1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/tools/reorder/cygprof.c Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,27 @@ 1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.7 + 1.8 +/* 1.9 + 1.10 + A stub library to LD_PRELOAD against an image that's been compiled 1.11 + with -finstrument-functions. It dumps the address of the function 1.12 + that's being entered upon function entry, and the address that's 1.13 + being returned to on function exit. Addresses are dumped as binary 1.14 + data to stdout. 1.15 + 1.16 + */ 1.17 + 1.18 +#include <unistd.h> 1.19 + 1.20 +void 1.21 +__cyg_profile_func_enter(void *this_fn, void *call_site) 1.22 +{ 1.23 + write(STDOUT_FILENO, &this_fn, sizeof this_fn); 1.24 +} 1.25 + 1.26 +void 1.27 +__cyg_profile_func_exit(void *this_fn, void *call_site) 1.28 +{ 1.29 + write(STDOUT_FILENO, &call_site, sizeof call_site); 1.30 +}