arch/all-pc/boot/grub2-aros/grub-core/gdb/i386/signal.c

   1 /* idt.c - routines for constructing IDT fot the GDB stub */
   2 /*
   3  *  Copyright (C) 2006  Lubomir Kundrak
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program 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
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <grub/machine/memory.h>
  21 #include <grub/misc.h>
  22 #include <grub/cpu/gdb.h>
  23 #include <grub/gdb.h>
  24
  25 /* Converting CPU trap number to UNIX signal number as
  26    described in System V ABI i386 Processor Supplement, 3-25.  */
  27 unsigned int
  28 grub_gdb_trap2sig (int trap_no)
  29 {
  30   const int signals[] = {
  31     SIGFPE,                     /* 0:   Divide error fault              */
  32     SIGTRAP,                    /* 1:   Single step trap fault          */
  33     SIGABRT,                    /* 2:   # Nonmaskable interrupt         */
  34     SIGTRAP,                    /* 3:   Breakpoint trap                 */
  35     SIGSEGV,                    /* 4:   Overflow trap                   */
  36     SIGSEGV,                    /* 5:   Bounds check fault              */
  37     SIGILL,                     /* 6:   Invalid opcode fault            */
  38     SIGFPE,                     /* 7:   No coprocessor fault            */
  39     SIGABRT,                    /* 8:   # Double fault abort            */
  40     SIGSEGV,                    /* 9:   Coprocessor overrun abort       */
  41     SIGSEGV,                    /* 10:  Invalid TSS fault               */
  42     SIGSEGV,                    /* 11:  Segment not present fault       */
  43     SIGSEGV,                    /* 12:  Stack exception fault           */
  44     SIGSEGV,                    /* 13:  General protection fault abort  */
  45     SIGSEGV,                    /* 14:  Page fault                      */
  46     SIGABRT,                    /* 15:  (reserved)                      */
  47     SIGFPE,                     /* 16:  Coprocessor error fault         */
  48     SIGUSR1                     /* other                                */
  49   };
  50
  51   return signals[trap_no < 17 ? trap_no : 17];
  52 }
  53