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Change indirect-globals to use a dedicated allocIndirectGV. This lets us

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remove start/finishGVStub and the BufferState helper class from the
MachineCodeEmitter interface.  It has the side-effect of not setting the
indirect global writable and then executable on ARM, but that shouldn't be
necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91464 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2009-12-15 22:42:46 +00:00
parent 6be413dd64
commit 32d7e6ebde
7 changed files with 85 additions and 108 deletions
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18
lib/Target/X86/X86JITInfo.cpp
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@@ -426,16 +426,19 @@ X86JITInfo::X86JITInfo(X86TargetMachine &tm) : TM(tm) {
void *X86JITInfo::emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
JITCodeEmitter &JCE) {
MachineCodeEmitter::BufferState BS;
#if defined (X86_64_JIT)
JCE.startGVStub(BS, GV, 8, 8);
JCE.emitWordLE((unsigned)(intptr_t)ptr);
JCE.emitWordLE((unsigned)(((intptr_t)ptr) >> 32));
const unsigned Alignment = 8;
uint8_t Buffer[8];
uint8_t *Cur = Buffer;
MachineCodeEmitter::emitWordLEInto(Cur, (unsigned)(intptr_t)ptr);
MachineCodeEmitter::emitWordLEInto(Cur, (unsigned)(((intptr_t)ptr) >> 32));
#else
JCE.startGVStub(BS, GV, 4, 4);
JCE.emitWordLE((intptr_t)ptr);
const unsigned Alignment = 4;
uint8_t Buffer[4];
uint8_t *Cur = Buffer;
MachineCodeEmitter::emitWordLEInto(Cur, (intptr_t)ptr);
#endif
return JCE.finishGVStub(BS);
return JCE.allocIndirectGV(GV, Buffer, sizeof(Buffer), Alignment);
}
TargetJITInfo::StubLayout X86JITInfo::getStubLayout() {
@@ -451,7 +454,6 @@ TargetJITInfo::StubLayout X86JITInfo::getStubLayout() {
void *X86JITInfo::emitFunctionStub(const Function* F, void *Target,
JITCodeEmitter &JCE) {
MachineCodeEmitter::BufferState BS;
// Note, we cast to intptr_t here to silence a -pedantic warning that
// complains about casting a function pointer to a normal pointer.
#if defined (X86_32_JIT) && !defined (_MSC_VER)