ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

linux-user/ppc: Simplify encode_trampoline 

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>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210929130553.121567-19-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2021-09-29 09:05:45 -04:00 committed by Laurent Vivier
parent 9ce3ad4452
commit 5d2fc70f57
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
linux-user/ppc/signal.c
View File

@ -309,10 +309,8 @@ 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,