diff mbox series

[v2,30/36] target/ppc: Simplify encode_trampoline

Message ID 20210706234932.356913-31-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: Signal trampolines and vdsos | expand

Commit Message

Richard Henderson July 6, 2021, 11:49 p.m. UTC 
The sigret parameter is never 0, and even if it was the encoding
of the LI instruction would still work.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 linux-user/ppc/signal.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c
index edfad28a37..70cc27b0f6 100644
--- a/linux-user/ppc/signal.c
+++ b/linux-user/ppc/signal.c
@@ -308,10 +308,8 @@  static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame)
 static void encode_trampoline(int sigret, uint32_t *tramp)
 {
     /* Set up the sigreturn trampoline: li r0,sigret; sc.  */
-    if (sigret) {
-        __put_user(0x38000000 | sigret, &tramp[0]);
-        __put_user(0x44000002, &tramp[1]);
-    }
+    __put_user(0x38000000 | sigret, &tramp[0]);
+    __put_user(0x44000002, &tramp[1]);
 }
 
 static void restore_user_regs(CPUPPCState *env,