gprofng/libcollector/hwprofile.h

   1 /* Copyright (C) 2021 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] = (greg_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