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ARM BL/BLX instruction fixups should use relocations.

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We on the linker to resolve calls to the appropriate BL/BLX instruction
to make interworking function correctly. It uses the symbol in the
relocation to do that, so we need to be careful about being too clever.

To enable this for ARM mode, split the BL/BLX fixup kind off from the
unconditional-branch fixups.

rdar://10927209

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151571 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2012-02-27 21:36:23 +00:00
parent 945c2b3965
commit 7b25ecf6ad
11 changed files with 57 additions and 20 deletions
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6
lib/MC/MCAssembler.cpp
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@@ -299,8 +299,10 @@ bool MCAssembler::evaluateFixup(const MCAsmLayout &Layout,
Value -= Offset;
}
// Let the backend adjust the fixup value if necessary.
Backend.processFixupValue(*this, Layout, Fixup, DF, Target, Value);
// Let the backend adjust the fixup value if necessary, including whether
// we need a relocation.
Backend.processFixupValue(*this, Layout, Fixup, DF, Target, Value,
IsResolved);
return IsResolved;
}