2001-04-03 04:57:26 +08:00
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/* OBSOLETE /* Low level interface to ns532 running mach 3.0. */
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/* OBSOLETE Copyright 1992, 1993, 1998, 2000, 2001 Free Software Foundation, Inc. */
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/* OBSOLETE */
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/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE it under the terms of the GNU General Public License as published by */
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/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE (at your option) any later version. */
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/* OBSOLETE */
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/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* OBSOLETE GNU General Public License for more details. */
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/* OBSOLETE */
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/* OBSOLETE You should have received a copy of the GNU General Public License */
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/* OBSOLETE along with this program; if not, write to the Free Software */
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/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
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/* OBSOLETE Boston, MA 02111-1307, USA. */ */
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/* OBSOLETE */
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/* OBSOLETE#include "defs.h" */
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/* OBSOLETE#include "inferior.h" */
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/* OBSOLETE#include "regcache.h" */
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/* OBSOLETE */
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/* OBSOLETE#include <stdio.h> */
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/* OBSOLETE */
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/* OBSOLETE#include <mach.h> */
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/* OBSOLETE#include <mach/message.h> */
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/* OBSOLETE#include <mach/exception.h> */
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/* OBSOLETE#include <mach_error.h> */
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/* OBSOLETE */
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/* OBSOLETE#define private static */
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/* OBSOLETE */
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/* OBSOLETE */
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/* OBSOLETE/* Find offsets to thread states at compile time. */
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/* OBSOLETE * If your compiler does not grok this, calculate offsets */
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/* OBSOLETE * offsets yourself and use them (or get a compatible compiler :-) */
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/* OBSOLETE */ */
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/* OBSOLETE */
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/* OBSOLETE#define REG_N_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->ts.reg) */
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/* OBSOLETE#define REG_F_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->fs.reg) */
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/* OBSOLETE */
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/* OBSOLETE/* at reg_offset[i] is the offset to the ns532_combined_state */
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/* OBSOLETE * location where the gdb registers[i] is stored. */
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/* OBSOLETE */ */
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/* OBSOLETE */
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/* OBSOLETEstatic int reg_offset[] = */
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/* OBSOLETE{ */
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/* OBSOLETE REG_N_OFFSET (r0), REG_N_OFFSET (r1), REG_N_OFFSET (r2), REG_N_OFFSET (r3), */
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/* OBSOLETE REG_N_OFFSET (r4), REG_N_OFFSET (r5), REG_N_OFFSET (r6), REG_N_OFFSET (r7), */
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/* OBSOLETE REG_F_OFFSET (l0a), REG_F_OFFSET (l0b), REG_F_OFFSET (l2a), REG_F_OFFSET (l2b), */
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/* OBSOLETE REG_F_OFFSET (l4a), REG_F_OFFSET (l4b), REG_F_OFFSET (l6a), REG_F_OFFSET (l6b), */
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/* OBSOLETEREG_N_OFFSET (sp), REG_N_OFFSET (fp), REG_N_OFFSET (pc), REG_N_OFFSET (psr), */
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/* OBSOLETE REG_F_OFFSET (fsr), */
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/* OBSOLETE REG_F_OFFSET (l0a), REG_F_OFFSET (l1a), REG_F_OFFSET (l2a), REG_F_OFFSET (l3a), */
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/* OBSOLETE REG_F_OFFSET (l4a), REG_F_OFFSET (l5a), REG_F_OFFSET (l6a), REG_F_OFFSET (l7a), */
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/* OBSOLETE}; */
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/* OBSOLETE */
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/* OBSOLETE#define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum]) */
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/* OBSOLETE */
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/* OBSOLETE/* Fetch COUNT contiguous registers from thread STATE starting from REGNUM */
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/* OBSOLETE * Caller knows that the regs handled in one transaction are of same size. */
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/* OBSOLETE */ */
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/* OBSOLETE#define FETCH_REGS(state, regnum, count) \ */
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/* OBSOLETE memcpy (®isters[REGISTER_BYTE (regnum)], \ */
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/* OBSOLETE (char *)state+reg_offset[ regnum ], \ */
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/* OBSOLETE count*REGISTER_SIZE) */
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/* OBSOLETE */
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/* OBSOLETE/* Store COUNT contiguous registers to thread STATE starting from REGNUM */ */
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/* OBSOLETE#define STORE_REGS(state, regnum, count) \ */
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/* OBSOLETE memcpy ((char *)state+reg_offset[ regnum ], \ */
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/* OBSOLETE ®isters[REGISTER_BYTE (regnum)], \ */
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/* OBSOLETE count*REGISTER_SIZE) */
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/* OBSOLETE */
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/* OBSOLETE/* */
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/* OBSOLETE * Fetch inferiors registers for gdb. */
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/* OBSOLETE * REGNO specifies which (as gdb views it) register, -1 for all. */
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/* OBSOLETE */ */
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/* OBSOLETE */
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/* OBSOLETEvoid */
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/* OBSOLETEfetch_inferior_registers (int regno) */
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/* OBSOLETE{ */
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/* OBSOLETE kern_return_t ret; */
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/* OBSOLETE thread_state_data_t state; */
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/* OBSOLETE unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; */
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/* OBSOLETE int index; */
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/* OBSOLETE */
