old-cross-binutils/gdb/coredep.c
K. Richard Pixley dd3b648e8b Johns release
1991-03-28 16:28:29 +00:00

86 lines
2.2 KiB
C

/* Extract registers from a "standard" core file, for GDB.
Copyright (C) 1988-1991 Free Software Foundation, Inc.
This file is part of GDB.
GDB is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GDB 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GDB; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* core.c is supposed to be the more machine-independent aspects of this;
this file is more machine-specific. */
#include "defs.h"
#include "param.h"
#include "gdbcore.h"
/* Some of these are needed on various systems, perhaps, to expand
REGISTER_U_ADDR appropriately? */
/* #include <sys/core.h> */
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/user.h>
/* Extract the register values out of the core file and store
them where `read_register' will find them. */
void
fetch_core_registers (core_reg_sect, core_reg_size)
char *core_reg_sect;
unsigned core_reg_size;
{
register int regno;
register unsigned int addr;
int bad_reg = -1;
for (regno = 0; regno < NUM_REGS; regno++)
{
addr = register_addr (regno, core_reg_size);
if (addr >= core_reg_size) {
if (bad_reg < 0)
bad_reg = regno;
} else {
supply_register (regno, core_reg_sect + addr);
}
}
if (bad_reg > 0)
{
error ("Register %s not found in core file.", reg_names[bad_reg]);
}
}
#ifdef REGISTER_U_ADDR
/* Return the address in the core dump or inferior of register REGNO.
BLOCKEND is the address of the end of the user structure. */
unsigned int
register_addr (regno, blockend)
int regno;
int blockend;
{
int addr;
if (regno < 0 || regno >= NUM_REGS)
error ("Invalid register number %d.", regno);
REGISTER_U_ADDR (addr, blockend, regno);
return addr;
}
#endif /* REGISTER_U_ADDR */