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db_interface.c (70034) db_interface.c (70861)
1/*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the

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18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
25 *
1/*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the

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18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
25 *
26 * $FreeBSD: head/sys/i386/i386/db_interface.c 70034 2000-12-14 23:57:30Z jhb $
26 * $FreeBSD: head/sys/i386/i386/db_interface.c 70861 2001-01-10 04:43:51Z jake $
27 */
28
29/*
30 * Interface to new debugger.
31 */
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/reboot.h>

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137 ddb_regs.tf_esp = (int)&regs->tf_esp;
138 ddb_regs.tf_ss = rss();
139 }
140
141#ifdef SMP
142#ifdef CPUSTOP_ON_DDBBREAK
143
144#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
27 */
28
29/*
30 * Interface to new debugger.
31 */
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/reboot.h>

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137 ddb_regs.tf_esp = (int)&regs->tf_esp;
138 ddb_regs.tf_ss = rss();
139 }
140
141#ifdef SMP
142#ifdef CPUSTOP_ON_DDBBREAK
143
144#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
145 db_printf("\nCPU%d stopping CPUs: 0x%08x...", cpuid, other_cpus);
145 db_printf("\nCPU%d stopping CPUs: 0x%08x...", PCPU_GET(cpuid),
146 PCPU_GET(other_cpus));
146#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
147
148 /* We stop all CPUs except ourselves (obviously) */
147#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
148
149 /* We stop all CPUs except ourselves (obviously) */
149 stop_cpus(other_cpus);
150 stop_cpus(PCPU_GET(other_cpus));
150
151#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
152 db_printf(" stopped.\n");
153#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
154
155#endif /* CPUSTOP_ON_DDBBREAK */
156#endif /* SMP */
157

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166 gdb_handle_exception(&ddb_regs, type, code);
167 db_active--;
168 db_global_jmpbuf_valid = FALSE;
169
170#ifdef SMP
171#ifdef CPUSTOP_ON_DDBBREAK
172
173#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
151
152#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
153 db_printf(" stopped.\n");
154#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
155
156#endif /* CPUSTOP_ON_DDBBREAK */
157#endif /* SMP */
158

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167 gdb_handle_exception(&ddb_regs, type, code);
168 db_active--;
169 db_global_jmpbuf_valid = FALSE;
170
171#ifdef SMP
172#ifdef CPUSTOP_ON_DDBBREAK
173
174#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
174 db_printf("\nCPU%d restarting CPUs: 0x%08x...", cpuid, stopped_cpus);
175 db_printf("\nCPU%d restarting CPUs: 0x%08x...", PCPU_GET(cpuid),
176 stopped_cpus);
175#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
176
177 /* Restart all the CPUs we previously stopped */
177#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
178
179 /* Restart all the CPUs we previously stopped */
178 if (stopped_cpus != other_cpus && smp_started != 0) {
180 if (stopped_cpus != PCPU_GET(other_cpus) && smp_started != 0) {
179 db_printf("whoa, other_cpus: 0x%08x, stopped_cpus: 0x%08x\n",
181 db_printf("whoa, other_cpus: 0x%08x, stopped_cpus: 0x%08x\n",
180 other_cpus, stopped_cpus);
182 PCPU_GET(other_cpus), stopped_cpus);
181 panic("stop_cpus() failed");
182 }
183 restart_cpus(stopped_cpus);
184
185#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
186 db_printf(" restarted.\n");
187#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
188

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184 }
185 restart_cpus(stopped_cpus);
186
187#if defined(VERBOSE_CPUSTOP_ON_DDBBREAK)
188 db_printf(" restarted.\n");
189#endif /* VERBOSE_CPUSTOP_ON_DDBBREAK */
190

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