| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: utdebug - Debug print/trace routines |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, 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 | #define EXPORT_ACPI_INTERFACES |
| 45 | |
| 46 | #include <acpi/acpi.h> |
| 47 | #include "accommon.h" |
| 48 | #include "acinterp.h" |
| 49 | |
| 50 | #define _COMPONENT ACPI_UTILITIES |
| 51 | ACPI_MODULE_NAME("utdebug") |
| 52 | |
| 53 | #ifdef ACPI_DEBUG_OUTPUT |
| 54 | static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF; |
| 55 | static const char *acpi_gbl_function_entry_prefix = "----Entry"; |
| 56 | static const char *acpi_gbl_function_exit_prefix = "----Exit-"; |
| 57 | |
| 58 | /******************************************************************************* |
| 59 | * |
| 60 | * FUNCTION: acpi_ut_init_stack_ptr_trace |
| 61 | * |
| 62 | * PARAMETERS: None |
| 63 | * |
| 64 | * RETURN: None |
| 65 | * |
| 66 | * DESCRIPTION: Save the current CPU stack pointer at subsystem startup |
| 67 | * |
| 68 | ******************************************************************************/ |
| 69 | |
| 70 | void acpi_ut_init_stack_ptr_trace(void) |
| 71 | { |
| 72 | acpi_size current_sp; |
| 73 | |
| 74 | acpi_gbl_entry_stack_pointer = ¤t_sp; |
| 75 | } |
| 76 | |
| 77 | /******************************************************************************* |
| 78 | * |
| 79 | * FUNCTION: acpi_ut_track_stack_ptr |
| 80 | * |
| 81 | * PARAMETERS: None |
| 82 | * |
| 83 | * RETURN: None |
| 84 | * |
| 85 | * DESCRIPTION: Save the current CPU stack pointer |
| 86 | * |
| 87 | ******************************************************************************/ |
| 88 | |
| 89 | void acpi_ut_track_stack_ptr(void) |
| 90 | { |
| 91 | acpi_size current_sp; |
| 92 | |
| 93 | if (¤t_sp < acpi_gbl_lowest_stack_pointer) { |
| 94 | acpi_gbl_lowest_stack_pointer = ¤t_sp; |
| 95 | } |
| 96 | |
| 97 | if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) { |
| 98 | acpi_gbl_deepest_nesting = acpi_gbl_nesting_level; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | /******************************************************************************* |
| 103 | * |
| 104 | * FUNCTION: acpi_ut_trim_function_name |
| 105 | * |
| 106 | * PARAMETERS: function_name - Ascii string containing a procedure name |
| 107 | * |
| 108 | * RETURN: Updated pointer to the function name |
| 109 | * |
| 110 | * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. |
| 111 | * This allows compiler macros such as __func__ to be used |
| 112 | * with no change to the debug output. |
| 113 | * |
| 114 | ******************************************************************************/ |
| 115 | |
| 116 | static const char *acpi_ut_trim_function_name(const char *function_name) |
| 117 | { |
| 118 | |
| 119 | /* All Function names are longer than 4 chars, check is safe */ |
| 120 | |
| 121 | if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) { |
| 122 | |
| 123 | /* This is the case where the original source has not been modified */ |
| 124 | |
| 125 | return (function_name + 4); |
| 126 | } |
| 127 | |
| 128 | if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) { |
| 129 | |
| 130 | /* This is the case where the source has been 'linuxized' */ |
| 131 | |
| 132 | return (function_name + 5); |
| 133 | } |
| 134 | |
| 135 | return (function_name); |
| 136 | } |
| 137 | |
| 138 | /******************************************************************************* |
| 139 | * |
| 140 | * FUNCTION: acpi_debug_print |
| 141 | * |
| 142 | * PARAMETERS: requested_debug_level - Requested debug print level |
| 143 | * line_number - Caller's line number (for error output) |
| 144 | * function_name - Caller's procedure name |
| 145 | * module_name - Caller's module name |
| 146 | * component_id - Caller's component ID |
| 147 | * format - Printf format field |
| 148 | * ... - Optional printf arguments |
| 149 | * |
| 150 | * RETURN: None |
| 151 | * |
| 152 | * DESCRIPTION: Print error message with prefix consisting of the module name, |
| 153 | * line number, and component ID. |
| 154 | * |
