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config.cpp
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1/*******************************************************************\
2
3Module:
4
5Author: Daniel Kroening, kroening@kroening.com
6
7\*******************************************************************/
8
9#include "config.h"
10
11#include "arith_tools.h"
12#include "cmdline.h"
13#include "cprover_prefix.h"
14#include "exception_utils.h"
15#include "namespace.h"
16#include "pointer_expr.h"
17#include "simplify_expr.h"
18#include "string2int.h"
19#include "string_utils.h"
20#include "symbol_table_base.h"
21
22#include <climits>
23#include <cstdlib>
24
26
31
33{
34 set_ILP32();
35}
36
38{
39 #ifdef _WIN32
40 set_LLP64();
41 #else
42 set_LP64();
43 #endif
44}
45
48{
49 bool_width=1*8;
50 int_width=4*8;
51 long_int_width=8*8;
52 char_width=1*8;
53 short_int_width=2*8;
54 long_long_int_width=8*8;
55 pointer_width=8*8;
56 single_width=4*8;
57 double_width=8*8;
58 long_double_width=16*8;
59 char_is_unsigned=false;
60 wchar_t_is_unsigned=false;
61 wchar_t_width=4*8;
62 alignment=1;
63 memory_operand_size=int_width/8;
64}
65
67// TODO: find the alignment restrictions (per type) of the different
68// architectures (currently: sizeof=alignedof)
69// TODO: implement the __attribute__((__aligned__(val)))
70
72{
73 bool_width=1*8;
74 int_width=8*8;
75 long_int_width=8*8;
76 char_width=1*8;
77 short_int_width=2*8;
78 long_long_int_width=8*8;
79 pointer_width=8*8;
80 single_width=4*8;
81 double_width=8*8;
82 long_double_width=8*8;
83 char_is_unsigned=false;
84 wchar_t_is_unsigned=false;
85 wchar_t_width=4*8;
86 alignment=1;
87 memory_operand_size=int_width/8;
88}
89
92{
93 bool_width=1*8;
94 int_width=4*8;
95 long_int_width=4*8;
96 char_width=1*8;
97 short_int_width=2*8;
98 long_long_int_width=8*8;
99 pointer_width=8*8;
100 single_width=4*8;
101 double_width=8*8;
102 long_double_width=8*8;
103 char_is_unsigned=false;
104 wchar_t_is_unsigned=false;
105 wchar_t_width=4*8;
106 alignment=1;
107 memory_operand_size=int_width/8;
108}
109
112{
113 bool_width=1*8;
114 int_width=4*8;
115 long_int_width=4*8;
116 char_width=1*8;
117 short_int_width=2*8;
118 long_long_int_width=8*8;
119 pointer_width=4*8;
120 single_width=4*8;
121 double_width=8*8;
122 long_double_width=12*8; // really 96 bits on GCC
123 char_is_unsigned=false;
124 wchar_t_is_unsigned=false;
125 wchar_t_width=4*8;
126 alignment=1;
127 memory_operand_size=int_width/8;
128}
129
132{
133 bool_width=1*8;
134 int_width=2*8;
135 long_int_width=4*8;
136 char_width=1*8;
137 short_int_width=2*8;
138 long_long_int_width=8*8;
139 pointer_width=4*8;
140 single_width=4*8;
141 double_width=8*8;
142 long_double_width=8*8;
143 char_is_unsigned=false;
144 wchar_t_is_unsigned=false;
145 wchar_t_width=4*8;
146 alignment=1;
147 memory_operand_size=int_width/8;
148}
149
151{
152 set_ILP32();
153 endianness=endiannesst::IS_LITTLE_ENDIAN;
154 char_is_unsigned=false;
155 NULL_is_zero=true;
156
157 switch(mode)
158 {
159 case flavourt::GCC:
160 case flavourt::CLANG:
161 defines.push_back("i386");
162 defines.push_back("__i386");
163 defines.push_back("__i386__");
164 if(mode == flavourt::CLANG)
165 defines.push_back("__LITTLE_ENDIAN__");
166 break;
167
168 case flavourt::VISUAL_STUDIO:
169 defines.push_back("_M_IX86");
170 break;
171
172 case flavourt::CODEWARRIOR:
173 case flavourt::ARM:
174 case flavourt::ANSI:
175 break;
176
177 case flavourt::NONE:
179 }
180}
181
183{
184 set_LP64();
185 endianness=endiannesst::IS_LITTLE_ENDIAN;
186 long_double_width=16*8;
187 char_is_unsigned=false;
188 NULL_is_zero=true;
189
190 switch(mode)
191 {
192 case flavourt::GCC:
193 case flavourt::CLANG:
194 defines.push_back("__LP64__");
195 defines.push_back("__x86_64");
196 defines.push_back("__x86_64__");
197 defines.push_back("_LP64");
198 defines.push_back("__amd64__");
199 defines.push_back("__amd64");
200
201 if(os == ost::OS_MACOS)
202 defines.push_back("__LITTLE_ENDIAN__");
203 break;
204
205 case flavourt::VISUAL_STUDIO:
206 defines.push_back("_M_X64");
207 defines.push_back("_M_AMD64");
208 break;
209
210 case flavourt::CODEWARRIOR:
211 case flavourt::ARM:
212 case flavourt::ANSI:
213 break;
214
215 case flavourt::NONE:
217 }
218}
219
221{
222 if(subarch=="powerpc")
223 set_ILP32();
224 else // ppc64 or ppc64le
225 set_LP64();
226
227 if(subarch=="ppc64le")
228 endianness=endiannesst::IS_LITTLE_ENDIAN;
229 else
230 endianness=endiannesst::IS_BIG_ENDIAN;
231
232 long_double_width=16*8;
233 char_is_unsigned=true;
234 NULL_is_zero=true;
235
236 switch(mode)
237 {
238 case flavourt::GCC:
239 case flavourt::CLANG:
240 defines.push_back("__powerpc");
241 defines.push_back("__powerpc__");
242 defines.push_back("__POWERPC__");
243 defines.push_back("__ppc__");
244
245 if(os == ost::OS_MACOS)
246 defines.push_back("__BIG_ENDIAN__");
247
248 if(subarch!="powerpc")
249 {
250 defines.push_back("__powerpc64");
251 defines.push_back("__powerpc64__");
252 defines.push_back("__PPC64__");
253 defines.push_back("__ppc64__");
254 if(subarch=="ppc64le")
255 {
256 defines.push_back("_CALL_ELF=2");
257 defines.push_back("__LITTLE_ENDIAN__");
258 }
259 else
260 {
261 defines.push_back("_CALL_ELF=1");
