mirror of
https://sourceware.org/git/glibc.git
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Use x86_64 sys/{ucontext,user}.h for i386 and x86_64
This commit is contained in:
H.J. Lu
246
sysdeps/unix/sysv/linux/x86/sys/ucontext.h
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246
sysdeps/unix/sysv/linux/x86/sys/ucontext.h
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/* Copyright (C) 2001-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <signal.h>
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/* We need the signal context definitions even if they are not used
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included in <signal.h>. */
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#include <bits/sigcontext.h>
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#ifdef __x86_64__
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/* Type for general register. */
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__extension__ typedef long long int greg_t;
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/* Number of general registers. */
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#define NGREG 23
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/* Container for all general registers. */
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typedef greg_t gregset_t[NGREG];
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#ifdef __USE_GNU
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/* Number of each register in the `gregset_t' array. */
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enum
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{
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REG_R8 = 0,
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# define REG_R8 REG_R8
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REG_R9,
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# define REG_R9 REG_R9
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REG_R10,
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# define REG_R10 REG_R10
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REG_R11,
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# define REG_R11 REG_R11
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REG_R12,
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# define REG_R12 REG_R12
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REG_R13,
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# define REG_R13 REG_R13
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REG_R14,
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# define REG_R14 REG_R14
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REG_R15,
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# define REG_R15 REG_R15
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REG_RDI,
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# define REG_RDI REG_RDI
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REG_RSI,
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# define REG_RSI REG_RSI
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REG_RBP,
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# define REG_RBP REG_RBP
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REG_RBX,
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# define REG_RBX REG_RBX
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REG_RDX,
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# define REG_RDX REG_RDX
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REG_RAX,
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# define REG_RAX REG_RAX
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REG_RCX,
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# define REG_RCX REG_RCX
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REG_RSP,
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# define REG_RSP REG_RSP
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REG_RIP,
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# define REG_RIP REG_RIP
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REG_EFL,
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# define REG_EFL REG_EFL
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REG_CSGSFS, /* Actually short cs, gs, fs, __pad0. */
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# define REG_CSGSFS REG_CSGSFS
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REG_ERR,
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# define REG_ERR REG_ERR
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REG_TRAPNO,
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# define REG_TRAPNO REG_TRAPNO
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REG_OLDMASK,
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# define REG_OLDMASK REG_OLDMASK
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REG_CR2
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# define REG_CR2 REG_CR2
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};
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#endif
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struct _libc_fpxreg
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{
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unsigned short int significand[4];
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unsigned short int exponent;
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unsigned short int padding[3];
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};
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struct _libc_xmmreg
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{
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__uint32_t element[4];
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};
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struct _libc_fpstate
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{
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/* 64-bit FXSAVE format. */
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__uint16_t cwd;
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__uint16_t swd;
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__uint16_t ftw;
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__uint16_t fop;
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__uint64_t rip;
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__uint64_t rdp;
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__uint32_t mxcsr;
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__uint32_t mxcr_mask;
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struct _libc_fpxreg _st[8];
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struct _libc_xmmreg _xmm[16];
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__uint32_t padding[24];
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};
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/* Structure to describe FPU registers. */
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typedef struct _libc_fpstate *fpregset_t;
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/* Context to describe whole processor state. */
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typedef struct
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{
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gregset_t gregs;
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/* Note that fpregs is a pointer. */
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fpregset_t fpregs;
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__extension__ unsigned long long __reserved1 [8];
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long int uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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__sigset_t uc_sigmask;
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#else /* !__x86_64__ */
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/* Type for general register. */
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typedef int greg_t;
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/* Number of general registers. */
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#define NGREG 19
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/* Container for all general registers. */
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typedef greg_t gregset_t[NGREG];
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#ifdef __USE_GNU
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/* Number of each register is the `gregset_t' array. */
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enum
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{
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REG_GS = 0,
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# define REG_GS REG_GS
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REG_FS,
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# define REG_FS REG_FS
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REG_ES,
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# define REG_ES REG_ES
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REG_DS,
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# define REG_DS REG_DS
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REG_EDI,
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# define REG_EDI REG_EDI
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REG_ESI,
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# define REG_ESI REG_ESI
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REG_EBP,
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# define REG_EBP REG_EBP
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REG_ESP,
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# define REG_ESP REG_ESP
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REG_EBX,
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# define REG_EBX REG_EBX
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REG_EDX,
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# define REG_EDX REG_EDX
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REG_ECX,
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# define REG_ECX REG_ECX
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REG_EAX,
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# define REG_EAX REG_EAX
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REG_TRAPNO,
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# define REG_TRAPNO REG_TRAPNO
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REG_ERR,
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# define REG_ERR REG_ERR
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REG_EIP,
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# define REG_EIP REG_EIP
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REG_CS,
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# define REG_CS REG_CS
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REG_EFL,
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# define REG_EFL REG_EFL
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REG_UESP,
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# define REG_UESP REG_UESP
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REG_SS
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# define REG_SS REG_SS
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};
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#endif
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/* Definitions taken from the kernel headers. */
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struct _libc_fpreg
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{
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unsigned short int significand[4];
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unsigned short int exponent;
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};
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struct _libc_fpstate
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{
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unsigned long int cw;
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unsigned long int sw;
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unsigned long int tag;
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unsigned long int ipoff;
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unsigned long int cssel;
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unsigned long int dataoff;
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unsigned long int datasel;
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struct _libc_fpreg _st[8];
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unsigned long int status;
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};
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/* Structure to describe FPU registers. */
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typedef struct _libc_fpstate *fpregset_t;
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/* Context to describe whole processor state. */
