diff options
| -rw-r--r-- | linux-user/main.c | 6 | ||||
| -rw-r--r-- | linux-user/sh4/target_signal.h | 1 | ||||
| -rw-r--r-- | linux-user/signal.c | 16 |
3 files changed, 12 insertions, 11 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 04a9b9b4c1..75552a050c 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -2826,7 +2826,11 @@ void cpu_loop(CPUSH4State *env) env->gregs[0], env->gregs[1], 0, 0); - env->gregs[0] = ret; + if (ret == -TARGET_ERESTARTSYS) { + env->pc -= 2; + } else if (ret != -TARGET_QEMU_ESIGRETURN) { + env->gregs[0] = ret; + } break; case EXCP_INTERRUPT: /* just indicate that signals should be handled asap */ diff --git a/linux-user/sh4/target_signal.h b/linux-user/sh4/target_signal.h index e148da0925..f9911aa7f2 100644 --- a/linux-user/sh4/target_signal.h +++ b/linux-user/sh4/target_signal.h @@ -26,4 +26,5 @@ static inline abi_ulong get_sp_from_cpustate(CPUSH4State *state) return state->gregs[15]; } + #endif /* TARGET_SIGNAL_H */ diff --git a/linux-user/signal.c b/linux-user/signal.c index e742347a26..8b5ddf2ad3 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -3202,13 +3202,12 @@ static void setup_sigcontext(struct target_sigcontext *sc, __put_user(mask, &sc->oldmask); } -static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, - target_ulong *r0_p) +static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc) { int i; #define COPY(x) __get_user(regs->x, &sc->sc_##x) - COPY(gregs[1]); + COPY(gregs[0]); COPY(gregs[1]); COPY(gregs[2]); COPY(gregs[3]); COPY(gregs[4]); COPY(gregs[5]); COPY(gregs[6]); COPY(gregs[7]); @@ -3228,7 +3227,6 @@ static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, __get_user(regs->fpul, &sc->sc_fpul); regs->tra = -1; /* disable syscall checks */ - __get_user(*r0_p, &sc->sc_gregs[0]); } static void setup_frame(int sig, struct target_sigaction *ka, @@ -3345,7 +3343,6 @@ long do_sigreturn(CPUSH4State *regs) abi_ulong frame_addr; sigset_t blocked; target_sigset_t target_set; - target_ulong r0; int i; int err = 0; @@ -3366,10 +3363,10 @@ long do_sigreturn(CPUSH4State *regs) target_to_host_sigset_internal(&blocked, &target_set); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - restore_sigcontext(regs, &frame->sc, &r0); + restore_sigcontext(regs, &frame->sc); unlock_user_struct(frame, frame_addr, 0); - return r0; + return -TARGET_QEMU_ESIGRETURN; badframe: unlock_user_struct(frame, frame_addr, 0); @@ -3382,7 +3379,6 @@ long do_rt_sigreturn(CPUSH4State *regs) struct target_rt_sigframe *frame; abi_ulong frame_addr; sigset_t blocked; - target_ulong r0; frame_addr = regs->gregs[15]; trace_user_do_rt_sigreturn(regs, frame_addr); @@ -3393,7 +3389,7 @@ long do_rt_sigreturn(CPUSH4State *regs) target_to_host_sigset(&blocked, &frame->uc.tuc_sigmask); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0); + restore_sigcontext(regs, &frame->uc.tuc_mcontext); if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe, uc.tuc_stack), @@ -3402,7 +3398,7 @@ long do_rt_sigreturn(CPUSH4State *regs) } unlock_user_struct(frame, frame_addr, 0); - return r0; + return -TARGET_QEMU_ESIGRETURN; badframe: unlock_user_struct(frame, frame_addr, 0); |