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authorpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
commit061da546b983eb767bad15e67af1174fb0bcf31c (patch)
tree83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp
parentImport LLVM 10.0.0 release including clang, lld and lldb. (diff)
downloadwireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.tar.xz
wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.zip
Import LLVM 10.0.0 release including clang, lld and lldb.
ok hackroom tested by plenty
Diffstat (limited to 'gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp')
-rw-r--r--gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp182
1 files changed, 182 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp b/gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp
new file mode 100644
index 00000000000..026bf2f746a
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+++ b/gnu/llvm/lldb/source/Breakpoint/WatchpointOptions.cpp
@@ -0,0 +1,182 @@
+//===-- WatchpointOptions.cpp -----------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Breakpoint/WatchpointOptions.h"
+
+#include "lldb/Breakpoint/StoppointCallbackContext.h"
+#include "lldb/Core/Value.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/ThreadSpec.h"
+#include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StringList.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+bool WatchpointOptions::NullCallback(void *baton,
+ StoppointCallbackContext *context,
+ lldb::user_id_t watch_id) {
+ return true;
+}
+
+// WatchpointOptions constructor
+WatchpointOptions::WatchpointOptions()
+ : m_callback(WatchpointOptions::NullCallback), m_callback_baton_sp(),
+ m_callback_is_synchronous(false), m_thread_spec_up() {}
+
+// WatchpointOptions copy constructor
+WatchpointOptions::WatchpointOptions(const WatchpointOptions &rhs)
+ : m_callback(rhs.m_callback), m_callback_baton_sp(rhs.m_callback_baton_sp),
+ m_callback_is_synchronous(rhs.m_callback_is_synchronous),
+ m_thread_spec_up() {
+ if (rhs.m_thread_spec_up != nullptr)
+ m_thread_spec_up.reset(new ThreadSpec(*rhs.m_thread_spec_up));
+}
+
+// WatchpointOptions assignment operator
+const WatchpointOptions &WatchpointOptions::
+operator=(const WatchpointOptions &rhs) {
+ m_callback = rhs.m_callback;
+ m_callback_baton_sp = rhs.m_callback_baton_sp;
+ m_callback_is_synchronous = rhs.m_callback_is_synchronous;
+ if (rhs.m_thread_spec_up != nullptr)
+ m_thread_spec_up.reset(new ThreadSpec(*rhs.m_thread_spec_up));
+ return *this;
+}
+
+WatchpointOptions *
+WatchpointOptions::CopyOptionsNoCallback(WatchpointOptions &orig) {
+ WatchpointHitCallback orig_callback = orig.m_callback;
+ lldb::BatonSP orig_callback_baton_sp = orig.m_callback_baton_sp;
+ bool orig_is_sync = orig.m_callback_is_synchronous;
+
+ orig.ClearCallback();
+ WatchpointOptions *ret_val = new WatchpointOptions(orig);
+
+ orig.SetCallback(orig_callback, orig_callback_baton_sp, orig_is_sync);
+
+ return ret_val;
+}
+
+// Destructor
+WatchpointOptions::~WatchpointOptions() = default;
+
+// Callbacks
+void WatchpointOptions::SetCallback(WatchpointHitCallback callback,
+ const BatonSP &callback_baton_sp,
+ bool callback_is_synchronous) {
+ m_callback_is_synchronous = callback_is_synchronous;
+ m_callback = callback;
+ m_callback_baton_sp = callback_baton_sp;
+}
+
+void WatchpointOptions::ClearCallback() {
+ m_callback = WatchpointOptions::NullCallback;
+ m_callback_is_synchronous = false;
+ m_callback_baton_sp.reset();
+}
+
+Baton *WatchpointOptions::GetBaton() { return m_callback_baton_sp.get(); }
+
+const Baton *WatchpointOptions::GetBaton() const {
+ return m_callback_baton_sp.get();
+}
+
+bool WatchpointOptions::InvokeCallback(StoppointCallbackContext *context,
+ lldb::user_id_t watch_id) {
+ if (m_callback && context->is_synchronous == IsCallbackSynchronous()) {
+ return m_callback(m_callback_baton_sp ? m_callback_baton_sp->data()
+ : nullptr,
+ context, watch_id);
+ } else
+ return true;
+}
+
+bool WatchpointOptions::HasCallback() {
+ return m_callback != WatchpointOptions::NullCallback;
+}
+
+const ThreadSpec *WatchpointOptions::GetThreadSpecNoCreate() const {
+ return m_thread_spec_up.get();
+}
+
+ThreadSpec *WatchpointOptions::GetThreadSpec() {
+ if (m_thread_spec_up == nullptr)
+ m_thread_spec_up.reset(new ThreadSpec());
+
+ return m_thread_spec_up.get();
+}
+
+void WatchpointOptions::SetThreadID(lldb::tid_t thread_id) {
+ GetThreadSpec()->SetTID(thread_id);
+}
+
+void WatchpointOptions::GetCallbackDescription(
+ Stream *s, lldb::DescriptionLevel level) const {
+ if (m_callback_baton_sp.get()) {
+ s->EOL();
+ m_callback_baton_sp->GetDescription(s->AsRawOstream(), level,
+ s->GetIndentLevel());
+ }
+}
+
+void WatchpointOptions::GetDescription(Stream *s,
+ lldb::DescriptionLevel level) const {
+ // Figure out if there are any options not at their default value, and only
+ // print anything if there are:
+
+ if ((GetThreadSpecNoCreate() != nullptr &&
+ GetThreadSpecNoCreate()->HasSpecification())) {
+ if (level == lldb::eDescriptionLevelVerbose) {
+ s->EOL();
+ s->IndentMore();
+ s->Indent();
+ s->PutCString("Watchpoint Options:\n");
+ s->IndentMore();
+ s->Indent();
+ } else
+ s->PutCString(" Options: ");
+
+ if (m_thread_spec_up)
+ m_thread_spec_up->GetDescription(s, level);
+ else if (level == eDescriptionLevelBrief)
+ s->PutCString("thread spec: no ");
+ if (level == lldb::eDescriptionLevelFull) {
+ s->IndentLess();
+ s->IndentMore();
+ }
+ }
+
+ GetCallbackDescription(s, level);
+}
+
+void WatchpointOptions::CommandBaton::GetDescription(
+ llvm::raw_ostream &s, lldb::DescriptionLevel level,
+ unsigned indentation) const {
+ const CommandData *data = getItem();
+
+ if (level == eDescriptionLevelBrief) {
+ s << ", commands = %s"
+ << ((data && data->user_source.GetSize() > 0) ? "yes" : "no");
+ return;
+ }
+
+ indentation += 2;
+ s.indent(indentation);
+ s << "watchpoint commands:\n";
+
+ indentation += 2;
+ if (data && data->user_source.GetSize() > 0) {
+ for (const std::string &line : data->user_source) {
+ s.indent(indentation);
+ s << line << "\n";
+ }
+ } else
+ s << "No commands.\n";
+}