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.
This commit is contained in:
Andreas Jaeger 2002-03-26 12:38:27 +00:00
parent 367b07fbae
commit 30ee7c7be0
3 changed files with 150 additions and 58 deletions

View File

@ -1,3 +1,11 @@
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.
2002-03-25 Andreas Jaeger <aj@suse.de>
* iconv/gconv_simple.c (ucs4le_internal_loop_single): Handle

View File

@ -66,7 +66,7 @@ struct _fpstate
__uint32_t mxcsr;
__uint32_t reserved;
struct _fpxreg _fxsr_st[8];
struct _xmmreg _xmm[8];
struct _xmmreg _xmm[8];
__uint32_t padding[56];
};
@ -96,7 +96,7 @@ struct sigcontext
unsigned long cr2;
};
#else
#else /* __WORDSIZE == 64 */
struct _fpstate
{
@ -110,19 +110,16 @@ 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;
@ -133,21 +130,22 @@ struct sigcontext
unsigned long rbx;
unsigned long rdx;
unsigned long rax;
unsigned long trapno;
unsigned long err;
unsigned long rip;
unsigned short cs, __csh;
unsigned int __pad0;
unsigned long eflags;
unsigned long rsp_at_signal;
struct _fpstate * fpstate;
unsigned long oldmask;
unsigned long cr2;
unsigned long r11;
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 err;
unsigned long trapno;
unsigned long oldmask;
unsigned long cr2;
struct _fpstate * fpstate;
unsigned long __reserved1 [8];
};
#endif
#endif /* __WORDSIZE == 64 */
#endif /* _BITS_SIGCONTEXT_H */

View File

@ -1,4 +1,4 @@
/* 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
@ -21,11 +21,14 @@
#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;
@ -39,11 +42,7 @@ typedef greg_t gregset_t[NGREG];
/* 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
@ -65,28 +64,133 @@ enum
# 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
};
@ -99,21 +203,8 @@ struct _libc_fpreg
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;
@ -121,26 +212,19 @@ struct _libc_fpstate
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;
@ -157,4 +241,6 @@ typedef struct ucontext
struct _libc_fpstate __fpregs_mem;
} ucontext_t;
#endif /* __WORDSIZE == 32 */
#endif /* sys/ucontext.h */