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| author | Richard Henderson | 2021-01-14 21:04:04 +0100 |
|---|---|---|
| committer | Richard Henderson | 2021-01-22 23:48:01 +0100 |
| commit | c52ea111e0ea2d5368a3ae601baafaae75e3317f (patch) | |
| tree | 2692f6d7115cc1ed0bef72864258fb75de92406c /include/qemu | |
| parent | tcg: update the cpu running flag in cpu_exec_step_atomic (diff) | |
| download | qemu-c52ea111e0ea2d5368a3ae601baafaae75e3317f.tar.gz qemu-c52ea111e0ea2d5368a3ae601baafaae75e3317f.tar.xz qemu-c52ea111e0ea2d5368a3ae601baafaae75e3317f.zip | |
qemu/compiler: Split out qemu_build_not_reached_always
Provide a symbol that can always be used to signal an error,
regardless of optimization. Usage of this should be protected
by e.g. __builtin_constant_p, which guards for optimization.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/qemu')
| -rw-r--r-- | include/qemu/compiler.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index d620a841e4..cf28bb2bcd 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -215,9 +215,10 @@ * supports QEMU_ERROR, this will be reported at compile time; otherwise * this will be reported at link time due to the missing symbol. */ -#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__) extern void QEMU_NORETURN QEMU_ERROR("code path is reachable") - qemu_build_not_reached(void); + 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 |