| 1 | /* OBSOLETE /* Low level interface to ns532 running mach 3.0. */ |
| 2 | /* OBSOLETE Copyright 1992, 1993, 1998, 2000, 2001 Free Software Foundation, Inc. */ |
| 3 | /* OBSOLETE */ |
| 4 | /* OBSOLETE This file is part of GDB. */ |
| 5 | /* OBSOLETE */ |
| 6 | /* OBSOLETE This program is free software; you can redistribute it and/or modify */ |
| 7 | /* OBSOLETE it under the terms of the GNU General Public License as published by */ |
| 8 | /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ |
| 9 | /* OBSOLETE (at your option) any later version. */ |
| 10 | /* OBSOLETE */ |
| 11 | /* OBSOLETE This program is distributed in the hope that it will be useful, */ |
| 12 | /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
| 13 | /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ |
| 14 | /* OBSOLETE GNU General Public License for more details. */ |
| 15 | /* OBSOLETE */ |
| 16 | /* OBSOLETE You should have received a copy of the GNU General Public License */ |
| 17 | /* OBSOLETE along with this program; if not, write to the Free Software */ |
| 18 | /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ |
| 19 | /* OBSOLETE Boston, MA 02111-1307, USA. */ */ |
| 20 | /* OBSOLETE */ |
| 21 | /* OBSOLETE#include "defs.h" */ |
| 22 | /* OBSOLETE#include "inferior.h" */ |
| 23 | /* OBSOLETE#include "regcache.h" */ |
| 24 | /* OBSOLETE */ |
| 25 | /* OBSOLETE#include <stdio.h> */ |
| 26 | /* OBSOLETE */ |
| 27 | /* OBSOLETE#include <mach.h> */ |
| 28 | /* OBSOLETE#include <mach/message.h> */ |
| 29 | /* OBSOLETE#include <mach/exception.h> */ |
| 30 | /* OBSOLETE#include <mach_error.h> */ |
| 31 | /* OBSOLETE */ |
| 32 | /* OBSOLETE#define private static */ |
| 33 | /* OBSOLETE\f */ |
| 34 | /* OBSOLETE */ |
| 35 | /* OBSOLETE/* Find offsets to thread states at compile time. */ |
| 36 | /* OBSOLETE * If your compiler does not grok this, calculate offsets */ |
| 37 | /* OBSOLETE * offsets yourself and use them (or get a compatible compiler :-) */ |
| 38 | /* OBSOLETE */ */ |
| 39 | /* OBSOLETE */ |
| 40 | /* OBSOLETE#define REG_N_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->ts.reg) */ |
| 41 | /* OBSOLETE#define REG_F_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->fs.reg) */ |
| 42 | /* OBSOLETE */ |
| 43 | /* OBSOLETE/* at reg_offset[i] is the offset to the ns532_combined_state */ |
| 44 | /* OBSOLETE * location where the gdb registers[i] is stored. */ |
| 45 | /* OBSOLETE */ */ |
| 46 | /* OBSOLETE */ |
| 47 | /* OBSOLETEstatic int reg_offset[] = */ |
| 48 | /* OBSOLETE{ */ |
| 49 | /* OBSOLETE REG_N_OFFSET (r0), REG_N_OFFSET (r1), REG_N_OFFSET (r2), REG_N_OFFSET (r3), */ |
| 50 | /* OBSOLETE REG_N_OFFSET (r4), REG_N_OFFSET (r5), REG_N_OFFSET (r6), REG_N_OFFSET (r7), */ |
| 51 | /* OBSOLETE REG_F_OFFSET (l0a), REG_F_OFFSET (l0b), REG_F_OFFSET (l2a), REG_F_OFFSET (l2b), */ |
| 52 | /* OBSOLETE REG_F_OFFSET (l4a), REG_F_OFFSET (l4b), REG_F_OFFSET (l6a), REG_F_OFFSET (l6b), */ |
| 53 | /* OBSOLETEREG_N_OFFSET (sp), REG_N_OFFSET (fp), REG_N_OFFSET (pc), REG_N_OFFSET (psr), */ |
| 54 | /* OBSOLETE REG_F_OFFSET (fsr), */ |
