/* Native-dependent code for FreeBSD.
- Copyright (C) 2002-2022 Free Software Foundation, Inc.
+ Copyright (C) 2002-2023 Free Software Foundation, Inc.
This file is part of GDB.
#include <list>
+#ifndef PT_GETREGSET
+#define PT_GETREGSET 42 /* Get a target register set */
+#define PT_SETREGSET 43 /* Set a target register set */
+#endif
+
/* Return the name of a file that can be opened to get the symbols for
the child process identified by PID. */
-char *
+const char *
fbsd_nat_target::pid_to_exec_file (int pid)
{
static char buf[PATH_MAX];
gdb::unique_xmalloc_ptr<struct kinfo_vmentry>
vmentl (kinfo_getvmmap (pid, &nitems));
if (vmentl == NULL)
- perror_with_name (_("Couldn't fetch VM map entries."));
+ perror_with_name (_("Couldn't fetch VM map entries"));
for (i = 0, kve = vmentl.get (); i < nitems; i++, kve++)
{
size = kve->kve_end - kve->kve_start;
if (info_verbose)
{
- printf_filtered ("Save segment, %ld bytes at %s (%c%c%c)\n",
- (long) size,
- paddress (target_gdbarch (), kve->kve_start),
- kve->kve_protection & KVME_PROT_READ ? 'r' : '-',
- kve->kve_protection & KVME_PROT_WRITE ? 'w' : '-',
- kve->kve_protection & KVME_PROT_EXEC ? 'x' : '-');
+ gdb_printf ("Save segment, %ld bytes at %s (%c%c%c)\n",
+ (long) size,
+ paddress (target_gdbarch (), kve->kve_start),
+ kve->kve_protection & KVME_PROT_READ ? 'r' : '-',
+ kve->kve_protection & KVME_PROT_WRITE ? 'w' : '-',
+ kve->kve_protection & KVME_PROT_EXEC ? 'x' : '-');
}
/* Invoke the callback function to create the corefile segment.
Pass MODIFIED as true, we do not know the real modification state. */
func (kve->kve_start, size, kve->kve_protection & KVME_PROT_READ,
kve->kve_protection & KVME_PROT_WRITE,
- kve->kve_protection & KVME_PROT_EXEC, 1, data);
+ kve->kve_protection & KVME_PROT_EXEC, 1, false, data);
}
return 0;
}
else
error (_("Invalid arguments."));
- printf_filtered (_("process %d\n"), pid);
+ gdb_printf (_("process %d\n"), pid);
if (do_cwd || do_exe || do_files)
fdtbl.reset (kinfo_getfile (pid, &nfd));
{
gdb::unique_xmalloc_ptr<char> cmdline = fbsd_fetch_cmdline (pid);
if (cmdline != nullptr)
- printf_filtered ("cmdline = '%s'\n", cmdline.get ());
+ gdb_printf ("cmdline = '%s'\n", cmdline.get ());
else
warning (_("unable to fetch command line"));
}
}
}
if (cwd != NULL)
- printf_filtered ("cwd = '%s'\n", cwd);
+ gdb_printf ("cwd = '%s'\n", cwd);
else
warning (_("unable to fetch current working directory"));
}
if (exe == NULL)
exe = pid_to_exec_file (pid);
if (exe != NULL)
- printf_filtered ("exe = '%s'\n", exe);
+ gdb_printf ("exe = '%s'\n", exe);
else
warning (_("unable to fetch executable path name"));
}
const char *state;
int pgtok;
- printf_filtered ("Name: %s\n", kp.ki_comm);
+ gdb_printf ("Name: %s\n", kp.ki_comm);
switch (kp.ki_stat)
{
case SIDL:
state = "? (unknown)";
break;
}
- printf_filtered ("State: %s\n", state);
- printf_filtered ("Parent process: %d\n", kp.ki_ppid);
- printf_filtered ("Process group: %d\n", kp.ki_pgid);
- printf_filtered ("Session id: %d\n", kp.ki_sid);
- printf_filtered ("TTY: %s\n", pulongest (kp.ki_tdev));
- printf_filtered ("TTY owner process group: %d\n", kp.ki_tpgid);
- printf_filtered ("User IDs (real, effective, saved): %d %d %d\n",
- kp.ki_ruid, kp.ki_uid, kp.ki_svuid);
