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linux-user/signal.c: Fix AArch64 big-endian FP register restore

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Fix the loop restoring the FP registers from the signal frame to match
the one used when setting up the signal frame, so that it handles
TARGET_WORDS_BIGENDIAN being set.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Peter Maydell 2014-03-02 19:36:38 +00:00 committed by Riku Voipio
parent d844a7b656
commit 4cf2348026
1 changed files with 8 additions and 2 deletions
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10
linux-user/signal.c
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@ -1233,8 +1233,14 @@ static int target_restore_sigframe(CPUARMState *env,
return 1;
}
for (i = 0; i < 32 * 2; i++) {
__get_user(env->vfp.regs[i], &aux->fpsimd.vregs[i]);
for (i = 0; i < 32; i++) {
#ifdef TARGET_WORDS_BIGENDIAN
__get_user(env->vfp.regs[i * 2], &aux->fpsimd.vregs[i * 2 + 1]);
__get_user(env->vfp.regs[i * 2 + 1], &aux->fpsimd.vregs[i * 2]);
#else
__get_user(env->vfp.regs[i * 2], &aux->fpsimd.vregs[i * 2]);
__get_user(env->vfp.regs[i * 2 + 1], &aux->fpsimd.vregs[i * 2 + 1]);
#endif
}
__get_user(fpsr, &aux->fpsimd.fpsr);
vfp_set_fpsr(env, fpsr);