{"id":4531,"date":"2020-08-26T14:40:14","date_gmt":"2020-08-26T06:40:14","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=4531"},"modified":"2020-08-26T14:40:14","modified_gmt":"2020-08-26T06:40:14","slug":"pragma-data_seg%e7%94%a8%e6%b3%95%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/4531","title":{"rendered":"#pragma data_seg\u7528\u6cd5\u603b\u7ed3"},"content":{"rendered":"<div class=\"article-header-box\">\n<div class=\"article-header\">\n<div class=\"article-title-box\"><\/div>\n<div class=\"article-info-box\">\n<div class=\"blog-tags-box\">\n<div class=\"tags-box artic-tag-box\"><a href=\"https:\/\/blog.csdn.net\/qq_23992597\/article\/details\/68557020\">\u539f\u6587\u5730\u5740<\/a><\/div>\n<\/div>\n<div class=\"operating\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<article class=\"baidu_pl\">\n<div id=\"article_content\" class=\"article_content clearfix\">\n<div id=\"content_views\" class=\"htmledit_views\">\n<p><span lang=\"en-us\" xml:lang=\"en-us\">Windows\u5728\u4e00\u4e2aWin32\u7a0b\u5e8f\u7684\u5730\u5740\u7a7a\u95f4\u5468\u56f4\u7b51\u4e86\u4e00\u9053\u5899\u3002\u901a\u5e38\uff0c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u6570\u636e\u662f\u79c1\u6709\u7684\uff0c\u5bf9\u522b\u7684\u7a0b\u5e8f\u800c\u8a00\u662f\u4e0d\u53ef\u89c1\u7684\u3002\u4f46\u662f\u6267\u884cSTRPROG\u7684\u591a\u4e2a\u6267\u884c\u5b9e\u4f53\u8868\u793a\u4e86STRLIB\u5728\u7a0b\u5e8f\u7684\u6240\u6709\u6267\u884c\u5b9e\u4f53\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u662f\u6beb\u65e0\u95ee\u9898\u7684\u3002\u5f53\u60a8\u5728\u4e00\u4e2aSTRPROG\u7a97\u53e3\u4e2d\u589e\u52a0\u6216\u8005\u5220\u9664\u4e00\u4e2a\u5b57\u7b26\u4e32\u65f6\uff0c\u8fd9\u79cd\u6539\u53d8\u5c06\u7acb\u5373\u53cd\u6620\u5728\u5176\u5b83\u7684\u7a97\u53e3\u4e2d\u3002<\/span><\/p>\n<p>\u5728\u5168\u90e8\u4f8b\u7a0b\u4e4b\u95f4\uff0cSTRLIB\u5171\u4eab\u4e24\u4e2a\u53d8\u91cf\uff1a\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\u548c\u4e00\u4e2a\u6574\u6570\uff08\u8bb0\u5f55\u5df2\u50a8\u5b58\u7684\u6709\u6548\u5b57\u7b26\u4e32\u7684\u4e2a\u6570\uff09\u3002STRLIB\u5c06\u8fd9\u4e24\u4e2a\u53d8\u91cf\u50a8\u5b58\u5728\u5171\u4eab\u7684\u4e00\u4e2a\u7279\u6b8a\u5185\u5b58\u533a\u6bb5\u4e2d\uff1a<\/p>\n<div>\n<pre>#pragma\u00a0\u00a0\u00a0\u00a0data_seg (\"shared\")<\/pre>\n<pre>int\u00a0\u00a0\u00a0\u00a0iTotal = 0 ;<\/pre>\n<pre>WCHAR\u00a0\u00a0\u00a0\u00a0szStrings [MAX_STRINGS][MAX_LENGTH + 1] = { '\\0' } ;<\/pre>\n<pre>#pragma\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0data_seg ()<\/pre>\n<\/div>\n<p>\u7b2c\u4e00\u4e2a#pragma\u53d9\u8ff0\u5efa\u7acb\u6570\u636e\u6bb5\uff0c\u8fd9\u91cc\u547d\u540d\u4e3ashared\u3002\u60a8\u53ef\u4ee5\u5c06\u8fd9\u6bb5\u547d\u540d\u4e3a\u4efb\u4f55\u4e00\u4e2a\u60a8\u559c\u6b22\u7684\u540d\u5b57\u3002\u5728\u8fd9\u91cc\u7684#pragma\u53d9\u8ff0\u4e4b\u540e\u7684\u6240\u6709\u521d\u59cb\u5316\u4e86\u7684\u53d8\u91cf\u90fd\u653e\u5728shared\u6570\u636e\u6bb5\u4e2d\u3002\u7b2c\u4e8c\u4e2a#pragma\u53d9\u8ff0\u6807\u793a\u6bb5\u7684\u7ed3\u675f\u3002\u5bf9\u53d8\u91cf\u8fdb\u884c\u4e13\u95e8\u7684\u521d\u59cb\u5316\u662f\u5f88\u91cd\u8981\u7684\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u5c06\u628a\u5b83\u4eec\u653e\u5728\u666e\u901a\u7684\u672a\u521d\u59cb\u5316\u6570\u636e\u6bb5\u4e2d\u800c\u4e0d\u662f\u653e\u5728shared\u4e2d\u3002<\/p>\n<p>\u8fde\u7ed3\u5668\u5fc5\u987b\u77e5\u9053\u6709\u4e00\u4e2a\u300cshared\u300d\u5171\u4eab\u6570\u636e\u6bb5\u3002\u5728\u300cProject Settings\u300d\u5bf9\u8bdd\u6846\u9009\u62e9\u300cLink\u300d\u9875\u9762\u5377\u6807\u3002\u9009\u4e2d\u300cSTRLIB\u300d\u65f6\u5728\u300cProject Options\u300d\u5b57\u6bb5\uff08\u5728Release\u548cDebug\u8bbe\u5b9a\u4e2d\u5747\u53ef\uff09\uff0c\u5305\u542b\u4e0b\u9762\u7684\u8fde\u7ed3\u53d9\u8ff0\uff1a<\/p>\n<p>\/SECTION:shared,RWS<\/p>\n<p>\u5b57\u6bcdRWS\u8868\u793a\u6bb5\u5177\u6709\u8bfb\u3001\u5199\u548c\u5171\u4eab\u5c5e\u6027\u3002\u6216\u8005\uff0c\u60a8\u4e5f\u53ef\u4ee5\u76f4\u63a5\u7528DLL\u539f\u59cb\u7801\u6307\u5b9a\u8fde\u7ed3\u9009\u9879\uff0c\u5c31\u50cf\u6211\u4eec\u5728STRLIB.C\u90a3\u6837\uff1a<\/p>\n<div>\n<pre>#pragma comment(linker,\"\/SECTION:shared,RWS\")<\/pre>\n<\/div>\n<p>\u5171\u4eab\u7684\u5185\u5b58\u6bb5\u5141\u8bb8iTotal\u53d8\u91cf\u548cszStrings\u5b57\u7b26\u4e32\u6570\u7ec4\u5728STRLIB\u7684\u6240\u6709\u4f8b\u7a0b\u4e4b\u95f4\u5171\u4eab\u3002\u56e0\u4e3aMAX_STRINGS\u7b49\u4e8e256\uff0c\u800cMAX_LENGTH\u7b49\u4e8e63\uff0c\u6240\u4ee5\uff0c\u5171\u4eab\u5185\u5b58\u6bb5\u7684\u957f\u5ea6\u4e3a32,772\u5b57\u8282\uff0diTotal\u53d8\u91cf\u9700\u89814\u5b57\u8282\uff0c256\u4e2a\u6307\u9488\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u9700\u8981128\u5b57\u8282\u3002<\/p>\n<p>\u5728Win16\u73af\u5883\u4e2d\uff0cDLL\u7684\u5168\u5c40\u6570\u636e\u5bf9\u6bcf\u4e2a\u8f7d\u5165\u5b83\u7684\u8fdb\u7a0b\u6765\u8bf4\u90fd\u662f\u76f8\u540c\u7684\uff1b\u800c\u5728Win32\u73af\u5883\u4e2d\uff0c\u60c5\u51b5\u5374\u53d1\u751f\u4e86\u53d8\u5316\uff0cDLL\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u6240\u521b\u5efa\u7684\u4efb\u4f55\u5bf9\u8c61\uff08\u5305\u62ec\u53d8\u91cf\uff09\u90fd\u5f52\u8c03\u7528\u5b83\u7684\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u6240\u6709\u3002\u5f53\u8fdb\u7a0b\u5728\u8f7d\u5165DLL\u65f6\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u628aDLL\u5730\u5740\u6620\u5c04\u5230\u8be5\u8fdb\u7a0b\u7684\u79c1\u6709\u7a7a\u95f4\uff0c\u4e5f\u5c31\u662f\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u800c\u4e14\u4e5f\u590d\u5236\u8be5DLL\u7684\u5168\u5c40\u6570\u636e\u7684\u4e00\u4efd\u62f7\u8d1d\u5230\u8be5\u8fdb\u7a0b\u7a7a\u95f4\u3002\u4e5f\u5c31\u662f\u8bf4\u6bcf\u4e2a\u8fdb\u7a0b\u6240\u62e5\u6709\u7684\u76f8\u540c\u7684DLL\u7684\u5168\u5c40\u6570\u636e\uff0c\u5b83\u4eec\u7684\u540d\u79f0\u76f8\u540c\uff0c\u4f46\u5176\u503c\u5374\u5e76\u4e0d\u4e00\u5b9a\u662f\u76f8\u540c\u7684\uff0c\u800c\u4e14\u662f\u4e92\u4e0d\u5e72\u6d89\u7684\u3002\u56e0\u6b64\uff0c\u5728Win32\u73af\u5883\u4e0b\u8981\u60f3\u5728\u591a\u4e2a\u8fdb\u7a0b\u4e2d\u5171\u4eab\u6570\u636e\uff0c\u5c31\u5fc5\u987b\u8fdb\u884c\u5fc5\u8981\u7684\u8bbe\u7f6e\u3002\u5728\u8bbf\u95ee\u540c\u4e00\u4e2aDll\u7684\u5404\u8fdb\u7a0b\u4e4b\u95f4\u5171<br \/>\n\u4eab\u5b58\u50a8\u5668\u662f\u901a\u8fc7\u5b58\u50a8\u5668\u6620\u5c04\u6587\u4ef6\u6280\u672f\u5b9e\u73b0\u7684\u3002\u4e5f\u53ef\u4ee5\u628a\u8fd9\u4e9b\u9700\u8981\u5171\u4eab\u7684\u6570\u636e\u5206\u79bb\u51fa\u6765\uff0c\u653e\u7f6e\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u6570\u636e\u6bb5\u91cc\uff0c\u5e76\u628a\u8be5\u6bb5\u7684\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u5171\u4eab\u3002\u5fc5\u987b\u7ed9\u8fd9\u4e9b\u53d8\u91cf\u8d4b\u521d\u503c\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u4f1a\u628a\u6ca1\u6709\u8d4b\u521d\u59cb\u503c\u7684\u53d8\u91cf\u653e\u5728\u4e00\u4e2a\u53eb\u672a\u88ab\u521d\u59cb\u5316\u7684\u6570\u636e\u6bb5\u4e2d\u3002<br \/>\n#pragma data_seg\u9884\u5904\u7406\u6307\u4ee4\u7528\u4e8e\u8bbe\u7f6e\u5171\u4eab\u6570\u636e\u6bb5\u3002\u4f8b\u5982\uff1a<br \/>\n#pragma data_seg(&#8220;SharedDataName&#8221;)<br \/>\nHHOOK hHook=NULL;<br \/>\n#pragma data_seg()<\/p>\n<p>\u5728#pragma data_seg(&#8220;SharedDataName&#8221;)\u548c#pragma data_seg()\u4e4b\u95f4\u7684\u6240\u6709\u53d8\u91cf\u5c06\u88ab\u8bbf\u95ee\u8be5Dll\u7684\u6240\u6709\u8fdb\u7a0b\u770b\u5230\u548c\u5171\u4eab\u3002\u518d\u52a0\u4e0a\u4e00\u6761\u6307\u4ee4<\/p>\n<p>#pragma comment(linker,&#8221;\/section:.SharedDataName,rws&#8221;),<\/p>\n<p>\u90a3\u4e48\u8fd9\u4e2a\u6570\u636e\u8282\u4e2d\u7684\u6570\u636e\u53ef\u4ee5\u5728\u6240\u6709DLL\u7684\u5b9e\u4f8b\u4e4b\u95f4\u5171\u4eab\u3002\u6240\u6709\u5bf9\u8fd9\u4e9b\u6570\u636e\u7684\u64cd\u4f5c\u90fd\u9488\u5bf9\u540c\u4e00\u4e2a\u5b9e\u4f8b\u7684\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\u90fd\u6709\u4e00\u4efd\u3002<\/p>\n<p>1.#pragma data_seg()\u4e00\u822c\u7528\u4e8eDLL\u4e2d\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728DLL\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5171\u4eab\u7684\uff0c\u6709\u540d\u5b57\u7684\u6570\u636e\u6bb5\u3002\u6700\u5173\u952e\u7684\u662f\uff1a\u8fd9\u4e2a\u6570\u636e\u6bb5\u4e2d\u7684\u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u88ab\u591a\u4e2a\u8fdb\u7a0b\u5171\u4eab\u3002\u5426\u5219\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u65e0\u6cd5\u5171\u4eabDLL\u4e2d\u7684\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n<p>2.\u5171\u4eab\u6570\u636e\u5fc5\u987b\u521d\u59cb\u5316\uff0c\u5426\u5219\u5fae\u8f6f\u7f16\u8bd1\u5668\u4f1a\u628a\u6ca1\u6709\u521d\u59cb\u5316\u7684\u6570\u636e\u653e\u5230.BSS\u6bb5\u4e2d\uff0c\u4ece\u800c\u5bfc\u81f4\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5171\u4eab\u884c\u4e3a\u5931\u8d25\u3002<\/p>\n<p>3.