| 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 | |
|---|
| 12 | ASM_HIDDEN(__tsan_setjmp) |
|---|
| 13 | |
|---|
| 14 | .macro intercept symbol, real |
|---|
| 15 | .comm \real, 8, 8 |
|---|
| 16 | .globl ASM_SYMBOL_INTERCEPTOR(\symbol) |
|---|
| 17 | ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(\symbol)) |
|---|
| 18 | ASM_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 | |
|---|
| 44 | intercept setjmp, _ZN14__interception11real_setjmpE |
|---|
| 45 | intercept _setjmp, _ZN14__interception12real__setjmpE |
|---|
| 46 | intercept sigsetjmp, _ZN14__interception14real_sigsetjmpE |
|---|
| 47 | intercept __sigsetjmp, _ZN14__interception16real___sigsetjmpE |
|---|
| 48 | |
|---|
| 49 | NO_EXEC_STACK_DIRECTIVE |
|---|
| 50 | |
|---|
