1 /****************************************************************************** 2 * 3 * Name: acoutput.h -- debug output 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2018, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #ifndef __ACOUTPUT_H__ 45 #define __ACOUTPUT_H__ 46 47 /* 48 * Debug levels and component IDs. These are used to control the 49 * granularity of the output of the ACPI_DEBUG_PRINT macro -- on a 50 * per-component basis and a per-exception-type basis. 51 */ 52 53 /* Component IDs are used in the global "DebugLayer" */ 54 55 #define ACPI_UTILITIES 0x00000001 56 #define ACPI_HARDWARE 0x00000002 57 #define ACPI_EVENTS 0x00000004 58 #define ACPI_TABLES 0x00000008 59 #define ACPI_NAMESPACE 0x00000010 60 #define ACPI_PARSER 0x00000020 61 #define ACPI_DISPATCHER 0x00000040 62 #define ACPI_EXECUTER 0x00000080 63 #define ACPI_RESOURCES 0x00000100 64 #define ACPI_CA_DEBUGGER 0x00000200 65 #define ACPI_OS_SERVICES 0x00000400 66 #define ACPI_CA_DISASSEMBLER 0x00000800 67 68 /* Component IDs for ACPI tools and utilities */ 69 70 #define ACPI_COMPILER 0x00001000 71 #define ACPI_TOOLS 0x00002000 72 #define ACPI_EXAMPLE 0x00004000 73 #define ACPI_DRIVER 0x00008000 74 #define DT_COMPILER 0x00010000 75 #define ASL_PREPROCESSOR 0x00020000 76 77 #define ACPI_ALL_COMPONENTS 0x0001FFFF 78 #define ACPI_COMPONENT_DEFAULT (ACPI_ALL_COMPONENTS) 79 80 /* Component IDs reserved for ACPI drivers */ 81 82 #define ACPI_ALL_DRIVERS 0xFFFF0000 83 84 /* 85 * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros 86 */ 87 #define ACPI_LV_INIT 0x00000001 88 #define ACPI_LV_DEBUG_OBJECT 0x00000002 89 #define ACPI_LV_INFO 0x00000004 90 #define ACPI_LV_REPAIR 0x00000008 91 #define ACPI_LV_TRACE_POINT 0x00000010 92 #define ACPI_LV_ALL_EXCEPTIONS 0x0000001F 93 94 /* Trace verbosity level 1 [Standard Trace Level] */ 95 96 #define ACPI_LV_INIT_NAMES 0x00000020 97 #define ACPI_LV_PARSE 0x00000040 98 #define ACPI_LV_LOAD 0x00000080 99 #define ACPI_LV_DISPATCH 0x00000100 100 #define ACPI_LV_EXEC 0x00000200 101 #define ACPI_LV_NAMES 0x00000400 102 #define ACPI_LV_OPREGION 0x00000800 103 #define ACPI_LV_BFIELD 0x00001000 104 #define ACPI_LV_TABLES 0x00002000 105 #define ACPI_LV_VALUES 0x00004000 106 #define ACPI_LV_OBJECTS 0x00008000 107 #define ACPI_LV_RESOURCES 0x00010000 108 #define ACPI_LV_USER_REQUESTS 0x00020000 109 #define ACPI_LV_PACKAGE 0x00040000 110 #define ACPI_LV_VERBOSITY1 0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS 111 112 /* Trace verbosity level 2 [Function tracing and memory allocation] */ 113 114 #define ACPI_LV_ALLOCATIONS 0x00100000 115 #define ACPI_LV_FUNCTIONS 0x00200000 116 #define ACPI_LV_OPTIMIZATIONS 0x00400000 117 #define ACPI_LV_VERBOSITY2 0x00700000 | ACPI_LV_VERBOSITY1 118 #define ACPI_LV_ALL ACPI_LV_VERBOSITY2 119 120 /* Trace verbosity level 3 [Threading, I/O, and Interrupts] */ 121 122 #define ACPI_LV_MUTEX 0x01000000 123 #define ACPI_LV_THREADS 0x02000000 124 #define ACPI_LV_IO 0x04000000 125 #define ACPI_LV_INTERRUPTS 0x08000000 126 #define ACPI_LV_VERBOSITY3 0x0F000000 | ACPI_LV_VERBOSITY2 127 128 /* Exceptionally verbose output -- also used in the global "DebugLevel" */ 129 130 #define ACPI_LV_AML_DISASSEMBLE 0x10000000 131 #define ACPI_LV_VERBOSE_INFO 0x20000000 132 #define ACPI_LV_FULL_TABLES 0x40000000 133 #define ACPI_LV_EVENTS 0x80000000 134 #define ACPI_LV_VERBOSE 0xF0000000 135 136 /* 137 * Debug level macros that are used in the DEBUG_PRINT macros 138 */ 139 #define ACPI_DEBUG_LEVEL(dl) (u32) dl,ACPI_DEBUG_PARAMETERS 140 141 /* 142 * Exception level -- used in the global "DebugLevel" 143 * 144 * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces. 145 * For warnings, use ACPI_WARNING. 