{"id":6664,"date":"2020-06-11T14:11:36","date_gmt":"2020-06-11T05:11:36","guid":{"rendered":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/?p=6664"},"modified":"2021-05-19T10:39:41","modified_gmt":"2021-05-19T01:39:41","slug":"gcov%e3%81%ab%e3%82%88%e3%82%8b%e3%82%b9%e3%83%86%e3%83%bc%e3%83%88%e3%83%a1%e3%83%b3%e3%83%88%e3%82%ab%e3%83%90%e3%83%ac%e3%83%83%e3%82%b8%e8%a8%88%e6%b8%ac","status":"publish","type":"post","link":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/archives\/6664","title":{"rendered":"gcov\u306b\u3088\u308b\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u8a08\u6e2c"},"content":{"rendered":"
\"gcov\"<\/div>\r\n

GCC\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308bgcov\u3068\u3044\u3046\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3001\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8(C0\u30ab\u30d0\u30ec\u30c3\u30b8)\u3092\u8a08\u6e2c\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\r\n

\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306f\u3001\u3059\u3079\u3066\u306e\u5b9f\u884c\u53ef\u80fd\u547d\u4ee4\u306e\u3046\u3061\u3001\u30c6\u30b9\u30c8\u3067\u5b9f\u884c\u3055\u308c\u305f\u547d\u4ee4\u306e\u5272\u5408\u3067\u3059\u3002<\/p>\r\n

\"gcov\"<\/p>\r\n

\u25a0\u74b0\u5883<\/h1>\r\n

OS\uff1aLinux<\/p>\r\n

\u8a00\u8a9e\uff1aC\/C++<\/p>\r\n

\u30b3\u30f3\u30d1\u30a4\u30e9\uff1aGCC 3.4.6<\/p>\r\n

 <\/p>\r\n

\u25a0\u624b\u9806(\u30ab\u30d0\u30ec\u30c3\u30b8\u6e2c\u5b9a)<\/h1>\r\n

\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u6e2c\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\r\n

#include <stdio.h>\r\n\r\nint main() {\r\n    int num = 1;\r\n\r\n    if ((num % 2) == 0) {\r\n        printf(\"%d is even.\\n\", num);\r\n    } else {\r\n        printf(\"%d is odd.\\n\", num);\r\n    }\r\n}\r\n<\/pre>\r\n
 <\/p>\r\n
    \r\n
  1. \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u4ed8\u304d\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b
    \r\n
    $ gcc -fprofile-arcs -ftest-coverage test.c -o test.out<\/pre>\r\n<\/li>\r\n
  2. \u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b
    \r\n
    $ .\/test.out\r\n1 is odd.<\/pre>\r\n<\/li>\r\n
  3. gcov\u3067\u30ab\u30d0\u30ec\u30c3\u30b8\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080
    \r\n
    $ gcov test.gcda\r\nFile `test.c'\r\nLines executed:80.00% of 5\r\ntest.c:creating `test.c.gcov<\/pre>\r\n
     <\/p>\r\n<\/li>\r\n<\/ol>\r\n
    \u3053\u306e\u4f8b\u3067\u306f\u5168\u4f53\u306e80%\u306e\u547d\u4ee4\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/span><\/p>\r\n
    \u307e\u305f\u3001\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u300ctest.c.gcov\u300d\u306b\u3069\u306e\u547d\u4ee4\u304c\u5b9f\u884c\u3055\u308c\u305f\u306e\u304b\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\r\n
    $ cat test.c.gcov\r\n        -:    0:Source:test.c\r\n        -:    0:Graph:test.gcno\r\n        -:    0:Data:test.gcda\r\n        -:    0:Runs:1\r\n        -:    0:Programs:1\r\n        -:    1:#include <stdio.h>\r\n        -:    2:\r\nfunction main called 1 returned 100% blocks executed 67%\r\n        1:    3:int main() {\r\n        1:    4:    int num = 1;\r\n        -:    5:\r\n        1:    6:    if ((num % 2) == 0) {\r\n    #####:    7:        printf(\"%d is even.\\n\", num);\r\n        -:    8:    } else {\r\n        1:    9:        printf(\"%d is odd.\\n\", num);\r\n        -:   10:    }\r\n        -:   11:}\r\n<\/pre>\r\n
     <\/p>\r\n
    \u25a0\u624b\u9806(HTML\u3067\u8868\u793a)<\/h1>\r\n
    lcov\u3092\u4f7f\u3046\u3068\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u8a08\u6e2c\u7d50\u679c\u3092\u8996\u899a\u7684\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\r\n
      \r\n
    1. \u4ee5\u4e0b\u304b\u3089lcov\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b
      http:\/\/ltp.sourceforge.net\/coverage\/lcov.php<\/a>

