{"id":8357,"date":"2024-06-12T13:01:01","date_gmt":"2024-06-12T05:01:01","guid":{"rendered":""},"modified":"2024-06-12T13:01:01","modified_gmt":"2024-06-12T05:01:01","slug":"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b","status":"publish","type":"post","link":"https:\/\/mushiming.com\/8357.html","title":{"rendered":"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u7b80\u4ecb<\/li>\n<li>\u4e00\u3001\u62c6\u89e3\u7f16\u8bd1\u8fc7\u7a0b<\/li>\n<li>\n<ul>\n<li>1\u3001\u51c6\u5907\u6e90\u7a0b\u5e8f<\/li>\n<li>2\u3001\u5206\u6790\u62c6\u89e3\u8fc7\u7a0b<\/li>\n<li>3\u3001 \u591a\u4e2a\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1<\/li>\n<li>4\u3001\u68c0\u9519\u7684\u7f16\u8bd1\u9009\u9879<\/li>\n<li>\n<ul>\n<li>1\u3001-pedantic \u7f16\u8bd1\u9009\u9879<\/li>\n<li>2\u3001-Wall \u7f16\u8bd1\u9009\u9879<\/li>\n<li>3\u3001-Werror \u7f16\u8bd1\u9009\u9879<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u5206\u6790 ELF \u6587\u4ef6<\/li>\n<li>\n<ul>\n<li>1.ELF \u6587\u4ef6\u683c\u5f0f<\/li>\n<li>2.\u67e5\u770bELF\u6587\u4ef6\u7684\u6bb5\u5185\u5bb9\uff0c\u6216\u67e5\u770b\u6307\u4ee4\u4e0e\u6570\u636e<\/li>\n<li>\n<ul>\n<li>1\u3001\u67e5\u770bELF\u6587\u4ef6\u7684\u6bb5\u5185\u5bb9<\/li>\n<li>2\u3001\u67e5\u770b\u6307\u4ee4\u4e0e\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/div>\n<hr>\n<h2>\u7b80\u4ecb<\/h2>\n<p>GCC \u7684\u610f\u601d\u4e5f\u53ea\u662f GNU C Compiler \u800c\u5df2\u3002\u7ecf\u8fc7\u4e86\u8fd9\u4e48\u591a\u5e74\u7684\u53d1\u5c55\uff0cGCC \u5df2\u7ecf\u4e0d\u4ec5\u4ec5\u80fd\u652f\u6301 C \u8bed\u8a00\uff1b\u5b83\u73b0\u5728\u8fd8\u652f\u6301 Ada \u8bed\u8a00\u3001C++ \u8bed\u8a00\u3001Java \u8bed\u8a00\u3001Objective C \u8bed\u8a00\u3001Pascal \u8bed\u8a00\u3001COBOL \u8bed\u8a00\uff0c\u4ee5\u53ca\u652f\u6301\u51fd\u6570\u5f0f\u7f16\u7a0b\u548c\u903b\u8f91\u7f16\u7a0b\u7684 Mercury \u8bed\u8a00\uff0c\u7b49\u7b49\u3002\u800c GCC \u4e5f\u4e0d\u518d\u5355\u53ea\u662f GNU C \u8bed \u8a00\u7f16\u8bd1\u5668\u7684\u610f\u601d\u4e86\uff0c\u800c\u662f\u53d8\u6210\u4e86 GNU Compiler Collection \u4e5f\u5373\u662f GNU \u7f16\u8bd1\u5668\u5bb6\u65cf\u7684\u610f\u601d\u4e86\u3002\u53e6 \u4e00\u65b9\u9762\uff0c\u8bf4\u5230 GCC \u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5e73\u53f0\u53ca\u786c\u4ef6\u5e73\u53f0\u652f\u6301\uff0c\u6982\u62ec\u8d77\u6765\u5c31\u662f\u4e00\u53e5\u8bdd\uff1a\u65e0\u6240\u4e0d\u5728\u3002<\/p>\n<hr>\n<h2>\u4e00\u3001\u62c6\u89e3\u7f16\u8bd1\u8fc7\u7a0b<\/h2>\n<h3>1\u3001\u51c6\u5907\u6e90\u7a0b\u5e8f<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/dc18c8ae31bb45ac9693b0bbc7011c11.