2 /*--------------------------------------------------------------------*/
3 /*--- Command line options. pub_tool_options.h ---*/
4 /*--------------------------------------------------------------------*/
7 This file is part of Valgrind, a dynamic binary instrumentation
10 Copyright (C) 2000-2010 Julian Seward
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of the
16 License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful, but
19 WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 The GNU General Public License is contained in the file COPYING.
31 #ifndef __PUB_TOOL_OPTIONS_H
32 #define __PUB_TOOL_OPTIONS_H
34 #include "libvex.h" // for VexControl
37 // Higher-level command-line option recognisers; use in if/else chains.
38 // Note that they assign a value to the 'qq_var' argument. So often they
39 // can be used like this:
41 // if VG_STR_CLO(arg, "--foo", clo_foo) { }
43 // But if you want to do further checking or processing, you can do this:
45 // if VG_STR_CLO(arg, "--foo", clo_foo) { <further checking or processing> }
47 // They use GNU statement expressions to do the qq_var assignment within a
48 // conditional expression.
50 // String argument, eg. --foo=yes or --foo=no
51 #define VG_BOOL_CLO(qq_arg, qq_option, qq_var) \
52 (VG_STREQN(VG_(strlen)(qq_option)+1, qq_arg, qq_option"=") && \
54 Char* val = &(qq_arg)[ VG_(strlen)(qq_option)+1 ]; \
55 if VG_STREQ(val, "yes") (qq_var) = True; \
56 else if VG_STREQ(val, "no") (qq_var) = False; \
61 // String argument, eg. --foo=bar
62 #define VG_STR_CLO(qq_arg, qq_option, qq_var) \
63 (VG_STREQN(VG_(strlen)(qq_option)+1, qq_arg, qq_option"=") && \
65 Char* val = &(qq_arg)[ VG_(strlen)(qq_option)+1 ]; \
71 // Unbounded integer arg, eg. --foo=10
72 #define VG_INT_CLO(qq_arg, qq_option, qq_var) \
73 (VG_STREQN(VG_(strlen)(qq_option)+1, qq_arg, qq_option"=") && \
75 Char* val = &(qq_arg)[ VG_(strlen)(qq_option)+1 ]; \
77 Long n = VG_(strtoll10)( val, &s ); \
79 /* Check for non-numeralness, or overflow. */ \
80 if ('\0' != s[0] || (qq_var) != n) VG_(err_bad_option)(qq_arg); \
85 // Bounded integer arg, eg. --foo=10 ; if the value exceeds the bounds it
86 // causes an abort. 'qq_base' can be 10 or 16.
87 #define VG_BINTN_CLO(qq_base, qq_arg, qq_option, qq_var, qq_lo, qq_hi) \
88 (VG_STREQN(VG_(strlen)(qq_option)+1, qq_arg, qq_option"=") && \
90 Char* val = &(qq_arg)[ VG_(strlen)(qq_option)+1 ]; \
92 Long n = VG_(strtoll##qq_base)( val, &s ); \
94 /* Check for non-numeralness, or overflow. */ \
95 /* Nb: it will overflow if qq_var is unsigned and qq_val is negative! */ \
96 if ('\0' != s[0] || (qq_var) != n) VG_(err_bad_option)(qq_arg); \
98 if ((qq_var) < (qq_lo) || (qq_var) > (qq_hi)) { \
99 VG_(message)(Vg_UserMsg, \
100 "'%s' argument must be between %lld and %lld\n", \
101 (qq_option), (Long)(qq_lo), (Long)(qq_hi)); \
102 VG_(err_bad_option)(qq_arg); \
108 // Bounded decimal integer arg, eg. --foo=100
109 #define VG_BINT_CLO(qq_arg, qq_option, qq_var, qq_lo, qq_hi) \
110 VG_BINTN_CLO(10, (qq_arg), qq_option, (qq_var), (qq_lo), (qq_hi))
112 // Bounded hexadecimal integer arg, eg. --foo=0x1fa8
113 #define VG_BHEX_CLO(qq_arg, qq_option, qq_var, qq_lo, qq_hi) \
114 VG_BINTN_CLO(16, (qq_arg), qq_option, (qq_var), (qq_lo), (qq_hi))
116 // Double (decimal) arg, eg. --foo=4.6
117 // XXX: there's not VG_BDBL_CLO because we don't have a good way of printing
118 // floats at the moment!
