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authorAndrei Vagin <avagin@google.com>2020-03-06 21:12:32 -0800
committerGitHub <noreply@github.com>2020-03-06 21:12:32 -0800
commitbf87da89d3c43555fd57e8f1d7aed21b6da78de4 (patch)
tree744ba15a2f663d64d56bf1c70bdfe4096f6a1af9 /test/util/signal_util.h
parent89957c6c87b5ad5c7bac68f93d9472388db57702 (diff)
parentddfc7239be94fa9711df877a66a9718aabff8b96 (diff)
Merge branch 'master' into pr_lazy_fpsimd_2
Diffstat (limited to 'test/util/signal_util.h')
-rw-r--r--test/util/signal_util.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/util/signal_util.h b/test/util/signal_util.h
index bcf85c337..e7b66aa51 100644
--- a/test/util/signal_util.h
+++ b/test/util/signal_util.h
@@ -85,6 +85,20 @@ inline void FixupFault(ucontext_t* ctx) {
// The encoding is 0x48 0xab 0x00.
ctx->uc_mcontext.gregs[REG_RIP] += 3;
}
+#elif __aarch64__
+inline void Fault() {
+ // Zero and dereference x0.
+ asm("mov xzr, x0\r\n"
+ "str xzr, [x0]\r\n"
+ :
+ :
+ : "x0");
+}
+
+inline void FixupFault(ucontext_t* ctx) {
+ // Skip the bad instruction above.
+ ctx->uc_mcontext.pc += 4;
+}
#endif
} // namespace testing