mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-04 19:33:18 +00:00
28 lines
768 B
C
28 lines
768 B
C
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/*
|
|
|
|
A stub library to LD_PRELOAD against an image that's been compiled
|
|
with -finstrument-functions. It dumps the address of the function
|
|
that's being entered upon function entry, and the address that's
|
|
being returned to on function exit. Addresses are dumped as binary
|
|
data to stdout.
|
|
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
|
|
void
|
|
__cyg_profile_func_enter(void *this_fn, void *call_site)
|
|
{
|
|
write(STDOUT_FILENO, &this_fn, sizeof this_fn);
|
|
}
|
|
|
|
void
|
|
__cyg_profile_func_exit(void *this_fn, void *call_site)
|
|
{
|
|
write(STDOUT_FILENO, &call_site, sizeof call_site);
|
|
}
|