diff options
| -rw-r--r-- | linux-user/signal.c | 43 |
1 files changed, 12 insertions, 31 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index b59ec3d..827638b 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -2889,10 +2889,9 @@ static inline void setup_sigcontext(CPUMIPSState *regs, } } -static inline int +static inline void restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc) { - int err = 0; int i; __get_user(regs->CP0_EPC, &sc->sc_pc); @@ -2919,8 +2918,6 @@ restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc) for (i = 0; i < 32; ++i) { __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]); } - - return err; } /* @@ -3031,8 +3028,7 @@ long do_sigreturn(CPUMIPSState *regs) target_to_host_sigset_internal(&blocked, &target_set); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - if (restore_sigcontext(regs, &frame->sf_sc)) - goto badframe; + restore_sigcontext(regs, &frame->sf_sc); #if 0 /* @@ -3135,8 +3131,7 @@ long do_rt_sigreturn(CPUMIPSState *env) target_to_host_sigset(&blocked, &frame->rs_uc.tuc_sigmask); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - if (restore_sigcontext(env, &frame->rs_uc.tuc_mcontext)) - goto badframe; + restore_sigcontext(env, &frame->rs_uc.tuc_mcontext); if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe, rs_uc.tuc_stack), @@ -3249,10 +3244,9 @@ static void setup_sigcontext(struct target_sigcontext *sc, __put_user(mask, &sc->oldmask); } -static int restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, +static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, target_ulong *r0_p) { - unsigned int err = 0; int i; #define COPY(x) __get_user(regs->x, &sc->sc_##x) @@ -3277,7 +3271,6 @@ static int restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, regs->tra = -1; /* disable syscall checks */ __get_user(*r0_p, &sc->sc_gregs[0]); - return err; } static void setup_frame(int sig, struct target_sigaction *ka, @@ -3422,8 +3415,7 @@ long do_sigreturn(CPUSH4State *regs) target_to_host_sigset_internal(&blocked, &target_set); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - if (restore_sigcontext(regs, &frame->sc, &r0)) - goto badframe; + restore_sigcontext(regs, &frame->sc, &r0); unlock_user_struct(frame, frame_addr, 0); return r0; @@ -3451,8 +3443,7 @@ long do_rt_sigreturn(CPUSH4State *regs) target_to_host_sigset(&blocked, &frame->uc.tuc_sigmask); do_sigprocmask(SIG_SETMASK, &blocked, NULL); - if (restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0)) - goto badframe; + restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0); if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe, uc.tuc_stack), @@ -5086,10 +5077,9 @@ static void setup_sigcontext(struct target_sigcontext *sc, CPUM68KState *env, __put_user(env->pc, &sc->sc_pc); } -static int +static void restore_sigcontext(CPUM68KState *env, struct target_sigcontext *sc, int *pd0) { - int err = 0; int temp; __get_user(env->aregs[7], &sc->sc_usp); @@ -5101,8 +5091,6 @@ restore_sigcontext(CPUM68KState *env, struct target_sigcontext *sc, int *pd0) env->sr = (env->sr & 0xff00) | (temp & 0xff); *pd0 = tswapl(sc->sc_d0); - - return err; } /* @@ -5342,8 +5330,7 @@ long do_sigreturn(CPUM68KState *env) /* restore registers */ - if (restore_sigcontext(env, &frame->sc, &d0)) - goto badframe; + restore_sigcontext(env, &frame->sc, &d0); unlock_user_struct(frame, frame_addr, 0); return d0; @@ -5461,11 +5448,11 @@ static void setup_sigcontext(struct target_sigcontext *sc, CPUAlphaState *env, __put_user(0, &sc->sc_traparg_a2); /* FIXME */ } -static int restore_sigcontext(CPUAlphaState *env, +static void restore_sigcontext(CPUAlphaState *env, struct target_sigcontext *sc) { uint64_t fpcr; - int i, err = 0; + int i; __get_user(env->pc, &sc->sc_pc); @@ -5478,8 +5465,6 @@ static int restore_sigcontext(CPUAlphaState *env, __get_user(fpcr, &sc->sc_fpcr); cpu_alpha_store_fpcr(env, fpcr); - - return err; } static inline abi_ulong get_sigframe(struct target_sigaction *sa, @@ -5613,9 +5598,7 @@ long do_sigreturn(CPUAlphaState *env) target_to_host_sigset_internal(&set, &target_set); do_sigprocmask(SIG_SETMASK, &set, NULL); - if (restore_sigcontext(env, sc)) { - goto badframe; - } + restore_sigcontext(env, sc); unlock_user_struct(sc, sc_addr, 0); return env->ir[IR_V0]; @@ -5636,9 +5619,7 @@ long do_rt_sigreturn(CPUAlphaState *env) target_to_host_sigset(&set, &frame->uc.tuc_sigmask); do_sigprocmask(SIG_SETMASK, &set, NULL); - if (restore_sigcontext(env, &frame->uc.tuc_mcontext)) { - goto badframe; - } + restore_sigcontext(env, &frame->uc.tuc_mcontext); if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe, uc.tuc_stack), 0, env->ir[IR_SP]) == -EFAULT) { |