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Hooking up code emission.

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This commit is contained in:
Ben Vanik
2014-01-02 20:41:13 -08:00
parent 7969349126
commit e14d3379cb
12 changed files with 280 additions and 17 deletions
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17
src/alloy/backend/x64/x64_assembler.cc
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@@ -73,7 +73,6 @@ int X64Assembler::Initialize() {
void X64Assembler::Reset() {
builder_->Reset();
optimizer_->Reset();
emitter_->Reset();
string_buffer_.Reset();
Assembler::Reset();
}
@@ -107,13 +106,14 @@ int X64Assembler::Assemble(
}
// Emit machine code.
// TODO(benvanik): machine code.
//result = emitter_->Emit(builder_, &machine_code, &length);
void* machine_code = 0;
size_t code_size = 0;
result = emitter_->Emit(builder_, machine_code, code_size);
XEEXPECTZERO(result);
// Stash generated machine code.
if (debug_info) {
DumpMachineCode(&string_buffer_);
DumpMachineCode(machine_code, code_size, &string_buffer_);
debug_info->set_machine_code_disasm(string_buffer_.ToString());
string_buffer_.Reset();
}
@@ -132,19 +132,20 @@ XECLEANUP:
return result;
}
void X64Assembler::DumpMachineCode(StringBuffer* str) {
void X64Assembler::DumpMachineCode(
void* machine_code, size_t code_size, StringBuffer* str) {
BE::DISASM disasm;
xe_zero_struct(&disasm, sizeof(disasm));
disasm.Archi = 64;
disasm.Options = BE::Tabulation + BE::MasmSyntax + BE::PrefixedNumeral;
disasm.EIP = 0;// (BE::UIntPtr)assembler_.getCode();
BE::UIntPtr eip_end = 0;// assembler_.getCode() + assembler_.getCodeSize();
disasm.EIP = (BE::UIntPtr)machine_code;
BE::UIntPtr eip_end = disasm.EIP + code_size;
while (disasm.EIP < eip_end) {
size_t len = BE::Disasm(&disasm);
if (len == BE::UNKNOWN_OPCODE) {
break;
}
str->Append("%p %s", disasm.EIP, disasm.CompleteInstr);
str->Append("%p %s\n", disasm.EIP, disasm.CompleteInstr);
disasm.EIP += len;
}
}