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commit 0f74de57cfb0811d1b8887d3a229b66ecc1d532d Author: yinshengkai <[email protected]> AuthorDate: Wed Mar 27 21:24:24 2024 +0800 system/gcov: supports generating device-side code coverage Signed-off-by: yinshengkai <[email protected]> --- system/gcov/gcov.c | 36 ++++++++++++++++++++++++++++++++---- 1 file changed, 32 insertions(+), 4 deletions(-) diff --git a/system/gcov/gcov.c b/system/gcov/gcov.c index bf4dbf549..9506cadb1 100644 --- a/system/gcov/gcov.c +++ b/system/gcov/gcov.c @@ -23,6 +23,7 @@ ****************************************************************************/ #include <stdio.h> +#include <stdlib.h> #include <unistd.h> /**************************************************************************** @@ -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); } /**************************************************************************** @@ -49,12 +52,31 @@ 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; int option; if (argc < 2) @@ -62,12 +84,17 @@ int main(int argc, FAR char *argv[]) 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': @@ -83,5 +110,6 @@ int main(int argc, FAR char *argv[]) } } + gcov_dump(path, strip); return 0; }
