| 1 | // OBSOLETE /* Native-dependent Motorola 88xxx support for GDB, the GNU Debugger. |
| 2 | // OBSOLETE Copyright 1988, 1990, 1991, 1992, 1993, 1995, 1999, 2000, 2001 |
| 3 | // OBSOLETE Free Software Foundation, Inc. |
| 4 | // OBSOLETE |
| 5 | // OBSOLETE This file is part of GDB. |
| 6 | // OBSOLETE |
| 7 | // OBSOLETE This program is free software; you can redistribute it and/or modify |
| 8 | // OBSOLETE it under the terms of the GNU General Public License as published by |
| 9 | // OBSOLETE the Free Software Foundation; either version 2 of the License, or |
| 10 | // OBSOLETE (at your option) any later version. |
| 11 | // OBSOLETE |
| 12 | // OBSOLETE This program is distributed in the hope that it will be useful, |
| 13 | // OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | // OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | // OBSOLETE GNU General Public License for more details. |
| 16 | // OBSOLETE |
| 17 | // OBSOLETE You should have received a copy of the GNU General Public License |
| 18 | // OBSOLETE along with this program; if not, write to the Free Software |
| 19 | // OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | // OBSOLETE Boston, MA 02111-1307, USA. */ |
| 21 | // OBSOLETE |
| 22 | // OBSOLETE #include "defs.h" |
| 23 | // OBSOLETE #include "frame.h" |
| 24 | // OBSOLETE #include "inferior.h" |
| 25 | // OBSOLETE #include "regcache.h" |
| 26 | // OBSOLETE |
| 27 | // OBSOLETE #include <sys/types.h> |
| 28 | // OBSOLETE #include <sys/param.h> |
| 29 | // OBSOLETE #include <sys/dir.h> |
| 30 | // OBSOLETE #include <signal.h> |
| 31 | // OBSOLETE #include "gdbcore.h" |
| 32 | // OBSOLETE #include <sys/user.h> |
| 33 | // OBSOLETE |
| 34 | // OBSOLETE #ifndef USER /* added to support BCS ptrace_user */ |
| 35 | // OBSOLETE #define USER ptrace_user |
| 36 | // OBSOLETE #endif |
| 37 | // OBSOLETE #include <sys/ioctl.h> |
| 38 | // OBSOLETE #include <fcntl.h> |
| 39 | // OBSOLETE #include <sys/file.h> |
| 40 | // OBSOLETE #include "gdb_stat.h" |
| 41 | // OBSOLETE |
| 42 | // OBSOLETE #include "symtab.h" |
| 43 | // OBSOLETE #include "setjmp.h" |
| 44 | // OBSOLETE #include "value.h" |
| 45 | // OBSOLETE |
| 46 | // OBSOLETE #ifdef DELTA88 |
| 47 | // OBSOLETE #include <sys/ptrace.h> |
| 48 | // OBSOLETE |
| 49 | // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ |
| 50 | // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u) |
| 51 | // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.sig_snip - (char *)&u) |
| 52 | // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.sig_sfip - (char *)&u) |
| 53 | // OBSOLETE #else |
| 54 | // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ |
| 55 | // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u) |
| 56 | // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u) |
| 57 | // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u) |
| 58 | // OBSOLETE #endif |
| 59 | // OBSOLETE |
| 60 | // OBSOLETE extern int have_symbol_file_p (); |
| 61 | // OBSOLETE |
| 62 | // OBSOLETE extern jmp_buf stack_jmp; |
| 63 | // OBSOLETE |
| 64 | // OBSOLETE extern int errno; |
| 65 | // OBSOLETE |
| 66 | // OBSOLETE void |
| 67 | // OBSOLETE fetch_inferior_registers (int regno) |
| 68 | // OBSOLETE { |
| 69 | // OBSOLETE register unsigned int regaddr; |
| 70 | // OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; |
| 71 | // OBSOLETE register int i; |
| 72 | // OBSOLETE |
