<\/p>\n\n\n\n
#include <stdio.h>\n\nchar * str = \"Hello World\";\nint main(void){\n puts(str);\n return 0;\n}<\/code><\/pre>\n\n\n\n\u53cd\u6c47\u7f16\u4ee3\u7801\uff1a<\/p>\n\n\n\n
0x000011e0 <+19>:\tcall 0x120d <__x86.get_pc_thunk.ax>\n 0x000011e5 <+24>:\tadd eax,0x2df3\n 0x000011ea <+29>:\tmov edx,DWORD PTR [eax+0x30]\n 0x000011f0 <+35>:\tsub esp,0xc\n 0x000011f3 <+38>:\tpush edx\n 0x000011f4 <+39>:\tmov ebx,eax\n 0x000011f6 <+41>:\tcall 0x1070 <puts@plt><\/code><\/pre>\n\n\n\n\u518d\u770b\u91cd\u5b9a\u4f4d\u8868\u3002<\/p>\n\n\n\n
p@ubuntu:~\/Templates$ readelf -r Hello\n\nRelocation section '.rel.dyn' at offset 0x3a4 contains 9 entries:\n Offset Info Type Sym.Value Sym. Name\n00003ed8 00000008 R_386_RELATIVE # init_array\n00003edc 00000008 R_386_RELATIVE # fini_array\n00003ff8 00000008 R_386_RELATIVE \n00004004 00000008 R_386_RELATIVE \n00004008 00000008 R_386_RELATIVE # \u8fd9\u91cc\u5c31\u662f\u6211\u4eecstr\u5168\u5c40\u53d8\u91cf\u3002\u8be5\u5730\u5740\u5728data\u6bb5\n00003fec 00000106 R_386_GLOB_DAT 00000000 _ITM_deregisterTMClone\n00003ff0 00000206 R_386_GLOB_DAT 00000000 __cxa_finalize@GLIBC_2.1.3\n00003ff4 00000406 R_386_GLOB_DAT 00000000 __gmon_start__\n00003ffc 00000606 R_386_GLOB_DAT 00000000 _ITM_registerTMCloneTa\n\nRelocation section '.rel.plt' at offset 0x3ec contains 2 entries:\n Offset Info Type Sym.Value Sym. Name\n00003fe4 00000307 R_386_JUMP_SLOT 00000000 puts@GLIBC_2.0\n00003fe8 00000507 R_386_JUMP_SLOT 00000000 __libc_start_main@GLIBC_2.0\n<\/code><\/pre>\n\n\n\n\u786e\u5b9e\u901a\u8fc7ip relative \u6765\u5b9a\u4f4d\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u5e76\u4e0d\u5e94\u8be5\u9700\u8981\u91cd\u5b9a\u4f4d\uff0c\u4f46\u53ea\u80fd\u5b9a\u4f4d\u5230\u6307\u5411”helloWorld”\u5b57\u7b26\u4e32\u5168\u5c40\u6307\u9488\u3002\u4f46\u662f\u8fd9\u4e2a\u5168\u5c40\u6307\u9488\u9700\u8981\u91cd\u5b9a\u4f4d\uff0c\u5c06\u6307\u5411\u76f8\u5bf9\u6587\u4ef6\u504f\u79fb\u7684\u5730\u5740\u8f6c\u5316\u4e3a\u6307\u5411\u5185\u5b58\u504f\u79fb\u7684\u5730<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u901a\u8fc7\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u6307\u9488\u8bbf\u95ee\u3002<\/h2>\n\n\n\n#include <stdio.h>\nchar * str2;\nint main(void){\n str2 = \"Hello World\" ;\n puts(str2);\n return 0;\n}<\/code><\/pre>\n\n\n\n\u53cd\u6c47\u7f16\u4ee3\u7801<\/p>\n\n\n\n
0x000011e0 <+19>:\tcall 0x1219 <__x86.get_pc_thunk.ax>\n 0x000011e5 <+24>:\tadd eax,0x2df3\n 0x000011ea <+29>:\tlea edx,[eax-0x1fd0]\n 0x000011f0 <+35>:\tmov DWORD PTR [eax+0x34],edx\n 0x000011f6 <+41>:\tmov edx,DWORD PTR [eax+0x34]\n 0x000011fc <+47>:\tsub esp,0xc\n 0x000011ff <+50>:\tpush edx\n 0x00001200 <+51>:\tmov ebx,eax\n 0x00001202 <+53>:\tcall 0x1070 <puts@plt><\/code><\/pre>\n\n\n\n\u6ca1\u6709\u91cd\u5b9a\u4f4d\uff0c\u61c2\u5f97\u90fd\u61c2\u3002<\/p>\n\n\n\n
\u5c40\u90e8\u53d8\u91cf\u4f7f\u7528\u8bbf\u95ee\u6a21\u5757\u5185\u90e8\u5168\u5c40\u53d8\u91cf\u6307\u9488\u3002<\/h2>\n\n\n\nchar * str = \"Hello World\";\nint main(void){\n char * str2 = str ;\n puts(str2);\n return 0;\n}\n<\/code><\/pre>\n\n\n\n\u53cd\u6c47\u7f16\u4ee3\u7801<\/p>\n\n\n\n