262 defines.push_back("__BIG_ENDIAN__");
263 }
264 }
265 break;
266
267 case flavourt::VISUAL_STUDIO:
268 defines.push_back("_M_PPC");
269 break;
270
271 case flavourt::CODEWARRIOR:
272 case flavourt::ARM:
273 case flavourt::ANSI:
274 break;
275
276 case flavourt::NONE:
278 }
279}
280
282{
283 if(subarch=="arm64")
284 {
285 set_LP64();
286 long_double_width=16*8;
287 }
288 else
289 {
290 set_ILP32();
291 long_double_width=8*8;
292 }
293
294 endianness=endiannesst::IS_LITTLE_ENDIAN;
295 char_is_unsigned=true;
296 NULL_is_zero=true;
297
298 switch(mode)
299 {
300 case flavourt::GCC:
301 case flavourt::CLANG:
302 if(subarch=="arm64")
303 defines.push_back("__aarch64__");
304 else
305 defines.push_back("__arm__");
306 if(subarch=="armhf")
307 defines.push_back("__ARM_PCS_VFP");
308 break;
309
310 case flavourt::VISUAL_STUDIO:
311 defines.push_back("_M_ARM");
312 break;
313
314 case flavourt::CODEWARRIOR:
315 case flavourt::ARM:
316 case flavourt::ANSI:
317 break;
318
319 case flavourt::NONE:
321 }
322}
323
325{
326 set_LP64();
327 endianness=endiannesst::IS_LITTLE_ENDIAN;
328 long_double_width=16*8;
329 char_is_unsigned=false;
330 NULL_is_zero=true;
331
332 switch(mode)
333 {
334 case flavourt::GCC:
335 defines.push_back("__alpha__");
336 break;
337
338 case flavourt::VISUAL_STUDIO:
339 defines.push_back("_M_ALPHA");
340 break;
341
342 case flavourt::CLANG:
343 case flavourt::CODEWARRIOR:
344 case flavourt::ARM:
345 case flavourt::ANSI:
346 break;
347
348 case flavourt::NONE:
350 }
351}
352
354{
355 if(subarch=="mipsel" ||
356 subarch=="mips" ||
357 subarch=="mipsn32el" ||
358 subarch=="mipsn32")
359 {
360 set_ILP32();
361 long_double_width=8*8;
362 }
363 else
364 {
365 set_LP64();
366 long_double_width=16*8;
367 }
368
369 if(subarch=="mipsel" ||
370 subarch=="mipsn32el" ||
371 subarch=="mips64el")
372 endianness=endiannesst::IS_LITTLE_ENDIAN;
373 else
374 endianness=endiannesst::IS_BIG_ENDIAN;
375
376 char_is_unsigned=false;
377 NULL_is_zero=true;
378
379 switch(mode)
380 {
381 case flavourt::GCC:
382 defines.push_back("__mips__");
383 defines.push_back("mips");
384 defines.push_back(
385 "_MIPS_SZPTR="+std::to_string(config.ansi_c.pointer_width));
386 break;
387
388 case flavourt::VISUAL_STUDIO:
389 UNREACHABLE; // not supported by Visual Studio
390 break;
391
392 case flavourt::CLANG:
393 case flavourt::CODEWARRIOR:
394 case flavourt::ARM:
395 case flavourt::ANSI:
396 break;
397
398 case flavourt::NONE:
400 }
401}
402
404{
405 set_LP64();
406 endianness = endiannesst::IS_LITTLE_ENDIAN;
407 long_double_width = 16 * 8;
408 char_is_unsigned = true;
409 NULL_is_zero = true;
410
411 switch(mode)
412 {
413 case flavourt::GCC:
414 defines.push_back("__riscv");
415 break;
416
417 case flavourt::VISUAL_STUDIO:
418 case flavourt::CLANG:
419 case flavourt::CODEWARRIOR:
420 case flavourt::ARM:
421 case flavourt::ANSI:
422 break;
423
424 case flavourt::NONE:
426 }
427}
428
430{
431 set_ILP32();
432 endianness=endiannesst::IS_BIG_ENDIAN;
433 long_double_width=16*8;
434 char_is_unsigned=true;
435 NULL_is_zero=true;
436
437 switch(mode)
438 {
439 case flavourt::GCC:
440 defines.push_back("__s390__");
441 break;
442
443 case flavourt::VISUAL_STUDIO:
444 UNREACHABLE; // not supported by Visual Studio
445 break;
446
447 case flavourt::CLANG:
448 case flavourt::CODEWARRIOR:
449 case flavourt::ARM:
450 case flavourt::ANSI:
451 break;
452
453 case flavourt::NONE:
455 }
456}
457
459{
460 set_LP64();
461 endianness=endiannesst::IS_BIG_ENDIAN;
462 char_is_unsigned=true;
463 NULL_is_zero=true;
464
465 switch(mode)
466 {
467 case flavourt::GCC:
468 defines.push_back("__s390x__");
469 break;
470
471 case flavourt::VISUAL_STUDIO:
472 UNREACHABLE; // not supported by Visual Studio
473 break;
474
475 case flavourt::CLANG:
476 case flavourt::CODEWARRIOR:
477 case flavourt::ARM:
478 case flavourt::ANSI:
479 break;
480
481 case flavourt::NONE:
483 }
484}
485
487{
488 if(subarch=="sparc64")
489 {
490 set_LP64();
491 long_double_width=16*8;
492 }
493 else
494 {
495 set_ILP32();
496 long_double_width=16*8;
497 }
498
499 endianness=endiannesst::IS_BIG_ENDIAN;
500 char_is_unsigned=false;
501 NULL_is_zero=true;
502
503 switch(mode)
504 {
505 case flavourt::GCC:
506 defines.push_back("__sparc__");
507 if(subarch=="sparc64")
508 defines.push_back("__arch64__");
509 break;
510
511 case flavourt::VISUAL_STUDIO:
512 UNREACHABLE; // not supported by Visual Studio
513 break;
514
515 case flavourt::CLANG:
516 case flavourt::CODEWARRIOR:
517 case flavourt::ARM:
518 case flavourt::ANSI:
519 break;
520
521 case flavourt::NONE:
523 }
524}
525
527{
528 set_LP64();
529 long_double_width=16*8;
530 endianness=endiannesst::IS_LITTLE_ENDIAN;
531 char_is_unsigned=false;
532 NULL_is_zero=true;
533
534 switch(mode)
535 {
536 case flavourt::GCC:
537 defines.push_back("__ia64__");
538 defines.push_back("_IA64");
539 defines.push_back("__IA64__");
540 break;
541
542 case flavourt::VISUAL_STUDIO:
543 defines.push_back("_M_IA64");
544 break;
545
546 case flavourt::CLANG:
547 case flavourt::CODEWARRIOR:
548 case flavourt::ARM:
549 case flavourt::ANSI:
550 break;
551
552 case flavourt::NONE:
554 }
555}
556
558{
559 // This is a variant of x86_64 that has
560 // 32-bit long int and 32-bit pointers.
