| 1 | /* Low level interface to IA-64 running AIX for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 2000, 2001, 2003 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "inferior.h" |
| 24 | #include "target.h" |
| 25 | #include "gdbcore.h" |
| 26 | #include "regcache.h" |
| 27 | #include <sys/procfs.h> |
| 28 | |
| 29 | #include "symtab.h" |
| 30 | #include "bfd.h" |
| 31 | #include "symfile.h" |
| 32 | #include "objfiles.h" |
| 33 | |
| 34 | #include <sys/types.h> |
| 35 | #include <fcntl.h> |
| 36 | #include "gdb_stat.h" |
| 37 | |
| 38 | void |
| 39 | supply_gregset (prgregset_t *gregsetp) |
| 40 | { |
| 41 | int regi; |
| 42 | |
| 43 | for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++) |
| 44 | { |
| 45 | regcache_raw_supply (current_regcache, regi, |
| 46 | (char *) &(gregsetp->__gpr[regi - IA64_GR0_REGNUM])); |
| 47 | } |
| 48 | |
| 49 | for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++) |
| 50 | { |
| 51 | regcache_raw_supply (current_regcache, regi, |
| 52 | (char *) &(gregsetp->__br[regi - IA64_BR0_REGNUM])); |
| 53 | } |
| 54 | |
| 55 | regcache_raw_supply (current_regcache, IA64_PSR_REGNUM, |
| 56 | (char *) &(gregsetp->__psr)); |
| 57 | regcache_raw_supply (current_regcache, IA64_IP_REGNUM, |
| 58 | (char *) &(gregsetp->__ip)); |
| 59 | regcache_raw_supply (current_regcache, IA64_CFM_REGNUM, |
| 60 | (char *) &(gregsetp->__ifs)); |
| 61 | regcache_raw_supply (current_regcache, IA64_RSC_REGNUM, |
| 62 | (char *) &(gregsetp->__rsc)); |
| 63 | regcache_raw_supply (current_regcache, IA64_BSP_REGNUM, |
| 64 | (char *) &(gregsetp->__bsp)); |
| 65 | regcache_raw_supply (current_regcache, IA64_BSPSTORE_REGNUM, |
| 66 | (char *) &(gregsetp->__bspstore)); |
| 67 | regcache_raw_supply (current_regcache, IA64_RNAT_REGNUM, |
| 68 | (char *) &(gregsetp->__rnat)); |
| 69 | regcache_raw_supply (current_regcache, IA64_PFS_REGNUM, |
| 70 | (char *) &(gregsetp->__pfs)); |
| 71 | regcache_raw_supply (current_regcache, IA64_UNAT_REGNUM, |
| 72 | (char *) &(gregsetp->__unat)); |
| 73 | regcache_raw_supply (current_regcache, IA64_PR_REGNUM, |
| 74 | (char *) &(gregsetp->__preds)); |
| 75 | regcache_raw_supply (current_regcache, IA64_CCV_REGNUM, |
| 76 | (char *) &(gregsetp->__ccv)); |
| 77 | regcache_raw_supply (current_regcache, IA64_LC_REGNUM, |
| 78 | (char *) &(gregsetp->__lc)); |
| 79 | regcache_raw_supply (current_regcache, IA64_EC_REGNUM, |
| 80 | (char *) &(gregsetp->__ec)); |
| 81 | /* FIXME: __nats */ |
| 82 | regcache_raw_supply (current_regcache, IA64_FPSR_REGNUM, |
| 83 | (char *) &(gregsetp->__fpsr)); |
| 84 | |
| 85 | /* These (for the most part) are pseudo registers and are obtained |
| 86 | by other means. Those that aren't are already handled by the |
| 87 | code above. */ |
| 88 | for (regi = IA64_GR32_REGNUM; regi <= IA64_GR127_REGNUM; regi++) |
| 89 | deprecated_register_valid[regi] = 1; |
| 90 | for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++) |
| 91 | deprecated_register_valid[regi] = 1; |
| 92 | for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++) |
