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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140/* SPDX-License-Identifier: GPL-2.0-only *//* * jitdump.h: jitted code info encapsulation file format * * Adapted from OProfile GPLv2 support jidump.h: * Copyright 2007 OProfile authors * Jens Wilke * Daniel Hansel * Copyright IBM Corporation 2007 */#ifndef JITDUMP_H#define JITDUMP_H
#include <stdint.h>#include <string.h>
/* JiTD */#define JITHEADER_MAGIC 0x4A695444#define JITHEADER_MAGIC_SW 0x4454694A
#define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7)#define ALIGN_8(x) (((x) + 7) & (~7))
#define JITHEADER_VERSION 1
enum jitdump_flags_bits { JITDUMP_FLAGS_ARCH_TIMESTAMP_BIT, JITDUMP_FLAGS_MAX_BIT,};
#define JITDUMP_FLAGS_ARCH_TIMESTAMP (1ULL << JITDUMP_FLAGS_ARCH_TIMESTAMP_BIT)
#define JITDUMP_FLAGS_RESERVED (JITDUMP_FLAGS_MAX_BIT < 64 ? \ (~((1ULL << JITDUMP_FLAGS_MAX_BIT) - 1)) : 0)
struct jitheader { uint32_t magic; /* characters "jItD" */ uint32_t version; /* header version */ uint32_t total_size; /* total size of header */ uint32_t elf_mach; /* elf mach target */ uint32_t pad1; /* reserved */ uint32_t pid; /* JIT process id */ uint64_t timestamp; /* timestamp */ uint64_t flags; /* flags */};
enum jit_record_type { JIT_CODE_LOAD = 0, JIT_CODE_MOVE = 1, JIT_CODE_DEBUG_INFO = 2, JIT_CODE_CLOSE = 3, JIT_CODE_UNWINDING_INFO = 4,
JIT_CODE_MAX,};
/* record prefix (mandatory in each record) */struct jr_prefix { uint32_t id; uint32_t total_size; uint64_t timestamp;};
struct jr_code_load { struct jr_prefix p;
uint32_t pid; uint32_t tid; uint64_t vma; uint64_t code_addr; uint64_t code_size; uint64_t code_index;};
struct jr_code_close { struct jr_prefix p;};
struct jr_code_move { struct jr_prefix p;
uint32_t pid; uint32_t tid; uint64_t vma; uint64_t old_code_addr; uint64_t new_code_addr; uint64_t code_size; uint64_t code_index;};
struct debug_entry { uint64_t addr; int lineno; /* source line number starting at 1 */ int discrim; /* column discriminator, 0 is default */ const char name[]; /* null terminated filename, \xff\0 if same as previous entry */};
struct jr_code_debug_info { struct jr_prefix p;
uint64_t code_addr; uint64_t nr_entry; struct debug_entry entries[];};
struct jr_code_unwinding_info { struct jr_prefix p;
uint64_t unwinding_size; uint64_t eh_frame_hdr_size; uint64_t mapped_size; const char unwinding_data[];};
union jr_entry { struct jr_code_debug_info info; struct jr_code_close close; struct jr_code_load load; struct jr_code_move move; struct jr_prefix prefix; struct jr_code_unwinding_info unwinding;};
static inline struct debug_entry *debug_entry_next(struct debug_entry *ent){ void *a = ent + 1; size_t l = strlen(ent->name) + 1; return a + l;}
static inline char *debug_entry_file(struct debug_entry *ent){ void *a = ent + 1; return a;}
#endif /* !JITDUMP_H */