{"id":61271,"date":"2025-04-29T12:53:33","date_gmt":"2025-04-29T04:53:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61271\/"},"modified":"2025-04-29T12:53:33","modified_gmt":"2025-04-29T04:53:33","slug":"linux%e4%b8%8b%e4%bd%bf%e7%94%a8gdb%e8%b0%83%e8%af%95%e5%b5%8c%e5%85%a5%e5%bc%8farm%e6%b1%87%e7%bc%96%e4%bc%98%e5%8c%96%e7%9a%84%e7%a8%8b%e5%ba%8f%e7%9a%84%e5%b8%b8%e8%a7%81%e9%85%8d%e7%bd%ae-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61271\/","title":{"rendered":"Linux\u4e0b\u4f7f\u7528GDB\u8c03\u8bd5\u5d4c\u5165\u5f0fARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\u7684\u5e38\u89c1\u914d\u7f6e\u65b9\u6cd5"},"content":{"rendered":"<p>\u4e0b\u4f7f\u7528gdb\u8c03\u8bd5\u5d4c\u5165\u5f0farm\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\u7684\u5e38\u89c1\u914d\u7f6e\u65b9\u6cd5<\/p>\n<p>\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cARM\u67b6\u6784\u7684\u82af\u7247\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9009\u62e9\u3002\u800c\u5728ARM\u6c47\u7f16\u7a0b\u5e8f\u7684\u7f16\u5199\u8fc7\u7a0b\u4e2d\uff0c\u4f18\u5316\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u7531\u4e8e\u4f18\u5316\u4e0e\u4ee3\u7801\u7684\u7b80\u5316\u548c\u91cd\u7ec4\u6709\u5173\uff0c\u8fd9\u4e5f\u7ed9\u8c03\u8bd5\u5e26\u6765\u4e86\u4e00\u5b9a\u7684\u56f0\u96be\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528GDB\u6765\u8c03\u8bd5\u5d4c\u5165\u5f0fARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5e38\u89c1\u7684\u914d\u7f6e\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u73af\u5883\u914d\u7f6e<\/p>\n<ol>\n<li>\u5b89\u88c5ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe<\/li>\n<\/ol>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\uff0c\u4ee5\u4fbf\u5728Linux\u73af\u5883\u4e0b\u7f16\u8bd1ARM\u6c47\u7f16\u7a0b\u5e8f\u3002\u5e38\u7528\u7684ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u6709gcc\uff0cbinutils\u7b49\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\uff1a<\/p>\n<pre>sudo apt-get install gcc-arm-linux-gnueabi<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u7f16\u5199ARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f<\/li>\n<\/ol>\n<p>\u63a5\u4e0b\u6765\uff0c\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684ARM\u6c47\u7f16\u4f18\u5316\u7a0b\u5e8f\u4f5c\u4e3a\u793a\u4f8b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u52a0\u6cd5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>.global add\n.thumb_func\nadd:\n    mov r2, r0\n    add r0, r1, r0\n    bx lr<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5b9e\u73b0\u4e86\u4e24\u4e2a\u6570\u7684\u52a0\u6cd5\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528bx lr\u6307\u4ee4\u8fd4\u56de\u8c03\u7528\u8005\u3002<\/p>\n<ol>\n<li>\u7f16\u8bd1\u548c\u8fd0\u884c\u7a0b\u5e8f<\/li>\n<\/ol>\n<p>\u4f7f\u7528\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u5c06\u6c47\u7f16\u4ee3\u7801\u7f16\u8bd1\u6210\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>arm-linux-gnueabi-gcc -o test test.s<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u8fd0\u884c\u751f\u6210\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff1a<\/p>\n<pre>qemu-arm .