| 93 | deprecated_register_valid[regi] = 1; |
| 94 | } |
| 95 | |
| 96 | void |
| 97 | fill_gregset (prgregset_t *gregsetp, int regno) |
| 98 | { |
| 99 | int regi; |
| 100 | |
| 101 | #define COPY_REG(_fld_,_regi_) \ |
| 102 | if ((regno == -1) || regno == _regi_) \ |
| 103 | memcpy (&(gregsetp->_fld_), &deprecated_registers[DEPRECATED_REGISTER_BYTE (_regi_)], \ |
| 104 | register_size (current_gdbarch, _regi_)) |
| 105 | |
| 106 | for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++) |
| 107 | { |
| 108 | COPY_REG (__gpr[regi - IA64_GR0_REGNUM], regi); |
| 109 | } |
| 110 | |
| 111 | for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++) |
| 112 | { |
| 113 | COPY_REG (__br[regi - IA64_BR0_REGNUM], regi); |
| 114 | } |
| 115 | COPY_REG (__psr, IA64_PSR_REGNUM); |
| 116 | COPY_REG (__ip, IA64_IP_REGNUM); |
| 117 | COPY_REG (__ifs, IA64_CFM_REGNUM); |
| 118 | COPY_REG (__rsc, IA64_RSC_REGNUM); |
| 119 | COPY_REG (__bsp, IA64_BSP_REGNUM); |
| 120 | |
| 121 | /* Bad things happen if we don't update both bsp and bspstore at the |
| 122 | same time. */ |
| 123 | if (regno == IA64_BSP_REGNUM || regno == -1) |
| 124 | { |
| 125 | memcpy (&(gregsetp->__bspstore), |
| 126 | &deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSP_REGNUM)], |
| 127 | register_size (current_gdbarch, IA64_BSP_REGNUM)); |
| 128 | memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSPSTORE_REGNUM)], |
| 129 | &deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSP_REGNUM)], |
| 130 | register_size (current_gdbarch, IA64_BSP_REGNUM)); |
| 131 | } |
| 132 | |
| 133 | #if 0 |
| 134 | /* We never actually write to bspstore, or we'd have to do the same thing |
| 135 | here too. */ |
| 136 | COPY_REG (__bspstore, IA64_BSPSTORE_REGNUM); |
| 137 | #endif |
| 138 | COPY_REG (__rnat, IA64_RNAT_REGNUM); |
| 139 | COPY_REG (__pfs, IA64_PFS_REGNUM); |
| 140 | COPY_REG (__unat, IA64_UNAT_REGNUM); |
| 141 | COPY_REG (__preds, IA64_PR_REGNUM); |
| 142 | COPY_REG (__ccv, IA64_CCV_REGNUM); |
| 143 | COPY_REG (__lc, IA64_LC_REGNUM); |
| 144 | COPY_REG (__ec, IA64_EC_REGNUM); |
| 145 | /* FIXME: __nats */ |
| 146 | COPY_REG (__fpsr, IA64_FPSR_REGNUM); |
| 147 | #undef COPY_REG |
| 148 | } |
| 149 | |
| 150 | void |
| 151 | supply_fpregset (prfpregset_t *fpregsetp) |
| 152 | { |
| 153 | int regi; |
| 154 | |
| 155 | for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++) |
| 156 | regcache_raw_supply (current_regcache, regi, |
| 157 | (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM])); |
| 158 | } |
| 159 | |
| 160 | void |
| 161 | fill_fpregset (prfpregset_t *fpregsetp, int regno) |
| 162 | { |
| 163 | int regi; |
| 164 | char *to; |
| 165 | char *from; |
| 166 | |
| 167 | for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++) |
| 168 | { |
| 169 | if ((regno == -1) || (regno == regi)) |
| 170 | { |
| 171 | from = (char *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (regi)]; |
| 172 | to = (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]); |
| 173 | memcpy (to, from, register_size (current_gdbarch, regi)); |
| 174 | } |
| 175 | } |
| 176 | } |