VLA code: minor fix
[tinycc.git] / tcc.h
Commit [+]AuthorDateLineData
a93bcdff grischka2009-05-05 20:17:11 +02001/*
2 * TCC - Tiny C Compiler
3 *
4 * 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
296# include "i386-gen.c"
297#endif
298#ifdef TCC_TARGET_X86_64
299# include "x86_64-gen.c"
300#endif
301#ifdef TCC_TARGET_ARM
302# include "arm-gen.c"
303#endif
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +0000304#ifdef TCC_TARGET_ARM64
305# include "arm64-gen.c"
306#endif
d6d7686b grischka2013-02-08 19:07:11 +0100307#ifdef TCC_TARGET_C67
308# include "coff.h"
309# include "c67-gen.c"
310#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 */
40418f87 seyko2015-03-03 14:15:28 +0300501 int line_ref; /* moved from tcc_preprocess(), needed for a right ouput in other places */
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 */
20a5845a Lee Duhem2014-12-11 09:58:53 +0800506 unsigned char buffer[1]; /* extra size for CH_EOB char */
ae37bd5a grischka2009-05-05 20:17:26 +0200507} BufferedFile;
508
509#define CH_EOB '\\' /* end of buffer or '\0' char in file */
510#define CH_EOF (-1) /* end of file */
511
512/* parsing state (used to save parser state to reparse part of the
513 source several times) */
514typedef struct ParseState {
4e5170d4 grischka2010-01-14 20:58:03 +0100515 const int *macro_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200516 int line_num;
517 int tok;
518 CValue tokc;
519} ParseState;
520
521/* used to record tokens */
522typedef struct TokenString {
523 int *str;
524 int len;
525 int allocated_len;
526 int last_line_num;
527} TokenString;
528
d0b432ab grischka2009-06-29 20:14:53 +0100529/* inline functions */
530typedef struct InlineFunc {
531 int *token_str;
532 Sym *sym;
533 char filename[1];
534} InlineFunc;
535
ae37bd5a grischka2009-05-05 20:17:26 +0200536/* include file cache, used to find files faster and also to eliminate
537 inclusion if the include file is protected by #ifndef ... #endif */
538typedef struct CachedInclude {
539 int ifndef_macro;
540 int hash_next; /* -1 if none */
ae37bd5a grischka2009-05-05 20:17:26 +0200541 char filename[1]; /* path specified in #include */
542} CachedInclude;
543
544#define CACHED_INCLUDES_HASH_SIZE 512
545
0a35f9d6 grischka2009-05-11 18:45:56 +0200546#ifdef CONFIG_TCC_ASM
547typedef struct ExprValue {
548 uint32_t v;
549 Sym *sym;
550} ExprValue;
551
552#define MAX_ASM_OPERANDS 30
553typedef struct ASMOperand {
554 int id; /* GCC 3 optionnal identifier (0 if number only supported */
555 char *constraint;
556 char asm_str[16]; /* computed asm string for operand */
557 SValue *vt; /* C value of the expression */
558 int ref_index; /* if >= 0, gives reference to a output constraint */
559 int input_index; /* if >= 0, gives reference to an input constraint */
560 int priority; /* priority, used to assign registers */
561 int reg; /* if >= 0, register number used for this operand */
562 int is_llong; /* true if double register value */
563 int is_memory; /* true if memory operand */
564 int is_rw; /* for '+' modifier */
565} ASMOperand;
0a35f9d6 grischka2009-05-11 18:45:56 +0200566#endif
567
e2212738
TP
Thomas Preud'homme2012-11-04 00:40:05 +0100568struct sym_attr {
569 unsigned long got_offset;
0bd12820 Michael Matz2014-03-31 05:36:12 +0200570 unsigned long plt_offset;
e2212738
TP
Thomas Preud'homme2012-11-04 00:40:05 +0100571#ifdef TCC_TARGET_ARM
572 unsigned char plt_thumb_stub:1;
573#endif
574};
575
ae37bd5a grischka2009-05-05 20:17:26 +0200576struct TCCState {
f98c2306 grischka2012-04-18 18:48:26 +0200577
05108a3b grischka2013-02-12 19:13:28 +0100578 int verbose; /* if true, display some information during compilation */
ae37bd5a grischka2009-05-05 20:17:26 +0200579 int nostdinc; /* if true, no standard headers are added */
580 int nostdlib; /* if true, no standard libraries are added */
ae37bd5a grischka2009-05-05 20:17:26 +0200581 int nocommon; /* if true, do not use common symbols for .bss data */
05108a3b grischka2013-02-12 19:13:28 +0100582 int static_link; /* if true, static linking is performed */
583 int rdynamic; /* if true, all symbols are exported */
584 int symbolic; /* if true, resolve symbols in the current module first */
585 int alacarte_link; /* if true, only link in referenced objects from archive */
ae37bd5a grischka2009-05-05 20:17:26 +0200586
05108a3b grischka2013-02-12 19:13:28 +0100587 char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
588 char *soname; /* as specified on the command line (-soname) */
589 char *rpath; /* as specified on the command line (-Wl,-rpath=) */
34dabe49 Detlef Riekenberg2010-04-05 22:56:33 +0200590
05108a3b grischka2013-02-12 19:13:28 +0100591 /* output type, see TCC_OUTPUT_XXX */
592 int output_type;
ae37bd5a grischka2009-05-05 20:17:26 +0200593 /* output format, see TCC_OUTPUT_FORMAT_xxx */
594 int output_format;
595
596 /* C language options */
597 int char_is_unsigned;
598 int leading_underscore;
dec95935 seyko2015-04-10 06:31:58 +0300599 int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
5c9dde72 seyko2015-04-10 23:44:10 +0300600 int old_struct_init_code; /* use old algorithm to init array in struct when there is no '{' used.
