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Erik Strand
lufa
Commits
8f2e82bd
Commit
8f2e82bd
authored
May 29, 2012
by
Dean Camera
Browse files
Minor cleanup to Attributes.h spacing and rename old multiple-inclusion macro guard.
parent
851fcd0c
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LUFA/Common/Attributes.h
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8f2e82bd
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@@ -52,8 +52,8 @@
* @{
*/
#ifndef __LUFA_
FUNC
ATTR_H__
#define __LUFA_
FUNC
ATTR_H__
#ifndef __LUFA_ATTR_H__
#define __LUFA_ATTR_H__
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_COMMON_H)
...
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@@ -66,52 +66,52 @@
/** Indicates to the compiler that the function can not ever return, so that any stack restoring or
* return code may be omitted by the compiler in the resulting binary.
*/
#define ATTR_NO_RETURN __attribute__ ((noreturn))
#define ATTR_NO_RETURN
__attribute__ ((noreturn))
/** Indicates that the function returns a value which should not be ignored by the user code. When
* applied, any ignored return value from calling the function will produce a compiler warning.
*/
#define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
#define ATTR_WARN_UNUSED_RESULT
__attribute__ ((warn_unused_result))
/** Indicates that the specified parameters of the function are pointers which should never be \c NULL.
* When applied as a 1-based comma separated list the compiler will emit a warning if the specified
* parameters are known at compiler time to be \c NULL at the point of calling the function.
*/
#define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__)))
#define ATTR_NON_NULL_PTR_ARG(...)
__attribute__ ((nonnull (__VA_ARGS__)))
/** Removes any preamble or postamble from the function. When used, the function will not have any
* register or stack saving code. This should be used with caution, and when used the programmer
* is responsible for maintaining stack and register integrity.
*/
#define ATTR_NAKED __attribute__ ((naked))
#define ATTR_NAKED
__attribute__ ((naked))
/** Prevents the compiler from considering a specified function for in-lining. When applied, the given
* function will not be in-lined under any circumstances.
*/
#define ATTR_NO_INLINE __attribute__ ((noinline))
#define ATTR_NO_INLINE
__attribute__ ((noinline))
/** Forces the compiler to inline the specified function. When applied, the given function will be
* in-lined under all circumstances.
*/
#define ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
#define ATTR_ALWAYS_INLINE
__attribute__ ((always_inline))
/** Indicates that the specified function is pure, in that it has no side-effects other than global
* or parameter variable access.
*/
#define ATTR_PURE __attribute__ ((pure))
#define ATTR_PURE
__attribute__ ((pure))
/** Indicates that the specified function is constant, in that it has no side effects other than
* parameter access.
*/
#define ATTR_CONST __attribute__ ((const))
#define ATTR_CONST
__attribute__ ((const))
/** Marks a given function as deprecated, which produces a warning if the function is called. */
#define ATTR_DEPRECATED __attribute__ ((deprecated))
#define ATTR_DEPRECATED
__attribute__ ((deprecated))
/** Marks a function as a weak reference, which can be overridden by other functions with an
* identical name (in which case the weak reference is discarded at link time).
*/
#define ATTR_WEAK __attribute__ ((weak))
#define ATTR_WEAK
__attribute__ ((weak))
#endif
/** Forces the compiler to not automatically zero the given global variable on startup, so that the
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@@ -119,31 +119,31 @@
* behaviour of volatile memory once power is removed, but may be used in some specific circumstances,
* like the passing of values back after a system watchdog reset.
*/
#define ATTR_NO_INIT __attribute__ ((section (".noinit")))
#define ATTR_NO_INIT
__attribute__ ((section (".noinit")))
/** Places the function in one of the initialization sections, which execute before the main function
* of the application. Refer to the avr-libc manual for more information on the initialization sections.
*
* \param[in] SectionIndex Initialization section number where the function should be placed.
*/
#define ATTR_INIT_SECTION(SectionIndex) __attribute__ ((used, naked, section (".init" #SectionIndex )))
#define ATTR_INIT_SECTION(SectionIndex)
__attribute__ ((used, naked, section (".init" #SectionIndex )))
/** Marks a function as an alias for another function.
*
* \param[in] Func Name of the function which the given function name should alias.
*/
#define ATTR_ALIAS(Func) __attribute__ ((alias( #Func )))
#define ATTR_ALIAS(Func)
__attribute__ ((alias( #Func )))
/** Marks a variable or struct element for packing into the smallest space available, omitting any
* alignment bytes usually added between fields to optimize field accesses.
*/
#define ATTR_PACKED __attribute__ ((packed))
#define ATTR_PACKED
__attribute__ ((packed))
/** Indicates the minimum alignment in bytes for a variable or struct element.
*
* \param[in] Bytes Minimum number of bytes the item should be aligned to.
*/
#define ATTR_ALIGNED(Bytes) __attribute__ ((aligned(Bytes)))
#define ATTR_ALIGNED(Bytes)
__attribute__ ((aligned(Bytes)))
#endif
/** @} */
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