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-rw-r--r--gdb/linux-nat.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
index 2f98060..70f77fd 100644
--- a/gdb/linux-nat.c
+++ b/gdb/linux-nat.c
@@ -2129,7 +2129,7 @@ linux_handle_extended_wait (struct lwp_info *lp, int status)
open_proc_mem_file (lp->ptid);
ourstatus->set_execd
- (make_unique_xstrdup (linux_proc_pid_to_exec_file (pid)));
+ (make_unique_xstrdup (linux_target->pid_to_exec_file (pid)));
/* The thread that execed must have been resumed, but, when a
thread execs, it changes its tid to the tgid, and the old
@@ -4000,7 +4000,14 @@ linux_nat_target::thread_name (struct thread_info *thr)
const char *
linux_nat_target::pid_to_exec_file (int pid)
{
- return linux_proc_pid_to_exec_file (pid);
+ /* If there's no sysroot. Or the sysroot is just 'target:' and the
+ inferior is in the same mount namespce, then we can consider the
+ filesystem local. */
+ bool local_fs = (gdb_sysroot.empty ()
+ || (gdb_sysroot == TARGET_SYSROOT_PREFIX
+ && linux_ns_same (pid, LINUX_NS_MNT)));
+
+ return linux_proc_pid_to_exec_file (pid, local_fs);
}
/* Object representing an /proc/PID/mem open file. We keep one such
@@ -4585,6 +4592,20 @@ linux_nat_target::fileio_open (struct inferior *inf, const char *filename,
return fd;
}
+/* Implementation of to_fileio_lstat. */
+
+int
+linux_nat_target::fileio_lstat (struct inferior *inf, const char *filename,
+ struct stat *sb, fileio_error *target_errno)
+{
+ int r = linux_mntns_lstat (linux_nat_fileio_pid_of (inf), filename, sb);
+
+ if (r == -1)
+ *target_errno = host_to_fileio_error (errno);
+
+ return r;
+}
+
/* Implementation of to_fileio_readlink. */
std::optional<std::string>
@@ -4707,9 +4728,7 @@ maintenance_info_lwps (const char *arg, int from_tty)
}
}
-void _initialize_linux_nat ();
-void
-_initialize_linux_nat ()
+INIT_GDB_FILE (linux_nat)
{
add_setshow_boolean_cmd ("linux-nat", class_maintenance,
&debug_linux_nat, _("\