0x000011e0 <+19>:\tsub esp,0x10\n 0x000011e3 <+22>:\tcall 0x1215 <__x86.get_pc_thunk.ax>\n 0x000011e8 <+27>:\tadd eax,0x2df0\n 0x000011ed <+32>:\tmov edx,DWORD PTR [eax+0x30]\n 0x000011f3 <+38>:\tmov DWORD PTR [ebp-0xc],edx\n 0x000011f6 <+41>:\tsub esp,0xc\n 0x000011f9 <+44>:\tpush DWORD PTR [ebp-0xc]\n 0x000011fc <+47>:\tmov ebx,eax\n 0x000011fe <+49>:\tcall 0x1070 <puts@plt><\/code><\/pre>\n\n\n\n\u901a\u8fc7ip relative \u6307\u4ee4\u5b9a\u4f4d\u52300x4008\uff0c\u8be5\u5730\u5740\u7684\u503c\u6307\u5411”Hello World”\u5b57\u7b26\u4e32\uff0c<\/p>\n\n\n\n
\u67e5\u770b\u91cd\u5b9a\u4f4d\u8868<\/p>\n\n\n\n
p@ubuntu:~\/Templates$ readelf -r Hello\n\nRelocation section '.rel.dyn' at offset 0x3a4 contains 9 entries:\n Offset Info Type Sym.Value Sym. Name\n00003ed8 00000008 R_386_RELATIVE \n00003edc 00000008 R_386_RELATIVE \n00003ff8 00000008 R_386_RELATIVE \n00004004 00000008 R_386_RELATIVE \n00004008 00000008 R_386_RELATIVE # \u8fd9\u6b21\u5c06\u5b58\u50a8\u5b57\u7b26\u4e32\u7684\u6307\u9488\u5b58\u653e\u5728\u8be5\u5904\n00003fec 00000106 R_386_GLOB_DAT 00000000 _ITM_deregisterTMClone\n00003ff0 00000206 R_386_GLOB_DAT 00000000 __cxa_finalize@GLIBC_2.1.3\n00003ff4 00000406 R_386_GLOB_DAT 00000000 __gmon_start__\n00003ffc 00000606 R_386_GLOB_DAT 00000000 _ITM_registerTMCloneTa\n\nRelocation section '.rel.plt' at offset 0x3ec contains 2 entries:\n Offset Info Type Sym.Value Sym. Name\n00003fe4 00000307 R_386_JUMP_SLOT 00000000 puts@GLIBC_2.0\n00003fe8 00000507 R_386_JUMP_SLOT 00000000 __libc_start_main@GLIBC_2.0<\/code><\/pre>\n\n\n\n\u8be5\u5904\u4e3adata\u6bb5\u3002<\/p>\n\n\n\n
\u4e14\u8be5\u5730\u5740\u7684\u503c\u4e3a0x2008 \uff0c \u521a\u597d\u4e3a\u201chello world” \u5b57\u7b26\u4e32\u7684\u6587\u4ef6\u504f\u79fb\u3002<\/p>\n\n\n\n
\u76f4\u63a5\u8bbf\u95ee<\/h2>\n\n\n\n#include <stdio.h>\nint main(void){\n puts(\"Hello World\");\n return 0;\n}<\/code><\/pre>\n\n\n\n\u540c\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u6307\u9488\u8bbf\u95ee\u3002\u90a3\u5fc5\u7136\u4e0d\u9700\u8981\u91cd\u5b9a\u4f4d\u3002<\/p>\n\n\n\n
\u7ed3\u8bba<\/h2>\n\n\n\n\u6a21\u5757\u5185\u90e8\u53d8\u91cf\u6307\u9488<\/th> <\/th> <\/th> \u7c7b\u578b<\/th> <\/th> \u91cd\u5b9a\u4f4d\u5730\u5740<\/th><\/tr><\/thead> \u76f4\u63a5\u8bbf\u95ee<\/td> <\/td> <\/td> \u65e0<\/td> <\/td> <\/td><\/tr> \u5168\u5c40\u51fd\u6570\u6307\u9488\u8c03\u7528<\/td> <\/td> <\/td> R_386_RELATIVE<\/td> <\/td> data\u6bb5<\/td><\/tr> \u672a\u521d\u59cb\u5316\u5168\u5c40\u6307\u9488\u8bbf\u95ee<\/td> <\/td> <\/td> \u65e0<\/td> <\/td> <\/td><\/tr> \u5c40\u90e8\u6307\u9488\u8bbf\u95ee<\/td> <\/td> <\/td> R_386_RELATIVE<\/td> <\/td> data\u6bb5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u5230\u8fd9\u91cc\uff0c\u6709\u4e2a\u4f53\u4f1a\uff0c\u91cd\u5b9a\u4f4d\u7684\u5bf9\u8c61\u90fd\u662f\u6307\u9488\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u901a\u8fc7\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u6307\u9488\u8bbf\u95ee\u3002 \u53cd\u6c47\u7f16\u4ee3\u7801\uff1a \u518d\u770b\u91cd\u5b9a\u4f4d\u8868\u3002 \u786e\u5b9e\u901a\u8fc7ip relative \u6765\u5b9a\u4f4d\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19,9],"tags":[25,29],"_links":{"self":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/270"}],"collection":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=270"}],"version-history":[{"count":3,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/270\/revisions"}],"predecessor-version":[{"id":273,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/270\/revisions\/273"}],"wp:attachment":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=270"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}