Adding two more people to the RELICENSING file.
[tinycc.git] / tcc.h
Commit [+]AuthorDateLineData
a93bcdff grischka2009-05-05 20:17:11 +02001/*
2 * TCC - Tiny C Compiler
89ad24e7 gus knight2015-07-29 16:53:57 -04003 *
a93bcdff grischka2009-05-05 20:17:11 +02004 * Copyright (c) 2001-2004 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
88a3ccab grischka2009-12-20 01:53:49 +010021#ifndef _TCC_H
22#define _TCC_H
23
ae37bd5a grischka2009-05-05 20:17:26 +020024#define _GNU_SOURCE
25#include "config.h"
26
27#ifdef CONFIG_TCCBOOT
ae37bd5a grischka2009-05-05 20:17:26 +020028#include "tccboot.h"
29#define CONFIG_TCC_STATIC
ae37bd5a grischka2009-05-05 20:17:26 +020030#else
31
32#include <stdlib.h>
33#include <stdio.h>
34#include <stdarg.h>
35#include <string.h>
36#include <errno.h>
37#include <math.h>
38#include <signal.h>
39#include <fcntl.h>
40#include <setjmp.h>
41#include <time.h>
42
41b3c7a5
JL
James Lyon2013-04-27 20:39:34 +010043#ifdef CONFIG_TCCASSERT
44#include <assert.h>
45#define TCC_ASSERT(ex) assert(ex)
46#else
47#define TCC_ASSERT(ex)
48#endif
49
ae37bd5a grischka2009-05-05 20:17:26 +020050#ifndef _WIN32
82bcbd02 grischka2013-02-04 16:08:06 +010051# include <unistd.h>
52# include <sys/time.h>
53# include <sys/ucontext.h>
54# include <sys/mman.h>
7a477d70 grischka2013-02-06 19:01:07 +010055# ifndef CONFIG_TCC_STATIC
56# include <dlfcn.h>
57# endif
5879c854 grischka2014-04-04 20:18:39 +020058/* XXX: need to define this to use them in non ISOC99 context */
59 extern float strtof (const char *__nptr, char **__endptr);
60 extern long double strtold (const char *__nptr, char **__endptr);
61#else /* on _WIN32: */
82bcbd02 grischka2013-02-04 16:08:06 +010062# include <windows.h>
63# include <sys/timeb.h>
64# include <io.h> /* open, close etc. */
65# include <direct.h> /* getcwd */
66# ifdef __GNUC__
67# include <stdint.h>
82bcbd02 grischka2013-02-04 16:08:06 +010068# endif
69# define inline __inline
70# define inp next_inp
5879c854 grischka2014-04-04 20:18:39 +020071# define snprintf _snprintf
72# define vsnprintf _vsnprintf
73# ifndef __GNUC__
74# define strtold (long double)strtod
75# define strtof (float)strtod
76# define strtoll _strtoi64
77# define strtoull _strtoui64
78# endif
82bcbd02 grischka2013-02-04 16:08:06 +010079# ifdef LIBTCC_AS_DLL
80# define LIBTCCAPI __declspec(dllexport)
81# define PUB_FUNC LIBTCCAPI
82# endif
ae37bd5a grischka2009-05-05 20:17:26 +020083#endif
84
85#endif /* !CONFIG_TCCBOOT */
86
ae37bd5a grischka2009-05-05 20:17:26 +020087#ifndef O_BINARY
05108a3b grischka2013-02-12 19:13:28 +010088# define O_BINARY 0
2887f40f
TP
Thomas Preud'homme2010-09-10 20:55:54 +020089#endif
90
5879c854 grischka2014-04-04 20:18:39 +020091#ifdef __GNUC__
92# define NORETURN __attribute__ ((noreturn))
93#elif defined _MSC_VER
94# define NORETURN __declspec(noreturn)
95#else
96# define NORETURN
97#endif
98
99#ifdef _WIN32
100# define IS_DIRSEP(c) (c == '/' || c == '\\')
101# define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
102# define PATHCMP stricmp
103#else
104# define IS_DIRSEP(c) (c == '/')
105# define IS_ABSPATH(p) IS_DIRSEP(p[0])
106# define PATHCMP strcmp
107#endif
108
109#ifdef TCC_TARGET_PE
110#define PATHSEP ';'
111#else
112#define PATHSEP ':'
113#endif
114
a35b3059 grischka2012-03-05 20:15:56 +0100115#include "elf.h"
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +0000116#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
82bcbd02 grischka2013-02-04 16:08:06 +0100117# define ELFCLASSW ELFCLASS64
118# define ElfW(type) Elf##64##_##type
119# define ELFW(type) ELF##64##_##type
120# define ElfW_Rel ElfW(Rela)
121# define SHT_RELX SHT_RELA
122# define REL_SECTION_FMT ".rela%s"
123/* XXX: DLL with PLT would only work with x86-64 for now */
124# define TCC_OUTPUT_DLL_WITH_PLT
125#else
126# define ELFCLASSW ELFCLASS32
127# define ElfW(type) Elf##32##_##type
128# define ELFW(type) ELF##32##_##type
129# define ElfW_Rel ElfW(Rel)
130# define SHT_RELX SHT_REL
131# define REL_SECTION_FMT ".rel%s"
132#endif
133
134/* target address type */
135#define addr_t ElfW(Addr)
136
a35b3059 grischka2012-03-05 20:15:56 +0100137#include "stab.h"
ae37bd5a grischka2009-05-05 20:17:26 +0200138#include "libtcc.h"
139
140/* parser debug */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100141/* #define PARSE_DEBUG */
ae37bd5a grischka2009-05-05 20:17:26 +0200142/* preprocessor debug */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100143/* #define PP_DEBUG */
ae37bd5a grischka2009-05-05 20:17:26 +0200144/* include file debug */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100145/* #define INC_DEBUG */
d6d7686b grischka2013-02-08 19:07:11 +0100146/* memory leak debug */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100147/* #define MEM_DEBUG */
ae37bd5a grischka2009-05-05 20:17:26 +0200148/* assembler debug */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100149/* #define ASM_DEBUG */
ae37bd5a grischka2009-05-05 20:17:26 +0200150
151/* target selection */
0bdbd49e
UJ
Urs Janssen2013-02-17 00:48:51 +0100152/* #define TCC_TARGET_I386 *//* i386 code generator */
153/* #define TCC_TARGET_ARM *//* ARMv4 code generator */
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +0000154/* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
0bdbd49e
UJ
Urs Janssen2013-02-17 00:48:51 +0100155/* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
156/* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
ae37bd5a grischka2009-05-05 20:17:26 +0200157
158/* default target is I386 */
159#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +0000160 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
161 !defined(TCC_TARGET_X86_64)
ae37bd5a grischka2009-05-05 20:17:26 +0200162#define TCC_TARGET_I386
163#endif
164
7fa712e0 grischka2009-12-19 22:22:43 +0100165#if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +0000166 !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
559675b9 seyko2015-04-10 15:17:22 +0300167 !defined(CONFIG_USE_LIBGCC)
ae37bd5a grischka2009-05-05 20:17:26 +0200168#define CONFIG_TCC_BCHECK /* enable bound checking code */
169#endif
170
ae37bd5a grischka2009-05-05 20:17:26 +0200171/* define it to include assembler support */
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +0000172#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64) && \
173 !defined(TCC_TARGET_C67)
ae37bd5a grischka2009-05-05 20:17:26 +0200174#define CONFIG_TCC_ASM
175#endif
176
177/* object format selection */
178#if defined(TCC_TARGET_C67)
179#define TCC_TARGET_COFF
180#endif
181
a35b3059 grischka2012-03-05 20:15:56 +0100182/* only native compiler supports -run */
183#if defined _WIN32 == defined TCC_TARGET_PE
184# if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
185# define TCC_IS_NATIVE
186# elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
187# define TCC_IS_NATIVE
188# elif defined __arm__ && defined TCC_TARGET_ARM
189# define TCC_IS_NATIVE
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +0000190# elif defined __aarch64__ && defined TCC_TARGET_ARM64
191# define TCC_IS_NATIVE
a35b3059 grischka2012-03-05 20:15:56 +0100192# endif
193#endif
194
195#if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
196# define CONFIG_TCC_BACKTRACE
197#endif
198
81cd0cf6 grischka2011-08-06 16:11:12 +0200199/* ------------ path configuration ------------ */
ae37bd5a grischka2009-05-05 20:17:26 +0200200
74a24d77 grischka2011-08-11 16:55:30 +0200201#ifndef CONFIG_SYSROOT
202# define CONFIG_SYSROOT ""
203#endif
944627c4 grischka2013-02-14 06:53:07 +0100204#ifndef CONFIG_TCCDIR
205# define CONFIG_TCCDIR "."
