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system/gcov: supports generating device-side code coverage

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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai 2024-03-27 21:24:24 +08:00 committed by CeDeROM
parent 0ed4ca1767
commit 833b36cddc
1 changed files with 32 additions and 4 deletions
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36
system/gcov/gcov.c
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@ -23,6 +23,7 @@
****************************************************************************/ ****************************************************************************/
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#include <unistd.h> #include <unistd.h>
/**************************************************************************** /****************************************************************************
@ -35,11 +36,13 @@
static void show_usage(FAR const char *progname) 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("\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(" -r reset the coverage\n");
printf(" -h show this text and exits.\n"); printf(" -h show this text and exits.\n");
exit(EXIT_FAILURE);
} }
/**************************************************************************** /****************************************************************************
@ -49,12 +52,31 @@ static void show_usage(FAR const char *progname)
void __gcov_dump(void); void __gcov_dump(void);
void __gcov_reset(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 * Public Functions
****************************************************************************/ ****************************************************************************/
int main(int argc, FAR char *argv[]) int main(int argc, FAR char *argv[])
{ {
FAR const char *strip = "99";
FAR const char *path;
int option; int option;
if (argc < 2) if (argc < 2)
@ -62,12 +84,17 @@ int main(int argc, FAR char *argv[])
show_usage(argv[0]); show_usage(argv[0]);
} }
while ((option = getopt(argc, argv, "drh")) != ERROR) while ((option = getopt(argc, argv, "d:t:rh")) != ERROR)
{ {
switch (option) switch (option)
{ {
case 'd': case 'd':
__gcov_dump(); path = optarg;
break;
case 't':
strip = optarg;
break; break;
case 'r': case 'r':
@ -83,5 +110,6 @@ int main(int argc, FAR char *argv[])
} }
} }
gcov_dump(path, strip);
return 0; return 0;
} }