601 Liuux 2.4.26 can't find initrd when compiled with a new algorithm */
dcb36587 seyko2015-04-12 15:32:03 +0300602 int dollars_in_identifiers; /* allows '$' char in indentifiers */
ae37bd5a grischka2009-05-05 20:17:26 +0200603
604 /* warning switches */
605 int warn_write_strings;
606 int warn_unsupported;
607 int warn_error;
608 int warn_none;
609 int warn_implicit_function_declaration;
610
f9181416 grischka2009-05-11 18:45:44 +0200611 /* compile with debug symbol (and use them if error during execution) */
612 int do_debug;
5cd4393a seyko2015-04-10 06:53:48 +0300613 int do_strip;
7fa712e0 grischka2009-12-19 22:22:43 +0100614#ifdef CONFIG_TCC_BCHECK
f9181416 grischka2009-05-11 18:45:44 +0200615 /* compile with built-in memory and bounds checker */
616 int do_bounds_check;
7fa712e0 grischka2009-12-19 22:22:43 +0100617#endif
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +0800618#ifdef TCC_TARGET_ARM
619 enum float_abi float_abi; /* float ABI of the generated code*/
620#endif
05108a3b grischka2013-02-12 19:13:28 +0100621
622 addr_t text_addr; /* address of text section */
623 int has_text_addr;
624
625 unsigned long section_align; /* section alignment */
626
627 char *init_symbol; /* symbols to call at load-time (not used currently) */
628 char *fini_symbol; /* symbols to call at unload-time (not used currently) */
629
630#ifdef TCC_TARGET_I386
631 int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
632#endif
633
634 /* array of all loaded dlls (including those referenced by loaded dlls) */
635 DLLReference **loaded_dlls;
636 int nb_loaded_dlls;
637
638 /* include paths */
639 char **include_paths;
640 int nb_include_paths;
641
642 char **sysinclude_paths;
643 int nb_sysinclude_paths;
644
645 /* library paths */
646 char **library_paths;
647 int nb_library_paths;
648
649 /* crt?.o object path */
650 char **crt_paths;
651 int nb_crt_paths;
f9181416 grischka2009-05-11 18:45:44 +0200652
ae37bd5a grischka2009-05-05 20:17:26 +0200653 /* error handling */
654 void *error_opaque;
655 void (*error_func)(void *opaque, const char *msg);
656 int error_set_jmp_enabled;
657 jmp_buf error_jmp_buf;
658 int nb_errors;
659
05108a3b grischka2013-02-12 19:13:28 +0100660 /* output file for preprocessing (-E) */
661 FILE *ppfp;
50cdccf3 seyko2015-03-03 14:19:14 +0300662 enum {
663 LINE_MACRO_OUTPUT_FORMAT_GCC,
664 LINE_MACRO_OUTPUT_FORMAT_NONE,
665 LINE_MACRO_OUTPUT_FORMAT_STD,
666 } Pflag;
b7b9f9f5 seyko2015-03-03 14:25:57 +0300667 int dflag; /* for keeping a -dD value */
ae37bd5a grischka2009-05-05 20:17:26 +0200668
05108a3b grischka2013-02-12 19:13:28 +0100669 /* for -MD/-MF: collected dependencies for this compilation */
670 char **target_deps;
671 int nb_target_deps;
672
673 /* compilation */
ae37bd5a grischka2009-05-05 20:17:26 +0200674 BufferedFile *include_stack[INCLUDE_STACK_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100675 BufferedFile **include_stack_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200676
ae37bd5a grischka2009-05-05 20:17:26 +0200677 int ifdef_stack[IFDEF_STACK_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100678 int *ifdef_stack_ptr;
ae37bd5a grischka2009-05-05 20:17:26 +0200679
05108a3b grischka2013-02-12 19:13:28 +0100680 /* included files enclosed with #ifndef MACRO */
ae37bd5a grischka2009-05-05 20:17:26 +0200681 int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
05108a3b grischka2013-02-12 19:13:28 +0100682 CachedInclude **cached_includes;
683 int nb_cached_includes;
ae37bd5a grischka2009-05-05 20:17:26 +0200684
05108a3b grischka2013-02-12 19:13:28 +0100685 /* #pragma pack stack */
ae37bd5a grischka2009-05-05 20:17:26 +0200686 int pack_stack[PACK_STACK_SIZE];
687 int *pack_stack_ptr;
688
05108a3b grischka2013-02-12 19:13:28 +0100689 /* inline functions are stored as token lists and compiled last
690 only if referenced */
d0b432ab grischka2009-06-29 20:14:53 +0100691 struct InlineFunc **inline_fns;
692 int nb_inline_fns;
693
05108a3b grischka2013-02-12 19:13:28 +0100694 /* sections */
695 Section **sections;
696 int nb_sections; /* number of sections, including first dummy section */
697
698 Section **priv_sections;
699 int nb_priv_sections; /* number of private sections */
700
701 /* got & plt handling */
702 Section *got;
703 Section *plt;
704 struct sym_attr *sym_attrs;
705 int nb_sym_attrs;
706 /* give the correspondance from symtab indexes to dynsym indexes */
707 int *symtab_to_dynsym;
0d768b97 Frederic Feret2009-08-27 09:34:35 +0200708
05108a3b grischka2013-02-12 19:13:28 +0100709 /* temporary dynamic symbol sections (for dll loading) */
710 Section *dynsymtab_section;
711 /* exported dynamic symbol section */
712 Section *dynsym;
713 /* copy of the gobal symtab_section variable */
714 Section *symtab;
715 /* tiny assembler state */
716 Sym *asm_labels;
2f73e42d
FF
Frederic Feret2009-08-27 10:12:13 +0200717
718#ifdef TCC_TARGET_PE
719 /* PE info */
720 int pe_subsystem;
05108a3b grischka2013-02-12 19:13:28 +0100721 unsigned pe_file_align;
722 unsigned pe_stack_size;
723# ifdef TCC_TARGET_X86_64
df4c0892 grischka2011-07-14 19:09:49 +0200724 Section *uw_pdata;
725 int uw_sym;
726 unsigned uw_offs;
05108a3b grischka2013-02-12 19:13:28 +0100727# endif
2f73e42d
FF
Frederic Feret2009-08-27 10:12:13 +0200728#endif
729
05108a3b grischka2013-02-12 19:13:28 +0100730#ifdef TCC_IS_NATIVE
73faaea2 grischka2013-08-28 22:55:05 +0200731 const char *runtime_main;
05108a3b grischka2013-02-12 19:13:28 +0100732 /* for tcc_relocate */
733 void *runtime_mem;
734# ifdef HAVE_SELINUX
735 void *write_mem;
736 unsigned long mem_size;
737# endif
3ea4acb9 grischka2009-07-18 22:05:27 +0200738#endif
05108a3b grischka2013-02-12 19:13:28 +0100739
740 /* used by main and tcc_parse_args only */
741 char **files; /* files seen on command line */
