1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
 2/******************************************************************************
 3 *
 4 * Name: acgcc.h - GCC specific defines, etc.
 5 *
 6 * Copyright (C) 2000 - 2019, Intel Corp.
 7 *
 8 *****************************************************************************/
 9
10#ifndef __ACGCC_H__
11#define __ACGCC_H__
12
13/*
14 * Use compiler specific <stdarg.h> is a good practice for even when
15 * -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
16 */
17#ifndef va_arg
18#ifdef ACPI_USE_BUILTIN_STDARG
19typedef __builtin_va_list va_list;
20#define va_start(v, l)          __builtin_va_start(v, l)
21#define va_end(v)               __builtin_va_end(v)
22#define va_arg(v, l)            __builtin_va_arg(v, l)
23#define va_copy(d, s)           __builtin_va_copy(d, s)
24#else
25#include <stdarg.h>
26#endif
27#endif
28
29#define ACPI_INLINE             __inline__
30
31/* Function name is used for debug output. Non-ANSI, compiler-dependent */
32
33#define ACPI_GET_FUNCTION_NAME          __func__
34
35/*
36 * This macro is used to tag functions as "printf-like" because
37 * some compilers (like GCC) can catch printf format string problems.
38 */
39#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
40
41/*
42 * Some compilers complain about unused variables. Sometimes we don't want to
43 * use all the variables (for example, _acpi_module_name). This allows us
44 * to tell the compiler warning in a per-variable manner that a variable
45 * is unused.
46 */
47#define ACPI_UNUSED_VAR __attribute__ ((unused))
48
49/* GCC supports __VA_ARGS__ in macros */
50
51#define COMPILER_VA_MACRO               1
52
53/* GCC supports native multiply/shift on 32-bit platforms */
54
55#define ACPI_USE_NATIVE_MATH64
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
56
57#endif				/* __ACGCC_H__ */

 1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
 2/******************************************************************************
 3 *
 4 * Name: acgcc.h - GCC specific defines, etc.
 5 *
 6 * Copyright (C) 2000 - 2023, Intel Corp.
 7 *
 8 *****************************************************************************/
 9
10#ifndef __ACGCC_H__
11#define __ACGCC_H__
12
 
 
 
 
13#ifndef va_arg
14#ifdef __KERNEL__
15#include <linux/stdarg.h>
 
 
 
 
16#else
17#include <stdarg.h>
18#endif /* __KERNEL__ */
19#endif /* ! va_arg */
20
21#define ACPI_INLINE             __inline__
22
23/* Function name is used for debug output. Non-ANSI, compiler-dependent */
24
25#define ACPI_GET_FUNCTION_NAME          __func__
26
27/*
28 * This macro is used to tag functions as "printf-like" because
29 * some compilers (like GCC) can catch printf format string problems.
30 */
31#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
32
33/*
34 * Some compilers complain about unused variables. Sometimes we don't want to
35 * use all the variables (for example, _acpi_module_name). This allows us
36 * to tell the compiler warning in a per-variable manner that a variable
37 * is unused.
38 */
39#define ACPI_UNUSED_VAR __attribute__ ((unused))
40
41/* GCC supports __VA_ARGS__ in macros */
42
43#define COMPILER_VA_MACRO               1
44
45/* GCC supports native multiply/shift on 32-bit platforms */
46
47#define ACPI_USE_NATIVE_MATH64
48
49/* GCC did not support __has_attribute until 5.1. */
50
51#ifndef __has_attribute
52#define __has_attribute(x) 0
53#endif
54
55/*
56 * Explicitly mark intentional explicit fallthrough to silence
57 * -Wimplicit-fallthrough in GCC 7.1+.
58 */
59
60#if __has_attribute(__fallthrough__)
61#define ACPI_FALLTHROUGH __attribute__((__fallthrough__))
62#endif
63
64/*
65 * Flexible array members are not allowed to be part of a union under
66 * C99, but this is not for any technical reason. Work around the
67 * limitation.
68 */
69#define ACPI_FLEX_ARRAY(TYPE, NAME)             \
70        struct {                                \
71                struct { } __Empty_ ## NAME;    \
72                TYPE NAME[];                    \
73        }
74
75#endif				/* __ACGCC_H__ */