146 */ 147 #define ACPI_DB_INIT ACPI_DEBUG_LEVEL (ACPI_LV_INIT) 148 #define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT) 149 #define ACPI_DB_INFO ACPI_DEBUG_LEVEL (ACPI_LV_INFO) 150 #define ACPI_DB_REPAIR ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR) 151 #define ACPI_DB_TRACE_POINT ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT) 152 #define ACPI_DB_ALL_EXCEPTIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS) 153 154 /* Trace level -- also used in the global "DebugLevel" */ 155 156 #define ACPI_DB_INIT_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES) 157 #define ACPI_DB_THREADS ACPI_DEBUG_LEVEL (ACPI_LV_THREADS) 158 #define ACPI_DB_PARSE ACPI_DEBUG_LEVEL (ACPI_LV_PARSE) 159 #define ACPI_DB_DISPATCH ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH) 160 #define ACPI_DB_LOAD ACPI_DEBUG_LEVEL (ACPI_LV_LOAD) 161 #define ACPI_DB_EXEC ACPI_DEBUG_LEVEL (ACPI_LV_EXEC) 162 #define ACPI_DB_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_NAMES) 163 #define ACPI_DB_OPREGION ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION) 164 #define ACPI_DB_BFIELD ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD) 165 #define ACPI_DB_TABLES ACPI_DEBUG_LEVEL (ACPI_LV_TABLES) 166 #define ACPI_DB_FUNCTIONS ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS) 167 #define ACPI_DB_OPTIMIZATIONS ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS) 168 #define ACPI_DB_VALUES ACPI_DEBUG_LEVEL (ACPI_LV_VALUES) 169 #define ACPI_DB_OBJECTS ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS) 170 #define ACPI_DB_ALLOCATIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS) 171 #define ACPI_DB_RESOURCES ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES) 172 #define ACPI_DB_IO ACPI_DEBUG_LEVEL (ACPI_LV_IO) 173 #define ACPI_DB_INTERRUPTS ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS) 174 #define ACPI_DB_USER_REQUESTS ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS) 175 #define ACPI_DB_PACKAGE ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE) 176 #define ACPI_DB_MUTEX ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX) 177 #define ACPI_DB_EVENTS ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS) 178 179 #define ACPI_DB_ALL ACPI_DEBUG_LEVEL (ACPI_LV_ALL) 180 181 /* Defaults for debug_level, debug and normal */ 182 183 #define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR) 184 #define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR) 185 #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) 186 187 /* 188 * Global trace flags 189 */ 190 #define ACPI_TRACE_ENABLED ((u32) 4) 191 #define ACPI_TRACE_ONESHOT ((u32) 2) 192 #define ACPI_TRACE_OPCODE ((u32) 1) 193 194 /* Defaults for trace debugging level/layer */ 195 196 #define ACPI_TRACE_LEVEL_ALL ACPI_LV_ALL 197 #define ACPI_TRACE_LAYER_ALL 0x000001FF 198 #define ACPI_TRACE_LEVEL_DEFAULT ACPI_LV_TRACE_POINT 199 #define ACPI_TRACE_LAYER_DEFAULT ACPI_EXECUTER 200 201 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES) 202 /* 203 * The module name is used primarily for error and debug messages. 204 * The __FILE__ macro is not very useful for this, because it 205 * usually includes the entire pathname to the module making the 206 * debug output difficult to read. 207 */ 208 #define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name; 209 #else 210 /* 211 * For the no-debug and no-error-msg cases, we must at least define 212 * a null module name. 213 */ 214 #define ACPI_MODULE_NAME(name) 215 #define _acpi_module_name "" 216 #endif 217 218 /* 219 * Ascii error messages can be configured out 220 */ 221 #ifndef ACPI_NO_ERROR_MESSAGES 222 #define AE_INFO _acpi_module_name, __LINE__ 223 224 /* 225 * Error reporting. Callers module and line number are inserted by AE_INFO, 226 * the plist contains a set of parens to allow variable-length lists. 227 * These macros are used for both the debug and non-debug versions of the code. 228 */ 229 #define ACPI_INFO(plist) acpi_info plist 230 #define ACPI_WARNING(plist) acpi_warning plist 231 #define ACPI_EXCEPTION(plist) acpi_exception plist 232 #define ACPI_ERROR(plist) acpi_error plist 233 #define ACPI_BIOS_WARNING(plist) acpi_bios_warning plist 234 #define ACPI_BIOS_ERROR(plist) acpi_bios_error plist 235 #define ACPI_DEBUG_OBJECT(obj,l,i) acpi_ex_do_debug_object(obj,l,i) 236 237 #else 238 239 /* No error messages */ 240 241 #define ACPI_INFO(plist) 242 #define ACPI_WARNING(plist) 243 #define ACPI_EXCEPTION(plist) 244 #define ACPI_ERROR(plist) 245 #define ACPI_BIOS_WARNING(plist) 246 #define ACPI_BIOS_ERROR(plist) 247 #define ACPI_DEBUG_OBJECT(obj,l,i) 248 249 #endif /* ACPI_NO_ERROR_MESSAGES */ 250 251 /* 252 * Debug macros that are conditionally compiled 253 */ 254 #ifdef ACPI_DEBUG_OUTPUT 255 256 /* 257 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header, 258 * define it now. This is the case where there the compiler does not support 259 * a __func__ macro or equivalent. 