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https://github.com/ibm-s390-linux/s390-tools.git
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49faa1d7fd
The macro will be used in the next patch and makes checkpatch happy. Reviewed-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Reviewed-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*
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* s390-tools/include/zt_common.h
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* common s390-tools definitions.
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*
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* Copyright IBM Corp. 2004, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*
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*/
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#ifndef LIB_ZT_COMMON_H
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#define LIB_ZT_COMMON_H
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#define STRINGIFY_1(x) #x
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#define STRINGIFY(x) STRINGIFY_1(x)
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/* Use this macro to make constant macros usable in both assembler and
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* C code.
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*
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* Usage example:
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* #define IMAGE_ENTRY _AC(0x10000, UL)
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*/
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#ifndef _AC
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#ifdef __ASSEMBLER__
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#define _AC(X, TYPE) X
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#else
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#define _AC(X, TYPE) X##TYPE
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#endif
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#endif
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#ifndef __ASSEMBLER__
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#ifndef sizeof_field
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#define sizeof_field(type, field) (sizeof((type *)0)->field)
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#endif
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#ifdef UNUSED
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#elif defined(__GNUC__)
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# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
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#else
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# define UNUSED(x) x
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#endif
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#ifdef STATIC_ASSERT
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#elif defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 6) || __GNUC__ >= 5)
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# define STATIC_ASSERT(test) _Static_assert((test), "(" #test ") failed");
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#else
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# define STATIC_ASSERT(test)
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#endif
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#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
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#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#ifndef ROUNDUP
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# define ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
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#endif
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#define RELEASE_STRING STRINGIFY (S390_TOOLS_RELEASE)
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#define TOOLS_LIBDIR STRINGIFY (S390_TOOLS_LIBDIR)
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#define TOOLS_SYSCONFDIR STRINGIFY (S390_TOOLS_SYSCONFDIR)
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#define TOOLS_BINDIR STRINGIFY (S390_TOOLS_BINDIR)
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#define TOOLS_DATADIR STRINGIFY (S390_TOOLS_DATADIR)
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#define __used __attribute__((used))
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#define __noreturn __attribute__((noreturn))
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#define __packed __attribute__((packed))
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#define __aligned(x) __attribute__((aligned(x)))
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#define __may_alias __attribute__((may_alias))
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#define __section(x) __attribute__((__section__(#x)))
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#define __noinline __attribute__((__noinline__))
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#define __big_endian
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/* The Linux kernel (in stddef.h) and glibc (sys/cdefs.h) define
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* __always_inline. Therefore undefine it first to allow the headers
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* to be included first.
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*/
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#undef __always_inline
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#define __always_inline inline __attribute__((always_inline))
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#define __pa32(x) ((uint32_t)(unsigned long)(x))
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#define __pa(x) ((unsigned long)(x))
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#define barrier() __asm__ __volatile__("": : :"memory")
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#undef MIN
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#define MIN(x, y) \
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({ \
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__typeof__(x) _x = (x); \
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__typeof__(y) _y = (y); \
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\
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_x < _y ? _x : _y; \
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})
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#undef MAX
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#define MAX(x, y) \
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({ \
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__typeof__(x) _x = (x); \
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__typeof__(y) _y = (y); \
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\
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_x > _y ? _x : _y; \
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})
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typedef unsigned long long u64;
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typedef signed long long s64;
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typedef unsigned int u32;
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typedef signed int s32;
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typedef unsigned short int u16;
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typedef signed short int s16;
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typedef unsigned char u8;
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typedef signed char s8;
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#endif /* __ASSEMBLER__ */
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#endif /* LIB_ZT_COMMON_H */
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