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kthr.c (175452) kthr.c (175771)
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 *

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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>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 175452 2008-01-18 18:57:27Z emaste $");
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 175771 2008-01-28 20:33:19Z 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>

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55
56uintptr_t
57kgdb_lookup(const char *sym)
58{
59 struct nlist nl[2];
60
61 nl[0].n_name = (char *)(uintptr_t)sym;
62 nl[1].n_name = NULL;
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>

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55
56uintptr_t
57kgdb_lookup(const char *sym)
58{
59 struct nlist nl[2];
60
61 nl[0].n_name = (char *)(uintptr_t)sym;
62 nl[1].n_name = NULL;
63 if (kvm_nlist(kvm, nl) != 0) {
64 warnx("kvm_nlist(%s): %s", sym, kvm_geterr(kvm));
63 if (kvm_nlist(kvm, nl) != 0)
65 return (0);
64 return (0);
66 }
67 return (nl[0].n_value);
68}
69
70struct kthr *
71kgdb_thr_first(void)
72{
73 return (first);
74}
75
76struct kthr *
77kgdb_thr_init(void)
78{
79 struct proc p;
80 struct thread td;
81 struct kthr *kt;
82 uintptr_t addr, paddr;
83
84 addr = kgdb_lookup("_allproc");
65 return (nl[0].n_value);
66}
67
68struct kthr *
69kgdb_thr_first(void)
70{
71 return (first);
72}
73
74struct kthr *
75kgdb_thr_init(void)
76{
77 struct proc p;
78 struct thread td;
79 struct kthr *kt;
80 uintptr_t addr, paddr;
81
82 addr = kgdb_lookup("_allproc");
85 if (addr == 0)
83 if (addr == 0) {
84 warnx("kvm_nlist(_allproc): %s", kvm_geterr(kvm));
86 return (NULL);
85 return (NULL);
86 }
87 kvm_read(kvm, addr, &paddr, sizeof(paddr));
88
89 dumppcb = kgdb_lookup("_dumppcb");
87 kvm_read(kvm, addr, &paddr, sizeof(paddr));
88
89 dumppcb = kgdb_lookup("_dumppcb");
90 if (dumppcb == 0)
90 if (dumppcb == 0) {
91 warnx("kvm_nlist(_dumppcb): %s", kvm_geterr(kvm));
91 return (NULL);
92 return (NULL);
93 }
92
93 addr = kgdb_lookup("_dumptid");
94 if (addr != 0)
95 kvm_read(kvm, addr, &dumptid, sizeof(dumptid));
96 else
97 dumptid = -1;
98
99 addr = kgdb_lookup("_stopped_cpus");

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95 addr = kgdb_lookup("_dumptid");
96 if (addr != 0)
97 kvm_read(kvm, addr, &dumptid, sizeof(dumptid));
98 else
99 dumptid = -1;
100
101 addr = kgdb_lookup("_stopped_cpus");

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