diff options
Diffstat (limited to 'gdb/nto-procfs.c')
| -rw-r--r-- | gdb/nto-procfs.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gdb/nto-procfs.c b/gdb/nto-procfs.c index eb0f7be..82b428c 100644 --- a/gdb/nto-procfs.c +++ b/gdb/nto-procfs.c @@ -617,6 +617,33 @@ procfs_files_info (struct target_ops *ignore) (nodestr != NULL) ? nodestr : "local node"); } +/* Target to_pid_to_exec_file implementation. */ + +static char * +procfs_pid_to_exec_file (struct target_ops *ops, const int pid) +{ + int proc_fd; + static char proc_path[PATH_MAX]; + ssize_t rd; + + /* Read exe file name. */ + snprintf (proc_path, sizeof (proc_path), "%s/proc/%d/exefile", + (nodestr != NULL) ? nodestr : "", pid); + proc_fd = open (proc_path, O_RDONLY); + if (proc_fd == -1) + return NULL; + + rd = read (proc_fd, proc_path, sizeof (proc_path) - 1); + close (proc_fd); + if (rd <= 0) + { + proc_path[0] = '\0'; + return NULL; + } + proc_path[rd] = '\0'; + return proc_path; +} + /* Attach to process PID, then initialize for debugging it. */ static void procfs_attach (struct target_ops *ops, const char *args, int from_tty) @@ -1491,6 +1518,7 @@ init_procfs_targets (void) t->to_interrupt = procfs_interrupt; t->to_have_continuable_watchpoint = 1; t->to_extra_thread_info = nto_extra_thread_info; + t->to_pid_to_exec_file = procfs_pid_to_exec_file; nto_native_ops = t; |