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linux-user/sparc: Don't restore %g7 in sparc64_set_context()

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The kernel does not restore the g7 register in sparc64_set_context();
neither should we. (We still save it in sparc64_get_context().)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201106152738.26026-4-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Peter Maydell 2020-11-06 15:27:37 +00:00 committed by Laurent Vivier
parent 309abce236
commit 0ad20314f1
1 changed files with 1 additions and 1 deletions
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2
linux-user/sparc/signal.c
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@ -447,7 +447,7 @@ void sparc64_set_context(CPUSPARCState *env)
__get_user(env->gregs[4], (&(*grp)[SPARC_MC_G4]));
__get_user(env->gregs[5], (&(*grp)[SPARC_MC_G5]));
__get_user(env->gregs[6], (&(*grp)[SPARC_MC_G6]));
__get_user(env->gregs[7], (&(*grp)[SPARC_MC_G7]));
/* Skip g7 as that's the thread register in userspace */
/*
* Note that unlike the kernel, we didn't need to mess with the