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| author | Evan Cheng <evan.cheng@apple.com> | 2008-01-04 10:46:51 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-01-04 10:46:51 +0000 |
| commit | be8c03fc66b75fa775e1f47d62a1b0d803fced1c (patch) | |
| tree | f7d4aff605c112d72392dd096356c1b12e72ce62 /lib/Target/X86/X86JITInfo.cpp | |
| parent | 2674d71df02f562cf8c3bc011be92d6dcb9cd9aa (diff) | |
X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45575 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86JITInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86JITInfo.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp index af1a8b8947..d5d3cda2dc 100644 --- a/lib/Target/X86/X86JITInfo.cpp +++ b/lib/Target/X86/X86JITInfo.cpp @@ -380,6 +380,18 @@ X86JITInfo::getLazyResolverFunction(JITCompilerFn F) { return X86CompilationCallback; } +void *X86JITInfo::emitGlobalValueLazyPtr(void *GV, MachineCodeEmitter &MCE) { +#ifdef __x86_64__ + MCE.startFunctionStub(8, 8); + MCE.emitWordLE(((unsigned *)&GV)[0]); + MCE.emitWordLE(((unsigned *)&GV)[1]); +#else + MCE.startFunctionStub(4, 4); + MCE.emitWordLE((unsigned)GV); +#endif + return MCE.finishFunctionStub(0); +} + void *X86JITInfo::emitFunctionStub(void *Fn, MachineCodeEmitter &MCE) { // Note, we cast to intptr_t here to silence a -pedantic warning that // complains about casting a function pointer to a normal pointer. |