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-rw-r--r--signal.c1528
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diff --git a/signal.c b/signal.c
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+++ b/signal.c
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+/*
+ * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
+ * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
+ * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+#include "defs.h"
+
+/* ugly hack to make header file do what I want - davidw */
+#ifdef __arm__
+#undef __USE_POSIX199309
+#endif
+
+#include <signal.h>
+#include <sys/user.h>
+#include <fcntl.h>
+#if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 1
+# include <sys/reg.h>
+#endif
+
+#ifdef SVR4
+#include <sys/ucontext.h>
+#endif /* SVR4 */
+
+#ifdef LINUX
+#include <linux/ptrace.h>
+#ifdef HAVE_ASM_SIGCONTEXT_H
+#include <asm/sigcontext.h>
+#ifdef SPARC
+typedef struct {
+ struct pt_regs si_regs;
+ int si_mask;
+} m_siginfo_t;
+#endif
+#else /* !HAVE_ASM_SIGCONTEXT_H */
+#ifdef I386
+struct sigcontext_struct {
+ unsigned short gs, __gsh;
+ unsigned short fs, __fsh;
+ unsigned short es, __esh;
+ unsigned short ds, __dsh;
+ unsigned long edi;
+ unsigned long esi;
+ unsigned long ebp;
+ unsigned long esp;
+ unsigned long ebx;
+ unsigned long edx;
+ unsigned long ecx;
+ unsigned long eax;
+ unsigned long trapno;
+ unsigned long err;
+ unsigned long eip;
+ unsigned short cs, __csh;
+ unsigned long eflags;
+ unsigned long esp_at_signal;
+ unsigned short ss, __ssh;
+ unsigned long i387;
+ unsigned long oldmask;
+ unsigned long cr2;
+};
+#else /* !I386 */
+#ifdef M68K
+struct sigcontext_struct
+{
+ unsigned long sc_mask;
+ unsigned long sc_usp;
+ unsigned long sc_d0;
+ unsigned long sc_d1;
+ unsigned long sc_a0;
+ unsigned long sc_a1;
+ unsigned short sc_sr;
+ unsigned long sc_pc;
+ unsigned short sc_formatvec;
+};
+#endif /* M68K */
+#endif /* !I386 */
+#endif /* !HAVE_ASM_SIGCONTEXT_H */
+#ifndef NSIG
+#define NSIG 32
+#endif
+#ifdef ARM
+#undef NSIG
+#define NSIG 32
+#endif
+#endif /* LINUX */
+
+char *signalent0[] = {
+#include "signalent.h"
+};
+int nsignals0 = sizeof signalent0 / sizeof signalent0[0];
+
+#if SUPPORTED_PERSONALITIES >= 2
+char *signalent1[] = {
+#include "signalent1.h"
+};
+int nsignals1 = sizeof signalent1 / sizeof signalent1[0];
+#endif /* SUPPORTED_PERSONALITIES >= 2 */
+
+#if SUPPORTED_PERSONALITIES >= 3
+char *signalent2[] = {
+#include "signalent2.h"
+};
+int nsignals2 = sizeof signalent2 / sizeof signalent2[0];
+#endif /* SUPPORTED_PERSONALITIES >= 3 */
+
+char **signalent;
+int nsignals;
+
+#ifdef SUNOS4
+
+static struct xlat sigvec_flags[] = {
+ { SV_ONSTACK, "SV_ONSTACK" },
+ { SV_INTERRUPT, "SV_INTERRUPT" },
+ { SV_RESETHAND, "SV_RESETHAND" },
+ { SA_NOCLDSTOP, "SA_NOCLDSTOP" },
+ { 0, NULL },
+};
+
+#endif /* SUNOS4 */
+
+#ifdef HAVE_SIGACTION
+
+static struct xlat sigact_flags[] = {
+#ifdef SA_STACK
+ { SA_STACK, "SA_STACK" },
+#endif
+#ifdef SA_RESTART
+ { SA_RESTART, "SA_RESTART" },
+#endif
+#ifdef SA_INTERRUPT
+ { SA_INTERRUPT, "SA_INTERRUPT" },
+#endif
+#ifdef SA_NOMASK
+ { SA_NOMASK, "SA_NOMASK" },
+#endif
+#ifdef SA_ONESHOT
+ { SA_ONESHOT, "SA_ONESHOT" },
+#endif
+#ifdef SA_SIGINFO
+ { SA_SIGINFO, "SA_SIGINFO" },
+#endif
+#ifdef SA_RESETHAND
+ { SA_RESETHAND, "SA_RESETHAND" },
+#endif
+#ifdef SA_ONSTACK
+ { SA_ONSTACK, "SA_ONSTACK" },
+#endif
+#ifdef SA_NODEFER
+ { SA_NODEFER, "SA_NODEFER" },
+#endif
+#ifdef SA_NOCLDSTOP
+ { SA_NOCLDSTOP, "SA_NOCLDSTOP" },
+#endif
+#ifdef SA_NOCLDWAIT
+ { SA_NOCLDWAIT, "SA_NOCLDWAIT" },
+#endif
+#ifdef _SA_BSDCALL
+ { _SA_BSDCALL, "_SA_BSDCALL" },
+#endif
+ { 0, NULL },
+};
+
+static struct xlat sigprocmaskcmds[] = {
+ { SIG_BLOCK, "SIG_BLOCK" },
+ { SIG_UNBLOCK, "SIG_UNBLOCK" },
+ { SIG_SETMASK, "SIG_SETMASK" },
+#ifdef SIG_SETMASK32
+ { SIG_SETMASK32,"SIG_SETMASK32" },
+#endif
+ { 0, NULL },
+};
+
+#endif /* HAVE_SIGACTION */
+
+
+static char *
+sprintsigmask(s, mask)
+char *s;
+sigset_t *mask;
+{
+ int i, nsigs;
+ char *format;
+ static char outstr[256];
+
+ strcpy(outstr, s);
+ s = outstr + strlen(outstr);
+ nsigs = 0;
+ for (i = 1; i <= nsignals; i++) {
+ if (sigismember(mask, i) == 1)
+ nsigs++;
+ }
+ if (nsigs >= nsignals * 2 / 3) {
+ *s++ = '~';
+ for (i = 1; i <= nsignals; i++) {
+ switch (sigismember(mask, i)) {
+ case 1:
+ sigdelset(mask, i);
+ break;
+ case 0:
+ sigaddset(mask, i);
+ break;
+ }
+ }
+ }
+ format = "%s";
+ *s++ = '[';
+ for (i = 1; i <= nsignals; i++) {
+ if (sigismember(mask, i) == 1) {
+ sprintf(s, format, signalent[i] + 3); s += strlen(s);
+ format = " %s";
+ }
+ }
+ *s++ = ']';
+ *s = '\0';
+ return outstr;
+}
+
+static void
+printsigmask(mask)
+sigset_t *mask;
+{
+ tprintf("%s", sprintsigmask("", mask));
+}
+
+void
+printsignal(nr)
+int nr;
+{
+ if (nr > 0 && nr < nsignals)
+ tprintf("%s", signalent[nr]);
+ else
+ tprintf("%d", nr);
+}
+
+/*
+ * Check process TCP for the disposition of signal SIG.