742 int nb_files; /* number thereof */
743 int nb_libraries; /* number of libs thereof */
744 char *outfile; /* output filename */
745 char *option_m; /* only -m32/-m64 handled */
746 int print_search_dirs; /* option */
747 int option_r; /* option -r */
748 int do_bench; /* option -bench */
749 int gen_deps; /* option -MD */
750 char *deps_outfile; /* option -MF */
ae37bd5a grischka2009-05-05 20:17:26 +0200751};
752
753/* The current value can be: */
05108a3b grischka2013-02-12 19:13:28 +0100754#define VT_VALMASK 0x003f /* mask for value location, register or: */
755#define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
f115c123 grischka2011-08-06 16:08:03 +0200756#define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
757#define VT_LOCAL 0x0032 /* offset on stack */
758#define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
759#define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
760#define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
761#define VT_REF 0x0040 /* value is pointer to structure rather than address */
ae37bd5a grischka2009-05-05 20:17:26 +0200762#define VT_LVAL 0x0100 /* var is an lvalue */
763#define VT_SYM 0x0200 /* a symbol value is added */
764#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
765 char/short stored in integer registers) */
766#define VT_MUSTBOUND 0x0800 /* bound checking must be done before
767 dereferencing value */
768#define VT_BOUNDED 0x8000 /* value is bounded. The address of the
769 bounding function call point is in vc */
770#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
771#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
772#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
773#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
774
775/* types */
05108a3b grischka2013-02-12 19:13:28 +0100776#define VT_BTYPE 0x000f /* mask for basic type */
777#define VT_INT 0 /* integer type */
778#define VT_BYTE 1 /* signed byte type */
779#define VT_SHORT 2 /* short type */
780#define VT_VOID 3 /* void type */
781#define VT_PTR 4 /* pointer */
782#define VT_ENUM 5 /* enum definition */
783#define VT_FUNC 6 /* function type */
784#define VT_STRUCT 7 /* struct/union definition */
785#define VT_FLOAT 8 /* IEEE float */
786#define VT_DOUBLE 9 /* IEEE double */
787#define VT_LDOUBLE 10 /* IEEE long double */
788#define VT_BOOL 11 /* ISOC99 boolean type */
789#define VT_LLONG 12 /* 64 bit integer */
790#define VT_LONG 13 /* long integer (NEVER USED as type, only
791 during parsing) */
55ea6d3f
JL
James Lyon2013-04-19 00:40:48 +0100792#define VT_QLONG 14 /* 128-bit integer. Only used for x86-64 ABI */
793#define VT_QFLOAT 15 /* 128-bit float. Only used for x86-64 ABI */
05108a3b grischka2013-02-12 19:13:28 +0100794#define VT_UNSIGNED 0x0010 /* unsigned type */
795#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */
796#define VT_BITFIELD 0x0040 /* bitfield modifier */
797#define VT_CONSTANT 0x0800 /* const modifier */
798#define VT_VOLATILE 0x1000 /* volatile modifier */
b0b5165d Thomas Preud'homme2014-02-06 20:51:47 +0800799#define VT_DEFSIGN 0x2000 /* signed type */
05108a3b grischka2013-02-12 19:13:28 +0100800#define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */
ae37bd5a grischka2009-05-05 20:17:26 +0200801
802/* storage */
38f6467c
TP
Thomas Preud'homme2011-02-05 02:31:27 +0100803#define VT_EXTERN 0x00000080 /* extern definition */
804#define VT_STATIC 0x00000100 /* static variable */
805#define VT_TYPEDEF 0x00000200 /* typedef definition */
806#define VT_INLINE 0x00000400 /* inline definition */
807#define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */
808#define VT_EXPORT 0x00008000 /* win32: data exported from dll */
05108a3b grischka2013-02-12 19:13:28 +0100809#define VT_WEAK 0x00010000 /* weak symbol */
d0c2f00d Ramsay Jones2013-10-02 21:49:55 +0200810#define VT_TLS 0x00040000 /* thread-local storage */
fbda78ae
MM
Michael Matz2014-04-14 02:53:11 +0200811#define VT_VIS_SHIFT 19 /* shift for symbol visibility, overlapping
812 bitfield values, because bitfields never
813 have linkage and hence never have
814 visibility. */
815#define VT_VIS_SIZE 2 /* We have four visibilities. */
816#define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
ae37bd5a grischka2009-05-05 20:17:26 +0200817
d0c2f00d Ramsay Jones2013-10-02 21:49:55 +0200818#define VT_STRUCT_SHIFT 19 /* shift for bitfield shift values (max: 32 - 2*6) */
ae37bd5a grischka2009-05-05 20:17:26 +0200819
fbda78ae Michael Matz2014-04-14 02:53:11 +0200820
ae37bd5a grischka2009-05-05 20:17:26 +0200821/* type mask (except storage) */
fbda78ae Michael Matz2014-04-14 02:53:11 +0200822#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 +0100823#define VT_TYPE (~(VT_STORAGE))
ae37bd5a grischka2009-05-05 20:17:26 +0200824
825/* token values */
826
827/* warning: the following compare tokens depend on i386 asm code */
828#define TOK_ULT 0x92
829#define TOK_UGE 0x93
830#define TOK_EQ 0x94
831#define TOK_NE 0x95
832#define TOK_ULE 0x96
833#define TOK_UGT 0x97
834#define TOK_Nset 0x98
835#define TOK_Nclear 0x99
836#define TOK_LT 0x9c
837#define TOK_GE 0x9d
838#define TOK_LE 0x9e
839#define TOK_GT 0x9f
840
841#define TOK_LAND 0xa0
842#define TOK_LOR 0xa1
ae37bd5a grischka2009-05-05 20:17:26 +0200843#define TOK_DEC 0xa2
844#define TOK_MID 0xa3 /* inc/dec, to void constant */
845#define TOK_INC 0xa4
846#define TOK_UDIV 0xb0 /* unsigned division */
847#define TOK_UMOD 0xb1 /* unsigned modulo */
848#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
0ac8aaab grischka2014-03-29 16:40:54 +0100849
850/* tokens that carry values (in additional token string space / tokc) --> */
851#define TOK_CCHAR 0xb3 /* char constant in tokc */
852#define TOK_LCHAR 0xb4
853#define TOK_CINT 0xb5 /* number in tokc */
854#define TOK_CUINT 0xb6 /* unsigned int constant */
