/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim : set ts = 8 sts = 2 et sw = 2 tw = 80 :
* 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/. */
#ifndef jit_JitDump_h
#define jit_JitDump_h
/*
This file provides the necessary data structures to meet the JitDump
specification as of
https : //github.com/torvalds/linux/blob/f2906aa863381afb0015a9eb7fefad885d4e5a56/tools/perf/Documentation/jitdump-specification.txt
*/
namespace js {
namespace jit {
// JitDump record types
enum {
JIT_CODE_LOAD =
0 ,
JIT_CODE_MOVE,
JIT_CODE_DEBUG_INFO,
JIT_CODE_CLOSE,
JIT_CODE_UNWINDING_INFO
};
// File header
struct JitDumpHeader {
uint32_t magic;
uint32_t version;
uint32_t total_size;
uint32_t elf_mach;
uint32_t pad1;
uint32_t pid;
uint64_t timestamp;
uint64_t flags;
};
// Header for each record
struct JitDumpRecordHeader {
uint32_t id;
uint32_t total_size;
uint64_t timestamp;
};
// Load record
struct JitDumpLoadRecord {
JitDumpRecordHeader header;
// Payload
uint32_t pid;
uint32_t tid;
uint64_t vma;
uint64_t code_addr;
uint64_t code_size;
uint64_t code_index;
};
// Debug record
struct JitDumpDebugRecord {
JitDumpRecordHeader header;
// Debug header
uint64_t code_addr;
uint64_t nr_entry;
};
struct JitDumpDebugEntry {
uint64_t code_addr;
uint32_t line;
uint32_t discrim;
};
}
// namespace jit
}
// namespace js
#endif /* jit_JitDump_h */
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