/* 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 */