projects / apple / ld64.git / blame
| Commit | Line | Data |
|---|---|---|
| afe874b1 A |
1 | /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*- |
| 2 | * | |
| 3 | * Copyright (c) 2008 Apple Inc. All rights reserved. | |
| 4 | * | |
| 5 | * @APPLE_LICENSE_HEADER_START@ | |
| 6 | * | |
| 7 | * This file contains Original Code and/or Modifications of Original Code | |
| 8 | * as defined in and that are subject to the Apple Public Source License | |
| 9 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 10 | * compliance with the License. Please obtain a copy of the License at | |
| 11 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 12 | * file. | |
| 13 | * | |
| 14 | * The Original Code and all software distributed under the License are | |
| 15 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 19 | * Please see the License for the specific language governing rights and | |
| 20 | * limitations under the License. | |
| 21 | * | |
| 22 | * @APPLE_LICENSE_HEADER_END@ | |
| 23 | */ | |
| 24 | ||
| 25 | ||
| 26 | ||
| 27 | #ifndef INTERNAL_MACROS_H | |
| 28 | #define INTERNAL_MACROS_H | |
| 29 | ||
| 30 | #include <assert.h> | |
| 31 | ||
| 32 | #ifdef __cplusplus | |
| 33 | extern "C" { | |
| 34 | #endif | |
| 35 | extern void __assert_rtn(const char *, const char *, int, const char *) __attribute__((noreturn)); | |
| 36 | #ifdef __cplusplus | |
| 37 | } | |
| 38 | #endif | |
| 39 | ||
| 40 | #define UNW_STEP_SUCCESS 1 | |
| 41 | #define UNW_STEP_END 0 | |
| 42 | ||
| 43 | ||
| 44 | struct v128 { unsigned int vec[4]; }; | |
| 45 | ||
| 46 | ||
| 47 | #define EXPORT __attribute__((visibility("default"))) | |
| 48 | ||
| 49 | #define COMPILE_TIME_ASSERT( expr ) \ | |
| 50 | extern int compile_time_assert_failed[ ( expr ) ? 1 : -1 ] __attribute__( ( unused ) ); | |
| 51 | ||
| 52 | #define ABORT(msg) __assert_rtn(__func__, __FILE__, __LINE__, msg) | |
| 53 | ||
| 54 | #if NDEBUG | |
| 55 | #define DEBUG_MESSAGE(msg, ...) | |
| 56 | #define DEBUG_PRINT_API(msg, ...) | |
| 57 | #define DEBUG_PRINT_UNWINDING_TEST 0 | |
| 58 | #define DEBUG_PRINT_UNWINDING(msg, ...) | |
| 59 | #define DEBUG_LOG_NON_ZERO(x) x; | |
| 60 | #define INITIALIZE_DEBUG_PRINT_API | |
| 61 | #define INITIALIZE_DEBUG_PRINT_UNWINDING | |
| 62 | #else | |
| 63 | #define DEBUG_MESSAGE(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__) | |
| 64 | #ifdef __cplusplus | |
| 65 | extern "C" { | |
| 66 | #endif | |
| 67 | extern bool logAPIs(); | |
| 68 | extern bool logUnwinding(); | |
| 69 | #ifdef __cplusplus | |
| 70 | } | |
| 71 | #endif | |
| 72 | #define DEBUG_LOG_NON_ZERO(x) { int _err = x; if ( _err != 0 ) fprintf(stderr, "libuwind: " #x "=%d in %s", _err, __FUNCTION__); } | |
| 73 | #define DEBUG_PRINT_API(msg, ...) do { if ( logAPIs() ) fprintf(stderr, msg, __VA_ARGS__); } while(0) | |
| 74 | #define DEBUG_PRINT_UNWINDING(msg, ...) do { if ( logUnwinding() ) fprintf(stderr, msg, __VA_ARGS__); } while(0) | |
| 75 | #define DEBUG_PRINT_UNWINDING_TEST logUnwinding() | |
| 76 | #define INITIALIZE_DEBUG_PRINT_API bool logAPIs() { static bool log = (getenv("LIBUNWIND_PRINT_APIS") != NULL); return log; } | |
| 77 | #define INITIALIZE_DEBUG_PRINT_UNWINDING bool logUnwinding() { static bool log = (getenv("LIBUNWIND_PRINT_UNWINDING") != NULL); return log; } | |
| 78 | #endif | |
| 79 | ||
| 80 | ||
| 81 | // note hack for <rdar://problem/6175741> | |
| 82 | // Once libgcc_s.dylib vectors to libSystem, then we can remove the $ld$hide$os10.6$ lines | |
| 83 | #if __ppc__ | |
| 84 | #define NOT_HERE_BEFORE_10_6(sym) \ | |
| 85 | extern const char sym##_tmp3 __asm("$ld$hide$os10.3$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp3 = 0; \ | |
| 86 | extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ | |
| 87 | extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp5 = 0; | |
| 88 | #define NEVER_HERE(sym) \ | |
| 89 | extern const char sym##_tmp3 __asm("$ld$hide$os10.3$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp3 = 0; \ | |
| 90 | extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ | |
| 91 | extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp5 = 0; \ | |
| 92 | extern const char sym##_tmp6 __asm("$ld$hide$os10.6$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp6 = 0; | |
| 93 | #else | |
| 94 | #define NOT_HERE_BEFORE_10_6(sym) \ | |
| 95 | extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ | |
| 96 | extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp5 = 0; | |
| 97 | #define NEVER_HERE(sym) \ | |
| 98 | extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \ | |
| 99 | extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp5 = 0; \ | |
| 100 | extern const char sym##_tmp6 __asm("$ld$hide$os10.6$_" #sym ); __attribute__((visibility("default"))) const char sym##_tmp6 = 0; | |
| 101 | #endif | |
| 102 | ||
| 103 | ||
| 104 | ||
| 105 | #endif // INTERNAL_MACROS_H |