+ * Return 1 if the process would somehow manage to survive signal SIG,
+ * else return 0. This routine will never be called with SIGKILL.
+ */
+int
+sigishandled(tcp, sig)
+struct tcb *tcp;
+int sig;
+{
+#ifdef LINUX
+ int sfd;
+ char sname[32];
+ char buf[1024];
+ char *s;
+ int i;
+ int signalled, blocked, ignored, caught;
+
+ /* This is incredibly costly but it's worth it. */
+ sprintf(sname, "/proc/%d/stat", tcp->pid);
+ if ((sfd = open(sname, O_RDONLY)) == -1) {
+ perror(sname);
+ return 1;
+ }
+ i = read(sfd, buf, 1024);
+ buf[i] = '\0';
+ close(sfd);
+ /*
+ * Skip the extraneous fields. This loses if the
+ * command name has any spaces in it. So be it.
+ */
+ for (i = 0, s = buf; i < 30; i++) {
+ while (*++s != ' ') {
+ if (!*s)
+ break;
+ }
+ }
+ if (sscanf(s, "%d%d%d%d",
+ &signalled, &blocked, &ignored, &caught) != 4) {
+ fprintf(stderr, "/proc/pid/stat format error\n");
+ return 1;
+ }
+#ifdef DEBUG
+ fprintf(stderr, "sigs: %08x %08x %08x %08x\n",
+ signalled, blocked, ignored, caught);
+#endif
+ if ((ignored & sigmask(sig)) || (caught & sigmask(sig)))
+ return 1;
+#endif /* LINUX */
+
+#ifdef SUNOS4
+ void (*u_signal)();
+
+ if (upeek(tcp->pid, uoff(u_signal[0]) + sig*sizeof(u_signal),
+ (long *) &u_signal) < 0) {
+ return 0;
+ }
+ if (u_signal != SIG_DFL)
+ return 1;
+#endif /* SUNOS4 */
+
+#ifdef SVR4
+ /*
+ * Since procfs doesn't interfere with wait I think it is safe
+ * to punt on this question. If not, the information is there.
+ */
+ return 1;
+#else /* !SVR4 */
+ switch (sig) {
+ case SIGCONT:
+ case SIGSTOP:
+ case SIGTSTP:
+ case SIGTTIN:
+ case SIGTTOU:
+ case SIGCHLD:
+ case SIGIO:
+#if defined(SIGURG) && SIGURG != SIGIO
+ case SIGURG:
+#endif
+ case SIGWINCH:
+ /* Gloria Gaynor says ... */
+ return 1;
+ default:
+ break;
+ }
+ return 0;
+#endif /* !SVR4 */
+}
+
+#if defined(SUNOS4)
+
+int
+sys_sigvec(tcp)
+struct tcb *tcp;
+{
+ struct sigvec sv;
+ long addr;
+
+ if (entering(tcp)) {
+ printsignal(tcp->u_arg[0]);
+ tprintf(", ");
+ addr = tcp->u_arg[1];
+ } else {
+ addr = tcp->u_arg[2];
+ }
+ if (addr == 0)
+ tprintf("NULL");
+ else if (!verbose(tcp))
+ tprintf("%#lx", addr);
+ else if (umove(tcp, addr, &sv) < 0)
+ tprintf("{...}");
+ else {
+ switch ((int) sv.sv_handler) {
+ case (int) SIG_ERR:
+ tprintf("{SIG_ERR}");
+ break;
+ case (int) SIG_DFL:
+ tprintf("{SIG_DFL}");
+ break;
+ case (int) SIG_IGN:
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+ tprintf("{SIG_IGN}");
+ break;
+ case (int) SIG_HOLD:
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+ tprintf("SIG_HOLD");
+ break;
+ default:
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+ tprintf("{%#lx, ", (unsigned long) sv.sv_handler);
+ printsigmask(&sv.sv_mask);
+ tprintf(", ");
+ if (!printflags(sigvec_flags, sv.sv_flags))
+ tprintf("0");
+ tprintf("}");
+ }
+ }
+ if (entering(tcp))
+ tprintf(", ");
+ return 0;
+}
+
+int
+sys_sigpause(tcp)
+struct tcb *tcp;
+{
+ if (entering(tcp)) { /* WTA: UD had a bug here: he forgot the braces */
+ sigset_t sigm = tcp->u_arg[0];
+ printsigmask(&sigm);
+ }
+ return 0;
+}
+
+int
+sys_sigstack(tcp)
+struct tcb *tcp;
+{
+ struct sigstack ss;
+ long addr;
+
+ if (entering(tcp))
+ addr = tcp->u_arg[0];
+ else
+ addr = tcp->u_arg[1];
+ if (addr == 0)
+ tprintf("NULL");
+ else if (umove(tcp, addr, &ss) < 0)
+ tprintf("%#lx", addr);
+ else {
+ tprintf("{ss_sp %#lx ", (unsigned long) ss.ss_sp);
+ tprintf("ss_onstack %s}", ss.ss_onstack ? "YES" : "NO");
+ }
+ if (entering(tcp))
+ tprintf(", ");
+ return 0;
+}
+
+int
+sys_sigcleanup(tcp)
+struct tcb *tcp;
+{
+ return 0;
+}
+
+#endif /* SUNOS4 */
+
+#ifndef SVR4
+
+int
+sys_sigsetmask(tcp)
+struct tcb *tcp;
+{
+ if (entering(tcp)) {
+#ifdef LINUX
