[deliverable/linux.git] / tools / perf / util / jitdump.h

/*
 * 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 <sys/time.h>
#include <time.h>
#include <stdint.h>

/* JiTD */
#define JITHEADER_MAGIC		0x4A695444
#define JITHEADER_MAGIC_SW	0x4454694A

#define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7)

#define JITHEADER_VERSION 1

enum jitdump_flags_bits {
	JITDUMP_FLAGS_MAX_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_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[0]; /* 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[0];
};

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;
};

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 */
Commit	Line	Data
9b07e27f SE	1	/*
	2	* jitdump.h: jitted code info encapsulation file format
	3	*
	4	* Adapted from OProfile GPLv2 support jidump.h:
	5	* Copyright 2007 OProfile authors
	6	* Jens Wilke
	7	* Daniel Hansel
	8	* Copyright IBM Corporation 2007
	9	*/
	10	#ifndef JITDUMP_H
	11	#define JITDUMP_H
	12
	13	#include <sys/time.h>
	14	#include <time.h>
	15	#include <stdint.h>
	16
	17	/* JiTD */
	18	#define JITHEADER_MAGIC 0x4A695444
	19	#define JITHEADER_MAGIC_SW 0x4454694A
	20
	21	#define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7)
	22
	23	#define JITHEADER_VERSION 1
	24
	25	enum jitdump_flags_bits {
	26	JITDUMP_FLAGS_MAX_BIT,
	27	};
	28
	29	#define JITDUMP_FLAGS_RESERVED (JITDUMP_FLAGS_MAX_BIT < 64 ? \
	30	(~((1ULL << JITDUMP_FLAGS_MAX_BIT) - 1)) : 0)
	31
	32	struct jitheader {
	33	uint32_t magic; /* characters "jItD" */
	34	uint32_t version; /* header version */
	35	uint32_t total_size; /* total size of header */
	36	uint32_t elf_mach; /* elf mach target */
	37	uint32_t pad1; /* reserved */
	38	uint32_t pid; /* JIT process id */
	39	uint64_t timestamp; /* timestamp */
	40	uint64_t flags; /* flags */
	41	};
	42
	43	enum jit_record_type {
	44	JIT_CODE_LOAD = 0,
	45	JIT_CODE_MOVE = 1,
	46	JIT_CODE_DEBUG_INFO = 2,
	47	JIT_CODE_CLOSE = 3,
	48
	49	JIT_CODE_MAX,
	50	};
	51
	52	/* record prefix (mandatory in each record) */
	53	struct jr_prefix {
	54	uint32_t id;
	55	uint32_t total_size;
	56	uint64_t timestamp;
	57	};
	58
	59	struct jr_code_load {
	60	struct jr_prefix p;
	61
	62	uint32_t pid;
	63	uint32_t tid;
	64	uint64_t vma;
65	uint64_t code_addr;
66	uint64_t code_size;
67	uint64_t code_index;
68	};
69
70	struct jr_code_close {
71	struct jr_prefix p;
72	};
73
74	struct jr_code_move {
75	struct jr_prefix p;
76
77	uint32_t pid;
78	uint32_t tid;
79	uint64_t vma;
80	uint64_t old_code_addr;
81	uint64_t new_code_addr;
82	uint64_t code_size;
83	uint64_t code_index;
84	};
85
86	struct debug_entry {
87	uint64_t addr;
88	int lineno; /* source line number starting at 1 */
89	int discrim; /* column discriminator, 0 is default */
90	const char name[0]; /* null terminated filename, \xff\0 if same as previous entry */
91	};
92
93	struct jr_code_debug_info {
94	struct jr_prefix p;
95
96	uint64_t code_addr;
97	uint64_t nr_entry;
98	struct debug_entry entries[0];
99	};
100
101	union jr_entry {
102	struct jr_code_debug_info info;
103	struct jr_code_close close;
104	struct jr_code_load load;
105	struct jr_code_move move;
106	struct jr_prefix prefix;
107	};
108
109	static inline struct debug_entry *
110	debug_entry_next(struct debug_entry *ent)
111	{
112	void *a = ent + 1;
113	size_t l = strlen(ent->name) + 1;
114	return a + l;
115	}
116
117	static inline char *
118	debug_entry_file(struct debug_entry *ent)
119	{
120	void *a = ent + 1;
121	return a;
122	}
123
124	#endif /* !JITDUMP_H */