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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - .file directive suppresses debuginfo"
href="https://bugs.llvm.org/show_bug.cgi?id=38695">38695</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>.file directive suppresses debuginfo
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>MC
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>brian.cain@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The presence of ".file" mutes debug info generated by the assembler as of
r328208 – logic in AsmParser::enabledGenDwarfForAssembly().
~~~~~~~~~
$ cat file_.S
//.file 1 "file.S"
.file "file_other.S"
.text
f1:
nop
.size f1, .-f1
$ /local/mnt/workspace/install/gcc-8.1/bin/gcc-8.1 -g -o out.o -c file_.S ;
objdump -t out.o
out.o: file format elf64-x86-64
SYMBOL TABLE:
0000000000000000 l df *ABS* 0000000000000000 file_other.S
0000000000000000 l d .text 0000000000000000 .text
0000000000000000 l d .data 0000000000000000 .data
0000000000000000 l d .bss 0000000000000000 .bss
0000000000000000 l .text 0000000000000001 f1
0000000000000000 l d .debug_info 0000000000000000 .debug_info
0000000000000000 l d .debug_abbrev 0000000000000000
.debug_abbrev
0000000000000000 l d .debug_line 0000000000000000 .debug_line
0000000000000000 l d .debug_aranges 0000000000000000
.debug_aranges
$ /local/mnt/workspace/install/clang_nightly_2018_Jul27/bin/clang -g -o out.o
-c file_.S ; objdump -t out.o
out.o: file format elf64-x86-64
SYMBOL TABLE:
0000000000000000 l df *ABS* 0000000000000000 file_other.S
0000000000000000 l .text 0000000000000001 f1</pre>
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