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ppc64: Avoid pt_regs struct definition

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Remove pt_regs indirection and instead reference gp_regs directly, this
makes it portable across musl/glibc

Use PT_* constants defined in asm/ptrace.h

Move the file to ppc64 subdir and leave ppc empty

Fixes
../qemu-6.2.0/linux-user/host/ppc64/../ppc/host-signal.h:16:32: error: incomplete definition of type 'struct pt_regs'
    return uc->uc_mcontext.regs->nip;
           ~~~~~~~~~~~~~~~~~~~~^

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220315015740.847370-1-raj.khem@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Khem Raj 2022-03-20 23:35:27 +01:00 committed by Cédric Le Goater
parent 2058fdbe81
commit 9d1401b794
2 changed files with 41 additions and 39 deletions
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38
linux-user/include/host/ppc/host-signal.h
View File

@ -1,38 +0,0 @@
/*
* host-signal.h: signal info dependent on the host architecture
*
* Copyright (c) 2003-2005 Fabrice Bellard
* Copyright (c) 2021 Linaro Limited
*
* 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
/* 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

42
linux-user/include/host/ppc64/host-signal.h
View File

@ -1 +1,41 @@
#include "../ppc/host-signal.h"
/*
* host-signal.h: signal info dependent on the host architecture
*
* Copyright (c) 2003-2005 Fabrice Bellard
* Copyright (c) 2021 Linaro Limited
*
* 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
/* Needed for PT_* constants */
#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.gp_regs[PT_NIP];
}
static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
{
uc->uc_mcontext.gp_regs[PT_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.gp_regs[PT_TRAP] != 0x400
&& (uc->uc_mcontext.gp_regs[PT_DSISR] & 0x02000000);
}
#endif