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 - 2021, 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/* GCC did not support __has_attribute until 5.1. */
58
59#ifndef __has_attribute
60#define __has_attribute(x) 0
61#endif
62
63/*
64 * Explicitly mark intentional explicit fallthrough to silence
65 * -Wimplicit-fallthrough in GCC 7.1+.
66 */
67
68#if __has_attribute(__fallthrough__)
69#define ACPI_FALLTHROUGH __attribute__((__fallthrough__))
70#endif
71
72#endif				/* __ACGCC_H__ */