST( "ldrh r0, [pc, #0]")
> @@ -521,18 +521,18 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0d9f3b0) " @ ldrh pc, [r9], #48")
>
> TEST_PR( "ldrsb r0, [r",0, 48,", -r",2, 24,"]")
> - TEST_PR( "ldrhisb r14, [r",13,0,", r",12, 48,"]")
> + TEST_PR( "ldrsbhi r14, [r",13,0,", r",12, 48,"]")
> TEST_PR( "ldrsb r1, [r",2, 24,", r",3, 48,"]!")
> - TEST_PR( "ldrlssb r12, [r",11,48,", -r",10,24,"]!")
> + TEST_PR( "ldrsbls r12, [r",11,48,", -r",10,24,"]!")
> TEST_PR( "ldrsb r2, [r",3, 24,"], r",4, 48,"")
> TEST_PR( "ldrsb r10, [r",9, 48,"], -r",11,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1bfc0da) " @ ldrsb r12, [pc, r10]!")
> TEST_UNSUPPORTED(__inst_arm(0xe099f0db) " @ ldrsb pc, [r9], r11")
>
> TEST_P( "ldrsb r0, [r",0, 24,", #-1]")
> - TEST_P( "ldrgesb r14, [r",13,0, ", #1]")
> + TEST_P( "ldrsbge r14, [r",13,0, ", #1]")
> TEST_P( "ldrsb r1, [r",2, 24,", #4]!")
> - TEST_P( "ldrltsb r12, [r",11,24,", #-4]!")
> + TEST_P( "ldrsblt r12, [r",11,24,", #-4]!")
> TEST_P( "ldrsb r2, [r",3, 24,"], #48")
> TEST_P( "ldrsb r10, [r",9, 64,"], #-48")
> TEST( "ldrsb r0, [pc, #0]")
> @@ -540,18 +540,18 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe0d9f3d0) " @ ldrsb pc, [r9], #48")
>
> TEST_PR( "ldrsh r0, [r",0, 48,", -r",2, 24,"]")
> - TEST_PR( "ldrgtsh r14, [r",13,0, ", r",12, 48,"]")
> + TEST_PR( "ldrshgt r14, [r",13,0, ", r",12, 48,"]")
> TEST_PR( "ldrsh r1, [r",2, 24,", r",3, 48,"]!")
> - TEST_PR( "ldrlesh r12, [r",11,48,", -r",10,24,"]!")
> + TEST_PR( "ldrshle r12, [r",11,48,", -r",10,24,"]!")
> TEST_PR( "ldrsh r2, [r",3, 24,"], r",4, 48,"")
> TEST_PR( "ldrsh r10, [r",9, 48,"], -r",11,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1bfc0fa) " @ ldrsh r12, [pc, r10]!")
> TEST_UNSUPPORTED(__inst_arm(0xe099f0fb) " @ ldrsh pc, [r9], r11")
>
> TEST_P( "ldrsh r0, [r",0, 24,", #-1]")
> - TEST_P( "ldreqsh r14, [r",13,0 ,", #1]")
> + TEST_P( "ldrsheq r14, [r",13,0 ,", #1]")
> TEST_P( "ldrsh r1, [r",2, 24,", #4]!")
> - TEST_P( "ldrnesh r12, [r",11,24,", #-4]!")
> + TEST_P( "ldrshne r12, [r",11,24,", #-4]!")
> TEST_P( "ldrsh r2, [r",3, 24,"], #48")
> TEST_P( "ldrsh r10, [r",9, 64,"], #-48")
> TEST( "ldrsh r0, [pc, #0]")
> @@ -571,30 +571,30 @@ void kprobe_arm_test_cases(void)
>
> #if __LINUX_ARM_ARCH__ >= 5
> TEST_RPR( "strd r",0, VAL1,", [r",1, 48,", -r",2,24,"]")
> - TEST_RPR( "strccd r",8, VAL2,", [r",11,0, ", r",12,48,"]")
> - TEST_UNSUPPORTED( "strccd r8, [r13, r12]")
> - TEST_UNSUPPORTED( "strccd r8, [r12, r13]")
> + TEST_RPR( "strdcc r",8, VAL2,", [r",11,0, ", r",12,48,"]")
> + TEST_UNSUPPORTED( "strdcc r8, [r13, r12]")
> + TEST_UNSUPPORTED( "strdcc r8, [r12, r13]")
> TEST_RPR( "strd r",4, VAL1,", [r",2, 24,", r",3, 48,"]!")
