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kthr.c (149954) kthr.c (161621)
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 *

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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 *

--- 11 unchanged lines hidden (view full) ---

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>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 149954 2005-09-10 18:25:53Z marcel $");
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 161621 2006-08-25 16:20:17Z jhb $");
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/types.h>
33#include <sys/signal.h>
34#include <err.h>
35#include <inttypes.h>
36#include <kvm.h>
37#include <stdio.h>
38#include <stdlib.h>
39
40#include <defs.h>
41#include <frame-unwind.h>
42
43#include "kgdb.h"
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/types.h>
33#include <sys/signal.h>
34#include <err.h>
35#include <inttypes.h>
36#include <kvm.h>
37#include <stdio.h>
38#include <stdlib.h>
39
40#include <defs.h>
41#include <frame-unwind.h>
42
43#include "kgdb.h"
44#include <machine/pcb.h>
44
45static uintptr_t dumppcb;
46static int dumptid;
47
45
46static uintptr_t dumppcb;
47static int dumptid;
48
49static uintptr_t stoppcbs;
50static __cpumask_t stopped_cpus;
51
48static struct kthr *first;
49struct kthr *curkthr;
50
51static uintptr_t
52lookup(const char *sym)
53{
54 struct nlist nl[2];
55

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86 return (NULL);
87
88 addr = lookup("_dumptid");
89 if (addr != 0)
90 kvm_read(kvm, addr, &dumptid, sizeof(dumptid));
91 else
92 dumptid = -1;
93
52static struct kthr *first;
53struct kthr *curkthr;
54
55static uintptr_t
56lookup(const char *sym)
57{
58 struct nlist nl[2];
59

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90 return (NULL);
91
92 addr = lookup("_dumptid");
93 if (addr != 0)
94 kvm_read(kvm, addr, &dumptid, sizeof(dumptid));
95 else
96 dumptid = -1;
97
98 addr = lookup("_stopped_cpus");
99 if (addr != 0)
100 kvm_read(kvm, addr, &stopped_cpus, sizeof(stopped_cpus));
101 else
102 stopped_cpus = 0;
103
104 stoppcbs = lookup("_stoppcbs");
105
94 while (paddr != 0) {
95 if (kvm_read(kvm, paddr, &p, sizeof(p)) != sizeof(p))
96 warnx("kvm_read: %s", kvm_geterr(kvm));
97 addr = (uintptr_t)TAILQ_FIRST(&p.p_threads);
98 while (addr != 0) {
99 if (kvm_read(kvm, addr, &td, sizeof(td)) != sizeof(td))
100 warnx("kvm_read: %s", kvm_geterr(kvm));
101 kt = malloc(sizeof(*kt));
102 kt->next = first;
103 kt->kaddr = addr;
106 while (paddr != 0) {
107 if (kvm_read(kvm, paddr, &p, sizeof(p)) != sizeof(p))
108 warnx("kvm_read: %s", kvm_geterr(kvm));
109 addr = (uintptr_t)TAILQ_FIRST(&p.p_threads);
110 while (addr != 0) {
111 if (kvm_read(kvm, addr, &td, sizeof(td)) != sizeof(td))
112 warnx("kvm_read: %s", kvm_geterr(kvm));
113 kt = malloc(sizeof(*kt));
114 kt->next = first;
115 kt->kaddr = addr;
104 kt->pcb = (td.td_tid == dumptid) ? dumppcb :
105 (uintptr_t)td.td_pcb;
116 if (td.td_tid == dumptid)
117 kt->pcb = dumppcb;
118 else if (td.td_state == TDS_RUNNING && ((1 << td.td_oncpu) & stopped_cpus)
119 && stoppcbs != 0)
120 kt->pcb = (uintptr_t) stoppcbs + sizeof(struct pcb) * td.td_oncpu;
121 else
122 kt->pcb = (uintptr_t)td.td_pcb;
106 kt->kstack = td.td_kstack;
107 kt->tid = td.td_tid;
108 kt->pid = p.p_pid;
109 kt->paddr = paddr;
110 first = kt;
111 addr = (uintptr_t)TAILQ_NEXT(&td, td_plist);
112 }
113 paddr = (uintptr_t)LIST_NEXT(&p, p_list);

--- 84 unchanged lines hidden --- 		123 kt->kstack = td.td_kstack;
124 kt->tid = td.td_tid;
125 kt->pid = p.p_pid;
126 kt->paddr = paddr;
127 first = kt;
128 addr = (uintptr_t)TAILQ_NEXT(&td, td_plist);
129 }
130 paddr = (uintptr_t)LIST_NEXT(&p, p_list);

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