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/cvs/ermyth/modules/operserv/memcheck.C
Revision: 1.6
Committed: Sat Sep 22 14:27:28 2007 UTC (16 years, 8 months ago) by pippijn
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.5: +6 -6 lines
Log Message:
split up ermyth into ermyth-modules, libermyth (currently just ermyth-util) and ermyth-core

File Contents

# Content
1 /**
2 * memcheck.C: Invoke valgrind's memcheck while running.
3 *
4 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
5 * Rights to this code are as documented in COPYING.
6 *
7 *
8 * Portions of this file were derived from sources bearing the following license:
9 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
10 * Rights to this code are as documented in doc/pod/gplicense.pod.
11 *
12 * $Id: memcheck.C,v 1.5 2007-09-16 18:54:44 pippijn Exp $
13 */
14
15 #include "atheme.h"
16 #include <ermyth/module.h>
17
18 #ifdef HAVE_VALGRIND_MEMCHECK_H
19 #include <valgrind/memcheck.h>
20 #endif
21
22 static char const rcsid[] = "$Id: memcheck.C,v 1.5 2007-09-16 18:54:44 pippijn Exp $";
23
24 REGISTER_MODULE ("operserv/memcheck", false, "The Ermyth Team <http://ermyth.one09.net>");
25
26 #ifdef HAVE_VALGRIND_MEMCHECK_H
27 static void
28 os_cmd_memcheck (sourceinfo_t *si, int parc, char *parv[])
29 {
30 #ifdef __x86_64__
31 {
32 unsigned int _qzz_res;
33 {
34 volatile unsigned long int _zzq_args[6];
35 volatile unsigned long int _zzq_result;
36 _zzq_args[0] = (unsigned long int)(VG_USERREQ__DO_LEAK_CHECK);
37 _zzq_args[1] = (unsigned long int)(0);
38 _zzq_args[2] = (unsigned long int)(0);
39 _zzq_args[3] = (unsigned long int)(0);
40 _zzq_args[4] = (unsigned long int)(0);
41 _zzq_args[5] = (unsigned long int)(0);
42 __asm__ volatile ("rolq $3, %%rdi ; rolq $13, %%rdi\n\t"
43 "rolq $61, %%rdi ; rolq $51, %%rdi\n\t"
44 "xchgq %%rbx,%%rbx"
45 : "=d" (_zzq_result)
46 : "a" (&_zzq_args[0]), "0" (0)
47 : "cc", "memory" );
48 _qzz_res = _zzq_result;
49 }
50 }
51 #else
52 VALGRIND_DO_LEAK_CHECK;
53 #endif
54 command_success_nodata (si, "Valgrind memcheck invoked.");
55 return;
56 }
57
58 command_t const os_memcheck = { "MEMCHECK", N_("Invokes the valgrind memcheck."), AC_NONE, 0, os_cmd_memcheck };
59
60 E cmdvec os_cmdtree;
61 E helpvec os_helptree;
62 #endif
63
64 bool
65 _modinit (module *m)
66 {
67 #ifdef HAVE_VALGRIND_MEMCHECK_H
68 os_cmdtree << os_memcheck;
69 help_addentry (os_helptree, "MEMCHECK", "help/operserv/memcheck", NULL);
70 #endif
71
72 return true;
73 }
74
75 void
76 _moddeinit ()
77 {
78 #ifdef HAVE_VALGRIND_MEMCHECK_H
79 os_cmdtree >> os_memcheck;
80 help_delentry (os_helptree, "MEMCHECK");
81 #endif
82 }