blocks|key|903731|text|如果您使用的是Linux，您可以使用本教程介绍如何在不使用IDE的情况下为Arduino编译。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|903732|一旦这样做，您就可以通过使用-s标志运行gcc来获得程序集列表。|903733|entityMap|0|LINK|mutability|MUTABLE|url|http://www.johanneshoff.com/arduino-command-line.html^0|I|S|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]]]]

If you are using Linux, you can follow <a href="http://www.johanneshoff.com/arduino-command-line.html" rel="noreferrer">this tutorial on how to compile for the Arduino without the IDE</a>.

Once you do that, you can get an assembly listing by running gcc with the -s flag.

blocks|key|2268353|text|以下(哈基)步骤将在Windows上提供Arduino草图和相关库的汇编语言列表：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2268354|将Arduino+Windows命令行批处理文件下载(并重命名)到包含草图(+.pde文件)的目录中|ordered-list-item|offset|length|style|CODE|2268355|设置上述链接页中指定的所需环境变量。|2268356|将-S添加到abuild.bat中的abuild_gcc_opts变量(第158行)|2268357|运行abuild+-r+-c+<pde_filename>|2268358|期望得到以下警告和错误，可以忽略这些警告和错误：
...+warning:+#warning+"This+file+has+been+moved+to+<util/delay.h>."
.\obj\<pde_filename>.cpp.o:+file+format+not+recognized:+treating+as+linker+script
.\obj\<pde_filename>.cpp.o:1:+syntax+error|2268359|汇编语言清单可以在创建的.o目录中的obj文件中找到。例如，草图本身的清单在obj\<pde_filename>.cpp.o中|2268360|entityMap|0|LINK|mutability|MUTABLE|url|http://www.arduino.cc/playground/Code/WindowsCommandLine^0|0|13|4|1|N|0|0|0|1|2|6|A|I|F|0|2|R|0|P|1V|2L|29|4V|16|0|C|2|I|3|12|O|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@$E|12|F|13|G|H]]|9|@$E|14|F|15|1|16]]|A|$]]|$1|I|3|J|5|D|7|17|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|18|8|@$E|19|F|1A|G|H]|$E|1B|F|1C|G|H]|$E|1D|F|1E|G|H]]|9|@]|A|$]]|$1|M|3|N|5|D|7|1F|8|@$E|1G|F|1H|G|H]]|9|@]|A|$]]|$1|O|3|P|5|D|7|1I|8|@$E|1J|F|1K|G|H]|$E|1L|F|1M|G|H]|$E|1N|F|1O|G|H]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1P|8|@$E|1Q|F|1R|G|H]|$E|1S|F|1T|G|H]|$E|1U|F|1V|G|H]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|1W|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

The following (hacky) steps will provide assembly language listings of Arduino sketches and associated libraries on Windows:

<ol>
<li>Download (and rename) the <a href="http://www.arduino.cc/playground/Code/WindowsCommandLine" rel="nofollow noreferrer">Arduino Windows command line batch files</a> into the directory containing your sketch (the <code>.pde</code> file)</li>
<li>Set up the required environment variables as specified in the above linked page</li>
<li>Add <code>-S</code> to the <code>abuild_gcc_opts</code> variable in <code>abuild.bat</code> (line 158)</li>
<li>Run <code>abuild -r -c &lt;pde_filename&gt;</code></li>
<li>Expect to get the following warnings and errors, which you can ignore:

<code>... warning: #warning "This file has been moved to &lt;util/delay.h&gt;."</code>

<code>.\obj\&lt;pde_filename&gt;.cpp.o: file format not recognized: treating as linker script</code>

