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Update.
2002-03-26 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/x86_64/sys/ucontext.h: Add 32-bit compatibilty, adjust for kernel changes. * sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h (struct sigcontext): Adjust for kernel changes.
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Andreas Jaeger
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367b07fbae
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@ -1,3 +1,11 @@
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2002-03-26 Andreas Jaeger <aj@suse.de>
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* sysdeps/unix/sysv/linux/x86_64/sys/ucontext.h: Add 32-bit
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compatibilty, adjust for kernel changes.
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* sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h (struct
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sigcontext): Adjust for kernel changes.
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2002-03-25 Andreas Jaeger <aj@suse.de>
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* iconv/gconv_simple.c (ucs4le_internal_loop_single): Handle
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@ -96,7 +96,7 @@ struct sigcontext
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unsigned long cr2;
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};
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#else
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#else /* __WORDSIZE == 64 */
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struct _fpstate
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{
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@ -116,13 +116,10 @@ struct _fpstate
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struct sigcontext
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{
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unsigned short gs, __gsh;
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unsigned short fs, __fsh;
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unsigned short es, __esh;
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unsigned short ds, __dsh;
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unsigned long r8;
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unsigned long r9;
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unsigned long r10;
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unsigned long r11;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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@ -133,21 +130,22 @@ struct sigcontext
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unsigned long rbx;
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unsigned long rdx;
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unsigned long rax;
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unsigned long trapno;
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unsigned long err;
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unsigned long rip;
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unsigned short cs, __csh;
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unsigned int __pad0;
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unsigned long eflags;
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unsigned long rsp_at_signal;
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struct _fpstate * fpstate;
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unsigned long oldmask;
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unsigned long cr2;
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unsigned long r11;
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unsigned long rcx;
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unsigned long rsp;
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unsigned long rip;
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unsigned long eflags;
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unsigned short cs, __csh;
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unsigned short gs, __gsh;
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unsigned short fs, __fsh;
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unsigned int __pad0;
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unsigned long err;
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unsigned long trapno;
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unsigned long oldmask;
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unsigned long cr2;
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struct _fpstate * fpstate;
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unsigned long __reserved1 [8];
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};
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#endif
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#endif /* __WORDSIZE == 64 */
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#endif /* _BITS_SIGCONTEXT_H */
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@ -1,4 +1,4 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2001, 2002 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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@ -21,11 +21,14 @@
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#include <features.h>
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#include <signal.h>
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#include <bits/wordsize.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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#if __WORDSIZE == 64
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/* Type for general register. */
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typedef long int greg_t;
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@ -39,11 +42,7 @@ typedef greg_t gregset_t[NGREG];
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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_GSFS = 0,
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# define REG_GSFS REG_GSFS
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REG_ESDS,
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# define REG_ESDS REG_ESDS
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REG_R8,
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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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@ -65,28 +64,133 @@ enum
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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_RSP,
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# define REG_RSP REG_RSP
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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_RCX,
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# define REG_RCX REG_RCX
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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_CSGS, /* Actually short cs, __csh, gs, __gsh. */
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# define REG_CSGS REG_CSGS
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REG_FS, /* Actually short gs, __fsh, pad. */
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# define REG_FS REG_FS
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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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};
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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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unsigned 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 /* __WORDSIZE == 32 */
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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_RIP,
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# define REG_RIP REG_RIP
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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_URSP,
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# define REG_URSP REG_URSP
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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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@ -99,21 +203,8 @@ struct _libc_fpreg
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unsigned short int exponent;
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};
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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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unsigned long int element[4];
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};
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struct _libc_fpstate
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{
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/* Regular FPU environment. */
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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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@ -121,26 +212,19 @@ struct _libc_fpstate
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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[16];
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unsigned short int status;
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unsigned short int magic;
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/* FXSR FPU environment. */
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unsigned long int _fxsr_env[6];
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unsigned long int mxcsr;
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unsigned long int reserved;
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struct _libc_fpxreg _fxsr_st[8];
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struct _libc_xmmreg _xmm[16];
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unsigned long int padding[32];
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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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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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@ -157,4 +241,6 @@ typedef struct ucontext
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#endif /* __WORDSIZE == 32 */
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#endif /* sys/ucontext.h */
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