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  1. /*
  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.  
  21. #ifndef _TCC_H
  22. #define _TCC_H
  23.  
  24. #define _GNU_SOURCE
  25. #include "config.h"
  26.  
  27. #include <stdlib.h>
  28. #include <stdio.h>
  29. #include <stdarg.h>
  30. #include <string.h>
  31. #include <errno.h>
  32. #include <math.h>
  33. #include <signal.h>
  34. #include <fcntl.h>
  35. #include <setjmp.h>
  36. #include <time.h>
  37. #include <sys/stat.h>          /* stat() */
  38.  
  39. #ifdef CONFIG_TCCASSERT
  40. #include <assert.h>
  41. #define TCC_ASSERT(ex) assert(ex)
  42. #else
  43. #define TCC_ASSERT(ex)
  44. #endif
  45.  
  46. #ifndef _WIN32
  47. # include <unistd.h>
  48. # include <sys/time.h>
  49. # ifndef TCC_TARGET_MEOS
  50. # include <sys/ucontext.h>
  51. # include <sys/mman.h>
  52. # endif
  53. # ifndef CONFIG_TCC_STATIC
  54. #  include <dlfcn.h>
  55. # endif
  56. /* XXX: need to define this to use them in non ISOC99 context */
  57.  extern float strtof (const char *__nptr, char **__endptr);
  58.  extern long double strtold (const char *__nptr, char **__endptr);
  59. #else /* on _WIN32: */
  60. # include <windows.h>
  61. # include <sys/timeb.h>
  62. # include <io.h> /* open, close etc. */
  63. # include <direct.h> /* getcwd */
  64. # ifdef __GNUC__
  65. #  include <stdint.h>
  66. # endif
  67. # define inline __inline
  68. # define inp next_inp
  69. # define snprintf _snprintf
  70. # define vsnprintf _vsnprintf
  71. # ifndef __GNUC__
  72. #  define strtold (long double)strtod
  73. #  define strtof (float)strtod
  74. #  define strtoll _strtoi64
  75. #  define strtoull _strtoui64
  76. # endif
  77. # ifdef LIBTCC_AS_DLL
  78. #  define LIBTCCAPI __declspec(dllexport)
  79. #  define PUB_FUNC LIBTCCAPI
  80. # endif
  81. # ifdef _MSC_VER
  82. #  pragma warning (disable : 4244)  // conversion from 'uint64_t' to 'int', possible loss of data
  83. #  pragma warning (disable : 4267)  // conversion from 'size_t' to 'int', possible loss of data
  84. #  pragma warning (disable : 4996)  // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
  85. #  pragma warning (disable : 4018)  // signed/unsigned mismatch
  86. #  pragma warning (disable : 4146)  // unary minus operator applied to unsigned type, result still unsigned
  87. # endif
  88. #endif
  89.  
  90. #ifndef O_BINARY
  91. # define O_BINARY 0
  92. #endif
  93.  
  94. #ifdef __GNUC__
  95. # define NORETURN __attribute__ ((noreturn))
  96. #elif defined _MSC_VER
  97. # define NORETURN __declspec(noreturn)
  98. #else
  99. # define NORETURN
  100. #endif
  101.  
  102. #ifdef _WIN32
  103. # define IS_DIRSEP(c) (c == '/' || c == '\\')
  104. # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
  105. # define PATHCMP stricmp
  106. # define PATH_NOCASE
  107. #else
  108. # define IS_DIRSEP(c) (c == '/')
  109. # define IS_ABSPATH(p) IS_DIRSEP(p[0])
  110. # define PATHCMP strcmp
  111. #endif
  112.  
  113. #if defined(TCC_TARGET_PE)||defined(TCC_TARGET_MEOS)
  114. #define PATHSEP ';'
  115. #else
  116. #define PATHSEP ':'
  117. #endif
  118.  
  119. #include "elf.h"
  120. #if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
  121. # define ELFCLASSW ELFCLASS64
  122. # define ElfW(type) Elf##64##_##type
  123. # define ELFW(type) ELF##64##_##type
  124. # define ElfW_Rel ElfW(Rela)
  125. # define SHT_RELX SHT_RELA
  126. # define REL_SECTION_FMT ".rela%s"
  127. /* XXX: DLL with PLT would only work with x86-64 for now */
  128. # define TCC_OUTPUT_DLL_WITH_PLT
  129. #else
  130. # define ELFCLASSW ELFCLASS32
  131. # define ElfW(type) Elf##32##_##type
  132. # define ELFW(type) ELF##32##_##type
  133. # define ElfW_Rel ElfW(Rel)
  134. # define SHT_RELX SHT_REL
  135. # define REL_SECTION_FMT ".rel%s"
  136. #endif
  137.  
  138. /* target address type */
  139. #define addr_t ElfW(Addr)
  140.  
  141. #include "stab.h"
  142. #include "libtcc.h"
  143.  
  144. static inline uint16_t read16le(unsigned char *p)
  145. {
  146.     return p[0] | (uint16_t)p[1] << 8;
  147. }
  148.  
  149. static inline void write16le(unsigned char *p, uint16_t x)
  150. {
  151.     p[0] = x & 255;
  152.     p[1] = x >> 8 & 255;
  153. }
  154.  
  155. static inline uint32_t read32le(unsigned char *p)
  156. {
  157.   return (p[0] | (uint32_t)p[1] << 8 |
  158.           (uint32_t)p[2] << 16 | (uint32_t)p[3] << 24);
  159. }
  160.  
  161. static inline void write32le(unsigned char *p, uint32_t x)
  162. {
  163.     p[0] = x & 255;
  164.     p[1] = x >> 8 & 255;
  165.     p[2] = x >> 16 & 255;
  166.     p[3] = x >> 24 & 255;
  167. }
  168.  
  169. static inline uint64_t read64le(unsigned char *p)
  170. {
  171.   return (p[0] | (uint64_t)p[1] << 8 |
  172.           (uint64_t)p[2] << 16 | (uint64_t)p[3] << 24 |
  173.           (uint64_t)p[4] << 32 | (uint64_t)p[5] << 40 |
  174.           (uint64_t)p[6] << 48 | (uint64_t)p[7] << 56);
  175. }
  176.  
  177. static inline void write64le(unsigned char *p, uint64_t x)
  178. {
  179.     p[0] = x & 255;
  180.     p[1] = x >> 8 & 255;
  181.     p[2] = x >> 16 & 255;
  182.     p[3] = x >> 24 & 255;
  183.     p[4] = x >> 32 & 255;
  184.     p[5] = x >> 40 & 255;
  185.     p[6] = x >> 48 & 255;
  186.     p[7] = x >> 56 & 255;
  187. }
  188.  
  189. /* parser debug */
  190. /* #define PARSE_DEBUG */
  191. /* preprocessor debug */
  192. /* #define PP_DEBUG */
  193. /* include file debug */
  194. /* #define INC_DEBUG */
  195. /* memory leak debug */
  196. /* #define MEM_DEBUG */
  197. /* assembler debug */
  198. /* #define ASM_DEBUG */
  199.  
  200. /* target selection */
  201. /* #define TCC_TARGET_I386   *//* i386 code generator */
  202. /* #define TCC_TARGET_ARM    *//* ARMv4 code generator */
  203. /* #define TCC_TARGET_ARM64  *//* ARMv8 code generator */
  204. /* #define TCC_TARGET_C67    *//* TMS320C67xx code generator */
  205. /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
  206.  
  207. /* default target is I386 */
  208. #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
  209.     !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
  210.     !defined(TCC_TARGET_X86_64)
  211. #define TCC_TARGET_I386
  212. #endif
  213.  
  214. #if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \
  215.     !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
  216.     !defined(CONFIG_USE_LIBGCC)
  217. #define CONFIG_TCC_BCHECK /* enable bound checking code */
  218. #endif
  219.  
  220. /* define it to include assembler support */
  221. #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64) && \
  222.     !defined(TCC_TARGET_C67)
  223. #define CONFIG_TCC_ASM
  224. #endif
  225.  
  226. /* object format selection */
  227. #if defined(TCC_TARGET_C67)
  228. #define TCC_TARGET_COFF
  229. #endif
  230.  
  231. /* only native compiler supports -run */
  232. #if defined _WIN32 && defined TCC_TARGET_PE
  233. # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
  234. #  define TCC_IS_NATIVE
  235. # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
  236. #  define TCC_IS_NATIVE
  237. # elif defined __arm__ && defined TCC_TARGET_ARM
  238. #  define TCC_IS_NATIVE
  239. # elif defined __aarch64__ && defined TCC_TARGET_ARM64
  240. #  define TCC_IS_NATIVE
  241. # endif
  242. #endif
  243.  
