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Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h b/REORG.TODO/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h new file mode 100644 index 0000000000..e6ecbe6ab5 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h @@ -0,0 +1,131 @@ +/* Copyright (C) 1997-2017 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +/* System V/m68k ABI compliant context switching support. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include <features.h> + +#include <bits/types/sigset_t.h> +#include <bits/sigcontext.h> +#include <bits/types/stack_t.h> + + +/* Type for general register. */ +typedef int greg_t; + +/* Number of general registers. */ +#define __NGREG 18 +#ifdef __USE_MISC +# define NGREG __NGREG +#endif + +/* Container for all general registers. */ +typedef greg_t gregset_t[__NGREG]; + +#ifdef __USE_MISC +/* Number of each register is the `gregset_t' array. */ +enum +{ + R_D0 = 0, +# define R_D0 R_D0 + R_D1 = 1, +# define R_D1 R_D1 + R_D2 = 2, +# define R_D2 R_D2 + R_D3 = 3, +# define R_D3 R_D3 + R_D4 = 4, +# define R_D4 R_D4 + R_D5 = 5, +# define R_D5 R_D5 + R_D6 = 6, +# define R_D6 R_D6 + R_D7 = 7, +# define R_D7 R_D7 + R_A0 = 8, +# define R_A0 R_A0 + R_A1 = 9, +# define R_A1 R_A1 + R_A2 = 10, +# define R_A2 R_A2 + R_A3 = 11, +# define R_A3 R_A3 + R_A4 = 12, +# define R_A4 R_A4 + R_A5 = 13, +# define R_A5 R_A5 + R_A6 = 14, +# define R_A6 R_A6 + R_A7 = 15, +# define R_A7 R_A7 + R_SP = 15, +# define R_SP R_SP + R_PC = 16, +# define R_PC R_PC + R_PS = 17 +# define R_PS R_PS +}; +#endif + +#ifdef __USE_MISC +# define __ctx(fld) fld +#else +# define __ctx(fld) __ ## fld +#endif + +/* Structure to describe FPU registers. */ +typedef struct fpregset +{ + int __ctx(f_pcr); + int __ctx(f_psr); + int __ctx(f_fpiaddr); +#ifdef __mcoldfire__ + int __ctx(f_fpregs)[8][2]; +#else + int __ctx(f_fpregs)[8][3]; +#endif +} fpregset_t; + +/* Context to describe whole processor state. */ +typedef struct +{ + int __ctx(version); + gregset_t __ctx(gregs); + fpregset_t __ctx(fpregs); +} mcontext_t; + +#undef __ctx + +#ifdef __USE_MISC +# define MCONTEXT_VERSION 2 +#endif + +/* Userlevel context. */ +typedef struct ucontext +{ + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + unsigned long uc_filler[80]; + sigset_t uc_sigmask; +} ucontext_t; + +#endif /* sys/ucontext.h */ |