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A new debugger.

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Lots of bugs/rough edges/etc - issues will be filed.
Old-style debugging still works (just use --emit_source_annotations to get
the helpful movs back and --break_on_instruction will still fire).
This commit is contained in:
Ben Vanik
2015-09-20 21:31:05 -07:00
parent 8046c19898
commit 5d033f9cb3
90 changed files with 4183 additions and 4651 deletions
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8
src/xenia/cpu/backend/x64/x64_emitter.cc
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@@ -38,6 +38,8 @@ DEFINE_bool(enable_debugprint_log, false,
"Log debugprint traps to the active debugger");
DEFINE_bool(ignore_undefined_externs, true,
"Don't exit when an undefined extern is called.");
DEFINE_bool(emit_source_annotations, false,
"Add extra movs and nops to make disassembly easier to read.");
namespace xe {
namespace cpu {
@@ -239,7 +241,7 @@ bool X64Emitter::Emit(HIRBuilder* builder, size_t* out_stack_size) {
add(rsp, (uint32_t)stack_size);
ret();
if (FLAGS_debug) {
if (FLAGS_emit_source_annotations) {
nop();
nop();
nop();
@@ -254,9 +256,9 @@ void X64Emitter::MarkSourceOffset(const Instr* i) {
auto entry = source_map_arena_.Alloc<SourceMapEntry>();
entry->source_offset = static_cast<uint32_t>(i->src1.offset);
entry->hir_offset = uint32_t(i->block->ordinal << 16) | i->ordinal;
entry->code_offset = static_cast<uint32_t>(getSize() + 1);
entry->code_offset = static_cast<uint32_t>(getSize());
if (FLAGS_debug) {
if (FLAGS_emit_source_annotations) {
nop();
nop();
mov(eax, entry->source_offset);