  244. #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
  245. # define CONFIG_TCC_BACKTRACE
  246. #endif
  247.  
  248. /* ------------ path configuration ------------ */
  249.  
  250. #ifndef CONFIG_SYSROOT
  251. # define CONFIG_SYSROOT ""
  252. #endif
  253. #ifndef CONFIG_TCCDIR
  254. # define CONFIG_TCCDIR "."
  255. #endif
  256. #ifndef CONFIG_LDDIR
  257. # ifdef TCC_TARGET_X86_64
  258. #   define CONFIG_LDDIR "lib64"
  259. # else
  260. #   define CONFIG_LDDIR "lib"
  261. # endif
  262. #endif
  263.  
  264. #ifdef CONFIG_MULTIARCHDIR
  265. # define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR
  266. # define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s
  267. #else
  268. # define USE_MUADIR(s) s
  269. # define ALSO_MUADIR(s) s
  270. #endif
  271.  
  272. /* path to find crt1.o, crti.o and crtn.o */
  273. #ifndef CONFIG_TCC_CRTPREFIX
  274. # if defined (TCC_TARGET_MEOS)
  275. #   define CONFIG_TCC_CRTPREFIX "{B}/lib"
  276. # else
  277. #   define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
  278. # endif
  279. #endif
  280.  
  281. /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
  282.  
  283. /* system include paths */
  284. #ifndef CONFIG_TCC_SYSINCLUDEPATHS
  285. # ifdef TCC_TARGET_PE
  286. #  define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
  287. # elif defined(TCC_TARGET_MEOS)
  288. #  define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"
  289. # else
  290. #  define CONFIG_TCC_SYSINCLUDEPATHS \
  291.         "{B}/include" \
  292.     ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \
  293.     ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include")
  294. # endif
  295. #endif
  296.  
  297. /* library search paths */
  298. #ifndef CONFIG_TCC_LIBPATHS
  299. # if defined (TCC_TARGET_PE) || defined (TCC_TARGET_MEOS)
  300. #  define CONFIG_TCC_LIBPATHS "{B}/lib"
  301. # else
  302. #  define CONFIG_TCC_LIBPATHS \
  303.         ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
  304.     ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
  305.     ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
  306. # endif
  307. #endif
  308.  
  309. /* name of ELF interpreter */
  310. #ifndef CONFIG_TCC_ELFINTERP
  311. # if defined __FreeBSD__
  312. #  define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
  313. # elif defined __FreeBSD_kernel__
  314. #  if defined(TCC_TARGET_X86_64)
  315. #   define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
  316. #  else
  317. #   define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
  318. #  endif
  319. # elif defined __DragonFly__
  320. #  define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
  321. # elif defined __NetBSD__
  322. #  define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
  323. # elif defined __GNU__
  324. #  define CONFIG_TCC_ELFINTERP "/lib/ld.so"
  325. # elif defined(TCC_TARGET_PE)
  326. #  define CONFIG_TCC_ELFINTERP "-"
  327. # elif defined(TCC_UCLIBC)
  328. #  define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
  329. # elif defined TCC_TARGET_ARM64
  330. #  define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
  331. # elif defined(TCC_TARGET_X86_64)
  332. #  define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
  333. # elif !defined(TCC_ARM_EABI)
  334. #  define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
  335. # endif
  336. #endif
  337.  
  338. /* var elf_interp dans *-gen.c */
  339. #ifdef CONFIG_TCC_ELFINTERP
  340. # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
  341. #else
  342. # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
  343. #endif
  344.  
  345. /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
  346. #define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
  347.  
  348. /* -------------------------------------------- */
  349. /* include the target specific definitions */
  350.  
  351. #ifdef TCC_TARGET_COFF
  352. # include "coff.h"
  353. #endif
  354.  
  355.  
  356. #define TARGET_DEFS_ONLY
  357. #ifdef TCC_TARGET_I386
  358. # include "i386-gen.c"
  359. #endif
  360. #ifdef TCC_TARGET_X86_64
  361. # include "x86_64-gen.c"
  362. #endif
  363. #ifdef TCC_TARGET_ARM
  364. # include "arm-gen.c"
  365. #endif
  366. #ifdef TCC_TARGET_ARM64
  367. # include "arm64-gen.c"
  368. #endif
  369. #ifdef TCC_TARGET_C67
  370. # include "c67-gen.c"
  371. #endif
  372. #undef TARGET_DEFS_ONLY
  373.  
  374. /* -------------------------------------------- */
  375.  
  376. #define INCLUDE_STACK_SIZE  32
  377. #define IFDEF_STACK_SIZE    64
  378. #define VSTACK_SIZE         256
  379. #define STRING_MAX_SIZE     1024
  380. #define TOKSTR_MAX_SIZE     256
  381. #define PACK_STACK_SIZE     8
  382.  
  383. #define TOK_HASH_SIZE       16384 /* must be a power of two */
  384. #define TOK_ALLOC_INCR      512  /* must be a power of two */
  385. #define TOK_MAX_SIZE        4 /* token max size in int unit when stored in string */
  386. #define TOKSYM_TAL_SIZE     (768 * 1024) /* allocator for tiny TokenSym in table_ident */
  387. #define TOKSTR_TAL_SIZE     (768 * 1024) /* allocator for tiny TokenString instances */
  388. #define CSTR_TAL_SIZE       (256 * 1024) /* allocator for tiny CString instances */
  389. #define TOKSYM_TAL_LIMIT    256 /* prefer unique limits to distinguish allocators debug msgs */
  390. #define TOKSTR_TAL_LIMIT    128 /* 32 * sizeof(int) */
  391. #define CSTR_TAL_LIMIT      1024
  392.  
  393. /* token symbol management */
  394. typedef struct TokenSym {
  395.     struct TokenSym *hash_next;
  396.     struct Sym *sym_define; /* direct pointer to define */
  397.     struct Sym *sym_label; /* direct pointer to label */
  398.     struct Sym *sym_struct; /* direct pointer to structure */
  399.     struct Sym *sym_identifier; /* direct pointer to identifier */
  400.     int tok; /* token number */
  401.     int len;
  402.     char str[1];
  403. } TokenSym;
  404.  
  405. #ifdef TCC_TARGET_PE
  406. typedef unsigned short nwchar_t;
  407. #else
  408. typedef int nwchar_t;
  409. #endif
  410.  
  411. typedef struct CString {
  412.     int size; /* size in bytes */
  413.     void *data; /* either 'char *' or 'nwchar_t *' */
  414.     int size_allocated;
  415.     void *data_allocated; /* if non NULL, data has been malloced */
  416. } CString;
  417.  
  418. /* type definition */
  419. typedef struct CType {
  420.     int t;
  421.     struct Sym *ref;
  422. } CType;
  423.  
  424. /* constant value */
  425. typedef union CValue {
  426.     long double ld;
  427.     double d;
  428.     float f;
  429.     uint64_t i;
  430.     struct {
  431.         int size;
  432.         const void *data;
  433.         void *data_allocated;
  434.     } str;
  435.     int tab[LDOUBLE_SIZE/4];
  436. } CValue;
  437.  
  438. /* value on stack */
  439. typedef struct SValue {
  440.     CType type;      /* type */
  441.     unsigned short r;      /* register + flags */
  442.     unsigned short r2;     /* second register, used for 'long long'
  443.                               type. If not used, set to VT_CONST */
  444.     CValue c;              /* constant, if VT_CONST */
  445.     struct Sym *sym;       /* symbol, if (VT_SYM | VT_CONST) */
  446. } SValue;
  447.  
  448. struct Attribute {
  449.     unsigned
  450.         func_call     : 3, /* calling convention (0..5), see below */
  451.         aligned       : 5, /* alignement (0..16) */
  452.         packed        : 1,
  453.         func_export   : 1,
  454.         func_import   : 1,
  455.         func_args     : 5,
  456.         func_proto    : 1,
  457.         mode          : 4,
  458.         weak          : 1,
  459.         visibility    : 2,
  460.         fill          : 8; // 8 bits left to fit well in union below
  461. };
  462.  
  463. /* GNUC attribute definition */
  464. typedef struct AttributeDef {
  465.     struct Attribute a;
  466.     struct Section *section;
  467.     int alias_target;    /* token */
  468.     int asm_label;    /* associated asm label */
  469. } AttributeDef;
  470.  
