dce: Don't force unreachable case label to be live
[tinycc.git] / tcctok.h
blobe3ca7169d9a5cd90dd4efb652071ca809b38c700
1 /*********************************************************************/
2 /* keywords */
3 DEF(TOK_INT, "int")
4 DEF(TOK_VOID, "void")
5 DEF(TOK_CHAR, "char")
6 DEF(TOK_IF, "if")
7 DEF(TOK_ELSE, "else")
8 DEF(TOK_WHILE, "while")
9 DEF(TOK_BREAK, "break")
10 DEF(TOK_RETURN, "return")
11 DEF(TOK_FOR, "for")
12 DEF(TOK_EXTERN, "extern")
13 DEF(TOK_STATIC, "static")
14 DEF(TOK_UNSIGNED, "unsigned")
15 DEF(TOK_GOTO, "goto")
16 DEF(TOK_DO, "do")
17 DEF(TOK_CONTINUE, "continue")
18 DEF(TOK_SWITCH, "switch")
19 DEF(TOK_CASE, "case")
21 DEF(TOK__Atomic, "_Atomic")
22 DEF(TOK_CONST1, "const")
23 DEF(TOK_CONST2, "__const") /* gcc keyword */
24 DEF(TOK_CONST3, "__const__") /* gcc keyword */
25 DEF(TOK_VOLATILE1, "volatile")
26 DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */
27 DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */
28 DEF(TOK_LONG, "long")
29 DEF(TOK_REGISTER, "register")
30 DEF(TOK_SIGNED1, "signed")
31 DEF(TOK_SIGNED2, "__signed") /* gcc keyword */
32 DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */
33 DEF(TOK_AUTO, "auto")
34 DEF(TOK_INLINE1, "inline")
35 DEF(TOK_INLINE2, "__inline") /* gcc keyword */
36 DEF(TOK_INLINE3, "__inline__") /* gcc keyword */
37 DEF(TOK_RESTRICT1, "restrict")
38 DEF(TOK_RESTRICT2, "__restrict")
39 DEF(TOK_RESTRICT3, "__restrict__")
40 DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */
42 DEF(TOK_GENERIC, "_Generic")
43 DEF(TOK_STATIC_ASSERT, "_Static_assert")
45 DEF(TOK_FLOAT, "float")
46 DEF(TOK_DOUBLE, "double")
47 DEF(TOK_BOOL, "_Bool")
48 DEF(TOK_SHORT, "short")
49 DEF(TOK_STRUCT, "struct")
50 DEF(TOK_UNION, "union")
51 DEF(TOK_TYPEDEF, "typedef")
52 DEF(TOK_DEFAULT, "default")
53 DEF(TOK_ENUM, "enum")
54 DEF(TOK_SIZEOF, "sizeof")
55 DEF(TOK_ATTRIBUTE1, "__attribute")
56 DEF(TOK_ATTRIBUTE2, "__attribute__")
57 DEF(TOK_ALIGNOF1, "__alignof")
58 DEF(TOK_ALIGNOF2, "__alignof__")
59 DEF(TOK_ALIGNOF3, "_Alignof")
60 DEF(TOK_ALIGNAS, "_Alignas")
61 DEF(TOK_TYPEOF1, "typeof")
62 DEF(TOK_TYPEOF2, "__typeof")
63 DEF(TOK_TYPEOF3, "__typeof__")
64 DEF(TOK_LABEL, "__label__")
65 DEF(TOK_ASM1, "asm")
66 DEF(TOK_ASM2, "__asm")
67 DEF(TOK_ASM3, "__asm__")
69 #ifdef TCC_TARGET_ARM64
70 DEF(TOK_UINT128, "__uint128_t")
71 #endif
73 /*********************************************************************/
74 /* the following are not keywords. They are included to ease parsing */
75 /* preprocessor only */
76 DEF(TOK_DEFINE, "define")
77 DEF(TOK_INCLUDE, "include")
78 DEF(TOK_INCLUDE_NEXT, "include_next")
79 DEF(TOK_IFDEF, "ifdef")
80 DEF(TOK_IFNDEF, "ifndef")
81 DEF(TOK_ELIF, "elif")
