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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...def
__ZNKSt5ctypeIcE8do_widenEc:
LFB860:
.cfi_startproc
movzbl 4(%esp), %eax
ret $4
.cfi_endproc
LFE860:
LCOLDE0:
LHOTE0:
.section .text.unlikely,"x"
LCOLDB1:
.text
LHOTB1:
.p2align 4,,15
.def ___tcf_0; .scl 3; .type 32; .endef
___tcf_0:
LFB1091:
.c...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...72e9cfc 55 push ebp
772e9cfd 8bec mov ebp,esp
772e9cff 51 push ecx
772e9d00 51 push ecx
772e9d01 8d45f8 lea eax,[ebp-8]
772e9d04 50 push eax
772e9d05 e8d5ffffff call ntdll32!RtlInitializeE...
解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
解决：Run-Time Check Failure #0，The value of ESP was not properly saved调用DLL函数，出现错误Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. ...调用DLL函数，出现错误
Run-Time Check Failure #0 - The value of ESP was not properly saved...
Using GCC to produce readable assembly?
... push ebp
1: 89 e5 mov ebp,esp
3: 83 e4 f0 and esp,0xfffffff0
6: 83 ec 10 sub esp,0x10
puts("test");
9: c7 04 24 00 00 00 00 mov DWORD PTR [esp],0x0
10: e8 fc ff ff ff call 11 ...
What is the function of the push / pop instructions used on registers in x86 assembly?
...s r/m, not just register, so you can push dword [esi]. Or even pop dword [esp] to load and then store the same value back to the same address. (github.com/HJLebbink/asm-dude/wiki/POP). I only mention this because you say "not necessarily a register".
– Peter Cordes
...
How do exceptions work (behind the scenes) in c++
...unction
_ZN11MyExceptionD1Ev:
.LFB7:
pushl %ebp
.LCFI0:
movl %esp, %ebp
.LCFI1:
popl %ebp
ret
.LFE7:
.size _ZN11MyExceptionD1Ev, .-_ZN11MyExceptionD1Ev
_ZN11MyExceptionD1Ev is MyException::~MyException(), so the compiler decided it needed a non-inline copy of the dest...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
... and trying to send big strings, like 128bytes from the app to my hardware(ESP32).
From the app side I have a text box that is sending the string to ESP32, all working except when I try to send strings over 23bytes. Ok, I read some topics here and tried to apply those solutions but no success yet.
F...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...是单个子程序，在进入子程序的时候，通过修改堆栈指针esp来预留出需要的空间，在用ret指令返回主程序之前，同样通过恢复esp丢弃这些空间，这些变量就随之无效了。它的缺点就是因为空间是临时分配的，所以无法定义含有初...
What is exactly the base pointer and stack pointer? To what do they point?
...
esp is as you say it is, the top of the stack.
ebp is usually set to esp at the start of the function. Function parameters and local variables are accessed by adding and subtracting, respectively, a constant offset from ebp....
Is < faster than
... // Do something 1
}
Compiles to:
mov eax, DWORD PTR [esp+24] ; a
cmp eax, DWORD PTR [esp+28] ; b
jge .L2 ; jump if a is >= b
; Do something 1
.L2:
And
if (a <= b) {
// Do something 2
}
Compiles to...