| 155 | ******************************************************************************/ |
| 156 | |
| 157 | void ACPI_INTERNAL_VAR_XFACE |
| 158 | acpi_debug_print(u32 requested_debug_level, |
| 159 | u32 line_number, |
| 160 | const char *function_name, |
| 161 | const char *module_name, |
| 162 | u32 component_id, const char *format, ...) |
| 163 | { |
| 164 | acpi_thread_id thread_id; |
| 165 | va_list args; |
| 166 | |
| 167 | /* Check if debug output enabled */ |
| 168 | |
| 169 | if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) { |
| 170 | return; |
| 171 | } |
| 172 | |
| 173 | /* |
| 174 | * Thread tracking and context switch notification |
| 175 | */ |
| 176 | thread_id = acpi_os_get_thread_id(); |
| 177 | if (thread_id != acpi_gbl_previous_thread_id) { |
| 178 | if (ACPI_LV_THREADS & acpi_dbg_level) { |
| 179 | acpi_os_printf |
| 180 | ("\n**** Context Switch from TID %u to TID %u ****\n\n", |
| 181 | (u32)acpi_gbl_previous_thread_id, (u32)thread_id); |
| 182 | } |
| 183 | |
| 184 | acpi_gbl_previous_thread_id = thread_id; |
| 185 | acpi_gbl_nesting_level = 0; |
| 186 | } |
| 187 | |
| 188 | /* |
| 189 | * Display the module name, current line number, thread ID (if requested), |
| 190 | * current procedure nesting level, and the current procedure name |
| 191 | */ |
| 192 | acpi_os_printf("%9s-%04ld ", module_name, line_number); |
| 193 | |
| 194 | #ifdef ACPI_APPLICATION |
| 195 | /* |
| 196 | * For acpi_exec/iASL only, emit the thread ID and nesting level. |
| 197 | * Note: nesting level is really only useful during a single-thread |
| 198 | * execution. Otherwise, multiple threads will keep resetting the |
| 199 | * level. |
| 200 | */ |
| 201 | if (ACPI_LV_THREADS & acpi_dbg_level) { |
| 202 | acpi_os_printf("[%u] ", (u32)thread_id); |
| 203 | } |
| 204 | |
| 205 | acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level); |
| 206 | #endif |
| 207 | |
| 208 | acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name)); |
| 209 | |
| 210 | va_start(args, format); |
| 211 | acpi_os_vprintf(format, args); |
| 212 | va_end(args); |
| 213 | } |
| 214 | |
| 215 | ACPI_EXPORT_SYMBOL(acpi_debug_print) |
| 216 | |
| 217 | /******************************************************************************* |
| 218 | * |
| 219 | * FUNCTION: acpi_debug_print_raw |
| 220 | * |
| 221 | * PARAMETERS: requested_debug_level - Requested debug print level |
| 222 | * line_number - Caller's line number |
| 223 | * function_name - Caller's procedure name |
| 224 | * module_name - Caller's module name |
| 225 | * component_id - Caller's component ID |
| 226 | * format - Printf format field |
| 227 | * ... - Optional printf arguments |
| 228 | * |
| 229 | * RETURN: None |
| 230 | * |
| 231 | * DESCRIPTION: Print message with no headers. Has same interface as |
| 232 | * debug_print so that the same macros can be used. |
| 233 | * |
| 234 | ******************************************************************************/ |
| 235 | void ACPI_INTERNAL_VAR_XFACE |
| 236 | acpi_debug_print_raw(u32 requested_debug_level, |
| 237 | u32 line_number, |
| 238 | const char *function_name, |
| 239 | const char *module_name, |
| 240 | u32 component_id, const char *format, ...) |
| 241 | { |
| 242 | va_list args; |
| 243 | |
| 244 | /* Check if debug output enabled */ |
| 245 | |
| 246 | if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) { |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | va_start(args, format); |
| 251 | acpi_os_vprintf(format, args); |
| 252 | va_end(args); |
| 253 | } |
| 254 | |
| 255 | ACPI_EXPORT_SYMBOL(acpi_debug_print_raw) |
| 256 | |
| 257 | /******************************************************************************* |
| 258 | * |
| 259 | * FUNCTION: acpi_ut_trace |
| 260 | * |
| 261 | * PARAMETERS: line_number - Caller's line number |
| 262 | * function_name - Caller's procedure name |
| 263 | * module_name - Caller's module name |
| 264 | * component_id - Caller's component ID |
| 265 | * |
| 266 | * RETURN: None |
| 267 | * |
| 268 | * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is |
| 269 | * set in debug_level |