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[0];
+#else
+ sigset_t sigm = tcp->u_arg[0];
+#endif
+ printsigmask(&sigm);
+ if ((tcp->u_arg[0] & sigmask(SIGTRAP))) {
+ /* Mark attempt to block SIGTRAP */
+ tcp->flags |= TCB_SIGTRAPPED;
+ /* Send unblockable signal */
+ kill(tcp->pid, SIGSTOP);
+ }
+ }
+ else if (!syserror(tcp)) {
+#ifdef LINUX
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_rval;
+#else
+ sigset_t sigm = tcp->u_rval;
+#endif
+ tcp->auxstr = sprintsigmask("old mask ", &sigm);
+
+ return RVAL_HEX | RVAL_STR;
+ }
+ return 0;
+}
+
+int
+sys_sigblock(tcp)
+struct tcb *tcp;
+{
+ return sys_sigsetmask(tcp);
+}
+
+#endif /* !SVR4 */
+
+#ifdef HAVE_SIGACTION
+
+#ifdef LINUX
+struct old_sigaction {
+ __sighandler_t __sa_handler;
+ unsigned long sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+#endif
+
+int
+sys_sigaction(tcp)
+struct tcb *tcp;
+{
+ long addr;
+#ifdef LINUX
+ sigset_t sigset;
+ struct old_sigaction sa;
+ sigemptyset(&sigset);
+#else
+ struct sigaction sa;
+#endif
+
+
+ if (entering(tcp)) {
+ printsignal(tcp->u_arg[0]);
+ tprintf(", ");
+ addr = tcp->u_arg[1];
+ } else
+ addr = tcp->u_arg[2];
+ if (addr == 0)
+ tprintf("NULL");
+ else if (!verbose(tcp))
+ tprintf("%#lx", addr);
+ else if (umove(tcp, addr, &sa) < 0)
+ tprintf("{...}");
+ else {
+ switch ((long) sa.__sa_handler) {
+ case (long) SIG_ERR:
+ tprintf("{SIG_ERR}");
+ break;
+ case (long) SIG_DFL:
+ tprintf("{SIG_DFL}");
+ break;
+ case (long) SIG_IGN:
+#ifndef SVR4
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+#endif /* !SVR4 */
+ tprintf("{SIG_IGN}");
+ break;
+ default:
+#ifndef SVR4
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+#endif /* !SVR4 */
+ tprintf("{%#lx, ", (long) sa.__sa_handler);
+#ifdef LINUX
+ sigset.__val[0] = sa.sa_mask;
+ printsigmask(&sigset);
+#else
+ printsigmask(&sa.sa_mask);
+#endif
+ tprintf(", ");
+ if (!printflags(sigact_flags, sa.sa_flags))
+ tprintf("0");
+ tprintf("}");
+ }
+ }
+ if (entering(tcp))
+ tprintf(", ");
+#ifdef LINUX
+ else
+ tprintf(", %#lx", (unsigned long) sa.sa_restorer);
+#endif
+ return 0;
+}
+
+int
+sys_signal(tcp)
+struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ printsignal(tcp->u_arg[0]);
+ switch (tcp->u_arg[1]) {
+ case (int) SIG_ERR:
+ tprintf("SIG_ERR");
+ break;
+ case (int) SIG_DFL:
+ tprintf("SIG_DFL");
+ break;
+ case (int) SIG_IGN:
+#ifndef SVR4
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+#endif /* !SVR4 */
+ tprintf("SIG_IGN");
+ break;
+ default:
+#ifndef SVR4
+ if (tcp->u_arg[0] == SIGTRAP) {
+ tcp->flags |= TCB_SIGTRAPPED;
+ kill(tcp->pid, SIGSTOP);
+ }
+#endif /* !SVR4 */
+ tprintf("%#lx", tcp->u_arg[1]);
+ }
+ }
+ return 0;
+}
+
+#endif /* HAVE_SIGACTION */
+
+#ifdef LINUX
+
+int
+sys_sigreturn(tcp)
+struct tcb *tcp;
+{
+#ifdef I386
+ long esp;
+ struct sigcontext_struct sc;
+
+ if (entering(tcp)) {
+ tcp->u_arg[0] = 0;
+ if (upeek(tcp->pid, 4*UESP, &esp) < 0)
+ return 0;
+ if (umove(tcp, esp, &sc) < 0)
+ return 0;
+ tcp->u_arg[0] = 1;
+ tcp->u_arg[1] = sc.oldmask;
+ }
+ else {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[1];
+ tcp->u_rval = tcp->u_error = 0;
+ if (tcp->u_arg[0] == 0)
+ return 0;
+ tcp->auxstr = sprintsigmask("mask now ", &sigm);
+ return RVAL_NONE | RVAL_STR;
+ }
+ return 0;
+#else /* !I386 */
+#ifdef POWERPC
+ long esp;
+ struct sigcontext_struct sc;
+
+ if (entering(tcp)) {
+ tcp->u_arg[0] = 0;
+ if (upeek(tcp->pid, 4*PT_R1, &esp) < 0)
+ return 0;
+ if (umove(tcp, esp, &sc) < 0)
+ return 0;
+ tcp->u_arg[0] = 1;
+ tcp->u_arg[1] = sc.oldmask;
+ }
+ else {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[1];
+ tcp->u_rval = tcp->u_error = 0;
+ if (tcp->u_arg[0] == 0)
+ return 0;
+ tcp->auxstr = sprintsigmask("mask now ", &sigm);