  471. /* symbol management */
  472. typedef struct Sym {
  473.     int v;    /* symbol token */
  474.     int asm_label;    /* associated asm label */
  475.     union {
  476.         long r;    /* associated register */
  477.         struct Attribute a;
  478.     };
  479.     union {
  480.         long c;    /* associated number */
  481.         int *d;   /* define token stream */
  482.     };
  483.     CType type;    /* associated type */
  484.     union {
  485.         struct Sym *next; /* next related symbol */
  486.         long jnext; /* next jump label */
  487.     };
  488.     struct Sym *prev; /* prev symbol in stack */
  489.     struct Sym *prev_tok; /* previous symbol for this token */
  490. } Sym;
  491.  
  492. /* section definition */
  493. /* XXX: use directly ELF structure for parameters ? */
  494. /* special flag to indicate that the section should not be linked to
  495.    the other ones */
  496. #define SHF_PRIVATE 0x80000000
  497.  
  498. /* special flag, too */
  499. #define SECTION_ABS ((void *)1)
  500.  
  501. typedef struct Section {
  502.     unsigned long data_offset; /* current data offset */
  503.     unsigned char *data;       /* section data */
  504.     unsigned long data_allocated; /* used for realloc() handling */
  505.     int sh_name;             /* elf section name (only used during output) */
  506.     int sh_num;              /* elf section number */
  507.     int sh_type;             /* elf section type */
  508.     int sh_flags;            /* elf section flags */
  509.     int sh_info;             /* elf section info */
  510.     int sh_addralign;        /* elf section alignment */
  511.     int sh_entsize;          /* elf entry size */
  512.     unsigned long sh_size;   /* section size (only used during output) */
  513.     addr_t sh_addr;          /* address at which the section is relocated */
  514.     unsigned long sh_offset; /* file offset */
  515.     int nb_hashed_syms;      /* used to resize the hash table */
  516.     struct Section *link;    /* link to another section */
  517.     struct Section *reloc;   /* corresponding section for relocation, if any */
  518.     struct Section *hash;     /* hash table for symbols */
  519.     struct Section *next;
  520.     char name[1];           /* section name */
  521. } Section;
  522.  
  523. typedef struct DLLReference {
  524.     int level;
  525.     void *handle;
  526.     char name[1];
  527. } DLLReference;
  528.  
  529. /* -------------------------------------------------- */
  530.  
  531. #define SYM_STRUCT     0x40000000 /* struct/union/enum symbol space */
  532. #define SYM_FIELD      0x20000000 /* struct/union field symbol space */
  533. #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
  534.  
  535. /* stored in 'Sym.c' field */
  536. #define FUNC_NEW       1 /* ansi function prototype */
  537. #define FUNC_OLD       2 /* old function prototype */
  538. #define FUNC_ELLIPSIS  3 /* ansi function prototype with ... */
  539.  
  540. /* stored in 'Sym.r' field */
  541. #define FUNC_CDECL     0 /* standard c call */
  542. #define FUNC_STDCALL   1 /* pascal c call */
  543. #define FUNC_FASTCALL1 2 /* first param in %eax */
  544. #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
  545. #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
  546. #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
  547.  
  548. /* field 'Sym.t' for macros */
  549. #define MACRO_OBJ      0 /* object like macro */
  550. #define MACRO_FUNC     1 /* function like macro */
  551.  
  552. /* field 'Sym.r' for C labels */
  553. #define LABEL_DEFINED  0 /* label is defined */
  554. #define LABEL_FORWARD  1 /* label is forward defined */
  555. #define LABEL_DECLARED 2 /* label is declared but never used */
  556.  
  557. /* type_decl() types */
  558. #define TYPE_ABSTRACT  1 /* type without variable */
  559. #define TYPE_DIRECT    2 /* type with variable */
  560.  
  561. #define IO_BUF_SIZE 8192
  562.  
  563. typedef struct BufferedFile {
  564.     uint8_t *buf_ptr;
  565.     uint8_t *buf_end;
  566.     int fd;
  567.     struct BufferedFile *prev;
  568.     int line_num;    /* current line number - here to simplify code */
  569.     int line_ref;    /* tcc -E: last printed line */
  570.     int ifndef_macro;  /* #ifndef macro / #endif search */
  571.     int ifndef_macro_saved; /* saved ifndef_macro */
  572.     int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
  573.     int include_next_index; /* next search path */
  574.     char filename[1024];    /* filename */
  575.     unsigned char unget[4];
  576.     unsigned char buffer[1]; /* extra size for CH_EOB char */
  577. } BufferedFile;
  578.  
  579. #define CH_EOB   '\\'       /* end of buffer or '\0' char in file */
  580. #define CH_EOF   (-1)   /* end of file */
  581.  
  582. /* parsing state (used to save parser state to reparse part of the
  583.    source several times) */
  584. typedef struct ParseState {
  585.     const int *macro_ptr;
  586.     int line_num;
  587.     int tok;
  588.     CValue tokc;
  589. } ParseState;
  590.  
  591. /* used to record tokens */
  592. typedef struct TokenString {
  593.     int *str;
  594.     int len;
  595.     int allocated_len;
  596.     int last_line_num;
  597.     /* used to chain token-strings with begin/end_macro() */
  598.     struct TokenString *prev;
  599.     const int *prev_ptr;
  600.     char alloc;
  601. } TokenString;
  602.  
  603. /* inline functions */
  604. typedef struct InlineFunc {
  605.     TokenString func_str;
  606.     Sym *sym;
  607.     char filename[1];
  608. } InlineFunc;
  609.  
  610. /* include file cache, used to find files faster and also to eliminate
  611.    inclusion if the include file is protected by #ifndef ... #endif */
  612. typedef struct CachedInclude {
  613.     int ifndef_macro;
  614.     int hash_next; /* -1 if none */
  615.     char filename[1]; /* path specified in #include */
  616. } CachedInclude;
  617.  
  618. #define CACHED_INCLUDES_HASH_SIZE 512
  619.  
  620. #ifdef CONFIG_TCC_ASM
  621. typedef struct ExprValue {
  622.     uint32_t v;
  623.     Sym *sym;
  624. } ExprValue;
  625.  
  626. #define MAX_ASM_OPERANDS 30
  627. typedef struct ASMOperand {
  628.     int id; /* GCC 3 optionnal identifier (0 if number only supported */
  629.     char *constraint;
  630.     char asm_str[16]; /* computed asm string for operand */
  631.     SValue *vt; /* C value of the expression */
  632.     int ref_index; /* if >= 0, gives reference to a output constraint */
  633.     int input_index; /* if >= 0, gives reference to an input constraint */
  634.     int priority; /* priority, used to assign registers */
  635.     int reg; /* if >= 0, register number used for this operand */
  636.     int is_llong; /* true if double register value */
  637.     int is_memory; /* true if memory operand */
  638.     int is_rw;     /* for '+' modifier */
  639. } ASMOperand;
  640. #endif
  641.  
  642. struct sym_attr {
  643.     unsigned long got_offset;
  644.     unsigned long plt_offset;
  645. #ifdef TCC_TARGET_ARM
  646.     unsigned char plt_thumb_stub:1;
  647. #endif
  648. };
  649.  
  650. typedef struct ParseArgsState
  651. {
  652.     int run;
  653.     int pthread;
  654.     int filetype;
  655.     CString linker_arg; /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
  656. } ParseArgsState;
  657.  
  658. #if !defined(MEM_DEBUG)
  659. #define tal_free(al, p) tal_free_impl(al, p)
  660. #define tal_realloc(al, p, size) tal_realloc_impl(&al, p, size)
  661. #define TAL_DEBUG_PARAMS
  662. #else
  663. #define TAL_DEBUG 1
  664. #define tal_free(al, p) tal_free_impl(al, p, __FILE__, __LINE__)
  665. #define tal_realloc(al, p, size) tal_realloc_impl(&al, p, size, __FILE__, __LINE__)
  666. #define TAL_DEBUG_PARAMS , const char *file, int line
  667. #define TAL_DEBUG_FILE_LEN 15
  668. #endif
  669. //#define TAL_INFO 1 /* collect and dump allocators stats */
  670.  
  671. typedef struct TinyAlloc {
  672.     size_t  limit;
  673.     size_t  size;
  674.     uint8_t *buffer;
  675.     uint8_t *p;
  676.     size_t  nb_allocs;
  677.     struct TinyAlloc *next, *top;
  678. #ifdef TAL_INFO
  679.     size_t  nb_peak;
  680.     size_t  nb_total;
  681.     size_t  nb_missed;
  682.     uint8_t *peak_p;
  683. #endif
  684. } TinyAlloc;
  685.  