82 DEF(TOK_ENDIF, "endif")
83 DEF(TOK_DEFINED, "defined")
84 DEF(TOK_UNDEF, "undef")
85 DEF(TOK_ERROR, "error")
86 DEF(TOK_WARNING, "warning")
87 DEF(TOK_LINE, "line")
88 DEF(TOK_PRAGMA, "pragma")
89 DEF(TOK___LINE__, "__LINE__")
90 DEF(TOK___FILE__, "__FILE__")
91 DEF(TOK___DATE__, "__DATE__")
92 DEF(TOK___TIME__, "__TIME__")
93 DEF(TOK___FUNCTION__, "__FUNCTION__")
94 DEF(TOK___VA_ARGS__, "__VA_ARGS__")
95 DEF(TOK___COUNTER__, "__COUNTER__")
96 DEF(TOK___HAS_INCLUDE, "__has_include")
97 DEF(TOK___HAS_INCLUDE_NEXT, "__has_include_next")
99 /* special identifiers */
100 DEF(TOK___FUNC__, "__func__")
102 /* special floating point values */
103 DEF(TOK___NAN__, "__nan__")
104 DEF(TOK___SNAN__, "__snan__")
105 DEF(TOK___INF__, "__inf__")
106 #if defined TCC_TARGET_X86_64
107 DEF(TOK___mzerosf, "__mzerosf") /* -0.0 */
108 DEF(TOK___mzerodf, "__mzerodf") /* -0.0 */
109 #endif
111 /* attribute identifiers */
112 /* XXX: handle all tokens generically since speed is not critical */
113 DEF(TOK_SECTION1, "section")
114 DEF(TOK_SECTION2, "__section__")
115 DEF(TOK_ALIGNED1, "aligned")
116 DEF(TOK_ALIGNED2, "__aligned__")
117 DEF(TOK_PACKED1, "packed")
118 DEF(TOK_PACKED2, "__packed__")
119 DEF(TOK_WEAK1, "weak")
120 DEF(TOK_WEAK2, "__weak__")
121 DEF(TOK_ALIAS1, "alias")
122 DEF(TOK_ALIAS2, "__alias__")
123 DEF(TOK_UNUSED1, "unused")
124 DEF(TOK_UNUSED2, "__unused__")
125 DEF(TOK_CDECL1, "cdecl")
126 DEF(TOK_CDECL2, "__cdecl")
127 DEF(TOK_CDECL3, "__cdecl__")
128 DEF(TOK_STDCALL1, "stdcall")
129 DEF(TOK_STDCALL2, "__stdcall")
130 DEF(TOK_STDCALL3, "__stdcall__")
131 DEF(TOK_FASTCALL1, "fastcall")
132 DEF(TOK_FASTCALL2, "__fastcall")
133 DEF(TOK_FASTCALL3, "__fastcall__")
134 DEF(TOK_REGPARM1, "regparm")
135 DEF(TOK_REGPARM2, "__regparm__")
136 DEF(TOK_CLEANUP1, "cleanup")
137 DEF(TOK_CLEANUP2, "__cleanup__")
138 DEF(TOK_CONSTRUCTOR1, "constructor")
139 DEF(TOK_CONSTRUCTOR2, "__constructor__")
140 DEF(TOK_DESTRUCTOR1, "destructor")
141 DEF(TOK_DESTRUCTOR2, "__destructor__")
142 DEF(TOK_ALWAYS_INLINE1, "always_inline")
143 DEF(TOK_ALWAYS_INLINE2, "__always_inline__")
145 DEF(TOK_MODE, "__mode__")
146 DEF(TOK_MODE_QI, "__QI__")
147 DEF(TOK_MODE_DI, "__DI__")
148 DEF(TOK_MODE_HI, "__HI__")
149 DEF(TOK_MODE_SI, "__SI__")
150 DEF(TOK_MODE_word, "__word__")
152 DEF(TOK_DLLEXPORT, "dllexport")
153 DEF(TOK_DLLIMPORT, "dllimport")
154 DEF(TOK_NODECORATE, "nodecorate")
155 DEF(TOK_NORETURN1, "noreturn")
156 DEF(TOK_NORETURN2, "__noreturn__")
157 DEF(TOK_NORETURN3, "_Noreturn")
158 DEF(TOK_VISIBILITY1, "visibility")
159 DEF(TOK_VISIBILITY2, "__visibility__")
161 DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p")
162 DEF(TOK_builtin_choose_expr, "__builtin_choose_expr")