- printf_filtered ("Group IDs (real, effective, saved): %d %d %d\n",
- kp.ki_rgid, kp.ki_groups[0], kp.ki_svgid);
- printf_filtered ("Groups: ");
+ gdb_printf ("State: %s\n", state);
+ gdb_printf ("Parent process: %d\n", kp.ki_ppid);
+ gdb_printf ("Process group: %d\n", kp.ki_pgid);
+ gdb_printf ("Session id: %d\n", kp.ki_sid);
+ gdb_printf ("TTY: %s\n", pulongest (kp.ki_tdev));
+ gdb_printf ("TTY owner process group: %d\n", kp.ki_tpgid);
+ gdb_printf ("User IDs (real, effective, saved): %d %d %d\n",
+ kp.ki_ruid, kp.ki_uid, kp.ki_svuid);
+ gdb_printf ("Group IDs (real, effective, saved): %d %d %d\n",
+ kp.ki_rgid, kp.ki_groups[0], kp.ki_svgid);
+ gdb_printf ("Groups: ");
for (int i = 0; i < kp.ki_ngroups; i++)
- printf_filtered ("%d ", kp.ki_groups[i]);
- printf_filtered ("\n");
- printf_filtered ("Minor faults (no memory page): %ld\n",
- kp.ki_rusage.ru_minflt);
- printf_filtered ("Minor faults, children: %ld\n",
- kp.ki_rusage_ch.ru_minflt);
- printf_filtered ("Major faults (memory page faults): %ld\n",
- kp.ki_rusage.ru_majflt);
- printf_filtered ("Major faults, children: %ld\n",
- kp.ki_rusage_ch.ru_majflt);
- printf_filtered ("utime: %s.%06ld\n",
- plongest (kp.ki_rusage.ru_utime.tv_sec),
- kp.ki_rusage.ru_utime.tv_usec);
- printf_filtered ("stime: %s.%06ld\n",
- plongest (kp.ki_rusage.ru_stime.tv_sec),
- kp.ki_rusage.ru_stime.tv_usec);
- printf_filtered ("utime, children: %s.%06ld\n",
- plongest (kp.ki_rusage_ch.ru_utime.tv_sec),
- kp.ki_rusage_ch.ru_utime.tv_usec);
- printf_filtered ("stime, children: %s.%06ld\n",
- plongest (kp.ki_rusage_ch.ru_stime.tv_sec),
- kp.ki_rusage_ch.ru_stime.tv_usec);
- printf_filtered ("'nice' value: %d\n", kp.ki_nice);
- printf_filtered ("Start time: %s.%06ld\n",
- plongest (kp.ki_start.tv_sec),
- kp.ki_start.tv_usec);
+ gdb_printf ("%d ", kp.ki_groups[i]);
+ gdb_printf ("\n");
+ gdb_printf ("Minor faults (no memory page): %ld\n",
+ kp.ki_rusage.ru_minflt);
+ gdb_printf ("Minor faults, children: %ld\n",
+ kp.ki_rusage_ch.ru_minflt);
+ gdb_printf ("Major faults (memory page faults): %ld\n",
+ kp.ki_rusage.ru_majflt);
+ gdb_printf ("Major faults, children: %ld\n",
+ kp.ki_rusage_ch.ru_majflt);
+ gdb_printf ("utime: %s.%06ld\n",
+ plongest (kp.ki_rusage.ru_utime.tv_sec),
+ kp.ki_rusage.ru_utime.tv_usec);
+ gdb_printf ("stime: %s.%06ld\n",
+ plongest (kp.ki_rusage.ru_stime.tv_sec),
+ kp.ki_rusage.ru_stime.tv_usec);
+ gdb_printf ("utime, children: %s.%06ld\n",
+ plongest (kp.ki_rusage_ch.ru_utime.tv_sec),
+ kp.ki_rusage_ch.ru_utime.tv_usec);
+ gdb_printf ("stime, children: %s.%06ld\n",
+ plongest (kp.ki_rusage_ch.ru_stime.tv_sec),
+ kp.ki_rusage_ch.ru_stime.tv_usec);
+ gdb_printf ("'nice' value: %d\n", kp.ki_nice);
+ gdb_printf ("Start time: %s.%06ld\n",
+ plongest (kp.ki_start.tv_sec),
+ kp.ki_start.tv_usec);
pgtok = getpagesize () / 1024;
- printf_filtered ("Virtual memory size: %s kB\n",
- pulongest (kp.ki_size / 1024));
- printf_filtered ("Data size: %s kB\n",
- pulongest (kp.ki_dsize * pgtok));
- printf_filtered ("Stack size: %s kB\n",
- pulongest (kp.ki_ssize * pgtok));
- printf_filtered ("Text size: %s kB\n",
- pulongest (kp.ki_tsize * pgtok));
- printf_filtered ("Resident set size: %s kB\n",
- pulongest (kp.ki_rssize * pgtok));
- printf_filtered ("Maximum RSS: %s kB\n",
