* Copyright (c) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Linux for s390 port by D.J. Barrow
* <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com>
- * Copyright (C) 2001-2017 The strace developers.
+ * Copyright (c) 2001-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
SYS_FUNC(ssetmask)
{
if (entering(tcp)) {
- tprintsigmask_val("", tcp->u_arg[0]);
+ tprint_old_sigmask_val("", (unsigned) tcp->u_arg[0]);
}
else if (!syserror(tcp)) {
- tcp->auxstr = sprintsigmask_val("old mask ", tcp->u_rval);
+ tcp->auxstr = sprint_old_sigmask_val("old mask ",
+ (unsigned) tcp->u_rval);
return RVAL_HEX | RVAL_STR;
}
return 0;
struct old_sigaction {
/* sa_handler may be a libc #define, need to use other name: */
-#ifdef MIPS
+#if defined MIPS
unsigned int sa_flags;
unsigned long sa_handler__;
- /* Kernel treats sa_mask as an array of longs. */
- unsigned long sa_mask[NSIG / sizeof(long)];
+ unsigned long sa_mask;
+#elif defined ALPHA
+ unsigned long sa_handler__;
+ unsigned long sa_mask;
+ unsigned int sa_flags;
#else
unsigned long sa_handler__;
unsigned long sa_mask;
unsigned long sa_flags;
-#endif /* !MIPS */
-#if HAVE_SA_RESTORER
unsigned long sa_restorer;
#endif
-};
-
-struct old_sigaction32 {
- /* sa_handler may be a libc #define, need to use other name: */
- uint32_t sa_handler__;
- uint32_t sa_mask;
- uint32_t sa_flags;
-#if HAVE_SA_RESTORER
- uint32_t sa_restorer;
+}
+#ifdef ALPHA
+ ATTRIBUTE_PACKED
#endif
-};
+;
static void
decode_old_sigaction(struct tcb *const tcp, const kernel_ulong_t addr)
#ifndef current_wordsize
if (current_wordsize < sizeof(sa.sa_handler__)) {
- struct old_sigaction32 sa32;
+ struct old_sigaction32 {
+ uint32_t sa_handler__;
+ uint32_t sa_mask;
+ uint32_t sa_flags;
+ uint32_t sa_restorer;
+ } sa32;
if (umove_or_printaddr(tcp, addr, &sa32))
return;
memset(&sa, 0, sizeof(sa));
sa.sa_handler__ = sa32.sa_handler__;
sa.sa_flags = sa32.sa_flags;
-#if HAVE_SA_RESTORER && defined SA_RESTORER
sa.sa_restorer = sa32.sa_restorer;
-#endif
sa.sa_mask = sa32.sa_mask;
} else
#endif
tprints("{sa_handler=");
print_sa_handler(sa.sa_handler__);
tprints(", sa_mask=");
-#ifdef MIPS
- tprintsigmask_addr("", sa.sa_mask);
-#else
- tprintsigmask_val("", sa.sa_mask);
-#endif
+ tprint_old_sigmask_val("", sa.sa_mask);
tprints(", sa_flags=");
printflags(sigact_flags, sa.sa_flags, "SA_???");
-#if HAVE_SA_RESTORER && defined SA_RESTORER
- if (sa.sa_flags & SA_RESTORER) {
+#if !(defined ALPHA || defined MIPS)
+ if (sa.sa_flags & 0x04000000U) {
tprints(", sa_restorer=");
printaddr(sa.sa_restorer);
}
SYS_FUNC(sigaction)
{
if (entering(tcp)) {
- printsignal(tcp->u_arg[0]);
+ int signo = tcp->u_arg[0];
+#if defined SPARC || defined SPARC64
+ if (signo < 0) {
+ tprints("-");
+ signo = -signo;
+ }
+#endif
+ printsignal(signo);
tprints(", ");
decode_old_sigaction(tcp, tcp->u_arg[1]);
tprints(", ");
SYS_FUNC(sgetmask)
{
- if (exiting(tcp)) {
- tcp->auxstr = sprintsigmask_val("mask ", tcp->u_rval);
+ if (exiting(tcp) && !syserror(tcp)) {
+ tcp->auxstr = sprint_old_sigmask_val("mask ", tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
}
- return RVAL_HEX | RVAL_STR;
+ return 0;
}
SYS_FUNC(sigsuspend)
return RVAL_DECODED;
}
-/* "Old" sigprocmask, which operates with word-sized signal masks */
-SYS_FUNC(sigprocmask)
+#ifdef ALPHA
+/*
+ * The OSF/1 sigprocmask is different: it doesn't pass in two pointers,
+ * but rather passes in the new bitmask as an argument and then returns
+ * the old bitmask. This "works" because we only have 64 signals to worry
+ * about. If you want more, use of the rt_sigprocmask syscall is required.
+ *
+ * Alpha:
+ * old = osf_sigprocmask(how, new);
+ * Everyone else:
+ * ret = sigprocmask(how, &new, &old, ...);
+ */
+SYS_FUNC(osf_sigprocmask)
{
-# ifdef ALPHA
if (entering(tcp)) {
- /*
- * Alpha/OSF is different: it doesn't pass in two pointers,
- * but rather passes in the new bitmask as an argument and
- * then returns the old bitmask. This "works" because we
- * only have 64 signals to worry about. If you want more,
- * use of the rt_sigprocmask syscall is required.
- * Alpha:
- * old = osf_sigprocmask(how, new);
- * Everyone else:
- * ret = sigprocmask(how, &new, &old, ...);
- */
printxval(sigprocmaskcmds, tcp->u_arg[0], "SIG_???");
tprintsigmask_val(", ", tcp->u_arg[1]);
}
tcp->auxstr = sprintsigmask_val("old mask ", tcp->u_rval);
return RVAL_HEX | RVAL_STR;
}
-# else /* !ALPHA */
+ return 0;
+}
+
+#else /* !ALPHA */
+
+/* "Old" sigprocmask, which operates with word-sized signal masks */
+SYS_FUNC(sigprocmask)
+{
if (entering(tcp)) {
printxval(sigprocmaskcmds, tcp->u_arg[0], "SIG_???");
tprints(", ");
else {
print_sigset_addr_len(tcp, tcp->u_arg[2], current_wordsize);
}
-# endif /* !ALPHA */
return 0;
}
+#endif /* !ALPHA */
SYS_FUNC(kill)
{
projects / strace / blobdiff