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Diffstat (limited to 'libc/sysdeps/linux/frv/sys/ucontext.h')
| -rw-r--r-- | libc/sysdeps/linux/frv/sys/ucontext.h | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/frv/sys/ucontext.h b/libc/sysdeps/linux/frv/sys/ucontext.h new file mode 100644 index 000000000..2385a072e --- /dev/null +++ b/libc/sysdeps/linux/frv/sys/ucontext.h @@ -0,0 +1,451 @@ +/* Copyright (C) 1999, 2000, 2001, 2003 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include <features.h> +#include <signal.h> + +/* We need the signal context definitions even if they are not used + included in <signal.h>. */ +#include <bits/sigcontext.h> + + +typedef unsigned long greg_t; + +/* Number of general registers. */ +#define NGREG (10+2+64) + +/* Container for all general registers. */ +typedef greg_t gregset_t[NGREG]; + +#ifdef __USE_GNU +/* Number of each register is the `gregset_t' array. */ +enum +{ + PSR = 0, +#define PSR PSR + ISR = 1, +#define ISR ISR + CCR = 2, +#define CCR CCR + CCCR = 3, +#define CCCR CCCR + LR = 4, +#define LR LR + LCR = 5, +#define LCR LCR + PC = 6, +#define PC PC + __STATUS = 7, +#define __STATUS __STATUS + SYSCALLNO = 8, +#define SYSCALLNO SYSCALLNO + ORIG_GR8 = 9, +#define ORIG_GR8 ORIG_GR8 + GNER0 = 10, +#define GNER0 GNER0 + GNER1 = 11, +#define GNER1 GNER1 + GR0 = 12, +#define GR0 GR0 + GR1 = 13, +#define GR1 GR1 + GR2 = 14, +#define GR2 GR2 + GR3 = 15, +#define GR3 GR3 + GR4 = 16, +#define GR4 GR4 + GR5 = 17, +#define GR5 GR5 + GR6 = 18, +#define GR6 GR6 + GR7 = 19, +#define GR7 GR7 + GR8 = 20, +#define GR8 GR8 + GR9 = 21, +#define GR9 GR9 + GR10 = 22, +#define GR10 GR10 + GR11 = 23, +#define GR11 GR11 + GR12 = 24, +#define GR12 GR12 + GR13 = 25, +#define GR13 GR13 + GR14 = 26, +#define GR14 GR14 + GR15 = 27, +#define GR15 GR15 + GR16 = 28, +#define GR16 GR16 + GR17 = 29, +#define GR17 GR17 + GR18 = 30, +#define GR18 GR18 + GR19 = 31, +#define GR19 GR19 + GR20 = 32, +#define GR20 GR20 + GR21 = 33, +#define GR21 GR21 + GR22 = 34, +#define GR22 GR22 + GR23 = 35, +#define GR23 GR23 + GR24 = 36, +#define GR24 GR24 + GR25 = 37, +#define GR25 GR25 + GR26 = 38, +#define GR26 GR26 + GR27 = 39, +#define GR27 GR27 + GR28 = 40, +#define GR28 GR28 + GR29 = 41, +#define GR29 GR29 + GR30 = 42, +#define GR30 GR30 + GR31 = 43, +#define GR31 GR31 + GR32 = 44, +#define GR32 GR32 + GR33 = 45, +#define GR33 GR33 + GR34 = 46, +#define GR34 GR34 + GR35 = 47, +#define GR35 GR35 + GR36 = 48, +#define GR36 GR36 + GR37 = 49, +#define GR37 GR37 + GR38 = 50, +#define GR38 GR38 + GR39 = 51, +#define GR39 GR39 + GR40 = 52, +#define GR40 GR40 + GR41 = 53, +#define GR41 GR41 + GR42 = 54, +#define GR42 GR42 + GR43 = 55, +#define GR43 GR43 + GR44 = 56, +#define GR44 GR44 + GR45 = 57, +#define GR45 GR45 + GR46 = 58, +#define GR46 GR46 + GR47 = 59, +#define GR47 GR47 + GR48 = 60, +#define GR48 GR48 + GR49 = 61, +#define GR49 GR49 + GR50 = 62, +#define GR50 GR50 + GR51 = 63, +#define GR51 GR51 + GR52 = 64, +#define GR52 GR52 + GR53 = 65, +#define GR53 GR53 + GR54 = 66, +#define GR54 GR54 + GR55 = 67, +#define GR55 GR55 + GR56 = 68, +#define GR56 GR56 + GR57 = 69, +#define GR57 GR57 + GR58 = 70, +#define GR58 GR58 + GR59 = 71, +#define GR59 GR59 + GR60 = 72, +#define GR60 GR60 + GR61 = 73, +#define GR61 GR61 + GR62 = 74, +#define GR62 GR62 + GR63 = 75, +#define GR63 GR63 +}; +#endif + +typedef unsigned long freg_t; + +/* Number of FPU registers. */ +#define NFPREG (64+2+2+8+2+1) + +#ifdef __USE_GNU +/* Number of each register is the `gregset_t' array. */ +enum +{ + FR0 = 0, +#define FR0 FR0 + FR1 = 1, +#define FR1 FR1 + FR2 = 2, +#define FR2 FR2 + FR3 = 3, +#define FR3 FR3 + FR4 = 4, +#define FR4 FR4 + FR5 = 5, +#define FR5 FR5 + FR6 = 6, +#define FR6 FR6 + FR7 = 7, +#define FR7 FR7 + FR8 = 8, +#define FR8 FR8 + FR9 = 9, +#define FR9 FR9 + FR10 = 10, +#define FR10 FR10 + FR11 = 11, +#define FR11 FR11 + FR12 = 12, +#define FR12 FR12 + FR13 = 13, +#define FR13 FR13 + FR14 = 14, +#define FR14 FR14 + FR15 = 15, +#define FR15 FR15 + FR16 = 16, +#define FR16 FR16 + FR17 = 17, +#define FR17 FR17 + FR18 = 18, +#define FR18 FR18 + FR19 = 19, +#define FR19 