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system/gcov: enhance gcov #2650

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merged 3 commits into from
Oct 9, 2024
Merged

system/gcov: enhance gcov #2650

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d9cd175
system/gcov: supports generating device-side code coverage
Gary-Hobson Mar 27, 2024
8330ff2
system: adjust gcov configuration name
Gary-Hobson Apr 8, 2024
f6194b1
gcov.c: deal compile warming
W-M-R Jul 16, 2024
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2 changes: 1 addition & 1 deletion system/gcov/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@

config SYSTEM_GCOV
tristate "gcov tool"
depends on ARCH_COVERAGE
depends on SCHED_GCOV
---help---
Enable support for the 'gcov' command.

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36 changes: 32 additions & 4 deletions system/gcov/gcov.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
****************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

/****************************************************************************
Expand All @@ -35,11 +36,13 @@

static void show_usage(FAR const char *progname)
{
printf("\nUsage: %s [-d] [-r] [-h]\n", progname);
printf("\nUsage: %s [-d path] [-t strip] [-r] [-h]\n", progname);
printf("\nWhere:\n");
printf(" -d dump the coverage.\n");
printf(" -d dump the coverage, path is the path to the coverage file\n");
printf(" -t strip the path prefix number\n");
printf(" -r reset the coverage\n");
printf(" -h show this text and exits.\n");
exit(EXIT_FAILURE);
}

/****************************************************************************
Expand All @@ -49,25 +52,49 @@ static void show_usage(FAR const char *progname)
void __gcov_dump(void);
void __gcov_reset(void);

/****************************************************************************
* Private Functions
****************************************************************************/

static void gcov_dump(FAR const char * path, FAR const char *strip)
{
if (path == NULL || access(path, F_OK) != 0 || atoi(strip) <= 0)
{
fprintf(stderr, "ERROR: Invalid parameter\n");
return;
}

setenv("GCOV_PREFIX_STRIP", strip, 1);
setenv("GCOV_PREFIX", path, 1);
__gcov_dump();
}

/****************************************************************************
* Public Functions
****************************************************************************/

int main(int argc, FAR char *argv[])
{
FAR const char *strip = "99";
FAR const char *path = NULL;
int option;

if (argc < 2)
{
show_usage(argv[0]);
}

while ((option = getopt(argc, argv, "drh")) != ERROR)
while ((option = getopt(argc, argv, "d:t:rh")) != ERROR)
{
switch (option)
{
case 'd':
__gcov_dump();
path = optarg;
break;

case 't':
strip = optarg;

break;

case 'r':
Expand All @@ -83,5 +110,6 @@ int main(int argc, FAR char *argv[])
}
}

gcov_dump(path, strip);
return 0;
}
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