      <\/li>\r\n
    2. \u74b0\u5883\u306blcov\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b
      \r\n
      $ tar xzvf lcov-1.14.tar.gz\r\n$ cd lcov-1.14\r\n$ make install\r\n<\/pre>\r\n<\/li>\r\n
    3. test.gcda\u3068\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067lcov\u3092\u5b9f\u884c\u3059\u308b
      \r\n
      $ lcov -c -d . -o lcov.info<\/pre>\r\n<\/li>\r\n
    4. genhtml\u3092\u5b9f\u884c\u3059\u308b
      \r\n
      $ genhtml lcov.info -o .\/info<\/pre>\r\n<\/li>\r\n
    5. \r\n
      \u00a0info\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306eindex.html\u3092\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u304f
      \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u884c\u3055\u308c\u305f\u547d\u4ee4\u3001\u3055\u308c\u3066\u3044\u306a\u3044\u547d\u4ee4\u304c\u8272\u5206\u3051\u3055\u308c\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002

      \"\"<\/a><\/p>\r\n<\/li>\r\n<\/ol>\r\n
       <\/p>\r\n
      \r\n
      \u25c6WEB\u4f1a\u8b70\uff0f\u30bb\u30df\u30ca\u30fc\u30b7\u30b9\u30c6\u30e0\u300eSzia\u300f
      https:\/\/www.ois-yokohama.co.jp\/szia\/<\/a><\/p>\r\n
      \u25c6\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u3067\u52d5\u4f5c\u3059\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u300eReDois\u300f
      https:\/\/www.ois-yokohama.co.jp\/redois\/wp_redois\/<\/a><\/p>\r\n
      \"\u30aa\u30ea\u30a8\u30f3\u30bf\u30eb\u30a4\u30f3\u30d5\u30a9\u30fc\u30e1\u30a4\u30b7\u30e7\u30f3\u30b5\u30fc\u30d3\u30b9\uff08OIS\uff09\"<\/a><\/p>\r\n","protected":false},"excerpt":{"rendered":"
      GCC\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308bgcov\u3068\u3044\u3046\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3001\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8(C0\u30ab\u30d0\u30ec\u30c3\u30b8)\u3092\u8a08\u6e2c\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306f\u3001\u3059\u3079\u3066\u306e\u5b9f\u884c\u53ef\u80fd\u547d\u4ee4\u306e\u3046\u3061\u3001\u30c6\u30b9\u30c8\u3067\u5b9f\u884c\u3055\u308c\u305f\u547d\u4ee4\u306e\u5272\u5408\u3067 […]<\/p>\n","protected":false},"author":1,"featured_media":6673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"vkexunit_cta_each_option":"","footnotes":""},"categories":[6],"tags":[843,841,839,842,840],"class_list":["post-6664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineer","tag-c0","tag-gcc","tag-gcov","tag-lcov","tag-840"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/6664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/comments?post=6664"}],"version-history":[{"count":11,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/6664\/revisions"}],"predecessor-version":[{"id":7151,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/6664\/revisions\/7151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/media\/6673"}],"wp:attachment":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/media?parent=6664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/categories?post=6664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/tags?post=6664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}