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<blockquote>\n<p>\u4e00\u822c\u6765\u8bf4\u7f16\u8bd1\u4e00\u6b65\u5230\u4f4d\u7684\u6307\u4ee4\u4e3a<\/p>\n<\/blockquote>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc test<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test <\/code><\/pre>\n<h3>2\u3001\u5206\u6790\u62c6\u89e3\u8fc7\u7a0b<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u62c6\u89e3\u6210\uff1a\u9884\u5904\u7406\u3001\u7f16\u8bd1\u4e3a\u6c47\u7f16\u4ee3\u7801\u3001\u6c47\u7f16\u3001\u8fde\u63a5\u7b49\uff0c\u4e00\u6b65\u6b65\u6765\u7f16\u8bd1\u6e90\u7a0b\u5e8f\u3002<\/p>\n<p>1\u3001\u9884\u5904\u7406\u547d\u4ee4\u4e3a\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>E test<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test<span class=\"token punctuation\">.<\/span>i \u6216 gcc <span class=\"token operator\">-<\/span>E test<span class=\"token punctuation\">.<\/span>c <\/code><\/pre>\n<p>\u547d\u4ee4\u542b\u4e49\uff1a<\/p>\n<blockquote>\n<p>\u5c06\u6e90\u6587\u4ef6 hello.c \u6587\u4ef6\u9884\u5904\u7406\u751f\u6210 hello.i<br \/> GCC \u7684\u9009\u9879-E \u4f7f GCC \u5728\u8fdb\u884c\u5b8c\u9884\u5904\u7406\u540e\u5373\u505c\u6b62<\/p>\n<\/blockquote>\n<p>\u9884\u5904\u7406\u8fc7\u7a0b\uff1a<\/p>\n<blockquote>\n<p>(1)\u5c06\u6240\u6709\u7684#define \u5220\u9664\uff0c\u5e76\u4e14\u5c55\u5f00\u6240\u6709\u7684\u5b8f\u5b9a\u4e49\uff0c\u5e76\u4e14\u5904\u7406\u6240\u6709\u7684\u6761\u4ef6\u9884\u7f16 \u8bd1\u6307\u4ee4\uff0c\u6bd4\u5982#if #ifdef #elif #else #endif \u7b49\u3002<br \/> (2) \u5904\u7406#include \u9884\u7f16\u8bd1\u6307\u4ee4\uff0c\u5c06\u88ab\u5305\u542b\u7684\u6587\u4ef6\u63d2\u5165\u5230\u8be5\u9884\u7f16\u8bd1\u6307\u4ee4\u7684\u4f4d\u7f6e\u3002<br \/> (3) \u5220\u9664\u6240\u6709\u6ce8\u91ca\u201c\/\/\u201d\u548c\u201c\/* *\/\u201d\u3002<br \/> (4) \u6dfb\u52a0\u884c\u53f7\u548c\u6587\u4ef6\u6807\u8bc6\uff0c\u4ee5\u4fbf\u7f16\u8bd1\u65f6\u4ea7\u751f\u8c03\u8bd5\u7528\u7684\u884c\u53f7\u53ca\u7f16\u8bd1\u9519\u8bef\u8b66\u544a\u884c\u53f7\u3002<br \/> (5) \u4fdd\u7559\u6240\u6709\u7684#pragma \u7f16\u8bd1\u5668\u6307\u4ee4\uff0c\u540e\u7eed\u7f16\u8bd1\u8fc7\u7a0b\u9700\u8981\u4f7f\u7528\u5b83\u4eec<\/p>\n<\/blockquote>\n<p>\u67e5\u770b\u4e00\u4e0b.i\u6587\u4ef6<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/d0e84b9df97a4608a0984f70f0796a60.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u6253\u5f00 test.i \u6587\u4ef6\u4e00\u770b\uff0c\u5c31\u660e\u767d\u4e86\u3002\u540e \u9762\u90a3\u6761\u6307\u4ee4\uff0c\u662f\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u7a97\u53e3\u4e2d\u8f93\u51fa\u9884\u5904\u7406\u540e\u7684\u4ee3\u7801.<\/p>\n<p>2\u3001\u7f16\u8bd1\u4e3a\u6c47\u7f16\u4ee3\u7801<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>S test<span class=\"token punctuation\">.<\/span>i <span class=\"token operator\">-<\/span>o test<span class=\"token punctuation\">.<\/span>s <\/code><\/pre>\n<p>\u547d\u4ee4\u542b\u4e49\uff1a<\/p>\n<blockquote>\n<p>\u5c06\u9884\u5904\u7406\u751f\u6210\u7684 hello.i \u6587\u4ef6\u7f16\u8bd1\u751f\u6210\u6c47\u7f16\u7a0b\u5e8f hello.s<br \/> gcc \u7684-S \u9009\u9879\uff0c\u8868\u793a\u5728\u7a0b\u5e8f\u7f16\u8bd1\u671f\u95f4\uff0c\u5728\u751f\u6210\u6c47\u7f16\u4ee3\u7801\u540e\uff0c\u505c\u6b62\uff0c-o \u8f93\u51fa\u6c47\u7f16\u4ee3\u7801\u6587\u4ef6\u3002<\/p>\n<\/blockquote>\n<p>\u5904\u7406\u5185\u5bb9\uff1a<\/p>\n<blockquote>\n<p>\u7f16\u8bd1\u8fc7\u7a0b\u5c31\u662f\u5bf9\u9884\u5904\u7406\u5b8c\u7684\u6587\u4ef6\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u8bcd\u6cd5\u5206\u6790\uff0c\u8bed\u6cd5\u5206\u6790\uff0c\u8bed\u4e49\u5206\u6790\u53ca \u4f18\u5316\u540e\u751f\u6210\u76f8\u5e94\u7684\u6c47\u7f16\u4ee3\u7801\u3002<\/p>\n<\/blockquote>\n<p>3\u3001\u6c47\u7f16<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>c test<span class=\"token punctuation\">.<\/span>s <span class=\"token operator\">-<\/span>o test<span class=\"token punctuation\">.<\/span>o <\/code><\/pre>\n<p>\u547d\u4ee4\u542b\u4e49\uff1a<\/p>\n<blockquote>\n<p>\u5c06\u7f16\u8bd1\u751f\u6210\u7684 hello.s \u6587\u4ef6\u6c47\u7f16\u751f\u6210\u76ee\u6807\u6587\u4ef6 hello.o<br \/> GCC \u7684\u9009\u9879-c \u4f7f GCC \u5728\u6267\u884c\u5b8c\u6c47\u7f16\u540e\u505c\u6b62\uff0c\u751f\u6210\u76ee\u6807\u6587\u4ef6<\/p>\n<\/blockquote>\n<p>\u5904\u7406\u5185\u5bb9\uff1a<\/p>\n<blockquote>\n<p>\u6c47\u7f16\u8fc7\u7a0b\u8c03\u7528\u5bf9\u6c47\u7f16\u4ee3\u7801\u8fdb\u884c\u5904\u7406\uff0c\u751f\u6210\u5904\u7406\u5668\u80fd\u8bc6\u522b\u7684\u6307\u4ee4\uff0c\u4fdd\u5b58\u5728\u540e\u7f00\u4e3a.o \u7684\u76ee\u6807\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/blockquote>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\u76ee\u6807\u6587\u4ef6\u5df2\u7ecf\u662f\u6700\u7ec8\u7a0b\u5e8f\u7684\u67d0\u4e00\u90e8 \u5206\u4e86\uff0c\u53ea\u662f\u5728\u94fe\u63a5\u4e4b\u524d\u8fd8\u4e0d\u80fd\u6267\u884c\u3002<br \/> 4\u3001\u94fe\u63a5<br \/> \u94fe\u63a5\u53c8\u5206\u4e3a\u9759\u6001\u94fe\u63a5\u4e0e\u52a8\u6001\u94fe\u63a5\uff1a<br \/> \u8be6\u89c1\uff1a<br \/> Linux GCC \u7f16\u8bd1\u8fc7\u7a0b\u5206\u6790\u53ca\u5e38\u7528\u68c0\u9519\u7684\u7f16\u8bd1\u9009\u9879<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc test<span class=\"token punctuation\">.<\/span>o <span class=\"token operator\">-<\/span>o test <\/code><\/pre>\n<p>\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 Binutils \u7684 size \u547d\u4ee4\u67e5\u770b\u6587\u4ef6\u5927\u5c0f\u548c\u4f7f\u7528 Binutils \u7684 ldd \u547d\u4ee4\u67e5\u770b\u94fe\u63a5\u7684\u52a8\u6001\u5e93\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">size hello <\/code><\/pre>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">ldd hello <\/code><\/pre>\n<h3>3\u3001 \u591a\u4e2a\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1<\/h3>\n<p>\u901a\u5e38\u6574\u4e2a\u7a0b\u5e8f\u662f\u7531\u591a\u4e2a\u6e90\u6587\u4ef6\u7ec4\u6210\u7684\uff0c\u76f8\u5e94\u5730\u4e5f\u5c31\u5f62\u6210\u4e86\u591a\u4e2a\u7f16\u8bd1\u5355\u5143\uff0c\u4f7f\u7528 GCC \u80fd\u591f\u5f88\u597d\u5730\u7ba1\u7406 \u8fd9\u4e9b\u7f16\u8bd1\u5355\u5143.<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u8fd9\u884c\u547d\u4ee4\u4e00\u6b65\u5230\u4f4d\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc test1<span class=\"token punctuation\">.