sysdeps/mach/hurd/hppa/bits/sigcontext.h

   1 /* Machine-dependent signal context structure for GNU Hurd.  HPPA version.
   2    Copyright (C) 1995,97,2001 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  21 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  22 #endif
  23
  24 #ifndef sc_parisc_thread_state
  25
  26 /* Signal handlers are actually called:
  27    void handler (int sig, int code, struct sigcontext *scp);  */
  28
  29 /* State of this thread when the signal was taken.  */
  30 struct sigcontext
  31   {
  32     /* These first members are machine-independent.  */
  33
  34     int sc_onstack;             /* Nonzero if running on sigstack.  */
  35     __sigset_t sc_mask;         /* Blocked signals to restore.  */
  36
  37     /* MiG reply port this thread is using.  */
  38     unsigned int sc_reply_port;
  39
  40     /* Port this thread is doing an interruptible RPC on.  */
  41     unsigned int sc_intr_port;
  42
  43     /* Error code associated with this signal (interpreted as `error_t').  */
  44     int sc_error;
  45
  46     /* All following members are machine-dependent.  The rest of this
  47        structure is written to be laid out identically to a `struct
  48        parisc_thread_state'.  trampoline.c knows this, so it must be
  49        changed if this changes.  */
  50
  51 #define sc_parisc_thread_state sc_flags /* Beginning of correspondence.  */
  52     /* "General" registers $1..$31.  */
  53     unsigned int sc_regs[31];
  54
  55     /* Control registers.  */
  56     unsigned int sc_cr11;       /* sar */
  57     /* These four registers make up the PC.  */
  58     unsigned int iioq_head;
  59     unsigned int iisq_head;
  60     unsigned int iioq_tail;
  61     unsigned int iisq_tail;
  62     unsigned int sc_cr15;
  63     unsigned int sc_cr19;
  64     unsigned int sc_cr20;
  65     unsigned int sc_cr21;
  66     unsigned int sc_cr22;       /* ipsw */
  67     unsigned int sc_bsd_goto;   /* unused */
  68     unsigned int sc_sr4;
  69     unsigned int sc_sr0;
  70     unsigned int sc_sr1;
  71     unsigned int sc_sr2;
  72     unsigned int sc_sr3;
  73     unsigned int sc_sr5;
  74     unsigned int sc_sr6;
  75     unsigned int sc_sr7;
  76     unsigned int sc_cr0;
  77     unsigned int sc_cr8;
  78     unsigned int sc_cr9;
  79     unsigned int sc_cr10;       /* unused */
  80     unsigned int sc_cr12;
  81     unsigned int sc_cr13;
  82     unsigned int sc_cr24;       /* unused */
  83     unsigned int sc_cr25;       /* unused */
  84     unsigned int sc_cr26;       /* unused */
  85     unsigned sc_mpsfu_high;     /* unused */
  86     unsigned sc_mpsfu_low;      /* unused */
  87     unsigned sc_mpsfu_ovflo;    /* unused */
  88     int sc_pad;
  89
  90     /* Floating point registers $f0..$f31.  */
  91     double sc_fpregs[32];
  92   };
  93
  94 #endif /* sc_parisc_thread_state */