<code>.\obj\&lt;pde_filename&gt;.cpp.o:1: syntax error</code></li>
</ol>

The assembly language listings can be found in the <code>.o</code> files in the created <code>obj</code> directory. For example the listing for the sketch itself is in <code>obj\&lt;pde_filename&gt;.cpp.o</code>

blocks|key|743751|text|-S+(非s)标志将c代码显示为well.Also所知的混合列表：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|743752|linux：(..arduino/priences.txt:+delete_target_folder=false)|743753|$+cd+/tmp/buildxxxx.tmp
$+avr-objdump+-dS+Blink.cpp.elf

int+main(void)
{
++++init();
+2f4:+++8a+df+++++++++++rcall+++.-236+++++++;+0x20a+<init>
...|code-block|syntax|javascript|743754|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

The -S (not s) flag show the c code as well.Also know as mixed listing:

linux: (.arduino/preferences.txt: delete_target_folder=false)

<pre><code>$ cd /tmp/buildxxxx.tmp
$ avr-objdump -dS Blink.cpp.elf

int main(void)
{
 init();
 2f4: 8a df rcall .-236 ; 0x20a &lt;init&gt;
...
</code></pre>

blocks|key|2268455|text|Arduino编译是用链接时间优化(Link+Time+optimization+)设置的，在C编译期间创建的程序集文件不包含任何组装代码--只是LTO阶段稍后用于生成实际组装代码的中间表示形式。我们想要后者。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2268456|在整个编译过程中最后一次调用汇编程序时，非常巧的是，从LTO阶段获取输出，并将其转换为一个完整的应用程序对象文件。|2268457|要获取此程序集文件，请执行以下操作：|2268458|打开%25LOCALAPPDATA%25\Arduino15\packages\arduino\hardware\avr\1.8.3\platform.local.txt+(如果不存在就创建它)。添加以下行
编译程序.c.elf.EXTERIGLES=-save-temps=obj-fverbose+asm
如果已经有这样的行，只需添加上面的选项(在=的右边)。
注意:如果找不到文件夹，请查找以下文件：boards.txt、platform.txt、programmers.txt。如果您在多个位置找到这些文件，您想要的文件应该在您的主目录中(即不在Program+Files、/Applications或/usr中)，并且应该至少部分地与您使用的Arduino版本相关(如果您安装了多个版本)。|ordered-list-item|offset|length|style|CODE|BOLD|2268459|再画一遍素描。|2268460|查找名为%25TEMP%25\cc*.ltrans.s的文件。每个构建将创建一个新的这样的文件。如果您按时间戳对它们进行排序，则最新的是最新的版本。|2268461|注意：环境变量(由%25符号括起来)在%25对话框中是有效的。您可以直接将这样的路径粘贴到例如打开或保存为.对话框，它就能工作了。带有全局(*)的路径将充当过滤器(IIRC)。|2268462|要知道生成了确切的cc*.s文件，请将详细选项添加到最终的二进制生成器pass：|2268463|compiler.c.elf.extra_flags=-save-temps=obj+-fverbose-asm+-v|code-block|syntax|javascript|2268464|重新构建，并将Arduino中的编译状态窗口的所有输出复制到例如Notepad%2B%2B，并搜索ar.exe。包含ar.exe的唯一行以此cc文件的名称结尾：|2268465|+c:/users/[...omitted...]/avr/bin/as.exe+-mmcu=avr6+-mno-skip-bug+
++++-o+C:\Users\[...]\AppData\Local\Temp\cc3XhU2F.ltrans0.ltrans.o