> - TEST_RPR( "strcsd r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
> - TEST_RPR( "strd r",2, VAL1,", [r",5, 24,"], r",4,48,"")
> - TEST_RPR( "strd r",10,VAL2,", [r",9, 48,"], -r",7,24,"")
> + TEST_RPR( "strdcs r",12,VAL2,", r13, [r",11,48,", -r",10,24,"]!")
> + TEST_RPR( "strd r",2, VAL1,", r3, [r",5, 24,"], r",4,48,"")
> + TEST_RPR( "strd r",10,VAL2,", r11, [r",9, 48,"], -r",7,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1afc0fa) " @ strd r12, [pc, r10]!")
>
> TEST_PR( "ldrd r0, [r",0, 48,", -r",2,24,"]")
> - TEST_PR( "ldrmid r8, [r",13,0, ", r",12,48,"]")
> + TEST_PR( "ldrdmi r8, [r",13,0, ", r",12,48,"]")
> TEST_PR( "ldrd r4, [r",2, 24,", r",3, 48,"]!")
> - TEST_PR( "ldrpld r6, [r",11,48,", -r",10,24,"]!")
> - TEST_PR( "ldrd r2, [r",5, 24,"], r",4,48,"")
> - TEST_PR( "ldrd r10, [r",9,48,"], -r",7,24,"")
> + TEST_PR( "ldrdpl r6, [r",11,48,", -r",10,24,"]!")
> + TEST_PR( "ldrd r2, r3, [r",5, 24,"], r",4,48,"")
> + TEST_PR( "ldrd r10, r11, [r",9,48,"], -r",7,24,"")
> TEST_UNSUPPORTED(__inst_arm(0xe1afc0da) " @ ldrd r12, [pc, r10]!")
> TEST_UNSUPPORTED(__inst_arm(0xe089f0db) " @ ldrd pc, [r9], r11")
> TEST_UNSUPPORTED(__inst_arm(0xe089e0db) " @ ldrd lr, [r9], r11")
> TEST_UNSUPPORTED(__inst_arm(0xe089c0df) " @ ldrd r12, [r9], pc")
>
> TEST_RP( "strd r",0, VAL1,", [r",1, 24,", #-8]")
> - TEST_RP( "strvsd r",8, VAL2,", [r",13,0, ", #8]")
> + TEST_RP( "strdvs r",8, VAL2,", [r",13,0, ", #8]")
> TEST_RP( "strd r",4, VAL1,", [r",2, 24,", #16]!")
> - TEST_RP( "strvcd r",12,VAL2,", [r",11,24,", #-16]!")
> + TEST_RP( "strdvc r",12,VAL2,", r13, [r",11,24,", #-16]!")
> TEST_RP( "strd r",2, VAL1,", [r",4, 24,"], #48")
> TEST_RP( "strd r",10,VAL2,", [r",9, 64,"], #-48")
> TEST_RP( "strd r",6, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
> @@ -603,9 +603,9 @@ void kprobe_arm_test_cases(void)
> TEST_UNSUPPORTED(__inst_arm(0xe1efc3f0) " @ strd r12, [pc, #48]!")
>
> TEST_P( "ldrd r0, [r",0, 24,", #-8]")
> - TEST_P( "ldrhid r8, [r",13,0, ", #8]")
> + TEST_P( "ldrdhi r8, [r",13,0, ", #8]")
> TEST_P( "ldrd r4, [r",2, 24,", #16]!")
> - TEST_P( "ldrlsd r6, [r",11,24,", #-16]!")
> + TEST_P( "ldrdls r6, [r",11,24,", #-16]!")