  686. typedef struct tal_header_t {
  687.     size_t  size;
  688. #ifdef TAL_DEBUG
  689.     int     line_num; /* negative line_num used for double free check */
  690.     char    file_name[TAL_DEBUG_FILE_LEN + 1];
  691. #endif
  692. } tal_header_t;
  693.  
  694. struct TCCState {
  695.  
  696.     int verbose; /* if true, display some information during compilation */
  697.     int nostdinc; /* if true, no standard headers are added */
  698.     int nostdlib; /* if true, no standard libraries are added */
  699.     int nocommon; /* if true, do not use common symbols for .bss data */
  700.     int static_link; /* if true, static linking is performed */
  701.     int rdynamic; /* if true, all symbols are exported */
  702.     int symbolic; /* if true, resolve symbols in the current module first */
  703.     int alacarte_link; /* if true, only link in referenced objects from archive */
  704.  
  705.     char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
  706.     char *soname; /* as specified on the command line (-soname) */
  707.     char *rpath; /* as specified on the command line (-Wl,-rpath=) */
  708.  
  709.     /* output type, see TCC_OUTPUT_XXX */
  710.     int output_type;
  711.     /* output format, see TCC_OUTPUT_FORMAT_xxx */
  712.     int output_format;
  713.  
  714.     /* C language options */
  715.     int char_is_unsigned;
  716.     int leading_underscore;
  717.     int ms_extensions;          /* allow nested named struct w/o identifier behave like unnamed */
  718.     int old_struct_init_code;   /* use old algorithm to init array in struct when there is no '{' used.
  719.                                    Liuux 2.4.26 can't find initrd when compiled with a new algorithm */
  720.     int dollars_in_identifiers; /* allows '$' char in indentifiers */
  721.     int normalize_inc_dirs;     /* remove non-existent or duplicate directories from include paths */
  722.  
  723.     /* warning switches */
  724.     int warn_write_strings;
  725.     int warn_unsupported;
  726.     int warn_error;
  727.     int warn_none;
  728.     int warn_implicit_function_declaration;
  729.  
  730.     /* compile with debug symbol (and use them if error during execution) */
  731.     int do_debug;
  732.     int do_strip;
  733. #ifdef CONFIG_TCC_BCHECK
  734.     /* compile with built-in memory and bounds checker */
  735.     int do_bounds_check;
  736. #endif
  737. #ifdef TCC_TARGET_ARM
  738.     enum float_abi float_abi; /* float ABI of the generated code*/
  739. #endif
  740.  
  741.     addr_t text_addr; /* address of text section */
  742.     int has_text_addr;
  743.  
  744.     unsigned long section_align; /* section alignment */
  745.  
  746.     char *init_symbol; /* symbols to call at load-time (not used currently) */
  747.     char *fini_symbol; /* symbols to call at unload-time (not used currently) */
  748.    
  749. #ifdef TCC_TARGET_I386
  750.     int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
  751. #endif
  752.  
  753.     /* array of all loaded dlls (including those referenced by loaded dlls) */
  754.     DLLReference **loaded_dlls;
  755.     int nb_loaded_dlls;
  756.  
  757.     /* include paths */
  758.     char **include_paths;
  759.     int nb_include_paths;
  760.  
  761.     char **sysinclude_paths;
  762.     int nb_sysinclude_paths;
  763.  
  764.     /* library paths */
  765.     char **library_paths;
  766.     int nb_library_paths;
  767.  
  768.     /* crt?.o object path */
  769.     char **crt_paths;
  770.     int nb_crt_paths;
  771.  
  772.     /* error handling */
  773.     void *error_opaque;
  774.     void (*error_func)(void *opaque, const char *msg);
  775.     int error_set_jmp_enabled;
  776.     jmp_buf error_jmp_buf;
  777.     int nb_errors;
  778.  
  779.     /* output file for preprocessing (-E) */
  780.     FILE *ppfp;
  781.     enum {
  782.         LINE_MACRO_OUTPUT_FORMAT_GCC,
  783.         LINE_MACRO_OUTPUT_FORMAT_NONE,
  784.         LINE_MACRO_OUTPUT_FORMAT_STD
  785.     } Pflag; /* -P switch */
  786.     char dflag; /* -dX value */
  787.     FILE *dffp;
  788.  
  789.     /* for -MD/-MF: collected dependencies for this compilation */
  790.     char **target_deps;
  791.     int nb_target_deps;
  792.  
  793.     /* compilation */
  794.     BufferedFile *include_stack[INCLUDE_STACK_SIZE];
  795.     BufferedFile **include_stack_ptr;
  796.  
  797.     int ifdef_stack[IFDEF_STACK_SIZE];
  798.     int *ifdef_stack_ptr;
  799.  
  800.     /* included files enclosed with #ifndef MACRO */
  801.     int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
  802.     CachedInclude **cached_includes;
  803.     int nb_cached_includes;
  804.  
  805.     /* #pragma pack stack */
  806.     int pack_stack[PACK_STACK_SIZE];
  807.     int *pack_stack_ptr;
  808.     char **pragma_libs;
  809.     int nb_pragma_libs;
  810.  
  811.     /* inline functions are stored as token lists and compiled last
  812.        only if referenced */
  813.     struct InlineFunc **inline_fns;
  814.     int nb_inline_fns;
  815.  
  816.     /* sections */
  817.     Section **sections;
  818.     int nb_sections; /* number of sections, including first dummy section */
  819.  
  820.     Section **priv_sections;
  821.     int nb_priv_sections; /* number of private sections */
  822.  
  823.     /* got & plt handling */
  824.     Section *got;
  825.     Section *plt;
  826.     struct sym_attr *sym_attrs;
  827.     int nb_sym_attrs;
  828.     /* give the correspondance from symtab indexes to dynsym indexes */
  829.     int *symtab_to_dynsym;
  830.  
  831.     /* temporary dynamic symbol sections (for dll loading) */
  832.     Section *dynsymtab_section;
  833.     /* exported dynamic symbol section */
  834.     Section *dynsym;
  835.     /* copy of the gobal symtab_section variable */
  836.     Section *symtab;
  837.     /* tiny assembler state */
  838.     Sym *asm_labels;
  839.  
  840. #if defined (TCC_TARGET_PE) || defined (TCC_TARGET_MEOS)
  841.     /* PE info */
  842.     int pe_subsystem;
  843.     unsigned pe_file_align;
  844.     unsigned pe_stack_size;
  845. # ifdef TCC_TARGET_X86_64
  846.     Section *uw_pdata;
  847.     int uw_sym;
  848.     unsigned uw_offs;
  849. # endif
  850. #endif
  851.  
  852. #ifdef TCC_IS_NATIVE
  853.     const char *runtime_main;
  854.     /* for tcc_relocate */
  855.     void *runtime_mem;
  856. # ifdef HAVE_SELINUX
  857.     void *write_mem;
  858.     unsigned long mem_size;
  859. # endif
  860. #endif
  861.  
  862.     /* used by main and tcc_parse_args only */
  863.     char **files; /* files seen on command line */
  864.     int nb_files; /* number thereof */
  865.     int nb_libraries; /* number of libs thereof */
  866.     char *outfile; /* output filename */
  867.     char *option_m; /* only -m32/-m64 handled */
  868.     int print_search_dirs; /* option */
  869.     int option_r; /* option -r */
  870.     int option_C; /* option -C, keep comments when -E */
  871.     int do_bench; /* option -bench */
  872.     int gen_deps; /* option -MD  */
  873.     char *deps_outfile; /* option -MF */
  874.     ParseArgsState *parse_args_state;
  875. };
  876.  
  877. /* The current value can be: */
  878. #define VT_VALMASK   0x003f  /* mask for value location, register or: */
  879. #define VT_CONST     0x0030  /* constant in vc (must be first non register value) */
  880. #define VT_LLOCAL    0x0031  /* lvalue, offset on stack */
  881. #define VT_LOCAL     0x0032  /* offset on stack */
  882. #define VT_CMP       0x0033  /* the value is stored in processor flags (in vc) */
  883. #define VT_JMP       0x0034  /* value is the consequence of jmp true (even) */
  884. #define VT_JMPI      0x0035  /* value is the consequence of jmp false (odd) */
  885. #define VT_REF       0x0040  /* value is pointer to structure rather than address */
  886. #define VT_LVAL      0x0100  /* var is an lvalue */
  887. #define VT_SYM       0x0200  /* a symbol value is added */
  888. #define VT_MUSTCAST  0x0400  /* value must be casted to be correct (used for
  889.                                 char/short stored in integer registers) */
  890. #define VT_MUSTBOUND 0x0800  /* bound checking must be done before
  891.                                 dereferencing value */
  892. #define VT_BOUNDED   0x8000  /* value is bounded. The address of the
  893.                                 bounding function call point is in vc */
  894. #define VT_LVAL_BYTE     0x1000  /* lvalue is a byte */
  895. #define VT_LVAL_SHORT    0x2000  /* lvalue is a short */
  896. #define VT_LVAL_UNSIGNED 0x4000  /* lvalue is unsigned */
  897. #define VT_LVAL_TYPE     (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
  898.  
