汇编语言压入3个输入至栈时出错,求Visual Studio 2015环境下的帮助
Hey there! Let's break down how to fix those persistent errors you're seeing with your 3-input calculation—since you suspect push/pop instructions are the root cause, we'll focus on the most common pitfalls in that area, tailored to Visual Studio 2015.
Key Areas to Investigate
Stack Balance Integrity
Everypushmust have a matchingpop(or an equivalent stack adjustment likeadd esp, X) to keep the stack pointer (ESP/RSP) aligned. For 3 inputs, double-check:- Did you push all 3 values in the correct order (matching your function's calling convention)?
- After processing, are you popping the same number of values you pushed? A missing or extra
popwill throw off the stack, leading to access violations or garbage results. - If you're using a function call, make sure you're cleaning up the stack correctly (VS2015 defaults to
__cdeclfor C/C++ functions, which means the caller cleans up the stack withadd esp, ninstead of relying on the callee'sret n).
Non-Volatile Register Preservation
VS2015's x86 calling convention requires preserving non-volatile registers (EBX, ESI, EDI, EBP) across function calls. If your assembly code modifies these registers, you must push them at the start of your function and pop them before returning. For example:my_calculation proc push ebx ; Save non-volatile register push esi ; Your calculation logic using ebx/esi pop esi ; Restore in reverse order pop ebx ret my_calculation endpForgetting this will corrupt the caller's stack frame and cause unpredictable errors.
Debugging with VS2015 Tools
Use Visual Studio's built-in debuggers to pinpoint the issue:- Enable the Registers and Stack windows (Debug > Windows > Registers/Stack).
- Set a breakpoint right before your push/pop sequence, then step through each instruction. Watch how ESP changes—if it doesn't return to its original value after your pop operations, you've got a stack imbalance.
- Turn on Run-Time Stack Checking (Project Properties > C/C++ > Code Generation > Basic Runtime Checks > Both). This will trigger an immediate error if the stack is corrupted, making it easier to find the exact line causing the problem.
Next Steps to Get More Help
If you can share:
- A snippet of your assembly code (wrap it in backticks
`for readability) - The exact error message from your screenshot (e.g., "Access violation writing to address 0x00000004" or "Stack overflow")
We can narrow down the issue even faster.
内容的提问来源于stack exchange,提问作者Tuk Tuk

