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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
using mozilla::TimeDuration from "mozilla/TimeStamp.h";
namespace mozilla {
// The different kinds of hang entries which we're going to need to handle in
// our HangStacks.
struct HangEntryBufOffset
{
// NOTE: Don't trust this index without checking it is a valid index into
// the strbuffer, and that the buffer's last byte is a '\0'.
uint32_t index;
};
struct HangEntryModOffset
{
uint32_t module;
uint32_t offset;
};
struct HangEntryProgCounter
{
uintptr_t pc;
};
// Singleton structs for the union type.
struct HangEntryContent {};
struct HangEntryJit {};
struct HangEntryWasm {};
struct HangEntryChromeScript {};
struct HangEntrySuppressed {};
union HangEntry
{
// String representing a pseudostack or chrome JS stack.
nsCString;
// The index of the start of a string in the associated buffer.
HangEntryBufOffset;
// A module index and offset into that module.
HangEntryModOffset;
// A raw program counter which has not been mapped into a module.
HangEntryProgCounter;
// A hidden "(content script)" frame.
HangEntryContent;
// An unprocessed "(jit frame)"
HangEntryJit;
// An unprocessed "(wasm)" frame.
HangEntryWasm;
// A chrome script which didn't fit in the buffer.
HangEntryChromeScript;
// A JS frame while profiling was suppressed.
HangEntrySuppressed;
};
struct HangModule
{
// The file name, /foo/bar/libxul.so for example.
// It can contain unicode characters.
nsString name;
nsCString breakpadId;
};
struct HangStack
{
HangEntry[] stack;
int8_t[] strbuffer;
HangModule[] modules;
};
// Hang annotation information.
struct HangAnnotation
{
nsString name;
nsString value;
};
// The information about an individual hang which is sent over IPC.
struct HangDetails
{
TimeDuration duration;
nsCString process;
nsCString remoteType;
nsCString threadName;
nsCString runnableName;
HangStack stack;
HangAnnotation[] annotations;
};
} // namespace mozilla
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