855#define TOK_CLLONG 0xb7 /* long long constant */
856#define TOK_CULLONG 0xb8 /* unsigned long long constant */
857#define TOK_STR 0xb9 /* pointer to string in tokc */
858#define TOK_LSTR 0xba
859#define TOK_CFLOAT 0xbb /* float constant */
860#define TOK_CDOUBLE 0xbc /* double constant */
861#define TOK_CLDOUBLE 0xbd /* long double constant */
862#define TOK_PPNUM 0xbe /* preprocessor number */
863#define TOK_LINENUM 0xbf /* line number info */
864/* <-- */
865
866#define TOK_TWOSHARPS 0xc0 /* ## preprocessing token */
6e56bb38 Thomas Preud'homme2014-04-12 12:00:13 +0800867#define TOK_PLCHLDR 0xc1 /* placeholder token as defined in C99 */
ae37bd5a grischka2009-05-05 20:17:26 +0200868#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
869#define TOK_ADDC1 0xc3 /* add with carry generation */
870#define TOK_ADDC2 0xc4 /* add with carry use */
871#define TOK_SUBC1 0xc5 /* add with carry generation */
872#define TOK_SUBC2 0xc6 /* add with carry use */
ae37bd5a grischka2009-05-05 20:17:26 +0200873#define TOK_ARROW 0xcb
874#define TOK_DOTS 0xcc /* three dots */
875#define TOK_SHR 0xcd /* unsigned shift right */
75c66959 Joe Soroka2011-02-01 13:23:40 -0800876#define TOK_NOSUBST 0xcf /* means following token has already been pp'd */
2f90db43 Philip2015-05-02 14:27:49 +0000877#define TOK_GNUCOMMA 0xd0 /* ,## preprocessing token */
ae37bd5a grischka2009-05-05 20:17:26 +0200878
879#define TOK_SHL 0x01 /* shift left */
880#define TOK_SAR 0x02 /* signed shift right */
881
882/* assignement operators : normal operator or 0x80 */
883#define TOK_A_MOD 0xa5
884#define TOK_A_AND 0xa6
885#define TOK_A_MUL 0xaa
886#define TOK_A_ADD 0xab
887#define TOK_A_SUB 0xad
888#define TOK_A_DIV 0xaf
889#define TOK_A_XOR 0xde
890#define TOK_A_OR 0xfc
891#define TOK_A_SHL 0x81
892#define TOK_A_SAR 0x82
893
894#ifndef offsetof
895#define offsetof(type, field) ((size_t) &((type *)0)->field)
896#endif
897
898#ifndef countof
899#define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
900#endif
901
ae37bd5a grischka2009-05-05 20:17:26 +0200902#define TOK_EOF (-1) /* end of file */
903#define TOK_LINEFEED 10 /* line feed */
904
905/* all identificators and strings have token above that */
906#define TOK_IDENT 256
907
ae37bd5a grischka2009-05-05 20:17:26 +0200908#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100909#define TOK_ASM_int TOK_INT
c59d3426 Joe Soroka2011-02-01 08:43:54 -0800910#define TOK_ASM_weak TOK_WEAK1
ae37bd5a grischka2009-05-05 20:17:26 +0200911
1308e8eb grischka2009-12-19 22:08:37 +0100912#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
913/* only used for i386 asm opcodes definitions */
ae37bd5a grischka2009-05-05 20:17:26 +0200914#define DEF_BWL(x) \
915 DEF(TOK_ASM_ ## x ## b, #x "b") \
916 DEF(TOK_ASM_ ## x ## w, #x "w") \
917 DEF(TOK_ASM_ ## x ## l, #x "l") \
918 DEF(TOK_ASM_ ## x, #x)
ae37bd5a grischka2009-05-05 20:17:26 +0200919#define DEF_WL(x) \
920 DEF(TOK_ASM_ ## x ## w, #x "w") \
921 DEF(TOK_ASM_ ## x ## l, #x "l") \
922 DEF(TOK_ASM_ ## x, #x)
526c4645 Frederic Feret2009-08-27 09:53:50 +0200923#ifdef TCC_TARGET_X86_64
1308e8eb grischka2009-12-19 22:08:37 +0100924# define DEF_BWLQ(x) \
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200925 DEF(TOK_ASM_ ## x ## b, #x "b") \
926 DEF(TOK_ASM_ ## x ## w, #x "w") \
927 DEF(TOK_ASM_ ## x ## l, #x "l") \
928 DEF(TOK_ASM_ ## x ## q, #x "q") \
929 DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100930# define DEF_WLQ(x) \
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200931 DEF(TOK_ASM_ ## x ## w, #x "w") \
932 DEF(TOK_ASM_ ## x ## l, #x "l") \
933 DEF(TOK_ASM_ ## x ## q, #x "q") \
934 DEF(TOK_ASM_ ## x, #x)
1308e8eb grischka2009-12-19 22:08:37 +0100935# define DEF_BWLX DEF_BWLQ
936# define DEF_WLX DEF_WLQ
937/* number of sizes + 1 */
938# define NBWLX 5
939#else
940# define DEF_BWLX DEF_BWL
941# define DEF_WLX DEF_WL
942/* number of sizes + 1 */
943# define NBWLX 4
526c4645
FF
Frederic Feret2009-08-27 09:53:50 +0200944#endif
945
ae37bd5a grischka2009-05-05 20:17:26 +0200946#define DEF_FP1(x) \
947 DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
948 DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
949 DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
950 DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
951
952#define DEF_FP(x) \
953 DEF(TOK_ASM_ ## f ## x, "f" #x ) \
954 DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
955 DEF_FP1(x)
956
e260b036 seyko2015-01-06 22:59:19 +0300957#define DEF_ASMTEST(x,suffix) \
958 DEF_ASM(x ## o ## suffix) \
959 DEF_ASM(x ## no ## suffix) \
960 DEF_ASM(x ## b ## suffix) \
961 DEF_ASM(x ## c ## suffix) \
962 DEF_ASM(x ## nae ## suffix) \
963 DEF_ASM(x ## nb ## suffix) \
964 DEF_ASM(x ## nc ## suffix) \
965 DEF_ASM(x ## ae ## suffix) \
966 DEF_ASM(x ## e ## suffix) \
967 DEF_ASM(x ## z ## suffix) \
968 DEF_ASM(x ## ne ## suffix) \
969 DEF_ASM(x ## nz ## suffix) \
970 DEF_ASM(x ## be ## suffix) \
971 DEF_ASM(x ## na ## suffix) \
972 DEF_ASM(x ## nbe ## suffix) \
973 DEF_ASM(x ## a ## suffix) \
974 DEF_ASM(x ## s ## suffix) \
975 DEF_ASM(x ## ns ## suffix) \
976 DEF_ASM(x ## p ## suffix) \
977 DEF_ASM(x ## pe ## suffix) \
978 DEF_ASM(x ## np ## suffix) \
979 DEF_ASM(x ## po ## suffix) \
980 DEF_ASM(x ## l ## suffix) \
981 DEF_ASM(x ## nge ## suffix) \
982 DEF_ASM(x ## nl ## suffix) \
983 DEF_ASM(x ## ge ## suffix) \
984 DEF_ASM(x ## le ## suffix) \
985 DEF_ASM(x ## ng ## suffix) \
986 DEF_ASM(x ## nle ## suffix) \
987 DEF_ASM(x ## g ## suffix)
ae37bd5a grischka2009-05-05 20:17:26 +0200988
0bdbd49e Urs Janssen2013-02-17 00:48:51 +0100989#endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
ae37bd5a grischka2009-05-05 20:17:26 +0200990
991enum tcc_token {
992 TOK_LAST = TOK_IDENT - 1,
993#define DEF(id, str) id,
