From 0d60175bd684cf6a14f750579d82dbd1ba97fcbc Mon Sep 17 00:00:00 2001 From: Anand Avati Date: Wed, 6 Mar 2013 01:11:59 -0800 Subject: contrib/qemu: Import qemu block source code This qemu block format source code and its minimal dependency files will be used in the next patch to implement a qemu-block format translator. Change-Id: Ic87638972f7ea9b3df84d7a0539512a250c11c1c BUG: 986775 Signed-off-by: Anand Avati Reviewed-on: http://review.gluster.org/5366 Tested-by: Gluster Build System Reviewed-by: Brian Foster --- contrib/qemu/include/qemu/compiler.h | 55 ++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 contrib/qemu/include/qemu/compiler.h (limited to 'contrib/qemu/include/qemu/compiler.h') diff --git a/contrib/qemu/include/qemu/compiler.h b/contrib/qemu/include/qemu/compiler.h new file mode 100644 index 00000000000..155b358964a --- /dev/null +++ b/contrib/qemu/include/qemu/compiler.h @@ -0,0 +1,55 @@ +/* public domain */ + +#ifndef COMPILER_H +#define COMPILER_H + +#include "config-host.h" + +/*---------------------------------------------------------------------------- +| The macro QEMU_GNUC_PREREQ tests for minimum version of the GNU C compiler. +| The code is a copy of SOFTFLOAT_GNUC_PREREQ, see softfloat-macros.h. +*----------------------------------------------------------------------------*/ +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +# define QEMU_GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +# define QEMU_GNUC_PREREQ(maj, min) 0 +#endif + +#define QEMU_NORETURN __attribute__ ((__noreturn__)) + +#if QEMU_GNUC_PREREQ(3, 4) +#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) +#else +#define QEMU_WARN_UNUSED_RESULT +#endif + +#if defined(_WIN32) +# define QEMU_PACKED __attribute__((gcc_struct, packed)) +#else +# define QEMU_PACKED __attribute__((packed)) +#endif + +#define cat(x,y) x ## y +#define cat2(x,y) cat(x,y) +#define QEMU_BUILD_BUG_ON(x) \ + typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); + +#if defined __GNUC__ +# if !QEMU_GNUC_PREREQ(4, 4) + /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ +# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) +# else + /* Use gnu_printf when supported (qemu uses standard format strings). */ +# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) +# if defined(_WIN32) + /* Map __printf__ to __gnu_printf__ because we want standard format strings + * even when MinGW or GLib include files use __printf__. */ +# define __printf__ __gnu_printf__ +# endif +# endif +#else +#define GCC_FMT_ATTR(n, m) +#endif + +#endif /* COMPILER_H */ -- cgit