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osdep.h: move qemu_build_not_reached()

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Move the macro and declaration so it can use glib in the following
patch (it already depends on glib anyway for !optimize)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220420132624.2439741-19-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2022-04-20 17:26:01 +04:00
parent 1812a2d366
commit 94ae6b579d
2 changed files with 16 additions and 16 deletions
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16
include/qemu/compiler.h
View File

@ -156,22 +156,6 @@
#define QEMU_ALWAYS_INLINE
#endif
/**
* qemu_build_not_reached()
*
* The compiler, during optimization, is expected to prove that a call
* to this function cannot be reached and remove it. If the compiler
* supports QEMU_ERROR, this will be reported at compile time; otherwise
* this will be reported at link time due to the missing symbol.
*/
extern void QEMU_NORETURN QEMU_ERROR("code path is reachable")
qemu_build_not_reached_always(void);
#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
#define qemu_build_not_reached() qemu_build_not_reached_always()
#else
#define qemu_build_not_reached() g_assert_not_reached()
#endif
/**
* In most cases, normal "fallthrough" comments are good enough for
* switch-case statements, but sometimes the compiler has problems

16
include/qemu/osdep.h
View File

@ -169,6 +169,22 @@ extern "C" {
#define assert(x) g_assert(x)
#endif
/**
* qemu_build_not_reached()
*
* The compiler, during optimization, is expected to prove that a call
* to this function cannot be reached and remove it. If the compiler
* supports QEMU_ERROR, this will be reported at compile time; otherwise
* this will be reported at link time due to the missing symbol.
*/
extern void QEMU_NORETURN QEMU_ERROR("code path is reachable")
qemu_build_not_reached_always(void);
#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
#define qemu_build_not_reached() qemu_build_not_reached_always()
#else
#define qemu_build_not_reached() g_assert_not_reached()
#endif
/*
* According to waitpid man page:
* WCOREDUMP