fb7b4b9c59
This works by walking a backtrace until the currently executing native executable is found, and then mapping the native address to its bytecode instruction.
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Bytecode/BasicBlock.h>
|
|
#include <LibJS/Bytecode/Executable.h>
|
|
#include <LibJS/Bytecode/RegexTable.h>
|
|
#include <LibJS/JIT/Compiler.h>
|
|
#include <LibJS/JIT/NativeExecutable.h>
|
|
#include <LibJS/SourceCode.h>
|
|
|
|
namespace JS::Bytecode {
|
|
|
|
Executable::Executable(
|
|
NonnullOwnPtr<IdentifierTable> identifier_table,
|
|
NonnullOwnPtr<StringTable> string_table,
|
|
NonnullOwnPtr<RegexTable> regex_table,
|
|
NonnullRefPtr<SourceCode const> source_code,
|
|
size_t number_of_property_lookup_caches,
|
|
size_t number_of_global_variable_caches,
|
|
size_t number_of_environment_variable_caches,
|
|
size_t number_of_registers,
|
|
Vector<NonnullOwnPtr<BasicBlock>> basic_blocks,
|
|
bool is_strict_mode)
|
|
: basic_blocks(move(basic_blocks))
|
|
, string_table(move(string_table))
|
|
, identifier_table(move(identifier_table))
|
|
, regex_table(move(regex_table))
|
|
, source_code(move(source_code))
|
|
, number_of_registers(number_of_registers)
|
|
, is_strict_mode(is_strict_mode)
|
|
{
|
|
property_lookup_caches.resize(number_of_property_lookup_caches);
|
|
global_variable_caches.resize(number_of_global_variable_caches);
|
|
environment_variable_caches.resize(number_of_environment_variable_caches);
|
|
}
|
|
|
|
Executable::~Executable() = default;
|
|
|
|
void Executable::dump() const
|
|
{
|
|
dbgln("\033[33;1mJS::Bytecode::Executable\033[0m ({})", name);
|
|
for (auto& block : basic_blocks)
|
|
block->dump(*this);
|
|
if (!string_table->is_empty()) {
|
|
outln();
|
|
string_table->dump();
|
|
}
|
|
if (!identifier_table->is_empty()) {
|
|
outln();
|
|
identifier_table->dump();
|
|
}
|
|
}
|
|
|
|
JIT::NativeExecutable const* Executable::get_or_create_native_executable()
|
|
{
|
|
if (!m_did_try_jitting) {
|
|
m_did_try_jitting = true;
|
|
m_native_executable = JIT::Compiler::compile(*this);
|
|
}
|
|
return m_native_executable;
|
|
}
|
|
|
|
}
|