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- #ifndef _SYS_UCONTEXT_H
- #define _SYS_UCONTEXT_H 1
- #include <features.h>
- #include <signal.h>
- #include <bits/wordsize.h>
- #include <bits/sigcontext.h>
- #if __WORDSIZE == 64
- typedef long int greg_t;
- #define NGREG 23
- typedef greg_t gregset_t[NGREG];
- #ifdef __USE_GNU
- enum
- {
- REG_R8 = 0,
- # define REG_R8 REG_R8
- REG_R9,
- # define REG_R9 REG_R9
- REG_R10,
- # define REG_R10 REG_R10
- REG_R11,
- # define REG_R11 REG_R11
- REG_R12,
- # define REG_R12 REG_R12
- REG_R13,
- # define REG_R13 REG_R13
- REG_R14,
- # define REG_R14 REG_R14
- REG_R15,
- # define REG_R15 REG_R15
- REG_RDI,
- # define REG_RDI REG_RDI
- REG_RSI,
- # define REG_RSI REG_RSI
- REG_RBP,
- # define REG_RBP REG_RBP
- REG_RBX,
- # define REG_RBX REG_RBX
- REG_RDX,
- # define REG_RDX REG_RDX
- REG_RAX,
- # define REG_RAX REG_RAX
- REG_RCX,
- # define REG_RCX REG_RCX
- REG_RSP,
- # define REG_RSP REG_RSP
- REG_RIP,
- # define REG_RIP REG_RIP
- REG_EFL,
- # define REG_EFL REG_EFL
- REG_CSGSFS,
- # define REG_CSGSFS REG_CSGSFS
- REG_ERR,
- # define REG_ERR REG_ERR
- REG_TRAPNO,
- # define REG_TRAPNO REG_TRAPNO
- REG_OLDMASK,
- # define REG_OLDMASK REG_OLDMASK
- REG_CR2
- # define REG_CR2 REG_CR2
- };
- #endif
- struct _libc_fpxreg
- {
- unsigned short int significand[4];
- unsigned short int exponent;
- unsigned short int padding[3];
- };
- struct _libc_xmmreg
- {
- __uint32_t element[4];
- };
- struct _libc_fpstate
- {
-
- __uint16_t cwd;
- __uint16_t swd;
- __uint16_t ftw;
- __uint16_t fop;
- __uint64_t rip;
- __uint64_t rdp;
- __uint32_t mxcsr;
- __uint32_t mxcr_mask;
- struct _libc_fpxreg _st[8];
- struct _libc_xmmreg _xmm[16];
- __uint32_t padding[24];
- };
- typedef struct _libc_fpstate *fpregset_t;
- typedef struct
- {
- gregset_t gregs;
-
- fpregset_t fpregs;
- unsigned long __reserved1 [8];
- } mcontext_t;
- typedef struct ucontext
- {
- unsigned long int uc_flags;
- struct ucontext *uc_link;
- stack_t uc_stack;
- mcontext_t uc_mcontext;
- __sigset_t uc_sigmask;
- struct _libc_fpstate __fpregs_mem;
- } ucontext_t;
- #else
- typedef int greg_t;
- #define NGREG 19
- typedef greg_t gregset_t[NGREG];
- #ifdef __USE_GNU
- enum
- {
- REG_GS = 0,
- # define REG_GS REG_GS
- REG_FS,
- # define REG_FS REG_FS
- REG_ES,
- # define REG_ES REG_ES
- REG_DS,
- # define REG_DS REG_DS
- REG_EDI,
- # define REG_EDI REG_EDI
- REG_ESI,
- # define REG_ESI REG_ESI
- REG_EBP,
- # define REG_EBP REG_EBP
- REG_ESP,
- # define REG_ESP REG_ESP
- REG_EBX,
- # define REG_EBX REG_EBX
- REG_EDX,
- # define REG_EDX REG_EDX
- REG_ECX,
- # define REG_ECX REG_ECX
- REG_EAX,
- # define REG_EAX REG_EAX
- REG_TRAPNO,
- # define REG_TRAPNO REG_TRAPNO
- REG_ERR,
- # define REG_ERR REG_ERR
- REG_EIP,
- # define REG_EIP REG_EIP
- REG_CS,
- # define REG_CS REG_CS
- REG_EFL,
- # define REG_EFL REG_EFL
- REG_UESP,
- # define REG_UESP REG_UESP
- REG_SS
- # define REG_SS REG_SS
- };
- #endif
- struct _libc_fpreg
- {
- unsigned short int significand[4];
- unsigned short int exponent;
- };
- struct _libc_fpstate
- {
- unsigned long int cw;
- unsigned long int sw;
- unsigned long int tag;
- unsigned long int ipoff;
- unsigned long int cssel;
- unsigned long int dataoff;
- unsigned long int datasel;
- struct _libc_fpreg _st[8];
- unsigned long int status;
- };
- typedef struct _libc_fpstate *fpregset_t;
- typedef struct
- {
- gregset_t gregs;
-
- fpregset_t fpregs;
- unsigned long int oldmask;
- unsigned long int cr2;
- } mcontext_t;
- typedef struct ucontext
- {
- unsigned long int uc_flags;
- struct ucontext *uc_link;
- stack_t uc_stack;
- mcontext_t uc_mcontext;
- __sigset_t uc_sigmask;
- struct _libc_fpstate __fpregs_mem;
- } ucontext_t;
- #endif
- #endif
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