#include "ARMRelocations.h"
#include "ARMSubtarget.h"
#include "llvm/Function.h"
-#include "llvm/CodeGen/MachineCodeEmitter.h"
+#include "llvm/CodeGen/JITCodeEmitter.h"
#include "llvm/Config/alloca.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Streams.h"
#include "llvm/System/Memory.h"
#include <cstdlib>
using namespace llvm;
void ARMJITInfo::replaceMachineCodeForFunction(void *Old, void *New) {
- abort();
+ llvm_report_error("ARMJITInfo::replaceMachineCodeForFunction");
}
/// JITCompilerFunction - This contains the address of the JIT function used to
// whole compilation callback doesn't exist as far as the caller is
// concerned, so we can't just preserve the callee saved regs.
"stmdb sp!, {r0, r1, r2, r3, lr}\n"
-#ifdef __APPLE__
+#ifndef __SOFTFP__
"fstmfdd sp!, {d0, d1, d2, d3, d4, d5, d6, d7}\n"
#endif
// The LR contains the address of the stub function on entry.
// 6-20 | D0..D7 | Saved VFP registers
// +--------+
//
-#ifdef __APPLE__
+#ifndef __SOFTFP__
// Restore VFP caller-saved registers.
"fldmfdd sp!, {d0, d1, d2, d3, d4, d5, d6, d7}\n"
#endif
);
#else // Not an ARM host
void ARMCompilationCallback() {
- assert(0 && "Cannot call ARMCompilationCallback() on a non-ARM arch!\n");
- abort();
+ LLVM_UNREACHABLE("Cannot call ARMCompilationCallback() on a non-ARM arch!");
}
#endif
}
// ldr pc, [pc,#-4]
// <addr>
if (!sys::Memory::setRangeWritable((void*)StubAddr, 8)) {
- cerr << "ERROR: Unable to mark stub writable\n";
- abort();
+ LLVM_UNREACHABLE("ERROR: Unable to mark stub writable");
}
*(intptr_t *)StubAddr = 0xe51ff004; // ldr pc, [pc, #-4]
*(intptr_t *)(StubAddr+4) = NewVal;
if (!sys::Memory::setRangeExecutable((void*)StubAddr, 8)) {
- cerr << "ERROR: Unable to mark stub executable\n";
- abort();
+ LLVM_UNREACHABLE("ERROR: Unable to mark stub executable");
}
}
}
void *ARMJITInfo::emitGlobalValueIndirectSym(const GlobalValue *GV, void *Ptr,
- MachineCodeEmitter &MCE) {
- MCE.startGVStub(GV, 4, 4);
- MCE.emitWordLE((intptr_t)Ptr);
- void *PtrAddr = MCE.finishGVStub(GV);
+ JITCodeEmitter &JCE) {
+ JCE.startGVStub(GV, 4, 4);
+ JCE.emitWordLE((intptr_t)Ptr);
+ void *PtrAddr = JCE.finishGVStub(GV);
addIndirectSymAddr(Ptr, (intptr_t)PtrAddr);
return PtrAddr;
}
void *ARMJITInfo::emitFunctionStub(const Function* F, void *Fn,
- MachineCodeEmitter &MCE) {
+ JITCodeEmitter &JCE) {
// 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)ARMCompilationCallback) {
intptr_t LazyPtr = getIndirectSymAddr(Fn);
if (!LazyPtr) {
// In PIC mode, the function stub is loading a lazy-ptr.
- LazyPtr= (intptr_t)emitGlobalValueIndirectSym((GlobalValue*)F, Fn, MCE);
+ LazyPtr= (intptr_t)emitGlobalValueIndirectSym((GlobalValue*)F, Fn, JCE);
if (F)
DOUT << "JIT: Indirect symbol emitted at [" << LazyPtr << "] for GV '"
<< F->getName() << "'\n";
DOUT << "JIT: Stub emitted at [" << LazyPtr
<< "] for external function at '" << Fn << "'\n";
}
- MCE.startGVStub(F, 16, 4);
- intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
- MCE.emitWordLE(0xe59fc004); // ldr pc, [pc, #+4]
- MCE.emitWordLE(0xe08fc00c); // L_func$scv: add ip, pc, ip
- MCE.emitWordLE(0xe59cf000); // ldr pc, [ip]
- MCE.emitWordLE(LazyPtr - (Addr+4+8)); // func - (L_func$scv+8)
+ JCE.startGVStub(F, 16, 4);
+ intptr_t Addr = (intptr_t)JCE.getCurrentPCValue();
+ JCE.emitWordLE(0xe59fc004); // ldr pc, [pc, #+4]
+ JCE.emitWordLE(0xe08fc00c); // L_func$scv: add ip, pc, ip
+ JCE.emitWordLE(0xe59cf000); // ldr pc, [ip]
+ JCE.emitWordLE(LazyPtr - (Addr+4+8)); // func - (L_func$scv+8)
sys::Memory::InvalidateInstructionCache((void*)Addr, 16);
} else {
// The stub is 8-byte size and 4-aligned.
- MCE.startGVStub(F, 8, 4);
- intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
- MCE.emitWordLE(0xe51ff004); // ldr pc, [pc, #-4]
- MCE.emitWordLE((intptr_t)Fn); // addr of function
+ JCE.startGVStub(F, 8, 4);
+ intptr_t Addr = (intptr_t)JCE.getCurrentPCValue();
+ JCE.emitWordLE(0xe51ff004); // ldr pc, [pc, #-4]
+ JCE.emitWordLE((intptr_t)Fn); // addr of function
sys::Memory::InvalidateInstructionCache((void*)Addr, 8);
}
} else {
//
// Branch and link to the compilation callback.
// The stub is 16-byte size and 4-byte aligned.
- MCE.startGVStub(F, 16, 4);
- intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
+ JCE.startGVStub(F, 16, 4);
+ intptr_t Addr = (intptr_t)JCE.getCurrentPCValue();
// Save LR so the callback can determine which stub called it.
// The compilation callback is responsible for popping this prior
// to returning.
- MCE.emitWordLE(0xe92d4000); // push {lr}
+ JCE.emitWordLE(0xe92d4000); // push {lr}
// Set the return address to go back to the start of this stub.
- MCE.emitWordLE(0xe24fe00c); // sub lr, pc, #12
+ JCE.emitWordLE(0xe24fe00c); // sub lr, pc, #12
// Invoke the compilation callback.
- MCE.emitWordLE(0xe51ff004); // ldr pc, [pc, #-4]
+ JCE.emitWordLE(0xe51ff004); // ldr pc, [pc, #-4]
// The address of the compilation callback.
- MCE.emitWordLE((intptr_t)ARMCompilationCallback);
+ JCE.emitWordLE((intptr_t)ARMCompilationCallback);
sys::Memory::InvalidateInstructionCache((void*)Addr, 16);
}
- return MCE.finishGVStub(F);
+ return JCE.finishGVStub(F);
}
intptr_t ARMJITInfo::resolveRelocDestAddr(MachineRelocation *MR) const {
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