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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/ns32km3-nat.c | |
parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 |
Initial creation of sourceware repository
Diffstat (limited to 'gdb/ns32km3-nat.c')
-rw-r--r-- | gdb/ns32km3-nat.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/gdb/ns32km3-nat.c b/gdb/ns32km3-nat.c deleted file mode 100644 index cdafb9c..0000000 --- a/gdb/ns32km3-nat.c +++ /dev/null @@ -1,183 +0,0 @@ -/* Low level interface to ns532 running mach 3.0. - Copyright (C) 1992 Free Software Foundation, Inc. - -This file is part of GDB. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "inferior.h" - -#include <stdio.h> - -#include <mach.h> -#include <mach/message.h> -#include <mach/exception.h> -#include <mach_error.h> - -#define private static - - -/* Find offsets to thread states at compile time. - * If your compiler does not grok this, calculate offsets - * offsets yourself and use them (or get a compatible compiler :-) - */ - -#define REG_N_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->ts.reg) -#define REG_F_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->fs.reg) - -/* at reg_offset[i] is the offset to the ns532_combined_state - * location where the gdb registers[i] is stored. - */ - -static int reg_offset[] = -{ - REG_N_OFFSET(r0), REG_N_OFFSET(r1), REG_N_OFFSET(r2), REG_N_OFFSET(r3), - REG_N_OFFSET(r4), REG_N_OFFSET(r5), REG_N_OFFSET(r6), REG_N_OFFSET(r7), - REG_F_OFFSET(l0a), REG_F_OFFSET(l0b),REG_F_OFFSET(l2a),REG_F_OFFSET(l2b), - REG_F_OFFSET(l4a), REG_F_OFFSET(l4b),REG_F_OFFSET(l6a),REG_F_OFFSET(l6b), - REG_N_OFFSET(sp), REG_N_OFFSET(fp), REG_N_OFFSET(pc), REG_N_OFFSET(psr), - REG_F_OFFSET(fsr), - REG_F_OFFSET(l0a), REG_F_OFFSET(l1a),REG_F_OFFSET(l2a),REG_F_OFFSET(l3a), - REG_F_OFFSET(l4a), REG_F_OFFSET(l5a),REG_F_OFFSET(l6a),REG_F_OFFSET(l7a), -}; - -#define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum]) - -/* Fetch COUNT contiguous registers from thread STATE starting from REGNUM - * Caller knows that the regs handled in one transaction are of same size. - */ -#define FETCH_REGS(state, regnum, count) \ - memcpy (®isters[REGISTER_BYTE (regnum)], \ - (char *)state+reg_offset[ regnum ], \ - count*REGISTER_SIZE) - -/* Store COUNT contiguous registers to thread STATE starting from REGNUM */ -#define STORE_REGS(state, regnum, count) \ - memcpy ((char *)state+reg_offset[ regnum ], \ - ®isters[REGISTER_BYTE (regnum)], \ - count*REGISTER_SIZE) - -/* - * Fetch inferiors registers for gdb. - * REGNO specifies which (as gdb views it) register, -1 for all. - */ - -void -fetch_inferior_registers (regno) - int regno; -{ - kern_return_t ret; - thread_state_data_t state; - unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; - int index; - - if (! MACH_PORT_VALID (current_thread)) - error ("fetch inferior registers: Invalid thread"); - - if (must_suspend_thread) - setup_thread (current_thread, 1); - - ret = thread_get_state (current_thread, - NS532_COMBINED_STATE, - state, - &stateCnt); - - if (ret != KERN_SUCCESS) - warning ("fetch_inferior_registers: %s ", - mach_error_string (ret)); -#if 0 - /* It may be more effective to store validate all of them, - * since we fetched them all anyway - */ - else if (regno != -1) - supply_register (regno, (char *)state+reg_offset[regno]); -#endif - else - { - for (index = 0; index < NUM_REGS; index++) - supply_register (index, (char *)state+reg_offset[index]); - } - - if (must_suspend_thread) - setup_thread (current_thread, 0); -} - -/* Store our register values back into the inferior. - * If REGNO is -1, do this for all registers. - * Otherwise, REGNO specifies which register - * - * On mach3 all registers are always saved in one call. - */ -void -store_inferior_registers (regno) - int regno; -{ - kern_return_t ret; - thread_state_data_t state; - unsigned int stateCnt = NS532_COMBINED_STATE_COUNT; - register int index; - - if (! MACH_PORT_VALID (current_thread)) - error ("store inferior registers: Invalid thread"); - - if (must_suspend_thread) - setup_thread (current_thread, 1); - - /* Fetch the state of the current thread */ - ret = thread_get_state (current_thread, - NS532_COMBINED_STATE, - state, - &stateCnt); - - if (ret != KERN_SUCCESS) - { - warning ("store_inferior_registers (get): %s", - mach_error_string (ret)); - if (must_suspend_thread) - setup_thread (current_thread, 0); - return; - } - - /* move gdb's registers to thread's state - * - * Since we save all registers anyway, save the ones - * that gdb thinks are valid (e.g. ignore the regno - * parameter) - */ -#if 0 - if (regno != -1) - STORE_REGS (state, regno, 1); - else -#endif - { - for (index = 0; index < NUM_REGS; index++) - STORE_REGS (state, index, 1); - } - - /* Write gdb's current view of register to the thread - */ - ret = thread_set_state (current_thread, - NS532_COMBINED_STATE, - state, - NS532_COMBINED_STATE_COUNT); - - if (ret != KERN_SUCCESS) - warning ("store_inferior_registers (set): %s", - mach_error_string (ret)); - - if (must_suspend_thread) - setup_thread (current_thread, 0); -} |