+ return RVAL_NONE | RVAL_STR;
+ }
+ return 0;
+#else /* !POWERPC */
+#ifdef M68K
+ long usp;
+ struct sigcontext_struct sc;
+
+ if (entering(tcp)) {
+ tcp->u_arg[0] = 0;
+ if (upeek(tcp->pid, 4*PT_USP, &usp) < 0)
+ return 0;
+ if (umove(tcp, usp, &sc) < 0)
+ return 0;
+ tcp->u_arg[0] = 1;
+ tcp->u_arg[1] = sc.sc_mask;
+ }
+ else {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[1];
+ tcp->u_rval = tcp->u_error = 0;
+ if (tcp->u_arg[0] == 0)
+ return 0;
+ tcp->auxstr = sprintsigmask("mask now ", &sigm);
+ return RVAL_NONE | RVAL_STR;
+ }
+ return 0;
+#else /* !M68K */
+#ifdef ALPHA
+ long fp;
+ struct sigcontext_struct sc;
+
+ if (entering(tcp)) {
+ tcp->u_arg[0] = 0;
+ if (upeek(tcp->pid, REG_FP, &fp) < 0)
+ return 0;
+ if (umove(tcp, fp, &sc) < 0)
+ return 0;
+ tcp->u_arg[0] = 1;
+ tcp->u_arg[1] = sc.sc_mask;
+ }
+ else {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[1];
+ tcp->u_rval = tcp->u_error = 0;
+ if (tcp->u_arg[0] == 0)
+ return 0;
+ tcp->auxstr = sprintsigmask("mask now ", &sigm);
+ return RVAL_NONE | RVAL_STR;
+ }
+ return 0;
+#else
+#ifdef SPARC
+ long i1;
+ struct pt_regs regs;
+ m_siginfo_t si;
+
+ if(ptrace(PTRACE_GETREGS, tcp->pid, (char *)&regs, 0) < 0) {
+ perror("sigreturn: PTRACE_GETREGS ");
+ return 0;
+ }
+ memmove (&regs.u_regs [1], &regs.u_regs [0],
+ sizeof (regs.u_regs) - sizeof (regs.u_regs [0]));
+ if(entering(tcp)) {
+ tcp->u_arg[0] = 0;
+ i1 = regs.u_regs[UREG_I1];
+ if(umove(tcp, i1, &si) < 0) {
+ perror("sigreturn: umove ");
+ return 0;
+ }
+ tcp->u_arg[0] = 1;
+ tcp->u_arg[1] = si.si_mask;
+ } else {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[1];
+ tcp->u_rval = tcp->u_error = 0;
+ if(tcp->u_arg[0] == 0)
+ return 0;
+ tcp->auxstr = sprintsigmask("mask now ", &sigm);
+ return RVAL_NONE | RVAL_STR;
+ }
+ return 0;
+#endif /* SPARC */
+#endif /* ALPHA */
+#endif /* !M68K */
+#endif /* !POWERPC */
+#endif /* !I386 */
+}
+
+int
+sys_siggetmask(tcp)
+struct tcb *tcp;
+{
+ if (exiting(tcp)) {
+#ifdef LINUX
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_rval;
+#else
+ sigset_t sigm = tcp->u_rval;
+#endif
+ tcp->auxstr = sprintsigmask("mask ", &sigm);
+ }
+ return RVAL_HEX | RVAL_STR;
+}
+
+int
+sys_sigsuspend(tcp)
+struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ sigm.__val[0] = tcp->u_arg[2];
+#if 0
+ /* first two are not really arguments, but print them anyway */
+ /* nevermind, they are an anachronism now, too bad... */
+ tprintf("%d, %#x, ", tcp->u_arg[0], tcp->u_arg[1]);
+#endif
+ printsigmask(&sigm);
+ }
+ return 0;
+}
+
+#endif /* LINUX */
+
+#ifdef SVR4
+
+int
+sys_sigsuspend(tcp)
+struct tcb *tcp;
+{
+ sigset_t sigset;
+
+ if (entering(tcp)) {
+ if (umove(tcp, tcp->u_arg[0], &sigset) < 0)
+ tprintf("[?]");
+ else
+ printsigmask(sigset);
+ }
+ return 0;
+}
+static struct xlat ucontext_flags[] = {
+ { UC_SIGMASK, "UC_SIGMASK" },
+ { UC_STACK, "UC_STACK" },
+ { UC_CPU, "UC_CPU" },
+#ifdef UC_FPU
+ { UC_FPU, "UC_FPU" },
+#endif
+#ifdef UC_INTR
+ { UC_INTR, "UC_INTR" },
+#endif
+ { 0, NULL },
+};
+
+#endif
+
+#if defined SVR4 || defined LINUX
+#if defined LINUX && !defined SS_ONSTACK
+#define SS_ONSTACK 1
+#define SS_DISABLE 2
+#if __GLIBC_MINOR__ == 0
+typedef struct
+{
+ __ptr_t ss_sp;
+ int ss_flags;
+ size_t ss_size;
+} stack_t;
+#endif
+#endif
+
+static struct xlat sigaltstack_flags[] = {
+ { SS_ONSTACK, "SS_ONSTACK" },
+ { SS_DISABLE, "SS_DISABLE" },
+ { 0, NULL },
+};
+#endif
+
+#ifdef SVR4
+static void
+printcontext(tcp, ucp)
+struct tcb *tcp;
+ucontext_t *ucp;
+{
+ tprintf("{");
+ if (!abbrev(tcp)) {
+ tprintf("uc_flags=");
+ if (!printflags(ucontext_flags, ucp->uc_flags))
+ tprintf("0");
+ tprintf(", uc_link=%#lx, ", (unsigned long) ucp->uc_link);
+ }
+ tprintf("uc_sigmask=");