561 set_ILP32();
562 long_double_width=16*8; // different from i386
563 endianness=endiannesst::IS_LITTLE_ENDIAN;
564 char_is_unsigned=false;
565 NULL_is_zero=true;
566
567 switch(mode)
568 {
569 case flavourt::GCC:
570 defines.push_back("__ILP32__");
571 defines.push_back("__x86_64");
572 defines.push_back("__x86_64__");
573 defines.push_back("__amd64__");
574 defines.push_back("__amd64");
575 break;
576
577 case flavourt::VISUAL_STUDIO:
578 UNREACHABLE; // not supported by Visual Studio
579 break;
580
581 case flavourt::CLANG:
582 case flavourt::CODEWARRIOR:
583 case flavourt::ARM:
584 case flavourt::ANSI:
585 break;
586
587 case flavourt::NONE:
589 }
590}
591
594{
595 // The Renesas V850 is a 32-bit microprocessor used in
596 // many automotive applications. This spec is written from the
597 // architecture manual rather than having access to a running
598 // system. Thus some assumptions have been made.
599
600 set_ILP32();
601
602 // Technically, the V850's don't have floating-point at all.
603 // However, the RH850, aimed at automotive has both 32-bit and
604 // 64-bit IEEE-754 float.
605 double_width=8*8;
606 long_double_width=8*8;
607 endianness=endiannesst::IS_LITTLE_ENDIAN;
608
609 // Without information about the compiler and RTOS, these are guesses
610 char_is_unsigned=false;
611 NULL_is_zero=true;
612
613 // No preprocessor definitions due to lack of information
614}
615
617{
618 set_ILP32();
619 long_double_width=8*8; // different from i386
620 endianness=endiannesst::IS_BIG_ENDIAN;
621 char_is_unsigned=false;
622 NULL_is_zero=true;
623
624 switch(mode)
625 {
626 case flavourt::GCC:
627 defines.push_back("__hppa__");
628 break;
629
630 case flavourt::VISUAL_STUDIO:
631 UNREACHABLE; // not supported by Visual Studio
632 break;
633
634 case flavourt::CLANG:
635 case flavourt::CODEWARRIOR:
636 case flavourt::ARM:
637 case flavourt::ANSI:
638 break;
639
640 case flavourt::NONE:
642 }
643}
644
646{
647 set_ILP32();
648 long_double_width=8*8; // different from i386
649 endianness=endiannesst::IS_LITTLE_ENDIAN;
650 char_is_unsigned=false;
651 NULL_is_zero=true;
652
653 switch(mode)
654 {
655 case flavourt::GCC:
656 defines.push_back("__sh__");
657 defines.push_back("__SH4__");
658 break;
659
660 case flavourt::VISUAL_STUDIO:
661 UNREACHABLE; // not supported by Visual Studio
662 break;
663
664 case flavourt::CLANG:
665 case flavourt::CODEWARRIOR:
666 case flavourt::ARM:
667 case flavourt::ANSI:
668 break;
669
670 case flavourt::NONE:
672 }
673}
674
676{
677 set_LP64();
678 endianness = endiannesst::IS_LITTLE_ENDIAN;
679 long_double_width = 16 * 8;
680 char_is_unsigned = false;
681 NULL_is_zero = true;
682
683 switch(mode)
684 {
685 case flavourt::GCC:
686 defines.push_back("__loongarch__");
687 break;
688
689 case flavourt::VISUAL_STUDIO:
690 UNREACHABLE; // not supported by Visual Studio
691 break;
692
693 case flavourt::CODEWARRIOR:
694 case flavourt::CLANG:
695 case flavourt::ARM:
696 case flavourt::ANSI:
697 break;
698
699 case flavourt::NONE:
701 }
702}
703
705{
706 set_ILP32();
707 endianness = endiannesst::IS_LITTLE_ENDIAN;
708 long_double_width = 16 * 8;
709 char_is_unsigned = false;
710 NULL_is_zero = true;
711
712 switch(mode)
713 {
714 case flavourt::CLANG:
715 defines.push_back("__EMSCRIPTEN__");
716 break;
717
718 case flavourt::VISUAL_STUDIO:
719 UNREACHABLE; // not supported by Visual Studio
720 break;
721
722 case flavourt::GCC:
723 case flavourt::CODEWARRIOR:
724 case flavourt::ARM:
725 case flavourt::ANSI:
726 break;
727
728 case flavourt::NONE:
730 }
731}
732
734{
735#if defined(__APPLE__)
736 // By default, clang on the Mac builds C code in GNU C11
737 return c_standardt::C11;
738#elif defined(__FreeBSD__) || defined(__OpenBSD__)
739 // By default, clang on FreeBSD builds C code in GNU C99
740 // By default, clang on OpenBSD builds C code in C99
741 return c_standardt::C99;
742#else
743 // By default, gcc 5.4 or higher use gnu11; older versions use gnu89
744 return c_standardt::C11;
745#endif
746}
747
749{
750 // g++ 6.3 uses gnu++14
751 // g++ 5.4 uses gnu++98
752 // clang 6.0 uses c++14
753 #if defined _WIN32
754 return cpp_standardt::CPP14;
755 #else
756 return cpp_standardt::CPP98;
757 #endif
758}
759
761{
762 ansi_c.arch=arch;
763
764 if(arch=="none")
765 {
766 // the architecture for people who can't commit
769 ansi_c.NULL_is_zero=false;
770
771 if(sizeof(long int)==8)
772 ansi_c.set_64();
773 else
774 ansi_c.set_32();
775 }
776 else if(arch=="alpha")
778 else if(arch=="arm64" ||
779 arch=="armel" ||
780 arch=="armhf" ||
781 arch=="arm")
783 else if(arch=="mips64el" ||
784 arch=="mipsn32el" ||
785 arch=="mipsel" ||
786 arch=="mips64" ||
787 arch=="mipsn32" ||
788 arch=="mips")
790 else if(arch=="powerpc" ||
791 arch=="ppc64" ||
792 arch=="ppc64le")
794 else if(arch == "riscv64")
796 else if(arch=="sparc" ||
797 arch=="sparc64")
799 else if(arch=="ia64")
801 else if(arch=="s390x")
803 else if(arch=="s390")
805 else if(arch=="x32")
807 else if(arch=="v850")
809 else if(arch=="hppa")
811 else if(arch=="sh4")
813 else if(arch=="x86_64")
815 else if(arch=="i386")
817 else if(arch == "loongarch64")
819 else if(arch == "emscripten")
821 else
822 {
823 // We run on something new and unknown.
