1/* 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h>
| 1/* 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h>
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28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt_i386.c 142151 2005-02-20 22:55:07Z kan $");
| 28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt_i386.c 149954 2005-09-10 18:25:53Z marcel $");
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29 30#include <sys/types.h> 31#include <machine/pcb.h> 32#include <err.h> 33#include <kvm.h> 34#include <string.h> 35
| 29 30#include <sys/types.h> 31#include <machine/pcb.h> 32#include <err.h> 33#include <kvm.h> 34#include <string.h> 35
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36#include "kgdb.h" 37
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38#include <defs.h> 39#include <target.h> 40#include <gdbthread.h> 41#include <inferior.h> 42#include <regcache.h>
| 36#include <defs.h> 37#include <target.h> 38#include <gdbthread.h> 39#include <inferior.h> 40#include <regcache.h>
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| 41#include <frame-unwind.h>
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43
| 42
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| 43#include "kgdb.h" 44
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44void 45kgdb_trgt_fetch_registers(int regno __unused) 46{ 47 struct kthr *kt; 48 struct pcb pcb; 49 50 kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid)); 51 if (kt == NULL) 52 return; 53 if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) { 54 warnx("kvm_read: %s", kvm_geterr(kvm)); 55 memset(&pcb, 0, sizeof(pcb)); 56 } 57 supply_register(3, (char *)&pcb.pcb_ebx); 58 supply_register(4, (char *)&pcb.pcb_esp); 59 supply_register(5, (char *)&pcb.pcb_ebp); 60 supply_register(6, (char *)&pcb.pcb_esi); 61 supply_register(7, (char *)&pcb.pcb_edi); 62 supply_register(8, (char *)&pcb.pcb_eip); 63} 64 65void 66kgdb_trgt_store_registers(int regno __unused) 67{ 68 fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__); 69}
| 45void 46kgdb_trgt_fetch_registers(int regno __unused) 47{ 48 struct kthr *kt; 49 struct pcb pcb; 50 51 kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid)); 52 if (kt == NULL) 53 return; 54 if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) { 55 warnx("kvm_read: %s", kvm_geterr(kvm)); 56 memset(&pcb, 0, sizeof(pcb)); 57 } 58 supply_register(3, (char *)&pcb.pcb_ebx); 59 supply_register(4, (char *)&pcb.pcb_esp); 60 supply_register(5, (char *)&pcb.pcb_ebp); 61 supply_register(6, (char *)&pcb.pcb_esi); 62 supply_register(7, (char *)&pcb.pcb_edi); 63 supply_register(8, (char *)&pcb.pcb_eip); 64} 65 66void 67kgdb_trgt_store_registers(int regno __unused) 68{ 69 fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__); 70}
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| 71 72static void 73kgdb_trgt_trapframe_this_id(struct frame_info *next_frame, void **this_cache, 74 struct frame_id *this_id) 75{ 76} 77 78static void 79kgdb_trgt_trapframe_prev_register(struct frame_info *next_frame, 80 void **this_cache, int regnum, int *optimizedp, enum lval_type *lvalp, 81 CORE_ADDR *addrp, int *realnump, void *valuep) 82{ 83} 84 85static const struct frame_unwind kgdb_trgt_trapframe_unwind = { 86 UNKNOWN_FRAME, 87 &kgdb_trgt_trapframe_this_id, 88 &kgdb_trgt_trapframe_prev_register 89}; 90 91const struct frame_unwind * 92kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame) 93{ 94 95 return (NULL); 96}
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