return mangled_sp ^ xor_key;
#elif defined(__mips__)
return mangled_sp;
+#elif defined(__s390x__)
+ // tcbhead_t.stack_guard
+ uptr xor_key = ((uptr *)__builtin_thread_pointer())[5];
+ return mangled_sp ^ xor_key;
#else
#error "Unknown platform"
#endif
# define LONG_JMP_SP_ENV_SLOT 13
# elif defined(__mips64)
# define LONG_JMP_SP_ENV_SLOT 1
+# elif defined(__s390x__)
+# define LONG_JMP_SP_ENV_SLOT 9
# else
# define LONG_JMP_SP_ENV_SLOT 6
# endif
--- /dev/null
+#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