++++C:\Users\[...]\AppData\Local\Temp\cc3XhU2F.ltrans0.ltrans.s|2268466|文件看上去怎么样？这是一个简短的摘录，只是为了显示C源和程序集混合在一起--这正好代表了嵌入在.hex文件中并发送到目标中的二进制文件。|2268467|.LBE33:
.LBE32:
.LBB34:
.LBB35:
+;++C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:29:+++pinMode(ledPin,+OUTPUT);
++++.file+4+"C:\\Users\\[...]\\Documents\\Arduino\\sketch_jul01a\\sketch_jul01a.ino"
++++.loc+4+29+0
++++ldi+r22,lo8(1)+++;+,
++++ldi+r24,lo8(13)++;+,
++++call+pinMode+++++;+
.LVL55:
+;++C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:30:+++pinMode(relayPin,+OUTPUT);
++++.loc+4+30+0
++++ldi+r22,lo8(1)+++;+,
++++ldi+r24,lo8(12)++;+,
++++call+pinMode+++++;+
.LVL56:
+;++C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:31:+++pinMode(ldrPin,+INPUT);
++++.loc+4+31+0
++++ldi+r22,0++++;+
++++ldi+r24,lo8(54)++;+,
++++call+pinMode+++++;+
.LVL57:
.LBE35:
.LBE34:
.LBB36:
.LBB37:|2268468|这种方法也适用于Linux和MacOS，只不过路径略有不同，路径扩展使用了不同的语法。值得关注的两个文件仍然是platform.local.txt+--您必须创建一个文件，因为它最初不存在，并且是${TEMP}/cc*.ltrans.s文件。|2268469|entityMap^0|0|0|0|2|27|4S|1|5J|A|5U|C|67|F|7L|D|7Z|D|8D|4|4Z|4N|0|0|7|0|0|1Y|4|J|0|0|2C|9|1|H|1|1U|1|0|0|14|9|5|0|0|0|24|19|6|1I|6|1U|2|0|0|0|1W|1B|4|0|0|0|3D|1J|I|2Q|K|0^^$0|@$1|2|3|4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1D|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|1E|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|1F|8|@$I|1G|J|1H|K|L]|$I|1I|J|1J|K|L]|$I|1K|J|1L|K|L]|$I|1M|J|1N|K|L]|$I|1O|J|1P|K|L]|$I|1Q|J|1R|K|L]|$I|1S|J|1T|K|L]|$I|1U|J|1V|K|L]|$I|1W|J|1X|K|M]]|9|@]|A|$]]|$1|N|3|O|5|H|7|1Y|8|@$I|1Z|J|20|K|M]]|9|@]|A|$]]|$1|P|3|Q|5|H|7|21|8|@$I|22|J|23|K|M]|$I|24|J|25|K|L]]|9|@]|A|$]]|$1|R|3|S|5|6|7|26|8|@$I|27|J|28|K|M]|$I|29|J|2A|K|L]|$I|2B|J|2C|K|L]|$I|2D|J|2E|K|L]]|9|@]|A|$]]|$1|T|3|U|5|6|7|2F|8|@$I|2G|J|2H|K|M]|$I|2I|J|2J|K|L]]|9|@]|A|$]]|$1|V|3|W|5|X|7|2K|8|@]|9|@]|A|$Y|Z]]|$1|10|3|11|5|6|7|2L|8|@$I|2M|J|2N|K|M]|$I|2O|J|2P|K|L]|$I|2Q|J|2R|K|L]|$I|2S|J|2T|K|L]]|9|@]|A|$]]|$1|12|3|13|5|X|7|2U|8|@]|9|@]|A|$Y|Z]]|$1|14|3|15|5|6|7|2V|8|@$I|2W|J|2X|K|M]|$I|2Y|J|2Z|K|L]]|9|@]|A|$]]|$1|16|3|17|5|X|7|30|8|@]|9|@]|A|$Y|Z]]|$1|18|3|19|5|6|7|31|8|@$I|32|J|33|K|M]|$I|34|J|35|K|L]|$I|36|J|37|K|L]]|9|@]|A|$]]|$1|1A|3|-4|5|6|7|38|8|@]|9|@]|A|$]]]|1B|$]]

