sysdeps/mach/hurd/hppa/sigcontext.h

   1 /* Machine-dependent signal context structure for GNU Hurd.  HPPA version.
   2 Copyright (C) 1995 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 Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 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 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 /* Signal handlers are actually called:
  21    void handler (int sig, int code, struct sigcontext *scp);  */
  22
  23 /* State of this thread when the signal was taken.  */
  24 struct sigcontext
  25   {
  26     /* These first members are machine-independent.  */
  27
  28     int sc_onstack;             /* Nonzero if running on sigstack.  */
  29     __sigset_t sc_mask;         /* Blocked signals to restore.  */
  30
  31     /* MiG reply port this thread is using.  */
  32     unsigned int sc_reply_port;
  33
  34     /* Port this thread is doing an interruptible RPC on.  */
  35     unsigned int sc_intr_port;
  36
  37     /* Error code associated with this signal (interpreted as `error_t').  */
  38     int sc_error;
  39
  40     /* All following members are machine-dependent.  The rest of this
  41        structure is written to be laid out identically to a `struct
  42        parisc_thread_state'.  trampoline.c knows this, so it must be
  43        changed if this changes.  */
  44
  45 #define sc_parisc_thread_state sc_flags /* Beginning of correspondence.  */
  46     /* "General" registers $1..$31.  */
  47     unsigned int sc_regs[31];
  48
  49     /* Control registers.  */
  50     unsigned int sc_cr11;       /* sar */
  51     /* These four registers make up the PC.  */
  52     unsigned int iioq_head;
  53     unsigned int iisq_head;
  54     unsigned int iioq_tail;
  55     unsigned int iisq_tail;
  56     unsigned int sc_cr15;
  57     unsigned int sc_cr19;
  58     unsigned int sc_cr20;
  59     unsigned int sc_cr21;
  60     unsigned int sc_cr22;       /* ipsw */
  61     unsigned int sc_bsd_goto;   /* unused */
  62     unsigned int sc_sr4;
  63     unsigned int sc_sr0;
  64     unsigned int sc_sr1;
  65     unsigned int sc_sr2;
  66     unsigned int sc_sr3;
  67     unsigned int sc_sr5;
  68     unsigned int sc_sr6;
  69     unsigned int sc_sr7;
  70     unsigned int sc_cr0;
  71     unsigned int sc_cr8;
  72     unsigned int sc_cr9;
  73     unsigned int sc_cr10;       /* unused */
  74     unsigned int sc_cr12;
  75     unsigned int sc_cr13;
  76     unsigned int sc_cr24;       /* unused */
  77     unsigned int sc_cr25;       /* unused */
  78     unsigned int sc_cr26;       /* unused */
  79     unsigned sc_mpsfu_high;     /* unused */
  80     unsigned sc_mpsfu_low;      /* unused */
  81     unsigned sc_mpsfu_ovflo;    /* unused */
  82     int sc_pad;
  83
  84     /* Floating point registers $f0..$f31.  */
  85     double sc_fpregs[32];
  86   };