fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Capturing guest/host context and showing registers in debugger.

Browse Source
This commit is contained in:
Ben Vanik
2015-08-29 08:08:54 -07:00
parent ab04175aad
commit 3c50b6739a
23 changed files with 1182 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/xenia/cpu/stack_walker_win.cc
View File

@@ -152,7 +152,10 @@ class Win32StackWalker : public StackWalker {
size_t CaptureStackTrace(void* thread_handle, uint64_t* frame_host_pcs,
size_t frame_offset, size_t frame_count,
X64Context* out_host_context,
uint64_t* out_stack_hash) override {
// TODO(benvanik): use xstate?
// https://msdn.microsoft.com/en-us/library/windows/desktop/hh134240(v=vs.85).aspx
// Query context. Thread must be suspended.
// Need at least CONTEXT_CONTROL (for rip and rsp) and CONTEXT_INTEGER (for
// rbp).
@@ -163,6 +166,15 @@ class Win32StackWalker : public StackWalker {
return 0;
}
if (out_host_context) {
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));
}
// Setup the frame for walking.
STACKFRAME64 stack_frame = {0};
stack_frame.AddrPC.Mode = AddrModeFlat;