994#include "tcctok.h"
995#undef DEF
996};
997
ae37bd5a grischka2009-05-05 20:17:26 +0200998#define TOK_UIDENT TOK_DEFINE
999
88a3ccab grischka2009-12-20 01:53:49 +01001000/* space exlcuding newline */
1001static inline int is_space(int ch)
1002{
1003 return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
1004}
ae37bd5a grischka2009-05-05 20:17:26 +02001005
88a3ccab grischka2009-12-20 01:53:49 +01001006static inline int isid(int c)
1007{
1008 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
1009}
67aebdd5 grischka2009-05-11 18:46:02 +02001010
88a3ccab grischka2009-12-20 01:53:49 +01001011static inline int isnum(int c)
1012{
1013 return c >= '0' && c <= '9';
1014}
ae37bd5a grischka2009-05-05 20:17:26 +02001015
88a3ccab grischka2009-12-20 01:53:49 +01001016static inline int isoct(int c)
ae37bd5a grischka2009-05-05 20:17:26 +02001017{
88a3ccab grischka2009-12-20 01:53:49 +01001018 return c >= '0' && c <= '7';
ae37bd5a grischka2009-05-05 20:17:26 +02001019}
1020
88a3ccab grischka2009-12-20 01:53:49 +01001021static inline int toup(int c)
0a35f9d6 grischka2009-05-11 18:45:56 +02001022{
88a3ccab grischka2009-12-20 01:53:49 +01001023 return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
0a35f9d6 grischka2009-05-11 18:45:56 +02001024}
1025
74a24d77 grischka2011-08-11 16:55:30 +02001026#ifndef PUB_FUNC
1027# define PUB_FUNC
1028#endif
88a3ccab grischka2009-12-20 01:53:49 +01001029
5280293d grischka2011-07-14 18:45:37 +02001030#ifdef ONE_SOURCE
88a3ccab grischka2009-12-20 01:53:49 +01001031#define ST_INLN static inline
1032#define ST_FUNC static
1033#define ST_DATA static
1034#else
1035#define ST_INLN
1036#define ST_FUNC
1037#define ST_DATA extern
1038#endif
1039
1040/* ------------ libtcc.c ------------ */
1041
1042/* use GNU C extensions */
1043ST_DATA int gnu_ext;
1044/* use Tiny C extensions */
1045ST_DATA int tcc_ext;
1046/* XXX: get rid of this ASAP */
1047ST_DATA struct TCCState *tcc_state;
1048
05108a3b grischka2013-02-12 19:13:28 +01001049#ifdef MEM_DEBUG
1050ST_DATA int mem_cur_size;
1051ST_DATA int mem_max_size;
1052#endif
1053
88a3ccab grischka2009-12-20 01:53:49 +01001054#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */
1055#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
1056#define AFF_PREPROCESS 0x0004 /* preprocess file */
1057
1058/* public functions currently used by the tcc main function */
1059PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
1060PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
df9cce24 grischka2011-08-01 01:10:36 +02001061PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
88a3ccab grischka2009-12-20 01:53:49 +01001062PUB_FUNC char *tcc_basename(const char *name);
1063PUB_FUNC char *tcc_fileextension (const char *name);
1064PUB_FUNC void tcc_free(void *ptr);
1065PUB_FUNC void *tcc_malloc(unsigned long size);
1066PUB_FUNC void *tcc_mallocz(unsigned long size);
1067PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
1068PUB_FUNC char *tcc_strdup(const char *str);
1069#define free(p) use_tcc_free(p)
1070#define malloc(s) use_tcc_malloc(s)
1071#define realloc(p, s) use_tcc_realloc(p, s)
1072#undef strdup
1073#define strdup(s) use_tcc_strdup(s)
1074PUB_FUNC void tcc_memstats(void);
bf374a5f grischka2011-08-11 17:07:56 +02001075PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
5879c854 grischka2014-04-04 20:18:39 +02001076PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
bf374a5f grischka2011-08-11 17:07:56 +02001077PUB_FUNC void tcc_warning(const char *fmt, ...);
88a3ccab grischka2009-12-20 01:53:49 +01001078
1079/* other utilities */
05108a3b grischka2013-02-12 19:13:28 +01001080ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
1081ST_FUNC void dynarray_reset(void *pp, int *n);
1082ST_FUNC void cstr_ccat(CString *cstr, int ch);
1083ST_FUNC void cstr_cat(CString *cstr, const char *str);
1084ST_FUNC void cstr_wccat(CString *cstr, int ch);
1085ST_FUNC void cstr_new(CString *cstr);
1086ST_FUNC void cstr_free(CString *cstr);
1087ST_FUNC void cstr_reset(CString *cstr);
88a3ccab grischka2009-12-20 01:53:49 +01001088
1089ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
1090ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
3b7f5008 seyko2015-03-26 11:28:11 +03001091ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
d63ec6f2 Ali Gholami Rudi2010-02-04 23:08:01 +03301092ST_FUNC void section_reserve(Section *sec, unsigned long size);
88a3ccab grischka2009-12-20 01:53:49 +01001093ST_FUNC Section *find_section(TCCState *s1, const char *name);
1094
82bcbd02 grischka2013-02-04 16:08:06 +01001095ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
1096ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
88a3ccab grischka2009-12-20 01:53:49 +01001097ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
8f639006 seyko2015-03-23 19:24:55 +03001098ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
88a3ccab grischka2009-12-20 01:53:49 +01001099
1100ST_INLN void sym_free(Sym *sym);
1101ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
1102ST_FUNC Sym *sym_find2(Sym *s, int v);
1103ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
1104ST_FUNC void sym_pop(Sym **ptop, Sym *b);
1105ST_INLN Sym *struct_find(int v);
1106ST_INLN Sym *sym_find(int v);
1107ST_FUNC Sym *global_identifier_push(int v, int t, int c);
1108
e97bf88b grischka2010-11-25 13:29:15 +01001109ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001110ST_FUNC int tcc_open(TCCState *s1, const char *filename);
e97bf88b grischka2010-11-25 13:29:15 +01001111ST_FUNC void tcc_close(void);
1112
05364072 seyko2015-04-12 15:35:37 +03001113ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype);
e844fb11 grischka2011-08-06 16:49:30 +02001114ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
