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Add comments for previous patch as requested.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50463 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2008-04-30 00:43:29 +00:00
parent 203b2d6eed
commit 21d972ad04
1 changed files with 6 additions and 0 deletions
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6
lib/CodeGen/DwarfWriter.cpp
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@ -2876,6 +2876,9 @@ private:
RI->getInitialFrameState(Moves); RI->getInitialFrameState(Moves);
EmitFrameMoves(NULL, 0, Moves, true); EmitFrameMoves(NULL, 0, Moves, true);
// On Darwin the linker honors the alignment of eh_frame, which means it
// must be 8-byte on 64-bit targets to match what gcc does. Otherwise
// you get holes which confuse readers of eh_frame.
Asm->EmitAlignment(TD->getPointerSize() == sizeof(int32_t) ? 2 : 3, Asm->EmitAlignment(TD->getPointerSize() == sizeof(int32_t) ? 2 : 3,
0, 0, false); 0, 0, false);
EmitLabel("eh_frame_common_end", Index); EmitLabel("eh_frame_common_end", Index);
@ -2966,6 +2969,9 @@ private:
// frame. // frame.
EmitFrameMoves("eh_func_begin", EHFrameInfo.Number, EHFrameInfo.Moves, true); EmitFrameMoves("eh_func_begin", EHFrameInfo.Number, EHFrameInfo.Moves, true);
// On Darwin the linker honors the alignment of eh_frame, which means it
// must be 8-byte on 64-bit targets to match what gcc does. Otherwise
// you get holes which confuse readers of eh_frame.
Asm->EmitAlignment(TD->getPointerSize() == sizeof(int32_t) ? 2 : 3, Asm->EmitAlignment(TD->getPointerSize() == sizeof(int32_t) ? 2 : 3,
0, 0, false); 0, 0, false);
EmitLabel("eh_frame_end", EHFrameInfo.Number); EmitLabel("eh_frame_end", EHFrameInfo.Number);