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List:       qemu-ppc
Subject:    Re: [PATCH 2/2] linux-user: Implment host/ppc/host-signal.h
From:       Daniel Henrique Barboza <danielhb413 () gmail ! com>
Date:       2022-07-30 10:39:34
Message-ID: 8689fe2a-c32f-6248-8ebe-b645dca165d0 () gmail ! com
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commit title typo: "Implment"

On 7/29/22 14:21, Richard Henderson wrote:
> This commit re-enables ppc32 as a linux-user host,
> as existance of the directory is noted by configure.

s/existance/existence

> 
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1097
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>


>   linux-user/include/host/ppc/host-signal.h | 39 +++++++++++++++++++++++
>   1 file changed, 39 insertions(+)
>   create mode 100644 linux-user/include/host/ppc/host-signal.h
> 
> diff --git a/linux-user/include/host/ppc/host-signal.h b/linux-user/include/host/ppc/host-signal.h
> new file mode 100644
> index 0000000000..de25c803f5
> --- /dev/null
> +++ b/linux-user/include/host/ppc/host-signal.h
> @@ -0,0 +1,39 @@
> +/*
> + * host-signal.h: signal info dependent on the host architecture
> + *
> + * Copyright (c) 2022 Linaro Ltd.
> + *
> + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
> + * See the COPYING file in the top-level directory.
> + */
> +
> +#ifndef PPC_HOST_SIGNAL_H
> +#define PPC_HOST_SIGNAL_H
> +
> +#include <asm/ptrace.h>
> +
> +/* The third argument to a SA_SIGINFO handler is ucontext_t. */
> +typedef ucontext_t host_sigcontext;
> +
> +static inline uintptr_t host_signal_pc(host_sigcontext *uc)
> +{
> +    return uc->uc_mcontext.regs->nip;
> +}
> +
> +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
> +{
> +    uc->uc_mcontext.regs->nip = pc;
> +}
> +
> +static inline void *host_signal_mask(host_sigcontext *uc)
> +{
> +    return &uc->uc_sigmask;
> +}
> +
> +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
> +{
> +    return uc->uc_mcontext.regs->trap != 0x400
> +        && (uc->uc_mcontext.regs->dsisr & 0x02000000);
> +}
> +
> +#endif

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