74a24d77 grischka2011-08-11 16:55:30 +02001115ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
74a24d77 grischka2011-08-11 16:55:30 +02001116
88a3ccab grischka2009-12-20 01:53:49 +01001117PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
05108a3b grischka2013-02-12 19:13:28 +01001118PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
e6f3bf7f grischka2011-08-06 16:08:46 +02001119
0ad857c8
AA
Andrew Aladjev2013-02-19 14:47:36 +03001120PUB_FUNC void tcc_set_environment(TCCState *s);
1121
88a3ccab grischka2009-12-20 01:53:49 +01001122/* ------------ tccpp.c ------------ */
1123
1124ST_DATA struct BufferedFile *file;
1125ST_DATA int ch, tok;
1126ST_DATA CValue tokc;
4e5170d4 grischka2010-01-14 20:58:03 +01001127ST_DATA const int *macro_ptr;
88a3ccab grischka2009-12-20 01:53:49 +01001128ST_DATA int parse_flags;
1129ST_DATA int tok_flags;
1130ST_DATA CString tokcstr; /* current parsed string, if any */
1131
1132/* display benchmark infos */
1133ST_DATA int total_lines;
1134ST_DATA int total_bytes;
1135ST_DATA int tok_ident;
1136ST_DATA TokenSym **table_ident;
1137
1138#define TOK_FLAG_BOL 0x0001 /* beginning of line before */
1139#define TOK_FLAG_BOF 0x0002 /* beginning of file before */
1140#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
1141#define TOK_FLAG_EOF 0x0008 /* end of file */
1142
1143#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
1144#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
1145#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
1146 token. line feed is also
1147 returned at eof */
bbcb54a1 seyko2015-04-27 16:36:58 +03001148#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 +01001149#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
0877ba7c Philip2015-05-02 12:58:37 +00001150#define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
88a3ccab grischka2009-12-20 01:53:49 +01001151
1152ST_FUNC TokenSym *tok_alloc(const char *str, int len);
1153ST_FUNC char *get_tok_str(int v, CValue *cv);
1154ST_FUNC void save_parse_state(ParseState *s);
1155ST_FUNC void restore_parse_state(ParseState *s);
1156ST_INLN void tok_str_new(TokenString *s);
1157ST_FUNC void tok_str_free(int *str);
1158ST_FUNC void tok_str_add(TokenString *s, int t);
1159ST_FUNC void tok_str_add_tok(TokenString *s);
1160ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
1161ST_FUNC void define_undef(Sym *s);
1162ST_INLN Sym *define_find(int v);
1163ST_FUNC void free_defines(Sym *b);
e2650608 seyko2015-03-19 08:07:35 +03001164ST_FUNC void print_defines(void);
88a3ccab grischka2009-12-20 01:53:49 +01001165ST_FUNC Sym *label_find(int v);
1166ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
1167ST_FUNC void label_pop(Sym **ptop, Sym *slast);
1168ST_FUNC void parse_define(void);
1169ST_FUNC void preprocess(int is_bof);
1170ST_FUNC void next_nomacro(void);
1171ST_FUNC void next(void);
1172ST_INLN void unget_tok(int last_tok);
1173ST_FUNC void preprocess_init(TCCState *s1);
cec76c8b Urs Janssen2013-02-15 12:48:33 +01001174ST_FUNC void preprocess_new(void);
88a3ccab grischka2009-12-20 01:53:49 +01001175ST_FUNC int tcc_preprocess(TCCState *s1);
1176ST_FUNC void skip(int c);
5879c854 grischka2014-04-04 20:18:39 +02001177ST_FUNC NORETURN void expect(const char *msg);
88a3ccab grischka2009-12-20 01:53:49 +01001178
1179/* ------------ tccgen.c ------------ */
1180
1181ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
1182ST_DATA Section *cur_text_section; /* current section where function code is generated */
1183#ifdef CONFIG_TCC_ASM
1184ST_DATA Section *last_text_section; /* to handle .previous asm directive */
1185#endif
1186#ifdef CONFIG_TCC_BCHECK
1187/* bound check related sections */
1188ST_DATA Section *bounds_section; /* contains global data bound description */
1189ST_DATA Section *lbounds_section; /* contains local data bound description */
1190#endif
1191/* symbol sections */
1192ST_DATA Section *symtab_section, *strtab_section;
1193/* debug sections */
1194ST_DATA Section *stab_section, *stabstr_section;
1195
1196#define SYM_POOL_NB (8192 / sizeof(Sym))
1197ST_DATA Sym *sym_free_first;
1198ST_DATA void **sym_pools;
1199ST_DATA int nb_sym_pools;
1200
1201ST_DATA Sym *global_stack;
1202ST_DATA Sym *local_stack;
1203ST_DATA Sym *local_label_stack;
1204ST_DATA Sym *global_label_stack;
1205ST_DATA Sym *define_stack;
718fd591 Michael Matz2012-04-16 01:13:25 +02001206ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
43a11a7e
KS
Kirill Smelkov2012-12-01 01:00:23 +04001207ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop;
1208#define vstack (__vstack + 1)
88a3ccab grischka2009-12-20 01:53:49 +01001209ST_DATA int rsym, anon_sym, ind, loc;
1210
1211ST_DATA int const_wanted; /* true if constant wanted */
1212ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
1213ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
1214ST_DATA CType func_vt; /* current function return type (used by return instruction) */
8efaa711 Thomas Preud'homme2014-01-06 22:27:39 +08001215ST_DATA int func_var; /* true if current function is variadic */
88a3ccab grischka2009-12-20 01:53:49 +01001216ST_DATA int func_vc;
1217ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
1218ST_DATA char *funcname;
1219
1220ST_INLN int is_float(int t);
df9cce24 grischka2011-08-01 01:10:36 +02001221ST_FUNC int ieee_finite(double d);
88a3ccab grischka2009-12-20 01:53:49 +01001222ST_FUNC void test_lvalue(void);
1223ST_FUNC void swap(int *p, int *q);
1224ST_FUNC void vpushi(int v);
1225ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
1226ST_FUNC void vset(CType *type, int r, int v);
1227ST_FUNC void vswap(void);
0de95730 grischka2009-12-20 20:33:41 +01001228ST_FUNC void vpush_global_sym(CType *type, int v);
7f6095bf Thomas Preud'homme2011-12-10 07:22:09 +01001229ST_FUNC void vrote(SValue *e, int n);