| 73 | // OBSOLETE struct USER u; |
| 74 | // OBSOLETE unsigned int offset; |
| 75 | // OBSOLETE |
| 76 | // OBSOLETE offset = (char *) &u.pt_r0 - (char *) &u; |
| 77 | // OBSOLETE regaddr = offset; /* byte offset to r0; */ |
| 78 | // OBSOLETE |
| 79 | // OBSOLETE /* offset = ptrace (3, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */ |
| 80 | // OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) |
| 81 | // OBSOLETE { |
| 82 | // OBSOLETE /*regaddr = register_addr (regno, offset); */ |
| 83 | // OBSOLETE /* 88k enhancement */ |
| 84 | // OBSOLETE |
| 85 | // OBSOLETE for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) |
| 86 | // OBSOLETE { |
| 87 | // OBSOLETE *(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid), |
| 88 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0); |
| 89 | // OBSOLETE regaddr += sizeof (int); |
| 90 | // OBSOLETE } |
| 91 | // OBSOLETE supply_register (regno, buf); |
| 92 | // OBSOLETE } |
| 93 | // OBSOLETE /* now load up registers 36 - 38; special pc registers */ |
| 94 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 95 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0); |
| 96 | // OBSOLETE supply_register (SXIP_REGNUM, buf); |
| 97 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 98 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0); |
| 99 | // OBSOLETE supply_register (SNIP_REGNUM, buf); |
| 100 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 101 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0); |
| 102 | // OBSOLETE supply_register (SFIP_REGNUM, buf); |
| 103 | // OBSOLETE } |
| 104 | // OBSOLETE |
| 105 | // OBSOLETE /* Store our register values back into the inferior. |
| 106 | // OBSOLETE If REGNO is -1, do this for all registers. |
| 107 | // OBSOLETE Otherwise, REGNO specifies which register (so we can save time). */ |
| 108 | // OBSOLETE |
| 109 | // OBSOLETE void |
| 110 | // OBSOLETE store_inferior_registers (int regno) |
| 111 | // OBSOLETE { |
| 112 | // OBSOLETE register unsigned int regaddr; |
| 113 | // OBSOLETE char buf[80]; |
| 114 | // OBSOLETE |
| 115 | // OBSOLETE struct USER u; |
| 116 | // OBSOLETE |
| 117 | // OBSOLETE unsigned int offset = (char *) &u.pt_r0 - (char *) &u; |
| 118 | // OBSOLETE |
| 119 | // OBSOLETE regaddr = offset; |
| 120 | // OBSOLETE |
| 121 | // OBSOLETE /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either |
| 122 | // OBSOLETE svr3 doesn't run on an 88110, or the kernel isolates the different (not |
| 123 | // OBSOLETE completely sure this is true, but seems to be. */ |
| 124 | // OBSOLETE if (regno >= 0) |
| 125 | // OBSOLETE { |
| 126 | // OBSOLETE /* regaddr = register_addr (regno, offset); */ |
| 127 | // OBSOLETE if (regno < PC_REGNUM) |
| 128 | // OBSOLETE { |
| 129 | // OBSOLETE regaddr = offset + regno * sizeof (int); |
| 130 | // OBSOLETE errno = 0; |
| 131 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 132 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| 133 | // OBSOLETE if (errno != 0) |
| 134 | // OBSOLETE { |
| 135 | // OBSOLETE sprintf (buf, "writing register number %d", regno); |
| 136 | // OBSOLETE perror_with_name (buf); |
| 137 | // OBSOLETE } |
| 138 | // OBSOLETE } |
| 139 | // OBSOLETE else if (regno == SXIP_REGNUM) |
| 140 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 141 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno)); |
| 142 | // OBSOLETE else if (regno == SNIP_REGNUM) |