+ printsigmask(ucp->uc_sigmask);
+ if (!abbrev(tcp)) {
+ tprintf(", uc_stack={ss_sp=%#lx, ss_size=%d, ss_flags=",
+ (unsigned long) ucp->uc_stack.ss_sp,
+ ucp->uc_stack.ss_size);
+ if (!printflags(sigaltstack_flags, ucp->uc_stack.ss_flags))
+ tprintf("0");
+ tprintf("}");
+ }
+ tprintf(", ...}");
+}
+
+int
+sys_getcontext(tcp)
+struct tcb *tcp;
+{
+ ucontext_t uc;
+
+ if (entering(tcp)) {
+ if (!tcp->u_arg[0])
+ tprintf("NULL");
+ else if (umove(tcp, tcp->u_arg[0], &uc) < 0)
+ tprintf("{...}");
+ else
+ printcontext(tcp, &uc);
+ }
+ return 0;
+}
+
+int
+sys_setcontext(tcp)
+struct tcb *tcp;
+{
+ ucontext_t uc;
+
+ if (entering(tcp)) {
+ if (!tcp->u_arg[0])
+ tprintf("NULL");
+ else if (umove(tcp, tcp->u_arg[0], &uc) < 0)
+ tprintf("{...}");
+ else
+ printcontext(tcp, &uc);
+ }
+ else {
+ tcp->u_rval = tcp->u_error = 0;
+ if (tcp->u_arg[0] == 0)
+ return 0;
+ return RVAL_NONE;
+ }
+ return 0;
+}
+
+#endif /* SVR4 */
+
+#ifdef LINUX
+
+static int
+print_stack_t(tcp, addr)
+struct tcb *tcp;
+unsigned long addr;
+{
+ stack_t ss;
+ if (umove(tcp, addr, &ss) < 0)
+ return -1;
+ tprintf("{ss_sp=%#lx, ss_flags=", (unsigned long) ss.ss_sp);
+ if (!printflags(sigaltstack_flags, ss.ss_flags))
+ tprintf("0");
+ tprintf(", ss_size=%lu}", (unsigned long) ss.ss_size);
+ return 0;
+}
+
+int
+sys_sigaltstack(tcp)
+ struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ if (tcp->u_arg[0] == 0)
+ tprintf("NULL");
+ else if (print_stack_t(tcp, tcp->u_arg[0]) < 0)
+ return -1;
+ }
+ else {
+ tprintf(", ");
+ if (tcp->u_arg[1] == 0)
+ tprintf("NULL");
+ else if (print_stack_t(tcp, tcp->u_arg[1]) < 0)
+ return -1;
+ }
+ return 0;
+}
+#endif
+
+#ifdef HAVE_SIGACTION
+
+int
+sys_sigprocmask(tcp)
+struct tcb *tcp;
+{
+#ifdef ALPHA
+ if (entering(tcp)) {
+ printxval(sigprocmaskcmds, tcp->u_arg[0], "SIG_???");
+ tprintf(", ");
+ printsigmask(tcp->u_arg[1]);
+ }
+ else if (!syserror(tcp)) {
+ tcp->auxstr = sprintsigmask("old mask ", tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
+ }
+#else /* !ALPHA */
+ sigset_t sigset;
+#ifdef LINUX
+ sigemptyset(&sigset);
+#endif
+
+ if (entering(tcp)) {
+#ifdef SVR4
+ if (tcp->u_arg[0] == 0)
+ tprintf("0");
+ else
+#endif /* SVR4 */
+ printxval(sigprocmaskcmds, tcp->u_arg[0], "SIG_???");
+ tprintf(", ");
+ if (!tcp->u_arg[1])
+ tprintf("NULL, ");
+#ifdef LINUX
+ else if (umoven(tcp, tcp->u_arg[1], 4, (char *) &sigset.__val[0]) < 0)
+ tprintf("%#lx, ", tcp->u_arg[1]);
+#else
+ else if (umove(tcp, tcp->u_arg[1], &sigset) < 0)
+ tprintf("%#lx, ", tcp->u_arg[1]);
+#endif
+ else {
+ printsigmask(&sigset);
+ tprintf(", ");
+ }
+ }
+ else {
+ if (!tcp->u_arg[2])
+ tprintf("NULL");
+ else if (syserror(tcp))
+ tprintf("%#lx", tcp->u_arg[2]);
+#ifdef LINUX
+ else if (umoven(tcp, tcp->u_arg[2], 4, (char *) &sigset.__val[0]) < 0)
+ tprintf("[?]");
+#else
+ else if (umove(tcp, tcp->u_arg[2], &sigset) < 0)
+ tprintf("[?]");
+#endif
+ else
+ printsigmask(&sigset);
+ }
+#endif /* !ALPHA */
+ return 0;
+}
+
+#endif /* HAVE_SIGACTION */
+
+int
+sys_kill(tcp)
+struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ long sig = tcp->u_arg[1];
+
+ if (sig >= 0 && sig < NSIG)
+ tprintf("%ld, %s", tcp->u_arg[0], signalent[sig]);
+ else
+ tprintf("%ld, %ld", tcp->u_arg[0], sig);
+ }
+ return 0;
+}
+
+int
+sys_killpg(tcp)
+struct tcb *tcp;
+{
+ return sys_kill(tcp);
+}
+
+int
+sys_sigpending(tcp)
+struct tcb *tcp;
+{
+ sigset_t sigset;
+#ifdef LINUX
+ sigemptyset(&sigset);
+#endif
+
+ if (exiting(tcp)) {
+ if (syserror(tcp))
+ tprintf("%#lx", tcp->u_arg[0]);
+#ifdef LINUX
+ else if (umoven(tcp, tcp->u_arg[0], 4, (char *) &sigset.__val[0]) < 0)
+ tprintf("[?]");
+#else
+ else if (umove(tcp, tcp->u_arg[0], &sigset) < 0)
+ tprintf("[?]");
+#endif
