diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86FrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86FrameLowering.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp index 639f5c20559..e5f67526143 100644 --- a/llvm/lib/Target/X86/X86FrameLowering.cpp +++ b/llvm/lib/Target/X86/X86FrameLowering.cpp @@ -1357,8 +1357,9 @@ X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const { if (MF.getFunction()->isVarArg()) report_fatal_error("Segmented stacks do not support vararg functions."); - if (!ST->isTargetLinux() && !ST->isTargetDarwin() && !ST->isTargetWin32()) - report_fatal_error("Segmented stacks supported only on linux, darwin and win32."); + if (!ST->isTargetLinux() && !ST->isTargetDarwin() && + !ST->isTargetWin32() && !ST->isTargetFreeBSD()) + report_fatal_error("Segmented stacks not supported on this platform."); MachineBasicBlock *allocMBB = MF.CreateMachineBasicBlock(); MachineBasicBlock *checkMBB = MF.CreateMachineBasicBlock(); @@ -1401,6 +1402,9 @@ X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const { } else if (ST->isTargetDarwin()) { TlsReg = X86::GS; TlsOffset = 0x60 + 90*8; // See pthread_machdep.h. Steal TLS slot 90. + } else if (ST->isTargetFreeBSD()) { + TlsReg = X86::FS; + TlsOffset = 0x18; } else { report_fatal_error("Segmented stacks not supported on this platform."); } @@ -1423,6 +1427,8 @@ X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const { } else if (ST->isTargetWin32()) { TlsReg = X86::FS; TlsOffset = 0x14; // pvArbitrary, reserved for application use + } else if (ST->isTargetFreeBSD()) { + report_fatal_error("Segmented stacks not supported on FreeBSD i386."); } else { report_fatal_error("Segmented stacks not supported on this platform."); } |