163 DEF(TOK_builtin_constant_p, "__builtin_constant_p")
164 DEF(TOK_builtin_frame_address, "__builtin_frame_address")
165 DEF(TOK_builtin_return_address, "__builtin_return_address")
166 DEF(TOK_builtin_expect, "__builtin_expect")
167 /*DEF(TOK_builtin_va_list, "__builtin_va_list")*/
168 #if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
169 DEF(TOK_builtin_va_start, "__builtin_va_start")
170 #elif defined TCC_TARGET_X86_64
171 DEF(TOK_builtin_va_arg_types, "__builtin_va_arg_types")
172 #elif defined TCC_TARGET_ARM64
173 DEF(TOK_builtin_va_start, "__builtin_va_start")
174 DEF(TOK_builtin_va_arg, "__builtin_va_arg")
175 #elif defined TCC_TARGET_RISCV64
176 DEF(TOK_builtin_va_start, "__builtin_va_start")
177 #endif
179 /* atomic operations */
180 #define DEF_ATOMIC(ID) DEF(TOK_##__##ID, "__"#ID)
181 DEF_ATOMIC(atomic_store)
182 DEF_ATOMIC(atomic_load)
183 DEF_ATOMIC(atomic_exchange)
184 DEF_ATOMIC(atomic_compare_exchange)
185 DEF_ATOMIC(atomic_fetch_add)
186 DEF_ATOMIC(atomic_fetch_sub)
187 DEF_ATOMIC(atomic_fetch_or)
188 DEF_ATOMIC(atomic_fetch_xor)
189 DEF_ATOMIC(atomic_fetch_and)
191 /* pragma */
192 DEF(TOK_pack, "pack")
193 #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_X86_64) && \
194 !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64)
195 /* already defined for assembler */
196 DEF(TOK_ASM_push, "push")
197 DEF(TOK_ASM_pop, "pop")
198 #endif
199 DEF(TOK_comment, "comment")
200 DEF(TOK_lib, "lib")
201 DEF(TOK_push_macro, "push_macro")
202 DEF(TOK_pop_macro, "pop_macro")
203 DEF(TOK_once, "once")
204 DEF(TOK_option, "option")
206 /* builtin functions or variables */
207 #ifndef TCC_ARM_EABI
208 DEF(TOK_memcpy, "memcpy")
209 DEF(TOK_memmove, "memmove")
210 DEF(TOK_memset, "memset")
211 DEF(TOK___divdi3, "__divdi3")
212 DEF(TOK___moddi3, "__moddi3")
213 DEF(TOK___udivdi3, "__udivdi3")
214 DEF(TOK___umoddi3, "__umoddi3")
215 DEF(TOK___ashrdi3, "__ashrdi3")
216 DEF(TOK___lshrdi3, "__lshrdi3")
217 DEF(TOK___ashldi3, "__ashldi3")
218 DEF(TOK___floatundisf, "__floatundisf")
219 DEF(TOK___floatundidf, "__floatundidf")
220 # ifndef TCC_ARM_VFP
221 DEF(TOK___floatundixf, "__floatundixf")
222 DEF(TOK___fixunsxfdi, "__fixunsxfdi")
223 # endif
224 DEF(TOK___fixunssfdi, "__fixunssfdi")
225 DEF(TOK___fixunsdfdi, "__fixunsdfdi")
226 #endif
228 #if defined TCC_TARGET_ARM
229 # ifdef TCC_ARM_EABI
230 DEF(TOK_memcpy, "__aeabi_memcpy")
231 DEF(TOK_memmove, "__aeabi_memmove")
232 DEF(TOK_memmove4, "__aeabi_memmove4")
233 DEF(TOK_memmove8, "__aeabi_memmove8")
234 DEF(TOK_memset, "__aeabi_memset")
235 DEF(TOK___aeabi_ldivmod, "__aeabi_ldivmod")
236 DEF(TOK___aeabi_uldivmod, "__aeabi_uldivmod")
237 DEF(TOK___aeabi_idivmod, "__aeabi_idivmod")
