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qemu/compiler: Define QEMU_ARTIFICIAL

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The combination of always_inline + artificial allows tiny inline
functions to be written that do not interfere with debugging.
In particular, gdb will not step into an artificial function.

The always_inline attribute was introduced in gcc 4.2,
and the artificial attribute was introduced in gcc 4.3.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-09-16 09:47:32 -07:00 committed by Richard Henderson
parent 9c53889ba3
commit 58099c8066
1 changed files with 6 additions and 0 deletions
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6
include/qemu/compiler.h
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@ -24,6 +24,12 @@
#define QEMU_WARN_UNUSED_RESULT
#endif
#if QEMU_GNUC_PREREQ(4, 3)
#define QEMU_ARTIFICIAL __attribute__((always_inline, artificial))
#else
#define QEMU_ARTIFICIAL
#endif
#if defined(_WIN32)
# define QEMU_PACKED __attribute__((gcc_struct, packed))
#else