206#endif
207#ifndef CONFIG_LDDIR
2d83ec7a seyko2015-03-03 16:37:44 +0300208# ifdef TCC_TARGET_X86_64
209# define CONFIG_LDDIR "lib64"
210# else
211# define CONFIG_LDDIR "lib"
212# endif
944627c4 grischka2013-02-14 06:53:07 +0100213#endif
2bd0daab grischka2014-01-06 19:56:26 +0100214
215#ifdef CONFIG_MULTIARCHDIR
216# define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR
217# define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s
218#else
219# define USE_MUADIR(s) s
220# define ALSO_MUADIR(s) s
9382d6f1 Thomas Preud'homme2013-09-07 19:26:36 +0200221#endif
74a24d77 grischka2011-08-11 16:55:30 +0200222
0b665200 Thomas Preud'homme2011-08-03 22:26:39 +0200223/* path to find crt1.o, crti.o and crtn.o */
81cd0cf6 grischka2011-08-06 16:11:12 +0200224#ifndef CONFIG_TCC_CRTPREFIX
2bd0daab grischka2014-01-06 19:56:26 +0100225# define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
0b665200
TP
Thomas Preud'homme2011-08-03 22:26:39 +0200226#endif
227
74a24d77 grischka2011-08-11 16:55:30 +0200228/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
229
81cd0cf6 grischka2011-08-06 16:11:12 +0200230/* system include paths */
231#ifndef CONFIG_TCC_SYSINCLUDEPATHS
0b665200 Thomas Preud'homme2011-08-03 22:26:39 +0200232# ifdef TCC_TARGET_PE
74a24d77 grischka2011-08-11 16:55:30 +0200233# define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
9382d6f1 Thomas Preud'homme2013-09-07 19:26:36 +0200234# else
32a41191 grischka2012-04-18 18:44:39 +0200235# define CONFIG_TCC_SYSINCLUDEPATHS \
2bd0daab grischka2014-01-06 19:56:26 +0100236 ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \
237 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include") \
74a24d77 grischka2011-08-11 16:55:30 +0200238 ":" "{B}/include"
0b665200
TP
Thomas Preud'homme2011-08-03 22:26:39 +0200239# endif
240#endif
241
81cd0cf6 grischka2011-08-06 16:11:12 +0200242/* library search paths */
243#ifndef CONFIG_TCC_LIBPATHS
0b665200 Thomas Preud'homme2011-08-03 22:26:39 +0200244# ifdef TCC_TARGET_PE
2bd0daab grischka2014-01-06 19:56:26 +0100245# define CONFIG_TCC_LIBPATHS "{B}/lib"
0b665200 Thomas Preud'homme2011-08-03 22:26:39 +0200246# else
81cd0cf6 grischka2011-08-06 16:11:12 +0200247# define CONFIG_TCC_LIBPATHS \
2bd0daab grischka2014-01-06 19:56:26 +0100248 ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
249 ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
250 ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
0b665200
TP
Thomas Preud'homme2011-08-03 22:26:39 +0200251# endif
252#endif
ae37bd5a grischka2009-05-05 20:17:26 +0200253
81cd0cf6 grischka2011-08-06 16:11:12 +0200254/* name of ELF interpreter */
255#ifndef CONFIG_TCC_ELFINTERP
256# if defined __FreeBSD__
257# define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
258# elif defined __FreeBSD_kernel__
e946c358
TP
Thomas Preud'homme2013-02-18 11:41:34 +0100259# if defined(TCC_TARGET_X86_64)
260# define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
261# else
262# define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
263# endif
b8eb7dd8 minux2014-04-12 01:10:12 -0400264# elif defined __DragonFly__
265# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
5d6cfe85
TP
Thomas Preud'homme2013-02-18 11:53:00 +0100266# elif defined __GNU__
267# define CONFIG_TCC_ELFINTERP "/lib/ld.so"
cd4f3d96 seyko2015-03-03 17:05:44 +0300268# elif defined(TCC_TARGET_PE)
269# define CONFIG_TCC_ELFINTERP "-"
270# elif defined(TCC_UCLIBC)
271# define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +0000272# elif defined TCC_TARGET_ARM64
273# define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
81cd0cf6 grischka2011-08-06 16:11:12 +0200274# elif defined(TCC_TARGET_X86_64)
a2c71af1 Thomas Preud'homme2012-05-22 23:44:03 +0200275# define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
b6247d1f Thomas Preud'homme2014-01-07 15:23:54 +0800276# elif !defined(TCC_ARM_EABI)
a2c71af1 Thomas Preud'homme2012-05-22 23:44:03 +0200277# define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
81cd0cf6 grischka2011-08-06 16:11:12 +0200278# endif
279#endif
280
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +0800281/* var elf_interp dans *-gen.c */
282#ifdef CONFIG_TCC_ELFINTERP
283# define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
284#else
285# define DEFAULT_ELFINTERP(s) default_elfinterp(s)
286#endif
287
81cd0cf6 grischka2011-08-06 16:11:12 +0200288/* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
2bd0daab grischka2014-01-06 19:56:26 +0100289#define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
81cd0cf6 grischka2011-08-06 16:11:12 +0200290
291/* -------------------------------------------- */
d6d7686b grischka2013-02-08 19:07:11 +0100292/* include the target specific definitions */
293
294#define TARGET_DEFS_ONLY
295#ifdef TCC_TARGET_I386
89ad24e7 gus knight2015-07-29 16:53:57 -0400296# include "i386-gen.c"
d6d7686b grischka2013-02-08 19:07:11 +0100297#endif
298#ifdef TCC_TARGET_X86_64
89ad24e7 gus knight2015-07-29 16:53:57 -0400299# include "x86_64-gen.c"
d6d7686b grischka2013-02-08 19:07:11 +0100300#endif
301#ifdef TCC_TARGET_ARM
89ad24e7 gus knight2015-07-29 16:53:57 -0400302# include "arm-gen.c"
d6d7686b grischka2013-02-08 19:07:11 +0100303#endif
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +0000304#ifdef TCC_TARGET_ARM64
89ad24e7 gus knight2015-07-29 16:53:57 -0400305# include "arm64-gen.c"
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +0000306#endif
d6d7686b grischka2013-02-08 19:07:11 +0100307#ifdef TCC_TARGET_C67
308# include "coff.h"
89ad24e7 gus knight2015-07-29 16:53:57 -0400309# include "c67-gen.c"
d6d7686b grischka2013-02-08 19:07:11 +0100310#endif
311#undef TARGET_DEFS_ONLY
312
313/* -------------------------------------------- */
81cd0cf6 grischka2011-08-06 16:11:12 +0200314
ae37bd5a grischka2009-05-05 20:17:26 +0200315#define INCLUDE_STACK_SIZE 32
316#define IFDEF_STACK_SIZE 64
317#define VSTACK_SIZE 256
318#define STRING_MAX_SIZE 1024
319#define PACK_STACK_SIZE 8
320
321#define TOK_HASH_SIZE 8192 /* must be a power of two */
322#define TOK_ALLOC_INCR 512 /* must be a power of two */
323#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
324
325/* token symbol management */
326typedef struct TokenSym {
327 struct TokenSym *hash_next;
328 struct Sym *sym_define; /* direct pointer to define */
329 struct Sym *sym_label; /* direct pointer to label */
330 struct Sym *sym_struct; /* direct pointer to structure */
331 struct Sym *sym_identifier; /* direct pointer to identifier */
332 int tok; /* token number */
333 int len;
334 char str[1];
335} TokenSym;
336
337#ifdef TCC_TARGET_PE
338typedef unsigned short nwchar_t;
339#else
340typedef int nwchar_t;
341#endif
342
343typedef struct CString {
344 int size; /* size in bytes */
345 void *data; /* either 'char *' or 'nwchar_t *' */
346 int size_allocated;
347 void *data_allocated; /* if non NULL, data has been malloced */
348} CString;
349
350/* type definition */
351typedef struct CType {
352 int t;
353 struct Sym *ref;
354} CType;
355
356/* constant value */
357typedef union CValue {
358 long double ld;
359 double d;
360 float f;
361 int i;
362 unsigned int ui;
363 unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */
364 long long ll;
365 unsigned long long ull;
366 struct CString *cstr;
5879c854 grischka2014-04-04 20:18:39 +0200367 addr_t ptr_offset;
d6d7686b grischka2013-02-08 19:07:11 +0100368 int tab[LDOUBLE_SIZE/4];
ae37bd5a grischka2009-05-05 20:17:26 +0200369} CValue;
370
371/* value on stack */
372typedef struct SValue {
373 CType type; /* type */
374 unsigned short r; /* register + flags */
375 unsigned short r2; /* second register, used for 'long long'
376 type. If not used, set to VT_CONST */
377 CValue c; /* constant, if VT_CONST */
378 struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */
379} SValue;
380
3fe2a95d grischka2014-01-07 14:57:07 +0100381struct Attribute {
382 unsigned
383 func_call : 3, /* calling convention (0..5), see below */
384 aligned : 5, /* alignement (0..16) */
385 packed : 1,
386 func_export : 1,
387 func_import : 1,
388 func_args : 5,
389 func_proto : 1,
390 mode : 4,
391 weak : 1,
fbda78ae
MM
Michael Matz2014-04-14 02:53:11 +0200392 visibility : 2,
393 fill : 8; // 8 bits left to fit well in union below
3fe2a95d grischka2014-01-07 14:57:07 +0100394};
395
396/* GNUC attribute definition */
397typedef struct AttributeDef {
398 struct Attribute a;
399 struct Section *section;
400 int alias_target; /* token */
401} AttributeDef;
402
ae37bd5a grischka2009-05-05 20:17:26 +0200403/* symbol management */
404typedef struct Sym {
405 int v; /* symbol token */
32a682b8 Thomas Preud'homme2011-02-07 22:42:38 +0100406 char *asm_label; /* associated asm label */
3fe2a95d grischka2014-01-07 14:57:07 +0100407 union {
408 long r; /* associated register */
409 struct Attribute a;
410 };
bed17847 grischka2009-07-06 21:16:41 +0200411 union {