- pulongest (kp.ki_rusage.ru_maxrss));
- printf_filtered ("Pending Signals: ");
+ gdb_printf ("Virtual memory size: %s kB\n",
+ pulongest (kp.ki_size / 1024));
+ gdb_printf ("Data size: %s kB\n",
+ pulongest (kp.ki_dsize * pgtok));
+ gdb_printf ("Stack size: %s kB\n",
+ pulongest (kp.ki_ssize * pgtok));
+ gdb_printf ("Text size: %s kB\n",
+ pulongest (kp.ki_tsize * pgtok));
+ gdb_printf ("Resident set size: %s kB\n",
+ pulongest (kp.ki_rssize * pgtok));
+ gdb_printf ("Maximum RSS: %s kB\n",
+ pulongest (kp.ki_rusage.ru_maxrss));
+ gdb_printf ("Pending Signals: ");
for (int i = 0; i < _SIG_WORDS; i++)
- printf_filtered ("%08x ", kp.ki_siglist.__bits[i]);
- printf_filtered ("\n");
- printf_filtered ("Ignored Signals: ");
+ gdb_printf ("%08x ", kp.ki_siglist.__bits[i]);
+ gdb_printf ("\n");
+ gdb_printf ("Ignored Signals: ");
for (int i = 0; i < _SIG_WORDS; i++)
- printf_filtered ("%08x ", kp.ki_sigignore.__bits[i]);
- printf_filtered ("\n");
- printf_filtered ("Caught Signals: ");
+ gdb_printf ("%08x ", kp.ki_sigignore.__bits[i]);
+ gdb_printf ("\n");
+ gdb_printf ("Caught Signals: ");
for (int i = 0; i < _SIG_WORDS; i++)
- printf_filtered ("%08x ", kp.ki_sigcatch.__bits[i]);
- printf_filtered ("\n");
+ gdb_printf ("%08x ", kp.ki_sigcatch.__bits[i]);
+ gdb_printf ("\n");
}
}
show_fbsd_lwp_debug (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("Debugging of FreeBSD lwp module is %s.\n"), value);
+ gdb_printf (file, _("Debugging of FreeBSD lwp module is %s.\n"), value);
}
static void
show_fbsd_nat_debug (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("Debugging of FreeBSD native target is %s.\n"),
- value);
+ gdb_printf (file, _("Debugging of FreeBSD native target is %s.\n"),
+ value);
}
#define fbsd_lwp_debug_printf(fmt, ...) \
#ifdef PT_GET_EVENT_MASK
int events;
- if (ptrace (PT_GET_EVENT_MASK, pid, (PTRACE_TYPE_ARG3)&events,
+ if (ptrace (PT_GET_EVENT_MASK, pid, (PTRACE_TYPE_ARG3) &events,
sizeof (events)) == -1)
perror_with_name (("ptrace (PT_GET_EVENT_MASK)"));
events |= PTRACE_FORK | PTRACE_LWP;
#ifdef PTRACE_VFORK
events |= PTRACE_VFORK;
#endif
- if (ptrace (PT_SET_EVENT_MASK, pid, (PTRACE_TYPE_ARG3)&events,
+ if (ptrace (PT_SET_EVENT_MASK, pid, (PTRACE_TYPE_ARG3) &events,
sizeof (events)) == -1)
perror_with_name (("ptrace (PT_SET_EVENT_MASK)"));
#else
#ifdef TDP_RFPPWAIT
- if (ptrace (PT_FOLLOW_FORK, pid, (PTRACE_TYPE_ARG3)0, 1) == -1)
+ if (ptrace (PT_FOLLOW_FORK, pid, (PTRACE_TYPE_ARG3) 0, 1) == -1)
perror_with_name (("ptrace (PT_FOLLOW_FORK)"));
#endif
#ifdef PT_LWP_EVENTS
- if (ptrace (PT_LWP_EVENTS, pid, (PTRACE_TYPE_ARG3)0, 1) == -1)
+ if (ptrace (PT_LWP_EVENTS, pid, (PTRACE_TYPE_ARG3) 0, 1) == -1)
perror_with_name (("ptrace (PT_LWP_EVENTS)"));
#endif
#endif
/* Implement the "async" target method. */
void
-fbsd_nat_target::async (int enable)
+fbsd_nat_target::async (bool enable)
{
- if ((enable != 0) == is_async_p ())
+ if (enable == is_async_p ())
return;
/* Block SIGCHILD while we create/destroy the pipe, as the handler
if (enable)
{
if (!async_file_open ())
- internal_error (__FILE__, __LINE__, "failed to create event pipe.");
+ internal_error ("failed to create event pipe.");
add_file_handler (async_wait_fd (), handle_target_event, NULL, "fbsd-nat");
perror_with_name (request == PT_RESUME ?
