{"width":"100%","author_name":"derwind","image_url":null,"blog_url":"https://randommemory.hatenablog.com/","url":"https://randommemory.hatenablog.com/entry/2021/05/17/010550","provider_url":"https://hatena.blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","author_url":"https://blog.hatena.ne.jp/derwind/","type":"rich","description":"p. 89 \u306e\u300c\u30dd\u30a4\u30f3\u30bf\u3068\u30a2\u30bb\u30f3\u30d6\u30ea\u8a00\u8a9e\u300d\u306b\u3064\u3044\u3066\u3084\u306f\u308a\u5c11\u3057\u898b\u3066\u304a\u304f\u3002 [foo.cpp] #include <cstdint> void foo() { int i = 42; int* p = &i; int r1 = *p; *p = 1; int r2 = i; uintptr_t addr = reinterpret_cast<uintptr_t>(p); int* q = reinterpret_cast<int*>(addr); } \u3092\u4f7f\u3063\u3066\u3001 clang++ -O0 -S -o foo.s foo.cpp \u3057\u3066\u5185\u5bb9\u3092\u898b\u3066\u307f\u308b\u3002\uff08g++ \u3060\u3068\u307e\u305f\u5fae\u5999\u306b\u9055\u3063\u305f\u306e\u3067\u4eca\u56de\u306f\u306a\u304b\u3063\u305f\u3053\u3068\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2021%2F05%2F17%2F010550\" title=\"\u307f\u304b\u3093\u65e5\u8a18 (6) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u307f\u304b\u3093\u65e5\u8a18 (6)","categories":["OS"],"published":"2021-05-17 01:05:50","provider_name":"Hatena Blog","version":"1.0","height":"190"}