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/* OBSOLETE if (!MACH_PORT_VALID (current_thread)) */
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/* OBSOLETE error ("fetch inferior registers: Invalid thread"); */
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/* OBSOLETE */
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/* OBSOLETE if (must_suspend_thread) */
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/* OBSOLETE setup_thread (current_thread, 1); */
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/* OBSOLETE */
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/* OBSOLETE ret = thread_get_state (current_thread, */
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/* OBSOLETE NS532_COMBINED_STATE, */
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/* OBSOLETE state, */
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/* OBSOLETE &stateCnt); */
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/* OBSOLETE */
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/* OBSOLETE if (ret != KERN_SUCCESS) */
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/* OBSOLETE warning ("fetch_inferior_registers: %s ", */
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/* OBSOLETE mach_error_string (ret)); */
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/* OBSOLETE#if 0 */
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/* OBSOLETE /* It may be more effective to store validate all of them, */
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/* OBSOLETE * since we fetched them all anyway */
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/* OBSOLETE */ */
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/* OBSOLETE else if (regno != -1) */
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/* OBSOLETE supply_register (regno, (char *) state + reg_offset[regno]); */
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/* OBSOLETE#endif */
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/* OBSOLETE else */
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/* OBSOLETE { */
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/* OBSOLETE for (index = 0; index < NUM_REGS; index++) */
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/* OBSOLETE supply_register (index, (char *) state + reg_offset[index]); */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE if (must_suspend_thread) */
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/* OBSOLETE setup_thread (current_thread, 0); */
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/* OBSOLETE} */
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/* OBSOLETE */
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/* OBSOLETE/* Store our register values back into the inferior. */
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/* OBSOLETE * If REGNO is -1, do this for all registers. */
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/* OBSOLETE * Otherwise, REGNO specifies which register */
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/* OBSOLETE * */
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/* OBSOLETE * On mach3 all registers are always saved in one call. */
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/* OBSOLETE */ */
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/* OBSOLETEvoid */
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/* OBSOLETEstore_inferior_registers (int regno) */
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/* OBSOLETE{ */
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/* OBSOLETE kern_return_t ret; */
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/* OBSOLETE thread_state_data_t state; */
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/* OBSOLETE unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; */
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/* OBSOLETE register int index; */
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/* OBSOLETE */
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/* OBSOLETE if (!MACH_PORT_VALID (current_thread)) */
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/* OBSOLETE error ("store inferior registers: Invalid thread"); */
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/* OBSOLETE */
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/* OBSOLETE if (must_suspend_thread) */
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/* OBSOLETE setup_thread (current_thread, 1); */
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/* OBSOLETE */
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/* OBSOLETE /* Fetch the state of the current thread */ */
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/* OBSOLETE ret = thread_get_state (current_thread, */
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/* OBSOLETE NS532_COMBINED_STATE, */
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/* OBSOLETE state, */
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/* OBSOLETE &stateCnt); */
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/* OBSOLETE */
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/* OBSOLETE if (ret != KERN_SUCCESS) */
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/* OBSOLETE { */
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/* OBSOLETE warning ("store_inferior_registers (get): %s", */
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/* OBSOLETE mach_error_string (ret)); */
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/* OBSOLETE if (must_suspend_thread) */
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/* OBSOLETE setup_thread (current_thread, 0); */
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/* OBSOLETE return; */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE /* move gdb's registers to thread's state */
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/* OBSOLETE */
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/* OBSOLETE * Since we save all registers anyway, save the ones */
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/* OBSOLETE * that gdb thinks are valid (e.g. ignore the regno */
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/* OBSOLETE * parameter) */
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/* OBSOLETE */ */
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/* OBSOLETE#if 0 */
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/* OBSOLETE if (regno != -1) */
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/* OBSOLETE STORE_REGS (state, regno, 1); */
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/* OBSOLETE else */
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/* OBSOLETE#endif */
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/* OBSOLETE { */
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/* OBSOLETE for (index = 0; index < NUM_REGS; index++) */
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/* OBSOLETE STORE_REGS (state, index, 1); */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE /* Write gdb's current view of register to the thread */
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/* OBSOLETE */ */
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/* OBSOLETE ret = thread_set_state (current_thread, */
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/* OBSOLETE NS532_COMBINED_STATE, */
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/* OBSOLETE state, */
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/* OBSOLETE NS532_COMBINED_STATE_COUNT); */
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/* OBSOLETE */
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/* OBSOLETE if (ret != KERN_SUCCESS) */
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/* OBSOLETE warning ("store_inferior_registers (set): %s", */
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/* OBSOLETE mach_error_string (ret)); */
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/* OBSOLETE */
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/* OBSOLETE if (must_suspend_thread) */
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/* OBSOLETE setup_thread (current_thread, 0); */
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/* OBSOLETE} */
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