90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/* Extract registers from a "standard" core file, for GDB.
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Copyright (C) 1988-1991 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* core.c is supposed to be the more machine-independent aspects of this;
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this file is more machine-specific. */
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#include "defs.h"
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#include "param.h"
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#include "gdbcore.h"
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/* Some of these are needed on various systems, perhaps, to expand
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REGISTER_U_ADDR appropriately? */
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/* #include <sys/core.h> */
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/user.h>
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#ifndef USG
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#include <sys/ptrace.h>
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#endif
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/* Extract the register values out of the core file and store
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them where `read_register' will find them. */
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void
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fetch_core_registers (core_reg_sect, core_reg_size)
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char *core_reg_sect;
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unsigned core_reg_size;
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{
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register int regno;
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register unsigned int addr;
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int bad_reg = -1;
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for (regno = 0; regno < NUM_REGS; regno++)
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{
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addr = register_addr (regno, core_reg_size);
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if (addr >= core_reg_size) {
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if (bad_reg < 0)
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bad_reg = regno;
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} else {
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supply_register (regno, core_reg_sect + addr);
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}
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}
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if (bad_reg > 0)
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{
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error ("Register %s not found in core file.", reg_names[bad_reg]);
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}
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}
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#ifdef REGISTER_U_ADDR
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/* Return the address in the core dump or inferior of register REGNO.
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BLOCKEND is the address of the end of the user structure. */
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unsigned int
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register_addr (regno, blockend)
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int regno;
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int blockend;
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{
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int addr;
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if (regno < 0 || regno >= NUM_REGS)
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error ("Invalid register number %d.", regno);
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REGISTER_U_ADDR (addr, blockend, regno);
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return addr;
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}
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#endif /* REGISTER_U_ADDR */
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