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3 Commits

Author SHA1 Message Date
WANG Xuerui
6016b7b46e common-user: Add safe syscall handling for loongarch64 hosts 
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211221054105.178795-29-git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2021-12-21 13:17:06 -08:00
Richard Henderson
5bfd125ec8 common-user: Adjust system call return on FreeBSD 
FreeBSD system calls return positive errno.  On the 4 hosts for
which we have support, error is indicated by the C bit set or clear.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2021-12-20 10:12:29 -08:00
Richard Henderson
bbf15aaf7c common-user: Move safe-syscall.* from linux-user 
Move linux-user safe-syscall.S and safe-syscall-error.c to common-user
so that bsd-user can also use it.  Also move safe-syscall.h to
include/user/.  Since there is nothing here that is related to the guest,
as opposed to the host, build it once.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2021-12-20 10:12:24 -08:00