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62905805b1
These should exist in all toolchains LLVM supports nowadays. Enables making DataTypes.h a regular header instead of a .h.cmake file and allows deleting a bunch of cmake goop (which should also speed up cmake configure time a bit). All the code this removes is 9+ years old. https://reviews.llvm.org/D45155 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328970 91177308-0d34-0410-b5e6-96231b3b80d8
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/*===-- include/llvm-c/DataTypes.h - Define fixed size types ------*- C -*-===*\
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|* *|
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|* The LLVM Compiler Infrastructure *|
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|* *|
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|* This file is distributed under the University of Illinois Open Source *|
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|* License. See LICENSE.TXT for details. *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file contains definitions to figure out the size of _HOST_ data types.*|
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|* This file is important because different host OS's define different macros,*|
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|* which makes portability tough. This file exports the following *|
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|* definitions: *|
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|* *|
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|* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
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|* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *|
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|* *|
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|* No library is required when using these functions. *|
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|* *|
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|*===----------------------------------------------------------------------===*/
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/* Please leave this file C-compatible. */
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#ifndef LLVM_C_DATATYPES_H
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#define LLVM_C_DATATYPES_H
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#ifdef __cplusplus
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#include <cmath>
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#else
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#include <math.h>
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#endif
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#include <inttypes.h>
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#include <stdint.h>
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#ifndef _MSC_VER
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#if !defined(UINT32_MAX)
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# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
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"__STDC_LIMIT_MACROS before #including llvm-c/DataTypes.h"
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#endif
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#if !defined(UINT32_C)
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# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
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"__STDC_CONSTANT_MACROS before #including llvm-c/DataTypes.h"
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#endif
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/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
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#include <sys/types.h>
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#ifdef _AIX
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// GCC is strict about defining large constants: they must have LL modifier.
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#undef INT64_MAX
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#undef INT64_MIN
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#endif
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#else /* _MSC_VER */
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#ifdef __cplusplus
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#include <cstddef>
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#include <cstdlib>
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#else
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#include <stddef.h>
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#include <stdlib.h>
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#endif
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#include <sys/types.h>
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#if defined(_WIN64)
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typedef signed __int64 ssize_t;
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#else
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typedef signed int ssize_t;
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#endif /* _WIN64 */
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#endif /* _MSC_VER */
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/* Set defaults for constants which we cannot find. */
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#if !defined(INT64_MAX)
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# define INT64_MAX 9223372036854775807LL
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#endif
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#if !defined(INT64_MIN)
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# define INT64_MIN ((-INT64_MAX)-1)
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#endif
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#if !defined(UINT64_MAX)
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# define UINT64_MAX 0xffffffffffffffffULL
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#endif
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#ifndef HUGE_VALF
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#define HUGE_VALF (float)HUGE_VAL
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#endif
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#endif /* LLVM_C_DATATYPES_H */
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