412 long c; /* associated number */
413 int *d; /* define token stream */
414 };
ae37bd5a grischka2009-05-05 20:17:26 +0200415 CType type; /* associated type */
035918ef grischka2009-07-18 22:05:58 +0200416 union {
417 struct Sym *next; /* next related symbol */
418 long jnext; /* next jump label */
419 };
ae37bd5a grischka2009-05-05 20:17:26 +0200420 struct Sym *prev; /* prev symbol in stack */
421 struct Sym *prev_tok; /* previous symbol for this token */
422} Sym;
423
424/* section definition */
425/* XXX: use directly ELF structure for parameters ? */
426/* special flag to indicate that the section should not be linked to
427 the other ones */
428#define SHF_PRIVATE 0x80000000
429
b8f6e1ae grischka2009-05-05 20:30:39 +0200430/* special flag, too */
431#define SECTION_ABS ((void *)1)
432
ae37bd5a grischka2009-05-05 20:17:26 +0200433typedef struct Section {
434 unsigned long data_offset; /* current data offset */
435 unsigned char *data; /* section data */
436 unsigned long data_allocated; /* used for realloc() handling */
437 int sh_name; /* elf section name (only used during output) */
438 int sh_num; /* elf section number */
439 int sh_type; /* elf section type */
440 int sh_flags; /* elf section flags */
441 int sh_info; /* elf section info */
442 int sh_addralign; /* elf section alignment */
443 int sh_entsize; /* elf entry size */
444 unsigned long sh_size; /* section size (only used during output) */
82bcbd02 grischka2013-02-04 16:08:06 +0100445 addr_t sh_addr; /* address at which the section is relocated */
a0db7162 Andrew Mulbrook2012-03-03 11:10:15 -0600446 unsigned long sh_offset; /* file offset */
ae37bd5a grischka2009-05-05 20:17:26 +0200447 int nb_hashed_syms; /* used to resize the hash table */
448 struct Section *link; /* link to another section */
449 struct Section *reloc; /* corresponding section for relocation, if any */
450 struct Section *hash; /* hash table for symbols */
451 struct Section *next;
452 char name[1]; /* section name */
453} Section;
454
455typedef struct DLLReference {
456 int level;
457 void *handle;
458 char name[1];
459} DLLReference;
460
ae37bd5a grischka2009-05-05 20:17:26 +0200461/* -------------------------------------------------- */
462
463#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
464#define SYM_FIELD 0x20000000 /* struct/union field symbol space */
465#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
466
467/* stored in 'Sym.c' field */
468#define FUNC_NEW 1 /* ansi function prototype */
469#define FUNC_OLD 2 /* old function prototype */
470#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
471
472/* stored in 'Sym.r' field */
473#define FUNC_CDECL 0 /* standard c call */
474#define FUNC_STDCALL 1 /* pascal c call */
475#define FUNC_FASTCALL1 2 /* first param in %eax */
476#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
477#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
478#define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
479
480/* field 'Sym.t' for macros */
481#define MACRO_OBJ 0 /* object like macro */
482#define MACRO_FUNC 1 /* function like macro */
483
484/* field 'Sym.r' for C labels */
485#define LABEL_DEFINED 0 /* label is defined */
486#define LABEL_FORWARD 1 /* label is forward defined */
487#define LABEL_DECLARED 2 /* label is declared but never used */
488
489/* type_decl() types */
490#define TYPE_ABSTRACT 1 /* type without variable */
491#define TYPE_DIRECT 2 /* type with variable */
492
493#define IO_BUF_SIZE 8192
494
495typedef struct BufferedFile {
496 uint8_t *buf_ptr;
497 uint8_t *buf_end;
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +0100498 int fd;
e97bf88b grischka2010-11-25 13:29:15 +0100499 struct BufferedFile *prev;
ae37bd5a grischka2009-05-05 20:17:26 +0200500 int line_num; /* current line number - here to simplify code */
30df3189 grischka2015-05-09 14:29:39 +0200501 int line_ref; /* tcc -E: last printed line */
ae37bd5a grischka2009-05-05 20:17:26 +0200502 int ifndef_macro; /* #ifndef macro / #endif search */
503 int ifndef_macro_saved; /* saved ifndef_macro */
504 int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
2358b378 grischka2013-01-06 17:20:44 +0100505 char filename[1024]; /* filename */
30df3189 grischka2015-05-09 14:29:39 +0200506 unsigned char unget[4];
20a5845a Lee Duhem2014-12-11 09:58:53 +0800507 unsigned char buffer[1]; /* extra size for CH_EOB char */
ae37bd5a grischka2009-05-05 20:17:26 +0200508} BufferedFile;
509
510#define CH_EOB '\\' /* end of buffer or '\0' char in file */
511#define CH_EOF (-1) /* end of file */
512
513/* parsing state (used to save parser state to reparse part of the
514 source several times) */
515typedef struct ParseState {
4e5170d4 grischka2010-01-14 20:58:03 +0100516 const int *macro_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200517 int line_num;
518 int tok;
519 CValue tokc;
520} ParseState;
521
522/* used to record tokens */
523typedef struct TokenString {
524 int *str;
525 int len;
526 int allocated_len;
527 int last_line_num;
30df3189 grischka2015-05-09 14:29:39 +0200528 /* used to chain token-strings with begin/end_macro() */
529 struct TokenString *prev;
530 const int *prev_ptr;
531 char alloc;
ae37bd5a grischka2009-05-05 20:17:26 +0200532} TokenString;
533
d0b432ab grischka2009-06-29 20:14:53 +0100534/* inline functions */
535typedef struct InlineFunc {
30df3189 grischka2015-05-09 14:29:39 +0200536 TokenString func_str;
d0b432ab grischka2009-06-29 20:14:53 +0100537 Sym *sym;
538 char filename[1];
539} InlineFunc;
540
ae37bd5a grischka2009-05-05 20:17:26 +0200541/* include file cache, used to find files faster and also to eliminate
542 inclusion if the include file is protected by #ifndef ... #endif */
543typedef struct CachedInclude {
544 int ifndef_macro;
545 int hash_next; /* -1 if none */
ae37bd5a grischka2009-05-05 20:17:26 +0200546 char filename[1]; /* path specified in #include */
547} CachedInclude;
548
549#define CACHED_INCLUDES_HASH_SIZE 512
550
0a35f9d6 grischka2009-05-11 18:45:56 +0200551#ifdef CONFIG_TCC_ASM
552typedef struct ExprValue {
553 uint32_t v;
554 Sym *sym;
555} ExprValue;
556
557#define MAX_ASM_OPERANDS 30
558typedef struct ASMOperand {
559 int id; /* GCC 3 optionnal identifier (0 if number only supported */
560 char *constraint;
561 char asm_str[16]; /* computed asm string for operand */
562 SValue *vt; /* C value of the expression */
563 int ref_index; /* if >= 0, gives reference to a output constraint */
564 int input_index; /* if >= 0, gives reference to an input constraint */
565 int priority; /* priority, used to assign registers */
566 int reg; /* if >= 0, register number used for this operand */
567 int is_llong; /* true if double register value */
568 int is_memory; /* true if memory operand */
569 int is_rw; /* for '+' modifier */
570} ASMOperand;
0a35f9d6 grischka2009-05-11 18:45:56 +0200571#endif
572
e2212738
TP
Thomas Preud'homme2012-11-04 00:40:05 +0100573struct sym_attr {
574 unsigned long got_offset;
0bd12820 Michael Matz2014-03-31 05:36:12 +0200575 unsigned long plt_offset;
e2212738
TP
Thomas Preud'homme2012-11-04 00:40:05 +0100576#ifdef TCC_TARGET_ARM
577 unsigned char plt_thumb_stub:1;
578#endif
579};
580
ae37bd5a grischka2009-05-05 20:17:26 +0200581struct TCCState {
f98c2306 grischka2012-04-18 18:48:26 +0200582
05108a3b grischka2013-02-12 19:13:28 +0100583 int verbose; /* if true, display some information during compilation */
ae37bd5a grischka2009-05-05 20:17:26 +0200584 int nostdinc; /* if true, no standard headers are added */
585 int nostdlib; /* if true, no standard libraries are added */
ae37bd5a grischka2009-05-05 20:17:26 +0200586 int nocommon; /* if true, do not use common symbols for .bss data */
05108a3b grischka2013-02-12 19:13:28 +0100587 int static_link; /* if true, static linking is performed */
588 int rdynamic; /* if true, all symbols are exported */
589 int symbolic; /* if true, resolve symbols in the current module first */
590 int alacarte_link; /* if true, only link in referenced objects from archive */
ae37bd5a grischka2009-05-05 20:17:26 +0200591
05108a3b grischka2013-02-12 19:13:28 +0100592 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
593 char *soname; /* as specified on the command line (-soname) */
594 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
34dabe49 Detlef Riekenberg2010-04-05 22:56:33 +0200595
05108a3b grischka2013-02-12 19:13:28 +0100596 /* output type, see TCC_OUTPUT_XXX */
597 int output_type;
ae37bd5a grischka2009-05-05 20:17:26 +0200598 /* output format, see TCC_OUTPUT_FORMAT_xxx */
599 int output_format;
600
601 /* C language options */
602 int char_is_unsigned;
603 int leading_underscore;
dec95935 seyko2015-04-10 06:31:58 +0300604 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
5c9dde72 seyko2015-04-10 23:44:10 +0300605 int old_struct_init_code; /* use old algorithm to init array in struct when there is no '{' used.
