diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu-common.h | 2 | ||||
| -rw-r--r-- | include/qemu/compiler.h | 15 | ||||
| -rw-r--r-- | include/qom/cpu.h | 11 |
3 files changed, 27 insertions, 1 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h index 85f4749aef..ed60ba251d 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -17,7 +17,7 @@ #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) /* Copyright string for -version arguments, About dialogs, etc */ -#define QEMU_COPYRIGHT "Copyright (c) 2003-2017 " \ +#define QEMU_COPYRIGHT "Copyright (c) 2003-2018 " \ "Fabrice Bellard and the QEMU Project developers" /* Bug reporting information for --help arguments, About dialogs, etc */ diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index bf47e7bee4..66f8c241dc 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -131,6 +131,21 @@ #define HAS_ASSUME_ALIGNED #endif +#ifndef __has_attribute +#define __has_attribute(x) 0 /* compatibility with older GCC */ +#endif + +/* + * GCC doesn't provide __has_attribute() until GCC 5, but we know all the GCC + * versions we support have the "flatten" attribute. Clang may not have the + * "flatten" attribute but always has __has_attribute() to check for it. + */ +#if __has_attribute(flatten) || !defined(__clang__) +# define QEMU_FLATTEN __attribute__((flatten)) +#else +# define QEMU_FLATTEN +#endif + /* Implement C11 _Generic via GCC builtins. Example: * * QEMU_GENERIC(x, (float, sinf), (long double, sinl), sin) (x) diff --git a/include/qom/cpu.h b/include/qom/cpu.h index dc130cd307..4e238b0d9f 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -1085,6 +1085,17 @@ void cpu_exec_initfn(CPUState *cpu); void cpu_exec_realizefn(CPUState *cpu, Error **errp); void cpu_exec_unrealizefn(CPUState *cpu); +/** + * target_words_bigendian: + * Returns true if the (default) endianness of the target is big endian, + * false otherwise. Note that in target-specific code, you can use + * TARGET_WORDS_BIGENDIAN directly instead. On the other hand, common + * code should normally never need to know about the endianness of the + * target, so please do *not* use this function unless you know very well + * what you are doing! + */ +bool target_words_bigendian(void); + #ifdef NEED_CPU_H #ifdef CONFIG_SOFTMMU |