<\/span>c test2<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test <\/code><\/pre>\n<p>\u5982\u679c\u540c\u65f6\u5904\u7406\u7684\u6587\u4ef6\u4e0d\u6b62\u4e00\u4e2a\uff0cGCC \u4ecd\u7136\u4f1a\u6309\u7167\u9884\u5904\u7406\u3001\u7f16\u8bd1\u548c\u94fe\u63a5\u7684\u8fc7\u7a0b\u4f9d\u6b21\u8fdb\u884c\u3002\u5982\u679c\u6df1\u7a76\u8d77 \u6765\uff0c\u4e0a\u9762\u8fd9\u6761\u547d\u4ee4\u5927\u81f4\u76f8\u5f53\u4e8e\u4f9d\u6b21\u6267\u884c\u5982\u4e0b\u4e09\u6761\u547d\u4ee4\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>c test1<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test1<span class=\"token punctuation\">.<\/span>o gcc <span class=\"token operator\">-<\/span>c test2<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test2<span class=\"token punctuation\">.<\/span>o gcc test1<span class=\"token punctuation\">.<\/span>o test2<span class=\"token punctuation\">.<\/span>o <span class=\"token operator\">-<\/span>o test <\/code><\/pre>\n<h3>4\u3001\u68c0\u9519\u7684\u7f16\u8bd1\u9009\u9879<\/h3>\n<h4>1\u3001-pedantic \u7f16\u8bd1\u9009\u9879<\/h4>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>pedantic illcode<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o illcode <\/code><\/pre>\n<blockquote>\n<p>-pedantic \u9009\u9879\u80fd\u591f\u5e2e\u52a9\u7a0b\u5e8f\u5458\u53d1\u73b0\u4e00\u4e9b\u4e0d\u7b26\u5408 ANSI\/ISO C \u6807\u51c6\u7684\u4ee3\u7801\uff0c\u4f46\u4e0d\u662f\u5168\u90e8\uff0c\u4e8b\u5b9e\u4e0a\u53ea\u6709 ANSI\/ISO C \u8bed\u8a00\u6807\u51c6\u4e2d\u8981\u6c42\u8fdb\u884c\u7f16\u8bd1\u5668\u8bca\u65ad\u7684 \u90a3\u4e9b\u60c5\u51b5\uff0c\u624d\u6709\u53ef\u80fd\u88ab GCC \u53d1\u73b0\u5e76\u63d0\u51fa\u8b66\u544a\u3002<\/p>\n<\/blockquote>\n<h4>2\u3001-Wall \u7f16\u8bd1\u9009\u9879<\/h4>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>Wall illcode<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o illcode <\/code><\/pre>\n<blockquote>\n<p>\u4f7f\u7528\u5b83\u4e5f\u80fd\u591f\u4f7f GCC \u4ea7\u751f\u5c3d\u53ef\u80fd\u591a\u7684\u8b66\u544a\u4fe1\u606f<\/p>\n<\/blockquote>\n<h4>3\u3001-Werror \u7f16\u8bd1\u9009\u9879<\/h4>\n<p>\u793a\u4f8b:<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">gcc <span class=\"token operator\">-<\/span>Werror test<span class=\"token punctuation\">.<\/span>c <span class=\"token operator\">-<\/span>o test <\/code><\/pre>\n<blockquote>\n<p>\u5728\u7f16\u8bd1\u7a0b\u5e8f\u65f6\u5e26\u4e0a-Werror \u9009\u9879\uff0c\u90a3 \u4e48 GCC \u4f1a\u5728\u6240\u6709\u4ea7\u751f\u8b66\u544a\u7684\u5730\u65b9\u505c\u6b62\u7f16\u8bd1\uff0c\u8feb\u4f7f\u7a0b\u5e8f\u5458\u5bf9\u81ea\u5df1\u7684\u4ee3\u7801\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<\/blockquote>\n<p>\u793a\u4f8b\uff1apandas \u662f\u57fa\u4e8eNumPy \u7684\u4e00\u79cd\u5de5\u5177\uff0c\u8be5\u5de5\u5177\u662f\u4e3a\u4e86\u89e3\u51b3\u6570\u636e\u5206\u6790\u4efb\u52a1\u800c\u521b\u5efa\u7684\u3002<\/p>\n<h2>\u4e8c\u3001\u5206\u6790 ELF \u6587\u4ef6<\/h2>\n<h3>1.ELF \u6587\u4ef6\u683c\u5f0f<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/e50f0bbb292b4b298ef618d369e5a304.