606 Liuux 2.4.26 can't find initrd when compiled with a new algorithm */
dcb36587 seyko2015-04-12 15:32:03 +0300607 int dollars_in_identifiers; /* allows '$' char in indentifiers */
89ad24e7 gus knight2015-07-29 16:53:57 -0400608
ae37bd5a grischka2009-05-05 20:17:26 +0200609 /* warning switches */
610 int warn_write_strings;
611 int warn_unsupported;
612 int warn_error;
613 int warn_none;
614 int warn_implicit_function_declaration;
615
f9181416 grischka2009-05-11 18:45:44 +0200616 /* compile with debug symbol (and use them if error during execution) */
617 int do_debug;
5cd4393a seyko2015-04-10 06:53:48 +0300618 int do_strip;
7fa712e0 grischka2009-12-19 22:22:43 +0100619#ifdef CONFIG_TCC_BCHECK
f9181416 grischka2009-05-11 18:45:44 +0200620 /* compile with built-in memory and bounds checker */
621 int do_bounds_check;
7fa712e0 grischka2009-12-19 22:22:43 +0100622#endif
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +0800623#ifdef TCC_TARGET_ARM
624 enum float_abi float_abi; /* float ABI of the generated code*/
625#endif
05108a3b grischka2013-02-12 19:13:28 +0100626
627 addr_t text_addr; /* address of text section */
628 int has_text_addr;
629
630 unsigned long section_align; /* section alignment */
631
632 char *init_symbol; /* symbols to call at load-time (not used currently) */
633 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
89ad24e7 gus knight2015-07-29 16:53:57 -0400634
05108a3b grischka2013-02-12 19:13:28 +0100635#ifdef TCC_TARGET_I386
636 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
637#endif
638
639 /* array of all loaded dlls (including those referenced by loaded dlls) */
640 DLLReference **loaded_dlls;
641 int nb_loaded_dlls;
642
643 /* include paths */
644 char **include_paths;
645 int nb_include_paths;
646
647 char **sysinclude_paths;
648 int nb_sysinclude_paths;
649
650 /* library paths */
651 char **library_paths;
652 int nb_library_paths;
653
654 /* crt?.o object path */
655 char **crt_paths;
656 int nb_crt_paths;
f9181416 grischka2009-05-11 18:45:44 +0200657
ae37bd5a grischka2009-05-05 20:17:26 +0200658 /* error handling */
659 void *error_opaque;
660 void (*error_func)(void *opaque, const char *msg);
661 int error_set_jmp_enabled;
662 jmp_buf error_jmp_buf;
663 int nb_errors;
664
05108a3b grischka2013-02-12 19:13:28 +0100665 /* output file for preprocessing (-E) */
666 FILE *ppfp;
50cdccf3 seyko2015-03-03 14:19:14 +0300667 enum {
668 LINE_MACRO_OUTPUT_FORMAT_GCC,
669 LINE_MACRO_OUTPUT_FORMAT_NONE,
670 LINE_MACRO_OUTPUT_FORMAT_STD,
30df3189 grischka2015-05-09 14:29:39 +0200671 } Pflag; /* -P switch */
80322ada seyko2015-05-13 12:16:00 +0300672 int dflag; /* -dX value */
ae37bd5a grischka2009-05-05 20:17:26 +0200673
05108a3b grischka2013-02-12 19:13:28 +0100674 /* for -MD/-MF: collected dependencies for this compilation */
675 char **target_deps;
676 int nb_target_deps;
677
678 /* compilation */
ae37bd5a grischka2009-05-05 20:17:26 +0200679 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100680 BufferedFile **include_stack_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200681
ae37bd5a grischka2009-05-05 20:17:26 +0200682 int ifdef_stack[IFDEF_STACK_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100683 int *ifdef_stack_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200684
05108a3b grischka2013-02-12 19:13:28 +0100685 /* included files enclosed with #ifndef MACRO */
ae37bd5a grischka2009-05-05 20:17:26 +0200686 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100687 CachedInclude **cached_includes;
688 int nb_cached_includes;
ae37bd5a grischka2009-05-05 20:17:26 +0200689
05108a3b grischka2013-02-12 19:13:28 +0100690 /* #pragma pack stack */
ae37bd5a grischka2009-05-05 20:17:26 +0200691 int pack_stack[PACK_STACK_SIZE];
692 int *pack_stack_ptr;
30df3189 grischka2015-05-09 14:29:39 +0200693 char **pragma_libs;
694 int nb_pragma_libs;
ae37bd5a grischka2009-05-05 20:17:26 +0200695
05108a3b grischka2013-02-12 19:13:28 +0100696 /* inline functions are stored as token lists and compiled last
697 only if referenced */
d0b432ab grischka2009-06-29 20:14:53 +0100698 struct InlineFunc **inline_fns;
699 int nb_inline_fns;
700
05108a3b grischka2013-02-12 19:13:28 +0100701 /* sections */
702 Section **sections;
703 int nb_sections; /* number of sections, including first dummy section */
704
705 Section **priv_sections;
706 int nb_priv_sections; /* number of private sections */
707
708 /* got & plt handling */
709 Section *got;
710 Section *plt;
711 struct sym_attr *sym_attrs;
712 int nb_sym_attrs;
713 /* give the correspondance from symtab indexes to dynsym indexes */
714 int *symtab_to_dynsym;
0d768b97 Frederic Feret2009-08-27 09:34:35 +0200715
05108a3b grischka2013-02-12 19:13:28 +0100716 /* temporary dynamic symbol sections (for dll loading) */
717 Section *dynsymtab_section;
718 /* exported dynamic symbol section */
719 Section *dynsym;
720 /* copy of the gobal symtab_section variable */
721 Section *symtab;
722 /* tiny assembler state */
723 Sym *asm_labels;
2f73e42d
FF
Frederic Feret2009-08-27 10:12:13 +0200724
725#ifdef TCC_TARGET_PE
726 /* PE info */
727 int pe_subsystem;
05108a3b grischka2013-02-12 19:13:28 +0100728 unsigned pe_file_align;
729 unsigned pe_stack_size;
730# ifdef TCC_TARGET_X86_64
df4c0892 grischka2011-07-14 19:09:49 +0200731 Section *uw_pdata;
732 int uw_sym;
733 unsigned uw_offs;
05108a3b grischka2013-02-12 19:13:28 +0100734# endif
2f73e42d
FF
Frederic Feret2009-08-27 10:12:13 +0200735#endif
736
05108a3b grischka2013-02-12 19:13:28 +0100737#ifdef TCC_IS_NATIVE
73faaea2 grischka2013-08-28 22:55:05 +0200738 const char *runtime_main;
05108a3b grischka2013-02-12 19:13:28 +0100739 /* for tcc_relocate */
740 void *runtime_mem;
741# ifdef HAVE_SELINUX
742 void *write_mem;
743 unsigned long mem_size;
744# endif
3ea4acb9 grischka2009-07-18 22:05:27 +0200745#endif
05108a3b grischka2013-02-12 19:13:28 +0100746
747 /* used by main and tcc_parse_args only */
748 char **files; /* files seen on command line */
749 int nb_files; /* number thereof */
750 int nb_libraries; /* number of libs thereof */
751 char *outfile; /* output filename */
752 char *option_m; /* only -m32/-m64 handled */
753 int print_search_dirs; /* option */
754 int option_r; /* option -r */
755 int do_bench; /* option -bench */
756 int gen_deps; /* option -MD */
757 char *deps_outfile; /* option -MF */
ae37bd5a grischka2009-05-05 20:17:26 +0200758};
759
760/* The current value can be: */
05108a3b grischka2013-02-12 19:13:28 +0100761#define VT_VALMASK 0x003f /* mask for value location, register or: */
762#define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
f115c123 grischka2011-08-06 16:08:03 +0200763#define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
764#define VT_LOCAL 0x0032 /* offset on stack */
765#define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
766#define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
767#define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
768#define VT_REF 0x0040 /* value is pointer to structure rather than address */
ae37bd5a grischka2009-05-05 20:17:26 +0200769#define VT_LVAL 0x0100 /* var is an lvalue */
770#define VT_SYM 0x0200 /* a symbol value is added */
771#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
772 char/short stored in integer registers) */
773#define VT_MUSTBOUND 0x0800 /* bound checking must be done before
774 dereferencing value */
775#define VT_BOUNDED 0x8000 /* value is bounded. The address of the
776 bounding function call point is in vc */
777#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
778#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
779#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
780#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
781
782/* types */
05108a3b grischka2013-02-12 19:13:28 +0100783#define VT_BTYPE 0x000f /* mask for basic type */
784#define VT_INT 0 /* integer type */
785#define VT_BYTE 1 /* signed byte type */
786#define VT_SHORT 2 /* short type */
787#define VT_VOID 3 /* void type */
788#define VT_PTR 4 /* pointer */
789#define VT_ENUM 5 /* enum definition */
790#define VT_FUNC 6 /* function type */
791#define VT_STRUCT 7 /* struct/union definition */
792#define VT_FLOAT 8 /* IEEE float */
793#define VT_DOUBLE 9 /* IEEE double */
794#define VT_LDOUBLE 10 /* IEEE long double */
795#define VT_BOOL 11 /* ISOC99 boolean type */
796#define VT_LLONG 12 /* 64 bit integer */
797#define VT_LONG 13 /* long integer (NEVER USED as type, only
798 during parsing) */
