//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "jit"
#include "PPCJITInfo.h"
#include "PPCRelocations.h"
-#include "PPCTargetMachine.h"
+#include "PPCSubtarget.h"
#include "llvm/IR/Function.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
+#define DEBUG_TYPE "jit"
+
static TargetJITInfo::JITCompilerFn JITCompilerFunction;
+PPCJITInfo::PPCJITInfo(PPCSubtarget &STI)
+ : Subtarget(STI), is64Bit(STI.isPPC64()) {
+ useGOT = 0;
+}
+
#define BUILD_ADDIS(RD,RS,IMM16) \
((15 << 26) | ((RD) << 21) | ((RS) << 16) | ((IMM16) & 65535))
#define BUILD_ORI(RD,RS,UIMM16) \
extern "C" void PPC32CompilationCallback();
extern "C" void PPC64CompilationCallback();
-#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
- !(defined(__ppc64__) || defined(__FreeBSD__))
+// The first clause of the preprocessor directive looks wrong, but it is
+// necessary when compiling this code on non-PowerPC hosts.
+#if (!defined(__ppc__) && !defined(__powerpc__)) || defined(__powerpc64__) || defined(__ppc64__)
+void PPC32CompilationCallback() {
+ llvm_unreachable("This is not a 32bit PowerPC, you can't execute this!");
+}
+#elif !defined(__ELF__)
// 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
"lwz r2, 208(r1)\n" // stub's frame
"lwz r4, 8(r2)\n" // stub's lr
"li r5, 0\n" // 0 == 32 bit
- "bl _PPCCompilationCallbackC\n"
+ "bl _LLVMPPCCompilationCallback\n"
"mtctr r3\n"
// Restore all int arg registers
"lwz r10, 204(r1)\n" "lwz r9, 200(r1)\n"
"bctr\n"
);
-#elif defined(__PPC__) && !defined(__ppc64__)
-// Linux & FreeBSD / PPC 32 support
+#else
+// ELF 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,
"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"
+ "bl LLVMPPCCompilationCallback\n"
"mtctr 3\n"
// Restore all int arg registers
"lwz 10, 100(1)\n" "lwz 9, 96(1)\n"
"mtlr 0\n"
"bctr\n"
);
-#else
-void PPC32CompilationCallback() {
- llvm_unreachable("This is not a power pc, you can't execute this!");
-}
#endif
-#if (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
- defined(__ppc64__)
-#ifdef __ELF__
+#if !defined(__powerpc64__) && !defined(__ppc64__)
+void PPC64CompilationCallback() {
+ llvm_unreachable("This is not a 64bit PowerPC, you can't execute this!");
+}
+#else
+# ifdef __ELF__
asm(
".text\n"
".align 2\n"
".globl PPC64CompilationCallback\n"
+#if _CALL_ELF == 2
+ ".type PPC64CompilationCallback,@function\n"
+"PPC64CompilationCallback:\n"
+#else
".section \".opd\",\"aw\",@progbits\n"
".align 3\n"
"PPC64CompilationCallback:\n"
".align 4\n"
".type PPC64CompilationCallback,@function\n"
".L.PPC64CompilationCallback:\n"
-#else
+#endif
+# else
asm(
".text\n"
".align 2\n"
".globl _PPC64CompilationCallback\n"
"_PPC64CompilationCallback:\n"
-#endif
+# endif
// Make space for 8 ints r[3-10] and 13 doubles f[1-13] and the
// FIXME: need to save v[0-19] for altivec?
// Set up a proper stack frame
"ld 5, 280(1)\n" // stub's frame
"ld 4, 16(5)\n" // stub's lr
"li 5, 1\n" // 1 == 64 bit
-#ifdef __ELF__
- "bl PPCCompilationCallbackC\n"
+# ifdef __ELF__
+ "bl LLVMPPCCompilationCallback\n"
"nop\n"
-#else
- "bl _PPCCompilationCallbackC\n"
-#endif
+# else
+ "bl _LLVMPPCCompilationCallback\n"
+# endif
"mtctr 3\n"
// Restore all int arg registers
"ld 10, 272(1)\n" "ld 9, 264(1)\n"
// XXX: any special TOC handling in the ELF case for JIT?
"bctr\n"
);
-#else
-void PPC64CompilationCallback() {
- llvm_unreachable("This is not a power pc, you can't execute this!");
-}
#endif
extern "C" {
-static void* LLVM_ATTRIBUTE_USED PPCCompilationCallbackC(unsigned *StubCallAddrPlus4,
- unsigned *OrigCallAddrPlus4,
- bool is64Bit) {
+LLVM_LIBRARY_VISIBILITY void *
+LLVMPPCCompilationCallback(unsigned *StubCallAddrPlus4,
+ unsigned *OrigCallAddrPlus4,
+ bool is64Bit) {
// Adjust the pointer to the address of the call instruction in the stub
// emitted by emitFunctionStub, rather than the instruction after it.
unsigned *StubCallAddr = StubCallAddrPlus4 - 1;
JCE.emitWordBE(0xf821ffb1); // stdu r1,-80(r1)
JCE.emitWordBE(0x7d6802a6); // mflr r11
JCE.emitWordBE(0xf9610060); // std r11, 96(r1)
- } else if (TM.getSubtargetImpl()->isDarwinABI()){
+ } else if (Subtarget.isDarwinABI()){
JCE.emitWordBE(0x9421ffe0); // stwu r1,-32(r1)
JCE.emitWordBE(0x7d6802a6); // mflr r11
JCE.emitWordBE(0x91610028); // stw r11, 40(r1)