| 270 | * |
| 271 | ******************************************************************************/ |
| 272 | void |
| 273 | acpi_ut_trace(u32 line_number, |
| 274 | const char *function_name, |
| 275 | const char *module_name, u32 component_id) |
| 276 | { |
| 277 | |
| 278 | acpi_gbl_nesting_level++; |
| 279 | acpi_ut_track_stack_ptr(); |
| 280 | |
| 281 | /* Check if enabled up-front for performance */ |
| 282 | |
| 283 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 284 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 285 | line_number, function_name, module_name, |
| 286 | component_id, "%s\n", |
| 287 | acpi_gbl_function_entry_prefix); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | ACPI_EXPORT_SYMBOL(acpi_ut_trace) |
| 292 | |
| 293 | /******************************************************************************* |
| 294 | * |
| 295 | * FUNCTION: acpi_ut_trace_ptr |
| 296 | * |
| 297 | * PARAMETERS: line_number - Caller's line number |
| 298 | * function_name - Caller's procedure name |
| 299 | * module_name - Caller's module name |
| 300 | * component_id - Caller's component ID |
| 301 | * pointer - Pointer to display |
| 302 | * |
| 303 | * RETURN: None |
| 304 | * |
| 305 | * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is |
| 306 | * set in debug_level |
| 307 | * |
| 308 | ******************************************************************************/ |
| 309 | void |
| 310 | acpi_ut_trace_ptr(u32 line_number, |
| 311 | const char *function_name, |
| 312 | const char *module_name, |
| 313 | u32 component_id, const void *pointer) |
| 314 | { |
| 315 | |
| 316 | acpi_gbl_nesting_level++; |
| 317 | acpi_ut_track_stack_ptr(); |
| 318 | |
| 319 | /* Check if enabled up-front for performance */ |
| 320 | |
| 321 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 322 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 323 | line_number, function_name, module_name, |
| 324 | component_id, "%s %p\n", |
| 325 | acpi_gbl_function_entry_prefix, pointer); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | /******************************************************************************* |
| 330 | * |
| 331 | * FUNCTION: acpi_ut_trace_str |
| 332 | * |
| 333 | * PARAMETERS: line_number - Caller's line number |
| 334 | * function_name - Caller's procedure name |
| 335 | * module_name - Caller's module name |
| 336 | * component_id - Caller's component ID |
| 337 | * string - Additional string to display |
| 338 | * |
| 339 | * RETURN: None |
| 340 | * |
| 341 | * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is |
| 342 | * set in debug_level |
| 343 | * |
| 344 | ******************************************************************************/ |
| 345 | |
| 346 | void |
| 347 | acpi_ut_trace_str(u32 line_number, |
| 348 | const char *function_name, |
| 349 | const char *module_name, u32 component_id, const char *string) |
| 350 | { |
| 351 | |
| 352 | acpi_gbl_nesting_level++; |
| 353 | acpi_ut_track_stack_ptr(); |
| 354 | |
| 355 | /* Check if enabled up-front for performance */ |
| 356 | |
| 357 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 358 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 359 | line_number, function_name, module_name, |
| 360 | component_id, "%s %s\n", |
| 361 | acpi_gbl_function_entry_prefix, string); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | /******************************************************************************* |
| 366 | * |
| 367 | * FUNCTION: acpi_ut_trace_u32 |
| 368 | * |
| 369 | * PARAMETERS: line_number - Caller's line number |
| 370 | * function_name - Caller's procedure name |
| 371 | * module_name - Caller's module name |
| 372 | * component_id - Caller's component ID |
| 373 | * integer - Integer to display |
| 374 | * |
| 375 | * RETURN: None |
| 376 | * |
| 377 | * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is |
| 378 | * set in debug_level |
| 379 | * |
| 380 | ******************************************************************************/ |
| 381 | |
| 382 | void |
| 383 | acpi_ut_trace_u32(u32 line_number, |
