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65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
#ifndef _PPC64_PPC32_H
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#define _PPC64_PPC32_H
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#include <linux/compat.h>
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#include <asm/siginfo.h>
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#include <asm/signal.h>
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/*
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* Data types and macros for providing 32b PowerPC support.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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/* These are here to support 32-bit syscalls on a 64-bit kernel. */
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struct pt_regs32 {
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unsigned int gpr[32];
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unsigned int nip;
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unsigned int msr;
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unsigned int orig_gpr3; /* Used for restarting system calls */
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unsigned int ctr;
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unsigned int link;
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unsigned int xer;
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unsigned int ccr;
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unsigned int mq; /* 601 only (not used at present) */
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unsigned int trap; /* Reason for being here */
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unsigned int dar; /* Fault registers */
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unsigned int dsisr;
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unsigned int result; /* Result of a system call */
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};
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struct sigcontext32 {
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unsigned int _unused[4];
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int signal;
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compat_uptr_t handler;
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unsigned int oldmask;
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compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
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};
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struct mcontext32 {
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elf_gregset_t32 mc_gregs;
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elf_fpregset_t mc_fregs;
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unsigned int mc_pad[2];
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elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
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elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16)));
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};
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struct ucontext32 {
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unsigned int uc_flags;
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unsigned int uc_link;
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compat_stack_t uc_stack;
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int uc_pad[7];
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compat_uptr_t uc_regs; /* points to uc_mcontext field */
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compat_sigset_t uc_sigmask; /* mask last for extensibility */
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/* glibc has 1024-bit signal masks, ours are 64-bit */
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int uc_maskext[30];
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int uc_pad2[3];
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struct mcontext32 uc_mcontext;
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};
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#endif /* _PPC64_PPC32_H */
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