mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
b15f321b9f
Based on 1 normalized pattern(s): adapted from oprofile gplv2 support extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to add the SPDX license identifier to 1 file(s) Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081204.397687630@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
141 lines
2.9 KiB
C
141 lines
2.9 KiB
C
/* 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 <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 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[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];
|
|
};
|
|
|
|
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[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;
|
|
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 */
|