__uint32_t mxcsr;
__uint32_t reserved;
struct _fpxreg _fxsr_st[8];
- struct _xmmreg _xmm[8];
+ struct _xmmreg _xmm[8];
__uint32_t padding[56];
};
unsigned long cr2;
};
-#else
+#else /* __WORDSIZE == 64 */
struct _fpstate
{
__uint32_t mxcsr;
__uint32_t mxcr_mask;
struct _fpxreg _st[8];
- struct _xmmreg _xmm[16];
+ struct _xmmreg _xmm[16];
__uint32_t padding[24];
};
struct sigcontext
{
- unsigned short gs, __gsh;
- unsigned short fs, __fsh;
- unsigned short es, __esh;
- unsigned short ds, __dsh;
unsigned long r8;
unsigned long r9;
unsigned long r10;
+ unsigned long r11;
unsigned long r12;
unsigned long r13;
unsigned long r14;
unsigned long rbx;
unsigned long rdx;
unsigned long rax;
- unsigned long trapno;
- unsigned long err;
+ unsigned long rcx;
+ unsigned long rsp;
unsigned long rip;
+ unsigned long eflags;
unsigned short cs, __csh;
+ unsigned short gs, __gsh;
+ unsigned short fs, __fsh;
unsigned int __pad0;
- unsigned long eflags;
- unsigned long rsp_at_signal;
- struct _fpstate * fpstate;
+ unsigned long err;
+ unsigned long trapno;
unsigned long oldmask;
unsigned long cr2;
- unsigned long r11;
- unsigned long rcx;
- unsigned long rsp;
+ struct _fpstate * fpstate;
+ unsigned long __reserved1 [8];
};
-#endif
+#endif /* __WORDSIZE == 64 */
#endif /* _BITS_SIGCONTEXT_H */
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
#include <features.h>
#include <signal.h>
+#include <bits/wordsize.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
+#if __WORDSIZE == 64
+
/* Type for general register. */
typedef long int greg_t;
/* Number of each register in the `gregset_t' array. */
enum
{
- REG_GSFS = 0,
-# define REG_GSFS REG_GSFS
- REG_ESDS,
-# define REG_ESDS REG_ESDS
- REG_R8,
+ REG_R8 = 0,
# define REG_R8 REG_R8
REG_R9,
# define REG_R9 REG_R9
# define REG_RSI REG_RSI
REG_RBP,
# define REG_RBP REG_RBP
- REG_RSP,
-# define REG_RSP REG_RSP
REG_RBX,
# define REG_RBX REG_RBX
REG_RDX,
# define REG_RDX REG_RDX
- REG_RCX,
-# define REG_RCX REG_RCX
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_CSGS, /* Actually short cs, __csh, gs, __gsh. */
+# define REG_CSGS REG_CSGS
+ REG_FS, /* Actually short gs, __fsh, pad. */
+# define REG_FS REG_FS
+ REG_ERR,
+# define REG_ERR REG_ERR
+ REG_TRAPNO
+# define REG_TRAPNO REG_TRAPNO
+};
+#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
+{
+ /* 64-bit FXSAVE format. */
+ __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];
+};
+
+/* Structure to describe FPU registers. */
+typedef struct _libc_fpstate *fpregset_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+ {
+ gregset_t gregs;
+ /* Note that fpregs is a pointer. */
+ fpregset_t fpregs;
+ unsigned long __reserved1 [8];
+} mcontext_t;
+
+/* Userlevel context. */
+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 /* __WORDSIZE == 32 */
+
+/* Type for general register. */
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 19
+
+/* Container for all general registers. */
+typedef greg_t gregset_t[NGREG];
+
+#ifdef __USE_GNU
+/* Number of each register is the `gregset_t' array. */
+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_RIP,
-# define REG_RIP REG_RIP
+ REG_EIP,
+# define REG_EIP REG_EIP
REG_CS,
# define REG_CS REG_CS
REG_EFL,
# define REG_EFL REG_EFL
- REG_URSP,
-# define REG_URSP REG_URSP
+ REG_UESP,
+# define REG_UESP REG_UESP
REG_SS
# define REG_SS REG_SS
};
unsigned short int exponent;
};
-struct _libc_fpxreg
-{
- unsigned short int significand[4];
- unsigned short int exponent;
- unsigned short int padding[3];
-};
-
-struct _libc_xmmreg
-{
- unsigned long int element[4];
-};
-
struct _libc_fpstate
{
- /* Regular FPU environment. */
unsigned long int cw;
unsigned long int sw;
unsigned long int tag;
unsigned long int cssel;
unsigned long int dataoff;
unsigned long int datasel;
- struct _libc_fpreg _st[16];
- unsigned short int status;
- unsigned short int magic;
- /* FXSR FPU environment. */
-
- unsigned long int _fxsr_env[6];
- unsigned long int mxcsr;
- unsigned long int reserved;
- struct _libc_fpxreg _fxsr_st[8];
- struct _libc_xmmreg _xmm[16];
- unsigned long int padding[32];
+ struct _libc_fpreg _st[8];
+ unsigned long int status;
};
/* Structure to describe FPU registers. */
-typedef struct _libc_fpstate fpregset_t;
+typedef struct _libc_fpstate *fpregset_t;
/* Context to describe whole processor state. */
typedef struct
{
gregset_t gregs;
+ /* Due to Linux's history we have to use a pointer here. The SysV/i386
+ ABI requires a struct with the values. */
fpregset_t fpregs;
unsigned long int oldmask;
unsigned long int cr2;
struct _libc_fpstate __fpregs_mem;
} ucontext_t;
+#endif /* __WORDSIZE == 32 */
+
#endif /* sys/ucontext.h */
projects / platform / upstream / glibc.git / commitdiff