#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "intl.h"
#include "diagnostic.h"
#include "version.h"
#include "gcov-io.h"
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <getopt.h>

Include dependency graph for gcov-tool.cc:

Functions
struct gcov_info *	gcov_profile_merge (struct gcov_info , struct gcov_info , int, int)

struct gcov_info *	gcov_profile_merge_stream (const char *, int, int)

int	gcov_profile_overlap (struct gcov_info , struct gcov_info )

int	gcov_profile_normalize (struct gcov_info *, gcov_type)

int	gcov_profile_scale (struct gcov_info *, float, int, int)

struct gcov_info *	gcov_read_profile_dir (const char *, int)

void	gcov_do_dump (struct gcov_info *, int, int)

const char *	gcov_get_filename (struct gcov_info *list)

void	gcov_set_verbose (void)

static int	unlink_profile_dir (const char *path)

static void	gcov_output_files (const char out, struct gcov_info profile)

static int	profile_merge (const char d1, const char d2, const char *out, int w1, int w2)

static void	print_merge_usage_message (int error_p)

static void ATTRIBUTE_NORETURN	merge_usage (void)

static int	do_merge (int argc, char **argv)

static void	print_merge_stream_usage_message (int error_p)

static void ATTRIBUTE_NORETURN	merge_stream_usage (void)

static int	do_merge_stream (int argc, char **argv)

static int	profile_rewrite (const char d1, const char out, int64_t n_val, float scale, int n, int d)

static void	print_rewrite_usage_message (int error_p)

static void ATTRIBUTE_NORETURN	rewrite_usage (void)

static int	do_rewrite (int argc, char **argv)

static int	profile_overlap (const char d1, const char d2)

static void	print_overlap_usage_message (int error_p)

static void ATTRIBUTE_NORETURN	overlap_usage (void)

static int	do_overlap (int argc, char **argv)

static void	print_usage (int error_p)

static void	print_version (void)

static int	process_args (int argc, char **argv)

int	main (int argc, char **argv)

Variables
static bool	verbose

static const struct option	merge_options []

static const struct option	merge_stream_options []

static const struct option	rewrite_options []

static const struct option	overlap_options []

int	overlap_func_level

int	overlap_obj_level

int	overlap_hot_only

int	overlap_use_fullname

double	overlap_hot_threshold = 0.005

static const struct option	options []

Function Documentation

◆ do_merge()

static int do_merge	(	int	argc,
		char **	argv )

static

Driver for profile merge subcommand.

References fatal_error(), gcov_set_verbose(), input_location, merge_options, merge_usage(), NULL, profile_merge(), and verbose.

Referenced by main().

◆ do_merge_stream()

static int do_merge_stream	(	int	argc,
		char **	argv )

static

Driver for profile merge-stream subcommand.

References fatal_error(), fnotice(), gcov_do_dump(), gcov_profile_merge_stream(), gcov_set_verbose(), input_location, merge_stream_options, merge_stream_usage(), NULL, and verbose.

Referenced by main().

◆ do_overlap()

static int do_overlap	(	int	argc,
		char **	argv )

static

Driver for profile overlap subcommand.

References gcov_set_verbose(), NULL, overlap_func_level, overlap_hot_only, overlap_hot_threshold, overlap_obj_level, overlap_options, overlap_usage(), overlap_use_fullname, profile_overlap(), and verbose.

Referenced by main().

◆ do_rewrite()

static int do_rewrite	(	int	argc,
		char **	argv )

static

Driver for profile rewrite subcommand.

References fatal_error(), fnotice(), gcov_set_verbose(), input_location, NULL, profile_rewrite(), rewrite_options, rewrite_usage(), and verbose.

Referenced by main().

◆ gcov_do_dump()

void gcov_do_dump	(	struct gcov_info *	,
		int	,
		int	)

extern

Referenced by do_merge_stream(), and gcov_output_files().

◆ gcov_get_filename()

const char * gcov_get_filename ( struct gcov_info * list )

extern

Referenced by gcov_output_files().

◆ gcov_output_files()

static void gcov_output_files	(	const char *	out,
		struct gcov_info *	profile )

static

Output GCOV_INFO lists PROFILE to directory OUT. Note that
we will remove all the gcda files in OUT.

References errno, F_OK, fatal_error(), free(), gcov_do_dump(), gcov_get_filename(), input_location, NULL, and unlink_profile_dir().

Referenced by profile_merge(), and profile_rewrite().

◆ gcov_profile_merge()

struct gcov_info * gcov_profile_merge	(	struct gcov_info *	,
		struct gcov_info *	,
		int	,
		int	)

extern

Gcc offline profile processing tool support.