119 #define VG_DBL_CLO(qq_arg, qq_option, qq_var) \
120 (VG_STREQN(VG_(strlen)(qq_option)+1, qq_arg, qq_option"=") && \
122 Char* val = &(qq_arg)[ VG_(strlen)(qq_option)+1 ]; \
124 double n = VG_(strtod)( val, &s ); \
126 /* Check for non-numeralness */ \
127 if ('\0' != s[0]) VG_(err_bad_option)(qq_arg); \
132 // Arg whose value is denoted by the exact presence of the given string;
133 // if it matches, qq_var is assigned the value in qq_val.
134 #define VG_XACT_CLO(qq_arg, qq_option, qq_var, qq_val) \
135 (VG_STREQ((qq_arg), (qq_option)) && \
137 (qq_var) = (qq_val); \
142 /* Verbosity level: 0 = silent, 1 (default), > 1 = more verbose. */
143 extern Int VG_(clo_verbosity);
145 /* Show tool and core statistics */
146 extern Bool VG_(clo_stats);
148 /* Emit all messages as XML? default: NO */
149 /* If clo_xml is set, various other options are set in a non-default
150 way. See vg_main.c and mc_main.c. */
151 extern Bool VG_(clo_xml);
153 /* An arbitrary user-supplied string which is copied into the
154 XML output, in between <usercomment> tags. */
155 extern HChar* VG_(clo_xml_user_comment);
157 /* Vex iropt control. Tool-visible so tools can make Vex optimise
158 less aggressively if that is needed (callgrind needs this). */
159 extern VexControl VG_(clo_vex_control);
161 /* Number of parents of a backtrace. Default: 8. */
162 extern Int VG_(clo_backtrace_size);
164 /* Continue stack traces below main()? Default: NO */
165 extern Bool VG_(clo_show_below_main);
168 /* Call this if a recognised option was bad for some reason. Note:
169 don't use it just because an option was unrecognised -- return
170 'False' from VG_(tdict).tool_process_cmd_line_option) to indicate that --
171 use it if eg. an option was given an inappropriate argument.
172 This function prints an error message, then shuts down the entire system.
173 It returns a Bool so it can be used in the _CLO_ macros. */
174 __attribute__((noreturn))
175 extern void VG_(err_bad_option) ( Char* opt );
177 /* Used to expand file names. "option_name" is the option name, eg.
178 "--log-file". 'format' is what follows, eg. "cachegrind.out.%p". In
180 - "%p" is replaced with PID.
181 - "%q{QUAL}" is replaced with the environment variable $QUAL. If $QUAL
182 isn't set, we abort. If the "{QUAL}" part is malformed, we abort.
183 - "%%" is replaced with "%".
184 Anything else after '%' causes an abort.
185 If the format specifies a relative file name, it's put in the program's
186 initial working directory. If it specifies an absolute file name (ie.
187 starts with '/') then it is put there.
189 Note that "option_name" has no effect on the returned string: the
190 returned string depends only on "format" and the PIDs and
191 environment variables that it references (if any). "option_name" is
192 merely used in printing error messages, if an error message needs
193 to be printed due to malformedness of the "format" argument.
195 extern Char* VG_(expand_file_name)(Char* option_name, Char* format);
197 #endif // __PUB_TOOL_OPTIONS_H
199 /*--------------------------------------------------------------------*/
201 /*--------------------------------------------------------------------*/