[all-commits] [llvm/llvm-project] 87db09: MC: Support quoted symbol names
Fangrui Song via All-commits
all-commits at lists.llvm.org
Wed May 7 23:08:42 PDT 2025
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 87db0943e4d07640e4df3206045826c0688ed3b9
https://github.com/llvm/llvm-project/commit/87db0943e4d07640e4df3206045826c0688ed3b9
Author: Fangrui Song <i at maskray.me>
Date: 2025-05-08 (Thu, 08 May 2025)
Changed paths:
M llvm/lib/MC/MCContext.cpp
M llvm/lib/MC/MCSymbol.cpp
M llvm/test/MC/AsmParser/quoted.s
M llvm/test/MC/COFF/safeseh.s
M llvm/test/MC/ELF/symbol-names.s
Log Message:
-----------
MC: Support quoted symbol names
gas has supported " quoted symbols since 2015:
https://sourceware.org/pipermail/binutils/2015-August/090003.html
We don't handle \\ or \" , leading to clang -c --save-temps vs clang -c
difference for the following C code:
```
int x asm("a\"\\b");
```
Fix #138390
MC/COFF/safeseh.h looks incorrect. \01 in `.safeseh "\01foo"` is not a
correct escape sequence. Change it to \\
Pull Request: https://github.com/llvm/llvm-project/pull/138817
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