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authorRichard Henderson <richard.henderson@linaro.org>2021-04-28 12:33:55 -0700
committerLaurent Vivier <laurent@vivier.eu>2021-05-15 21:44:38 +0200
commitcb1f198296dd9d7787328eab5beb2e31f550ba63 (patch)
treeb67b831d7596d170c114b8c4300c8367661fd7b0 /linux-user/s390x
parent5d79bd111ff4f9ed0b19c20f6708a770651a9048 (diff)
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linux-user/s390x: Use uint16_t for signal retcode
Using the right type simplifies the frame setup. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Message-Id: <20210428193408.233706-3-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/s390x')
-rw-r--r--linux-user/s390x/signal.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c
index 707fb60..fece8ab 100644
--- a/linux-user/s390x/signal.c
+++ b/linux-user/s390x/signal.c
@@ -25,7 +25,6 @@
#define __NUM_FPRS 16
#define __NUM_ACRS 16
-#define S390_SYSCALL_SIZE 2
#define __SIGNAL_FRAMESIZE 160 /* FIXME: 31-bit mode -> 96 */
#define _SIGCONTEXT_NSIG 64
@@ -62,7 +61,7 @@ typedef struct {
target_sigcontext sc;
target_sigregs sregs;
int signo;
- uint8_t retcode[S390_SYSCALL_SIZE];
+ uint16_t retcode;
} sigframe;
struct target_ucontext {
@@ -75,7 +74,7 @@ struct target_ucontext {
typedef struct {
uint8_t callee_used_stack[__SIGNAL_FRAMESIZE];
- uint8_t retcode[S390_SYSCALL_SIZE];
+ uint16_t retcode;
struct target_siginfo info;
struct target_ucontext uc;
} rt_sigframe;
@@ -155,7 +154,7 @@ void setup_frame(int sig, struct target_sigaction *ka,
env->regs[14] = (frame_addr + offsetof(sigframe, retcode))
| PSW_ADDR_AMODE;
__put_user(S390_SYSCALL_OPCODE | TARGET_NR_sigreturn,
- (uint16_t *)(frame->retcode));
+ &frame->retcode);
}
/* Set up backchain. */
@@ -216,7 +215,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
env->regs[14] = (frame_addr + offsetof(typeof(*frame), retcode))
| PSW_ADDR_AMODE;
__put_user(S390_SYSCALL_OPCODE | TARGET_NR_rt_sigreturn,
- (uint16_t *)(frame->retcode));
+ &frame->retcode);
}
/* Set up backchain. */