https://sourceware.org/bugzilla/show_bug.cgi?id=27687
Bug ID: 27687
Summary: gas should allow question marks in labels for x86 asm
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: mark at harmstone dot com
Target Milestone: ---
Created attachment 13344
--> https://sourceware.org/bugzilla/attachment.cgi?id=13344&action=edit
patch
There doesn't seem to be currently any way to get gas to accept question marks
in labels for x86 assembly. This -
"?label":
jmp ?label
- fails with "Error: invalid character '?' before operand 1".
The use case for this is MSVC's C++ name mangling, which uses question marks
extensively - there seems to be no way to call MSVC C++ functions from gas.
Attached is a patch which defines LEX_QM in gas/config/tc-i386.h, which seems
to fix the issue.
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