  899. /* types */
  900. #define VT_BTYPE       0x000f  /* mask for basic type */
  901. #define VT_INT              0  /* integer type */
  902. #define VT_BYTE             1  /* signed byte type */
  903. #define VT_SHORT            2  /* short type */
  904. #define VT_VOID             3  /* void type */
  905. #define VT_PTR              4  /* pointer */
  906. #define VT_ENUM             5  /* enum definition */
  907. #define VT_FUNC             6  /* function type */
  908. #define VT_STRUCT           7  /* struct/union definition */
  909. #define VT_FLOAT            8  /* IEEE float */
  910. #define VT_DOUBLE           9  /* IEEE double */
  911. #define VT_LDOUBLE         10  /* IEEE long double */
  912. #define VT_BOOL            11  /* ISOC99 boolean type */
  913. #define VT_LLONG           12  /* 64 bit integer */
  914. #define VT_LONG            13  /* long integer (NEVER USED as type, only
  915.                                   during parsing) */
  916. #define VT_QLONG           14  /* 128-bit integer. Only used for x86-64 ABI */
  917. #define VT_QFLOAT          15  /* 128-bit float. Only used for x86-64 ABI */
  918. #define VT_UNSIGNED    0x0010  /* unsigned type */
  919. #define VT_ARRAY       0x0020  /* array type (also has VT_PTR) */
  920. #define VT_BITFIELD    0x0040  /* bitfield modifier */
  921. #define VT_CONSTANT    0x0800  /* const modifier */
  922. #define VT_VOLATILE    0x1000  /* volatile modifier */
  923. #define VT_DEFSIGN     0x2000  /* signed type */
  924. #define VT_VLA     0x00020000  /* VLA type (also has VT_PTR and VT_ARRAY) */
  925.  
  926. /* storage */
  927. #define VT_EXTERN  0x00000080  /* extern definition */
  928. #define VT_STATIC  0x00000100  /* static variable */
  929. #define VT_TYPEDEF 0x00000200  /* typedef definition */
  930. #define VT_INLINE  0x00000400  /* inline definition */
  931. #define VT_IMPORT  0x00004000  /* win32: extern data imported from dll */
  932. #define VT_EXPORT  0x00008000  /* win32: data exported from dll */
  933. #define VT_WEAK    0x00010000  /* weak symbol */
  934. #define VT_TLS     0x00040000  /* thread-local storage */
  935. #define VT_VIS_SHIFT    19     /* shift for symbol visibility, overlapping
  936.                                   bitfield values, because bitfields never
  937.                                   have linkage and hence never have
  938.                                   visibility.  */
  939. #define VT_VIS_SIZE      2     /* We have four visibilities.  */
  940. #define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT)
  941.  
  942. #define VT_STRUCT_SHIFT 19     /* shift for bitfield shift values (max: 32 - 2*6) */
  943.  
  944.  
  945. /* type mask (except storage) */
  946. #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK)
  947. #define VT_TYPE (~(VT_STORAGE))
  948.  
  949. /* token values */
  950.  
  951. /* warning: the following compare tokens depend on i386 asm code */
  952. #define TOK_ULT 0x92
  953. #define TOK_UGE 0x93
  954. #define TOK_EQ  0x94
  955. #define TOK_NE  0x95
  956. #define TOK_ULE 0x96
  957. #define TOK_UGT 0x97
  958. #define TOK_Nset 0x98
  959. #define TOK_Nclear 0x99
  960. #define TOK_LT  0x9c
  961. #define TOK_GE  0x9d
  962. #define TOK_LE  0x9e
  963. #define TOK_GT  0x9f
  964.  
  965. #define TOK_LAND  0xa0
  966. #define TOK_LOR   0xa1
  967. #define TOK_DEC   0xa2
  968. #define TOK_MID   0xa3 /* inc/dec, to void constant */
  969. #define TOK_INC   0xa4
  970. #define TOK_UDIV  0xb0 /* unsigned division */
  971. #define TOK_UMOD  0xb1 /* unsigned modulo */
  972. #define TOK_PDIV  0xb2 /* fast division with undefined rounding for pointers */
  973.  
  974. /* tokens that carry values (in additional token string space / tokc) --> */
  975. #define TOK_CCHAR   0xb3 /* char constant in tokc */
  976. #define TOK_LCHAR   0xb4
  977. #define TOK_CINT    0xb5 /* number in tokc */
  978. #define TOK_CUINT   0xb6 /* unsigned int constant */
  979. #define TOK_CLLONG  0xb7 /* long long constant */
  980. #define TOK_CULLONG 0xb8 /* unsigned long long constant */
  981. #define TOK_STR     0xb9 /* pointer to string in tokc */
  982. #define TOK_LSTR    0xba
  983. #define TOK_CFLOAT  0xbb /* float constant */
  984. #define TOK_CDOUBLE 0xbc /* double constant */
  985. #define TOK_CLDOUBLE 0xbd /* long double constant */
  986. #define TOK_PPNUM   0xbe /* preprocessor number */
  987. #define TOK_PPSTR   0xbf /* preprocessor string */
  988. #define TOK_LINENUM 0xc0 /* line number info */
  989. /* <-- */
  990.  
  991. #define TOK_UMULL    0xc2 /* unsigned 32x32 -> 64 mul */
  992. #define TOK_ADDC1    0xc3 /* add with carry generation */
  993. #define TOK_ADDC2    0xc4 /* add with carry use */
  994. #define TOK_SUBC1    0xc5 /* add with carry generation */
  995. #define TOK_SUBC2    0xc6 /* add with carry use */
  996. #define TOK_ARROW    0xc7
  997. #define TOK_DOTS     0xc8 /* three dots */
  998. #define TOK_SHR      0xc9 /* unsigned shift right */
  999. #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
  1000. #define TOK_PLCHLDR  0xcb /* placeholder token as defined in C99 */
  1001. #define TOK_NOSUBST  0xcc /* means following token has already been pp'd */
  1002.  
  1003. #define TOK_SHL   0x01 /* shift left */
  1004. #define TOK_SAR   0x02 /* signed shift right */
  1005.  
  1006. /* assignement operators : normal operator or 0x80 */
  1007. #define TOK_A_MOD 0xa5
  1008. #define TOK_A_AND 0xa6
  1009. #define TOK_A_MUL 0xaa
  1010. #define TOK_A_ADD 0xab
  1011. #define TOK_A_SUB 0xad
  1012. #define TOK_A_DIV 0xaf
  1013. #define TOK_A_XOR 0xde
  1014. #define TOK_A_OR  0xfc
  1015. #define TOK_A_SHL 0x81
  1016. #define TOK_A_SAR 0x82
  1017.  
  1018. #ifndef offsetof
  1019. #define offsetof(type, field) ((size_t) &((type *)0)->field)
  1020. #endif
  1021.  
  1022. #ifndef countof
  1023. #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
  1024. #endif
  1025.  
  1026. #define TOK_EOF       (-1)  /* end of file */
  1027. #define TOK_LINEFEED  10    /* line feed */
  1028.  
  1029. /* all identificators and strings have token above that */
  1030. #define TOK_IDENT 256
  1031.  
  1032. #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
  1033. #define TOK_ASM_int TOK_INT
  1034. #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
  1035. #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
  1036. #define TOK_ASMDIR_LAST TOK_ASMDIR_section
  1037.  
