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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-09-07 16:10:57 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-09-07 16:10:57 +0000 |
| commit | 6559656e73cee385c42379917869a669061e19da (patch) | |
| tree | b0c1c45c70054adf8d19c9a2f79c491e3fb3da71 /llvm/lib/Target/X86/X86Subtarget.cpp | |
| parent | 39c6e1d66d7b91000665ebf377bd7f857d90c25c (diff) | |
| download | bcm5719-llvm-6559656e73cee385c42379917869a669061e19da.tar.gz bcm5719-llvm-6559656e73cee385c42379917869a669061e19da.zip | |
Detect attempt to use segmented stacks on non ELF systems and error
(not assert) early.
llvm-svn: 139233
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index 32493ded99d..bb04f015aac 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -16,9 +16,11 @@ #include "X86InstrInfo.h" #include "llvm/GlobalValue.h" #include "llvm/Support/Debug.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Support/Host.h" #include "llvm/Target/TargetMachine.h" +#include "llvm/Target/TargetOptions.h" #include "llvm/ADT/SmallVector.h" #define GET_SUBTARGETINFO_TARGET_DESC @@ -321,6 +323,9 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU, assert((!In64BitMode || HasX86_64) && "64-bit code requested on a subtarget that doesn't support it!"); + if(EnableSegmentedStacks && !isTargetELF()) + report_fatal_error("Segmented stacks are only implemented on ELF."); + // Stack alignment is 16 bytes on Darwin, FreeBSD, Linux and Solaris (both // 32 and 64 bit) and for all 64-bit targets. if (StackAlignOverride) |