260 */ 261 #ifndef ACPI_GET_FUNCTION_NAME 262 #define ACPI_GET_FUNCTION_NAME _acpi_function_name 263 264 /* 265 * The Name parameter should be the procedure name as a non-quoted string. 266 * The function name is also used by the function exit macros below. 267 * Note: (const char) is used to be compatible with the debug interfaces 268 * and macros such as __func__. 269 */ 270 #define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name; 271 272 #else 273 /* Compiler supports __func__ (or equivalent) -- Ignore this macro */ 274 275 #define ACPI_FUNCTION_NAME(name) 276 #endif /* ACPI_GET_FUNCTION_NAME */ 277 278 /* 279 * Common parameters used for debug output functions: 280 * line number, function name, module(file) name, component ID 281 */ 282 #define ACPI_DEBUG_PARAMETERS \ 283 __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT 284 285 /* Check if debug output is currently dynamically enabled */ 286 287 #define ACPI_IS_DEBUG_ENABLED(level, component) \ 288 ((level & acpi_dbg_level) && (component & acpi_dbg_layer)) 289 290 /* 291 * Master debug print macros 292 * Print message if and only if: 293 * 1) Debug print for the current component is enabled 294 * 2) Debug error level or trace level for the print statement is enabled 295 * 296 * November 2012: Moved the runtime check for whether to actually emit the 297 * debug message outside of the print function itself. This improves overall 298 * performance at a relatively small code cost. Implementation involves the 299 * use of variadic macros supported by C99. 300 * 301 * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from 302 * complaining about these constructs. On other compilers the do...while 303 * adds some extra code, so this feature is optional. 304 */ 305 #ifdef ACPI_USE_DO_WHILE_0 306 #define ACPI_DO_WHILE0(a) do a while(0) 307 #else 308 #define ACPI_DO_WHILE0(a) a 309 #endif 310 311 /* DEBUG_PRINT functions */ 312 313 #ifndef COMPILER_VA_MACRO 314 315 #define ACPI_DEBUG_PRINT(plist) acpi_debug_print plist 316 #define ACPI_DEBUG_PRINT_RAW(plist) acpi_debug_print_raw plist 317 318 #else 319 320 /* Helper macros for DEBUG_PRINT */ 321 322 #define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \ 323 ACPI_DO_WHILE0 ({ \ 324 if (ACPI_IS_DEBUG_ENABLED (level, component)) \ 325 { \ 326 function (level, line, filename, modulename, component, __VA_ARGS__); \ 327 } \ 328 }) 329 330 #define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \ 331 ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \ 332 filename, modulename, component, __VA_ARGS__) 333 334 #define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \ 335 ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \ 336 filename, modulename, component, __VA_ARGS__) 337 338 #define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist 339 #define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist 340 341 #endif 342 343 /* 344 * Function entry tracing 345 * 346 * The name of the function is emitted as a local variable that is 347 * intended to be used by both the entry trace and the exit trace. 348 */ 349 350 /* Helper macro */ 351 352 #define ACPI_TRACE_ENTRY(name, function, type, param) \ 353 ACPI_FUNCTION_NAME (name) \ 354 function (ACPI_DEBUG_PARAMETERS, (type) (param)) 355 356 /* The actual entry trace macros */ 357 358 #define ACPI_FUNCTION_TRACE(name) \ 359 ACPI_FUNCTION_NAME(name) \ 360 acpi_ut_trace (ACPI_DEBUG_PARAMETERS) 361 362 #define ACPI_FUNCTION_TRACE_PTR(name, pointer) \ 363 ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer) 364 365 #define ACPI_FUNCTION_TRACE_U32(name, value) \ 366 ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value) 367 368 #define ACPI_FUNCTION_TRACE_STR(name, string) \ 369 ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, const char *, string) 370 371 #define ACPI_FUNCTION_ENTRY() \ 372 acpi_ut_track_stack_ptr() 373 374 /* 375 * Function exit tracing 376 * 377 * These macros include a return statement. This is usually considered 378 * bad form, but having a separate exit macro before the actual return 379 * is very ugly and difficult to maintain. 