| 55 | /* OBSOLETE REG_F_OFFSET (l0a), REG_F_OFFSET (l1a), REG_F_OFFSET (l2a), REG_F_OFFSET (l3a), */ |
| 56 | /* OBSOLETE REG_F_OFFSET (l4a), REG_F_OFFSET (l5a), REG_F_OFFSET (l6a), REG_F_OFFSET (l7a), */ |
| 57 | /* OBSOLETE}; */ |
| 58 | /* OBSOLETE */ |
| 59 | /* OBSOLETE#define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum]) */ |
| 60 | /* OBSOLETE */ |
| 61 | /* OBSOLETE/* Fetch COUNT contiguous registers from thread STATE starting from REGNUM */ |
| 62 | /* OBSOLETE * Caller knows that the regs handled in one transaction are of same size. */ |
| 63 | /* OBSOLETE */ */ |
| 64 | /* OBSOLETE#define FETCH_REGS(state, regnum, count) \ */ |
| 65 | /* OBSOLETE memcpy (®isters[REGISTER_BYTE (regnum)], \ */ |
| 66 | /* OBSOLETE (char *)state+reg_offset[ regnum ], \ */ |
| 67 | /* OBSOLETE count*REGISTER_SIZE) */ |
| 68 | /* OBSOLETE */ |
| 69 | /* OBSOLETE/* Store COUNT contiguous registers to thread STATE starting from REGNUM */ */ |
| 70 | /* OBSOLETE#define STORE_REGS(state, regnum, count) \ */ |
| 71 | /* OBSOLETE memcpy ((char *)state+reg_offset[ regnum ], \ */ |
| 72 | /* OBSOLETE ®isters[REGISTER_BYTE (regnum)], \ */ |
| 73 | /* OBSOLETE count*REGISTER_SIZE) */ |
| 74 | /* OBSOLETE\f */ |
| 75 | /* OBSOLETE/* */ |
| 76 | /* OBSOLETE * Fetch inferiors registers for gdb. */ |
| 77 | /* OBSOLETE * REGNO specifies which (as gdb views it) register, -1 for all. */ |
| 78 | /* OBSOLETE */ */ |
| 79 | /* OBSOLETE */ |
| 80 | /* OBSOLETEvoid */ |
| 81 | /* OBSOLETEfetch_inferior_registers (int regno) */ |
| 82 | /* OBSOLETE{ */ |
| 83 | /* OBSOLETE kern_return_t ret; */ |
| 84 | /* OBSOLETE thread_state_data_t state; */ |
| 85 | /* OBSOLETE unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; */ |
| 86 | /* OBSOLETE int index; */ |
| 87 | /* OBSOLETE */ |
| 88 | /* OBSOLETE if (!MACH_PORT_VALID (current_thread)) */ |
| 89 | /* OBSOLETE error ("fetch inferior registers: Invalid thread"); */ |
| 90 | /* OBSOLETE */ |
| 91 | /* OBSOLETE if (must_suspend_thread) */ |
| 92 | /* OBSOLETE setup_thread (current_thread, 1); */ |
| 93 | /* OBSOLETE */ |
| 94 | /* OBSOLETE ret = thread_get_state (current_thread, */ |
| 95 | /* OBSOLETE NS532_COMBINED_STATE, */ |
| 96 | /* OBSOLETE state, */ |
| 97 | /* OBSOLETE &stateCnt); */ |
| 98 | /* OBSOLETE */ |
| 99 | /* OBSOLETE if (ret != KERN_SUCCESS) */ |
| 100 | /* OBSOLETE warning ("fetch_inferior_registers: %s ", */ |
| 101 | /* OBSOLETE mach_error_string (ret)); */ |
| 102 | /* OBSOLETE#if 0 */ |
| 103 | /* OBSOLETE /* It may be more effective to store validate all of them, */ |
| 104 | /* OBSOLETE * since we fetched them all anyway */ |
| 105 | /* OBSOLETE */ */ |
| 106 | /* OBSOLETE else if (regno != -1) */ |
| 107 | /* OBSOLETE supply_register (regno, (char *) state + reg_offset[regno]); */ |
| 108 | /* OBSOLETE#endif */ |
| 109 | /* OBSOLETE else */ |
| 110 | /* OBSOLETE { */ |
| 111 | /* OBSOLETE for (index = 0; index < NUM_REGS; index++) */ |
| 112 | /* OBSOLETE supply_register (index, (char *) state + reg_offset[index]); */ |
| 113 | /* OBSOLETE } */ |
| 114 | /* OBSOLETE */ |
| 115 | /* OBSOLETE if (must_suspend_thread) */ |
