Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function
the stub will resolve.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49814 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCJITInfo.cpp b/lib/Target/PowerPC/PPCJITInfo.cpp
index 6dea3d3..461cfec 100644
--- a/lib/Target/PowerPC/PPCJITInfo.cpp
+++ b/lib/Target/PowerPC/PPCJITInfo.cpp
@@ -15,6 +15,7 @@
#include "PPCJITInfo.h"
#include "PPCRelocations.h"
#include "PPCTargetMachine.h"
+#include "llvm/Function.h"
#include "llvm/CodeGen/MachineCodeEmitter.h"
#include "llvm/Config/alloca.h"
#include "llvm/Support/Debug.h"
@@ -338,12 +339,13 @@
#endif
}
-void *PPCJITInfo::emitFunctionStub(void *Fn, MachineCodeEmitter &MCE) {
+void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
+ MachineCodeEmitter &MCE) {
// If this is just a call to an external function, emit a branch instead of a
// call. The code is the same except for one bit of the last instruction.
if (Fn != (void*)(intptr_t)PPC32CompilationCallback &&
Fn != (void*)(intptr_t)PPC64CompilationCallback) {
- MCE.startFunctionStub(7*4);
+ MCE.startFunctionStub(F, 7*4);
intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
MCE.emitWordBE(0);
MCE.emitWordBE(0);
@@ -354,10 +356,10 @@
MCE.emitWordBE(0);
EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit);
SyncICache((void*)Addr, 7*4);
- return MCE.finishFunctionStub(0);
+ return MCE.finishFunctionStub(F);
}
- MCE.startFunctionStub(10*4);
+ MCE.startFunctionStub(F, 10*4);
intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
if (is64Bit) {
MCE.emitWordBE(0xf821ffb1); // stdu r1,-80(r1)
@@ -382,7 +384,7 @@
MCE.emitWordBE(0);
EmitBranchToAt(BranchAddr, (intptr_t)Fn, true, is64Bit);
SyncICache((void*)Addr, 10*4);
- return MCE.finishFunctionStub(0);
+ return MCE.finishFunctionStub(F);
}