diff options
| -rw-r--r-- | bsd-user/signal.c | 2 | ||||
| -rw-r--r-- | linux-user/signal.c | 118 | ||||
| -rw-r--r-- | trace-events | 11 |
3 files changed, 69 insertions, 62 deletions
diff --git a/bsd-user/signal.c b/bsd-user/signal.c index e4ee2d0e80..4887ecc617 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -26,8 +26,6 @@ #include "qemu.h" #include "target_signal.h" -//#define DEBUG_SIGNAL - void signal_init(void) { } diff --git a/linux-user/signal.c b/linux-user/signal.c index 9d62e027e3..919aa836fa 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -28,8 +28,7 @@ #include "qemu.h" #include "qemu-common.h" #include "target_signal.h" - -//#define DEBUG_SIGNAL +#include "trace.h" static struct target_sigaltstack target_sigaltstack_used = { .ss_sp = 0, @@ -444,7 +443,9 @@ static void QEMU_NORETURN force_sig(int target_sig) TaskState *ts = (TaskState *)cpu->opaque; int host_sig, core_dumped = 0; struct sigaction act; + host_sig = target_to_host_signal(target_sig); + trace_user_force_sig(env, target_sig, host_sig); gdb_signalled(env, target_sig); /* dump core if supported by target binary format */ @@ -499,10 +500,7 @@ int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info) abi_ulong handler; int queue; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "queue_signal: sig=%d\n", - sig); -#endif + trace_user_queue_signal(env, sig); k = &ts->sigtab[sig - 1]; queue = gdb_queuesig (); handler = sigact_table[sig - 1]._sa_handler; @@ -587,9 +585,7 @@ static void host_signal_handler(int host_signum, siginfo_t *info, sig = host_to_target_signal(host_signum); if (sig < 1 || sig > TARGET_NSIG) return; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "qemu: got signal %d\n", sig); -#endif + trace_user_host_signal(env, host_signum, sig); host_to_target_siginfo_noswap(&tinfo, info); if (queue_signal(env, sig, &tinfo) == 1) { /* interrupt the virtual CPU as soon as possible */ @@ -682,10 +678,6 @@ int do_sigaction(int sig, const struct target_sigaction *act, if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig == TARGET_SIGSTOP) return -EINVAL; k = &sigact_table[sig - 1]; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "sigaction sig=%d act=0x%p, oact=0x%p\n", - sig, act, oact); -#endif if (oact) { __put_user(k->_sa_handler, &oact->_sa_handler); __put_user(k->sa_flags, &oact->sa_flags); @@ -909,6 +901,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -970,6 +963,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -1081,9 +1075,7 @@ long do_sigreturn(CPUX86State *env) sigset_t set; int eax, i; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_sigreturn\n"); -#endif + trace_user_do_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; /* set blocked signals */ @@ -1115,6 +1107,7 @@ long do_rt_sigreturn(CPUX86State *env) int eax; frame_addr = env->regs[R_ESP] - 4; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; target_to_host_sigset(&set, &frame->uc.tuc_sigmask); @@ -1318,6 +1311,7 @@ static void target_setup_frame(int usig, struct target_sigaction *ka, abi_ulong frame_addr, return_addr; frame_addr = get_sigframe(ka, env); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } @@ -1377,6 +1371,7 @@ long do_rt_sigreturn(CPUARMState *env) struct target_rt_sigframe *frame = NULL; abi_ulong frame_addr = env->xregs[31]; + trace_user_do_rt_sigreturn(env, frame_addr); if (frame_addr & 15) { goto badframe; } @@ -1703,6 +1698,7 @@ static void setup_frame_v1(int usig, struct target_sigaction *ka, abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame)); int i; + trace_user_setup_frame(regs, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) return; @@ -1724,6 +1720,7 @@ static void setup_frame_v2(int usig, struct target_sigaction *ka, struct sigframe_v2 *frame; abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame)); + trace_user_setup_frame(regs, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) return; @@ -1756,6 +1753,7 @@ static void setup_rt_frame_v1(int usig, struct target_sigaction *ka, int i; abi_ulong info_addr, uc_addr; + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) return /* 1 */; @@ -1796,6 +1794,7 @@ static void setup_rt_frame_v2(int