| 143 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 144 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno)); |
| 145 | // OBSOLETE else if (regno == SFIP_REGNUM) |
| 146 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 147 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno)); |
| 148 | // OBSOLETE else |
| 149 | // OBSOLETE printf_unfiltered ("Bad register number for store_inferior routine\n"); |
| 150 | // OBSOLETE } |
| 151 | // OBSOLETE else |
| 152 | // OBSOLETE { |
| 153 | // OBSOLETE for (regno = 0; regno < PC_REGNUM; regno++) |
| 154 | // OBSOLETE { |
| 155 | // OBSOLETE /* regaddr = register_addr (regno, offset); */ |
| 156 | // OBSOLETE errno = 0; |
| 157 | // OBSOLETE regaddr = offset + regno * sizeof (int); |
| 158 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 159 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| 160 | // OBSOLETE if (errno != 0) |
| 161 | // OBSOLETE { |
| 162 | // OBSOLETE sprintf (buf, "writing register number %d", regno); |
| 163 | // OBSOLETE perror_with_name (buf); |
| 164 | // OBSOLETE } |
| 165 | // OBSOLETE } |
| 166 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 167 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM)); |
| 168 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 169 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM)); |
| 170 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| 171 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM)); |
| 172 | // OBSOLETE } |
| 173 | // OBSOLETE } |
| 174 | // OBSOLETE |
| 175 | // OBSOLETE |
| 176 | // OBSOLETE /* blockend is the address of the end of the user structure */ |
| 177 | // OBSOLETE m88k_register_u_addr (int blockend, int regnum) |
| 178 | // OBSOLETE { |
| 179 | // OBSOLETE struct USER u; |
| 180 | // OBSOLETE int ustart = blockend - sizeof (struct USER); |
| 181 | // OBSOLETE switch (regnum) |
| 182 | // OBSOLETE { |
| 183 | // OBSOLETE case 0: |
| 184 | // OBSOLETE case 1: |
| 185 | // OBSOLETE case 2: |
| 186 | // OBSOLETE case 3: |
| 187 | // OBSOLETE case 4: |
| 188 | // OBSOLETE case 5: |
| 189 | // OBSOLETE case 6: |
| 190 | // OBSOLETE case 7: |
| 191 | // OBSOLETE case 8: |
| 192 | // OBSOLETE case 9: |
| 193 | // OBSOLETE case 10: |
| 194 | // OBSOLETE case 11: |
| 195 | // OBSOLETE case 12: |
| 196 | // OBSOLETE case 13: |
| 197 | // OBSOLETE case 14: |
| 198 | // OBSOLETE case 15: |
| 199 | // OBSOLETE case 16: |
| 200 | // OBSOLETE case 17: |
| 201 | // OBSOLETE case 18: |
| 202 | // OBSOLETE case 19: |
| 203 | // OBSOLETE case 20: |
| 204 | // OBSOLETE case 21: |
| 205 | // OBSOLETE case 22: |
| 206 | // OBSOLETE case 23: |
| 207 | // OBSOLETE case 24: |
| 208 | // OBSOLETE case 25: |
| 209 | // OBSOLETE case 26: |
| 210 | // OBSOLETE case 27: |
| 211 | // OBSOLETE case 28: |
| 212 | // OBSOLETE case 29: |
| 213 | // OBSOLETE case 30: |
| 214 | // OBSOLETE case 31: |
| 215 | // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum); |
| 216 | // OBSOLETE case PSR_REGNUM: |
| 217 | // OBSOLETE return (ustart + ((int) &u.pt_psr - (int) &u)); |
| 218 | // OBSOLETE case FPSR_REGNUM: |
| 219 | // OBSOLETE return (ustart + ((int) &u.pt_fpsr - (int) &u)); |
| 220 | // OBSOLETE case FPCR_REGNUM: |
| 221 | // OBSOLETE return (ustart + ((int) &u.pt_fpcr - (int) &u)); |
| 222 | // OBSOLETE case SXIP_REGNUM: |
| 223 | // OBSOLETE return (ustart + SXIP_OFFSET); |
| 224 | // OBSOLETE case SNIP_REGNUM: |
