blocks|key|1347750|text|在GCC/G%2B%2B中，用-S编译。它将输出一个包含汇编代码的something.s文件。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1347751|编辑:如果您希望输出采用英特尔语法(这是IMO语法，可读性更好，大多数汇编教程都使用它)，请使用-masm=intel进行编译。|1347752|entityMap^0|B|2|T|B|0|1C|B|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|R|8|@]|D|@]|E|$]]]|I|$]]

In GCC/G++, compile with <code>-S</code>. That will output a <code>something.s</code> file with the assembly code.

Edit: If you want the output to be in Intel syntax (which is IMO, much more readable, and most assembly tutorials use it), compile with <code>-masm=intel</code>.

blocks|key|1348211|text|对于gcc/g%2B%2B|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1348212|gcc+-save-temps+-fverbose-asm+prog.c|code-block|syntax|javascript|1348213|这将生成prog.s，并对每个asm行中使用的变量进行一些注释：|1348214|++++movl++++$42,+-24(%25ebp)++#,+readme
++++movl++++-16(%25ebp),+%25eax+#+pid,+pid
++++movl++++%25eax,+4(%25esp)+++#+pid,
++++movl++++$.LC0,+(%25esp)+++#,
++++call++++printf++#|1348215|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

For gcc/g++

<pre><code>gcc -save-temps -fverbose-asm prog.c
</code></pre>

This will generate prog.s with some comments on variables used in every asm line:

<pre><code> movl $42, -24(%ebp) #, readme
 movl -16(%ebp), %eax # pid, pid
 movl %eax, 4(%esp) # pid,
 movl $.LC0, (%esp) #,
 call printf #
</code></pre>

blocks|key|1348369|text|这个网站目前正在为我工作(2017)：https://godbolt.org/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1348370|entityMap|0|LINK|mutability|MUTABLE|url|https://godbolt.org/^0|J|K|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

This site is currently working for me (2017): <a href="https://godbolt.org/" rel="noreferrer">https://godbolt.org/</a>

blocks|key|1563122|text|无论使用哪种调试器，都应该有一个程序集视图(Visual+Studio、Borland+IDE、gdb等)。如果您不使用调试器，并且只想查看程序中的程序集，则可以使用反汇编程序，或者运行该程序并使用调试器附加到该程序，然后从那里进行转储。有关选项的信息，请参见disassemblers参考。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1563123|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/Disassembler^0|3M|D|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Whatever debugger you're using should have an assembly view (Visual Studio, Borland IDE, gdb, etc.). If you are not using a debugger and you merely want to see what assembly is in a program, you can use a disassembler or alternatively, run the program and attach to it with a debugger and do the dump from there. See references to <a href="http://en.wikipedia.org/wiki/Disassembler" rel="nofollow noreferrer">disassemblers</a> for information on options.

blocks|key|1348081|text|很多人已经告诉过如何用给定的编译器发出汇编代码。另一种解决方案是编译一个目标文件，并使用objdump、readelf+(在Unix上)或DUMPBIN(link+(在Windows上)等工具将其转储。您也可以转储可执行文件，但读取输出会更加困难。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1348082|这样做的优点是可以与任何编译器以相同的方式工作。|1348083|entityMap|0|LINK|mutability|MUTABLE|url|http://sourceware.org/binutils/docs-2.19/binutils/objdump.html#objdump|1|http://sourceware.org/binutils/docs-2.19/binutils/readelf.html#readelf|2|http://msdn.microsoft.com/en-us/library/756as972(VS.80%2529.aspx)^0|18|7|0|1G|7|1|25|4|2|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]|$A|V|B|W|1|X]|$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|Q]]]]

Lots of people already told how to emit assembly code with a given compiler. Another solution is to compile an object file and dump it with a tool such <a href="http://sourceware.org/binutils/docs-2.19/binutils/objdump.html#objdump" rel="noreferrer">objdump</a>, <a href="http://sourceware.org/binutils/docs-2.19/binutils/readelf.html#readelf" rel="noreferrer">readelf</a> (on Unix) or DUMPBIN(<a href="http://msdn.microsoft.com/en-us/library/756as972(VS.80).aspx" rel="noreferrer">link</a>) (on Windows).
You can also dump an executable, but it will be more difficult to read the output.

