tests/tcg/ppc64le: change signal_save_restore_xer to use SIGTRAP

Now that linux-user delivers the signal on tw, we can change
signal_save_restore_xer to use SIGTRAP instead of SIGILL.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220113170456.1796911-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

diff --git a/tests/tcg/ppc64le/signal_save_restore_xer.c b/tests/tcg/ppc64le/signal_save_restore_xer.c
index e4f8a07dd7e0f0dd4f67fd2d4da1e1f963e92d2e..9227f4f455512623e42221f3988c761171de7e14 100644 (file)
--- a/tests/tcg/ppc64le/signal_save_restore_xer.c
+++ b/tests/tcg/ppc64le/signal_save_restore_xer.c
@@ -11,7 +11,7 @@
 
 uint64_t saved;
 
-void sigill_handler(int sig, siginfo_t *si, void *ucontext)
+void sigtrap_handler(int sig, siginfo_t *si, void *ucontext)
 {
     ucontext_t *uc = ucontext;
     uc->uc_mcontext.regs->nip += 4;
@@ -23,14 +23,14 @@ int main(void)
 {
     uint64_t initial = XER_CA | XER_CA32, restored;
     struct sigaction sa = {
-        .sa_sigaction = sigill_handler,
+        .sa_sigaction = sigtrap_handler,
         .sa_flags = SA_SIGINFO
     };
 
-    sigaction(SIGILL, &sa, NULL);
+    sigaction(SIGTRAP, &sa, NULL);
 
     asm("mtspr 1, %1\n\t"
-        ".long 0x0\n\t"
+        "trap\n\t"
         "mfspr %0, 1\n\t"
         : "=r" (restored)
         : "r" (initial));