0de95730 grischka2009-12-20 20:33:41 +01001230ST_FUNC void vrott(int n);
bfb00494 Thomas Preud'homme2012-03-14 15:39:16 +01001231ST_FUNC void vrotb(int n);
0de95730 grischka2009-12-20 20:33:41 +01001232#ifdef TCC_TARGET_ARM
1233ST_FUNC int get_reg_ex(int rc, int rc2);
0de95730 grischka2009-12-20 20:33:41 +01001234ST_FUNC void lexpand_nr(void);
1235#endif
4a01eb09 grischka2009-12-19 22:41:26 +01001236ST_FUNC void vpushv(SValue *v);
88a3ccab grischka2009-12-20 01:53:49 +01001237ST_FUNC void save_reg(int r);
1238ST_FUNC int get_reg(int rc);
1239ST_FUNC void save_regs(int n);
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +00001240ST_FUNC void gaddrof(void);
88a3ccab grischka2009-12-20 01:53:49 +01001241ST_FUNC int gv(int rc);
1242ST_FUNC void gv2(int rc1, int rc2);
1243ST_FUNC void vpop(void);
1244ST_FUNC void gen_op(int op);
1245ST_FUNC int type_size(CType *type, int *a);
1246ST_FUNC void mk_pointer(CType *type);
1247ST_FUNC void vstore(void);
1248ST_FUNC void inc(int post, int c);
b8adf009 Thomas Preud'homme2010-09-14 19:17:39 +02001249ST_FUNC void parse_asm_str(CString *astr);
88a3ccab grischka2009-12-20 01:53:49 +01001250ST_FUNC int lvalue_type(int t);
1251ST_FUNC void indir(void);
1252ST_FUNC void unary(void);
1253ST_FUNC void expr_prod(void);
1254ST_FUNC void expr_sum(void);
1255ST_FUNC void gexpr(void);
1256ST_FUNC int expr_const(void);
1257ST_FUNC void gen_inline_functions(void);
1258ST_FUNC void decl(int l);
0de95730 grischka2009-12-20 20:33:41 +01001259#if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
88a3ccab grischka2009-12-20 01:53:49 +01001260ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
1261#endif
41b3c7a5 James Lyon2013-04-27 20:39:34 +01001262#if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
b961ba53
JL
James Lyon2013-04-19 11:08:12 +01001263ST_FUNC int classify_x86_64_va_arg(CType *ty);
1264#endif
88a3ccab grischka2009-12-20 01:53:49 +01001265
1266/* ------------ tccelf.c ------------ */
1267
05108a3b grischka2013-02-12 19:13:28 +01001268#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
1269#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
1270#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
1271
88a3ccab grischka2009-12-20 01:53:49 +01001272#define ARMAG "!<arch>\012" /* For COFF and a.out archives */
1273
1274typedef struct {
1275 unsigned int n_strx; /* index into string table of name */
1276 unsigned char n_type; /* type of symbol */
1277 unsigned char n_other; /* misc info (usually empty) */
1278 unsigned short n_desc; /* description field */
1279 unsigned int n_value; /* value of symbol */
1280} Stab_Sym;
1281
1282ST_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);
1283
1284ST_FUNC int put_elf_str(Section *s, const char *sym);
82bcbd02 grischka2013-02-04 16:08:06 +01001285ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
1286ST_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 +01001287ST_FUNC int find_elf_sym(Section *s, const char *name);
1288ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
8f639006 seyko2015-03-23 19:24:55 +03001289ST_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 +01001290
1291ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
1292ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
1293ST_FUNC void put_stabn(int type, int other, int desc, int value);
1294ST_FUNC void put_stabd(int type, int other, int desc);
1295
1296ST_FUNC void relocate_common_syms(void);
1297ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
1298ST_FUNC void relocate_section(TCCState *s1, Section *s);
9750d0b7 Michael Matz2014-04-06 00:30:22 +02001299ST_FUNC void relocate_plt(TCCState *s1);
88a3ccab grischka2009-12-20 01:53:49 +01001300
1301ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +01001302ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
1303ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001304ST_FUNC void tcc_add_bcheck(TCCState *s1);
1305
1306ST_FUNC void build_got_entries(TCCState *s1);
1307ST_FUNC void tcc_add_runtime(TCCState *s1);
1308
82bcbd02 grischka2013-02-04 16:08:06 +01001309ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
3fe2a95d grischka2014-01-07 14:57:07 +01001310#if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
82bcbd02 grischka2013-02-04 16:08:06 +01001311ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
1312#endif
1313
88a3ccab grischka2009-12-20 01:53:49 +01001314#ifndef TCC_TARGET_PE
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001315ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
88a3ccab grischka2009-12-20 01:53:49 +01001316ST_FUNC int tcc_load_ldscript(TCCState *s1);
1317ST_FUNC uint8_t *parse_comment(uint8_t *p);
1318ST_FUNC void minp(void);
1319ST_INLN void inp(void);
1320ST_FUNC int handle_eob(void);
1321#endif
1322
1323/* ------------ xxx-gen.c ------------ */
1324
05108a3b grischka2013-02-12 19:13:28 +01001325ST_DATA const int reg_classes[NB_REGS];
d6d7686b grischka2013-02-08 19:07:11 +01001326
88a3ccab grischka2009-12-20 01:53:49 +01001327ST_FUNC void gsym_addr(int t, int a);
1328ST_FUNC void gsym(int t);
1329ST_FUNC void load(int r, SValue *sv);
1330ST_FUNC void store(int r, SValue *v);
50899e30 Michael Matz2015-03-09 00:19:59 +01001331ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
88a3ccab grischka2009-12-20 01:53:49 +01001332ST_FUNC void gfunc_call(int nb_args);
1333ST_FUNC void gfunc_prolog(CType *func_type);
1334ST_FUNC void gfunc_epilog(void);
1335ST_FUNC int gjmp(int t);
1336ST_FUNC void gjmp_addr(int a);
1337ST_FUNC int gtst(int inv, int t);
1338ST_FUNC void gen_opi(int op);
1339ST_FUNC void gen_opf(int op);
1340ST_FUNC void gen_cvt_ftoi(int t);
1341ST_FUNC void gen_cvt_ftof(int t);
1342ST_FUNC void ggoto(void);
1343#ifndef TCC_TARGET_C67
1344ST_FUNC void o(unsigned int c);
1345#endif
1346#ifndef TCC_TARGET_ARM