824 // We verify for i386 instead.
826 ansi_c.arch="i386";
827 }
828}
829
838 const std::string &argument,
839 const std::size_t pointer_width)
840{
841 const auto throw_for_reason = [&](const std::string &reason) {
843 "Value of \"" + argument + "\" given for object-bits is " + reason +
844 ". object-bits must be positive and less than the pointer width (" +
845 std::to_string(pointer_width) + ") ",
846 "--object_bits");
847 };
848 const auto object_bits = string2optional<unsigned int>(argument);
849 if(!object_bits)
850 throw_for_reason("not a valid unsigned integer");
851 if(*object_bits == 0 || *object_bits >= pointer_width)
852 throw_for_reason("out of range");
853
855 bv_encoding.object_bits = *object_bits;
857 return bv_encoding;
858}
859
860bool configt::set(const cmdlinet &cmdline)
861{
862 // defaults -- we match the architecture we have ourselves
863
865
867 ansi_c.for_has_scope=true; // C99 or later
870 ansi_c.float16_type = false;
871 ansi_c.bf16_type = false;
872 ansi_c.fp16_type = false;
876 ansi_c.arch="none";
878 // NOLINTNEXTLINE(readability/casting)
879 ansi_c.NULL_is_zero=reinterpret_cast<size_t>(nullptr)==0;
880
881 // Default is ROUND_TO_EVEN, justified by C99:
882 // 1 At program startup the floating-point environment is initialized as
883 // prescribed by IEC 60559:
884 // - All floating-point exception status flags are cleared.
885 // - The rounding direction mode is rounding to nearest.
887
888 if(cmdline.isset("function"))
889 main=cmdline.get_value("function");
890
891 if(cmdline.isset('D'))
892 ansi_c.defines=cmdline.get_values('D');
893
894 if(cmdline.isset('I'))
895 ansi_c.include_paths=cmdline.get_values('I');
896
897 if(cmdline.isset("classpath"))
898 {
899 // Specifying -classpath or -cp overrides any setting of the
900 // CLASSPATH environment variable.
901 set_classpath(cmdline.get_value("classpath"));
902 }
903 else if(cmdline.isset("cp"))
904 {
905 // Specifying -classpath or -cp overrides any setting of the
906 // CLASSPATH environment variable.
907 set_classpath(cmdline.get_value("cp"));
908 }
909 else
910 {
911 // environment variable set?
912 const char *CLASSPATH=getenv("CLASSPATH");
913 if(CLASSPATH!=nullptr)
914 set_classpath(CLASSPATH);
915 else
916 set_classpath("."); // default
917 }
918
919 if(cmdline.isset("main-class"))
920 java.main_class=cmdline.get_value("main-class");
921
922 if(cmdline.isset("include"))
923 ansi_c.include_files=cmdline.get_values("include");
924
925 // the default architecture is the one we run on
926 irep_idt this_arch=this_architecture();
927 irep_idt arch=this_arch;
928
929 // let's pick an OS now
930 // the default is the one we run on
932 irep_idt os=this_os;
933
934 if(cmdline.isset("i386-linux"))
935 {
936 os="linux";
937 arch="i386";
938 }
939 else if(cmdline.isset("i386-win32") ||
940 cmdline.isset("win32"))
941 {
942 os="windows";
943 arch="i386";
944 }
945 else if(cmdline.isset("winx64"))
946 {
947 os="windows";
948 arch="x86_64";
949 }
950 else if(cmdline.isset("i386-macos"))
951 {
952 os="macos";
953 arch="i386";
954 }
955 else if(cmdline.isset("ppc-macos"))
956 {
957 arch="powerpc";
958 os="macos";
959 }
960
961 if(cmdline.isset("arch"))
962 {
963 arch=cmdline.get_value("arch");
964 }
965
966 if(cmdline.isset("os"))
967 {
968 os=cmdline.get_value("os");
969 }
970
971 if(os=="windows")
972 {
973 // Cygwin uses GCC throughout, use i386-linux
974 // MinGW needs --win32 --gcc
977
978 if(cmdline.isset("gcc"))
979 {
980 // There are gcc versions that target Windows (MinGW for example),
981 // and we support that.
984
985 // enable Cygwin
986 #ifdef _WIN32
987 ansi_c.defines.push_back("__CYGWIN__");
988 #endif
989
990 // MinGW has extra defines
991 ansi_c.defines.push_back("__int64=long long");
992 }
993 else
994 {
995 // On Windows, our default is Visual Studio.
996 // On FreeBSD, it's clang.
997 // On anything else, it's GCC as the preprocessor,
998 // but we recognize the Visual Studio language,
999 // which is somewhat inconsistent.
1000 #ifdef _WIN32
1003#elif defined(__FreeBSD__) || defined(__OpenBSD__)
1006#else
1009#endif
1010
1012 }
1013 }
1014 else if(os=="macos")
1015 {
1020 // configure_gcc sets these with additional version-of-clang level of
1021 // detail, but the below are reasonable defaults for modern clang
1022 // installations
1024 ansi_c.float16_type = true;
1025 ansi_c.bf16_type = true;
1026 ansi_c.fp16_type = true;
1027 }
1028 else if(os == "linux" || os == "solaris" || os == "netbsd" || os == "hurd")
1029 {
1034 }
1035 else if(os == "freebsd" || os == "openbsd")
1036 {
1041 // configure_gcc sets these with additional version-of-clang level of
1042 // detail, but the below are reasonable defaults for modern clang
1043 // installations
1045 ansi_c.float16_type = true;
1046 ansi_c.bf16_type = true;
1047 ansi_c.fp16_type = true;
1048 }
1049 else
1050 {
1051 // give up, but use reasonable defaults
1056 }
1057
1060
1061 set_arch(arch);
1062
1063 if(os=="windows")
1064 {
1065 // note that sizeof(void *)==8, but sizeof(long)==4!
1066 if(arch=="x86_64")
1067 ansi_c.set_LLP64();
1068
1069 // On Windows, wchar_t is unsigned 16 bit, regardless
1070 // of the compiler used.
1073
1074 // long double is the same as double in Visual Studio,
1075 // but it's 16 bytes with GCC with the 64-bit target.
