//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define DEBUG_TYPE "jit"
#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/System/Memory.h"
#include "llvm/Support/Debug.h"
-#include <set>
using namespace llvm;
static TargetJITInfo::JITCompilerFn JITCompilerFunction;
extern "C" void PPC64CompilationCallback();
#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
- !defined(__ppc64__)
+ !(defined(__ppc64__) || defined(__FreeBSD__))
// CompilationCallback stub - We can't use a C function with inline assembly in
// it, because we the prolog/epilog inserted by GCC won't work for us. Instead,
// write our own wrapper, which does things our way, so we have complete control
);
#elif defined(__PPC__) && !defined(__ppc64__)
-// Linux/PPC support
+// Linux & FreeBSD / PPC 32 support
// CompilationCallback stub - We can't use a C function with inline assembly in
// it, because we the prolog/epilog inserted by GCC won't work for us. Instead,
".align 2\n"
".globl PPC32CompilationCallback\n"
"PPC32CompilationCallback:\n"
- // Make space for 8 ints r[3-10] and 13 doubles f[1-13] and the
+ // Make space for 8 ints r[3-10] and 8 doubles f[1-8] and the
// FIXME: need to save v[0-19] for altivec?
// FIXME: could shrink frame
// Set up a proper stack frame
// FIXME Layout
- // PowerPC64 ABI linkage - 24 bytes
- // parameters - 32 bytes
- // 13 double registers - 104 bytes
+ // 8 double registers - 64 bytes
// 8 int registers - 32 bytes
"mflr 0\n"
"stw 0, 4(1)\n"
- "stwu 1, -180(1)\n"
+ "stwu 1, -104(1)\n"
// Save all int arg registers
- "stw 10, 176(1)\n" "stw 9, 172(1)\n"
- "stw 8, 168(1)\n" "stw 7, 164(1)\n"
- "stw 6, 160(1)\n" "stw 5, 156(1)\n"
- "stw 4, 152(1)\n" "stw 3, 148(1)\n"
+ "stw 10, 100(1)\n" "stw 9, 96(1)\n"
+ "stw 8, 92(1)\n" "stw 7, 88(1)\n"
+ "stw 6, 84(1)\n" "stw 5, 80(1)\n"
+ "stw 4, 76(1)\n" "stw 3, 72(1)\n"
// Save all call-clobbered FP regs.
- "stfd 10, 144(1)\n"
- "stfd 9, 136(1)\n" "stfd 8, 128(1)\n"
- "stfd 7, 120(1)\n" "stfd 6, 112(1)\n"
- "stfd 5, 104(1)\n" "stfd 4, 96(1)\n"
- "stfd 3, 88(1)\n" "stfd 2, 80(1)\n"
- "stfd 1, 72(1)\n"
+ "stfd 8, 64(1)\n"
+ "stfd 7, 56(1)\n" "stfd 6, 48(1)\n"
+ "stfd 5, 40(1)\n" "stfd 4, 32(1)\n"
+ "stfd 3, 24(1)\n" "stfd 2, 16(1)\n"
+ "stfd 1, 8(1)\n"
// Arguments to Compilation Callback:
// r3 - our lr (address of the call instruction in stub plus 4)
// r4 - stub's lr (address of instruction that called the stub plus 4)
// r5 - is64Bit - always 0.
"mr 3, 0\n"
- "lwz 11, 180(1)\n" // stub's frame
- "lwz 4, 4(11)\n" // stub's lr
+ "lwz 5, 104(1)\n" // stub's frame
+ "lwz 4, 4(5)\n" // stub's lr
"li 5, 0\n" // 0 == 32 bit
"bl PPCCompilationCallbackC\n"
"mtctr 3\n"
// Restore all int arg registers
- "lwz 10, 176(1)\n" "lwz 9, 172(1)\n"
- "lwz 8, 168(1)\n" "lwz 7, 164(1)\n"
- "lwz 6, 160(1)\n" "lwz 5, 156(1)\n"
- "lwz 4, 152(1)\n" "lwz 3, 148(1)\n"
+ "lwz 10, 100(1)\n" "lwz 9, 96(1)\n"
+ "lwz 8, 92(1)\n" "lwz 7, 88(1)\n"
+ "lwz 6, 84(1)\n" "lwz 5, 80(1)\n"
+ "lwz 4, 76(1)\n" "lwz 3, 72(1)\n"
// Restore all FP arg registers
- "lfd 10, 144(1)\n"
- "lfd 9, 136(1)\n" "lfd 8, 128(1)\n"
- "lfd 7, 120(1)\n" "lfd 6, 112(1)\n"
- "lfd 5, 104(1)\n" "lfd 4, 96(1)\n"
- "lfd 3, 88(1)\n" "lfd 2, 80(1)\n"
- "lfd 1, 72(1)\n"
+ "lfd 8, 64(1)\n"
+ "lfd 7, 56(1)\n" "lfd 6, 48(1)\n"
+ "lfd 5, 40(1)\n" "lfd 4, 32(1)\n"
+ "lfd 3, 24(1)\n" "lfd 2, 16(1)\n"
+ "lfd 1, 8(1)\n"
// Pop 3 frames off the stack and branch to target
- "lwz 1, 184(1)\n"
- "lwz 11, 4(1)\n"
- "mtlr 11\n"
+ "lwz 1, 104(1)\n"
+ "lwz 0, 4(1)\n"
+ "mtlr 0\n"
"bctr\n"
);
#else
return is64Bit ? PPC64CompilationCallback : PPC32CompilationCallback;
}
-void *PPCJITInfo::emitFunctionStub(void *Fn, MachineCodeEmitter &MCE) {
+#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
+defined(__APPLE__)
+extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
+#endif
+
+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.startGVStub(F, 7*4);
intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit);
- return MCE.finishFunctionStub(0);
+ sys::Memory::InvalidateInstructionCache((void*)Addr, 7*4);
+ return MCE.finishGVStub(F);
}
- MCE.startFunctionStub(10*4);
+ MCE.startGVStub(F, 10*4);
+ intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
if (is64Bit) {
MCE.emitWordBE(0xf821ffb1); // stdu r1,-80(r1)
MCE.emitWordBE(0x7d6802a6); // mflr r11
MCE.emitWordBE(0xf9610060); // std r11, 96(r1)
- } else {
+ } else if (TM.getSubtargetImpl()->isMachoABI()){
MCE.emitWordBE(0x9421ffe0); // stwu r1,-32(r1)
MCE.emitWordBE(0x7d6802a6); // mflr r11
MCE.emitWordBE(0x91610028); // stw r11, 40(r1)
+ } else {
+ MCE.emitWordBE(0x9421ffe0); // stwu r1,-32(r1)
+ MCE.emitWordBE(0x7d6802a6); // mflr r11
+ MCE.emitWordBE(0x91610024); // stw r11, 36(r1)
}
- intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
+ intptr_t BranchAddr = (intptr_t)MCE.getCurrentPCValue();
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
MCE.emitWordBE(0);
- EmitBranchToAt(Addr, (intptr_t)Fn, true, is64Bit);
- return MCE.finishFunctionStub(0);
+ EmitBranchToAt(BranchAddr, (intptr_t)Fn, true, is64Bit);
+ sys::Memory::InvalidateInstructionCache((void*)Addr, 10*4);
+ return MCE.finishGVStub(F);
}
projects / oota-llvm.git / blobdiff