aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
authorRafael Espindola <rafael.espindola@gmail.com>2011-09-07 16:10:57 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2011-09-07 16:10:57 +0000
commitca59221fdcb343ef45eb962bf72497bb1917d673 (patch)
treec95022dad363f0c5b1128168f73e03ed7319f934 /lib
parent81d2e3901eed4bd70f551df8935c9ff224ccef6f (diff)
Detect attempt to use segmented stacks on non ELF systems and error
(not assert) early. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139233 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/X86/X86Subtarget.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 32493ded99..bb04f015aa 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/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)