1347ST_FUNC void gen_cvt_itof(int t);
1348#endif
41b3c7a5
JL
James Lyon2013-04-27 20:39:34 +01001349ST_FUNC void gen_vla_sp_save(int addr);
1350ST_FUNC void gen_vla_sp_restore(int addr);
1351ST_FUNC void gen_vla_alloc(CType *type, int align);
88a3ccab grischka2009-12-20 01:53:49 +01001352
1353/* ------------ i386-gen.c ------------ */
1354#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
1355ST_FUNC void g(int c);
1356ST_FUNC int oad(int c, int s);
1357ST_FUNC void gen_le16(int c);
1358ST_FUNC void gen_le32(int c);
1359ST_FUNC void gen_addr32(int r, Sym *sym, int c);
1360ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
1361#endif
1362
1363#ifdef CONFIG_TCC_BCHECK
1364ST_FUNC void gen_bounded_ptr_add(void);
1365ST_FUNC void gen_bounded_ptr_deref(void);
1366#endif
1367
1368/* ------------ x86_64-gen.c ------------ */
1369#ifdef TCC_TARGET_X86_64
1370ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
d6d7686b grischka2013-02-08 19:07:11 +01001371ST_FUNC void gen_opl(int op);
88a3ccab grischka2009-12-20 01:53:49 +01001372#endif
1373
1374/* ------------ arm-gen.c ------------ */
1375#ifdef TCC_TARGET_ARM
774f0611 seyko2015-03-03 17:16:52 +03001376#if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +08001377ST_FUNC char *default_elfinterp(struct TCCState *s);
1378#endif
1379ST_FUNC void arm_init(struct TCCState *s);
3de023b6 Daniel Glöckner2010-05-13 22:17:09 +02001380ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
88a3ccab grischka2009-12-20 01:53:49 +01001381ST_FUNC void gen_cvt_itof1(int t);
1382#endif
1383
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +00001384/* ------------ arm64-gen.c ------------ */
1385#ifdef TCC_TARGET_ARM64
1386ST_FUNC void gen_cvt_sxtw(void);
1387ST_FUNC void gen_opl(int op);
1388ST_FUNC void greturn(void);
1389ST_FUNC void gen_va_start(void);
1390ST_FUNC void gen_va_arg(CType *t);
d73b4884 Edmund Grimley Evans2015-03-08 00:10:44 +00001391ST_FUNC void gen_clear_cache(void);
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +00001392#endif
1393
88a3ccab grischka2009-12-20 01:53:49 +01001394/* ------------ c67-gen.c ------------ */
1395#ifdef TCC_TARGET_C67
1396#endif
1397
1398/* ------------ tcccoff.c ------------ */
1399
1400#ifdef TCC_TARGET_COFF
1401ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001402ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001403#endif
1404
1405/* ------------ tccasm.c ------------ */
1406ST_FUNC void asm_instr(void);
1407ST_FUNC void asm_global_instr(void);
88a3ccab grischka2009-12-20 01:53:49 +01001408#ifdef CONFIG_TCC_ASM
1409ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
1410ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
1411ST_FUNC int asm_int_expr(TCCState *s1);
1412ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
1413/* ------------ i386-asm.c ------------ */
1414ST_FUNC void gen_expr32(ExprValue *pe);
1415ST_FUNC void asm_opcode(TCCState *s1, int opcode);
1416ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
1417ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
1418ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
1419ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
1420#endif
05108a3b grischka2013-02-12 19:13:28 +01001421
88a3ccab grischka2009-12-20 01:53:49 +01001422/* ------------ tccpe.c -------------- */
1423#ifdef TCC_TARGET_PE
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001424ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
88a3ccab grischka2009-12-20 01:53:49 +01001425ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
82bcbd02 grischka2013-02-04 16:08:06 +01001426ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
2341ee51 grischka2010-01-14 20:55:51 +01001427ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
50b040ef grischka2009-12-19 22:40:28 +01001428#ifdef TCC_TARGET_X86_64
1429ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
1430#endif
2ac238fc grischka2014-04-17 17:01:28 +02001431/* symbol properties stored in Elf32_Sym->st_other */
1432# define ST_PE_EXPORT 0x10
1433# define ST_PE_IMPORT 0x20
1434# define ST_PE_STDCALL 0x40
88a3ccab grischka2009-12-20 01:53:49 +01001435#endif
1436
1437/* ------------ tccrun.c ----------------- */
82bcbd02 grischka2013-02-04 16:08:06 +01001438#ifdef TCC_IS_NATIVE
0de95730 grischka2009-12-20 20:33:41 +01001439#ifdef CONFIG_TCC_STATIC
1440#define RTLD_LAZY 0x001
1441#define RTLD_NOW 0x002
1442#define RTLD_GLOBAL 0x100
1443#define RTLD_DEFAULT NULL
1444/* dummy function for profiling */
1445ST_FUNC void *dlopen(const char *filename, int flag);
1446ST_FUNC void dlclose(void *p);
05108a3b grischka2013-02-12 19:13:28 +01001447ST_FUNC const char *dlerror(void);
0de95730 grischka2009-12-20 20:33:41 +01001448ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
82bcbd02 grischka2013-02-04 16:08:06 +01001449#elif !defined _WIN32
88a3ccab grischka2009-12-20 01:53:49 +01001450ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
1451#endif
3c59f842 grischka2012-04-18 18:43:29 +02001452
1453#ifdef CONFIG_TCC_BACKTRACE
1454ST_DATA int rt_num_callers;
1455ST_DATA const char **rt_bound_error_msg;
1456ST_DATA void *rt_prog_main;
05108a3b grischka2013-02-12 19:13:28 +01001457ST_FUNC void tcc_set_num_callers(int n);
3c59f842 grischka2012-04-18 18:43:29 +02001458#endif
82bcbd02 grischka2013-02-04 16:08:06 +01001459#endif
3c59f842 grischka2012-04-18 18:43:29 +02001460
88a3ccab grischka2009-12-20 01:53:49 +01001461/********************************************************/
88a3ccab grischka2009-12-20 01:53:49 +01001462#undef ST_DATA
5280293d grischka2011-07-14 18:45:37 +02001463#ifdef ONE_SOURCE
88a3ccab grischka2009-12-20 01:53:49 +01001464#define ST_DATA static
1465#else
1466#define ST_DATA
1467#endif
1468/********************************************************/
1469#endif /* _TCC_H */