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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
commit | c906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch) | |
tree | a0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/hppam3-nat.c | |
parent | cd946cff9ede3f30935803403f06f6ed30cad136 (diff) | |
download | gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.zip gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.gz gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.bz2 |
Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/hppam3-nat.c')
-rw-r--r-- | gdb/hppam3-nat.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/gdb/hppam3-nat.c b/gdb/hppam3-nat.c new file mode 100644 index 0000000..95a66b0 --- /dev/null +++ b/gdb/hppam3-nat.c @@ -0,0 +1,141 @@ +/* Low level interface to HP800 running mach 4.0. + Copyright (C) 1995 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 "floatformat.h" + +#include <stdio.h> + +#include <mach.h> +#include <mach/message.h> +#include <mach/exception.h> +#include <mach_error.h> + +#include <target.h> + +/* + * 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 = TRACE_FLAVOR_SIZE; + 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, + TRACE_FLAVOR, + state, + &stateCnt); + + if (ret != KERN_SUCCESS) + warning ("fetch_inferior_registers: %s ", + mach_error_string (ret)); + else + { + for (index = 0; index < NUM_REGS; index++) + supply_register (index,(void*)&state[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 = TRACE_FLAVOR_SIZE; + 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, + TRACE_FLAVOR, + 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 (regno > 0 && regno < NUM_REGS ) + { + memcpy(&state[regno], ®isters[REGISTER_BYTE (regno)], + REGISTER_RAW_SIZE(regno)); + } + else + { + for (index = 0; index < NUM_REGS; index++) + memcpy(&state[index], ®isters[REGISTER_BYTE (index)], + REGISTER_RAW_SIZE(index)); +/* state[index] = registers[REGISTER_BYTE (index)];*/ + + } + + /* Write gdb's current view of register to the thread + */ + ret = thread_set_state (current_thread, + TRACE_FLAVOR, + state, + TRACE_FLAVOR_SIZE); + + if (ret != KERN_SUCCESS) + warning ("store_inferior_registers (set): %s", + mach_error_string (ret)); + + if (must_suspend_thread) + setup_thread (current_thread, 0); +} |