+ else
+ printsigmask(sigset);
+ }
+ return 0;
+}
+
+#ifdef LINUX
+
+ int
+sys_rt_sigprocmask(tcp)
+ struct tcb *tcp;
+{
+ sigset_t sigset;
+
+ if (entering(tcp)) {
+ printxval(sigprocmaskcmds, tcp->u_arg[0], "SIG_???");
+ tprintf(", ");
+ if (!tcp->u_arg[1])
+ tprintf("NULL, ");
+ else if (umove(tcp, tcp->u_arg[1], &sigset) < 0)
+ tprintf("%#lx, ", tcp->u_arg[1]);
+ else {
+ printsigmask(&sigset);
+ tprintf(", ");
+ }
+ }
+ else {
+ if (!tcp->u_arg[2])
+
+ tprintf("NULL");
+ else if (syserror(tcp))
+ tprintf("%#lx", tcp->u_arg[2]);
+ else if (umove(tcp, tcp->u_arg[2], &sigset) < 0)
+ tprintf("[?]");
+ else
+ printsigmask(&sigset);
+ tprintf(", %lu", tcp->u_arg[4]);
+ }
+ return 0;
+}
+
+#if __GLIBC_MINOR__ < 1
+/* Type for data associated with a signal. */
+typedef union sigval
+{
+ int sival_int;
+ void *sival_ptr;
+} sigval_t;
+
+# define __SI_MAX_SIZE 128
+# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
+
+typedef struct siginfo
+{
+ int si_signo; /* Signal number. */
+ int si_errno; /* If non-zero, an errno value associated with
+ this signal, as defined in <errno.h>. */
+ int si_code; /* Signal code. */
+
+ union
+ {
+ int _pad[__SI_PAD_SIZE];
+
+ /* kill(). */
+ struct
+ {
+ __pid_t si_pid; /* Sending process ID. */
+ __uid_t si_uid; /* Real user ID of sending process. */
+ } _kill;
+
+ /* POSIX.1b timers. */
+ struct
+ {
+ unsigned int _timer1;
+ unsigned int _timer2;
+ } _timer;
+
+ /* POSIX.1b signals. */
+ struct
+ {
+ __pid_t si_pid; /* Sending process ID. */
+ __uid_t si_uid; /* Real user ID of sending process. */
+ sigval_t si_sigval; /* Signal value. */
+ } _rt;
+
+ /* SIGCHLD. */
+ struct
+ {
+ __pid_t si_pid; /* Which child. */
+ int si_status; /* Exit value or signal. */
+ __clock_t si_utime;
+ __clock_t si_stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
+ struct
+ {
+ void *si_addr; /* Faulting insn/memory ref. */
+ } _sigfault;
+
+ /* SIGPOLL. */
+ struct
+ {
+ int si_band; /* Band event for SIGPOLL. */
+ int si_fd;
+ } _sigpoll;
+ } _sifields;
+} siginfo_t;
+#endif
+
+/* Structure describing the action to be taken when a signal arrives. */
+struct new_sigaction
+{
+ union
+ {
+ __sighandler_t __sa_handler;
+ void (*__sa_sigaction) (int, siginfo_t *, void *);
+ }
+ __sigaction_handler;
+ unsigned long sa_flags;
+ void (*sa_restorer) (void);
+ unsigned long int sa_mask[2];
+};
+
+
+ int
+sys_rt_sigaction(tcp)
+ struct tcb *tcp;
+{
+ struct new_sigaction sa;
+ sigset_t sigset;
+ long addr;
+ sigemptyset(&sigset);
+
+ if (entering(tcp)) {
+ printsignal(tcp->u_arg[0]);
+ tprintf(", ");
+ addr = tcp->u_arg[1];
+ } else
+ addr = tcp->u_arg[2];
+ if (addr == 0)
+ tprintf("NULL");
+ else if (!verbose(tcp))
+ tprintf("%#lx", addr);
+ else if (umove(tcp, addr, &sa) < 0)
+ tprintf("{...}");
+ else {
+ switch ((long) sa.__sigaction_handler.__sa_handler) {
+ case (long) SIG_ERR:
+ tprintf("{SIG_ERR}");
+ break;
+ case (long) SIG_DFL:
+ tprintf("{SIG_DFL}");
+ break;
+ case (long) SIG_IGN:
+ tprintf("{SIG_IGN}");
+ break;
+ default:
+ tprintf("{%#lx, ",
+ (long) sa.__sigaction_handler.__sa_handler);
+ sigset.__val[0] = sa.sa_mask[0];
+ sigset.__val[1] = sa.sa_mask[1];
+ printsigmask(&sigset);
+ tprintf(", ");
+ if (!printflags(sigact_flags, sa.sa_flags))
+ tprintf("0");
+ tprintf("}");
+ }
+ }
+ if (entering(tcp))
+ tprintf(", ");
+ else
+ tprintf(", %lu", addr = tcp->u_arg[3]);
+ return 0;
+}
+
+ int
+sys_rt_sigpending(tcp)
+ struct tcb *tcp;
+{
+ sigset_t sigset;
+ sigemptyset(&sigset);
+
+ if (exiting(tcp)) {
+ if (syserror(tcp))
+ tprintf("%#lx", tcp->u_arg[0]);
+ else if (umoven(tcp, tcp->u_arg[0], tcp->u_arg[1],
+ (char *) &sigset.__val[0]) < 0)
+ tprintf("[?]");
+ else
+ printsigmask(sigset);
+ }
+ return 0;
+}
