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authorPeter Maydell <peter.maydell@linaro.org>2020-11-06 15:27:37 +0000
committerLaurent Vivier <laurent@vivier.eu>2020-12-18 11:23:29 +0100
commit0ad20314f1e11acaeedcb14135b178a5711766f5 (patch)
tree32910573f99631916d4af3106ccb6131e50b9ef1
parent309abce23658c0142430440c7ad1be2a02170ed0 (diff)
downloadqemu-0ad20314f1e11acaeedcb14135b178a5711766f5.zip
linux-user/sparc: Don't restore %g7 in sparc64_set_context()
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>
-rw-r--r--linux-user/sparc/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c
index 58b48afe29..d92e096caf 100644
--- a/linux-user/sparc/signal.c
+++ b/linux-user/sparc/signal.c
@@ -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