diff options
| author | Yaron Keren <yaron.keren@gmail.com> | 2013-10-23 19:40:07 +0000 |
|---|---|---|
| committer | Yaron Keren <yaron.keren@gmail.com> | 2013-10-23 19:40:07 +0000 |
| commit | 1e0437804c084dabda8894508f5867fdfb4df915 (patch) | |
| tree | b1b01fd2d11022ec7dcd963db6f6641110c2f3da /lib/Target/X86/X86FrameLowering.cpp | |
| parent | 7377cff9e7641c75678fd5c80472942fd7ef869a (diff) | |
| download | llvm-1e0437804c084dabda8894508f5867fdfb4df915.tar.gz llvm-1e0437804c084dabda8894508f5867fdfb4df915.tar.bz2 llvm-1e0437804c084dabda8894508f5867fdfb4df915.tar.xz | |
Calling _chkstk is required on ELF as well as COFF on Windows.
Without _chkstk functions requiring large stack crash in
initialization code. Previous code tested for COFF format but
not Mach-O and this patch modifies the code to test for Windows.
Credits to Andrew MacPherson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193263 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86FrameLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86FrameLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp index adcd4f7ded..cf4e42785b 100644 --- a/lib/Target/X86/X86FrameLowering.cpp +++ b/lib/Target/X86/X86FrameLowering.cpp @@ -606,7 +606,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const { // responsible for adjusting the stack pointer. Touching the stack at 4K // increments is necessary to ensure that the guard pages used by the OS // virtual memory manager are allocated in correct sequence. - if (NumBytes >= 4096 && STI.isTargetCOFF() && !STI.isTargetEnvMacho()) { + if (NumBytes >= 4096 && STI.isOSWindows()) { const char *StackProbeSymbol; bool isSPUpdateNeeded = false; |