[PATCH v2 28/30] linux-user/sh4: Use force_sig_fault, force_sigsegv_for_addr

Richard Henderson posted 30 patches 4 years, 5 months ago
Maintainers: Cornelia Huck <cohuck@redhat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Laurent Vivier <laurent@vivier.eu>, Taylor Simpson <tsimpson@quicinc.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Thomas Huth <thuth@redhat.com>, Aurelien Jarno <aurelien@aurel32.net>
There is a newer version of this series
[PATCH v2 28/30] linux-user/sh4: Use force_sig_fault, force_sigsegv_for_addr
Posted by Richard Henderson 4 years, 5 months ago
Use the new functions instead of setting up a target_siginfo_t
and calling queue_signal.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/sh4/cpu_loop.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/linux-user/sh4/cpu_loop.c b/linux-user/sh4/cpu_loop.c
index 222ed1c670..0c3ec908e7 100644
--- a/linux-user/sh4/cpu_loop.c
+++ b/linux-user/sh4/cpu_loop.c
@@ -21,12 +21,13 @@
 #include "qemu-common.h"
 #include "qemu.h"
 #include "cpu_loop-common.h"
+#include "signal-common.h"
+
 
 void cpu_loop(CPUSH4State *env)
 {
     CPUState *cs = env_cpu(env);
     int trapnr, ret;
-    target_siginfo_t info;
 
     while (1) {
         bool arch_interrupt = true;
@@ -58,18 +59,11 @@ void cpu_loop(CPUSH4State *env)
             /* just indicate that signals should be handled asap */
             break;
         case EXCP_DEBUG:
-            info.si_signo = TARGET_SIGTRAP;
-            info.si_errno = 0;
-            info.si_code = TARGET_TRAP_BRKPT;
-            queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+            force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
             break;
         case 0xa0:
         case 0xc0:
-            info.si_signo = TARGET_SIGSEGV;
-            info.si_errno = 0;
-            info.si_code = TARGET_SEGV_MAPERR;
-            info._sifields._sigfault._addr = env->tea;
-            queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+            force_sigsegv_for_addr(env->tea);
             break;
         case EXCP_ATOMIC:
             cpu_exec_step_atomic(cs);
-- 
2.25.1


Re: [PATCH v2 28/30] linux-user/sh4: Use force_sig_fault, force_sigsegv_for_addr
Posted by Peter Maydell 4 years, 5 months ago
On Sun, 22 Aug 2021 at 04:55, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Use the new functions instead of setting up a target_siginfo_t
> and calling queue_signal.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  linux-user/sh4/cpu_loop.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM