1#include "sanitizer_common/sanitizer_asm.h" 2 3#define CFA_OFFSET 160 4#define R2_REL_OFFSET 16 5#define R3_REL_OFFSET 24 6#define R14_REL_OFFSET 112 7#define R15_REL_OFFSET 120 8#define FRAME_SIZE 160 9 10.text 11 12ASM_HIDDEN(__tsan_setjmp) 13 14.macro intercept symbol, real 15.comm \real, 8, 8 16.globl ASM_SYMBOL_INTERCEPTOR(\symbol) 17ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(\symbol)) 18ASM_SYMBOL_INTERCEPTOR(\symbol): 19 CFI_STARTPROC 20 stmg %r2, %r3, R2_REL_OFFSET(%r15) 21 CFI_REL_OFFSET(%r2, R2_REL_OFFSET) 22 CFI_REL_OFFSET(%r3, R3_REL_OFFSET) 23 stmg %r14, %r15, R14_REL_OFFSET(%r15) 24 CFI_REL_OFFSET(%r14, R14_REL_OFFSET) 25 CFI_REL_OFFSET(%r15, R15_REL_OFFSET) 26 aghi %r15, -FRAME_SIZE 27 CFI_ADJUST_CFA_OFFSET(FRAME_SIZE) 28 la %r2, FRAME_SIZE(%r15) 29 brasl %r14, ASM_SYMBOL(__tsan_setjmp) 30 lmg %r14, %r15, FRAME_SIZE + R14_REL_OFFSET(%r15) 31 CFI_RESTORE(%r14) 32 CFI_RESTORE(%r15) 33 CFI_DEF_CFA_OFFSET(CFA_OFFSET) 34 lmg %r2, %r3, R2_REL_OFFSET(%r15) 35 CFI_RESTORE(%r2) 36 CFI_RESTORE(%r3) 37 larl %r1, \real 38 lg %r1, 0(%r1) 39 br %r1 40 CFI_ENDPROC 41 ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(\symbol)) 42.endm 43 44intercept setjmp, _ZN14__interception11real_setjmpE 45intercept _setjmp, _ZN14__interception12real__setjmpE 46intercept sigsetjmp, _ZN14__interception14real_sigsetjmpE 47intercept __sigsetjmp, _ZN14__interception16real___sigsetjmpE 48 49NO_EXEC_STACK_DIRECTIVE 50