("ptrace (PT_RESUME)") :
("ptrace (PT_SUSPEND)"));
+ if (request == PT_RESUME)
+ low_prepare_to_resume (tp);
}
}
else
/* If ptid is a wildcard, resume all matching threads (they won't run
until the process is continued however). */
for (thread_info *tp : all_non_exited_threads (this, ptid))
- if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
- perror_with_name (("ptrace (PT_RESUME)"));
+ {
+ if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
+ perror_with_name (("ptrace (PT_RESUME)"));
+ low_prepare_to_resume (tp);
+ }
ptid = inferior_ptid;
}
wptid = fbsd_next_vfork_done ();
if (wptid != null_ptid)
{
- ourstatus->kind = TARGET_WAITKIND_VFORK_DONE;
+ ourstatus->set_vfork_done ();
return wptid;
}
#endif
threads might be skipped during post_attach that
have not yet reported their PL_FLAG_EXITED event.
Ignore EXITED events for an unknown LWP. */
- thread_info *thr = find_thread_ptid (this, wptid);
+ thread_info *thr = this->find_thread (wptid);
if (thr != nullptr)
{
fbsd_lwp_debug_printf ("deleting thread for LWP %u",
pl.pl_lwpid);
if (print_thread_events)
- printf_unfiltered (_("[%s exited]\n"),
- target_pid_to_str (wptid).c_str ());
+ gdb_printf (_("[%s exited]\n"),
+ target_pid_to_str (wptid).c_str ());
+ low_delete_thread (thr);
delete_thread (thr);
}
if (ptrace (PT_CONTINUE, pid, (caddr_t) 1, 0) == -1)
gdb_assert (pid == child);
- if (ptrace (PT_LWPINFO, child, (caddr_t)&pl, sizeof pl) == -1)
+ if (ptrace (PT_LWPINFO, child, (caddr_t) &pl, sizeof pl) == -1)
perror_with_name (("ptrace (PT_LWPINFO)"));
gdb_assert (pl.pl_flags & PL_FLAG_CHILD);
warning (_("Failed to fetch process information"));
#endif
+ low_new_fork (wptid, child);
+
if (is_vfork)
ourstatus->set_vforked (child_ptid);
else
SIGTRAP, so only treat SIGTRAP events as system call
entry/exit events. */
if (pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)
- && ourstatus->sig () == SIGTRAP)
+ && ourstatus->sig () == GDB_SIGNAL_TRAP)
{
#ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_SYSCALL_CODE
if (catch_syscall_enabled ())
event loop keeps polling until no event is returned. */
if (is_async_p ()
&& ((ourstatus->kind () != TARGET_WAITKIND_IGNORE
- && ourstatus->kind() != TARGET_WAITKIND_NO_RESUMED)
+ && ourstatus->kind () != TARGET_WAITKIND_NO_RESUMED)
|| ptid != minus_one_ptid))
async_file_mark ();
/* Breakpoints have already been detached from the child by
infrun.c. */
- if (ptrace (PT_DETACH, child_pid, (PTRACE_TYPE_ARG3)1, 0) == -1)
+ if (ptrace (PT_DETACH, child_pid, (PTRACE_TYPE_ARG3) 1, 0) == -1)
perror_with_name (("ptrace (PT_DETACH)"));
#ifndef PTRACE_VFORK
bool
fbsd_nat_target::fetch_register_set (struct regcache *regcache, int regnum,
int fetch_op, const struct regset *regset,
- void *regs, size_t size)
+ int regbase, void *regs, size_t size)
{
const struct regcache_map_entry *map
= (const struct regcache_map_entry *) regset->regmap;
pid_t pid = get_ptrace_pid (regcache->ptid ());
- if (regnum == -1 || regcache_map_supplies (map, regnum, regcache->arch(),
- size))
+ if (regnum == -1
+ || (regnum >= regbase && regcache_map_supplies (map, regnum - regbase,
+ regcache->arch (), size)))
{
if (ptrace (fetch_op, pid, (PTRACE_TYPE_ARG3) regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- regcache->supply_regset (regset, regnum, regs, size);