ef3d38c5 gus knight2015-07-29 16:57:41 -0400799#define VT_QLONG 14 /* 128-bit integer. Only used for x86-64 ABI */
800#define VT_QFLOAT 15 /* 128-bit float. Only used for x86-64 ABI */
05108a3b grischka2013-02-12 19:13:28 +0100801#define VT_UNSIGNED 0x0010 /* unsigned type */
802#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
803#define VT_BITFIELD 0x0040 /* bitfield modifier */
804#define VT_CONSTANT 0x0800 /* const modifier */
805#define VT_VOLATILE 0x1000 /* volatile modifier */
b0b5165d Thomas Preud'homme2014-02-06 20:51:47 +0800806#define VT_DEFSIGN 0x2000 /* signed type */
05108a3b grischka2013-02-12 19:13:28 +0100807#define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
ae37bd5a grischka2009-05-05 20:17:26 +0200808
809/* storage */
38f6467c
TP
Thomas Preud'homme2011-02-05 02:31:27 +0100810#define VT_EXTERN 0x00000080 /* extern definition */
811#define VT_STATIC 0x00000100 /* static variable */
812#define VT_TYPEDEF 0x00000200 /* typedef definition */
813#define VT_INLINE 0x00000400 /* inline definition */
814#define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
815#define VT_EXPORT 0x00008000 /* win32: data exported from dll */
05108a3b grischka2013-02-12 19:13:28 +0100816#define VT_WEAK 0x00010000 /* weak symbol */
d0c2f00d Ramsay Jones2013-10-02 21:49:55 +0200817#define VT_TLS 0x00040000 /* thread-local storage */
fbda78ae
MM
Michael Matz2014-04-14 02:53:11 +0200818#define VT_VIS_SHIFT 19 /* shift for symbol visibility, overlapping
819 bitfield values, because bitfields never
820 have linkage and hence never have
821 visibility. */
822#define VT_VIS_SIZE 2 /* We have four visibilities. */
823#define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
ae37bd5a grischka2009-05-05 20:17:26 +0200824
d0c2f00d Ramsay Jones2013-10-02 21:49:55 +0200825#define VT_STRUCT_SHIFT 19 /* shift for bitfield shift values (max: 32 - 2*6) */
ae37bd5a grischka2009-05-05 20:17:26 +0200826
fbda78ae Michael Matz2014-04-14 02:53:11 +0200827
ae37bd5a grischka2009-05-05 20:17:26 +0200828/* type mask (except storage) */
fbda78ae Michael Matz2014-04-14 02:53:11 +0200829#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
05108a3b grischka2013-02-12 19:13:28 +0100830#define VT_TYPE (~(VT_STORAGE))
ae37bd5a grischka2009-05-05 20:17:26 +0200831
832/* token values */
833
834/* warning: the following compare tokens depend on i386 asm code */
835#define TOK_ULT 0x92
836#define TOK_UGE 0x93
837#define TOK_EQ 0x94
838#define TOK_NE 0x95
839#define TOK_ULE 0x96
840#define TOK_UGT 0x97
841#define TOK_Nset 0x98
842#define TOK_Nclear 0x99
843#define TOK_LT 0x9c
844#define TOK_GE 0x9d
845#define TOK_LE 0x9e
846#define TOK_GT 0x9f
847
848#define TOK_LAND 0xa0
849#define TOK_LOR 0xa1
ae37bd5a grischka2009-05-05 20:17:26 +0200850#define TOK_DEC 0xa2
851#define TOK_MID 0xa3 /* inc/dec, to void constant */
852#define TOK_INC 0xa4
853#define TOK_UDIV 0xb0 /* unsigned division */
854#define TOK_UMOD 0xb1 /* unsigned modulo */
855#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
0ac8aaab grischka2014-03-29 16:40:54 +0100856
857/* tokens that carry values (in additional token string space / tokc) --> */
858#define TOK_CCHAR 0xb3 /* char constant in tokc */
859#define TOK_LCHAR 0xb4
860#define TOK_CINT 0xb5 /* number in tokc */
861#define TOK_CUINT 0xb6 /* unsigned int constant */
862#define TOK_CLLONG 0xb7 /* long long constant */
863#define TOK_CULLONG 0xb8 /* unsigned long long constant */
864#define TOK_STR 0xb9 /* pointer to string in tokc */
865#define TOK_LSTR 0xba
866#define TOK_CFLOAT 0xbb /* float constant */
867#define TOK_CDOUBLE 0xbc /* double constant */
868#define TOK_CLDOUBLE 0xbd /* long double constant */
869#define TOK_PPNUM 0xbe /* preprocessor number */
30df3189 grischka2015-05-09 14:29:39 +0200870#define TOK_PPSTR 0xbf /* preprocessor string */
871#define TOK_LINENUM 0xc0 /* line number info */
0ac8aaab grischka2014-03-29 16:40:54 +0100872/* <-- */
873
ae37bd5a grischka2009-05-05 20:17:26 +0200874#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
875#define TOK_ADDC1 0xc3 /* add with carry generation */
876#define TOK_ADDC2 0xc4 /* add with carry use */
877#define TOK_SUBC1 0xc5 /* add with carry generation */
878#define TOK_SUBC2 0xc6 /* add with carry use */
30df3189 grischka2015-05-09 14:29:39 +0200879#define TOK_ARROW 0xc7
880#define TOK_DOTS 0xc8 /* three dots */
881#define TOK_SHR 0xc9 /* unsigned shift right */
882#define TOK_TWOSHARPS 0xca /* ## preprocessing token */
883#define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
884#define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
ae37bd5a grischka2009-05-05 20:17:26 +0200885
886#define TOK_SHL 0x01 /* shift left */
887#define TOK_SAR 0x02 /* signed shift right */
89ad24e7 gus knight2015-07-29 16:53:57 -0400888
ae37bd5a grischka2009-05-05 20:17:26 +0200889/* assignement operators : normal operator or 0x80 */
890#define TOK_A_MOD 0xa5
891#define TOK_A_AND 0xa6
892#define TOK_A_MUL 0xaa
893#define TOK_A_ADD 0xab
894#define TOK_A_SUB 0xad
895#define TOK_A_DIV 0xaf
896#define TOK_A_XOR 0xde
897#define TOK_A_OR 0xfc
898#define TOK_A_SHL 0x81
899#define TOK_A_SAR 0x82
900
901#ifndef offsetof
902#define offsetof(type, field) ((size_t) &((type *)0)->field)
903#endif
904
905#ifndef countof
906#define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
907#endif
908
ae37bd5a grischka2009-05-05 20:17:26 +0200909#define TOK_EOF (-1) /* end of file */
910#define TOK_LINEFEED 10 /* line feed */
911
912/* all identificators and strings have token above that */
913#define TOK_IDENT 256
914
ae37bd5a grischka2009-05-05 20:17:26 +0200915#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100916#define TOK_ASM_int TOK_INT
c59d3426 Joe Soroka2011-02-01 08:43:54 -0800917#define TOK_ASM_weak TOK_WEAK1
ae37bd5a grischka2009-05-05 20:17:26 +0200918
1308e8eb grischka2009-12-19 22:08:37 +0100919#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
920/* only used for i386 asm opcodes definitions */
ae37bd5a grischka2009-05-05 20:17:26 +0200921#define DEF_BWL(x) \
922 DEF(TOK_ASM_ ## x ## b, #x "b") \
923 DEF(TOK_ASM_ ## x ## w, #x "w") \
924 DEF(TOK_ASM_ ## x ## l, #x "l") \
925 DEF(TOK_ASM_ ## x, #x)
ae37bd5a grischka2009-05-05 20:17:26 +0200926#define DEF_WL(x) \
927 DEF(TOK_ASM_ ## x ## w, #x "w") \
928 DEF(TOK_ASM_ ## x ## l, #x "l") \
929 DEF(TOK_ASM_ ## x, #x)
526c4645 Frederic Feret2009-08-27 09:53:50 +0200930#ifdef TCC_TARGET_X86_64
1308e8eb grischka2009-12-19 22:08:37 +0100931# define DEF_BWLQ(x) \
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200932 DEF(TOK_ASM_ ## x ## b, #x "b") \
933 DEF(TOK_ASM_ ## x ## w, #x "w") \
934 DEF(TOK_ASM_ ## x ## l, #x "l") \
935 DEF(TOK_ASM_ ## x ## q, #x "q") \
936 DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100937# define DEF_WLQ(x) \
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200938 DEF(TOK_ASM_ ## x ## w, #x "w") \
939 DEF(TOK_ASM_ ## x ## l, #x "l") \
940 DEF(TOK_ASM_ ## x ## q, #x "q") \
941 DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100942# define DEF_BWLX DEF_BWLQ
943# define DEF_WLX DEF_WLQ
944/* number of sizes + 1 */
945# define NBWLX 5
946#else
947# define DEF_BWLX DEF_BWL
948# define DEF_WLX DEF_WL
949/* number of sizes + 1 */
950# define NBWLX 4
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200951#endif
952
ae37bd5a grischka2009-05-05 20:17:26 +0200953#define DEF_FP1(x) \
954 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
955 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
956 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
957 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
958
959#define DEF_FP(x) \
960 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
961 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
962 DEF_FP1(x)
963
e260b036 seyko2015-01-06 22:59:19 +0300964#define DEF_ASMTEST(x,suffix) \
965 DEF_ASM(x ## o ## suffix) \
966 DEF_ASM(x ## no ## suffix) \
967 DEF_ASM(x ## b ## suffix) \
968 DEF_ASM(x ## c ## suffix) \
969 DEF_ASM(x ## nae ## suffix) \
970 DEF_ASM(x ## nb ## suffix) \
971 DEF_ASM(x ## nc ## suffix) \
972 DEF_ASM(x ## ae ## suffix) \
973 DEF_ASM(x ## e ## suffix) \
974 DEF_ASM(x ## z ## suffix) \
975 DEF_ASM(x ## ne ## suffix) \
976 DEF_ASM(x ## nz ## suffix) \
977 DEF_ASM(x ## be ## suffix) \
978 DEF_ASM(x ## na ## suffix) \
979 DEF_ASM(x ## nbe ## suffix) \
980 DEF_ASM(x ## a ## suffix) \
981 DEF_ASM(x ## s ## suffix) \
982 DEF_ASM(x ## ns ## suffix) \
983 DEF_ASM(x ## p ## suffix) \