> TEST_P( "ldrd r2, [r",5, 24,"], #48")
> TEST_P( "ldrd r10, [r",9,6,"], #-48")
> TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) " @ ldrd r12, [pc, #48]!")
> @@ -1084,63 +1084,63 @@ void kprobe_arm_test_cases(void)
> TEST_GROUP("Branch, branch with link, and block data transfer")
>
> TEST_P( "stmda r",0, 16*4,", {r0}")
> - TEST_P( "stmeqda r",4, 16*4,", {r0-r15}")
> - TEST_P( "stmneda r",8, 16*4,"!, {r8-r15}")
> + TEST_P( "stmdaeq r",4, 16*4,", {r0-r15}")
> + TEST_P( "stmdane r",8, 16*4,"!, {r8-r15}")
> TEST_P( "stmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_P( "stmda r",13,0, "!, {pc}")
>
> TEST_P( "ldmda r",0, 16*4,", {r0}")
> - TEST_BF_P("ldmcsda r",4, 15*4,", {r0-r15}")
> - TEST_BF_P("ldmccda r",7, 15*4,"!, {r8-r15}")
> + TEST_BF_P("ldmdacs r",4, 15*4,", {r0-r15}")
> + TEST_BF_P("ldmdacc r",7, 15*4,"!, {r8-r15}")
> TEST_P( "ldmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_BF_P("ldmda r",14,15*4,"!, {pc}")
>
> TEST_P( "stmia r",0, 16*4,", {r0}")
> - TEST_P( "stmmiia r",4, 16*4,", {r0-r15}")
> - TEST_P( "stmplia r",8, 16*4,"!, {r8-r15}")
> + TEST_P( "stmiami r",4, 16*4,", {r0-r15}")
> + TEST_P( "stmiapl r",8, 16*4,"!, {r8-r15}")
> TEST_P( "stmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_P( "stmia r",14,0, "!, {pc}")
>
> TEST_P( "ldmia r",0, 16*4,", {r0}")
> - TEST_BF_P("ldmvsia r",4, 0, ", {r0-r15}")
> - TEST_BF_P("ldmvcia r",7, 8*4, "!, {r8-r15}")
> + TEST_BF_P("ldmiavs r",4, 0, ", {r0-r15}")
> + TEST_BF_P("ldmiavc r",7, 8*4, "!, {r8-r15}")
> TEST_P( "ldmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_BF_P("ldmia r",14,15*4,"!, {pc}")
>
> TEST_P( "stmdb r",0, 16*4,", {r0}")
> - TEST_P( "stmhidb r",4, 16*4,", {r0-r15}")
> - TEST_P( "stmlsdb r",8, 16*4,"!, {r8-r15}")
> + TEST_P( "stmdbhi r",4, 16*4,", {r0-r15}")
> + TEST_P( "stmdbls r",8, 16*4,"!, {r8-r15}")
> TEST_P( "stmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_P( "stmdb r",13,4, "!, {pc}")
>
> TEST_P( "ldmdb r",0, 16*4,", {r0}")
> - TEST_BF_P("ldmgedb r",4, 16*4,", {r0-r15}")
> - TEST_BF_P("ldmltdb r",7, 16*4,"!, {r8-r15}")
> + TEST_BF_P("ldmdbge r",4, 16*4,", {r0-r15}")
> + TEST_BF_P("ldmdblt r",7, 16*4,"!, {r8-r15}")
> TEST_P( "ldmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_BF_P("ldmdb r",14,16*4,"!, {pc}")
>
> TEST_P( "stmib r",0, 16*4,", {r0}")
> - TEST_P( "stmgtib r",4, 16*4,", {r0-r15}")
> - TEST_P( "stmleib r",8, 16*4,"!, {r8-r15}")
> + TEST_P( "stmibgt r",4, 16*4,", {r0-r15}")
> + TEST_P( "stmible r",8, 16*4,"!, {r8-r15}")
> TEST_P( "stmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_P( "stmib r",13,-4, "!, {pc}")
>
> TEST_P( "ldmib r",0, 16*4,", {r0}")
> - TEST_BF_P("ldmeqib r",4, -4,", {r0-r15}")
> - TEST_BF_P("ldmneib r",7, 7*4,"!, {r8-r15}")
> + TEST_BF_P("ldmibeq r",4, -4,", {r0-r15}")
> + TEST_BF_P("ldmibne r",7, 7*4,"!, {r8-r15}")
> TEST_P( "ldmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
> TEST_BF_P("ldmib r",14,14*4,"!, {pc}")
>
> TEST_P( "stmdb r",13,16*4,"!, {r3-r12,lr}")
> - TEST_P( "stmeqdb r",13,16*4,"!, {r3-r12}")
> - TEST_P( "stmnedb r",2, 16*4,", {r3-r12,lr}")
> + TEST_P( "stmdbeq r",13,16*4,"!, {r3-r12}")
> + TEST_P( "stmdbne r",2, 16*4,", {r3-r12,lr}")
> TEST_P( "stmdb r",13,16*4,"!, {r2-r12,lr}")
> TEST_P( "stmdb r",0, 16*4,", {r0-r12}")
> TEST_P( "stmdb r",0, 16*4,", {r0-r12,lr}")
>
> TEST_BF_P("ldmia r",13,5*4, "!, {r3-r12,pc}")
> - TEST_P( "ldmccia r",13,5*4, "!, {r3-r12}")
> - TEST_BF_P("ldmcsia r",2, 5*4, "!, {r3-r12,pc}")
> + TEST_P( "ldmiacc r",13,5*4, "!, {r3-r12}")
> + TEST_BF_P("ldmiacs r",2, 5*4, "!, {r3-r12,pc}")
> TEST_BF_P("ldmia r",13,4*4, "!, {r2-r12,pc}")
> TEST_P( "ldmia r",0, 16*4,", {r0-r12}")
> TEST_P( "ldmia r",0, 16*4,", {r0-r12,lr}")
> @@ -1174,80 +1174,80 @@ void kprobe_arm_test_cases(void)
> #define TEST_COPROCESSOR(code) TEST_UNSUPPORTED(code)
>
