diff options
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r-- | linux-user/signal.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 04c21d0ccd..11ddd05173 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -1024,7 +1024,7 @@ give_sigsegv: } static int -restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax) +restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc) { unsigned int err = 0; abi_ulong fpstate_addr; @@ -1042,6 +1042,7 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax) env->regs[R_EBX] = tswapl(sc->ebx); env->regs[R_EDX] = tswapl(sc->edx); env->regs[R_ECX] = tswapl(sc->ecx); + env->regs[R_EAX] = tswapl(sc->eax); env->eip = tswapl(sc->eip); cpu_x86_load_seg(env, R_CS, lduw_p(&sc->cs) | 3); @@ -1059,7 +1060,6 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax) cpu_x86_frstor(env, fpstate_addr, 1); } - *peax = tswapl(sc->eax); return err; badframe: return 1; @@ -1071,7 +1071,7 @@ long do_sigreturn(CPUX86State *env) abi_ulong frame_addr = env->regs[R_ESP] - 8; target_sigset_t target_set; sigset_t set; - int eax, i; + int i; trace_user_do_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) @@ -1086,10 +1086,10 @@ long do_sigreturn(CPUX86State *env) do_sigprocmask(SIG_SETMASK, &set, NULL); /* restore registers */ - if (restore_sigcontext(env, &frame->sc, &eax)) + if (restore_sigcontext(env, &frame->sc)) goto badframe; unlock_user_struct(frame, frame_addr, 0); - return eax; + return -TARGET_QEMU_ESIGRETURN; badframe: unlock_user_struct(frame, frame_addr, 0); @@ -1102,7 +1102,6 @@ long do_rt_sigreturn(CPUX86State *env) abi_ulong frame_addr; struct rt_sigframe *frame; sigset_t set; - int eax; frame_addr = env->regs[R_ESP] - 4; trace_user_do_rt_sigreturn(env, frame_addr); @@ -1111,7 +1110,7 @@ long do_rt_sigreturn(CPUX86State *env) target_to_host_sigset(&set, &frame->uc.tuc_sigmask); do_sigprocmask(SIG_SETMASK, &set, NULL); - if (restore_sigcontext(env, &frame->uc.tuc_mcontext, &eax)) { + if (restore_sigcontext(env, &frame->uc.tuc_mcontext)) { goto badframe; } @@ -1121,7 +1120,7 @@ long do_rt_sigreturn(CPUX86State *env) } unlock_user_struct(frame, frame_addr, 0); - return eax; + return -TARGET_QEMU_ESIGRETURN; badframe: unlock_user_struct(frame, frame_addr, 0); |