380 * 381 * One of the FUNCTION_TRACE macros above must be used in conjunction 382 * with these macros so that "_AcpiFunctionName" is defined. 383 * 384 * There are two versions of most of the return macros. The default version is 385 * safer, since it avoids side-effects by guaranteeing that the argument will 386 * not be evaluated twice. 387 * 388 * A less-safe version of the macros is provided for optional use if the 389 * compiler uses excessive CPU stack (for example, this may happen in the 390 * debug case if code optimzation is disabled.) 391 */ 392 393 /* Exit trace helper macro */ 394 395 #ifndef ACPI_SIMPLE_RETURN_MACROS 396 397 #define ACPI_TRACE_EXIT(function, type, param) \ 398 ACPI_DO_WHILE0 ({ \ 399 register type _param = (type) (param); \ 400 function (ACPI_DEBUG_PARAMETERS, _param); \ 401 return (_param); \ 402 }) 403 404 #else /* Use original less-safe macros */ 405 406 #define ACPI_TRACE_EXIT(function, type, param) \ 407 ACPI_DO_WHILE0 ({ \ 408 function (ACPI_DEBUG_PARAMETERS, (type) (param)); \ 409 return (param); \ 410 }) 411 412 #endif /* ACPI_SIMPLE_RETURN_MACROS */ 413 414 /* The actual exit macros */ 415 416 #define return_VOID \ 417 ACPI_DO_WHILE0 ({ \ 418 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \ 419 return; \ 420 }) 421 422 #define return_ACPI_STATUS(status) \ 423 ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status) 424 425 #define return_PTR(pointer) \ 426 ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer) 427 428 #define return_STR(string) \ 429 ACPI_TRACE_EXIT (acpi_ut_str_exit, const char *, string) 430 431 #define return_VALUE(value) \ 432 ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value) 433 434 #define return_UINT32(value) \ 435 ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value) 436 437 #define return_UINT8(value) \ 438 ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value) 439 440 /* Conditional execution */ 441 442 #define ACPI_DEBUG_EXEC(a) a 443 #define ACPI_DEBUG_ONLY_MEMBERS(a) a; 444 #define _VERBOSE_STRUCTURES 445 446 /* Various object display routines for debug */ 447 448 #define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0) 449 #define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c) 450 #define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b) 451 #define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d) 452 #define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) 453 454 #define ACPI_TRACE_POINT(a, b, c, d) acpi_trace_point (a, b, c, d) 455 456 #else /* ACPI_DEBUG_OUTPUT */ 457 /* 458 * This is the non-debug case -- make everything go away, 459 * leaving no executable debug code! 460 */ 461 #define ACPI_DEBUG_PRINT(pl) 462 #define ACPI_DEBUG_PRINT_RAW(pl) 463 #define ACPI_DEBUG_EXEC(a) 464 #define ACPI_DEBUG_ONLY_MEMBERS(a) 465 #define ACPI_FUNCTION_NAME(a) 466 #define ACPI_FUNCTION_TRACE(a) 467 #define ACPI_FUNCTION_TRACE_PTR(a, b) 468 #define ACPI_FUNCTION_TRACE_U32(a, b) 469 #define ACPI_FUNCTION_TRACE_STR(a, b) 470 #define ACPI_FUNCTION_ENTRY() 471 #define ACPI_DUMP_STACK_ENTRY(a) 472 #define ACPI_DUMP_OPERANDS(a, b, c) 473 #define ACPI_DUMP_ENTRY(a, b) 474 #define ACPI_DUMP_PATHNAME(a, b, c, d) 475 #define ACPI_DUMP_BUFFER(a, b) 476 #define ACPI_IS_DEBUG_ENABLED(level, component) 0 477 #define ACPI_TRACE_POINT(a, b, c, d) 478 479 /* Return macros must have a return statement at the minimum */ 480 481 #define return_VOID return 482 #define return_ACPI_STATUS(s) return(s) 483 #define return_PTR(s) return(s) 484 #define return_STR(s) return(s) 485 #define return_VALUE(s) return(s) 486 #define return_UINT8(s) return(s) 487 #define return_UINT32(s) return(s) 488 489 #endif /* ACPI_DEBUG_OUTPUT */ 490 491 #endif /* __ACOUTPUT_H__ */ 492