\/test<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e8c\u3001\u4f7f\u7528GDB\u8c03\u8bd5\u4f18\u5316\u7684ARM\u6c47\u7f16\u7a0b\u5e8f<\/p>\n<ol>\n<li>\u914d\u7f6e\u542f\u52a8GDB<\/li>\n<\/ol>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8GDB\uff0c\u5e76\u52a0\u8f7d\u53ef\u6267\u884c\u6587\u4ef6\uff1a<\/p>\n<pre>arm-linux-gnueabi-gdb -q test<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u8bbe\u7f6e\u65ad\u70b9<\/li>\n<\/ol>\n<p>\u5728GDB\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528break\u547d\u4ee4\u8bbe\u7f6e\u65ad\u70b9\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u5728\u51fd\u6570\u7684\u5165\u53e3\u5904\uff1a<\/p>\n<pre>(gdb) break add<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u542f\u52a8\u7a0b\u5e8f\u8c03\u8bd5<\/li>\n<\/ol>\n<p>\u4f7f\u7528run\u547d\u4ee4\u542f\u52a8\u7a0b\u5e8f\u8c03\u8bd5\uff1a<\/p>\n<pre>(gdb) run<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7a0b\u5e8f\u5c06\u5728\u8bbe\u7f6e\u7684\u65ad\u70b9\u5904\u505c\u4e0b\u6765\u3002<\/p>\n<ol>\n<li>\u5355\u6b65\u6267\u884c\u7a0b\u5e8f<\/li>\n<\/ol>\n<p>\u4f7f\u7528stepi\u547d\u4ee4\u8fdb\u884c\u5355\u6b65\u6267\u884c\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u9010\u6761\u6267\u884cARM\u6c47\u7f16\u6307\u4ee4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>(gdb) stepi<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u67e5\u770b\u5bc4\u5b58\u5668\u548c\u5185\u5b58<\/li>\n<\/ol>\n<p>\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528info registers\u547d\u4ee4\u6765\u67e5\u770b\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u4f7f\u7528x\u547d\u4ee4\u6765\u67e5\u770b\u5185\u5b58\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>(gdb) info registers\n(gdb) x\/4xw $sp<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u8c03\u8bd5\u7ed3\u675f<\/li>\n<\/ol>\n<p>\u5728\u8c03\u8bd5\u7ed3\u675f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528quit\u547d\u4ee4\u9000\u51faGDB\u3002<\/p>\n<p>\u4e09\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n<ol>\n<li>\u4f7f\u7528\u9759\u6001\u94fe\u63a5\u5e93<\/li>\n<\/ol>\n<p>\u5728\u7f16\u8bd1\u4f18\u5316\u7684ARM\u6c47\u7f16\u7a0b\u5e8f\u65f6\uff0c\u5e94\u8be5\u786e\u4fdd\u9759\u6001\u94fe\u63a5\u6240\u6709\u9700\u8981\u7684\u5e93\u6587\u4ef6\uff0c\u4ee5\u907f\u514d\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u627e\u4e0d\u5230\u6587\u4ef6\u7684\u9519\u8bef\u3002<\/p>\n<ol>\n<li>\u4f18\u5316\u9009\u9879<\/li>\n<\/ol>\n<p>\u5728\u7f16\u8bd1\u4f18\u5316\u7684ARM\u6c47\u7f16\u7a0b\u5e8f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u9002\u5f53\u7684\u4f18\u5316\u9009\u9879\uff0c \u5982-O2\u6765\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\u3002\u4f46\u662f\uff0c\u5728\u8c03\u8bd5\u65f6\u5e94\u8be5\u4f7f\u7528-O0\u6765\u7981\u7528\u4f18\u5316\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8ddf\u8e2a\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n<ol>\n<li>\u8bbe\u7f6e\u7b26\u53f7\u8868<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u80fd\u591f\u5728GDB\u4e2d\u6b63\u786e\u663e\u793a\u6e90\u4ee3\u7801\uff0c\u5e94\u8be5\u5728\u7f16\u8bd1\u65f6\u901a\u8fc7-g\u9009\u9879\u751f\u6210\u7b26\u53f7\u8868\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>arm-linux-gnueabi-gcc -g -o test test.s<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\uff0c\u5728GDB\u4e2d\u5c31\u80fd\u591f\u6b63\u786e\u663e\u793a\u6e90\u4ee3\u7801\u548c\u51fd\u6570\u540d\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u901a\u8fc7\u672c\u6587\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u5982\u4f55\u5728Linux\u4e0b\u4f7f\u7528GDB\u8c03\u8bd5\u4f18\u5316\u7684\u5d4c\u5165\u5f0fARM\u6c47\u7f16\u7a0b\u5e8f\u3002\u5728\u8c03\u8bd5\u4f18\u5316\u7684\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6ce8\u610f\u914d\u7f6e\u9009\u9879\u548c\u4f7f\u7528\u8c03\u8bd5\u547d\u4ee4\u3002\u8fd9\u4e9b\u6280\u5de7\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u8c03\u8bd5\u4f18\u5316\u7684ARM\u6c47\u7f16\u7a