  1038. #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
  1039. /* only used for i386 asm opcodes definitions */
  1040. #define DEF_BWL(x) \
  1041.  DEF(TOK_ASM_ ## x ## b, #x "b") \
  1042.  DEF(TOK_ASM_ ## x ## w, #x "w") \
  1043.  DEF(TOK_ASM_ ## x ## l, #x "l") \
  1044.  DEF(TOK_ASM_ ## x, #x)
  1045. #define DEF_WL(x) \
  1046.  DEF(TOK_ASM_ ## x ## w, #x "w") \
  1047.  DEF(TOK_ASM_ ## x ## l, #x "l") \
  1048.  DEF(TOK_ASM_ ## x, #x)
  1049. #ifdef TCC_TARGET_X86_64
  1050. # define DEF_BWLQ(x) \
  1051.  DEF(TOK_ASM_ ## x ## b, #x "b") \
  1052.  DEF(TOK_ASM_ ## x ## w, #x "w") \
  1053.  DEF(TOK_ASM_ ## x ## l, #x "l") \
  1054.  DEF(TOK_ASM_ ## x ## q, #x "q") \
  1055.  DEF(TOK_ASM_ ## x, #x)
  1056. # define DEF_WLQ(x) \
  1057.  DEF(TOK_ASM_ ## x ## w, #x "w") \
  1058.  DEF(TOK_ASM_ ## x ## l, #x "l") \
  1059.  DEF(TOK_ASM_ ## x ## q, #x "q") \
  1060.  DEF(TOK_ASM_ ## x, #x)
  1061. # define DEF_BWLX DEF_BWLQ
  1062. # define DEF_WLX DEF_WLQ
  1063. /* number of sizes + 1 */
  1064. # define NBWLX 5
  1065. #else
  1066. # define DEF_BWLX DEF_BWL
  1067. # define DEF_WLX DEF_WL
  1068. /* number of sizes + 1 */
  1069. # define NBWLX 4
  1070. #endif
  1071.  
  1072. #define DEF_FP1(x) \
  1073.  DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
  1074.  DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
  1075.  DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
  1076.  DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
  1077.  
  1078. #define DEF_FP(x) \
  1079.  DEF(TOK_ASM_ ## f ## x, "f" #x ) \
  1080.  DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
  1081.  DEF_FP1(x)
  1082.  
  1083. #define DEF_ASMTEST(x,suffix) \
  1084.  DEF_ASM(x ## o ## suffix) \
  1085.  DEF_ASM(x ## no ## suffix) \
  1086.  DEF_ASM(x ## b ## suffix) \
  1087.  DEF_ASM(x ## c ## suffix) \
  1088.  DEF_ASM(x ## nae ## suffix) \
  1089.  DEF_ASM(x ## nb ## suffix) \
  1090.  DEF_ASM(x ## nc ## suffix) \
  1091.  DEF_ASM(x ## ae ## suffix) \
  1092.  DEF_ASM(x ## e ## suffix) \
  1093.  DEF_ASM(x ## z ## suffix) \
  1094.  DEF_ASM(x ## ne ## suffix) \
  1095.  DEF_ASM(x ## nz ## suffix) \
  1096.  DEF_ASM(x ## be ## suffix) \
  1097.  DEF_ASM(x ## na ## suffix) \
  1098.  DEF_ASM(x ## nbe ## suffix) \
  1099.  DEF_ASM(x ## a ## suffix) \
  1100.  DEF_ASM(x ## s ## suffix) \
  1101.  DEF_ASM(x ## ns ## suffix) \
  1102.  DEF_ASM(x ## p ## suffix) \
  1103.  DEF_ASM(x ## pe ## suffix) \
  1104.  DEF_ASM(x ## np ## suffix) \
  1105.  DEF_ASM(x ## po ## suffix) \
  1106.  DEF_ASM(x ## l ## suffix) \
  1107.  DEF_ASM(x ## nge ## suffix) \
  1108.  DEF_ASM(x ## nl ## suffix) \
  1109.  DEF_ASM(x ## ge ## suffix) \
  1110.  DEF_ASM(x ## le ## suffix) \
  1111.  DEF_ASM(x ## ng ## suffix) \
  1112.  DEF_ASM(x ## nle ## suffix) \
  1113.  DEF_ASM(x ## g ## suffix)
  1114.  
  1115. #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
  1116.  
  1117. enum tcc_token {
  1118.     TOK_LAST = TOK_IDENT - 1
  1119. #define DEF(id, str) ,id
  1120. #include "tcctok.h"
  1121. #undef DEF
  1122. };
  1123.  
  1124. #define TOK_UIDENT TOK_DEFINE
  1125.  
  1126. /* space exlcuding newline */
  1127. static inline int is_space(int ch)
  1128. {
  1129.     return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
  1130. }
  1131.  
  1132. static inline int isid(int c)
  1133. {
  1134.     return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
  1135. }
  1136.  
  1137. static inline int isnum(int c)
  1138. {
  1139.     return c >= '0' && c <= '9';
  1140. }
  1141.  
  1142. static inline int isoct(int c)
  1143. {
  1144.     return c >= '0' && c <= '7';
  1145. }
  1146.  
  1147. static inline int toup(int c)
  1148. {
  1149.     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
  1150. }
  1151.  
  1152. #ifndef PUB_FUNC
  1153. # define PUB_FUNC
  1154. #endif
  1155.  
  1156. #ifdef ONE_SOURCE
  1157. #define ST_INLN static inline
  1158. #define ST_FUNC static
  1159. #define ST_DATA static
  1160. #else
  1161. #define ST_INLN
  1162. #define ST_FUNC
  1163. #define ST_DATA extern
  1164. #endif
  1165.  
  1166. /* ------------ libtcc.c ------------ */
  1167.  
  1168. /* use GNU C extensions */
  1169. ST_DATA int gnu_ext;
  1170. /* use Tiny C extensions */
  1171. ST_DATA int tcc_ext;
  1172. /* XXX: get rid of this ASAP */
  1173. ST_DATA struct TCCState *tcc_state;
  1174.  
  1175. #define AFF_PRINT_ERROR     0x0001 /* print error if file not found */
  1176. #define AFF_REFERENCED_DLL  0x0002 /* load a referenced dll from another dll */
  1177. #define AFF_PREPROCESS      0x0004 /* preprocess file */
  1178.  
  1179. /* public functions currently used by the tcc main function */
  1180. PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
  1181. PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
  1182. PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num);
  1183. PUB_FUNC char *tcc_basename(const char *name);
  1184. PUB_FUNC char *tcc_fileextension (const char *name);
  1185.  
  1186. #ifndef MEM_DEBUG
  1187. PUB_FUNC void tcc_free(void *ptr);
  1188. PUB_FUNC void *tcc_malloc(unsigned long size);
  1189. PUB_FUNC void *tcc_mallocz(unsigned long size);
  1190. PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
  1191. PUB_FUNC char *tcc_strdup(const char *str);
  1192. #else
  1193. #define tcc_free(ptr)           tcc_free_debug(ptr)
  1194. #define tcc_malloc(size)        tcc_malloc_debug(size, __FILE__, __LINE__)
  1195. #define tcc_mallocz(size)       tcc_mallocz_debug(size, __FILE__, __LINE__)
  1196. #define tcc_realloc(ptr,size)   tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
  1197. #define tcc_strdup(str)         tcc_strdup_debug(str, __FILE__, __LINE__)
  1198. PUB_FUNC void tcc_free_debug(void *ptr);
  1199. PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
  1200. PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
  1201. PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
  1202. PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
  1203. #endif
  1204.  
  1205. #define free(p) use_tcc_free(p)
  1206. #define malloc(s) use_tcc_malloc(s)
  1207. #define realloc(p, s) use_tcc_realloc(p, s)
  1208. #undef strdup
  1209. #define strdup(s) use_tcc_strdup(s)
  1210. PUB_FUNC void tcc_memstats(int bench);
  1211. PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
  1212. PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
  1213. PUB_FUNC void tcc_warning(const char *fmt, ...);
  1214.  
  1215. /* other utilities */
  1216. ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data);
  1217. ST_FUNC void dynarray_reset(void *pp, int *n);
  1218. ST_FUNC void cstr_ccat(CString *cstr, int ch);
  1219. ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
  1220. ST_FUNC void cstr_wccat(CString *cstr, int ch);
  1221. ST_FUNC void cstr_new(CString *cstr);
  1222. ST_FUNC void cstr_free(CString *cstr);
  1223. ST_FUNC void cstr_reset(CString *cstr);
  1224.  
  1225. ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
  1226. ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
  1227. ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
  1228. ST_FUNC void section_reserve(Section *sec, unsigned long size);
  1229. ST_FUNC Section *find_section(TCCState *s1, const char *name);
  1230.  
  1231. ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
  1232. ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
  1233. ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
  1234. ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
  1235.  
  1236. ST_INLN void sym_free(Sym *sym);
  1237. ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c);
  1238. ST_FUNC Sym *sym_find2(Sym *s, int v);
  1239. ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
  1240. ST_FUNC void sym_pop(Sym **ptop, Sym *b);
  1241. ST_INLN Sym *struct_find(int v);
  1242. ST_INLN Sym *sym_find(int v);
  1243. ST_FUNC Sym *global_identifier_push(int v, int t, int c);
  1244.  
