1
2 /*--------------------------------------------------------------------*/
3 /*--- Notional "implementation" for m_vkiscnums. ---*/
4 /*--- m_vkiscnums.c ---*/
5 /*--------------------------------------------------------------------*/
6
7 /*
8 This file is part of Valgrind, a dynamic binary instrumentation
9 framework.
10
11 Copyright (C) 2006-2017 OpenWorks LLP
12 info@open-works.co.uk
13
14 This program is free software; you can redistribute it and/or
15 modify it under the terms of the GNU General Public License as
16 published by the Free Software Foundation; either version 2 of the
17 License, or (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful, but
20 WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
27 02111-1307, USA.
28
29 The GNU General Public License is contained in the file COPYING.
30 */
31
32 #include "pub_core_basics.h"
33 #include "pub_core_libcprint.h"
34 #include "pub_core_vkiscnums.h" /* self */
35
36 /* We have pub_{core,tool}_vkiscnums.h. This is the matching implementation
37 for that interface.
38
39 On Linux, the interface exports a bunch of "#define __NR_foo 42" style
40 definitions, so there is no implementation.
41 */
42
43 //---------------------------------------------------------------------------
44 #if defined(VGO_linux)
45 //---------------------------------------------------------------------------
46
VG_(sysnum_string)47 const HChar* VG_(sysnum_string)(Word sysnum)
48 {
49 static HChar buf[20+1]; // large enough
50
51 VG_(sprintf)(buf, "%ld", sysnum);
52 return buf;
53 }
54
55 /* include/pub_tool_basics.h hardcodes the following syscall numbers
56 on mips{32,64}-linux so as to avoid a module cycle. We make that
57 safe here by causing the build to fail if those numbers should ever
58 change. See comments in function sr_EQ in the mips{32,64}-linux
59 section of include/pub_tool_basics.h for more details. */
60 #if defined(VGP_mips32_linux)
61 STATIC_ASSERT(__NR_pipe == 4042);
62 STATIC_ASSERT(__NR_pipe2 == 4328);
63 #elif defined(VGP_mips64_linux)
64 STATIC_ASSERT(__NR_pipe == 5021);
65 STATIC_ASSERT(__NR_pipe2 == 5287);
66 #endif
67
68 //---------------------------------------------------------------------------
69 #elif defined(VGO_darwin)
70 //---------------------------------------------------------------------------
71
VG_(sysnum_string)72 const HChar* VG_(sysnum_string)(Word sysnum)
73 {
74 static HChar buf[7+1+20+1]; // large enough
75
76 const HChar* classname = NULL;
77 switch (VG_DARWIN_SYSNO_CLASS(sysnum)) {
78 case VG_DARWIN_SYSCALL_CLASS_MACH: classname = "mach"; break;
79 case VG_DARWIN_SYSCALL_CLASS_UNIX: classname = "unix"; break;
80 case VG_DARWIN_SYSCALL_CLASS_MDEP: classname = "mdep"; break;
81 case VG_DARWIN_SYSCALL_CLASS_DIAG: classname = "diag"; break;
82 default: classname = "UNKNOWN"; break;
83 }
84 VG_(sprintf)(buf, "%s:%ld", classname, VG_DARWIN_SYSNO_INDEX(sysnum));
85 return buf;
86 }
87
88 //---------------------------------------------------------------------------
89 #elif defined(VGO_solaris)
90 //---------------------------------------------------------------------------
91
VG_(sysnum_string)92 const HChar *VG_(sysnum_string)(Word sysnum)
93 {
94 static HChar buf[8+20+1]; // large enough
95
96 const HChar* classname = NULL;
97 switch (VG_SOLARIS_SYSNO_CLASS(sysnum)) {
98 case VG_SOLARIS_SYSCALL_CLASS_CLASSIC: classname = ""; break;
99 case VG_SOLARIS_SYSCALL_CLASS_FASTTRAP: classname = "fast:"; break;
100 default: classname = "UNKNOWN:"; break;
101 }
102 VG_(sprintf)(buf, "%s%ld", classname, VG_SOLARIS_SYSNO_INDEX(sysnum));
103 return buf;
104 }
105
106 //---------------------------------------------------------------------------
107 #else
108 //---------------------------------------------------------------------------
109 # error Unknown OS
110 #endif
111
112 /*--------------------------------------------------------------------*/
113 /*--- end ---*/
114 /*--------------------------------------------------------------------*/
115