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