  1245. ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
  1246. ST_FUNC int tcc_open(TCCState *s1, const char *filename);
  1247. ST_FUNC void tcc_close(void);
  1248.  
  1249. ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype);
  1250. ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
  1251.  
  1252. #if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS)
  1253. ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
  1254. #endif
  1255.  
  1256. ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
  1257. PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
  1258.  
  1259. PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time);
  1260. PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv);
  1261. PUB_FUNC void tcc_set_environment(TCCState *s);
  1262.  
  1263. /* ------------ tccpp.c ------------ */
  1264.  
  1265. ST_DATA struct BufferedFile *file;
  1266. ST_DATA int ch, tok;
  1267. ST_DATA CValue tokc;
  1268. ST_DATA const int *macro_ptr;
  1269. ST_DATA int parse_flags;
  1270. ST_DATA int tok_flags;
  1271. ST_DATA CString tokcstr; /* current parsed string, if any */
  1272.  
  1273. /* display benchmark infos */
  1274. ST_DATA int total_lines;
  1275. ST_DATA int total_bytes;
  1276. ST_DATA int tok_ident;
  1277. ST_DATA TokenSym **table_ident;
  1278.  
  1279. #define TOK_FLAG_BOL   0x0001 /* beginning of line before */
  1280. #define TOK_FLAG_BOF   0x0002 /* beginning of file before */
  1281. #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
  1282. #define TOK_FLAG_EOF   0x0008 /* end of file */
  1283.  
  1284. #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
  1285. #define PARSE_FLAG_TOK_NUM    0x0002 /* return numbers instead of TOK_PPNUM */
  1286. #define PARSE_FLAG_LINEFEED   0x0004 /* line feed is returned as a
  1287.                                         token. line feed is also
  1288.                                         returned at eof */
  1289. #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
  1290. #define PARSE_FLAG_SPACES     0x0010 /* next() returns space tokens (for -E) */
  1291. #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
  1292. #define PARSE_FLAG_TOK_STR    0x0040 /* return parsed strings instead of TOK_PPSTR */
  1293.  
  1294. ST_FUNC TokenSym *tok_alloc(const char *str, int len);
  1295. ST_FUNC const char *get_tok_str(int v, CValue *cv);
  1296. ST_FUNC void begin_macro(TokenString *str, int alloc);
  1297. ST_FUNC void end_macro(void);
  1298. ST_FUNC void save_parse_state(ParseState *s);
  1299. ST_FUNC void restore_parse_state(ParseState *s);
  1300. ST_INLN void tok_str_new(TokenString *s);
  1301. ST_FUNC void tok_str_free(int *str);
  1302. ST_FUNC void tok_str_add(TokenString *s, int t);
  1303. ST_FUNC void tok_str_add_tok(TokenString *s);
  1304. ST_INLN void define_push(int v, int macro_type, TokenString *str, Sym *first_arg);
  1305. ST_FUNC void define_undef(Sym *s);
  1306. ST_INLN Sym *define_find(int v);
  1307. ST_FUNC void free_defines(Sym *b);
  1308. ST_FUNC void print_defines(void);
  1309. ST_FUNC Sym *label_find(int v);
  1310. ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
  1311. ST_FUNC void label_pop(Sym **ptop, Sym *slast);
  1312. ST_FUNC void parse_define(void);
  1313. ST_FUNC void preprocess(int is_bof);
  1314. ST_FUNC void next_nomacro(void);
  1315. ST_FUNC void next(void);
  1316. ST_INLN void unget_tok(int last_tok);
  1317. ST_FUNC void preprocess_init(TCCState *s1);
  1318. ST_FUNC void preprocess_new(void);
  1319. ST_FUNC void preprocess_delete(void);
  1320. ST_FUNC int tcc_preprocess(TCCState *s1);
  1321. ST_FUNC void skip(int c);
  1322. ST_FUNC NORETURN void expect(const char *msg);
  1323. ST_FUNC char *trimfront(char *p);
  1324. ST_FUNC char *trimback(char *a, char *e);
  1325.  
  1326. /* ------------ tccgen.c ------------ */
  1327.  
  1328. ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
  1329. ST_DATA Section *cur_text_section; /* current section where function code is generated */
  1330. #ifdef CONFIG_TCC_ASM
  1331. ST_DATA Section *last_text_section; /* to handle .previous asm directive */
  1332. #endif
  1333. #ifdef CONFIG_TCC_BCHECK
  1334. /* bound check related sections */
  1335. ST_DATA Section *bounds_section; /* contains global data bound description */
  1336. ST_DATA Section *lbounds_section; /* contains local data bound description */
  1337. #endif
  1338. /* symbol sections */
  1339. ST_DATA Section *symtab_section, *strtab_section;
  1340. /* debug sections */
  1341. ST_DATA Section *stab_section, *stabstr_section;
  1342.  
  1343. #define SYM_POOL_NB (8192 / sizeof(Sym))
  1344. ST_DATA Sym *sym_free_first;
  1345. ST_DATA void **sym_pools;
  1346. ST_DATA int nb_sym_pools;
  1347.  
  1348. ST_DATA Sym *global_stack;
  1349. ST_DATA Sym *local_stack;
  1350. ST_DATA Sym *local_label_stack;
  1351. ST_DATA Sym *global_label_stack;
  1352. ST_DATA Sym *define_stack;
  1353. ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
  1354. ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
  1355. #define vstack  (__vstack + 1)
  1356. ST_DATA int rsym, anon_sym, ind, loc;
  1357.  
  1358. ST_DATA int const_wanted; /* true if constant wanted */
  1359. ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
  1360. ST_DATA int global_expr;  /* true if compound literals must be allocated globally (used during initializers parsing */
  1361. ST_DATA CType func_vt; /* current function return type (used by return instruction) */
  1362. ST_DATA int func_var; /* true if current function is variadic */
  1363. ST_DATA int func_vc;
  1364. ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
  1365. ST_DATA const char *funcname;
  1366.  
  1367. ST_FUNC void check_vstack(void);
  1368. ST_INLN int is_float(int t);
  1369. ST_FUNC int ieee_finite(double d);
  1370. ST_FUNC void test_lvalue(void);
  1371. ST_FUNC void swap(int *p, int *q);
  1372. ST_FUNC void vpushi(int v);
  1373. ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
  1374. ST_FUNC void vset(CType *type, int r, int v);
  1375. ST_FUNC void vswap(void);
  1376. ST_FUNC void vpush_global_sym(CType *type, int v);
  1377. ST_FUNC void vrote(SValue *e, int n);
  1378. ST_FUNC void vrott(int n);
  1379. ST_FUNC void vrotb(int n);
  1380. #ifdef TCC_TARGET_ARM
  1381. ST_FUNC int get_reg_ex(int rc, int rc2);
  1382. ST_FUNC void lexpand_nr(void);
  1383. #endif
  1384. ST_FUNC void vpushv(SValue *v);
  1385. ST_FUNC void save_reg(int r);
  1386. ST_FUNC int get_reg(int rc);
  1387. ST_FUNC void save_regs(int n);
  1388. ST_FUNC void gaddrof(void);
  1389. ST_FUNC int gv(int rc);
  1390. ST_FUNC void gv2(int rc1, int rc2);
  1391. ST_FUNC void vpop(void);
  1392. ST_FUNC void gen_op(int op);
  1393. ST_FUNC int type_size(CType *type, int *a);
  1394. ST_FUNC void mk_pointer(CType *type);
  1395. ST_FUNC void vstore(void);
  1396. ST_FUNC void inc(int post, int c);
  1397. ST_FUNC void parse_asm_str(CString *astr);
  1398. ST_FUNC int lvalue_type(int t);
  1399. ST_FUNC void indir(void);
  1400. ST_FUNC void unary(void);
  1401. ST_FUNC void expr_prod(void);
  1402. ST_FUNC void expr_sum(void);
  1403. ST_FUNC void gexpr(void);
  1404. ST_FUNC int expr_const(void);
  1405. ST_FUNC void gen_inline_functions(void);
  1406. ST_FUNC void decl(int l);
  1407. #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
  1408. ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
  1409. #endif
  1410. #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
  1411. ST_FUNC int classify_x86_64_va_arg(CType *ty);
  1412. #endif
  1413.  
  1414. /* ------------ tccelf.c ------------ */
  1415.  
  1416. #define TCC_OUTPUT_FORMAT_ELF    0 /* default output format: ELF */
  1417. #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
  1418. #define TCC_OUTPUT_FORMAT_COFF   2 /* COFF */
  1419.  
  1420. #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
  1421.  