| 384 | const char *function_name, |
| 385 | const char *module_name, u32 component_id, u32 integer) |
| 386 | { |
| 387 | |
| 388 | acpi_gbl_nesting_level++; |
| 389 | acpi_ut_track_stack_ptr(); |
| 390 | |
| 391 | /* Check if enabled up-front for performance */ |
| 392 | |
| 393 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 394 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 395 | line_number, function_name, module_name, |
| 396 | component_id, "%s %08X\n", |
| 397 | acpi_gbl_function_entry_prefix, integer); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | /******************************************************************************* |
| 402 | * |
| 403 | * FUNCTION: acpi_ut_exit |
| 404 | * |
| 405 | * PARAMETERS: line_number - Caller's line number |
| 406 | * function_name - Caller's procedure name |
| 407 | * module_name - Caller's module name |
| 408 | * component_id - Caller's component ID |
| 409 | * |
| 410 | * RETURN: None |
| 411 | * |
| 412 | * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is |
| 413 | * set in debug_level |
| 414 | * |
| 415 | ******************************************************************************/ |
| 416 | |
| 417 | void |
| 418 | acpi_ut_exit(u32 line_number, |
| 419 | const char *function_name, |
| 420 | const char *module_name, u32 component_id) |
| 421 | { |
| 422 | |
| 423 | /* Check if enabled up-front for performance */ |
| 424 | |
| 425 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 426 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 427 | line_number, function_name, module_name, |
| 428 | component_id, "%s\n", |
| 429 | acpi_gbl_function_exit_prefix); |
| 430 | } |
| 431 | |
| 432 | if (acpi_gbl_nesting_level) { |
| 433 | acpi_gbl_nesting_level--; |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | ACPI_EXPORT_SYMBOL(acpi_ut_exit) |
| 438 | |
| 439 | /******************************************************************************* |
| 440 | * |
| 441 | * FUNCTION: acpi_ut_status_exit |
| 442 | * |
| 443 | * PARAMETERS: line_number - Caller's line number |
| 444 | * function_name - Caller's procedure name |
| 445 | * module_name - Caller's module name |
| 446 | * component_id - Caller's component ID |
| 447 | * status - Exit status code |
| 448 | * |
| 449 | * RETURN: None |
| 450 | * |
| 451 | * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is |
| 452 | * set in debug_level. Prints exit status also. |
| 453 | * |
| 454 | ******************************************************************************/ |
| 455 | void |
| 456 | acpi_ut_status_exit(u32 line_number, |
| 457 | const char *function_name, |
| 458 | const char *module_name, |
| 459 | u32 component_id, acpi_status status) |
| 460 | { |
| 461 | |
| 462 | /* Check if enabled up-front for performance */ |
| 463 | |
| 464 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 465 | if (ACPI_SUCCESS(status)) { |
| 466 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 467 | line_number, function_name, |
| 468 | module_name, component_id, "%s %s\n", |
| 469 | acpi_gbl_function_exit_prefix, |
| 470 | acpi_format_exception(status)); |
| 471 | } else { |
| 472 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 473 | line_number, function_name, |
| 474 | module_name, component_id, |
| 475 | "%s ****Exception****: %s\n", |
| 476 | acpi_gbl_function_exit_prefix, |
| 477 | acpi_format_exception(status)); |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | if (acpi_gbl_nesting_level) { |
| 482 | acpi_gbl_nesting_level--; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | ACPI_EXPORT_SYMBOL(acpi_ut_status_exit) |
| 487 | |
| 488 | /******************************************************************************* |
| 489 | * |
| 490 | * FUNCTION: acpi_ut_value_exit |
| 491 | * |
| 492 | * PARAMETERS: line_number - Caller's line number |
| 493 | * function_name - Caller's procedure name |
| 494 | * module_name - Caller's module name |
| 495 | * component_id - Caller's component ID |
| 496 | * value - Value to be printed with exit msg |
| 497 | * |
| 498 | * RETURN: None |
| 499 | * |