0b\u5e8f\u3002\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u901a\u8fc7\u672c\u6587\u5b66\u5230\u4e00\u4e9b\u5b9e\u7528\u7684\u8c03\u8bd5\u6280\u5de7\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5f00\u53d1\u548c\u8c03\u8bd5ARM\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux\u4e0b\u4f7f\u7528GDB\u8c03\u8bd5\u5d4c\u5165\u5f0fARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\u7684\u5e38\u89c1\u914d\u7f6e\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u4f7f\u7528gdb\u8c03\u8bd5\u5d4c\u5165\u5f0farm\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\u7684\u5e38\u89c1\u914d\u7f6e\u65b9\u6cd5 \u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cARM\u67b6\u6784\u7684\u82af\u7247\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9009\u62e9\u3002\u800c\u5728ARM\u6c47\u7f16\u7a0b\u5e8f\u7684\u7f16\u5199\u8fc7\u7a0b\u4e2d\uff0c\u4f18\u5316\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u7531\u4e8e\u4f18\u5316\u4e0e\u4ee3\u7801\u7684\u7b80\u5316\u548c\u91cd\u7ec4\u6709\u5173\uff0c\u8fd9\u4e5f\u7ed9\u8c03\u8bd5\u5e26\u6765\u4e86\u4e00\u5b9a\u7684\u56f0\u96be\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528GDB\u6765\u8c03\u8bd5\u5d4c\u5165\u5f0fARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5e38\u89c1\u7684\u914d\u7f6e\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u73af\u5883\u914d\u7f6e \u5b89\u88c5ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\uff0c\u4ee5\u4fbf\u5728Linux\u73af\u5883\u4e0b\u7f16\u8bd1ARM\u6c47\u7f16\u7a0b\u5e8f\u3002\u5e38\u7528\u7684ARM\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u6709gcc\uff0cbinutils\u7b49\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\uff1a sudo apt-get install gcc-arm-linux-gnueabi \u767b\u5f55\u540e\u590d\u5236 \u7f16\u5199ARM\u6c47\u7f16\u4f18\u5316\u7684\u7a0b\u5e8f \u63a5\u4e0b\u6765\uff0c\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684ARM\u6c47\u7f16\u4f18\u5316\u7a0b\u5e8f\u4f5c\u4e3a\u793a\u4f8b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u52a0\u6cd5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a .global add .thumb_func add: mov r2, r0 add r0, r1, r0 bx lr \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u4ee3\u7801\u5b9e\u73b0\u4e86\u4e24\u4e2a\u6570\u7684\u52a0\u6cd5\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528bx lr\u6307\u4ee4\u8fd4\u56de\u8c03\u7528\u8005\u3002 \u7f16\u8bd1\u548c\u8fd0\u884c\u7a0b\u5e8f \u4f7f\u7528\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u5c06\u6c47\u7f16\u4ee3\u7801\u7f16\u8bd1\u6210\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4f8b\u5982\uff1a arm-linux-gnueabi-gcc -o test test.s \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u8fd0\u884c\u751f\u6210\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff1a qemu-arm .\/test \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u4f7f\u7528GDB\u8c03\u8bd5\u4f18\u5316\u7684ARM\u6c47\u7f16\u7a0b\u5e8f \u914d\u7f6e\u542f\u52a8GDB \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8GDB\uff0c\u5e76\u52a0\u8f7d\u53ef\u6267\u884c\u6587\u4ef6\uff1a arm-linux-gnueabi-gdb -q test \u767b\u5f55\u540e\u590d\u5236 \u8bbe\u7f6e\u65ad\u70b9 \u5728GDB\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528break\u547d\u4ee4\u8bbe\u7f6e\u65ad\u70b9\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u5728\u51fd\u6570\u7684\u5165\u53e3\u5904\uff1a (gdb) break add \u767b\u5f55\u540e\u590d\u5236 \u542f\u52a8\u7a0b\u5e8f\u8c03\u8bd5 \u4f7f\u7528run\u547d\u4ee4\u542f\u52a8\u7a0b\u5e8f\u8c03\u8bd5\uff1a (gdb) 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