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typedef struct
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{
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gregset_t gregs;
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/* Due to Linux's history we have to use a pointer here. The SysV/i386
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ABI requires a struct with the values. */
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fpregset_t fpregs;
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unsigned long int oldmask;
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unsigned long int cr2;
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long int uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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__sigset_t uc_sigmask;
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#endif /* !__x86_64__ */
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#endif /* sys/ucontext.h */
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180
sysdeps/unix/sysv/linux/x86/sys/user.h
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180
sysdeps/unix/sysv/linux/x86/sys/user.h
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@ -0,0 +1,180 @@
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/* Copyright (C) 2001-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_USER_H
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#define _SYS_USER_H 1
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/* The whole purpose of this file is for GDB and GDB only. Don't read
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too much into it. Don't use it for anything other than GDB unless
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you know what you are doing. */
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#ifdef __x86_64__
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struct user_fpregs_struct
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{
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unsigned short int cwd;
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unsigned short int swd;
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unsigned short int ftw;
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unsigned short int fop;
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__extension__ unsigned long long int rip;
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__extension__ unsigned long long int rdp;
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unsigned int mxcsr;
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unsigned int mxcr_mask;
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unsigned int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
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unsigned int xmm_space[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
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unsigned int padding[24];
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};
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struct user_regs_struct
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{
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__extension__ unsigned long long int r15;
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__extension__ unsigned long long int r14;
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__extension__ unsigned long long int r13;
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__extension__ unsigned long long int r12;
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__extension__ unsigned long long int rbp;
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__extension__ unsigned long long int rbx;
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__extension__ unsigned long long int r11;
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__extension__ unsigned long long int r10;
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__extension__ unsigned long long int r9;
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__extension__ unsigned long long int r8;
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__extension__ unsigned long long int rax;
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__extension__ unsigned long long int rcx;
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__extension__ unsigned long long int rdx;
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__extension__ unsigned long long int rsi;
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__extension__ unsigned long long int rdi;
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__extension__ unsigned long long int orig_rax;
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__extension__ unsigned long long int rip;
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__extension__ unsigned long long int cs;
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__extension__ unsigned long long int eflags;
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__extension__ unsigned long long int rsp;
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__extension__ unsigned long long int ss;
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__extension__ unsigned long long int fs_base;
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__extension__ unsigned long long int gs_base;
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__extension__ unsigned long long int ds;
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__extension__ unsigned long long int es;
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__extension__ unsigned long long int fs;
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__extension__ unsigned long long int gs;
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};
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struct user
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{
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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__extension__ unsigned long long int u_tsize;
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__extension__ unsigned long long int u_dsize;
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__extension__ unsigned long long int u_ssize;
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__extension__ unsigned long long int start_code;
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__extension__ unsigned long long int start_stack;
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__extension__ long long int signal;
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int reserved;
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__extension__ union
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{
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struct user_regs_struct* u_ar0;
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__extension__ unsigned long long int __u_ar0_word;
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};
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__extension__ union
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{
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struct user_fpregs_struct* u_fpstate;
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__extension__ unsigned long long int __u_fpstate_word;
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};
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__extension__ unsigned long long int magic;
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char u_comm [32];
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__extension__ unsigned long long int u_debugreg [8];
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};
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#else
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/* These are the 32-bit x86 structures. */
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struct user_fpregs_struct
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{
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long int cwd;
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long int swd;
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long int twd;
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long int fip;
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long int fcs;
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long int foo;
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long int fos;
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long int st_space [20];
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};
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struct user_fpxregs_struct
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{
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unsigned short int cwd;
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unsigned short int swd;
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unsigned short int twd;
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unsigned short int fop;
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long int fip;
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long int fcs;
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long int foo;
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long int fos;
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long int mxcsr;
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long int reserved;
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long int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
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long int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
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long int padding[56];
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};
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struct user_regs_struct
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{
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long int ebx;
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long int ecx;
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long int edx;
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long int esi;
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long int edi;
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long int ebp;
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long int eax;
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long int xds;
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long int xes;
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long int xfs;
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long int xgs;
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long int orig_eax;
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long int eip;
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long int xcs;
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long int eflags;
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long int esp;
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long int xss;
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};
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struct user
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{
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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unsigned long int u_tsize;
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unsigned long int u_dsize;
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unsigned long int u_ssize;
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unsigned long int start_code;
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unsigned long int start_stack;
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long int signal;
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int reserved;
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struct user_regs_struct* u_ar0;
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struct user_fpregs_struct* u_fpstate;
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unsigned long int magic;
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char u_comm [32];
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int u_debugreg [8];
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};
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#endif /* __x86_64__ */
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1UL << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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#define NBPG PAGE_SIZE
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#define UPAGES 1
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#define HOST_TEXT_START_ADDR (u.start_code)
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#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
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#endif /* _SYS_USER_H */
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