diff options
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r-- | linux-user/signal.c | 80 |
1 files changed, 37 insertions, 43 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 5a99e610dc..5b1334a1ce 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -432,17 +432,17 @@ int do_sigaction(int sig, const struct target_sigaction *act, if (oact) { oact->_sa_handler = tswapl(k->sa._sa_handler); oact->sa_flags = tswapl(k->sa.sa_flags); - #if !defined(TARGET_MIPS) - oact->sa_restorer = tswapl(k->sa.sa_restorer); - #endif +#if !defined(TARGET_MIPS) + oact->sa_restorer = tswapl(k->sa.sa_restorer); +#endif oact->sa_mask = k->sa.sa_mask; } if (act) { k->sa._sa_handler = tswapl(act->_sa_handler); k->sa.sa_flags = tswapl(act->sa_flags); - #if !defined(TARGET_MIPS) - k->sa.sa_restorer = tswapl(act->sa_restorer); - #endif +#if !defined(TARGET_MIPS) + k->sa.sa_restorer = tswapl(act->sa_restorer); +#endif k->sa.sa_mask = act->sa_mask; /* we update the host linux signal state */ @@ -1684,8 +1684,8 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __put_user(regs->PC, &sc->sc_pc); - #define save_gp_reg(i) do { \ - err |= __put_user(regs->gpr[i], &sc->sc_regs[i]); \ +#define save_gp_reg(i) do { \ + err |= __put_user(regs->gpr[i], &sc->sc_regs[i]); \ } while(0) __put_user(0, &sc->sc_regs[0]); save_gp_reg(1); save_gp_reg(2); save_gp_reg(3); save_gp_reg(4); save_gp_reg(5); save_gp_reg(6); @@ -1696,7 +1696,7 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) save_gp_reg(23); save_gp_reg(24); save_gp_reg(25); save_gp_reg(26); save_gp_reg(27); save_gp_reg(28); save_gp_reg(29); save_gp_reg(30); save_gp_reg(31); - #undef save_gp_reg +#undef save_gp_reg err |= __put_user(regs->HI, &sc->sc_mdhi); err |= __put_user(regs->LO, &sc->sc_mdlo); @@ -1713,7 +1713,7 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); } /* same with 64 bit */ - #ifdef CONFIG_64BIT +#ifdef CONFIG_64BIT err |= __put_user(regs->hi, &sc->sc_hi[0]); err |= __put_user(regs->lo, &sc->sc_lo[0]); if (cpu_has_dsp) { @@ -1725,13 +1725,10 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __put_user(mflo3(), &sc->sc_lo[3]); err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); } - #endif - - - #endif - +#endif +#endif - #if 0 +#if 0 err |= __put_user(!!used_math(), &sc->sc_used_math); if (!used_math()) @@ -1765,7 +1762,7 @@ restore_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __get_user(regs->HI, &sc->sc_mdhi); err |= __get_user(regs->LO, &sc->sc_mdlo); - #define restore_gp_reg(i) do { \ +#define restore_gp_reg(i) do { \ err |= __get_user(regs->gpr[i], &sc->sc_regs[i]); \ } while(0) restore_gp_reg( 1); restore_gp_reg( 2); restore_gp_reg( 3); @@ -1779,7 +1776,7 @@ restore_sigcontext(CPUState *regs, struct target_sigcontext *sc) restore_gp_reg(25); restore_gp_reg(26); restore_gp_reg(27); restore_gp_reg(28); restore_gp_reg(29); restore_gp_reg(30); restore_gp_reg(31); - #undef restore_gp_reg +#undef restore_gp_reg #if 0 if (cpu_has_dsp) { @@ -1791,7 +1788,7 @@ restore_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg); err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); } - #ifdef CONFIG_64BIT +#ifdef CONFIG_64BIT err |= __get_user(regs->hi, &sc->sc_hi[0]); err |= __get_user(regs->lo, &sc->sc_lo[0]); if (cpu_has_dsp) { @@ -1803,7 +1800,7 @@ restore_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __get_user(treg, &sc->sc_lo[3]); mthi3(treg); err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); } - #endif +#endif err |= __get_user(used_math, &sc->sc_used_math); conditional_used_math(used_math); @@ -1898,51 +1895,50 @@ give_sigsegv: long do_sigreturn(CPUState *regs) { - struct sigframe *frame; - sigset_t blocked; - target_sigset_t target_set; - int i; + struct sigframe *frame; + sigset_t blocked; + target_sigset_t target_set; + int i; #if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_sigreturn\n"); + fprintf(stderr, "do_sigreturn\n"); #endif - frame = (struct sigframe *) regs->gpr[29]; - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) + frame = (struct sigframe *) regs->gpr[29]; + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; - for(i = 0; i < TARGET_NSIG_WORDS; i++) { + for(i = 0; i < TARGET_NSIG_WORDS; i++) { if(__get_user(target_set.sig[i], &frame->sf_mask.sig[i])) goto badframe; - } + } - target_to_host_sigset_internal(&blocked, &target_set); - sigprocmask(SIG_SETMASK, &blocked, NULL); + target_to_host_sigset_internal(&blocked, &target_set); + sigprocmask(SIG_SETMASK, &blocked, NULL); - if (restore_sigcontext(regs, &frame->sf_sc)) + if (restore_sigcontext(regs, &frame->sf_sc)) goto badframe; #if 0 - /* - * Don't let your children do this ... - */ - __asm__ __volatile__( + /* + * Don't let your children do this ... + */ + __asm__ __volatile__( "move\t$29, %0\n\t" "j\tsyscall_exit" :/* no outputs */ :"r" (®s)); - /* Unreached */ + /* Unreached */ #endif regs->PC = regs->CP0_EPC; - /* I am not sure this is right, but it seems to work + /* I am not sure this is right, but it seems to work * maybe a problem with nested signals ? */ regs->CP0_EPC = 0; return 0; badframe: - force_sig(TARGET_SIGSEGV/*, current*/); - return 0; - + force_sig(TARGET_SIGSEGV/*, current*/); + return 0; } static void setup_rt_frame(int sig, struct emulated_sigaction *ka, @@ -2070,5 +2066,3 @@ void process_pending_signals(void *cpu_env) if (q != &k->info) free_sigqueue(q); } - - |