aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdb/ChangeLog7
-rw-r--r--gdb/procfs.c44
2 files changed, 29 insertions, 22 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c8c06f2..a84b9b0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2009-07-31 Kazu Hirata <kazu@codesourcery.com>
+
+ * procfs.c (proc_set_current_signal): Populate mysinfo before
+ copying it to arg.
+ (proc_clear_current_signal): Likewise.
+ (proc_set_watchpoint): Populate pwatch before copying it to arg.
+
2009-07-31 Michael Snyder <msnyder@vmware.com>
* remote.c (store_register_using_P): Call putpkt and getpkt
diff --git a/gdb/procfs.c b/gdb/procfs.c
index 80479e3..b569bac 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -2505,7 +2505,7 @@ proc_set_current_signal (procinfo *pi, int signo)
/* Use char array to avoid alignment issues. */
char sinfo[sizeof (gdb_siginfo_t)];
} arg;
- gdb_siginfo_t *mysinfo;
+ gdb_siginfo_t mysinfo;
ptid_t wait_ptid;
struct target_waitstatus wait_status;
@@ -2530,7 +2530,6 @@ proc_set_current_signal (procinfo *pi, int signo)
#endif
/* The pointer is just a type alias. */
- mysinfo = (gdb_siginfo_t *) &arg.sinfo;
get_last_target_status (&wait_ptid, &wait_status);
if (ptid_equal (wait_ptid, inferior_ptid)
&& wait_status.kind == TARGET_WAITKIND_STOPPED
@@ -2545,16 +2544,17 @@ proc_set_current_signal (procinfo *pi, int signo)
/* Use the siginfo associated with the signal being
redelivered. */
#ifdef NEW_PROC_API
- memcpy (mysinfo, &pi->prstatus.pr_lwp.pr_info, sizeof (gdb_siginfo_t));
+ memcpy (arg.sinfo, &pi->prstatus.pr_lwp.pr_info, sizeof (gdb_siginfo_t));
#else
- memcpy (mysinfo, &pi->prstatus.pr_info, sizeof (gdb_siginfo_t));
+ memcpy (arg.sinfo, &pi->prstatus.pr_info, sizeof (gdb_siginfo_t));
#endif
else
{
- mysinfo->si_signo = signo;
- mysinfo->si_code = 0;
- mysinfo->si_pid = getpid (); /* ?why? */
- mysinfo->si_uid = getuid (); /* ?why? */
+ mysinfo.si_signo = signo;
+ mysinfo.si_code = 0;
+ mysinfo.si_pid = getpid (); /* ?why? */
+ mysinfo.si_uid = getuid (); /* ?why? */
+ memcpy (arg.sinfo, &mysinfo, sizeof (gdb_siginfo_t));
}
#ifdef NEW_PROC_API
@@ -2597,16 +2597,16 @@ proc_clear_current_signal (procinfo *pi)
/* Use char array to avoid alignment issues. */
char sinfo[sizeof (gdb_siginfo_t)];
} arg;
- gdb_siginfo_t *mysinfo;
+ gdb_siginfo_t mysinfo;
arg.cmd = PCSSIG;
/* The pointer is just a type alias. */
- mysinfo = (gdb_siginfo_t *) &arg.sinfo;
- mysinfo->si_signo = 0;
- mysinfo->si_code = 0;
- mysinfo->si_errno = 0;
- mysinfo->si_pid = getpid (); /* ?why? */
- mysinfo->si_uid = getuid (); /* ?why? */
+ mysinfo.si_signo = 0;
+ mysinfo.si_code = 0;
+ mysinfo.si_errno = 0;
+ mysinfo.si_pid = getpid (); /* ?why? */
+ mysinfo.si_uid = getuid (); /* ?why? */
+ memcpy (arg.sinfo, &mysinfo, sizeof (gdb_siginfo_t));
win = (write (pi->ctl_fd, (void *) &arg, sizeof (arg)) == sizeof (arg));
}
@@ -2917,25 +2917,25 @@ proc_set_watchpoint (procinfo *pi, CORE_ADDR addr, int len, int wflags)
procfs_ctl_t cmd;
char watch[sizeof (prwatch_t)];
} arg;
- prwatch_t *pwatch;
+ prwatch_t pwatch;
- pwatch = (prwatch_t *) &arg.watch;
/* NOTE: cagney/2003-02-01: Even more horrible hack. Need to
convert a target address into something that can be stored in a
native data structure. */
#ifdef PCAGENT /* Horrible hack: only defined on Solaris 2.6+ */
- pwatch->pr_vaddr = (uintptr_t) procfs_address_to_host_pointer (addr);
+ pwatch.pr_vaddr = (uintptr_t) procfs_address_to_host_pointer (addr);
#else
- pwatch->pr_vaddr = (caddr_t) procfs_address_to_host_pointer (addr);
+ pwatch.pr_vaddr = (caddr_t) procfs_address_to_host_pointer (addr);
#endif
- pwatch->pr_size = len;
- pwatch->pr_wflags = wflags;
+ pwatch.pr_size = len;
+ pwatch.pr_wflags = wflags;
#if defined(NEW_PROC_API) && defined (PCWATCH)
arg.cmd = PCWATCH;
+ memcpy (arg.watch, &pwatch, sizeof (prwatch_t));
return (write (pi->ctl_fd, &arg, sizeof (arg)) == sizeof (arg));
#else
#if defined (PIOCSWATCH)
- return (ioctl (pi->ctl_fd, PIOCSWATCH, pwatch) >= 0);
+ return (ioctl (pi->ctl_fd, PIOCSWATCH, &pwatch) >= 0);
#else
return 0; /* Fail */
#endif