diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_s390x.S')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_s390x.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_s390x.S b/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_s390x.S new file mode 100644 index 000000000000..2f445e8f1b20 --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_s390x.S @@ -0,0 +1,49 @@ +#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 + +NO_EXEC_STACK_DIRECTIVE |
