binutils-gdb/include/libcollector.h

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/* Copyright (C) 2021-2023 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef _LIBCOLLECTOR_H
#define _LIBCOLLECTOR_H
typedef struct
{
unsigned int offset;
unsigned int lineno;
} Lineno;
#ifdef __cplusplus
extern "C"
{
#endif
/* This file contains function prototypes for the user-callable API
routines in libcollector for C and C++ codes. */
/* Routine to record a sample in the experiment. */
void collector_sample (char *name);
/* Routine to suspend data collection during an experiment. */
void collector_pause (void);
/* Routine to resume data collection during an experiment. */
void collector_resume (void);
/* Routine to suspend per-thread data collection during an experiment. */
void collector_thread_pause (unsigned int tid);
/* Routine to resume per-thread data collection during an experiment. */
void collector_thread_resume (unsigned int tid);
/* Routine to close the experiment, and stop all data collection. */
void collector_terminate_expt (void);
/* Routines to let libcollector know about a dynamically loaded function. */
void collector_func_load (char *name, char *alias, char *sourcename,
void *vaddr, int size, int lntsize, Lineno *lntable);
void collector_func_unload (void *vaddr);
/* Define the weak symbols for the API. */
void collector_sample () __attribute__ ((weak));
void collector_pause () __attribute__ ((weak));
void collector_resume () __attribute__ ((weak));
void collector_thread_pause () __attribute__ ((weak));
void collector_thread_resume () __attribute__ ((weak));
void collector_terminate_expt () __attribute__ ((weak));
void collector_func_load () __attribute__ ((weak));
void collector_func_unload () __attribute__ ((weak));
#ifdef __cplusplus
}
#endif
/* Define the macros that actually get inserted in the caller's code. */
#define collector_sample(x) (collector_sample ? collector_sample(x), 0 : 0)
#define collector_pause() (collector_pause ? collector_pause(), 0 : 0)
#define collector_resume() (collector_resume ? collector_resume(),0 : 0
#define collector_thread_pause(tid) \
(collector_thread_pause ? collector_thread_pause(tid), 0 : 0)
#define collector_thread_resume(tid) \
(collector_thread_resume ? collector_thread_resume(tid), 0 : 0)
#define collector_terminate_expt() \
(collector_terminate_expt ? collector_terminate_expt(), 0 : 0)
#define collector_func_load(x0,x1,x2,x3,x4,x5,x6) \
collector_func_load ? collector_func_load(x0,x1,x2,x3,x4,x5,x6), 0 : 0)
#define collector_func_unload(x) \
(collector_func_unload ? collector_func_unload(x), 0 : 0)
#endif /* _LIBCOLLECTOR_H */