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[nto] Implement procfs_pid_to_exec_file.

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gdb/ChangeLog:

	* gdb/nto-procfs.c (procfs_pid_to_exec_file): New function.
	(init_procfs_targets): Wire new function.
This commit is contained in:
Aleksandar Ristovski 2015-10-20 13:11:53 -04:00
parent 8a6c0ccdd2
commit e5343fde20
2 changed files with 33 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2015-10-20 Aleksandar Ristovski <aristovski@qnx.com>
* gdb/nto-procfs.c (procfs_pid_to_exec_file): New function.
(init_procfs_targets): Wire new function.
2015-10-20 Aleksandar Ristovski <aristovski@qnx.com>
* nto-procfs.c (sys/auxv.h): Include.

28
gdb/nto-procfs.c
View file

@ -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;