/* Native-dependent code for FreeBSD.
- Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "byte-vector.h"
+#include "gdbsupport/byte-vector.h"
#include "gdbcore.h"
#include "inferior.h"
#include "regcache.h"
#include "regset.h"
+#include "gdbarch.h"
#include "gdbcmd.h"
#include "gdbthread.h"
-#include "gdb_wait.h"
+#include "gdbsupport/gdb_wait.h"
#include "inf-ptrace.h"
#include <sys/types.h>
#include <sys/procfs.h>
#include <libutil.h>
#endif
#if !defined(HAVE_KINFO_GETVMMAP)
-#include "filestuff.h"
+#include "gdbsupport/filestuff.h"
#endif
#include "elf-bfd.h"
if (sysctl (mib, 4, cmdline.get (), &len, NULL, 0) == -1)
return nullptr;
+ /* Join the arguments with spaces to form a single string. */
+ char *cp = cmdline.get ();
+ for (size_t i = 0; i < len - 1; i++)
+ if (cp[i] == '\0')
+ cp[i] = ' ';
+ cp[len - 1] = '\0';
+
return cmdline;
}
int nfd = 0;
#endif
struct kinfo_proc kp;
- char *tmp;
pid_t pid;
bool do_cmdline = false;
bool do_cwd = false;
bool do_exe = false;
+#ifdef HAVE_KINFO_GETFILE
+ bool do_files = false;
+#endif
#ifdef HAVE_KINFO_GETVMMAP
bool do_mappings = false;
#endif
case IP_CWD:
do_cwd = true;
break;
+#ifdef HAVE_KINFO_GETFILE
+ case IP_FILES:
+ do_files = true;
+ break;
+#endif
case IP_ALL:
do_cmdline = true;
do_cwd = true;
do_exe = true;
+#ifdef HAVE_KINFO_GETFILE
+ do_files = true;
+#endif
#ifdef HAVE_KINFO_GETVMMAP
do_mappings = true;
#endif
printf_filtered (_("process %d\n"), pid);
#ifdef HAVE_KINFO_GETFILE
- if (do_cwd || do_exe)
+ if (do_cwd || do_exe || do_files)
fdtbl.reset (kinfo_getfile (pid, &nfd));
#endif
else
warning (_("unable to fetch executable path name"));
}
+#ifdef HAVE_KINFO_GETFILE
+ if (do_files)
+ {
+ struct kinfo_file *kf = fdtbl.get ();
+
+ if (nfd > 0)
+ {
+ fbsd_info_proc_files_header ();
+ for (int i = 0; i < nfd; i++, kf++)
+ fbsd_info_proc_files_entry (kf->kf_type, kf->kf_fd, kf->kf_flags,
+ kf->kf_offset, kf->kf_vnode_type,
+ kf->kf_sock_domain, kf->kf_sock_type,
+ kf->kf_sock_protocol, &kf->kf_sa_local,
+ &kf->kf_sa_peer, kf->kf_path);
+ }
+ else
+ warning (_("unable to fetch list of open files"));
+ }
+#endif
#ifdef HAVE_KINFO_GETVMMAP
if (do_mappings)
{
if (vmentl != nullptr)
{
- printf_filtered (_("Mapped address spaces:\n\n"));
-#ifdef __LP64__
- printf_filtered (" %18s %18s %10s %10s %9s %s\n",
- "Start Addr",
- " End Addr",
- " Size", " Offset", "Flags ", "File");
-#else
- printf_filtered ("\t%10s %10s %10s %10s %9s %s\n",
- "Start Addr",
- " End Addr",
- " Size", " Offset", "Flags ", "File");
-#endif
+ int addr_bit = TARGET_CHAR_BIT * sizeof (void *);
+ fbsd_info_proc_mappings_header (addr_bit);
struct kinfo_vmentry *kve = vmentl.get ();
for (int i = 0; i < nvment; i++, kve++)
- {
- ULONGEST start, end;
-
- start = kve->kve_start;
- end = kve->kve_end;
-#ifdef __LP64__
- printf_filtered (" %18s %18s %10s %10s %9s %s\n",
- hex_string (start),
- hex_string (end),
- hex_string (end - start),
- hex_string (kve->kve_offset),
- fbsd_vm_map_entry_flags (kve->kve_flags,
- kve->kve_protection),
- kve->kve_path);
-#else
- printf_filtered ("\t%10s %10s %10s %10s %9s %s\n",
- hex_string (start),
- hex_string (end),
- hex_string (end - start),
- hex_string (kve->kve_offset),
- fbsd_vm_map_entry_flags (kve->kve_flags,
- kve->kve_protection),
- kve->kve_path);
-#endif
- }
+ fbsd_info_proc_mappings_entry (addr_bit, kve->kve_start,
+ kve->kve_end, kve->kve_offset,
+ kve->kve_flags, kve->kve_protection,
+ kve->kve_path);
}
else
warning (_("unable to fetch virtual memory map"));
return true;
}
-#ifdef KERN_PROC_AUXV
+/*
+ * The current layout of siginfo_t on FreeBSD was adopted in SVN
+ * revision 153154 which shipped in FreeBSD versions 7.0 and later.
