1  /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
       2     Contributed by Oracle.
       3  
       4     This file is part of GNU Binutils.
       5  
       6     This program is free software; you can redistribute it and/or modify
       7     it under the terms of the GNU General Public License as published by
       8     the Free Software Foundation; either version 3, or (at your option)
       9     any later version.
      10  
      11     This program is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14     GNU General Public License for more details.
      15  
      16     You should have received a copy of the GNU General Public License
      17     along with this program; if not, write to the Free Software
      18     Foundation, 51 Franklin Street - Fifth Floor, Boston,
      19     MA 02110-1301, USA.  */
      20  
      21  #ifndef _HWPROFILE_H
      22  #define _HWPROFILE_H
      23  
      24  #include <data_pckts.h>
      25  
      26  typedef struct Hwcntr_packet
      27  { /* HW counter profiling packet */
      28    Common_packet comm;
      29    uint32_t tag;         /* hw counter index, register */
      30    uint64_t interval;    /* overflow value */
      31  } Hwcntr_packet;
      32  
      33  typedef struct MHwcntr_packet
      34  { /* extended (superset) Hwcntr_packet */
      35    Common_packet comm;
      36    uint32_t   tag;           /* hw counter index, register */
      37    uint64_t   interval;      /* overflow value */
      38    Vaddr_type ea_vaddr;      /* virtual addr causing HWC event */
      39    Vaddr_type pc_vaddr;      /* candidate eventPC  */
      40    uint64_t   ea_paddr;      /* physical address for ea_vaddr */
      41    uint64_t   pc_paddr;      /* physical address for pc_vaddr */
      42    uint64_t   ea_pagesz;     /* pagesz (bytes) for ea_paddr */
      43    uint64_t   pc_pagesz;     /* pagesz (bytes) for pc_paddr */
      44    uint32_t   ea_lgrp;       /* latency group of ea_paddr */
      45    uint32_t   pc_lgrp;       /* latency group of pc_paddr */
      46    uint32_t   lgrp_lwp;      /* locality group of lwp */
      47    uint32_t   lgrp_ps;       /* locality group of process */
      48    uint64_t   latency;       /* latency in cycles (sampling only) */
      49    uint64_t   data_source;   /* data source (sampling only) */
      50  } MHwcntr_packet;
      51  
      52  #if ARCH(SPARC)
      53  #define CONTEXT_PC MC_PC
      54  #define CONTEXT_SP MC_O6
      55  #define CONTEXT_FP MC_O7
      56  #define SETFUNCTIONCONTEXT(ucp,funcp) \
      57      (ucp)->uc_mcontext.gregs[CONTEXT_PC] = (greg_t)(funcp); \
      58      (ucp)->uc_mcontext.gregs[CONTEXT_SP] = 0; \
      59      (ucp)->uc_mcontext.gregs[CONTEXT_FP] = 0;
      60  
      61  #elif ARCH(Intel)
      62  #include <sys/reg.h>
      63  
      64  #if WSIZE(64)
      65  #define CONTEXT_PC REG_RIP
      66  #define CONTEXT_FP REG_RBP
      67  #define CONTEXT_SP REG_RSP
      68  
      69  #elif WSIZE(32)
      70  #define CONTEXT_PC REG_EIP
      71  #define CONTEXT_FP REG_EBP
      72  #define CONTEXT_SP REG_ESP
      73  #endif /* WSIZE() */
      74  #define SETFUNCTIONCONTEXT(ucp,funcp) \
      75      (ucp)->uc_mcontext.gregs[CONTEXT_PC] = (intptr_t)(funcp); \
      76      (ucp)->uc_mcontext.gregs[CONTEXT_SP] = 0; \
      77      (ucp)->uc_mcontext.gregs[CONTEXT_FP] = 0;
      78  
      79  #elif ARCH(Aarch64)
      80  #define CONTEXT_PC 15
      81  #define CONTEXT_FP 14
      82  #define CONTEXT_SP 13
      83  #define SETFUNCTIONCONTEXT(ucp,funcp) \
      84      (ucp)->uc_mcontext.regs[CONTEXT_PC] = (greg_t)(funcp); \
      85      (ucp)->uc_mcontext.regs[CONTEXT_SP] = 0; \
      86      (ucp)->uc_mcontext.regs[CONTEXT_FP] = 0;
      87  #endif /* ARCH() */
      88  
      89  #endif