X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ffbsd-nat.c;h=a2a1f60ec4b4a2f3c1a2e09199182f7beeb93bf2;hb=2117c711ae07700adb57ea5b5ca61e4c32d7e3d2;hp=ba1d54484c182b877108bcd6af0a8e1cd64c6bf2;hpb=197e01b6dcd118b70ed3621b62b2ff3fa929d50f;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index ba1d54484c..a2a1f60ec4 100644
--- a/gdb/fbsd-nat.c
+++ b/gdb/fbsd-nat.c
@@ -1,12 +1,12 @@
/* Native-dependent code for FreeBSD.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -15,18 +15,17 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
#include "defs.h"
#include "gdbcore.h"
#include "inferior.h"
#include "regcache.h"
#include "regset.h"
+#include "gdbthread.h"
#include "gdb_assert.h"
-#include "gdb_string.h"
+#include
#include
#include
#include
@@ -34,13 +33,13 @@
#include "elf-bfd.h"
#include "fbsd-nat.h"
-/* Return a the name of file that can be opened to get the symbols for
+/* Return the name of a file that can be opened to get the symbols for
the child process identified by PID. */
char *
-fbsd_pid_to_exec_file (int pid)
+fbsd_pid_to_exec_file (struct target_ops *self, int pid)
{
- size_t len = MAXPATHLEN;
+ size_t len = PATH_MAX;
char *buf = xcalloc (len, sizeof (char));
char *path;
@@ -56,7 +55,7 @@ fbsd_pid_to_exec_file (int pid)
#endif
path = xstrprintf ("/proc/%d/file", pid);
- if (readlink (path, buf, MAXPATHLEN) == -1)
+ if (readlink (path, buf, PATH_MAX - 1) == -1)
{
xfree (buf);
buf = NULL;
@@ -92,9 +91,8 @@ fbsd_read_mapping (FILE *mapfile, unsigned long *start, unsigned long *end,
argument to FUNC. */
int
-fbsd_find_memory_regions (int (*func) (CORE_ADDR, unsigned long,
- int, int, int, void *),
- void *obfd)
+fbsd_find_memory_regions (struct target_ops *self,
+ find_memory_region_ftype func, void *obfd)
{
pid_t pid = ptid_get_pid (inferior_ptid);
char *mapfilename;
@@ -102,11 +100,14 @@ fbsd_find_memory_regions (int (*func) (CORE_ADDR, unsigned long,
unsigned long start, end, size;
char protection[4];
int read, write, exec;
+ struct cleanup *cleanup;
mapfilename = xstrprintf ("/proc/%ld/map", (long) pid);
+ cleanup = make_cleanup (xfree, mapfilename);
mapfile = fopen (mapfilename, "r");
if (mapfile == NULL)
error (_("Couldn't open %s."), mapfilename);
+ make_cleanup_fclose (mapfile);
if (info_verbose)
fprintf_filtered (gdb_stdout,
@@ -124,29 +125,52 @@ fbsd_find_memory_regions (int (*func) (CORE_ADDR, unsigned long,
if (info_verbose)
{
fprintf_filtered (gdb_stdout,
- "Save segment, %ld bytes at 0x%s (%c%c%c)\n",
- size, paddr_nz (start),
+ "Save segment, %ld bytes at %s (%c%c%c)\n",
+ size, paddress (target_gdbarch (), start),
read ? 'r' : '-',
write ? 'w' : '-',
exec ? 'x' : '-');
}
- /* Invoke the callback function to create the corefile segment. */
- func (start, size, read, write, exec, obfd);
+ /* Invoke the callback function to create the corefile segment.
+ Pass MODIFIED as true, we do not know the real modification state. */
+ func (start, size, read, write, exec, 1, obfd);
}
- fclose (mapfile);
+ do_cleanups (cleanup);
return 0;
}
+static int
+find_signalled_thread (struct thread_info *info, void *data)
+{
+ if (info->suspend.stop_signal != GDB_SIGNAL_0
+ && ptid_get_pid (info->ptid) == ptid_get_pid (inferior_ptid))
+ return 1;
+
+ return 0;
+}
+
+static enum gdb_signal
+find_stop_signal (void)
+{
+ struct thread_info *info =
+ iterate_over_threads (find_signalled_thread, NULL);
+
+ if (info)
+ return info->suspend.stop_signal;
+ else
+ return GDB_SIGNAL_0;
+}
+
/* Create appropriate note sections for a corefile, returning them in
allocated memory. */
char *
-fbsd_make_corefile_notes (bfd *obfd, int *note_size)
+fbsd_make_corefile_notes (struct target_ops *self, bfd *obfd, int *note_size)
{
- struct gdbarch *gdbarch = current_gdbarch;
- const struct regcache *regcache = current_regcache;
+ const struct regcache *regcache = get_current_regcache ();
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
gregset_t gregs;
fpregset_t fpregs;
char *note_data = NULL;
@@ -167,7 +191,7 @@ fbsd_make_corefile_notes (bfd *obfd, int *note_size)
note_data = elfcore_write_prstatus (obfd, note_data, note_size,
ptid_get_pid (inferior_ptid),
- stop_signal, &gregs);
+ find_stop_signal (), &gregs);
size = sizeof fpregs;
regset = gdbarch_regset_from_core_section (gdbarch, ".reg2", size);
@@ -179,11 +203,12 @@ fbsd_make_corefile_notes (bfd *obfd, int *note_size)
if (get_exec_file (0))
{
- char *fname = strrchr (get_exec_file (0), '/') + 1;
+ const char *fname = lbasename (get_exec_file (0));
char *psargs = xstrdup (fname);
if (get_inferior_args ())
- psargs = reconcat (psargs, psargs, " ", get_inferior_args (), NULL);
+ psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
+ (char *) NULL);
note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
fname, psargs);