984 DEF_ASM(x ## pe ## suffix) \
985 DEF_ASM(x ## np ## suffix) \
986 DEF_ASM(x ## po ## suffix) \
987 DEF_ASM(x ## l ## suffix) \
988 DEF_ASM(x ## nge ## suffix) \
989 DEF_ASM(x ## nl ## suffix) \
990 DEF_ASM(x ## ge ## suffix) \
991 DEF_ASM(x ## le ## suffix) \
992 DEF_ASM(x ## ng ## suffix) \
993 DEF_ASM(x ## nle ## suffix) \
994 DEF_ASM(x ## g ## suffix)
ae37bd5a grischka2009-05-05 20:17:26 +0200995
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100996#endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
ae37bd5a grischka2009-05-05 20:17:26 +0200997
998enum tcc_token {
999 TOK_LAST = TOK_IDENT - 1,
1000#define DEF(id, str) id,
1001#include "tcctok.h"
1002#undef DEF
1003};
1004
ae37bd5a grischka2009-05-05 20:17:26 +02001005#define TOK_UIDENT TOK_DEFINE
1006
88a3ccab grischka2009-12-20 01:53:49 +01001007/* space exlcuding newline */
1008static inline int is_space(int ch)
1009{
1010 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1011}
ae37bd5a grischka2009-05-05 20:17:26 +02001012
88a3ccab grischka2009-12-20 01:53:49 +01001013static inline int isid(int c)
1014{
1015 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1016}
67aebdd5 grischka2009-05-11 18:46:02 +02001017
88a3ccab grischka2009-12-20 01:53:49 +01001018static inline int isnum(int c)
1019{
1020 return c >= '0' && c <= '9';
1021}
ae37bd5a grischka2009-05-05 20:17:26 +02001022
88a3ccab grischka2009-12-20 01:53:49 +01001023static inline int isoct(int c)
ae37bd5a grischka2009-05-05 20:17:26 +02001024{
88a3ccab grischka2009-12-20 01:53:49 +01001025 return c >= '0' && c <= '7';
ae37bd5a grischka2009-05-05 20:17:26 +02001026}
1027
88a3ccab grischka2009-12-20 01:53:49 +01001028static inline int toup(int c)
0a35f9d6 grischka2009-05-11 18:45:56 +02001029{
88a3ccab grischka2009-12-20 01:53:49 +01001030 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
0a35f9d6 grischka2009-05-11 18:45:56 +02001031}
1032
74a24d77 grischka2011-08-11 16:55:30 +02001033#ifndef PUB_FUNC
1034# define PUB_FUNC
1035#endif
88a3ccab grischka2009-12-20 01:53:49 +01001036
5280293d grischka2011-07-14 18:45:37 +02001037#ifdef ONE_SOURCE
88a3ccab grischka2009-12-20 01:53:49 +01001038#define ST_INLN static inline
1039#define ST_FUNC static
1040#define ST_DATA static
1041#else
1042#define ST_INLN
1043#define ST_FUNC
1044#define ST_DATA extern
1045#endif
1046
1047/* ------------ libtcc.c ------------ */
1048
1049/* use GNU C extensions */
1050ST_DATA int gnu_ext;
1051/* use Tiny C extensions */
1052ST_DATA int tcc_ext;
1053/* XXX: get rid of this ASAP */
1054ST_DATA struct TCCState *tcc_state;
1055
88a3ccab grischka2009-12-20 01:53:49 +01001056#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1057#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1058#define AFF_PREPROCESS 0x0004 /* preprocess file */
1059
1060/* public functions currently used by the tcc main function */
1061PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1062PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
df9cce24 grischka2011-08-01 01:10:36 +02001063PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
88a3ccab grischka2009-12-20 01:53:49 +01001064PUB_FUNC char *tcc_basename(const char *name);
1065PUB_FUNC char *tcc_fileextension (const char *name);
121e95d1 seyko2015-05-12 11:56:39 +03001066
1067#ifndef MEM_DEBUG
88a3ccab grischka2009-12-20 01:53:49 +01001068PUB_FUNC void tcc_free(void *ptr);
1069PUB_FUNC void *tcc_malloc(unsigned long size);
1070PUB_FUNC void *tcc_mallocz(unsigned long size);
1071PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1072PUB_FUNC char *tcc_strdup(const char *str);
121e95d1 seyko2015-05-12 11:56:39 +03001073#else
1074#define tcc_free(ptr) tcc_free_debug(ptr)
1075#define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
1076#define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
1077#define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
1078#define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
1079PUB_FUNC void tcc_free_debug(void *ptr);
1080PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
1081PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
1082PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
1083PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
1084#endif
1085
88a3ccab grischka2009-12-20 01:53:49 +01001086#define free(p) use_tcc_free(p)
1087#define malloc(s) use_tcc_malloc(s)
1088#define realloc(p, s) use_tcc_realloc(p, s)
1089#undef strdup
1090#define strdup(s) use_tcc_strdup(s)
1234becc seyko2015-05-12 16:07:09 +03001091PUB_FUNC void tcc_memstats(int bench);
bf374a5f grischka2011-08-11 17:07:56 +02001092PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
5879c854 grischka2014-04-04 20:18:39 +02001093PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
bf374a5f grischka2011-08-11 17:07:56 +02001094PUB_FUNC void tcc_warning(const char *fmt, ...);
88a3ccab grischka2009-12-20 01:53:49 +01001095
1096/* other utilities */
05108a3b grischka2013-02-12 19:13:28 +01001097ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
1098ST_FUNC void dynarray_reset(void *pp, int *n);
1099ST_FUNC void cstr_ccat(CString *cstr, int ch);
1100ST_FUNC void cstr_cat(CString *cstr, const char *str);
1101ST_FUNC void cstr_wccat(CString *cstr, int ch);
1102ST_FUNC void cstr_new(CString *cstr);
1103ST_FUNC void cstr_free(CString *cstr);
1104ST_FUNC void cstr_reset(CString *cstr);
88a3ccab grischka2009-12-20 01:53:49 +01001105
1106ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1107ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
3b7f5008 seyko2015-03-26 11:28:11 +03001108ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
d63ec6f2 Ali Gholami Rudi2010-02-04 23:08:01 +03301109ST_FUNC void section_reserve(Section *sec, unsigned long size);
88a3ccab grischka2009-12-20 01:53:49 +01001110ST_FUNC Section *find_section(TCCState *s1, const char *name);
1111
82bcbd02 grischka2013-02-04 16:08:06 +01001112ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1113ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
88a3ccab grischka2009-12-20 01:53:49 +01001114ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
8f639006 seyko2015-03-23 19:24:55 +03001115ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
88a3ccab grischka2009-12-20 01:53:49 +01001116
1117ST_INLN void sym_free(Sym *sym);
1118ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1119ST_FUNC Sym *sym_find2(Sym *s, int v);
1120ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1121ST_FUNC void sym_pop(Sym **ptop, Sym *b);
1122ST_INLN Sym *struct_find(int v);
1123ST_INLN Sym *sym_find(int v);
1124ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1125
e97bf88b grischka2010-11-25 13:29:15 +01001126ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001127ST_FUNC int tcc_open(TCCState *s1, const char *filename);
e97bf88b grischka2010-11-25 13:29:15 +01001128ST_FUNC void tcc_close(void);
1129
05364072 seyko2015-04-12 15:35:37 +03001130ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype);
e844fb11 grischka2011-08-06 16:49:30 +02001131ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
cb7e820e seyko2015-05-10 11:37:36 +03001132
1133#ifndef TCC_TARGET_PE
74a24d77 grischka2011-08-11 16:55:30 +02001134ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
cb7e820e seyko2015-05-10 11:37:36 +03001135#endif
1136
30df3189 grischka2015-05-09 14:29:39 +02001137ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
1138PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
74a24d77 grischka2011-08-11 16:55:30 +02001139
88a3ccab grischka2009-12-20 01:53:49 +01001140PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
05108a3b grischka2013-02-12 19:13:28 +01001141PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
0ad857c8
AA
Andrew Aladjev2013-02-19 14:47:36 +03001142PUB_FUNC void tcc_set_environment(TCCState *s);
1143
88a3ccab grischka2009-12-20 01:53:49 +01001144/* ------------ tccpp.c ------------ */
1145
1146ST_DATA struct BufferedFile *file;
1147ST_DATA int ch, tok;
1148ST_DATA CValue tokc;
4e5170d4 grischka2010-01-14 20:58:03 +01001149ST_DATA const int *macro_ptr;
88a3ccab grischka2009-12-20 01:53:49 +01001150ST_DATA int parse_flags;
1151ST_DATA int tok_flags;
1152ST_DATA CString tokcstr; /* current parsed string, if any */
1153
1154/* display benchmark infos */
1155ST_DATA int total_lines;
1156ST_DATA int total_bytes;
1157ST_DATA int tok_ident;
1158ST_DATA TokenSym **table_ident;
1159