1076 if(arch == "x86_64" && cmdline.isset("gcc"))
1078 else
1080 }
1081 else if(os == "macos" && arch == "arm64")
1082 {
1083 // https://developer.apple.com/documentation/xcode/
1084 // writing_arm64_code_for_apple_platforms#//apple_ref/doc/uid/TP40013702-SW1
1085 ansi_c.char_is_unsigned = false;
1086 ansi_c.long_double_width = 8 * 8;
1087 }
1088
1089 // Let's check some of the type widths in case we run
1090 // the same architecture and OS that we are verifying for.
1091 if(arch==this_arch && os==this_os)
1092 {
1093 INVARIANT(
1094 ansi_c.int_width == sizeof(int) * CHAR_BIT,
1095 "int width shall be equal to the system int width");
1096 INVARIANT(
1097 ansi_c.long_int_width == sizeof(long) * CHAR_BIT,
1098 "long int width shall be equal to the system long int width");
1099 INVARIANT(
1100 ansi_c.bool_width == sizeof(bool) * CHAR_BIT,
1101 "bool width shall be equal to the system bool width");
1102 INVARIANT(
1103 ansi_c.char_width == sizeof(char) * CHAR_BIT,
1104 "char width shall be equal to the system char width");
1105 INVARIANT(
1106 ansi_c.short_int_width == sizeof(short) * CHAR_BIT,
1107 "short int width shall be equal to the system short int width");
1108 INVARIANT(
1109 ansi_c.long_long_int_width == sizeof(long long) * CHAR_BIT,
1110 "long long int width shall be equal to the system long long int width");
1111 INVARIANT(
1112 ansi_c.pointer_width == sizeof(void *) * CHAR_BIT,
1113 "pointer width shall be equal to the system pointer width");
1114 INVARIANT(
1115 ansi_c.single_width == sizeof(float) * CHAR_BIT,
1116 "float width shall be equal to the system float width");
1117 INVARIANT(
1118 ansi_c.double_width == sizeof(double) * CHAR_BIT,
1119 "double width shall be equal to the system double width");
1120 INVARIANT(
1122 (static_cast<char>((1 << CHAR_BIT) - 1) == (1 << CHAR_BIT) - 1),
1123 "char_is_unsigned flag shall indicate system char unsignedness");
1124
1125#ifndef _WIN32
1126 // On Windows, long double width varies by compiler
1127 INVARIANT(
1128 ansi_c.long_double_width == sizeof(long double) * CHAR_BIT,
1129 "long double width shall be equal to the system long double width");
1130#endif
1131 }
1132
1133 // the following allows overriding the defaults
1134
1135 if(cmdline.isset("16"))
1136 ansi_c.set_16();
1137
1138 if(cmdline.isset("32"))
1139 ansi_c.set_32();
1140
1141 if(cmdline.isset("64"))
1142 ansi_c.set_64();
1143
1144 if(cmdline.isset("LP64"))
1145 ansi_c.set_LP64(); // int=32, long=64, pointer=64
1146
1147 if(cmdline.isset("ILP64"))
1148 ansi_c.set_ILP64(); // int=64, long=64, pointer=64
1149
1150 if(cmdline.isset("LLP64"))
1151 ansi_c.set_LLP64(); // int=32, long=32, pointer=64
1152
1153 if(cmdline.isset("ILP32"))
1154 ansi_c.set_ILP32(); // int=32, long=32, pointer=32
1155
1156 if(cmdline.isset("LP32"))
1157 ansi_c.set_LP32(); // int=16, long=32, pointer=32
1158
1159 if(cmdline.isset("string-abstraction"))
1161 else
1163
1164 if(cmdline.isset("no-library"))
1166
1167 if(cmdline.isset("little-endian"))
1169
1170 if(cmdline.isset("big-endian"))
1172
1173 if(cmdline.isset("little-endian") &&
1174 cmdline.isset("big-endian"))
1175 return true;
1176
1177 if(cmdline.isset("unsigned-char"))
1179
1180 if(cmdline.isset("round-to-even") ||
1181 cmdline.isset("round-to-nearest"))
1183
1184 if(cmdline.isset("round-to-plus-inf"))
1186
1187 if(cmdline.isset("round-to-minus-inf"))
1189
1190 if(cmdline.isset("round-to-zero"))
1192
1193 if(cmdline.isset("object-bits"))
1194 {
1196 cmdline.get_value("object-bits"), ansi_c.pointer_width);
1197 }
1198
1199 if(cmdline.isset("malloc-fail-assert") && cmdline.isset("malloc-fail-null"))
1200 {
1202 "at most one malloc failure mode is acceptable", "--malloc-fail-null"};
1203 }
1204 if(cmdline.isset("malloc-fail-null"))
1206 if(cmdline.isset("malloc-fail-assert"))
1208
1209 if(cmdline.isset("malloc-may-fail"))
1210 {
1211 ansi_c.malloc_may_fail = true;
1212 }
1213 if(cmdline.isset("no-malloc-may-fail"))
1214 {
1215 ansi_c.malloc_may_fail = false;
1217 }
1218
1219 if(cmdline.isset("c89"))
1220 ansi_c.set_c89();
1221
1222 if(cmdline.isset("c99"))
1223 ansi_c.set_c99();
1224
1225 if(cmdline.isset("c11"))
1226 ansi_c.set_c11();
1227
1228 if(cmdline.isset("cpp98"))
1229 cpp.set_cpp98();
1230
1231 if(cmdline.isset("cpp03"))
1232 cpp.set_cpp03();
1233
1234 if(cmdline.isset("cpp11"))
1235 cpp.set_cpp11();
1236
1237 // set the upper bound for argc
1238 if(os == "windows")
1239 {
1240 // On Windows, CreateProcess accepts no more than 32767 characters, so make
1241 // that a hard limit.
1242 ansi_c.max_argc = mp_integer{32767};
1243 }
1244 else
1245 {
1246 // For other systems assume argc is no larger than the what would make argv
1247 // the largest representable array (when using signed integers to represent
1248 // array sizes):
1249 // 2^(pointer_width - 1) / (pointer_width / char_width) is the maximum
1250 // number of argv elements sysconf(ARG_MAX) is likely much lower than this,
1251 // but we don't know that value for the verification target platform.