FR19 + FR20 = 20, +#define FR20 FR20 + FR21 = 21, +#define FR21 FR21 + FR22 = 22, +#define FR22 FR22 + FR23 = 23, +#define FR23 FR23 + FR24 = 24, +#define FR24 FR24 + FR25 = 25, +#define FR25 FR25 + FR26 = 26, +#define FR26 FR26 + FR27 = 27, +#define FR27 FR27 + FR28 = 28, +#define FR28 FR28 + FR29 = 29, +#define FR29 FR29 + FR30 = 30, +#define FR30 FR30 + FR31 = 31, +#define FR31 FR31 + FR32 = 32, +#define FR32 FR32 + FR33 = 33, +#define FR33 FR33 + FR34 = 34, +#define FR34 FR34 + FR35 = 35, +#define FR35 FR35 + FR36 = 36, +#define FR36 FR36 + FR37 = 37, +#define FR37 FR37 + FR38 = 38, +#define FR38 FR38 + FR39 = 39, +#define FR39 FR39 + FR40 = 40, +#define FR40 FR40 + FR41 = 41, +#define FR41 FR41 + FR42 = 42, +#define FR42 FR42 + FR43 = 43, +#define FR43 FR43 + FR44 = 44, +#define FR44 FR44 + FR45 = 45, +#define FR45 FR45 + FR46 = 46, +#define FR46 FR46 + FR47 = 47, +#define FR47 FR47 + FR48 = 48, +#define FR48 FR48 + FR49 = 49, +#define FR49 FR49 + FR50 = 50, +#define FR50 FR50 + FR51 = 51, +#define FR51 FR51 + FR52 = 52, +#define FR52 FR52 + FR53 = 53, +#define FR53 FR53 + FR54 = 54, +#define FR54 FR54 + FR55 = 55, +#define FR55 FR55 + FR56 = 56, +#define FR56 FR56 + FR57 = 57, +#define FR57 FR57 + FR58 = 58, +#define FR58 FR58 + FR59 = 59, +#define FR59 FR59 + FR60 = 60, +#define FR60 FR60 + FR61 = 61, +#define FR61 FR61 + FR62 = 62, +#define FR62 FR62 + FR63 = 63, +#define FR63 FR63 + FNER0 = 64, +#define FNER0 FNER0 + FNER1 = 65, +#define FNER1 FNER1 + MSR0 = 66, +#define MSR0 MSR0 + MSR1 = 67, +#define MSR1 MSR1 + ACC0 = 68, +#define ACC0 ACC0 + ACC1 = 69, +#define ACC1 ACC1 + ACC2 = 70, +#define ACC2 ACC2 + ACC3 = 71, +#define ACC3 ACC3 + ACC4 = 72, +#define ACC4 ACC4 + ACC5 = 73, +#define ACC5 ACC5 + ACC6 = 74, +#define ACC6 ACC6 + ACC7 = 75, +#define ACC7 ACC7 + ACCG0123 = 76, +#define ACCG0123 ACCG0123 + ACCG4567 = 77, +#define ACCG4567 ACCG4567 + FSR0 = 78, +#define FSR0 FSR0 +}; +#endif + +/* Structure to describe FPU registers. */ +typedef freg_t fpregset_t[NFPREG]; + +/* Context to describe whole processor state. */ +typedef struct + { + gregset_t gregs; + fpregset_t fpregs; + void *extension; + unsigned long sc_oldmask; /* old sigmask */ + } __attribute__((aligned(8))) mcontext_t; + +#ifdef __USE_GNU +struct kernel_user_int_regs +{ + /* integer registers + * - up to gr[31] mirror pt_regs in the kernel + */ + unsigned long psr; /* Processor Status Register */ + unsigned long isr; /* Integer Status Register */ + unsigned long ccr; /* Condition Code Register */ + unsigned long cccr; /* Condition Code for Conditional Insns Register */ + unsigned long lr; /* Link Register */ + unsigned long lcr; /* Loop Count Register */ + unsigned long pc; /* Program Counter Register */ + unsigned long __status; /* exception status */ + unsigned long syscallno; /* syscall number or -1 */ + unsigned long orig_gr8; /* original syscall arg #1 */ + unsigned long gner[2]; + + union { + unsigned long tbr; + unsigned long gr[64]; + }; +}; + +struct kernel_user_fpmedia_regs +{ + /* FP/Media registers */ + unsigned long fr[64]; + unsigned long fner[2]; + unsigned long msr[2]; + unsigned long acc[8]; + unsigned char accg[8]; + unsigned long fsr[1]; +}; + +struct kernel_user_context +{ + struct kernel_user_int_regs i; + struct kernel_user_fpmedia_regs f; + + /* we provide a context extension so that we can save the regs for CPUs that + * implement many more of Fujitsu's lavish register spec + */ + void *extension; + + /* This is not part of the kernel's struct user_context, but + rather of the enclosing struct sigcontext, but we add it + here to parallel mcontext_t, just for completeness. */ + unsigned long sc_oldmask; /* old sigmask */ +} __attribute__((aligned(8))); + +/* This union enables alias-safe casts from mcontext_t* to the union + type, that can then be dereferenced as_aliases. */ +union kmcontext_t +{ + mcontext_t as_regsets; + /* as_aliases is actually missing sc_oldmask, that is present in + mcontext_t. */ + struct kernel_user_context as_aliases; +}; +#endif + +/* 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; + } ucontext_t; + +#endif /* sys/ucontext.h */ |