Mercurial > hg > truffle
diff src/cpu/x86/vm/graalCodeInstaller_x86.hpp @ 10411:67fa9b3e10ed
renamed codeInstaller_<cpu>.hpp to graalCodeInstaller_<cpu>.hpp
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 19 Jun 2013 15:46:28 +0200 |
parents | src/cpu/x86/vm/codeInstaller_x86.hpp@60648c97cdd0 |
children | d71c56c67921 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/x86/vm/graalCodeInstaller_x86.hpp Wed Jun 19 15:46:28 2013 +0200 @@ -0,0 +1,192 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +#ifndef CPU_SPARC_VM_CODEINSTALLER_X86_HPP +#define CPU_SPARC_VM_CODEINSTALLER_X86_HPP + +#include "compiler/disassembler.hpp" +#include "runtime/javaCalls.hpp" +#include "graal/graalEnv.hpp" +#include "graal/graalCompiler.hpp" +#include "graal/graalCodeInstaller.hpp" +#include "graal/graalJavaAccess.hpp" +#include "graal/graalCompilerToVM.hpp" +#include "graal/graalRuntime.hpp" +#include "asm/register.hpp" +#include "classfile/vmSymbols.hpp" +#include "code/vmreg.hpp" + +inline jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) { + if (inst->is_call() || inst->is_jump()) { + assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size"); + return (pc_offset + NativeCall::instruction_size); + } else if (inst->is_mov_literal64()) { + // mov+call instruction pair + jint offset = pc_offset + NativeMovConstReg::instruction_size; + u_char* call = (u_char*) (_instructions->start() + offset); + assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte"); + offset += 3; /* prefix byte + opcode byte + modrm byte */ + return (offset); + } else if (inst->is_call_reg()) { + // the inlined vtable stub contains a "call register" instruction + assert(method != NULL, "only valid for virtual calls"); + return (pc_offset + ((NativeCallReg *) inst)->next_instruction_offset()); + } else { + fatal("unsupported type of instruction for call site"); + return 0; + } +} + +inline void CodeInstaller::pd_site_DataPatch(oop constant, oop kind, bool inlined, + address instruction, int alignment, char typeChar) { + switch (typeChar) { + case 'z': + case 'b': + case 's': + case 'c': + case 'i': + fatal("int-sized values not expected in DataPatch"); + break; + case 'f': + case 'j': + case 'd': { + if (inlined) { + address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); + *((jlong*) operand) = Constant::primitive(constant); + } else { + address operand = Assembler::locate_operand(instruction, Assembler::disp32_operand); + address next_instruction = Assembler::locate_next_instruction(instruction); + int size = _constants->size(); + if (alignment > 0) { + guarantee(alignment <= _constants->alignment(), "Alignment inside constants section is restricted by alignment of section begin"); + size = align_size_up(size, alignment); + } + // we don't care if this is a long/double/etc., the primitive field contains the right bits + address dest = _constants->start() + size; + _constants->set_end(dest + BytesPerLong); + *(jlong*) dest = Constant::primitive(constant); + + long disp = dest - next_instruction; + assert(disp == (jint) disp, "disp doesn't fit in 32 bits"); + *((jint*) operand) = (jint) disp; + + _instructions->relocate(instruction, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand); + TRACE_graal_3("relocating (%c) at %p/%p with destination at %p (%d)", typeChar, instruction, operand, dest, size); + } + break; + } + case 'a': { + address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); + Handle obj = Constant::object(constant); + + jobject value = JNIHandles::make_local(obj()); + *((jobject*) operand) = value; + _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); + TRACE_graal_3("relocating (oop constant) at %p/%p", instruction, operand); + break; + } + default: + fatal(err_msg("unexpected Kind (%d) in DataPatch", typeChar)); + break; + } +} + +inline void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) { + if (cb->is_nmethod()) { + nmethod* nm = (nmethod*) cb; + nativeJump_at((address)inst)->set_jump_destination(nm->verified_entry_point()); + } else { + nativeJump_at((address)inst)->set_jump_destination(cb->code_begin()); + } + _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); +} + +inline void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) { + if (inst->is_call()) { + // NOTE: for call without a mov, the offset must fit a 32-bit immediate + // see also CompilerToVM.getMaxCallTargetOffset() + NativeCall* call = nativeCall_at((address) (inst)); + call->set_destination((address) foreign_call_destination); + _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); + } else if (inst->is_mov_literal64()) { + NativeMovConstReg* mov = nativeMovConstReg_at((address) (inst)); + mov->set_data((intptr_t) foreign_call_destination); + _instructions->relocate(mov->instruction_address(), runtime_call_Relocation::spec(), Assembler::imm_operand); + } else { + NativeJump* jump = nativeJump_at((address) (inst)); + jump->set_jump_destination((address) foreign_call_destination); + _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); + } + TRACE_graal_3("relocating (foreign call) at %p", inst); +} + +inline void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) { +#ifdef ASSERT + Method* method = NULL; + // we need to check, this might also be an unresolved method + if (hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) { + method = getMethodFromHotSpotMethod(hotspot_method); + } +#endif + switch (_next_call_type) { + case MARK_INLINE_INVOKE: + break; + case MARK_INVOKEVIRTUAL: + case MARK_INVOKEINTERFACE: { + assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); + + NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); + call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); + _instructions->relocate(call->instruction_address(), + virtual_call_Relocation::spec(_invoke_mark_pc), + Assembler::call32_operand); + break; + } + case MARK_INVOKESTATIC: { + assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); + + NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); + call->set_destination(SharedRuntime::get_resolve_static_call_stub()); + _instructions->relocate(call->instruction_address(), + relocInfo::static_call_type, Assembler::call32_operand); + break; + } + case MARK_INVOKESPECIAL: { + assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); + NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); + call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); + _instructions->relocate(call->instruction_address(), + relocInfo::opt_virtual_call_type, Assembler::call32_operand); + break; + } + default: + fatal("invalid _next_call_type value"); + break; + } +} + +inline int32_t* CodeInstaller::pd_locate_operand(address instruction) { + return (int32_t*) Assembler::locate_operand(instruction, Assembler::disp32_operand); +} + +#endif // CPU_SPARC_VM_CODEINSTALLER_X86_HPP +