mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
32f98aab75
Tidy instruction buffer size usage in preparation for copying the instruction bytes onto samples. The instruction buffer is presently used for debugging, so rename its size macro from INTEL_PT_INSN_DBG_BUF_SZ to INTEL_PT_INSN_BUF_SZ, and use it everywhere. Note that the maximum instruction size is 15 which is a less efficient size to copy than 16, which is why a separate buffer size is used. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1475847747-30994-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* intel_pt_insn_decoder.h: Intel Processor Trace support
|
|
* Copyright (c) 2013-2014, Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
*/
|
|
|
|
#ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__
|
|
#define INCLUDE__INTEL_PT_INSN_DECODER_H__
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#define INTEL_PT_INSN_DESC_MAX 32
|
|
#define INTEL_PT_INSN_BUF_SZ 16
|
|
|
|
enum intel_pt_insn_op {
|
|
INTEL_PT_OP_OTHER,
|
|
INTEL_PT_OP_CALL,
|
|
INTEL_PT_OP_RET,
|
|
INTEL_PT_OP_JCC,
|
|
INTEL_PT_OP_JMP,
|
|
INTEL_PT_OP_LOOP,
|
|
INTEL_PT_OP_IRET,
|
|
INTEL_PT_OP_INT,
|
|
INTEL_PT_OP_SYSCALL,
|
|
INTEL_PT_OP_SYSRET,
|
|
};
|
|
|
|
enum intel_pt_insn_branch {
|
|
INTEL_PT_BR_NO_BRANCH,
|
|
INTEL_PT_BR_INDIRECT,
|
|
INTEL_PT_BR_CONDITIONAL,
|
|
INTEL_PT_BR_UNCONDITIONAL,
|
|
};
|
|
|
|
struct intel_pt_insn {
|
|
enum intel_pt_insn_op op;
|
|
enum intel_pt_insn_branch branch;
|
|
int length;
|
|
int32_t rel;
|
|
unsigned char buf[INTEL_PT_INSN_BUF_SZ];
|
|
};
|
|
|
|
int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
|
|
struct intel_pt_insn *intel_pt_insn);
|
|
|
|
const char *intel_pt_insn_name(enum intel_pt_insn_op op);
|
|
|
|
int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
|
|
size_t buf_len);
|
|
|
|
int intel_pt_insn_type(enum intel_pt_insn_op op);
|
|
|
|
#endif
|