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Add llvm patch corresponding to r281775.

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This commit is contained in:
Dimitry Andric 2015-04-20 17:37:37 +00:00
parent 98095a5dd2
commit 867073d7fb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=281777
1 changed files with 77 additions and 0 deletions
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contrib/llvm/patches/patch-13-llvm-r229911-uleb128-commas.diff Normal file
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@ -0,0 +1,77 @@
Pull in r229911 from upstream llvm trunk (by Benjamin Kramer):
MC: Allow multiple comma-separated expressions on the .uleb128 directive.
For compatiblity with GNU as. Binutils documents this as
'.uleb128 expressions'. Subtle, isn't it?
Introduced here: http://svnweb.freebsd.org/changeset/base/281775
Index: lib/MC/MCParser/AsmParser.cpp
===================================================================
--- lib/MC/MCParser/AsmParser.cpp
+++ lib/MC/MCParser/AsmParser.cpp
@@ -3636,22 +3636,28 @@ bool AsmParser::parseDirectiveSpace(StringRef IDVa
}
/// parseDirectiveLEB128
-/// ::= (.sleb128 | .uleb128) expression
+/// ::= (.sleb128 | .uleb128) [ expression (, expression)* ]
bool AsmParser::parseDirectiveLEB128(bool Signed) {
checkForValidSection();
const MCExpr *Value;
- if (parseExpression(Value))
- return true;
+ for (;;) {
+ if (parseExpression(Value))
+ return true;
- if (getLexer().isNot(AsmToken::EndOfStatement))
- return TokError("unexpected token in directive");
+ if (Signed)
+ getStreamer().EmitSLEB128Value(Value);
+ else
+ getStreamer().EmitULEB128Value(Value);
- if (Signed)
- getStreamer().EmitSLEB128Value(Value);
- else
- getStreamer().EmitULEB128Value(Value);
+ if (getLexer().is(AsmToken::EndOfStatement))
+ break;
+ if (getLexer().isNot(AsmToken::Comma))
+ return TokError("unexpected token in directive");
+ Lex();
+ }
+
return false;
}
Index: test/MC/ELF/uleb.s
===================================================================
--- test/MC/ELF/uleb.s
+++ test/MC/ELF/uleb.s
@@ -11,16 +11,17 @@ foo:
.uleb128 128
.uleb128 16383
.uleb128 16384
+ .uleb128 23, 42
// ELF_32: Name: .text
// ELF_32: SectionData (
-// ELF_32: 0000: 00017F80 01FF7F80 8001
+// ELF_32: 0000: 00017F80 01FF7F80 8001172A
// ELF_32: )
// ELF_64: Name: .text
// ELF_64: SectionData (
-// ELF_64: 0000: 00017F80 01FF7F80 8001
+// ELF_64: 0000: 00017F80 01FF7F80 8001172A
// ELF_64: )
// MACHO_32: ('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
-// MACHO_32: ('_section_data', '00017f80 01ff7f80 8001')
+// MACHO_32: ('_section_data', '00017f80 01ff7f80 8001172a')
// MACHO_64: ('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
-// MACHO_64: ('_section_data', '00017f80 01ff7f80 8001')
+// MACHO_64: ('_section_data', '00017f80 01ff7f80 8001172a')