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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>
This commit is contained in:
Matheus Ferst 2022-01-13 14:04:55 -03:00 committed by Laurent Vivier
parent 083fe9a12d
commit 62089c849d
1 changed files with 4 additions and 4 deletions
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8
tests/tcg/ppc64le/signal_save_restore_xer.c
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@ -11,7 +11,7 @@
uint64_t saved; 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; ucontext_t *uc = ucontext;
uc->uc_mcontext.regs->nip += 4; uc->uc_mcontext.regs->nip += 4;
@ -23,14 +23,14 @@ int main(void)
{ {
uint64_t initial = XER_CA | XER_CA32, restored; uint64_t initial = XER_CA | XER_CA32, restored;
struct sigaction sa = { struct sigaction sa = {
.sa_sigaction = sigill_handler, .sa_sigaction = sigtrap_handler,
.sa_flags = SA_SIGINFO .sa_flags = SA_SIGINFO
}; };
sigaction(SIGILL, &sa, NULL); sigaction(SIGTRAP, &sa, NULL);
asm("mtspr 1, %1\n\t" asm("mtspr 1, %1\n\t"
".long 0x0\n\t" "trap\n\t"
"mfspr %0, 1\n\t" "mfspr %0, 1\n\t"
: "=r" (restored) : "=r" (restored)
: "r" (initial)); : "r" (initial));