+ * Don't bother supporting the older layout on older kernels. The
+ * older format was also never used in core dump notes.
+ */
+#if __FreeBSD_version >= 700009
+#define USE_SIGINFO
+#endif
-#ifdef PT_LWPINFO
+#ifdef USE_SIGINFO
/* Return the size of siginfo for the current inferior. */
#ifdef __LP64__
switch (object)
{
-#ifdef PT_LWPINFO
+#ifdef USE_SIGINFO
case TARGET_OBJECT_SIGNAL_INFO:
{
struct ptrace_lwpinfo pl;
return TARGET_XFER_OK;
}
#endif
+#ifdef KERN_PROC_AUXV
case TARGET_OBJECT_AUXV:
{
gdb::byte_vector buf_storage;
}
return TARGET_XFER_E_IO;
}
+#endif
+#if defined(KERN_PROC_VMMAP) && defined(KERN_PROC_PS_STRINGS)
case TARGET_OBJECT_FREEBSD_VMMAP:
case TARGET_OBJECT_FREEBSD_PS_STRINGS:
{
*xfered_len = len;
return TARGET_XFER_OK;
}
+#endif
default:
return inf_ptrace_target::xfer_partial (object, annex,
readbuf, writebuf, offset,
len, xfered_len);
}
}
-#endif
#ifdef PT_LWPINFO
-static int debug_fbsd_lwp;
-static int debug_fbsd_nat;
+static bool debug_fbsd_lwp;
+static bool debug_fbsd_nat;
static void
show_fbsd_lwp_debug (struct ui_file *file, int from_tty,
return true;
}
-/* Convert PTID to a string. Returns the string in a static
- buffer. */
+/* Convert PTID to a string. */
-const char *
+std::string
fbsd_nat_target::pid_to_str (ptid_t ptid)
{
lwpid_t lwp;
lwp = ptid.lwp ();
if (lwp != 0)
{
- static char buf[64];
int pid = ptid.pid ();
- xsnprintf (buf, sizeof buf, "LWP %d of process %d", lwp, pid);
- return buf;
+ return string_printf ("LWP %d of process %d", lwp, pid);
}
return normal_pid_to_str (ptid);
if (ptid.lwp_p ())
{
/* If ptid is a specific LWP, suspend all other LWPs in the process. */
- struct thread_info *tp;
- int request;
+ inferior *inf = find_inferior_ptid (ptid);
- ALL_NON_EXITED_THREADS (tp)
+ for (thread_info *tp : inf->non_exited_threads ())
{
- if (tp->ptid.pid () != ptid.pid ())
- continue;
+ int request;
if (tp->ptid.lwp () == ptid.lwp ())
request = PT_RESUME;
{
/* If ptid is a wildcard, resume all matching threads (they won't run
until the process is continued however). */
- struct thread_info *tp;
-
- ALL_NON_EXITED_THREADS (tp)
- {
- if (!tp->ptid.matches (ptid))
- continue;
-
- if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
- perror_with_name (("ptrace"));
- }
+ for (thread_info *tp : all_non_exited_threads (ptid))
+ if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
+ perror_with_name (("ptrace"));
ptid = inferior_ptid;
}
{
/* Ignore traps without valid siginfo or for signals other than
- SIGTRAP. */
- if (! (pl.pl_flags & PL_FLAG_SI) || pl.pl_siginfo.si_signo != SIGTRAP)
+ SIGTRAP.
+
+ FreeBSD kernels prior to r341800 can return stale siginfo for at
+ least some events, but those events can be identified by
+ additional flags set in pl_flags. True breakpoint and
+ single-step traps should not have other flags set in
+ pl_flags. */
+ if (pl.pl_flags != PL_FLAG_SI || pl.pl_siginfo.si_signo != SIGTRAP)
return false;
/* Trace traps are either a single step or a hardware watchpoint or
"FLWP: deleting thread for LWP %u\n",
pl.pl_lwpid);
if (print_thread_events)
- printf_unfiltered (_("[%s exited]\n"), target_pid_to_str
- (wptid));
+ printf_unfiltered (_("[%s exited]\n"),
+ target_pid_to_str (wptid).c_str ());
delete_thread (thr);
}
if (ptrace (PT_CONTINUE, pid, (caddr_t) 1, 0) == -1)
sizeof pl) == -1)
return false;
- return ((pl.pl_flags & PL_FLAG_SI)
+ return (pl.pl_flags == PL_FLAG_SI
&& pl.pl_siginfo.si_signo == SIGTRAP
&& pl.pl_siginfo.si_code == TRAP_BRKPT);
}
projects / deliverable / binutils-gdb.git / blobdiff