bsd-user: Define TARGET_SIGSTACK_ALIGN and use it to round stack

Most (all?) targets require stacks to be properly aligned. Rather than a
series of ifdefs in bsd-user/signal.h, instead use a mandito

bsd-user: Define TARGET_SIGSTACK_ALIGN and use it to round stack

Most (all?) targets require stacks to be properly aligned. Rather than a
series of ifdefs in bsd-user/signal.h, instead use a manditory #define
for all architectures.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/arm: Move feature test functions to their own header

The feature test functions isar_feature_*() now take up nearly
a thousand lines in target/arm/cpu.h. This header file is included
by a lot

target/arm: Move feature test functions to their own header

The feature test functions isar_feature_*() now take up nearly
a thousand lines in target/arm/cpu.h. This header file is included
by a lot of source files, most of which don't need these functions.
Move the feature test functions to their own header file.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231024163510.2972081-2-peter.maydell@linaro.org

show more ...