usig, struct target_sigaction *ka, abi_ulong frame_addr = get_sigframe(ka, env, sizeof(*frame)); abi_ulong info_addr, uc_addr; + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) return /* 1 */; @@ -1871,6 +1870,7 @@ static long do_sigreturn_v1(CPUARMState *env) * not, then the user is trying to mess with us. */ frame_addr = env->regs[13]; + trace_user_do_sigreturn(env, frame_addr); if (frame_addr & 7) { goto badframe; } @@ -2007,6 +2007,7 @@ static long do_sigreturn_v2(CPUARMState *env) * not, then the user is trying to mess with us. */ frame_addr = env->regs[13]; + trace_user_do_sigreturn(env, frame_addr); if (frame_addr & 7) { goto badframe; } @@ -2047,6 +2048,7 @@ static long do_rt_sigreturn_v1(CPUARMState *env) * not, then the user is trying to mess with us. */ frame_addr = env->regs[13]; + trace_user_do_rt_sigreturn(env, frame_addr); if (frame_addr & 7) { goto badframe; } @@ -2088,6 +2090,7 @@ static long do_rt_sigreturn_v2(CPUARMState *env) * not, then the user is trying to mess with us. */ frame_addr = env->regs[13]; + trace_user_do_rt_sigreturn(env, frame_addr); if (frame_addr & 7) { goto badframe; } @@ -2283,13 +2286,13 @@ static void setup_frame(int sig, struct target_sigaction *ka, sigframe_size = NF_ALIGNEDSZ; sf_addr = get_sigframe(ka, env, sigframe_size); + trace_user_setup_frame(env, sf_addr); sf = lock_user(VERIFY_WRITE, sf_addr, sizeof(struct target_signal_frame), 0); if (!sf) goto sigsegv; - //fprintf(stderr, "sf: %x pc %x fp %x sp %x\n", sf, env->pc, env->regwptr[UREG_FP], env->regwptr[UREG_SP]); #if 0 if (invalid_frame_pointer(sf, sigframe_size)) goto sigill_and_return; @@ -2356,7 +2359,6 @@ sigill_and_return: force_sig(TARGET_SIGILL); #endif sigsegv: - //fprintf(stderr, "force_sig\n"); unlock_user(sf, sf_addr, sizeof(struct target_signal_frame)); force_sig(TARGET_SIGSEGV); } @@ -2378,13 +2380,9 @@ long do_sigreturn(CPUSPARCState *env) int err=0, i; sf_addr = env->regwptr[UREG_FP]; + trace_user_do_sigreturn(env, sf_addr); if (!lock_user_struct(VERIFY_READ, sf, sf_addr, 1)) goto segv_and_exit; -#if 0 - fprintf(stderr, "sigreturn\n"); - fprintf(stderr, "sf: %x pc %x fp %x sp %x\n", sf, env->pc, env->regwptr[UREG_FP], env->regwptr[UREG_SP]); -#endif - //cpu_dump_state(env, stderr, fprintf, 0); /* 1. Make sure we are not getting garbage from the user */ @@ -2443,6 +2441,7 @@ segv_and_exit: long do_rt_sigreturn(CPUSPARCState *env) { + trace_user_do_rt_sigreturn(env, 0); fprintf(stderr, "do_rt_sigreturn: not implemented\n"); return -TARGET_ENOSYS; } @@ -2902,6 +2901,7 @@ static void setup_frame(int sig, struct target_sigaction * ka, int i; frame_addr = get_sigframe(ka, regs, sizeof(*frame)); + trace_user_setup_frame(regs, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -2948,10 +2948,8 @@ long do_sigreturn(CPUMIPSState *regs) target_sigset_t target_set; int i; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_sigreturn\n"); -#endif frame_addr = regs->active_tc.gpr[29]; + trace_user_do_sigreturn(regs, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -2998,6 +2996,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -3055,10 +3054,8 @@ long do_rt_sigreturn(CPUMIPSState *env) abi_ulong frame_addr; sigset_t blocked; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_rt_sigreturn\n"); -#endif frame_addr = env->active_tc.gpr[29]; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -3216,6 +3213,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int err = 0; frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame)); + trace_user_setup_frame(regs, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -3265,6 +3263,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, int err = 0; frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame)); + trace_user_setup_rt_frame(regs, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -3325,10 +3324,8 @@ long do_sigreturn(CPUSH4State *regs) int i; int err = 0; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_sigreturn\n"); -#endif frame_addr = regs->gregs[15]; + trace_user_do_sigreturn(regs, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -3361,10 +3358,8 @@ long do_rt_sigreturn(CPUSH4State *regs) sigset_t blocked; target_ulong r0; -#if defined(DEBUG_SIGNAL) - fprintf(stderr, "do_rt_sigreturn\n"); -#endif frame_addr = regs->gregs[15]; + trace_user_do_rt_sigreturn(regs, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -3514,6 +3509,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof *frame); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto badframe; @@ -3579,6 +3575,7 @@ long do_sigreturn(CPUMBState *env) int i; frame_addr = env->regs[R_SP]; + trace_user_do_sigreturn(env, frame_addr); /* Make sure the guest isn't playing games. */ if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1)) goto badframe; @@ -3604,6 +3601,7 @@ long do_sigreturn(CPUMBState *env) long do_rt_sigreturn(CPUMBState *env) { + trace_user_do_rt_sigreturn(env, 0); fprintf(stderr, "Microblaze do_rt_sigreturn: not implemented\n"); return -TARGET_ENOSYS; } @@ -3693,6 +3691,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(env, sizeof *frame); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto badframe; @@ -3746,6 +3745,7 @@ long do_sigreturn(CPUCRISState *env) int i; frame_addr = env->regs[R_SP]; + trace_user_do_sigreturn(env, frame_addr); /* Make sure the guest isn't playing games. */ if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1)) goto badframe; @@ -3767,6 +3767,7 @@ long do_sigreturn(CPUCRISState *env) long do_rt_sigreturn(CPUCRISState *env) { + trace_user_do_rt_sigreturn(env, 0); fprintf(stderr, "CRIS do_rt_sigreturn: not implemented\n"); return -TARGET_ENOSYS; } @@ -3911,6 +3912,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, abi_ulong info_addr, uc_addr; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } @@ -3972,14 +3974,15 @@ give_sigsegv: long do_sigreturn(CPUOpenRISCState *env) { - - qemu_log("do_sigreturn: not implemented\n"); + trace_user_do_sigreturn(env, 0); + fprintf(stderr, "do_sigreturn: not implemented\n"); return -TARGET_ENOSYS; } long do_rt_sigreturn(CPUOpenRISCState *env) { - qemu_log("do_rt_sigreturn: not implemented\n"); + trace_user_do_rt_sigreturn(env, 0); + fprintf(stderr, "do_rt_sigreturn: not implemented\n"); return -TARGET_ENOSYS; } /* TARGET_OPENRISC */ @@ -4102,13 +4105,11 @@ static void setup_frame(int sig, struct target_sigaction *ka, abi_ulong frame_addr; frame_addr = get_sigframe(ka, env, sizeof(*frame)); - qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__, - (unsigned long long)frame_addr); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } - qemu_log("%s: 1\n", __FUNCTION__); __put_user(set->sig[0], &frame->sc.oldmask[0]); save_sigregs(env, &frame->sregs); @@ -4149,7 +4150,6 @@ static void setup_frame(int sig, struct target_sigaction *ka, return; give_sigsegv: - qemu_log("%s: give_sigsegv\n", __FUNCTION__); force_sig(TARGET_SIGSEGV); } @@ -4162,13 +4162,11 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, abi_ulong frame_addr; frame_addr = get_sigframe(ka, env, sizeof *frame); - qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__, - (unsigned long long)frame_addr); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } - qemu_log("%s: 1\n", __FUNCTION__); tswap_siginfo(&frame->info, info); /* Create the ucontext. */ @@ -4207,7 +4205,6 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, return; give_sigsegv: - qemu_log("%s: give_sigsegv\n", __FUNCTION__); force_sig(TARGET_SIGSEGV); } @@ -4222,9 +4219,8 @@ restore_sigregs(CPUS390XState *env, target_sigregs *sc) } __get_user(env->psw.mask, &sc->regs.psw.mask); - qemu_log("%s: sc->regs.psw.addr 0x%llx env->psw.addr 0x%llx\n", - __FUNCTION__, (unsigned long long)sc->regs.psw.addr, - (unsigned long long)env->psw.addr); + trace_user_s390x_restore_sigregs(env, (unsigned long long)sc->regs.psw.addr, + (unsigned long long)env->psw.addr); __get_user(env->psw.addr, &sc->regs.psw.addr); /* FIXME: 31-bit -> | PSW_ADDR_AMODE */ @@ -4242,11 +4238,10 @@ long do_sigreturn(CPUS390XState *env) { sigframe *frame; abi_ulong frame_addr = env->regs[15]; - qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__, - (unsigned long long)frame_addr); target_sigset_t target_set; sigset_t set; + trace_user_do_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) { goto