Copyright (C) 2014-2025 Free Software Foundation, Inc.
   Contributed by Rong Xu <xur@google.com>.

This file is part of GCC.

GCC 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.

GCC 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.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.

Referenced by profile_merge().

◆ gcov_profile_merge_stream()

struct gcov_info * gcov_profile_merge_stream	(	const char *	,
		int	,
		int	)

extern

Referenced by do_merge_stream().

◆ gcov_profile_normalize()

int gcov_profile_normalize	(	struct gcov_info *	,
		gcov_type	)

extern

Referenced by profile_rewrite().

◆ gcov_profile_overlap()

int gcov_profile_overlap	(	struct gcov_info *	,
		struct gcov_info *	)

extern

Referenced by profile_overlap().

◆ gcov_profile_scale()

int gcov_profile_scale	(	struct gcov_info *	,
		float	,
		int	,
		int	)

extern

Referenced by profile_rewrite().

◆ gcov_read_profile_dir()

struct gcov_info * gcov_read_profile_dir	(	const char *	,
		int	)

extern

Referenced by profile_merge(), profile_overlap(), and profile_rewrite().

◆ gcov_set_verbose()

void gcov_set_verbose ( void )

extern

Referenced by do_merge(), do_merge_stream(), do_overlap(), and do_rewrite().

◆ main()

int main	(	int	argc,
		char **	argv )

Main function for gcov-tool.

References diagnostic_initialize(), do_merge(), do_merge_stream(), do_overlap(), do_rewrite(), gcc_init_libintl, global_dc, print_usage(), process_args(), and progname.

◆ merge_stream_usage()

static void ATTRIBUTE_NORETURN merge_stream_usage ( void )

static

Print merge-stream usage and exit.

References FATAL_EXIT_CODE, fnotice(), and print_merge_stream_usage_message().

Referenced by do_merge_stream().

◆ merge_usage()

static void ATTRIBUTE_NORETURN merge_usage ( void )

static

Print merge usage and exit.

References FATAL_EXIT_CODE, fnotice(), and print_merge_usage_message().

Referenced by do_merge().

◆ overlap_usage()

static void ATTRIBUTE_NORETURN overlap_usage ( void )

static

Print overlap usage and exit.

References FATAL_EXIT_CODE, fnotice(), and print_overlap_usage_message().

Referenced by do_overlap().

◆ print_merge_stream_usage_message()

static void print_merge_stream_usage_message ( int error_p )

static

Usage message for profile merge-stream.

References fnotice().

Referenced by merge_stream_usage(), and print_usage().

◆ print_merge_usage_message()

static void print_merge_usage_message ( int error_p )

static

Usage message for profile merge.

References fnotice().

Referenced by merge_usage(), and print_usage().

◆ print_overlap_usage_message()

static void print_overlap_usage_message ( int error_p )

static

Usage message for profile overlap.

References fnotice().

Referenced by overlap_usage(), and print_usage().

◆ print_rewrite_usage_message()

static void print_rewrite_usage_message ( int error_p )

static

Usage function for profile rewrite.

References fnotice().

Referenced by print_usage(), and rewrite_usage().

◆ print_usage()

static void print_usage ( int error_p )

static

Print a usage message and exit.  If ERROR_P is nonzero, this is an error,
otherwise the output of --help.

References FATAL_EXIT_CODE, fnotice(), print_merge_stream_usage_message(), print_merge_usage_message(), print_overlap_usage_message(), print_rewrite_usage_message(), progname, and SUCCESS_EXIT_CODE.

◆ print_version()

static void print_version ( void )

static

Print version information and exit.

References _, fnotice(), progname, and SUCCESS_EXIT_CODE.

Referenced by process_args().

◆ process_args()

static int process_args	(	int	argc,
		char **	argv )

static

Process args, return index to first non-arg.

References NULL, print_usage(), and print_version().

Referenced by main().

◆ profile_merge()

static int profile_merge	(	const char *	d1,
		const char *	d2,
		const char *	out,
		int	w1,
		int	w2 )

static

Merging profile D1 and D2 with weight as W1 and W2, respectively.
The result profile is written to directory OUT.
Return 0 on success.

References d1, d2, fnotice(), gcov_output_files(), gcov_profile_merge(), gcov_read_profile_dir(), and verbose.

Referenced by do_merge().

◆ profile_overlap()

static int profile_overlap	(	const char *	d1,
		const char *	d2 )

static

Driver function to computer the overlap score b/w profile D1 and D2.
Return 1 on error and 0 if OK.

