Home | History | Annotate | Line # | Download | only in tsan
tsan_rtl_s390x.S revision 1.1 
      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