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/* Copyright (C) 2021 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef _HWPROFILE_H
#define _HWPROFILE_H
#include <data_pckts.h>
typedef struct Hwcntr_packet
{ /* HW counter profiling packet */
Common_packet comm;
uint32_t tag; /* hw counter index, register */
uint64_t interval; /* overflow value */
} Hwcntr_packet;
typedef struct MHwcntr_packet
{ /* extended (superset) Hwcntr_packet */
Common_packet comm;
uint32_t tag; /* hw counter index, register */
uint64_t interval; /* overflow value */
Vaddr_type ea_vaddr; /* virtual addr causing HWC event */
Vaddr_type pc_vaddr; /* candidate eventPC */
uint64_t ea_paddr; /* physical address for ea_vaddr */
uint64_t pc_paddr; /* physical address for pc_vaddr */
uint64_t ea_pagesz; /* pagesz (bytes) for ea_paddr */
uint64_t pc_pagesz; /* pagesz (bytes) for pc_paddr */
uint32_t ea_lgrp; /* latency group of ea_paddr */
uint32_t pc_lgrp; /* latency group of pc_paddr */
uint32_t lgrp_lwp; /* locality group of lwp */
uint32_t lgrp_ps; /* locality group of process */
uint64_t latency; /* latency in cycles (sampling only) */
uint64_t data_source; /* data source (sampling only) */
} MHwcntr_packet;
#if ARCH(SPARC)
#define CONTEXT_PC MC_PC
#define CONTEXT_SP MC_O6
#define CONTEXT_FP MC_O7
#define SETFUNCTIONCONTEXT(ucp,funcp) \
(ucp)->uc_mcontext.gregs[CONTEXT_PC] = (greg_t)(funcp); \
(ucp)->uc_mcontext.gregs[CONTEXT_SP] = 0; \
(ucp)->uc_mcontext.gregs[CONTEXT_FP] = 0;
#elif ARCH(Intel)
#include <sys/reg.h>
#if WSIZE(64)
#define CONTEXT_PC REG_RIP
#define CONTEXT_FP REG_RBP
#define CONTEXT_SP REG_RSP
#elif WSIZE(32)
#define CONTEXT_PC REG_EIP
#define CONTEXT_FP REG_EBP
#define CONTEXT_SP REG_ESP
#endif /* WSIZE() */
#define SETFUNCTIONCONTEXT(ucp,funcp) \
(ucp)->uc_mcontext.gregs[CONTEXT_PC] = (greg_t)(funcp); \
(ucp)->uc_mcontext.gregs[CONTEXT_SP] = 0; \
(ucp)->uc_mcontext.gregs[CONTEXT_FP] = 0;
#elif ARCH(Aarch64)
#define CONTEXT_PC 15
#define CONTEXT_FP 14
#define CONTEXT_SP 13
#define SETFUNCTIONCONTEXT(ucp,funcp) \
(ucp)->uc_mcontext.regs[CONTEXT_PC] = (greg_t)(funcp); \
(ucp)->uc_mcontext.regs[CONTEXT_SP] = 0; \
(ucp)->uc_mcontext.regs[CONTEXT_FP] = 0;
#endif /* ARCH() */
#endif
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