badframe; } @@ -4271,10 +4266,9 @@ long do_rt_sigreturn(CPUS390XState *env) { rt_sigframe *frame; abi_ulong frame_addr = env->regs[15]; - qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__, - (unsigned long long)frame_addr); sigset_t set; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) { goto badframe; } @@ -4659,6 +4653,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, #endif frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1)) goto sigsegv; sc = &frame->sctx; @@ -4723,7 +4718,6 @@ static void setup_frame(int sig, struct target_sigaction *ka, sigsegv: unlock_user_struct(frame, frame_addr, 1); - qemu_log("segfaulting from setup_frame\n"); force_sig(TARGET_SIGSEGV); } @@ -4819,7 +4813,6 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, sigsegv: unlock_user_struct(rt_sf, rt_sf_addr, 1); - qemu_log("segfaulting from setup_rt_frame\n"); force_sig(TARGET_SIGSEGV); } @@ -4857,7 +4850,6 @@ long do_sigreturn(CPUPPCState *env) sigsegv: unlock_user_struct(sr, sr_addr, 1); unlock_user_struct(sc, sc_addr, 1); - qemu_log("segfaulting from do_sigreturn\n"); force_sig(TARGET_SIGSEGV); return 0; } @@ -4913,7 +4905,6 @@ long do_rt_sigreturn(CPUPPCState *env) sigsegv: unlock_user_struct(rt_sf, rt_sf_addr, 1); - qemu_log("segfaulting from do_rt_sigreturn\n"); force_sig(TARGET_SIGSEGV); return 0; } @@ -5037,6 +5028,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof *frame); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -5153,6 +5145,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, int i; frame_addr = get_sigframe(ka, env, sizeof *frame); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) goto give_sigsegv; @@ -5220,6 +5213,7 @@ long do_sigreturn(CPUM68KState *env) sigset_t set; int d0, i; + trace_user_do_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -5254,6 +5248,7 @@ long do_rt_sigreturn(CPUM68KState *env) sigset_t set; int d0; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; @@ -5393,6 +5388,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, int err = 0; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } @@ -5437,6 +5433,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, int i, err = 0; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } @@ -5515,6 +5512,7 @@ long do_rt_sigreturn(CPUAlphaState *env) struct target_rt_sigframe *frame; sigset_t set; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) { goto badframe; } @@ -5622,6 +5620,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, unsigned long restorer; frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { goto give_sigsegv; } @@ -5672,6 +5671,7 @@ long do_rt_sigreturn(CPUTLGState *env) struct target_rt_sigframe *frame; sigset_t set; + trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) { goto badframe; } @@ -5750,9 +5750,7 @@ void process_pending_signals(CPUArchState *cpu_env) return; handle_signal: -#ifdef DEBUG_SIGNAL - fprintf(stderr, "qemu: process signal %d\n", sig); -#endif + trace_user_handle_signal(cpu_env, sig); /* dequeue signal */ q = k->first; k->first = q->next; diff --git a/trace-events b/trace-events index 49f4523c0f..fa504cf494 100644 --- a/trace-events +++ b/trace-events @@ -1797,3 +1797,14 @@ qcrypto_tls_session_new(void *session, void *creds, const char *hostname, const # net/vhost-user.c vhost_user_event(const char *chr, int event) "chr: %s got event: %d" + +# linux-user/signal.c +user_setup_frame(void *env, uint64_t frame_addr) "env=%p frame_addr="PRIx64"" +user_setup_rt_frame(void *env, uint64_t frame_addr) "env=%p frame_addr="PRIx64"" +user_do_rt_sigreturn(void *env, uint64_t frame_addr) "env=%p frame_addr="PRIx64"" +user_do_sigreturn(void *env, uint64_t frame_addr) "env=%p frame_addr="PRIx64"" +user_force_sig(void *env, int target_sig, int host_sig) "env=%p signal %d (host %d)" +user_handle_signal(void *env, int target_sig) "env=%p signal %d" +user_host_signal(void *env, int host_sig, int target_sig) "env=%p signal %d (target %d(" +user_queue_signal(void *env, int target_sig) "env=%p signal %d" +user_s390x_restore_sigregs(void *env, uint64_t sc_psw_addr, uint64_t env_psw_addr) "env=%p frame psw.addr "PRIx64 " current psw.addr "PRIx64"" |