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u4e00\u4e2a\u5178\u578b\u7684ELF\u6587\u4ef6\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u6bb5\uff1a<br \/> \u8bf4\u660e\uff1a<\/p>\n<blockquote>\n<p>.text\uff1a\u5df2\u7f16\u8bd1\u7a0b\u5e8f\u7684\u6307\u4ee4\u4ee3\u7801\u6bb5\u3002<br \/> .rodata\uff1aro \u4ee3\u8868 read only\uff0c\u5373\u53ea\u8bfb\u6570\u636e\uff08\u8b6c\u5982\u5e38\u6570 const\uff09\u3002<br \/> .data\uff1a\u5df2\u521d\u59cb\u5316\u7684 C \u7a0b\u5e8f\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u3002<br \/> .bss\uff1a\u672a\u521d\u59cb\u5316\u7684 C \u7a0b\u5e8f\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u3002<br \/> .debug\uff1a\u8c03\u8bd5\u7b26\u53f7\u8868\uff0c\u8c03\u8bd5\u5668\u7528\u6b64\u6bb5\u7684\u4fe1\u606f\u5e2e\u52a9\u8c03\u8bd5<\/p>\n<\/blockquote>\n<h3>2.\u67e5\u770bELF\u6587\u4ef6\u7684\u6bb5\u5185\u5bb9\uff0c\u6216\u67e5\u770b\u6307\u4ee4\u4e0e\u6570\u636e<\/h3>\n<h4>1\u3001\u67e5\u770bELF\u6587\u4ef6\u7684\u6bb5\u5185\u5bb9<\/h4>\n<blockquote>\n<p>\u53ef\u4ee5\u4f7f\u7528 readelf -S \u67e5\u770b\u5176\u5404\u4e2a section \u7684\u4fe1\u606f\uff1a<\/p>\n<\/blockquote>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">$ readelf <span class=\"token operator\">-<\/span>S \u76ee\u6807\u6587\u4ef6 <\/code><\/pre>\n<h4>2\u3001\u67e5\u770b\u6307\u4ee4\u4e0e\u6570\u636e<\/h4>\n<blockquote>\n<p>\u7531\u4e8e ELF \u6587\u4ef6\u65e0\u6cd5\u88ab\u5f53\u505a\u666e\u901a\u6587\u672c\u6587\u4ef6\u6253\u5f00\uff0c\u5982\u679c\u5e0c\u671b\u76f4\u63a5\u67e5\u770b\u4e00\u4e2a ELF \u6587\u4ef6\u5305 \u542b\u7684\u6307\u4ee4\u548c\u6570\u636e\uff0c\u9700\u8981\u4f7f\u7528\u53cd\u6c47\u7f16\u7684\u65b9\u6cd5\u3002 \u4f7f\u7528 objdump -D \u5bf9\u5176\u8fdb\u884c\u53cd\u6c47\u7f16\u3002<\/p>\n<\/blockquote>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">$ objdump <span class=\"token operator\">-<\/span>D \u76ee\u6807\u6587\u4ef6 <\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4eca\u5929\u603b\u7ed3\u7684\u5185\u5bb9\uff0c\u672c\u6587\u4ec5\u4ec5\u7b80\u5355\u5206\u6790\u4e86GCC\u7684\u7f16\u8bd1\u4e0e\u4f7f\u7528\uff0c\u8fd8\u6709\u4e00\u4e9b\u68c0\u9519\u9009\u9879\u6765\u5e2e\u52a9\u6211\u4eec\u67e5\u770b\u8b66\u544a\uff0c\u8fd8\u4ecb\u7ecd\u4e86ELF\u6587\u4ef6\u7684\u683c\u5f0f\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"linux\u4e2dgcc\u7f16\u8bd1_\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1\u9519\u8bef\u5206\u4e3a\u54ea\u4e24\u7c7b\u672c\u6587\u4ecb\u7ecd\u4e86LinuxGCC\u7f16\u8bd1\u8fc7\u7a0b\u7684\u62c6\u89e3\u548c\u5e38\u7528\u68c0\u9519\u7684\u7f16\u8bd1\u9009\u9879\uff0c\u5305\u62ec-pedantic\u3001-Wall...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/8357"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=8357"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/8357\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=8357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=8357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=8357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}