+ regset->supply_regset (regset, regcache, regnum, regs, size);
return true;
}
return false;
bool
fbsd_nat_target::store_register_set (struct regcache *regcache, int regnum,
int fetch_op, int store_op,
- const struct regset *regset, void *regs,
- size_t size)
+ const struct regset *regset, int regbase,
+ void *regs, size_t size)
{
const struct regcache_map_entry *map
= (const struct regcache_map_entry *) regset->regmap;
pid_t pid = get_ptrace_pid (regcache->ptid ());
- if (regnum == -1 || regcache_map_supplies (map, regnum, regcache->arch(),
- size))
+ if (regnum == -1
+ || (regnum >= regbase && regcache_map_supplies (map, regnum - regbase,
+ regcache->arch (), size)))
{
if (ptrace (fetch_op, pid, (PTRACE_TYPE_ARG3) regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- regcache->collect_regset (regset, regnum, regs, size);
+ regset->collect_regset (regset, regcache, regnum, regs, size);
if (ptrace (store_op, pid, (PTRACE_TYPE_ARG3) regs, 0) == -1)
perror_with_name (_("Couldn't write registers"));
return false;
}
+/* See fbsd-nat.h. */
+
+size_t
+fbsd_nat_target::have_regset (ptid_t ptid, int note)
+{
+ pid_t pid = get_ptrace_pid (ptid);
+ struct iovec iov;
+
+ iov.iov_base = nullptr;
+ iov.iov_len = 0;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ return 0;
+ return iov.iov_len;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_target::fetch_regset (struct regcache *regcache, int regnum, int note,
+ const struct regset *regset, int regbase,
+ void *regs, size_t size)
+{
+ const struct regcache_map_entry *map
+ = (const struct regcache_map_entry *) regset->regmap;
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
+
+ if (regnum == -1
+ || (regnum >= regbase && regcache_map_supplies (map, regnum - regbase,
+ regcache->arch (), size)))
+ {
+ struct iovec iov;
+
+ iov.iov_base = regs;
+ iov.iov_len = size;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't get registers"));
+
+ regset->supply_regset (regset, regcache, regnum, regs, size);
+ return true;
+ }
+ return false;
+}
+
+bool
+fbsd_nat_target::store_regset (struct regcache *regcache, int regnum, int note,
+ const struct regset *regset, int regbase,
+ void *regs, size_t size)
+{
+ const struct regcache_map_entry *map
+ = (const struct regcache_map_entry *) regset->regmap;
+ pid_t pid = get_ptrace_pid (regcache->ptid ());
+
+ if (regnum == -1
+ || (regnum >= regbase && regcache_map_supplies (map, regnum - regbase,
+ regcache->arch (), size)))
+ {
+ struct iovec iov;
+
+ iov.iov_base = regs;
+ iov.iov_len = size;
+ if (ptrace (PT_GETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't get registers"));
+
+ regset->collect_regset (regset, regcache, regnum, regs, size);
+
+ if (ptrace (PT_SETREGSET, pid, (PTRACE_TYPE_ARG3) &iov, note) == -1)
+ perror_with_name (_("Couldn't write registers"));
+ return true;
+ }
+ return false;
+}
+
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo)
+{
+ struct ptrace_lwpinfo pl;
+ pid_t pid = get_ptrace_pid (ptid);
+
+ if (ptrace (PT_LWPINFO, pid, (caddr_t) &pl, sizeof pl) == -1)
+ return false;
+ if (!(pl.pl_flags & PL_FLAG_SI))
+ return false;;
+ *siginfo = pl.pl_siginfo;
+ return (true);
+}
+
void _initialize_fbsd_nat ();
void
_initialize_fbsd_nat ()
projects / binutils-gdb.git / blobdiff