{"provider_url":"https://hatena.blog","title":"syscalls","image_url":null,"version":"1.0","author_name":"cookie-s","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcookies.hatenablog.jp%2Fentry%2F2013%2F06%2F29%2F112054\" title=\"syscalls - cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://cookies.hatenablog.jp/","width":"100%","blog_title":"cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr","url":"https://cookies.hatenablog.jp/entry/2013/06/29/112054","published":"2013-06-29 11:20:54","provider_name":"Hatena Blog","description":"Linux\u524d\u63d0\u3067\u8a71\u3092\u9032\u3081\u307e\u3059 -- \u5b8c\u5168\u306b\u81ea\u5206\u306e\u74b0\u5883\u306e\u8a71\u3067\u3059Linux3.9.7 -- \u307e\u3042\u3001\u81ea\u5206\u3067\u5168\u90e8\u66f8\u3044\u305f\u3053\u3068\u306a\u3093\u3066\u5b9f\u306f\u306a\u3044\u3093\u3060\u3051\u3069\u3001 \u3044\u308d\u3093\u306a\u3068\u3053\u308d\u304b\u3089shellcode\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304d\u307e\u3059\u3002//\u4eca\u306a\u3089\u66f8\u3051\u308b\u6c17\u304c\u3059\u308b \u305d\u3046\u3059\u308b\u3068\u5fc5\u305aint $0x80\u3063\u3066\u306e\u304c\u3042\u308b\u308f\u3051\u3067\u3059\u3002x86\u3060\u3068\u3002 \u3053\u308c\u304csyscall\u306a\u308f\u3051\u3067\u3059\u304c\u3001eax\u306b\u305d\u306e\u756a\u53f7\u3092\u3044\u308c\u307e\u3059\u3088\u306d\u3002\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u3002man syscall\u3088\u308a arch/ABI instruction syscall # retval Notes arm/OABI swi NR - a1 NR is syscall # arm/EABI swi 0x0\u2026","categories":["linux","\u5099\u5fd8\u9332"],"author_url":"https://blog.hatena.ne.jp/cookie-s/","height":"190"}