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LibJS/JIT: Stub out the JIT compiler on everything but ARCH(X86_64)

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We don't support other architectures yet!
This commit is contained in:
Andreas Kling 2023-10-27 15:14:49 +02:00
parent d1c701f79f
commit a645b9c6c3
2 changed files with 100 additions and 81 deletions
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29
Userland/Libraries/LibJS/JIT/Compiler.cpp
View file

@ -5,6 +5,7 @@
*/
#include <AK/OwnPtr.h>
#include <AK/Platform.h>
#include <LibJS/Bytecode/CommonImplementations.h>
#include <LibJS/Bytecode/Instruction.h>
#include <LibJS/Bytecode/Interpreter.h>
@ -17,11 +18,13 @@
#include <sys/mman.h>
#include <unistd.h>
#define LOG_JIT_SUCCESS 1
#define LOG_JIT_FAILURE 1
#define DUMP_JIT_MACHINE_CODE_TO_STDOUT 0
#if ARCH(X86_64)
#define TRY_OR_SET_EXCEPTION(expression) \
# define LOG_JIT_SUCCESS 1
# define LOG_JIT_FAILURE 1
# define DUMP_JIT_MACHINE_CODE_TO_STDOUT 0
# define TRY_OR_SET_EXCEPTION(expression) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
@ -434,7 +437,7 @@ static ThrowCompletionOr<Value> typed_equals(VM&, Value src1, Value src2)
return Value(is_strictly_equal(src1, src2));
}
#define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
# define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
static Value cxx_##snake_case_name(VM& vm, Value lhs, Value rhs) \
{ \
return TRY_OR_SET_EXCEPTION(snake_case_name(vm, lhs, rhs)); \
@ -450,7 +453,7 @@ static ThrowCompletionOr<Value> typed_equals(VM&, Value src1, Value src2)
}
JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(DO_COMPILE_COMMON_BINARY_OP)
#undef DO_COMPILE_COMMON_BINARY_OP
# undef DO_COMPILE_COMMON_BINARY_OP
static Value cxx_less_than(VM& vm, Value lhs, Value rhs)
{
@ -509,7 +512,7 @@ static ThrowCompletionOr<Value> typeof_(VM& vm, Value value)
return PrimitiveString::create(vm, value.typeof());
}
#define DO_COMPILE_COMMON_UNARY_OP(TitleCaseName, snake_case_name) \
# define DO_COMPILE_COMMON_UNARY_OP(TitleCaseName, snake_case_name) \
static Value cxx_##snake_case_name(VM& vm, Value value) \
{ \
return TRY_OR_SET_EXCEPTION(snake_case_name(vm, value)); \
@ -524,7 +527,7 @@ static ThrowCompletionOr<Value> typeof_(VM& vm, Value value)
}
JS_ENUMERATE_COMMON_UNARY_OPS(DO_COMPILE_COMMON_UNARY_OP)
#undef DO_COMPILE_COMMON_UNARY_OP
# undef DO_COMPILE_COMMON_UNARY_OP
void Compiler::compile_return(Bytecode::Op::Return const&)
{
@ -1016,19 +1019,19 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
compiler.compile_less_than(static_cast<Bytecode::Op::LessThan const&>(op));
break;
#define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
# define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \
compiler.compile_##snake_case_name(static_cast<Bytecode::Op::TitleCaseName const&>(op)); \
break;
JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(DO_COMPILE_COMMON_BINARY_OP)
#undef DO_COMPILE_COMMON_BINARY_OP
# undef DO_COMPILE_COMMON_BINARY_OP
#define DO_COMPILE_COMMON_UNARY_OP(TitleCaseName, snake_case_name) \
# define DO_COMPILE_COMMON_UNARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \
compiler.compile_##snake_case_name(static_cast<Bytecode::Op::TitleCaseName const&>(op)); \
break;
JS_ENUMERATE_COMMON_UNARY_OPS(DO_COMPILE_COMMON_UNARY_OP)
#undef DO_COMPILE_COMMON_UNARY_OP
# undef DO_COMPILE_COMMON_UNARY_OP
default:
if constexpr (LOG_JIT_FAILURE) {
@ -1088,3 +1091,5 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
}
}
#endif

32
Userland/Libraries/LibJS/JIT/Compiler.h
View file

@ -6,10 +6,11 @@
#pragma once
#include <LibJIT/Assembler.h>
#include <LibJS/Bytecode/Executable.h>
#include <LibJS/Bytecode/Op.h>
#include <LibJS/JIT/NativeExecutable.h>
#if ARCH(X86_64)
# include <LibJIT/Assembler.h>
# include <LibJS/Bytecode/Executable.h>
# include <LibJS/Bytecode/Op.h>
# include <LibJS/JIT/NativeExecutable.h>
namespace JS::JIT {
@ -20,6 +21,7 @@ public:
static OwnPtr<NativeExecutable> compile(Bytecode::Executable&);
private:
# if ARCH(X86_64)
static constexpr auto GPR0 = Assembler::Reg::RAX;
static constexpr auto GPR1 = Assembler::Reg::RCX;
static constexpr auto ARG0 = Assembler::Reg::RDI;
@ -33,6 +35,7 @@ private:
static constexpr auto REGISTER_ARRAY_BASE = Assembler::Reg::R13;
static constexpr auto LOCALS_ARRAY_BASE = Assembler::Reg::R14;
static constexpr auto UNWIND_CONTEXT_BASE = Assembler::Reg::R15;
# endif
void compile_load_immediate(Bytecode::Op::LoadImmediate const&);
void compile_load(Bytecode::Op::Load const&);
@ -51,7 +54,7 @@ private:
void compile_to_numeric(Bytecode::Op::ToNumeric const&);
void compile_resolve_this_binding(Bytecode::Op::ResolveThisBinding const&);
#define JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(O) \
# define JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(O) \
O(Add, add) \
O(Sub, sub) \
O(Mul, mul) \
@ -74,17 +77,17 @@ private:
O(RightShift, right_shift) \
O(UnsignedRightShift, unsigned_right_shift)
#define DO_COMPILE_COMMON_BINARY_OP(OpTitleCase, op_snake_case) \
# define DO_COMPILE_COMMON_BINARY_OP(OpTitleCase, op_snake_case) \
void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);
JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(DO_COMPILE_COMMON_BINARY_OP)
#undef DO_COMPILE_COMMON_BINARY_OP
# undef DO_COMPILE_COMMON_BINARY_OP
#define DO_COMPILE_COMMON_UNARY_OP(OpTitleCase, op_snake_case) \
# define DO_COMPILE_COMMON_UNARY_OP(OpTitleCase, op_snake_case) \
void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);
JS_ENUMERATE_COMMON_UNARY_OPS(DO_COMPILE_COMMON_UNARY_OP)
#undef DO_COMPILE_COMMON_UNARY_OP
# undef DO_COMPILE_COMMON_UNARY_OP
void compile_less_than(Bytecode::Op::LessThan const&);
@ -157,3 +160,14 @@ private:
};
}
#else
namespace JS::JIT {
class Compiler {
public:
static OwnPtr<NativeExecutable> compile(Bytecode::Executable&) { return nullptr; }
};
}
#endif