1252 const auto pointer_bits_2log =
1254 if(ansi_c.pointer_width - pointer_bits_2log - 1 <= ansi_c.int_width)
1255 {
1257 power(2, config.ansi_c.int_width - pointer_bits_2log - 1);
1258 }
1259 // otherwise we leave argc unconstrained
1260 }
1261
1262 return false;
1263}
1264
1266{
1267 // clang-format off
1268 switch(os)
1269 {
1270 case ost::OS_LINUX: return "linux";
1271 case ost::OS_MACOS: return "macos";
1272 case ost::OS_WIN: return "win";
1273 case ost::NO_OS: return "none";
1274 }
1275 // clang-format on
1276
1278}
1279
1281{
1282 if(os=="linux")
1283 return ost::OS_LINUX;
1284 else if(os=="macos")
1285 return ost::OS_MACOS;
1286 else if(os=="win")
1287 return ost::OS_WIN;
1288 else
1289 return ost::NO_OS;
1290}
1291
1293 const namespacet &ns,
1294 const std::string &what)
1295{
1296 const irep_idt id=CPROVER_PREFIX "architecture_"+what;
1297 const symbolt *symbol;
1298
1299 const bool not_found = ns.lookup(id, symbol);
1300 INVARIANT(!not_found, id2string(id) + " must be in namespace");
1301
1302 const exprt &tmp=symbol->value;
1303
1304 INVARIANT(
1305 tmp.id() == ID_address_of &&
1306 to_address_of_expr(tmp).object().id() == ID_index &&
1307 to_index_expr(to_address_of_expr(tmp).object()).array().id() ==
1308 ID_string_constant,
1309 "symbol table configuration entry '" + id2string(id) +
1310 "' must be a string constant");
1311
1312 return to_index_expr(to_address_of_expr(tmp).object()).array().get(ID_value);
1313}
1314
1315static unsigned unsigned_from_ns(
1316 const namespacet &ns,
1317 const std::string &what)
1318{
1319 const irep_idt id=CPROVER_PREFIX "architecture_"+what;
1320 const symbolt *symbol;
1321
1322 const bool not_found = ns.lookup(id, symbol);
1323 INVARIANT(!not_found, id2string(id) + " must be in namespace");
1324
1325 exprt tmp=symbol->value;
1326 simplify(tmp, ns);
1327
1328 INVARIANT(
1329 tmp.is_constant(),
1330 "symbol table configuration entry '" + id2string(id) +
1331 "' must be a constant");
1332
1333 mp_integer int_value;
1334
1335 const bool error = to_integer(to_constant_expr(tmp), int_value);
1336 INVARIANT(
1337 !error,
1338 "symbol table configuration entry '" + id2string(id) +
1339 "' must be convertible to mp_integer");
1340
1341 return numeric_cast_v<unsigned>(int_value);
1342}
1343
1345{
1346 // maybe not compiled from C/C++
1347 if(symbol_table.symbols.find(CPROVER_PREFIX "architecture_" "int_width")==
1348 symbol_table.symbols.end())
1349 return;
1350
1351 namespacet ns(symbol_table);
1352
1353 // clear defines
1354 ansi_c.defines.clear();
1355
1356 // first set architecture to get some defaults
1357 if(symbol_table.symbols.find(CPROVER_PREFIX "architecture_" "arch")==
1358 symbol_table.symbols.end())
1360 else
1361 set_arch(string_from_ns(ns, "arch"));
1362
1363 ansi_c.int_width=unsigned_from_ns(ns, "int_width");
1364 ansi_c.long_int_width=unsigned_from_ns(ns, "long_int_width");
1365 ansi_c.bool_width=1*8;
1366 ansi_c.char_width=unsigned_from_ns(ns, "char_width");
1367 ansi_c.short_int_width=unsigned_from_ns(ns, "short_int_width");
1368 ansi_c.long_long_int_width=unsigned_from_ns(ns, "long_long_int_width");
1369 ansi_c.pointer_width=unsigned_from_ns(ns, "pointer_width");
1370 ansi_c.single_width=unsigned_from_ns(ns, "single_width");
1371 ansi_c.double_width=unsigned_from_ns(ns, "double_width");
1372 ansi_c.long_double_width=unsigned_from_ns(ns, "long_double_width");
1373 ansi_c.wchar_t_width=unsigned_from_ns(ns, "wchar_t_width");
1374
1375 ansi_c.char_is_unsigned=unsigned_from_ns(ns, "char_is_unsigned")!=0;
1376 ansi_c.wchar_t_is_unsigned=unsigned_from_ns(ns, "wchar_t_is_unsigned")!=0;
1377 // for_has_scope, single_precision_constant, rounding_mode,
1378 // ts_18661_3_Floatn_types, __float128_is_keyword, float16_type, bf16_type,
1379 // fp16_type are not architectural features, and thus not stored in namespace
1380
1381 ansi_c.alignment=unsigned_from_ns(ns, "alignment");
1382
1383 ansi_c.memory_operand_size=unsigned_from_ns(ns, "memory_operand_size");
1384
1386
1387 if(symbol_table.symbols.find(CPROVER_PREFIX "architecture_" "os")==
1388 symbol_table.symbols.end())
1390 else
1392
1393 ansi_c.NULL_is_zero = unsigned_from_ns(ns, "NULL_is_zero") != 0;
1394
1395 // mode, preprocessor (and all preprocessor command line options),
1396 // lib, string_abstraction not stored in namespace
1397
1399}
1400
1404 const symbol_table_baset &symbol_table)
1405{
1406 // has been overridden by command line option,
1407 // thus do not apply language defaults
1409 return;
1410
1411 // set object_bits according to entry point language
1412 if(const auto maybe_symbol=symbol_table.lookup(CPROVER_PREFIX "_start"))
1413 {
1414 const symbolt &entry_point_symbol=*maybe_symbol;
1415
1416 if(entry_point_symbol.mode==ID_java)
1418 else if(entry_point_symbol.mode==ID_C)
1420 else if(entry_point_symbol.mode==ID_cpp)
1424 "object_bits should fit into pointer width");
1425 }
1426}
1427
1429{
1430 return "Running with "+std::to_string(bv_encoding.object_bits)+
1431 " object bits, "+
1433 " offset bits ("+
1434 (bv_encoding.is_object_bits_default ? "default" : "user-specified")+
1435 ")";
1436}
1437
1438// clang-format off
1440{
1441 irep_idt this_arch;
1442
1443 // following http://wiki.debian.org/ArchitectureSpecificsMemo
1444
1445 #ifdef __alpha__
1446 this_arch = "alpha";
1447 #elif defined(__armel__)
1448 this_arch = "armel";
1449 #elif defined(__aarch64__)
1450 this_arch = "arm64";
1451 #elif defined(__arm__)
1452 #ifdef __ARM_PCS_VFP
1453 this_arch = "armhf"; // variant of arm with hard float
1454 #else
1455 this_arch = "arm";
1456 #endif
1457 #elif defined(_MIPSEL)
1458 #if _MIPS_SIM==_ABIO32
1459 this_arch = "mipsel";
1460 #elif _MIPS_SIM==_ABIN32
1461 this_arch = "mipsn32el";
1462 #else
1463 this_arch = "mips64el";
1464 #endif