+ int
+sys_rt_sigsuspend(tcp)
+ struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ sigset_t sigm;
+ sigemptyset(&sigm);
+ umoven(tcp, tcp->u_arg[0], tcp->u_arg[1], (char *) &sigm);
+ printsigmask(&sigm);
+ }
+ return 0;
+}
+#ifndef ILL_ILLOPC
+#define ILL_ILLOPC 1 /* illegal opcode */
+#define ILL_ILLOPN 2 /* illegal operand */
+#define ILL_ILLADR 3 /* illegal addressing mode */
+#define ILL_ILLTRP 4 /* illegal trap */
+#define ILL_PRVOPC 5 /* privileged opcode */
+#define ILL_PRVREG 6 /* privileged register */
+#define ILL_COPROC 7 /* coprocessor error */
+#define ILL_BADSTK 8 /* internal stack error */
+#define FPE_INTDIV 1 /* integer divide by zero */
+#define FPE_INTOVF 2 /* integer overflow */
+#define FPE_FLTDIV 3 /* floating point divide by zero */
+#define FPE_FLTOVF 4 /* floating point overflow */
+#define FPE_FLTUND 5 /* floating point underflow */
+#define FPE_FLTRES 6 /* floating point inexact result */
+#define FPE_FLTINV 7 /* floating point invalid operation */
+#define FPE_FLTSUB 8 /* subscript out of range */
+#define SEGV_MAPERR 1 /* address not mapped to object */
+#define SEGV_ACCERR 2 /* invalid permissions for mapped object */
+#define BUS_ADRALN 1 /* invalid address alignment */
+#define BUS_ADRERR 2 /* non-existant physical address */
+#define BUS_OBJERR 3 /* object specific hardware error */
+#define TRAP_BRKPT 1 /* process breakpoint */
+#define TRAP_TRACE 2 /* process trace trap */
+#define CLD_EXITED 1 /* child has exited */
+#define CLD_KILLED 2 /* child was killed */
+#define CLD_DUMPED 3 /* child terminated abnormally */
+#define CLD_TRAPPED 4 /* traced child has trapped */
+#define CLD_STOPPED 5 /* child has stopped */
+#define CLD_CONTINUED 6 /* stopped child has continued */
+#define POLL_IN 1 /* data input available */
+#define POLL_OUT 2 /* output buffers available */
+#define POLL_MSG 3 /* input message available */
+#define POLL_ERR 4 /* i/o error */
+#define POLL_PRI 5 /* high priority input available */
+#define POLL_HUP 6 /* device disconnected */
+#define SI_USER 0 /* sent by kill, sigsend, raise */
+#define SI_QUEUE -1 /* sent by sigqueue */
+#define SI_TIMER -2 /* sent by timer expiration */
+#define SI_MESGQ -3 /* sent by real time mesq state change */
+#define SI_ASYNCIO -4 /* sent by AIO completion */
+#else
+#undef si_pid
+#undef si_uid
+#undef si_status
+#undef si_utime
+#undef si_stime
+#undef si_value
+#undef si_int
+#undef si_ptr
+#undef si_addr
+#undef si_band
+#undef si_fd
+#endif
+
+static struct xlat sigill_flags[] = {
+ {ILL_ILLOPC, "ILL_ILLOPC"},
+ {ILL_ILLOPN, "ILL_ILLOPN"},
+ {ILL_ILLADR, "ILL_ILLADR"},
+ {ILL_ILLTRP, "ILL_ILLTRP"},
+ {ILL_PRVOPC, "ILL_PRVOPC"},
+ {ILL_PRVREG, "ILL_PRVREG"},
+ {ILL_COPROC, "ILL_COPROC"},
+ {ILL_BADSTK, "ILL_BADSTK"},
+ {0, NULL}
+};
+
+static struct xlat sigfpe_flags[] = {
+ {FPE_INTDIV, "FPE_INTDIV"},
+ {FPE_INTOVF, "FPE_INTOVF"},
+ {FPE_FLTDIV, "FPE_FLTDIV"},
+ {FPE_FLTOVF, "FPE_FLTOVF"},
+ {FPE_FLTUND, "FPE_FLTUND"},
+ {FPE_FLTRES, "FPE_FLTRES"},
+ {FPE_FLTINV, "FPE_FLTINV"},
+ {FPE_FLTSUB, "FPE_FLTSUB"},
+ {0, NULL}
+};
+
+static struct xlat sigsegv_flags[] = {
+ {SEGV_MAPERR, "SEGV_MAPERR"},
+ {SEGV_ACCERR, "SEGV_ACCERR"},
+ {0, NULL}
+};
+
+static struct xlat sigbus_flags[] = {
+ {BUS_ADRALN, "BUS_ADRALN"},
+ {BUS_ADRERR, "BUS_ADRERR"},
+ {BUS_OBJERR, "BUS_OBJERR"},
+ {0, NULL}
+};
+
+static struct xlat sigtrap_flags[] = {
+ {TRAP_BRKPT, "TRAP_BRKPT"},
+ {TRAP_TRACE, "TRAP_TRACE"},
+ {0, NULL}
+};
+
+static struct xlat sigchld_flags[] = {
+ {CLD_EXITED, "CLD_EXITED"},
+ {CLD_KILLED, "CLD_KILLED"},
+ {CLD_DUMPED, "CLD_DUMPED"},
+ {CLD_TRAPPED, "CLD_TRAPPED"},
+ {CLD_STOPPED, "CLD_STOPPED"},
+ {CLD_CONTINUED, "CLD_CONTINUED"},
+ {0, NULL}
+};
