linux-user: Use target_restore_altstack in all sigreturn
commit56384cf3adaeb15bab479be328605e301ae253f2
authorRichard Henderson <richard.henderson@linaro.org>
Mon, 26 Apr 2021 02:53:11 +0000 (25 19:53 -0700)
committerLaurent Vivier <laurent@vivier.eu>
Sat, 15 May 2021 19:43:23 +0000 (15 21:43 +0200)
tree21e7e2d6cd96a0b2da2879ea30488b6e39845356
parent92bad948367c4b8a58f6bb81b45750f1d583f274
linux-user: Use target_restore_altstack in all sigreturn

Note that target_restore_altstack uses the host memory
pointer that we have already verified, so TARGET_EFAULT
is not a possible return value.

Note that using -EFAULT was a bug.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210426025334.1168495-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
16 files changed:
linux-user/aarch64/signal.c
linux-user/alpha/signal.c
linux-user/arm/signal.c
linux-user/hexagon/signal.c
linux-user/hppa/signal.c
linux-user/i386/signal.c
linux-user/m68k/signal.c
linux-user/microblaze/signal.c
linux-user/mips/signal.c
linux-user/nios2/signal.c
linux-user/openrisc/signal.c
linux-user/ppc/signal.c
linux-user/riscv/signal.c
linux-user/s390x/signal.c
linux-user/sh4/signal.c
linux-user/xtensa/signal.c