1160#define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1161#define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1162#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1163#define TOK_FLAG_EOF 0x0008 /* end of file */
1164
1165#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1166#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1167#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1168 token. line feed is also
1169 returned at eof */
bbcb54a1 seyko2015-04-27 16:36:58 +03001170#define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
88a3ccab grischka2009-12-20 01:53:49 +01001171#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
0877ba7c Philip2015-05-02 12:58:37 +00001172#define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
30df3189 grischka2015-05-09 14:29:39 +02001173#define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
88a3ccab grischka2009-12-20 01:53:49 +01001174
1175ST_FUNC TokenSym *tok_alloc(const char *str, int len);
30df3189 grischka2015-05-09 14:29:39 +02001176ST_FUNC const char *get_tok_str(int v, CValue *cv);
1177ST_FUNC void begin_macro(TokenString *str, int alloc);
1178ST_FUNC void end_macro(void);
88a3ccab grischka2009-12-20 01:53:49 +01001179ST_FUNC void save_parse_state(ParseState *s);
1180ST_FUNC void restore_parse_state(ParseState *s);
1181ST_INLN void tok_str_new(TokenString *s);
1182ST_FUNC void tok_str_free(int *str);
1183ST_FUNC void tok_str_add(TokenString *s, int t);
1184ST_FUNC void tok_str_add_tok(TokenString *s);
1185ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1186ST_FUNC void define_undef(Sym *s);
1187ST_INLN Sym *define_find(int v);
1188ST_FUNC void free_defines(Sym *b);
80322ada seyko2015-05-13 12:16:00 +03001189ST_FUNC void print_defines(void);
88a3ccab grischka2009-12-20 01:53:49 +01001190ST_FUNC Sym *label_find(int v);
1191ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1192ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1193ST_FUNC void parse_define(void);
1194ST_FUNC void preprocess(int is_bof);
1195ST_FUNC void next_nomacro(void);
1196ST_FUNC void next(void);
1197ST_INLN void unget_tok(int last_tok);
1198ST_FUNC void preprocess_init(TCCState *s1);
cec76c8b Urs Janssen2013-02-15 12:48:33 +01001199ST_FUNC void preprocess_new(void);
30df3189 grischka2015-05-09 14:29:39 +02001200ST_FUNC void preprocess_delete(void);
88a3ccab grischka2009-12-20 01:53:49 +01001201ST_FUNC int tcc_preprocess(TCCState *s1);
1202ST_FUNC void skip(int c);
5879c854 grischka2014-04-04 20:18:39 +02001203ST_FUNC NORETURN void expect(const char *msg);
88a3ccab grischka2009-12-20 01:53:49 +01001204
1205/* ------------ tccgen.c ------------ */
1206
1207ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1208ST_DATA Section *cur_text_section; /* current section where function code is generated */
1209#ifdef CONFIG_TCC_ASM
1210ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1211#endif
1212#ifdef CONFIG_TCC_BCHECK
1213/* bound check related sections */
1214ST_DATA Section *bounds_section; /* contains global data bound description */
1215ST_DATA Section *lbounds_section; /* contains local data bound description */
1216#endif
1217/* symbol sections */
1218ST_DATA Section *symtab_section, *strtab_section;
1219/* debug sections */
1220ST_DATA Section *stab_section, *stabstr_section;
1221
1222#define SYM_POOL_NB (8192 / sizeof(Sym))
1223ST_DATA Sym *sym_free_first;
1224ST_DATA void **sym_pools;
1225ST_DATA int nb_sym_pools;
1226
1227ST_DATA Sym *global_stack;
1228ST_DATA Sym *local_stack;
1229ST_DATA Sym *local_label_stack;
1230ST_DATA Sym *global_label_stack;
1231ST_DATA Sym *define_stack;
718fd591 Michael Matz2012-04-16 01:13:25 +02001232ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
30df3189 grischka2015-05-09 14:29:39 +02001233ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
43a11a7e Kirill Smelkov2012-12-01 01:00:23 +04001234#define vstack (__vstack + 1)
88a3ccab grischka2009-12-20 01:53:49 +01001235ST_DATA int rsym, anon_sym, ind, loc;
1236
1237ST_DATA int const_wanted; /* true if constant wanted */
1238ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1239ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1240ST_DATA CType func_vt; /* current function return type (used by return instruction) */
8efaa711 Thomas Preud'homme2014-01-06 22:27:39 +08001241ST_DATA int func_var; /* true if current function is variadic */
88a3ccab grischka2009-12-20 01:53:49 +01001242ST_DATA int func_vc;
1243ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
30df3189 grischka2015-05-09 14:29:39 +02001244ST_DATA const char *funcname;
88a3ccab grischka2009-12-20 01:53:49 +01001245
30df3189 grischka2015-05-09 14:29:39 +02001246ST_FUNC void check_vstack(void);
88a3ccab grischka2009-12-20 01:53:49 +01001247ST_INLN int is_float(int t);
df9cce24 grischka2011-08-01 01:10:36 +02001248ST_FUNC int ieee_finite(double d);
88a3ccab grischka2009-12-20 01:53:49 +01001249ST_FUNC void test_lvalue(void);
1250ST_FUNC void swap(int *p, int *q);
1251ST_FUNC void vpushi(int v);
1252ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1253ST_FUNC void vset(CType *type, int r, int v);
1254ST_FUNC void vswap(void);
0de95730 grischka2009-12-20 20:33:41 +01001255ST_FUNC void vpush_global_sym(CType *type, int v);
7f6095bf Thomas Preud'homme2011-12-10 07:22:09 +01001256ST_FUNC void vrote(SValue *e, int n);
0de95730 grischka2009-12-20 20:33:41 +01001257ST_FUNC void vrott(int n);
bfb00494 Thomas Preud'homme2012-03-14 15:39:16 +01001258ST_FUNC void vrotb(int n);
0de95730 grischka2009-12-20 20:33:41 +01001259#ifdef TCC_TARGET_ARM
1260ST_FUNC int get_reg_ex(int rc, int rc2);
0de95730 grischka2009-12-20 20:33:41 +01001261ST_FUNC void lexpand_nr(void);
1262#endif
4a01eb09 grischka2009-12-19 22:41:26 +01001263ST_FUNC void vpushv(SValue *v);
88a3ccab grischka2009-12-20 01:53:49 +01001264ST_FUNC void save_reg(int r);
1265ST_FUNC int get_reg(int rc);
1266ST_FUNC void save_regs(int n);
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +00001267ST_FUNC void gaddrof(void);
88a3ccab grischka2009-12-20 01:53:49 +01001268ST_FUNC int gv(int rc);
1269ST_FUNC void gv2(int rc1, int rc2);
1270ST_FUNC void vpop(void);
1271ST_FUNC void gen_op(int op);
1272ST_FUNC int type_size(CType *type, int *a);
1273ST_FUNC void mk_pointer(CType *type);
1274ST_FUNC void vstore(void);
1275ST_FUNC void inc(int post, int c);
b8adf009 Thomas Preud'homme2010-09-14 19:17:39 +02001276ST_FUNC void parse_asm_str(CString *astr);
88a3ccab grischka2009-12-20 01:53:49 +01001277ST_FUNC int lvalue_type(int t);
1278ST_FUNC void indir(void);
1279ST_FUNC void unary(void);
1280ST_FUNC void expr_prod(void);
1281ST_FUNC void expr_sum(void);
1282ST_FUNC void gexpr(void);
1283ST_FUNC int expr_const(void);
1284ST_FUNC void gen_inline_functions(void);
1285ST_FUNC void decl(int l);
0de95730 grischka2009-12-20 20:33:41 +01001286#if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
88a3ccab grischka2009-12-20 01:53:49 +01001287ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1288#endif
41b3c7a5 James Lyon2013-04-27 20:39:34 +01001289#if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
b961ba53
JL
James Lyon2013-04-19 11:08:12 +01001290ST_FUNC int classify_x86_64_va_arg(CType *ty);
1291#endif
88a3ccab grischka2009-12-20 01:53:49 +01001292
1293/* ------------ tccelf.c ------------ */
1294
05108a3b grischka2013-02-12 19:13:28 +01001295#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1296#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1297#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1298
88a3ccab grischka2009-12-20 01:53:49 +01001299#define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1300
1301typedef struct {
1302 unsigned int n_strx; /* index into string table of name */
1303 unsigned char n_type; /* type of symbol */
1304 unsigned char n_other; /* misc info (usually empty) */
1305 unsigned short n_desc; /* description field */
1306 unsigned int n_value; /* value of symbol */
1307} Stab_Sym;
1308
1309ST_FUNC Section *new_symtab(TCCState *s1, const char *symtab_name, int sh_type, int sh_flags, const char *strtab_name, const char *hash_name, int hash_sh_flags);
1310
1311ST_FUNC int put_elf_str(Section *s, const char *sym);
82bcbd02 grischka2013-02-04 16:08:06 +01001312ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1313ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
88a3ccab grischka2009-12-20 01:53:49 +01001314ST_FUNC int find_elf_sym(Section *s, const char *name);
1315ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
8f639006 seyko2015-03-23 19:24:55 +03001316ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