This has the advantage of working the same way with any compiler.

blocks|key|1347675|text|正如其他人所提到的，您的平台的调试器是一个很好的起点。要了解所有调试器和反汇编程序的使用技巧，请查看IDA+Pro.|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1347676|在Unix/Linux平台(包括Cygwin)上，您可以使用objdump+--disassemble+<executable>。|style|CODE|1347677|entityMap|0|LINK|mutability|MUTABLE|url|http://www.hex-rays.com/idapro/^0|1E|8|0|0|U|Y|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@$A|U|B|V|F|G]]|9|@]|C|$]]|$1|H|3|-4|5|6|7|W|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

As someone else mentioned, your platform's debugger is a good starting point. For the jackhammer of all debuggers and disassemblers, take a look at <a href="http://www.hex-rays.com/idapro/" rel="noreferrer">IDA Pro.</a>

On Unix/Linux platforms (including Cygwin) you can use <code>objdump --disassemble &lt;executable&gt;</code>.

blocks|key|1563376|text|大多数编译器都有输出汇编清单的选项。例如，在VisualStudio中，您可以使用以下内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1563377|cl.exe+/FAfile.asm+file.c|code-block|syntax|javascript|1563378|不过，为了获得最佳可读性，大多数调试器都会提供将反汇编与原始源代码交错的视图，以便您可以逐行将代码与编译器的输出进行比较。|1563379|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Most compilers have an option to output an assembly listing. E.g. with VisualStudio you can use something like:

<pre><code>cl.exe /FAfile.asm file.c
</code></pre>

For best readability though, most debuggers will offer a view that interleaves the disassembly with the original source, so you can compare your code with the compiler's output line by line.

blocks|key|1563608|text|32位PE文件的PE+Explorer+Disassembler。另一些人则使用IDA。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1563609|entityMap|0|LINK|mutability|MUTABLE|url|http://www.heaventools.com/PE_Explorer_disassembler.htm^0|8|O|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://www.heaventools.com/PE_Explorer_disassembler.htm" rel="nofollow noreferrer">PE Explorer Disassembler</a> for 32-bit PE files. IDA for others.

blocks|key|1348299|text|你也可以尝试这个网站：http://assembly.ynh.io/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1348300|在那里，您可以粘贴C或C%2B%2B代码，然后按下蓝色按钮以查看程序集的等效版本。|1348301|entityMap|0|LINK|mutability|MUTABLE|url|http://assembly.ynh.io/^0|B|N|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

You can also try this site: <a href="http://assembly.ynh.io/" rel="nofollow">http://assembly.ynh.io/</a>

There, you can paste your C or C++ code and press a blue button to see the assembly equivalent version.

blocks|key|1563456|text|在Visual+Studio中，您可以为C%2B%2B项目生成汇编程序清单。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1563457|转到项目属性，然后转到C%2B%2B/输出文件，并将汇编程序输出设置和ASM列表位置设置为一个文件名。|1563458|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

In Visual Studio you can generate the assembler listing for a C++ project.

Go to project properties, then to C++/Output Files and set Assembler Output setting and ASM list location to a file name.

blocks|key|1563699|text|在Intel+MacOSX10.8+(Mountain+Lion)上，-masm=intel指令不起作用。但是，如果你安装了Xcode，它应该已经安装了名为‘otool’的工具：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1563700|otool+code.o+-tV|code-block|syntax|javascript|1563701|您必须将编译后的目标代码作为参数提供。|1563702|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/Xcode^0|Z|B|1Q|5|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|H|7|10|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|11|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

On an Intel Mac OS X 10.8 (Mountain Lion) the <code>-masm=intel</code> directive didn't work. However, if you have <a href="http://en.wikipedia.org/wiki/Xcode" rel="nofollow">Xcode</a> installed, it should have installed the tool named 'otool':

<pre><code>otool code.o -tV
</code></pre>

You have to provide the compiled object code as a parameter.

How can I see the assembly code for a C++ program?

What are the popular tools to do this?

How can I see the assembly code for a C++ program?

Visual Studio

编译器

调试器

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如何查看C++程序的汇编代码？有什么流行的工具可以做到这一点呢？

问如何查看C++程序的汇编代码？
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