238 DEF(TOK___aeabi_uidivmod, "__aeabi_uidivmod")
239 DEF(TOK___divsi3, "__aeabi_idiv")
240 DEF(TOK___udivsi3, "__aeabi_uidiv")
241 DEF(TOK___floatdisf, "__aeabi_l2f")
242 DEF(TOK___floatdidf, "__aeabi_l2d")
243 DEF(TOK___fixsfdi, "__aeabi_f2lz")
244 DEF(TOK___fixdfdi, "__aeabi_d2lz")
245 DEF(TOK___ashrdi3, "__aeabi_lasr")
246 DEF(TOK___lshrdi3, "__aeabi_llsr")
247 DEF(TOK___ashldi3, "__aeabi_llsl")
248 DEF(TOK___floatundisf, "__aeabi_ul2f")
249 DEF(TOK___floatundidf, "__aeabi_ul2d")
250 DEF(TOK___fixunssfdi, "__aeabi_f2ulz")
251 DEF(TOK___fixunsdfdi, "__aeabi_d2ulz")
252 # else
253 DEF(TOK___modsi3, "__modsi3")
254 DEF(TOK___umodsi3, "__umodsi3")
255 DEF(TOK___divsi3, "__divsi3")
256 DEF(TOK___udivsi3, "__udivsi3")
257 DEF(TOK___floatdisf, "__floatdisf")
258 DEF(TOK___floatdidf, "__floatdidf")
259 # ifndef TCC_ARM_VFP
260 DEF(TOK___floatdixf, "__floatdixf")
261 DEF(TOK___fixunssfsi, "__fixunssfsi")
262 DEF(TOK___fixunsdfsi, "__fixunsdfsi")
263 DEF(TOK___fixunsxfsi, "__fixunsxfsi")
264 DEF(TOK___fixxfdi, "__fixxfdi")
265 # endif
266 DEF(TOK___fixsfdi, "__fixsfdi")
267 DEF(TOK___fixdfdi, "__fixdfdi")
268 # endif
269 #endif
271 #if defined TCC_TARGET_C67
272 DEF(TOK__divi, "_divi")
273 DEF(TOK__divu, "_divu")
274 DEF(TOK__divf, "_divf")
275 DEF(TOK__divd, "_divd")
276 DEF(TOK__remi, "_remi")
277 DEF(TOK__remu, "_remu")
278 #endif
280 #if defined TCC_TARGET_I386
281 DEF(TOK___fixsfdi, "__fixsfdi")
282 DEF(TOK___fixdfdi, "__fixdfdi")
283 DEF(TOK___fixxfdi, "__fixxfdi")
284 #endif
286 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
287 DEF(TOK_alloca, "alloca")
288 #endif
290 #if defined TCC_TARGET_PE
291 DEF(TOK___chkstk, "__chkstk")
292 #endif
293 #if defined TCC_TARGET_ARM64 || defined TCC_TARGET_RISCV64
294 DEF(TOK___arm64_clear_cache, "__arm64_clear_cache")
295 DEF(TOK___addtf3, "__addtf3")
296 DEF(TOK___subtf3, "__subtf3")
297 DEF(TOK___multf3, "__multf3")
298 DEF(TOK___divtf3, "__divtf3")
299 DEF(TOK___extendsftf2, "__extendsftf2")
300 DEF(TOK___extenddftf2, "__extenddftf2")
301 DEF(TOK___trunctfsf2, "__trunctfsf2")
302 DEF(TOK___trunctfdf2, "__trunctfdf2")
303 DEF(TOK___fixtfsi, "__fixtfsi")
304 DEF(TOK___fixtfdi, "__fixtfdi")
305 DEF(TOK___fixunstfsi, "__fixunstfsi")
306 DEF(TOK___fixunstfdi, "__fixunstfdi")
307 DEF(TOK___floatsitf, "__floatsitf")
308 DEF(TOK___floatditf, "__floatditf")
309 DEF(TOK___floatunsitf, "__floatunsitf")
310 DEF(TOK___floatunditf, "__floatunditf")
311 DEF(TOK___eqtf2, "__eqtf2")
312 DEF(TOK___netf2, "__netf2")
313 DEF(TOK___lttf2, "__lttf2")
314 DEF(TOK___letf2, "__letf2")
315 DEF(TOK___gttf2, "__gttf2")
316 DEF(TOK___getf2, "__getf2")
317 #endif
319 /* bound checking symbols */
