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113 lines
4.6 KiB
C++
Vendored
113 lines
4.6 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//
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//===----------------------------------------------------------------------===//
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#include "config.h"
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// static linker symbols to prevent wrong two level namespace for _Unwind symbols
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#if defined(__arm__)
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#define NOT_HERE_BEFORE_5_0(sym) \
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extern const char sym##_tmp30 __asm("$ld$hide$os3.0$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp30 = 0; \
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extern const char sym##_tmp31 __asm("$ld$hide$os3.1$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp31 = 0; \
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extern const char sym##_tmp32 __asm("$ld$hide$os3.2$_" #sym );\
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__attribute__((visibility("default"))) const char sym##_tmp32 = 0; \
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extern const char sym##_tmp40 __asm("$ld$hide$os4.0$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp40 = 0; \
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extern const char sym##_tmp41 __asm("$ld$hide$os4.1$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp41 = 0; \
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extern const char sym##_tmp42 __asm("$ld$hide$os4.2$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp42 = 0; \
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extern const char sym##_tmp43 __asm("$ld$hide$os4.3$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp43 = 0;
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#elif defined(__aarch64__)
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#define NOT_HERE_BEFORE_10_6(sym)
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#define NEVER_HERE(sym)
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#else
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#define NOT_HERE_BEFORE_10_6(sym) \
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extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp4 = 0; \
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extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp5 = 0;
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#define NEVER_HERE(sym) \
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extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp4 = 0; \
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extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp5 = 0; \
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extern const char sym##_tmp6 __asm("$ld$hide$os10.6$_" #sym ); \
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__attribute__((visibility("default"))) const char sym##_tmp6 = 0;
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#endif
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#if defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)
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//
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// symbols in libSystem.dylib in 10.6 and later, but are in libgcc_s.dylib in
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// earlier versions
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//
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NOT_HERE_BEFORE_10_6(_Unwind_DeleteException)
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NOT_HERE_BEFORE_10_6(_Unwind_Find_FDE)
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NOT_HERE_BEFORE_10_6(_Unwind_ForcedUnwind)
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NOT_HERE_BEFORE_10_6(_Unwind_GetGR)
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NOT_HERE_BEFORE_10_6(_Unwind_GetIP)
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NOT_HERE_BEFORE_10_6(_Unwind_GetLanguageSpecificData)
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NOT_HERE_BEFORE_10_6(_Unwind_GetRegionStart)
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NOT_HERE_BEFORE_10_6(_Unwind_RaiseException)
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NOT_HERE_BEFORE_10_6(_Unwind_Resume)
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NOT_HERE_BEFORE_10_6(_Unwind_SetGR)
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NOT_HERE_BEFORE_10_6(_Unwind_SetIP)
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NOT_HERE_BEFORE_10_6(_Unwind_Backtrace)
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NOT_HERE_BEFORE_10_6(_Unwind_FindEnclosingFunction)
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NOT_HERE_BEFORE_10_6(_Unwind_GetCFA)
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NOT_HERE_BEFORE_10_6(_Unwind_GetDataRelBase)
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NOT_HERE_BEFORE_10_6(_Unwind_GetTextRelBase)
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NOT_HERE_BEFORE_10_6(_Unwind_Resume_or_Rethrow)
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NOT_HERE_BEFORE_10_6(_Unwind_GetIPInfo)
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NOT_HERE_BEFORE_10_6(__register_frame)
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NOT_HERE_BEFORE_10_6(__deregister_frame)
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//
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// symbols in libSystem.dylib for compatibility, but we don't want any new code
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// using them
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//
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NEVER_HERE(__register_frame_info_bases)
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NEVER_HERE(__register_frame_info)
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NEVER_HERE(__register_frame_info_table_bases)
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NEVER_HERE(__register_frame_info_table)
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NEVER_HERE(__register_frame_table)
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NEVER_HERE(__deregister_frame_info)
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NEVER_HERE(__deregister_frame_info_bases)
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#endif // defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)
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#if defined(_LIBUNWIND_BUILD_SJLJ_APIS)
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//
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// symbols in libSystem.dylib in iOS 5.0 and later, but are in libgcc_s.dylib in
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// earlier versions
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//
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NOT_HERE_BEFORE_5_0(_Unwind_GetLanguageSpecificData)
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NOT_HERE_BEFORE_5_0(_Unwind_GetRegionStart)
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NOT_HERE_BEFORE_5_0(_Unwind_GetIP)
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NOT_HERE_BEFORE_5_0(_Unwind_SetGR)
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NOT_HERE_BEFORE_5_0(_Unwind_SetIP)
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NOT_HERE_BEFORE_5_0(_Unwind_DeleteException)
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NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Register)
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NOT_HERE_BEFORE_5_0(_Unwind_GetGR)
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NOT_HERE_BEFORE_5_0(_Unwind_GetIPInfo)
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NOT_HERE_BEFORE_5_0(_Unwind_GetCFA)
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NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Resume)
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NOT_HERE_BEFORE_5_0(_Unwind_SjLj_RaiseException)
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NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Resume_or_Rethrow)
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NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Unregister)
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#endif // defined(_LIBUNWIND_BUILD_SJLJ_APIS)
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