win: Implement exception snapshot

snapshot/win/thread_snapshot_win.cc

Index: snapshot/win/thread_snapshot_win.cc
diff --git a/snapshot/win/thread_snapshot_win.cc b/snapshot/win/thread_snapshot_win.cc
index 83ad54efc3a59b87f23e9e9be983f88d055aad52..773c4cb0550e4483bede533ca788083358e3646a 100644
--- a/snapshot/win/thread_snapshot_win.cc
+++ b/snapshot/win/thread_snapshot_win.cc
@@ -15,60 +15,12 @@
 #include "snapshot/win/thread_snapshot_win.h"
 
 #include "base/logging.h"
+#include "snapshot/win/cpu_context_win.h"
 #include "snapshot/win/process_reader_win.h"
 
 namespace crashpad {
 namespace internal {
 
-namespace {
-
-void InitializeX64Context(const CONTEXT& context,
-                          CPUContextX86_64* out) {
-  out->rax = context.Rax;
-  out->rbx = context.Rbx;
-  out->rcx = context.Rcx;
-  out->rdx = context.Rdx;
-  out->rdi = context.Rdi;
-  out->rsi = context.Rsi;
-  out->rbp = context.Rbp;
-  out->rsp = context.Rsp;
-  out->r8 = context.R8;
-  out->r9 = context.R9;
-  out->r10 = context.R10;
-  out->r11 = context.R11;
-  out->r12 = context.R12;
-  out->r13 = context.R13;
-  out->r14 = context.R14;
-  out->r15 = context.R15;
-  out->rip = context.Rip;
-  out->rflags = context.EFlags;
-  out->cs = context.SegCs;
-  out->fs = context.SegFs;
-  out->gs = context.SegGs;
-
-  out->dr0 = context.Dr0;
-  out->dr1 = context.Dr1;
-  out->dr2 = context.Dr2;
-  out->dr3 = context.Dr3;
-  // DR4 and DR5 are obsolete synonyms for DR6 and DR7, see
-  // http://en.wikipedia.org/wiki/X86_debug_register.
-  out->dr4 = context.Dr6;
-  out->dr5 = context.Dr7;
-  out->dr6 = context.Dr6;
-  out->dr7 = context.Dr7;
-
-  static_assert(sizeof(out->fxsave) == sizeof(context.FltSave),
-                "types must be equivalent");
-  memcpy(&out->fxsave, &context.FltSave.ControlWord, sizeof(out->fxsave));
-}
-
-void InitializeX86Context(const CONTEXT& context,
-                          CPUContextX86* out) {
-  CHECK(false) << "TODO(scottmg) InitializeX86Context()";
-}
-
-}  // namespace
-
 ThreadSnapshotWin::ThreadSnapshotWin()
     : ThreadSnapshot(), context_(), stack_(), thread_(), initialized_() {
 }