| 225 | // OBSOLETE return (ustart + SNIP_OFFSET); |
| 226 | // OBSOLETE case SFIP_REGNUM: |
| 227 | // OBSOLETE return (ustart + SFIP_OFFSET); |
| 228 | // OBSOLETE default: |
| 229 | // OBSOLETE if (regnum < NUM_REGS) |
| 230 | // OBSOLETE /* The register is one of those which is not defined... |
| 231 | // OBSOLETE give it zero */ |
| 232 | // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u)); |
| 233 | // OBSOLETE else |
| 234 | // OBSOLETE return (blockend + REGISTER_SIZE * regnum); |
| 235 | // OBSOLETE } |
| 236 | // OBSOLETE } |
| 237 | // OBSOLETE |
| 238 | // OBSOLETE #ifdef USE_PROC_FS |
| 239 | // OBSOLETE |
| 240 | // OBSOLETE #include <sys/procfs.h> |
| 241 | // OBSOLETE |
| 242 | // OBSOLETE /* Prototypes for supply_gregset etc. */ |
| 243 | // OBSOLETE #include "gregset.h" |
| 244 | // OBSOLETE |
| 245 | // OBSOLETE /* Given a pointer to a general register set in /proc format (gregset_t *), |
| 246 | // OBSOLETE unpack the register contents and supply them as gdb's idea of the current |
| 247 | // OBSOLETE register values. */ |
| 248 | // OBSOLETE |
| 249 | // OBSOLETE void |
| 250 | // OBSOLETE supply_gregset (gregset_t *gregsetp) |
| 251 | // OBSOLETE { |
| 252 | // OBSOLETE register int regi; |
| 253 | // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; |
| 254 | // OBSOLETE |
| 255 | // OBSOLETE for (regi = 0; regi <= SP_REGNUM; regi++) |
| 256 | // OBSOLETE supply_register (regi, (char *) (regp + regi)); |
| 257 | // OBSOLETE |
| 258 | // OBSOLETE supply_register (SXIP_REGNUM, (char *) (regp + R_XIP)); |
| 259 | // OBSOLETE supply_register (SNIP_REGNUM, (char *) (regp + R_NIP)); |
| 260 | // OBSOLETE supply_register (SFIP_REGNUM, (char *) (regp + R_FIP)); |
| 261 | // OBSOLETE supply_register (PSR_REGNUM, (char *) (regp + R_PSR)); |
| 262 | // OBSOLETE supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR)); |
| 263 | // OBSOLETE supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR)); |
| 264 | // OBSOLETE } |
| 265 | // OBSOLETE |
| 266 | // OBSOLETE void |
| 267 | // OBSOLETE fill_gregset (gregset_t *gregsetp, int regno) |
| 268 | // OBSOLETE { |
| 269 | // OBSOLETE int regi; |
| 270 | // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; |
| 271 | // OBSOLETE |
| 272 | // OBSOLETE for (regi = 0; regi <= R_R31; regi++) |
| 273 | // OBSOLETE if ((regno == -1) || (regno == regi)) |
| 274 | // OBSOLETE *(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)]; |
| 275 | // OBSOLETE |
| 276 | // OBSOLETE if ((regno == -1) || (regno == SXIP_REGNUM)) |
| 277 | // OBSOLETE *(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)]; |
| 278 | // OBSOLETE if ((regno == -1) || (regno == SNIP_REGNUM)) |
| 279 | // OBSOLETE *(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)]; |
| 280 | // OBSOLETE if ((regno == -1) || (regno == SFIP_REGNUM)) |
| 281 | // OBSOLETE *(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)]; |
| 282 | // OBSOLETE if ((regno == -1) || (regno == PSR_REGNUM)) |
| 283 | // OBSOLETE *(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)]; |
| 284 | // OBSOLETE if ((regno == -1) || (regno == FPSR_REGNUM)) |
| 285 | // OBSOLETE *(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)]; |
| 286 | // OBSOLETE if ((regno == -1) || (regno == FPCR_REGNUM)) |
| 287 | // OBSOLETE *(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)]; |
| 288 | // OBSOLETE } |
| 289 | // OBSOLETE |
| 290 | // OBSOLETE #endif /* USE_PROC_FS */ |