| 116 | /* OBSOLETE setup_thread (current_thread, 0); */ |
| 117 | /* OBSOLETE} */ |
| 118 | /* OBSOLETE\f */ |
| 119 | /* OBSOLETE/* Store our register values back into the inferior. */ |
| 120 | /* OBSOLETE * If REGNO is -1, do this for all registers. */ |
| 121 | /* OBSOLETE * Otherwise, REGNO specifies which register */ |
| 122 | /* OBSOLETE * */ |
| 123 | /* OBSOLETE * On mach3 all registers are always saved in one call. */ |
| 124 | /* OBSOLETE */ */ |
| 125 | /* OBSOLETEvoid */ |
| 126 | /* OBSOLETEstore_inferior_registers (int regno) */ |
| 127 | /* OBSOLETE{ */ |
| 128 | /* OBSOLETE kern_return_t ret; */ |
| 129 | /* OBSOLETE thread_state_data_t state; */ |
| 130 | /* OBSOLETE unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; */ |
| 131 | /* OBSOLETE register int index; */ |
| 132 | /* OBSOLETE */ |
| 133 | /* OBSOLETE if (!MACH_PORT_VALID (current_thread)) */ |
| 134 | /* OBSOLETE error ("store inferior registers: Invalid thread"); */ |
| 135 | /* OBSOLETE */ |
| 136 | /* OBSOLETE if (must_suspend_thread) */ |
| 137 | /* OBSOLETE setup_thread (current_thread, 1); */ |
| 138 | /* OBSOLETE */ |
| 139 | /* OBSOLETE /* Fetch the state of the current thread */ */ |
| 140 | /* OBSOLETE ret = thread_get_state (current_thread, */ |
| 141 | /* OBSOLETE NS532_COMBINED_STATE, */ |
| 142 | /* OBSOLETE state, */ |
| 143 | /* OBSOLETE &stateCnt); */ |
| 144 | /* OBSOLETE */ |
| 145 | /* OBSOLETE if (ret != KERN_SUCCESS) */ |
| 146 | /* OBSOLETE { */ |
| 147 | /* OBSOLETE warning ("store_inferior_registers (get): %s", */ |
| 148 | /* OBSOLETE mach_error_string (ret)); */ |
| 149 | /* OBSOLETE if (must_suspend_thread) */ |
| 150 | /* OBSOLETE setup_thread (current_thread, 0); */ |
| 151 | /* OBSOLETE return; */ |
| 152 | /* OBSOLETE } */ |
| 153 | /* OBSOLETE */ |
| 154 | /* OBSOLETE /* move gdb's registers to thread's state */ |
| 155 | /* OBSOLETE */ |
| 156 | /* OBSOLETE * Since we save all registers anyway, save the ones */ |
| 157 | /* OBSOLETE * that gdb thinks are valid (e.g. ignore the regno */ |
| 158 | /* OBSOLETE * parameter) */ |
| 159 | /* OBSOLETE */ */ |
| 160 | /* OBSOLETE#if 0 */ |
| 161 | /* OBSOLETE if (regno != -1) */ |
| 162 | /* OBSOLETE STORE_REGS (state, regno, 1); */ |
| 163 | /* OBSOLETE else */ |
| 164 | /* OBSOLETE#endif */ |
| 165 | /* OBSOLETE { */ |
| 166 | /* OBSOLETE for (index = 0; index < NUM_REGS; index++) */ |
| 167 | /* OBSOLETE STORE_REGS (state, index, 1); */ |
| 168 | /* OBSOLETE } */ |
| 169 | /* OBSOLETE */ |
| 170 | /* OBSOLETE /* Write gdb's current view of register to the thread */ |
| 171 | /* OBSOLETE */ */ |
| 172 | /* OBSOLETE ret = thread_set_state (current_thread, */ |
| 173 | /* OBSOLETE NS532_COMBINED_STATE, */ |
| 174 | /* OBSOLETE state, */ |
| 175 | /* OBSOLETE NS532_COMBINED_STATE_COUNT); */ |
| 176 | /* OBSOLETE */ |
| 177 | /* OBSOLETE if (ret != KERN_SUCCESS) */ |
| 178 | /* OBSOLETE warning ("store_inferior_registers (set): %s", */ |
| 179 | /* OBSOLETE mach_error_string (ret)); */ |
| 180 | /* OBSOLETE */ |
| 181 | /* OBSOLETE if (must_suspend_thread) */ |
| 182 | /* OBSOLETE setup_thread (current_thread, 0); */ |
| 183 | /* OBSOLETE} */ |