gcc/libsanitizer/tsan/tsan_rtl_s390x.S
H.J. Lu 90e46074e6 libsanitizer: Merge with upstream
Merged revision: 7704fedfff6ef5676adb6415f3be0ac927d1a746
2021-07-20 14:21:51 -07:00

48 lines
1.3 KiB
ArmAsm

#include "sanitizer_common/sanitizer_asm.h"
#define CFA_OFFSET 160
#define R2_REL_OFFSET 16
#define R3_REL_OFFSET 24
#define R14_REL_OFFSET 112
#define R15_REL_OFFSET 120
#define FRAME_SIZE 160
.text
ASM_HIDDEN(__tsan_setjmp)
.macro intercept symbol, real
.comm \real, 8, 8
.globl ASM_SYMBOL_INTERCEPTOR(\symbol)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(\symbol))
ASM_SYMBOL_INTERCEPTOR(\symbol):
CFI_STARTPROC
stmg %r2, %r3, R2_REL_OFFSET(%r15)
CFI_REL_OFFSET(%r2, R2_REL_OFFSET)
CFI_REL_OFFSET(%r3, R3_REL_OFFSET)
stmg %r14, %r15, R14_REL_OFFSET(%r15)
CFI_REL_OFFSET(%r14, R14_REL_OFFSET)
CFI_REL_OFFSET(%r15, R15_REL_OFFSET)
aghi %r15, -FRAME_SIZE
CFI_ADJUST_CFA_OFFSET(FRAME_SIZE)
la %r2, FRAME_SIZE(%r15)
brasl %r14, ASM_SYMBOL(__tsan_setjmp)
lmg %r14, %r15, FRAME_SIZE + R14_REL_OFFSET(%r15)
CFI_RESTORE(%r14)
CFI_RESTORE(%r15)
CFI_DEF_CFA_OFFSET(CFA_OFFSET)
lmg %r2, %r3, R2_REL_OFFSET(%r15)
CFI_RESTORE(%r2)
CFI_RESTORE(%r3)
larl %r1, \real
lg %r1, 0(%r1)
br %r1
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(\symbol))
.endm
intercept setjmp, _ZN14__interception11real_setjmpE
intercept _setjmp, _ZN14__interception12real__setjmpE
intercept sigsetjmp, _ZN14__interception14real_sigsetjmpE
intercept __sigsetjmp, _ZN14__interception16real___sigsetjmpE