diff options
Diffstat (limited to 'libc/sysdeps/linux/nios/sys/ucontext.h')
| -rw-r--r-- | libc/sysdeps/linux/nios/sys/ucontext.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/libc/sysdeps/linux/nios/sys/ucontext.h b/libc/sysdeps/linux/nios/sys/ucontext.h deleted file mode 100644 index 02781c7b2..000000000 --- a/libc/sysdeps/linux/nios/sys/ucontext.h +++ /dev/null @@ -1,103 +0,0 @@ -/* Copyright (C) 1998, 1999 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/>. */ - -#ifndef _SYS_UCONTEXT_H -#define _SYS_UCONTEXT_H 1 - -#include <features.h> -#include <signal.h> -/* - * Location of the users' stored registers relative to R0. - * Usage is as an index into a gregset_t array or as u.u_ar0[XX]. - */ -#define REG_PSR (0) -#define REG_PC (1) -#define REG_SPARE (2) -#define REG_WVALID (3) -#define REG_G1 (4) -#define REG_G2 (5) -#define REG_G3 (6) -#define REG_G4 (7) -#define REG_G5 (8) -#define REG_G6 (9) -#define REG_G7 (10) -#define REG_O0 (11) -#define REG_O1 (12) -#define REG_O2 (13) -#define REG_O3 (14) -#define REG_O4 (15) -#define REG_O5 (16) -#define REG_O6 (17) -#define REG_O7 (18) -#define REG_GLOBALS (19) - -/* - * A gregset_t is defined as an array type for compatibility with the reference - * source. This is important due to differences in the way the C language - * treats arrays and structures as parameters. - * - * Note that NGREG is really (sizeof (struct regs) / sizeof (greg_t)), - * but that the ABI defines it absolutely to be 21 (resp. 19). - */ - -#define NGREG 20 -typedef int greg_t; - -typedef greg_t gregset_t[NGREG]; - -/* - * The following structures define how a register window can appear on the - * stack. This structure is available (when required) through the `gwins' - * field of an mcontext (nested within ucontext). NIOS_MAXWINDOW is the - * maximum number of outstanding register windows defined in the NIOS - * architecture (*not* implementation). - */ -#define NIOS_MAXREGWINDOW 31 /* max windows in NIOS arch. */ -struct rwindow - { - greg_t rw_local[8]; /* locals */ - greg_t rw_in[8]; /* ins */ - }; - -#define rw_fp rw_in[6] /* frame pointer */ -#define rw_rtn rw_in[7] /* return address */ - -typedef struct gwindows - { - int wbcnt; - int *spbuf[NIOS_MAXREGWINDOW]; - struct rwindow wbuf[NIOS_MAXREGWINDOW]; - } gwindows_t; - -typedef struct - { - gregset_t gregs; /* general register set */ - gwindows_t *gwins; /* POSSIBLE pointer to register windows */ - } mcontext_t; - - -/* Userlevel context. */ -typedef struct ucontext - { - unsigned long uc_flags; - struct ucontext *uc_link; - __sigset_t uc_sigmask; - stack_t uc_stack; - mcontext_t uc_mcontext; - } ucontext_t; - -#endif /* sys/ucontext.h */ |