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| author | Jim Grosbach <grosbach@apple.com> | 2011-12-07 19:46:59 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-12-07 19:46:59 +0000 |
| commit | 577b09155f9a6fa38e5a7918da9701e120b3642f (patch) | |
| tree | a2eefae85f5ef3c67c6ba1bf2218a61d3aea1ccc /lib/MC/MachObjectWriter.cpp | |
| parent | feb468ab24a9e85b4d27faa6badfb57a2414610c (diff) | |
| download | llvm-577b09155f9a6fa38e5a7918da9701e120b3642f.tar.gz llvm-577b09155f9a6fa38e5a7918da9701e120b3642f.tar.bz2 llvm-577b09155f9a6fa38e5a7918da9701e120b3642f.tar.xz | |
Darwin assembler improved relocs when w/o subsections_via_symbols.
When the file isn't being built with subsections-via-symbols, symbol
differences involving non-local symbols can be resolved more aggressively.
Needed for gas compatibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146054 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MachObjectWriter.cpp')
| -rw-r--r-- | lib/MC/MachObjectWriter.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp index 6e720115dd..e016f09c95 100644 --- a/lib/MC/MachObjectWriter.cpp +++ b/lib/MC/MachObjectWriter.cpp @@ -584,9 +584,14 @@ IsSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm, // requires the compiler to use .set to absolutize the differences between // symbols which the compiler knows to be assembly time constants, so we // don't need to worry about considering symbol differences fully resolved. + // + // If the file isn't using sub-sections-via-symbols, we can make the + // same assumptions about any symbol that we normally make about + // assembler locals. if (!Asm.getBackend().hasReliableSymbolDifference()) { - if (!SA.isTemporary() || !SA.isInSection() || &SecA != &SecB) + if ((!SA.isTemporary() && Asm.getSubsectionsViaSymbols()) || + !SA.isInSection() || &SecA != &SecB) return false; return true; } |