\u4f60\u6240\u8c13\u7684\u7ed3\u679c\u6b63\u786e\u662f\u4e00\u79cd\u9519\u89c9\u3002\u5982\u679c\u4f60\u5728\u4e00\u4e2aDLL\u4e2d\u8fd9\u4e48\u5199\uff1a<\/p>\n<p>#pragma data_seg(&#8220;MyData&#8221;)<\/p>\n<p>int g_Value; \/\/ Note that the global is not\u00a0initialized.<\/p>\n<p>&nbsp;<\/p>\n<p>#pragma data_seg()<\/p>\n<p>DLL\u63d0\u4f9b\u4e24\u4e2a\u63a5\u53e3\u51fd\u6570\uff1a<\/p>\n<p>int GetValue()<br \/>\n{<br \/>\nreturn g_Value;<br \/>\n}<\/p>\n<p>void SetValue(int n)<br \/>\n{<br \/>\ng_Value = n;<br \/>\n}<\/p>\n<p>\u7136\u540e\u542f\u52a8\u4e24\u4e2a\u8fdb\u7a0bA\u548cB\uff0cA\u548cB\u90fd\u8c03\u7528\u4e86\u8fd9\u4e2aDLL\uff0c\u5047\u5982A\u8c03\u7528\u4e86SetValue(5); B\u63a5\u7740\u8c03\u7528int m = GetValue(); \u90a3\u4e48m\u7684\u503c\u4e0d\u4e00\u5b9a\u662f5\uff0c\u800c\u662f\u4e00\u4e2a\u672a\u5b9a\u4e49\u7684\u503c\u3002\u56e0\u4e3aDLL\u4e2d\u7684\u5168\u5c40\u6570\u636e\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u8c03\u7528\u5b83\u7684\u8fdb\u7a0b\u800c\u8a00\uff0c\u662f\u79c1\u6709\u7684\uff0c\u4e0d\u80fd\u5171\u4eab\u7684\u3002\u5047\u5982\u4f60\u5bf9g_Value\u8fdb\u884c\u4e86\u521d\u59cb\u5316\uff0c\u90a3\u4e48g_Value\u5c31\u4e00\u5b9a\u4f1a\u88ab\u653e\u8fdbMyData\u6bb5\u4e2d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679cA\u8c03\u7528\u4e86SetValue(5); B\u63a5\u7740\u8c03\u7528int m = GetValue(); \u90a3\u4e48m\u7684\u503c\u5c31\u4e00\u5b9a\u662f5\uff01\u8fd9\u5c31\u5b9e\u73b0\u4e86\u8de8\u8fdb\u7a0b\u4e4b\u95f4\u7684\u6570\u636e\u901a\u4fe1\uff01<\/p>\n<p>\u4e0b\u9762\u770b\u4e00\u4e2a\u5b9e\u9645\u5e94\u7528\uff0c\u7528\u5171\u4eab\u6570\u636e\u6765\u7edf\u8ba1\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u7684\u6b21\u6570\uff0c\u5e76\u4f5c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u5165\u53e3\u5904\uff1a<br \/>\n\/\/\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u53ea\u80fd\u542f\u52a8\u4e00\u6b21<br \/>\n#pragma data_seg(&#8220;flag_data&#8221;)<br \/>\nint count=0;<br \/>\n#pragma data_seg()<br \/>\n#pragma comment(linker,&#8221;\/SECTION:flag_data,RWS&#8221;)<\/p>\n<p>\u7a0b\u5e8f\u4e2d\uff1a<br \/>\nif(count&gt;1)<br \/>\n{<br \/>\nMessageBox(&#8220;\u5df2\u7ecf\u542f\u52a8\u4e86\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f&#8221;\uff0c&#8221;Warning&#8221;,MB_OK);<br \/>\nreturn FLASE;<br \/>\n}<br \/>\ncount++;<\/p>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 Windows\u5728\u4e00\u4e2aWin32<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[119],"class_list":["post-4531","post","type-post","status-publish","format-standard","hentry","tag-03-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=4531"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4531\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=4531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=4531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=4531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}