diff options
author | Anand Avati <avati@redhat.com> | 2013-03-06 01:11:59 -0800 |
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committer | Anand Avati <avati@redhat.com> | 2013-09-03 11:25:33 -0700 |
commit | 0d60175bd684cf6a14f750579d82dbd1ba97fcbc (patch) | |
tree | 1571f530548196006526442f3fc027cb623bb6fa /contrib/qemu/include/qemu/compiler.h | |
parent | 7dbfbfd3694e02b90e8f3ce509f5279da1523a02 (diff) |
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 <avati@redhat.com>
Reviewed-on: http://review.gluster.org/5366
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'contrib/qemu/include/qemu/compiler.h')
-rw-r--r-- | contrib/qemu/include/qemu/compiler.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/qemu/include/qemu/compiler.h b/contrib/qemu/include/qemu/compiler.h new file mode 100644 index 000000000..155b35896 --- /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 */ |