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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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31
src/xenia/cpu/stack_walker_win.cc
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@@ -152,6 +152,7 @@ class Win32StackWalker : public StackWalker {
size_t CaptureStackTrace(void* thread_handle, uint64_t* frame_host_pcs,
size_t frame_offset, size_t frame_count,
const X64Context* in_host_context,
X64Context* out_host_context,
uint64_t* out_stack_hash) override {
// TODO(benvanik): use xstate?
@@ -160,19 +161,33 @@ class Win32StackWalker : public StackWalker {
// Need at least CONTEXT_CONTROL (for rip and rsp) and CONTEXT_INTEGER (for
// rbp).
CONTEXT thread_context;
thread_context.ContextFlags = CONTEXT_FULL;
if (!GetThreadContext(thread_handle, &thread_context)) {
XELOGE("Unable to read thread context for stack walk");
return 0;
if (!in_host_context) {
// If not given a context we need to ask for it.
// This gets the state of the thread exactly where it was when suspended.
thread_context.ContextFlags = CONTEXT_FULL;
if (!GetThreadContext(thread_handle, &thread_context)) {
XELOGE("Unable to read thread context for stack walk");
return 0;
}
} else {
// Copy thread context local. We will be modifying it during stack
// walking, so we don't want to mess with the incoming copy.
thread_context.Rip = in_host_context->rip;
thread_context.EFlags = in_host_context->eflags;
std::memcpy(&thread_context.Rax, in_host_context->int_registers,
sizeof(in_host_context->int_registers));
std::memcpy(&thread_context.Xmm0, in_host_context->xmm_registers,
sizeof(in_host_context->xmm_registers));
}
if (out_host_context) {
// Write out the captured thread context if the caller asked for it.
out_host_context->rip = thread_context.Rip;
out_host_context->eflags = thread_context.EFlags;
std::memcpy(&out_host_context->int_registers.values, &thread_context.Rax,
sizeof(out_host_context->int_registers.values));
std::memcpy(&out_host_context->xmm_registers.values, &thread_context.Xmm0,
sizeof(out_host_context->xmm_registers.values));
std::memcpy(out_host_context->int_registers, &thread_context.Rax,
sizeof(out_host_context->int_registers));
std::memcpy(out_host_context->xmm_registers, &thread_context.Xmm0,
sizeof(out_host_context->xmm_registers));
}
// Setup the frame for walking.