320 #ifdef CONFIG_TCC_BCHECK
321 DEF(TOK___bound_ptr_add, "__bound_ptr_add")
322 DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1")
323 DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2")
324 DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4")
325 DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8")
326 DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12")
327 DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16")
328 DEF(TOK___bound_main_arg, "__bound_main_arg")
329 DEF(TOK___bound_local_new, "__bound_local_new")
330 DEF(TOK___bound_local_delete, "__bound_local_delete")
331 DEF(TOK___bound_setjmp, "__bound_setjmp")
332 DEF(TOK___bound_longjmp, "__bound_longjmp")
333 DEF(TOK___bound_new_region, "__bound_new_region")
334 # ifdef TCC_TARGET_PE
335 # ifdef TCC_TARGET_X86_64
336 DEF(TOK___bound_alloca_nr, "__bound_alloca_nr")
337 # endif
338 # else
339 DEF(TOK_sigsetjmp, "sigsetjmp")
340 DEF(TOK___sigsetjmp, "__sigsetjmp")
341 DEF(TOK_siglongjmp, "siglongjmp")
342 # endif
343 DEF(TOK_setjmp, "setjmp")
344 DEF(TOK__setjmp, "_setjmp")
345 DEF(TOK_longjmp, "longjmp")
346 #endif
349 /*********************************************************************/
350 /* Tiny Assembler */
351 #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
352 #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
353 #define TOK_ASM_int TOK_INT
355 #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
356 #define TOK_ASMDIR_LAST TOK_ASMDIR_section
358 DEF_ASMDIR(byte) /* must be first directive */
359 DEF_ASMDIR(word)
360 DEF_ASMDIR(align)
361 DEF_ASMDIR(balign)
362 DEF_ASMDIR(p2align)
363 DEF_ASMDIR(set)
364 DEF_ASMDIR(skip)
365 DEF_ASMDIR(space)
366 DEF_ASMDIR(string)
367 DEF_ASMDIR(asciz)
368 DEF_ASMDIR(ascii)
369 DEF_ASMDIR(file)
370 DEF_ASMDIR(globl)
371 DEF_ASMDIR(global)
372 DEF_ASMDIR(weak)
373 DEF_ASMDIR(hidden)
374 DEF_ASMDIR(ident)
375 DEF_ASMDIR(size)
376 DEF_ASMDIR(type)
377 DEF_ASMDIR(text)
378 DEF_ASMDIR(data)
379 DEF_ASMDIR(bss)
380 DEF_ASMDIR(previous)
381 DEF_ASMDIR(pushsection)
382 DEF_ASMDIR(popsection)
383 DEF_ASMDIR(fill)
384 DEF_ASMDIR(rept)
385 DEF_ASMDIR(endr)
386 DEF_ASMDIR(org)
387 DEF_ASMDIR(quad)
388 #if defined(TCC_TARGET_I386)
389 DEF_ASMDIR(code16)
390 DEF_ASMDIR(code32)
391 #elif defined(TCC_TARGET_X86_64)
392 DEF_ASMDIR(code64)
393 #endif
394 DEF_ASMDIR(short)
395 DEF_ASMDIR(long)
396 DEF_ASMDIR(int)
397 DEF_ASMDIR(section) /* must be last directive */
399 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
400 #include "i386-tok.h"
401 #endif
403 #if defined TCC_TARGET_ARM || defined TCC_TARGET_ARM64
404 #include "arm-tok.h"
405 #endif
407 #if defined TCC_TARGET_RISCV64
408 #include "riscv64-tok.h"
409 #endif