References d1, d2, gcov_profile_overlap(), and gcov_read_profile_dir().

Referenced by do_overlap().

◆ profile_rewrite()

static int profile_rewrite	(	const char *	d1,
		const char *	out,
		int64_t	n_val,
		float	scale,
		int	n,
		int	d )

static

If N_VAL is no-zero, normalize the profile by setting the largest counter
counter value to N_VAL and scale others counters proportionally.
Otherwise, multiply the all counters by SCALE.

References d1, gcov_output_files(), gcov_profile_normalize(), gcov_profile_scale(), and gcov_read_profile_dir().

Referenced by do_rewrite().

◆ rewrite_usage()

static void ATTRIBUTE_NORETURN rewrite_usage ( void )

static

Print profile rewrite usage and exit.

References FATAL_EXIT_CODE, fnotice(), and print_rewrite_usage_message().

Referenced by do_rewrite().

◆ unlink_profile_dir()

static int unlink_profile_dir ( const char * path )

static

Remove the gcda files in PATH recursively.

References path.

Referenced by gcov_output_files().

Variable Documentation

◆ merge_options

const struct option merge_options[]

static

Initial value:

=
{
  { "verbose",                no_argument,       NULL, 'v' },
  { "output",                 required_argument, NULL, 'o' },
  { "weight",                 required_argument, NULL, 'w' },
  { 0, 0, 0, 0 }
}

Referenced by do_merge().

◆ merge_stream_options

const struct option merge_stream_options[]

static

Initial value:

=
{
  { "verbose",                no_argument,       NULL, 'v' },
  { "weight",                 required_argument, NULL, 'w' },
  { 0, 0, 0, 0 }
}

Referenced by do_merge_stream().

◆ options

const struct option options[]

static

Initial value:

=
{
  { "help",                 no_argument,       NULL, 'h' },
  { "version",              no_argument,       NULL, 'v' },
  { 0, 0, 0, 0 }
}

◆ overlap_func_level

int overlap_func_level

Referenced by do_overlap().

◆ overlap_hot_only

int overlap_hot_only

Referenced by do_overlap().

◆ overlap_hot_threshold

double overlap_hot_threshold = 0.005

Referenced by do_overlap().

◆ overlap_obj_level

int overlap_obj_level

Referenced by do_overlap().

◆ overlap_options

const struct option overlap_options[]

static

Initial value:

=
{
  { "verbose",                no_argument,       NULL, 'v' },
  { "function",               no_argument,       NULL, 'f' },
  { "fullname",               no_argument,       NULL, 'F' },
  { "object",                 no_argument,       NULL, 'o' },
  { "hotonly",                no_argument,       NULL, 'h' },
  { "hot_threshold",          required_argument, NULL, 't' },
  { 0, 0, 0, 0 }
}

Referenced by do_overlap().

◆ overlap_use_fullname

int overlap_use_fullname

Referenced by do_overlap().

◆ rewrite_options

const struct option rewrite_options[]

static

Initial value:

=
{
  { "verbose",                no_argument,       NULL, 'v' },
  { "output",                 required_argument, NULL, 'o' },
  { "scale",                  required_argument, NULL, 's' },
  { "normalize",              required_argument, NULL, 'n' },
  { 0, 0, 0, 0 }
}

Referenced by do_rewrite().

◆ verbose

bool verbose

static

Set to verbose output mode.

Functions

Variables

Function Documentation

◆ do_merge()

◆ do_merge_stream()

◆ do_overlap()

◆ do_rewrite()

◆ gcov_do_dump()

◆ gcov_get_filename()

◆ gcov_output_files()

◆ gcov_profile_merge()

◆ gcov_profile_merge_stream()

◆ gcov_profile_normalize()

◆ gcov_profile_overlap()

◆ gcov_profile_scale()

◆ gcov_read_profile_dir()

◆ gcov_set_verbose()

◆ main()

◆ merge_stream_usage()

◆ merge_usage()

◆ overlap_usage()

◆ print_merge_stream_usage_message()

◆ print_merge_usage_message()

◆ print_overlap_usage_message()

◆ print_rewrite_usage_message()

◆ print_usage()

◆ print_version()

◆ process_args()

◆ profile_merge()

◆ profile_overlap()

◆ profile_rewrite()

◆ rewrite_usage()

◆ unlink_profile_dir()

Variable Documentation

◆ merge_options

◆ merge_stream_options

◆ options

◆ overlap_func_level

◆ overlap_hot_only

◆ overlap_hot_threshold

◆ overlap_obj_level

◆ overlap_options

◆ overlap_use_fullname

◆ rewrite_options

◆ verbose