在C中我们以这种方式记录:
syslog( LOG_INFO, "proxying %s", url );
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在Linux中我们如何检查日志?
0x0000000000400507 <main+28>: 74 0c je 0x400515 <main+42>
0x0000000000400509 <main+30>: bf 28 06 40 00 mov $0x400628,%edi
..
0x400507 <main+28>: 0x28bf0c74
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我的结论是对的吗?
Keep-Alive: 300
Proxy-Connection: keep-alive
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正如我们所知,当请求得到响应时,HTTP连接已关闭,那么它是什么意思keep-alive,有人可以详细说明吗?
77f4bcbc 8945fc mov dword ptr [ebp-4],eax
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这是规则:
88 /r MOV r/m8,r8 2/2 Move byte register to r/m byte
89 /r MOV r/m16,r16 2/2 Move word register to r/m word
89 /r MOV r/m32,r32 2/2 Move dword register to r/m dword
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如何解释8945fc到mov dword ptr [ebp-4],eax?
http_build_query($array)将数组转换为格式a=1&b=2,
但是如何让它转换为格式a=1;b=2?
那里有原生功能吗?
(void) fputs( line, stdout );
(void) alarm( TIMEOUT );
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上面出现在函数体中,我以前从未见过这样的代码......
char_array.c:
char arr[1];
int main(void) { printf("%s\n", arr); return 0; }
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char_array.exewindbg转储的符号:
0:000> x char_array!*
0040702c char_array!__security_cookie_complement = 0x44bf19b1
00407148 char_array!envp = 0x00000000
00405b08 char_array!uninit_postmsg = char [43] "' is being used without being initialized."
00407168 char_array!_RTC_ErrorReportFunc = 0x00000000
00407150 char_array!managedapp = 0n0
0040716c char_array!_RTC_ErrorReportFuncW = 0x00000000
00407174 char_array!_commode = 0n0
004068d0 char_array!__rtc_taa = <function> *[1]
00407178 char_array!_fmode = 0n0
004065c4 char_array!__rtc_iaa = <function> *[1]
00405000 char_array!__xc_a = <function> *[]
00405000 char_array!__xc_a = <function> *[1]
0040827c char_array!_imp____initenv = …Run Code Online (Sandbox Code Playgroud) 或者是否有这种工作的工具?
我还想获得每条指令的相应机器代码.
;disas for number++
mov eax, [number]
add eax,1
mov [number],eax
;disas for number--
mov ecx, [number]
sub ecx,1
mov [number],ecx
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为什么number++使用EAX同时number--使用ECX?
调度寄存器的惯例是什么?
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