  1422. typedef struct {
  1423.     unsigned int n_strx;         /* index into string table of name */
  1424.     unsigned char n_type;         /* type of symbol */
  1425.     unsigned char n_other;        /* misc info (usually empty) */
  1426.     unsigned short n_desc;        /* description field */
  1427.     unsigned int n_value;        /* value of symbol */
  1428. } Stab_Sym;
  1429.  
  1430. ST_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);
  1431.  
  1432. ST_FUNC int put_elf_str(Section *s, const char *sym);
  1433. ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
  1434. ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
  1435. ST_FUNC int find_elf_sym(Section *s, const char *name);
  1436. ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
  1437. ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
  1438.  
  1439. ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
  1440. ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
  1441. ST_FUNC void put_stabn(int type, int other, int desc, int value);
  1442. ST_FUNC void put_stabd(int type, int other, int desc);
  1443.  
  1444. ST_FUNC void relocate_common_syms(void);
  1445. ST_FUNC void relocate_syms(TCCState *s1, int do_resolve);
  1446. ST_FUNC void relocate_section(TCCState *s1, Section *s);
  1447. ST_FUNC void relocate_plt(TCCState *s1);
  1448.  
  1449. ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
  1450. ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
  1451. ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
  1452. ST_FUNC void tcc_add_bcheck(TCCState *s1);
  1453.  
  1454. ST_FUNC void build_got_entries(TCCState *s1);
  1455. ST_FUNC void tcc_add_runtime(TCCState *s1);
  1456.  
  1457. ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
  1458. #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE || defined TCC_TARGET_MEOS
  1459. ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
  1460. #endif
  1461.  
  1462. #ifndef TCC_TARGET_PE
  1463. ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
  1464. ST_FUNC int tcc_load_ldscript(TCCState *s1);
  1465. ST_FUNC uint8_t *parse_comment(uint8_t *p, int skip);
  1466. ST_FUNC void minp(void);
  1467. ST_INLN void inp(void);
  1468. ST_FUNC int handle_eob(void);
  1469. #endif
  1470.  
  1471. /* ------------ xxx-gen.c ------------ */
  1472.  
  1473. ST_DATA const int reg_classes[NB_REGS];
  1474.  
  1475. ST_FUNC void gsym_addr(int t, int a);
  1476. ST_FUNC void gsym(int t);
  1477. ST_FUNC void load(int r, SValue *sv);
  1478. ST_FUNC void store(int r, SValue *v);
  1479. ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
  1480. ST_FUNC void gfunc_call(int nb_args);
  1481. ST_FUNC void gfunc_prolog(CType *func_type);
  1482. ST_FUNC void gfunc_epilog(void);
  1483. ST_FUNC int gjmp(int t);
  1484. ST_FUNC void gjmp_addr(int a);
  1485. ST_FUNC int gtst(int inv, int t);
  1486. ST_FUNC void gen_opi(int op);
  1487. ST_FUNC void gen_opf(int op);
  1488. ST_FUNC void gen_cvt_ftoi(int t);
  1489. ST_FUNC void gen_cvt_ftof(int t);
  1490. ST_FUNC void ggoto(void);
  1491. #ifndef TCC_TARGET_C67
  1492. ST_FUNC void o(unsigned int c);
  1493. #endif
  1494. #ifndef TCC_TARGET_ARM
  1495. ST_FUNC void gen_cvt_itof(int t);
  1496. #endif
  1497. ST_FUNC void gen_vla_sp_save(int addr);
  1498. ST_FUNC void gen_vla_sp_restore(int addr);
  1499. ST_FUNC void gen_vla_alloc(CType *type, int align);
  1500.  
  1501. /* ------------ i386-gen.c ------------ */
  1502. #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
  1503. ST_FUNC void g(int c);
  1504. ST_FUNC int oad(int c, int s);
  1505. ST_FUNC void gen_le16(int c);
  1506. ST_FUNC void gen_le32(int c);
  1507. ST_FUNC void gen_addr32(int r, Sym *sym, int c);
  1508. ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
  1509. #endif
  1510.  
  1511. #ifdef CONFIG_TCC_BCHECK
  1512. ST_FUNC void gen_bounded_ptr_add(void);
  1513. ST_FUNC void gen_bounded_ptr_deref(void);
  1514. #endif
  1515.  
  1516. /* ------------ x86_64-gen.c ------------ */
  1517. #ifdef TCC_TARGET_X86_64
  1518. ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
  1519. ST_FUNC void gen_opl(int op);
  1520. #endif
  1521.  
  1522. /* ------------ arm-gen.c ------------ */
  1523. #ifdef TCC_TARGET_ARM
  1524. #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
  1525. ST_FUNC char *default_elfinterp(struct TCCState *s);
  1526. #endif
  1527. ST_FUNC void arm_init(struct TCCState *s);
  1528. ST_FUNC uint32_t encbranch(int pos, int addr, int fail);
  1529. ST_FUNC void gen_cvt_itof1(int t);
  1530. #endif
  1531.  
  1532. /* ------------ arm64-gen.c ------------ */
  1533. #ifdef TCC_TARGET_ARM64
  1534. ST_FUNC void gen_cvt_sxtw(void);
  1535. ST_FUNC void gen_opl(int op);
  1536. ST_FUNC void greturn(void);
  1537. ST_FUNC void gen_va_start(void);
  1538. ST_FUNC void gen_va_arg(CType *t);
  1539. ST_FUNC void gen_clear_cache(void);
  1540. #endif
  1541.  
  1542. /* ------------ c67-gen.c ------------ */
  1543. #ifdef TCC_TARGET_C67
  1544. #endif
  1545.  
  1546. /* ------------ tcccoff.c ------------ */
  1547.  
  1548. #ifdef TCC_TARGET_COFF
  1549. ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
  1550. ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
  1551. #endif
  1552.  
  1553. /* ------------ tccasm.c ------------ */
  1554. ST_FUNC void asm_instr(void);
  1555. ST_FUNC void asm_global_instr(void);
  1556. #ifdef CONFIG_TCC_ASM
  1557. ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
  1558. ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
  1559. ST_FUNC int asm_int_expr(TCCState *s1);
  1560. ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
  1561. /* ------------ i386-asm.c ------------ */
  1562. ST_FUNC void gen_expr32(ExprValue *pe);
  1563. ST_FUNC void asm_opcode(TCCState *s1, int opcode);
  1564. ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
  1565. ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
  1566. ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
  1567. ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
  1568. #endif
  1569.  
  1570. /* ------------ tccme.c -------------- */
  1571. #if defined(TCC_TARGET_MEOS)
  1572. int tcc_output_me(TCCState* s1,const char *filename);
  1573. #endif
  1574. /* ------------ tccpe.c -------------- */
  1575. #if defined(TCC_TARGET_PE) || defined(TCC_TARGET_MEOS)
  1576. ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
  1577. ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
  1578. ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
  1579. ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
  1580. #ifdef TCC_TARGET_X86_64
  1581. ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
  1582. #endif
  1583. /* symbol properties stored in Elf32_Sym->st_other */
  1584. # define ST_PE_EXPORT 0x10
  1585. # define ST_PE_IMPORT 0x20
  1586. # define ST_PE_STDCALL 0x40
  1587. #endif
  1588.  
  1589. /* ------------ tccrun.c ----------------- */
  1590. #ifdef TCC_IS_NATIVE
  1591. #ifdef CONFIG_TCC_STATIC
  1592. #define RTLD_LAZY       0x001
  1593. #define RTLD_NOW        0x002
  1594. #define RTLD_GLOBAL     0x100
  1595. #define RTLD_DEFAULT    NULL
  1596. /* dummy function for profiling */
  1597. ST_FUNC void *dlopen(const char *filename, int flag);
  1598. ST_FUNC void dlclose(void *p);
  1599. ST_FUNC const char *dlerror(void);
  1600. ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
  1601. #elif !defined _WIN32
  1602. ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
  1603. #endif
  1604.  
  1605. #ifdef CONFIG_TCC_BACKTRACE
  1606. ST_DATA int rt_num_callers;
  1607. ST_DATA const char **rt_bound_error_msg;
  1608. ST_DATA void *rt_prog_main;
  1609. ST_FUNC void tcc_set_num_callers(int n);
  1610. #endif
  1611. #endif
  1612.  
  1613. /********************************************************/
  1614. #undef ST_DATA
  1615. #ifdef ONE_SOURCE
  1616. #define ST_DATA static
  1617. #else
  1618. #define ST_DATA
  1619. #endif
  1620. /********************************************************/
  1621. #endif /* _TCC_H */
  1622.