1465 #elif defined(__mips__)
1466 #if _MIPS_SIM==_ABIO32
1467 this_arch = "mips";
1468 #elif _MIPS_SIM==_ABIN32
1469 this_arch = "mipsn32";
1470 #else
1471 this_arch = "mips64";
1472 #endif
1473 #elif defined(__powerpc__)
1474 #if defined(__ppc64__) || defined(__PPC64__) || \
1475 defined(__powerpc64__) || defined(__POWERPC64__)
1476 #ifdef __LITTLE_ENDIAN__
1477 this_arch = "ppc64le";
1478 #else
1479 this_arch = "ppc64";
1480 #endif
1481 #else
1482 this_arch = "powerpc";
1483 #endif
1484 #elif defined(__riscv)
1485 this_arch = "riscv64";
1486 #elif defined(__sparc__)
1487 #ifdef __arch64__
1488 this_arch = "sparc64";
1489 #else
1490 this_arch = "sparc";
1491 #endif
1492 #elif defined(__ia64__)
1493 this_arch = "ia64";
1494 #elif defined(__s390x__)
1495 this_arch = "s390x";
1496 #elif defined(__s390__)
1497 this_arch = "s390";
1498 #elif defined(__x86_64__)
1499 #ifdef __ILP32__
1500 this_arch = "x32"; // variant of x86_64 with 32-bit pointers
1501 #else
1502 this_arch = "x86_64";
1503 #endif
1504 #elif defined(__i386__)
1505 this_arch = "i386";
1506 #elif defined(_WIN64)
1507 this_arch = "x86_64";
1508 #elif defined(_WIN32)
1509 this_arch = "i386";
1510 #elif defined(__hppa__)
1511 this_arch = "hppa";
1512 #elif defined(__sh__)
1513 this_arch = "sh4";
1514 #elif defined(__loongarch__)
1515 this_arch = "loongarch64";
1516 #elif defined(__EMSCRIPTEN__)
1517 this_arch = "emscripten";
1518 #else
1519 // something new and unknown!
1520 this_arch = "unknown";
1521 #endif
1522
1523 return this_arch;
1524}
1525// clang-format on
1526
1527void configt::set_classpath(const std::string &cp)
1528{
1529// These are separated by colons on Unix, and semicolons on
1530// Windows.
1531#ifdef _WIN32
1532 const char cp_separator = ';';
1533#else
1534 const char cp_separator = ':';
1535#endif
1536
1537 std::vector<std::string> class_path =
1538 split_string(cp, cp_separator);
1539 java.classpath.insert(
1540 java.classpath.end(), class_path.begin(), class_path.end());
1541}
1542
1544{
1545 irep_idt this_os;
1546
1547 #ifdef _WIN32
1548 this_os="windows";
1549 #elif __APPLE__
1550 this_os="macos";
1551 #elif __FreeBSD__
1552 this_os="freebsd";
1553#elif __OpenBSD__
1554 this_os = "openbsd";
1555#elif __NetBSD__
1556 this_os = "netbsd";
1557#elif __linux__
1558 this_os="linux";
1559#elif __SVR4
1560 this_os="solaris";
1561#elif __gnu_hurd__
1562 this_os = "hurd";
1563#elif __EMSCRIPTEN__
1564 this_os = "emscripten";
1565#else
1566 this_os="unknown";
1567#endif
1568
1569 return this_os;
1570}
1571
1585{
1589 const auto offset_bits = ansi_c.pointer_width - bv_encoding.object_bits;
1590 // We require the offset to be able to express upto allocation_size - 1,
1591 // but also down to -allocation_size, therefore the size is allowable
1592 // is number of bits, less the signed bit.
1593 const auto bits_for_positive_offset = offset_bits - 1;
1594 return ((mp_integer)1) << (mp_integer)bits_for_positive_offset;
1595}
std::size_t address_bits(const mp_integer &size)
ceil(log2(size))
bool to_integer(const constant_exprt &expr, mp_integer &int_value)
Convert a constant expression expr to an arbitrary-precision integer.
mp_integer power(const mp_integer &base, const mp_integer &exponent)
A multi-precision implementation of the power operator.
Target numeric_cast_v(const mp_integer &arg)
Convert an mp_integer to integral type Target An invariant will fail if the conversion is not possibl...
std::string get_value(char option) const
Definition cmdline.cpp:48
virtual bool isset(char option) const
Definition cmdline.cpp:30
const std::list< std::string > & get_values(const std::string &option) const
Definition cmdline.cpp:109
Globally accessible architectural configuration.
Definition config.h:132
void set_object_bits_from_symbol_table(const symbol_table_baset &)
Sets the number of bits used for object addresses.
Definition config.cpp:1403
void set_arch(const irep_idt &)
Definition config.cpp:760
struct configt::bv_encodingt bv_encoding
bool set(const cmdlinet &cmdline)
Definition config.cpp:860
std::string object_bits_info()
Definition config.cpp:1428
void set_classpath(const std::string &cp)
Definition config.cpp:1527
mp_integer max_malloc_size() const
The maximum allocation size is determined by the number of bits that are left in the pointer of width...
Definition config.cpp:1584
void set_from_symbol_table(const symbol_table_baset &)
Definition config.cpp:1344
static irep_idt this_architecture()
Definition config.cpp:1439
std::optional< std::string > main
Definition config.h:360
struct configt::javat java
struct configt::cppt cpp
static irep_idt this_operating_system()
Definition config.cpp:1543
struct configt::ansi_ct ansi_c
dstringt has one field, an unsigned integer no which is an index into a static table of strings.
Definition dstring.h:38
Base class for all expressions.
Definition expr.h:56
bool is_constant() const
Return whether the expression is a constant.
Definition expr.h:212
exprt & array()
Definition std_expr.h:1495
Thrown when users pass incorrect command line arguments, for example passing no files to analysis or ...
const irep_idt & get(const irep_idt &name) const
Definition irep.cpp:44
const irep_idt & id() const
Definition irep.h:388
A namespacet is essentially one or two symbol tables bound together, to allow for symbol lookups in t...
Definition namespace.h:94
bool lookup(const irep_idt &name, const symbolt *&symbol) const override
See documentation for namespace_baset::lookup().
The symbol table base class interface.
const symbolt * lookup(const irep_idt &name) const
Find a symbol in the symbol table for read-only access.
const symbolst & symbols
Read-only field, used to look up symbols given their names.
Symbol table entry.
Definition symbol.h:28
exprt value
Initial value of symbol.