> #define COPROCESSOR_INSTRUCTIONS_ST_LD(two,cc) \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]!") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]!") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #4") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #-4") \
> - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], {1}") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]!") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]!") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #4") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #-4") \
> - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], {1}") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]!") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]!") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #4") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #-4") \
> - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], {1}") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]!") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]!") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #4") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #-4") \
> - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], {1}") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]!") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]!") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #4") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #-4") \
> + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], {1}") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]!") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]!") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #4") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #-4") \
> + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], {1}") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]!") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]!") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #4") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #-4") \
> + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], {1}") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]!") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]!") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #4") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #-4") \
> + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], {1}") \
> \
> - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #4]") \
> - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #-4]") \
> + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #4]") \
> + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #-4]") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##daf0001) " @ stc"two" 0, cr0, [r15, #4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##d2f0001) " @ stc"two" 0, cr0, [r15, #-4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##caf0001) " @ stc"two" 0, cr0, [r15], #4") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c2f0001) " @ stc"two" 0, cr0, [r15], #-4") \
> - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15], {1}") \
> - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #4]") \
> - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #-4]") \
> + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15], {1}") \
> + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #4]") \
> + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #-4]") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##def0001) " @ stc"two"l 0, cr0, [r15, #4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##d6f0001) " @ stc"two"l 0, cr0, [r15, #-4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##cef0001) " @ stc"two"l 0, cr0, [r15], #4") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c6f0001) " @ stc"two"l 0, cr0, [r15], #-4") \
> - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15], {1}") \
> - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #4]") \
> - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #-4]") \
> + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15], {1}") \
> + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #4]") \
> + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #-4]") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##dbf0001) " @ ldc"two" 0, cr0, [r15, #4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##d3f0001) " @ ldc"two" 0, cr0, [r15, #-4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##cbf0001) " @ ldc"two" 0, cr0, [r15], #4") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c3f0001) " @ ldc"two" 0, cr0, [r15], #-4") \
> - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15], {1}") \
> - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #4]") \
> - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #-4]") \
> + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15], {1}") \
> + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #4]") \
> + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #-4]") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##dff0001) " @ ldc"two"l 0, cr0, [r15, #4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##d7f0001) " @ ldc"two"l 0, cr0, [r15, #-4]!") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##cff0001) " @ ldc"two"l 0, cr0, [r15], #4") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c7f0001) " @ ldc"two"l 0, cr0, [r15], #-4") \
> - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15], {1}")
> + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15], {1}")
>
> #define COPROCESSOR_INSTRUCTIONS_MC_MR(two,cc) \
> \
> - TEST_COPROCESSOR( "mcrr"two" 0, 15, r0, r14, cr0") \
> - TEST_COPROCESSOR( "mcrr"two" 15, 0, r14, r0, cr15") \
> + TEST_COPROCESSOR( "mcrr"two" p0, 15, r0, r14, cr0") \
> + TEST_COPROCESSOR( "mcrr"two" p15, 0, r14, r0, cr15") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c4f00f0) " @ mcrr"two" 0, 15, r0, r15, cr0") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c40ff0f) " @ mcrr"two" 15, 0, r15, r0, cr15") \
> - TEST_COPROCESSOR( "mrrc"two" 0, 15, r0, r14, cr0") \
> - TEST_COPROCESSOR( "mrrc"two" 15, 0, r14, r0, cr15") \
> + TEST_COPROCESSOR( "mrrc"two" p0, 15, r0, r14, cr0") \
> + TEST_COPROCESSOR( "mrrc"two" p15, 0, r14, r0, cr15") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c5f00f0) " @ mrrc"two" 0, 15, r0, r15, cr0") \
> TEST_UNSUPPORTED(__inst_arm(0x##cc##c50ff0f) " @ mrrc"two" 15, 0, r15, r0, cr15") \
> - TEST_COPROCESSOR( "cdp"two" 15, 15, cr15, cr15, cr15, 7") \
> - TEST_COPROCESSOR( "cdp"two" 0, 0, cr0, cr0, cr0, 0") \
> - TEST_COPROCESSOR( "mcr"two" 15, 7, r15, cr15, cr15, 7") \
> - TEST_COPROCESSOR( "mcr"two" 0, 0, r0, cr0, cr0, 0") \
> - TEST_COPROCESSOR( "mrc"two" 15, 7, r15, cr15, cr15, 7") \
> - TEST_COPROCESSOR( "mrc"two" 0, 0, r0, cr0, cr0, 0")
> + TEST_COPROCESSOR( "cdp"two" p15, 15, cr15, cr15, cr15, 7") \
> + TEST_COPROCESSOR( "cdp"two" p0, 0, cr0, cr0, cr0, 0") \
> + TEST_COPROCESSOR( "mcr"two" p15, 7, r15, cr15, cr15, 7") \
> + TEST_COPROCESSOR( "mcr"two" p0, 0, r0, cr0, cr0, 0") \
> + TEST_COPROCESSOR( "mrc"two" p15, 7, r14, cr15, cr15, 7") \
> + TEST_COPROCESSOR( "mrc"two" p0, 0, r0, cr0, cr0, 0")
>
> COPROCESSOR_INSTRUCTIONS_ST_LD("",e)
> #if __LINUX_ARM_ARCH__ >= 5
> diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h
> index 19a5b2add41e..f1d5583e7bbb 100644
> --- a/arch/arm/probes/kprobes/test-core.h
> +++ b/arch/arm/probes/kprobes/test-core.h
> @@ -108,6 +108,7 @@ struct test_arg_end {
>
> #define TESTCASE_START(title) \
> __asm__ __volatile__ ( \
> + ".syntax unified \n\t" \
> "bl __kprobes_test_case_start \n\t" \
> ".pushsection .rodata \n\t" \
> "10: \n\t" \
> --
> 2.30.0.478.g8a0d178c01-goog
>
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