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ef8821e5db
It seems there have only been a small amount to the compiler-rt source code in the mean time. I'd rather have the code in sync as much as possible by the time we release 9.0. Changes: - The libcompiler_rt library is now dual licensed under both the University of Illinois "BSD-Like" license and the MIT license. - Our local modifications for using .hidden instead of .private_extern have been upstreamed, meaning our changes to lib/assembly.h can now be reverted. - A possible endless recursion in __modsi3() has been fixed. - Support for ARM EABI has been added, but it has no effect on FreeBSD (yet). - The functions __udivmodsi4 and __divmodsi4 have been added. Requested by: many, including bf@ and Pedro Giffuni
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* ===-- assembly.h - compiler-rt assembler support macros -----------------===
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*
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* The LLVM Compiler Infrastructure
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*
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* This file is dual licensed under the MIT and the University of Illinois Open
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* Source Licenses. See LICENSE.TXT for details.
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*
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* ===----------------------------------------------------------------------===
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*
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* This file defines macros for use in compiler-rt assembler source.
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* This file is not part of the interface of this library.
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*
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* ===----------------------------------------------------------------------===
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*/
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#ifndef COMPILERRT_ASSEMBLY_H
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#define COMPILERRT_ASSEMBLY_H
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#if defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__)
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#define SEPARATOR @
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#else
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#define SEPARATOR ;
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#endif
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#if defined(__APPLE__)
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#define HIDDEN_DIRECTIVE .private_extern
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#define LOCAL_LABEL(name) L_##name
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#else
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#define HIDDEN_DIRECTIVE .hidden
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#define LOCAL_LABEL(name) .L_##name
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#endif
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#define GLUE2(a, b) a ## b
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#define GLUE(a, b) GLUE2(a, b)
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#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name)
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#ifdef VISIBILITY_HIDDEN
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#define DEFINE_COMPILERRT_FUNCTION(name) \
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.globl SYMBOL_NAME(name) SEPARATOR \
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HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR \
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SYMBOL_NAME(name):
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#else
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#define DEFINE_COMPILERRT_FUNCTION(name) \
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.globl SYMBOL_NAME(name) SEPARATOR \
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SYMBOL_NAME(name):
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#endif
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#define DEFINE_COMPILERRT_PRIVATE_FUNCTION(name) \
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.globl SYMBOL_NAME(name) SEPARATOR \
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HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR \
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SYMBOL_NAME(name):
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#define DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(name) \
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.globl name SEPARATOR \
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HIDDEN_DIRECTIVE name SEPARATOR \
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name:
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#define DEFINE_COMPILERRT_FUNCTION_ALIAS(name, target) \
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.globl SYMBOL_NAME(name) SEPARATOR \
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.set SYMBOL_NAME(name), SYMBOL_NAME(target) SEPARATOR
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#if defined (__ARM_EABI__)
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# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) \
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DEFINE_COMPILERRT_FUNCTION_ALIAS(aeabi_name, name)
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#else
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# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name)
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#endif
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#endif /* COMPILERRT_ASSEMBLY_H */
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