Arduino compilation is set up with link-time optimization (LTO), and the assembly files created during C compilation don't contain any assembly code - just the intermediate representation used later in the LTO stage to generate actual assembly code. We want the latter.
It so happens, rather nicely, that the very last time assembler is invoked in the entire compilation process, is to take the output from the LTO stage, and turn it into a whole-application object file.
To get at this assembly file, do the following:
<ol>
<li>Open <code>%LOCALAPPDATA%\Arduino15\packages\arduino\hardware\avr\1.8.3\platform.local.txt</code> (create it if it doesn't exist). Add the following line
<pre><code>compiler.c.elf.extra_flags=-save-temps=obj -fverbose-asm
</code></pre>
If there already is such a line there, just add the above options (to the right of <code>=</code>).
Note: If you can't find the folder, look for the following files: <code>boards.txt</code>, <code>platform.txt</code>, <code>programmers.txt</code>. If you find these files in multiple locations, the one you want should be inside your home directory (i.e. not in <code>Program Files</code> or <code>/Applications</code> or <code>/usr</code>), and should be correlated at least partially to the version of Arduino you're using (should you have multiple versions installed).
</li>
<li>Build the sketch again.
</li>
<li>Look for a file named <code>%TEMP%\cc*.ltrans.s</code>. Each build will create a new such file. If you sort them by timestamp, the newest one is for the most recent build.
</li>
</ol>
Note: The environment variables, enclosed by <code>%</code> signs, are valid in the Windows dialog boxes. You can directly paste such a path into e.g. an Open or Save As... dialog box, and it'll work. Paths with globs (<code>*</code>) will act as filters (IIRC).
To know which exact <code>cc*.s</code> file was generated, add the verbose option to the final binary generator pass:
<pre><code>compiler.c.elf.extra_flags=-save-temps=obj -fverbose-asm -v
</code></pre>
Rebuild, and copy-paste all the output from the compilation status window in Arduino to e.g. Notepad++, and search for <code>ar.exe</code>. The sole line that contains <code>ar.exe</code> ends with the name of this <code>cc</code> file:
<pre><code> c:/users/[...omitted...]/avr/bin/as.exe -mmcu=avr6 -mno-skip-bug 
 -o C:\Users\[...]\AppData\Local\Temp\cc3XhU2F.ltrans0.ltrans.o
 C:\Users\[...]\AppData\Local\Temp\cc3XhU2F.ltrans0.ltrans.s
</code></pre>
How does the file look? This is a short extract, just to show that both the C source and the assembly are intermingled - and this represents exactly the binary embedded in the <code>.hex</code> file and sent to the target.
<pre><code>.LBE33:
.LBE32:
.LBB34:
.LBB35:
 ; C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:29: pinMode(ledPin, OUTPUT);
 .file 4 &quot;C:\\Users\\[...]\\Documents\\Arduino\\sketch_jul01a\\sketch_jul01a.ino&quot;
 .loc 4 29 0
 ldi r22,lo8(1) ; ,
 ldi r24,lo8(13) ; ,
 call pinMode ; 
.LVL55:
 ; C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:30: pinMode(relayPin, OUTPUT);
 .loc 4 30 0
 ldi r22,lo8(1) ; ,
 ldi r24,lo8(12) ; ,
 call pinMode ; 
.LVL56:
 ; C:\Users\[...]\Documents\Arduino\sketch_jul01a\sketch_jul01a.ino:31: pinMode(ldrPin, INPUT);
 .loc 4 31 0
 ldi r22,0 ; 
 ldi r24,lo8(54) ; ,
 call pinMode ; 
.LVL57:
.LBE35:
.LBE34:
.LBB36:
.LBB37:
</code></pre>
This approach also works on Linux and MacOS, except that the paths are slightly different, and path expansion uses different syntax. The two files of concern still are <code>platform.local.txt</code> - a file you must create, since it doesn't exist at first, and the <code>${TEMP}/cc*.ltrans.s</code> files.

I would like to be able to see an assembly language listing of my Arduino sketches. How can I achieve this?

Update: I am running the Arduino Software on a Windows machine.

How can I get an assembly language listing of my Arduino Sketches on Windows?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我希望能够看到我的Arduino草图的汇编语言列表。我怎样才能做到这一点？更新：我正在运行计算机上的Arduino软件。

问如何在Windows上获得我的Arduino草图的汇编语言列表？
EN

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