/* Native-dependent code for FreeBSD.
- Copyright (C) 2002-2013 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "regcache.h"
#include "regset.h"
#include "gdbthread.h"
-
-#include "gdb_assert.h"
-#include "gdb_string.h"
#include <sys/types.h>
#include <sys/procfs.h>
#include <sys/sysctl.h>
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 = PATH_MAX;
- char *buf = xcalloc (len, sizeof (char));
- char *path;
+ ssize_t len = PATH_MAX;
+ static char buf[PATH_MAX];
+ char name[PATH_MAX];
#ifdef KERN_PROC_PATHNAME
int mib[4];
return buf;
#endif
- path = xstrprintf ("/proc/%d/file", pid);
- if (readlink (path, buf, PATH_MAX - 1) == -1)
+ xsnprintf (name, PATH_MAX, "/proc/%d/exe", pid);
+ len = readlink (name, buf, PATH_MAX - 1);
+ if (len != -1)
{
- xfree (buf);
- buf = NULL;
+ buf[len] = '\0';
+ return buf;
}
- xfree (path);
- return buf;
+ return NULL;
}
static int
argument to FUNC. */
int
-fbsd_find_memory_regions (find_memory_region_ftype func, 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;
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)
-{
- const struct regcache *regcache = get_current_regcache ();
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- gregset_t gregs;
- fpregset_t fpregs;
- char *note_data = NULL;
- Elf_Internal_Ehdr *i_ehdrp;
- const struct regset *regset;
- size_t size;
-
- /* Put a "FreeBSD" label in the ELF header. */
- i_ehdrp = elf_elfheader (obfd);
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_FREEBSD;
-
- gdb_assert (gdbarch_regset_from_core_section_p (gdbarch));
-
- size = sizeof gregs;
- regset = gdbarch_regset_from_core_section (gdbarch, ".reg", size);
- gdb_assert (regset && regset->collect_regset);
- regset->collect_regset (regset, regcache, -1, &gregs, size);
-
- note_data = elfcore_write_prstatus (obfd, note_data, note_size,
- ptid_get_pid (inferior_ptid),
- find_stop_signal (), &gregs);
-
- size = sizeof fpregs;
- regset = gdbarch_regset_from_core_section (gdbarch, ".reg2", size);
- gdb_assert (regset && regset->collect_regset);
- regset->collect_regset (regset, regcache, -1, &fpregs, size);
-
- note_data = elfcore_write_prfpreg (obfd, note_data, note_size,
- &fpregs, sizeof (fpregs));
-
- if (get_exec_file (0))
- {
- const char *fname = lbasename (get_exec_file (0));
- char *psargs = xstrdup (fname);
-
- if (get_inferior_args ())
- psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
- (char *) NULL);
-
- note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
- fname, psargs);
- }
-
- make_cleanup (xfree, note_data);
- return note_data;
-}