Definition symbol.h:34
irep_idt mode
Language mode.
Definition symbol.h:49
configt::bv_encodingt parse_object_bits_encoding(const std::string &argument, const std::size_t pointer_width)
Parses the object_bits argument from the command line arguments.
Definition config.cpp:837
static unsigned unsigned_from_ns(const namespacet &ns, const std::string &what)
Definition config.cpp:1315
configt config
Definition config.cpp:25
static irep_idt string_from_ns(const namespacet &ns, const std::string &what)
Definition config.cpp:1292
configt config
Definition config.cpp:25
#define CPROVER_PREFIX
const std::string & id2string(const irep_idt &d)
Definition irep.h:44
mp_integer alignment(const typet &type, const namespacet &ns)
Definition padding.cpp:23
API to expression classes for Pointers.
const address_of_exprt & to_address_of_expr(const exprt &expr)
Cast an exprt to an address_of_exprt.
bool simplify(exprt &expr, const namespacet &ns)
BigInt mp_integer
Definition smt_terms.h:17
#define UNREACHABLE
This should be used to mark dead code.
Definition invariant.h:525
#define DATA_INVARIANT(CONDITION, REASON)
This condition should be used to document that assumptions that are made on goto_functions,...
Definition invariant.h:534
#define PRECONDITION(CONDITION)
Definition invariant.h:463
#define INVARIANT(CONDITION, REASON)
This macro uses the wrapper function 'invariant_violated_string'.
Definition invariant.h:423
const index_exprt & to_index_expr(const exprt &expr)
Cast an exprt to an index_exprt.
Definition std_expr.h:1533
const constant_exprt & to_constant_expr(const exprt &expr)
Cast an exprt to a constant_exprt.
Definition std_expr.h:3037
std::optional< T > string2optional(const std::string &str, int base=10)
convert a string to an integer, given the base of the representation works with signed and unsigned i...
Definition string2int.h:111
void split_string(const std::string &s, char delim, std::vector< std::string > &result, bool strip, bool remove_empty)
std::size_t long_double_width
Definition config.h:146
std::list< std::string > include_paths
Definition config.h:272
bool for_has_scope
Definition config.h:151
void set_arch_spec_x32()
Definition config.cpp:557
enum configt::ansi_ct::c_standardt c_standard
void set_arch_spec_riscv64()
Definition config.cpp:403
endiannesst endianness
Definition config.h:209
bool float16_type
Definition config.h:155
void set_arch_spec_sh4()
Definition config.cpp:645
void set_arch_spec_loongarch64()
Definition config.cpp:675
void set_ILP32()
int=32, long=32, pointer=32
Definition config.cpp:111
bool ts_18661_3_Floatn_types
Definition config.h:152
void set_arch_spec_v850()
Sets up the widths of variables for the Renesas V850.
Definition config.cpp:593
bool wchar_t_is_unsigned
Definition config.h:150
void set_arch_spec_hppa()
Definition config.cpp:616
static std::string os_to_string(ost)
Definition config.cpp:1265
std::size_t pointer_width
Definition config.h:143
bool gcc__float128_type
Definition config.h:153
std::optional< mp_integer > max_argc
Maximum value of argc, which is operating-systems dependent: Windows limits the number of characters ...
Definition config.h:299
void set_c89()
Definition config.h:167
std::list< std::string > include_files
Definition config.h:273
void set_ILP64()
int=64, long=64, pointer=64
Definition config.cpp:71
irep_idt arch
Definition config.h:223
ieee_floatt::rounding_modet rounding_mode
Definition config.h:183
bool __float128_is_keyword
Definition config.h:154
void set_arch_spec_sparc(const irep_idt &subarch)
Definition config.cpp:486
static ost string_to_os(const std::string &)
Definition config.cpp:1280
std::list< std::string > defines
Definition config.h:269
void set_c99()
Definition config.h:172
bool single_precision_constant
Definition config.h:158
void set_LLP64()
int=32, long=32, pointer=64
Definition config.cpp:91
void set_arch_spec_arm(const irep_idt &subarch)
Definition config.cpp:281
std::size_t wchar_t_width
Definition config.h:147
preprocessort preprocessor
Definition config.h:267
@ malloc_failure_mode_return_null
Definition config.h:288
@ malloc_failure_mode_none
Definition config.h:287
@ malloc_failure_mode_assert_then_assume
Definition config.h:289
std::size_t double_width
Definition config.h:145
bool malloc_may_fail
Definition config.h:283
bool char_is_unsigned
Definition config.h:150
static c_standardt default_c_standard()
Definition config.cpp:733
void set_arch_spec_alpha()
Definition config.cpp:324
std::size_t alignment
Definition config.h:197
void set_arch_spec_power(const irep_idt &subarch)
Definition config.cpp:220
std::size_t bool_width
Definition config.h:139
bool string_abstraction
Definition config.h:282
void set_arch_spec_s390()
Definition config.cpp:429
void set_LP64()
int=32, long=64, pointer=64
Definition config.cpp:47
void set_arch_spec_x86_64()
Definition config.cpp:182
void set_LP32()
int=16, long=32, pointer=32
Definition config.cpp:131
std::size_t memory_operand_size
Definition config.h:201
std::size_t long_long_int_width
Definition config.h:142
void set_arch_spec_s390x()
Definition config.cpp:458
bool NULL_is_zero
Definition config.h:226
std::size_t long_int_width
Definition config.h:138
void set_arch_spec_mips(const irep_idt &subarch)
Definition config.cpp:353
std::size_t single_width
Definition config.h:144
void set_arch_spec_i386()
Definition config.cpp:150
std::size_t short_int_width
Definition config.h:141
std::size_t char_width
Definition config.h:140
void set_c11()
Definition config.h:177
static const std::size_t default_object_bits
Definition config.h:294
flavourt mode
Definition config.h:256
std::size_t int_width
Definition config.h:137
malloc_failure_modet malloc_failure_mode
Definition config.h:292
void set_arch_spec_ia64()
Definition config.cpp:526
void set_arch_spec_emscripten()
Definition config.cpp:704
bool is_object_bits_default
Definition config.h:356
std::size_t object_bits
Definition config.h:355
enum configt::cppt::cpp_standardt cpp_standard
void set_cpp11()
Definition config.h:322
static const std::size_t default_object_bits
Definition config.h:335
void set_cpp03()
Definition config.h:318
static cpp_standardt default_cpp_standard()
Definition config.cpp:748
void set_cpp98()
Definition config.h:314
classpatht classpath
Definition config.h:346
irep_idt main_class
Definition config.h:347
static const std::size_t default_object_bits
Definition config.h:349
Author: Diffblue Ltd.