+
+static struct xlat sigpoll_flags[] = {
+ {POLL_IN, "POLL_IN"},
+ {POLL_OUT, "POLL_OUT"},
+ {POLL_MSG, "POLL_MSG"},
+ {POLL_ERR, "POLL_ERR"},
+ {POLL_PRI, "POLL_PRI"},
+ {POLL_HUP, "POLL_HUP"},
+ {0, NULL}
+};
+
+static struct xlat siginfo_flags[] = {
+ {SI_USER, "SI_USER"},
+ {SI_QUEUE, "SI_QUEUE"},
+ {SI_TIMER, "SI_TIMER"},
+ {SI_MESGQ, "SI_MESGQ"},
+ {SI_ASYNCIO, "SI_ASYNCIO"},
+ {0, NULL}
+};
+
+ static void
+printsiginfo(tcp, si)
+ struct tcb *tcp;
+ siginfo_t *si;
+{
+ tprintf("{si_signo=");
+ printsignal(si->si_signo);
+ tprintf(", si_errno=%d, si_code=", si->si_errno);
+ switch(si->si_signo)
+ {
+ case SIGILL:
+ if (!printflags(sigill_flags, si->si_code))
+ tprintf("%d /* ILL_??? */", si->si_code);
+ tprintf(", si_addr=%lx",
+ (unsigned long) si->_sifields._sigfault.si_addr);
+ break;
+ case SIGFPE:
+ if (!printflags(sigfpe_flags, si->si_code))
+ tprintf("%d /* FPE_??? */", si->si_code);
+ tprintf(", si_addr=%lx",
+ (unsigned long) si->_sifields._sigfault.si_addr);
+ break;
+ case SIGSEGV:
+ if (!printflags(sigsegv_flags, si->si_code))
+ tprintf("%d /* SEGV_??? */", si->si_code);
+ tprintf(", si_addr=%lx",
+ (unsigned long) si->_sifields._sigfault.si_addr);
+ break;
+ case SIGBUS:
+ if (!printflags(sigbus_flags, si->si_code))
+ tprintf("%d /* BUS_??? */", si->si_code);
+ tprintf(", si_addr=%lx",
+ (unsigned long) si->_sifields._sigfault.si_addr);
+ break;
+ case SIGTRAP:
+ if (!printflags(sigtrap_flags, si->si_code))
+ tprintf("%d /* TRAP_??? */", si->si_code);
+ break;
+ case SIGCHLD:
+ if (!printflags(sigchld_flags, si->si_code))
+ tprintf("%d /* CLD_??? */", si->si_code);
+ if (!verbose(tcp))
+ tprintf(", ...");
+ else
+ tprintf(", si_pid=%d, si_uid=%d, si_status=%d, si_utime=%lu, si_stime=%lu",
+ si->_sifields._kill.si_pid,
+ si->_sifields._kill.si_uid,
+ si->_sifields._sigchld.si_status,
+ si->_sifields._sigchld.si_utime,
+ si->_sifields._sigchld.si_stime);
+ break;
+ case SIGPOLL:
+ if (!printflags(sigpoll_flags, si->si_code))
+ tprintf("%d /* POLL_??? */", si->si_code);
+ if (si->si_code == POLL_IN
+ || si->si_code == POLL_OUT
+ || si->si_code == POLL_MSG)
+ tprintf(", si_bind=%lu, si_fd=%d",
+ (unsigned long) si->_sifields._sigpoll.si_band,
+ si->_sifields._sigpoll.si_fd);
+ break;
+ default:
+ if (!printflags(siginfo_flags, si->si_code))
+ tprintf("%d /* SI_??? */", si->si_code);
+ tprintf(", si_pid=%lu, si_uid=%lu, si_value={",
+ (unsigned long) si->_sifields._rt.si_pid,
+ (unsigned long) si->_sifields._rt.si_uid);
+ if (!verbose(tcp))
+ tprintf("...");
+ else {
+ tprintf("sival_int=%u, sival_ptr=%#lx",
+ si->_sifields._rt.si_sigval.sival_int,
+ (unsigned long) si->_sifields._rt.si_sigval.sival_ptr);
+ }
+ tprintf("}");
+ break;
+ }
+ tprintf("}");
+}
+
+ int
+sys_rt_sigqueueinfo(tcp)
+ struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ siginfo_t si;
+ tprintf("%lu, ", tcp->u_arg[0]);
+ printsignal(tcp->u_arg[1]);
+ tprintf(", ");
+ if (umove(tcp, tcp->u_arg[2], &si) < 0)
+ tprintf("%#lx", tcp->u_arg[2]);
+ else
+ printsiginfo(&si);
+ }
+ return 0;
+}
+
+int sys_rt_sigtimedwait(tcp)
+ struct tcb *tcp;
+{
+ if (entering(tcp)) {
+ sigset_t sigset;
+ sigemptyset(&sigset);
+
+ if (umoven(tcp, tcp->u_arg[0], tcp->u_arg[3],
+ (char *) &sigset.__val[0]) < 0)
+ tprintf("[?]");
+ else
+ printsigmask(sigset);
+ tprintf(", ");
+ }
+ else {
+ if (syserror(tcp))
+ tprintf("%#lx", tcp->u_arg[0]);
+ else {
+ siginfo_t si;
+ if (umove(tcp, tcp->u_arg[1], &si) < 0)
+ tprintf("%#lx", tcp->u_arg[1]);
+ else
+ printsiginfo(&si);
+ /* XXX For now */
+ tprintf(", %#lx", tcp->u_arg[2]);
+ tprintf(", %d", (int) tcp->u_arg[3]);
+ }
+ }
+ return 0;
+};
+
+#endif /* LINUX */
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 12:42:33 +0000