| 500 | * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is |
| 501 | * set in debug_level. Prints exit value also. |
| 502 | * |
| 503 | ******************************************************************************/ |
| 504 | void |
| 505 | acpi_ut_value_exit(u32 line_number, |
| 506 | const char *function_name, |
| 507 | const char *module_name, u32 component_id, u64 value) |
| 508 | { |
| 509 | |
| 510 | /* Check if enabled up-front for performance */ |
| 511 | |
| 512 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 513 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 514 | line_number, function_name, module_name, |
| 515 | component_id, "%s %8.8X%8.8X\n", |
| 516 | acpi_gbl_function_exit_prefix, |
| 517 | ACPI_FORMAT_UINT64(value)); |
| 518 | } |
| 519 | |
| 520 | if (acpi_gbl_nesting_level) { |
| 521 | acpi_gbl_nesting_level--; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | ACPI_EXPORT_SYMBOL(acpi_ut_value_exit) |
| 526 | |
| 527 | /******************************************************************************* |
| 528 | * |
| 529 | * FUNCTION: acpi_ut_ptr_exit |
| 530 | * |
| 531 | * PARAMETERS: line_number - Caller's line number |
| 532 | * function_name - Caller's procedure name |
| 533 | * module_name - Caller's module name |
| 534 | * component_id - Caller's component ID |
| 535 | * ptr - Pointer to display |
| 536 | * |
| 537 | * RETURN: None |
| 538 | * |
| 539 | * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is |
| 540 | * set in debug_level. Prints exit value also. |
| 541 | * |
| 542 | ******************************************************************************/ |
| 543 | void |
| 544 | acpi_ut_ptr_exit(u32 line_number, |
| 545 | const char *function_name, |
| 546 | const char *module_name, u32 component_id, u8 *ptr) |
| 547 | { |
| 548 | |
| 549 | /* Check if enabled up-front for performance */ |
| 550 | |
| 551 | if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { |
| 552 | acpi_debug_print(ACPI_LV_FUNCTIONS, |
| 553 | line_number, function_name, module_name, |
| 554 | component_id, "%s %p\n", |
| 555 | acpi_gbl_function_exit_prefix, ptr); |
| 556 | } |
| 557 | |
| 558 | if (acpi_gbl_nesting_level) { |
| 559 | acpi_gbl_nesting_level--; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | /******************************************************************************* |
| 564 | * |
| 565 | * FUNCTION: acpi_trace_point |
| 566 | * |
| 567 | * PARAMETERS: type - Trace event type |
| 568 | * begin - TRUE if before execution |
| 569 | * aml - Executed AML address |
| 570 | * pathname - Object path |
| 571 | * pointer - Pointer to the related object |
| 572 | * |
| 573 | * RETURN: None |
| 574 | * |
| 575 | * DESCRIPTION: Interpreter execution trace. |
| 576 | * |
| 577 | ******************************************************************************/ |
| 578 | |
| 579 | void |
| 580 | acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname) |
| 581 | { |
| 582 | |
| 583 | ACPI_FUNCTION_ENTRY(); |
| 584 | |
| 585 | acpi_ex_trace_point(type, begin, aml, pathname); |
| 586 | |
| 587 | #ifdef ACPI_USE_SYSTEM_TRACER |
| 588 | acpi_os_trace_point(type, begin, aml, pathname); |
| 589 | #endif |
| 590 | } |
| 591 | |
| 592 | ACPI_EXPORT_SYMBOL(acpi_trace_point) |
| 593 | #endif |
| 594 | #ifdef ACPI_APPLICATION |
| 595 | /******************************************************************************* |
| 596 | * |
| 597 | * FUNCTION: acpi_log_error |
| 598 | * |
| 599 | * PARAMETERS: format - Printf format field |
| 600 | * ... - Optional printf arguments |
| 601 | * |
| 602 | * RETURN: None |
| 603 | * |
| 604 | * DESCRIPTION: Print error message to the console, used by applications. |
| 605 | * |
| 606 | ******************************************************************************/ |
| 607 | void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...) |
| 608 | { |
| 609 | va_list args; |
| 610 | |
| 611 | va_start(args, format); |
| 612 | (void)acpi_ut_file_vprintf(ACPI_FILE_ERR, format, args); |
| 613 | va_end(args); |
| 614 | } |
| 615 | |
| 616 | ACPI_EXPORT_SYMBOL(acpi_log_error) |
| 617 | #endif |