88a3ccab grischka2009-12-20 01:53:49 +01001317
1318ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1319ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1320ST_FUNC void put_stabn(int type, int other, int desc, int value);
1321ST_FUNC void put_stabd(int type, int other, int desc);
1322
1323ST_FUNC void relocate_common_syms(void);
1324ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1325ST_FUNC void relocate_section(TCCState *s1, Section *s);
9750d0b7 Michael Matz2014-04-06 00:30:22 +02001326ST_FUNC void relocate_plt(TCCState *s1);
88a3ccab grischka2009-12-20 01:53:49 +01001327
1328ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +01001329ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1330ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001331ST_FUNC void tcc_add_bcheck(TCCState *s1);
1332
1333ST_FUNC void build_got_entries(TCCState *s1);
1334ST_FUNC void tcc_add_runtime(TCCState *s1);
1335
82bcbd02 grischka2013-02-04 16:08:06 +01001336ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
3fe2a95d grischka2014-01-07 14:57:07 +01001337#if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
82bcbd02 grischka2013-02-04 16:08:06 +01001338ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1339#endif
1340
88a3ccab grischka2009-12-20 01:53:49 +01001341#ifndef TCC_TARGET_PE
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001342ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
88a3ccab grischka2009-12-20 01:53:49 +01001343ST_FUNC int tcc_load_ldscript(TCCState *s1);
1344ST_FUNC uint8_t *parse_comment(uint8_t *p);
1345ST_FUNC void minp(void);
1346ST_INLN void inp(void);
1347ST_FUNC int handle_eob(void);
1348#endif
1349
1350/* ------------ xxx-gen.c ------------ */
1351
05108a3b grischka2013-02-12 19:13:28 +01001352ST_DATA const int reg_classes[NB_REGS];
d6d7686b grischka2013-02-08 19:07:11 +01001353
88a3ccab grischka2009-12-20 01:53:49 +01001354ST_FUNC void gsym_addr(int t, int a);
1355ST_FUNC void gsym(int t);
1356ST_FUNC void load(int r, SValue *sv);
1357ST_FUNC void store(int r, SValue *v);
ef3d38c5 gus knight2015-07-29 16:57:41 -04001358ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
88a3ccab grischka2009-12-20 01:53:49 +01001359ST_FUNC void gfunc_call(int nb_args);
1360ST_FUNC void gfunc_prolog(CType *func_type);
1361ST_FUNC void gfunc_epilog(void);
1362ST_FUNC int gjmp(int t);
1363ST_FUNC void gjmp_addr(int a);
1364ST_FUNC int gtst(int inv, int t);
1365ST_FUNC void gen_opi(int op);
1366ST_FUNC void gen_opf(int op);
1367ST_FUNC void gen_cvt_ftoi(int t);
1368ST_FUNC void gen_cvt_ftof(int t);
1369ST_FUNC void ggoto(void);
1370#ifndef TCC_TARGET_C67
1371ST_FUNC void o(unsigned int c);
1372#endif
1373#ifndef TCC_TARGET_ARM
1374ST_FUNC void gen_cvt_itof(int t);
1375#endif
41b3c7a5
JL
James Lyon2013-04-27 20:39:34 +01001376ST_FUNC void gen_vla_sp_save(int addr);
1377ST_FUNC void gen_vla_sp_restore(int addr);
1378ST_FUNC void gen_vla_alloc(CType *type, int align);
88a3ccab grischka2009-12-20 01:53:49 +01001379
1380/* ------------ i386-gen.c ------------ */
1381#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1382ST_FUNC void g(int c);
1383ST_FUNC int oad(int c, int s);
1384ST_FUNC void gen_le16(int c);
1385ST_FUNC void gen_le32(int c);
1386ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1387ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1388#endif
1389
1390#ifdef CONFIG_TCC_BCHECK
1391ST_FUNC void gen_bounded_ptr_add(void);
1392ST_FUNC void gen_bounded_ptr_deref(void);
1393#endif
1394
1395/* ------------ x86_64-gen.c ------------ */
1396#ifdef TCC_TARGET_X86_64
1397ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
d6d7686b grischka2013-02-08 19:07:11 +01001398ST_FUNC void gen_opl(int op);
88a3ccab grischka2009-12-20 01:53:49 +01001399#endif
1400
1401/* ------------ arm-gen.c ------------ */
1402#ifdef TCC_TARGET_ARM
774f0611 seyko2015-03-03 17:16:52 +03001403#if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +08001404ST_FUNC char *default_elfinterp(struct TCCState *s);
1405#endif
1406ST_FUNC void arm_init(struct TCCState *s);
3de023b6 Daniel Glöckner2010-05-13 22:17:09 +02001407ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
88a3ccab grischka2009-12-20 01:53:49 +01001408ST_FUNC void gen_cvt_itof1(int t);
1409#endif
1410
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +00001411/* ------------ arm64-gen.c ------------ */
1412#ifdef TCC_TARGET_ARM64
1413ST_FUNC void gen_cvt_sxtw(void);
1414ST_FUNC void gen_opl(int op);
1415ST_FUNC void greturn(void);
1416ST_FUNC void gen_va_start(void);
1417ST_FUNC void gen_va_arg(CType *t);
d73b4884 Edmund Grimley Evans2015-03-08 00:10:44 +00001418ST_FUNC void gen_clear_cache(void);
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +00001419#endif
1420
88a3ccab grischka2009-12-20 01:53:49 +01001421/* ------------ c67-gen.c ------------ */
1422#ifdef TCC_TARGET_C67
1423#endif
1424
1425/* ------------ tcccoff.c ------------ */
1426
1427#ifdef TCC_TARGET_COFF
1428ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001429ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001430#endif
1431
1432/* ------------ tccasm.c ------------ */
1433ST_FUNC void asm_instr(void);
1434ST_FUNC void asm_global_instr(void);
88a3ccab grischka2009-12-20 01:53:49 +01001435#ifdef CONFIG_TCC_ASM
1436ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1437ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1438ST_FUNC int asm_int_expr(TCCState *s1);
1439ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1440/* ------------ i386-asm.c ------------ */
1441ST_FUNC void gen_expr32(ExprValue *pe);
1442ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1443ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1444ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1445ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1446ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1447#endif
05108a3b grischka2013-02-12 19:13:28 +01001448
88a3ccab grischka2009-12-20 01:53:49 +01001449/* ------------ tccpe.c -------------- */
1450#ifdef TCC_TARGET_PE
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001451ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001452ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
82bcbd02 grischka2013-02-04 16:08:06 +01001453ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
2341ee51 grischka2010-01-14 20:55:51 +01001454ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
50b040ef grischka2009-12-19 22:40:28 +01001455#ifdef TCC_TARGET_X86_64
1456ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1457#endif
2ac238fc grischka2014-04-17 17:01:28 +02001458/* symbol properties stored in Elf32_Sym->st_other */
1459# define ST_PE_EXPORT 0x10
1460# define ST_PE_IMPORT 0x20
1461# define ST_PE_STDCALL 0x40
88a3ccab grischka2009-12-20 01:53:49 +01001462#endif
1463
1464/* ------------ tccrun.c ----------------- */
82bcbd02 grischka2013-02-04 16:08:06 +01001465#ifdef TCC_IS_NATIVE
0de95730 grischka2009-12-20 20:33:41 +01001466#ifdef CONFIG_TCC_STATIC
1467#define RTLD_LAZY 0x001
1468#define RTLD_NOW 0x002
1469#define RTLD_GLOBAL 0x100
1470#define RTLD_DEFAULT NULL
1471/* dummy function for profiling */
1472ST_FUNC void *dlopen(const char *filename, int flag);
1473ST_FUNC void dlclose(void *p);
05108a3b grischka2013-02-12 19:13:28 +01001474ST_FUNC const char *dlerror(void);
0de95730 grischka2009-12-20 20:33:41 +01001475ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
82bcbd02 grischka2013-02-04 16:08:06 +01001476#elif !defined _WIN32
88a3ccab grischka2009-12-20 01:53:49 +01001477ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1478#endif
3c59f842 grischka2012-04-18 18:43:29 +02001479
1480#ifdef CONFIG_TCC_BACKTRACE
1481ST_DATA int rt_num_callers;
1482ST_DATA const char **rt_bound_error_msg;
1483ST_DATA void *rt_prog_main;
05108a3b grischka2013-02-12 19:13:28 +01001484ST_FUNC void tcc_set_num_callers(int n);
3c59f842 grischka2012-04-18 18:43:29 +02001485#endif
82bcbd02 grischka2013-02-04 16:08:06 +01001486#endif
3c59f842 grischka2012-04-18 18:43:29 +02001487
88a3ccab grischka2009-12-20 01:53:49 +01001488/********************************************************/
88a3ccab grischka2009-12-20 01:53:49 +01001489#undef ST_DATA
5280293d grischka2011-07-14 18:45:37 +02001490#ifdef ONE_SOURCE
88a3ccab grischka2009-12-20 01:53:49 +01001491#define ST_DATA static
1492#else
1493#define ST_DATA
1494#endif
1495/********************************************************/
1496#endif /* _TCC_H */