/* Native debugging support for Intel x86 running DJGPP.
- Copyright 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999, 2000, 2001, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
Written by Robert Hoehne.
This file is part of GDB.
This program 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 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <fcntl.h>
#include "value.h"
#include "regcache.h"
#include "gdb_string.h"
+#include "top.h"
#include <stdio.h> /* might be required for __DJGPP_MINOR__ */
#include <stdlib.h>
enum target_signal siggnal);
static ptid_t go32_wait (ptid_t ptid,
struct target_waitstatus *status);
-static void go32_fetch_registers (int regno);
-static void store_register (int regno);
-static void go32_store_registers (int regno);
-static void go32_prepare_to_store (void);
+static void go32_fetch_registers (struct regcache *, int regno);
+static void store_register (const struct regcache *, int regno);
+static void go32_store_registers (struct regcache *, int regno);
+static void go32_prepare_to_store (struct regcache *);
static int go32_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
int write,
struct mem_attrib *attrib,
}
static void
-fetch_register (int regno)
+fetch_register (struct regcache *regcache, int regno)
{
- if (regno < FP0_REGNUM)
- regcache_raw_supply (current_regcache, regno,
+ if (regno < gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+ regcache_raw_supply (regcache, regno,
(char *) &a_tss + regno_mapping[regno].tss_ofs);
else if (i386_fp_regnum_p (regno) || i386_fpc_regnum_p (regno))
- i387_supply_fsave (current_regcache, regno, &npx);
+ i387_supply_fsave (regcache, regno, &npx);
else
internal_error (__FILE__, __LINE__,
_("Invalid register no. %d in fetch_register."), regno);
}
static void
-go32_fetch_registers (int regno)
+go32_fetch_registers (struct regcache *regcache, int regno)
{
if (regno >= 0)
- fetch_register (regno);
+ fetch_register (regcache, regno);
else
{
- for (regno = 0; regno < FP0_REGNUM; regno++)
- fetch_register (regno);
- i387_supply_fsave (current_regcache, -1, &npx);
+ for (regno = 0;
+ regno < gdbarch_fp0_regnum (get_regcache_arch (regcache));
+ regno++)
+ fetch_register (regcache, regno);
+ i387_supply_fsave (regcache, -1, &npx);
}
}
static void
-store_register (int regno)
+store_register (const struct regcache *regcache, int regno)
{
- if (regno < FP0_REGNUM)
- regcache_raw_collect (current_regcache, regno,
+ if (regno < gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+ regcache_raw_collect (regcache, regno,
(char *) &a_tss + regno_mapping[regno].tss_ofs);
else if (i386_fp_regnum_p (regno) || i386_fpc_regnum_p (regno))
- i387_fill_fsave ((char *) &npx, regno);
+ i387_collect_fsave (regcache, regno, &npx);
else
internal_error (__FILE__, __LINE__,
_("Invalid register no. %d in store_register."), regno);
}
static void
-go32_store_registers (int regno)
+go32_store_registers (struct regcache *regcache, int regno)
{
unsigned r;
if (regno >= 0)
- store_register (regno);
+ store_register (regcache, regno);
else
{
- for (r = 0; r < FP0_REGNUM; r++)
- store_register (r);
- i387_fill_fsave ((char *) &npx, -1);
+ for (r = 0; r < gdbarch_fp0_regnum (get_regcache_arch (regcache)); r++)
+ store_register (regcache, r);
+ i387_collect_fsave (regcache, -1, &npx);
}
}
static void
-go32_prepare_to_store (void)
+go32_prepare_to_store (struct regcache *regcache)
{
}
push_target (&go32_ops);
clear_proceed_status ();
insert_breakpoints ();
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
prog_has_started = 1;
}
/* We are always processing GCC-compiled programs. */
processing_gcc_compilation = 2;
+
+ /* Override the default name of the GDB init file. */
+ strcpy (gdbinit, "gdb.ini");
}
unsigned short windows_major, windows_minor;
init_go32_ops ();
add_target (&go32_ops);
- add_prefix_cmd ("dos", class_info, go32_info_dos_command,
- "Print information specific to DJGPP (aka MS-DOS) debugging.",
+ add_prefix_cmd ("dos", class_info, go32_info_dos_command, _("\
+Print information specific to DJGPP (aka MS-DOS) debugging."),
&info_dos_cmdlist, "info dos ", 0, &infolist);
- add_cmd ("sysinfo", class_info, go32_sysinfo,
- "Display information about the target system, including CPU, OS, DPMI, etc.",
+ add_cmd ("sysinfo", class_info, go32_sysinfo, _("\
+Display information about the target system, including CPU, OS, DPMI, etc."),
&info_dos_cmdlist);
- add_cmd ("ldt", class_info, go32_sldt,
- "Display entries in the LDT (Local Descriptor Table).\n"
- "Entry number (an expression) as an argument means display only that entry.",
+ add_cmd ("ldt", class_info, go32_sldt, _("\
+Display entries in the LDT (Local Descriptor Table).\n\
+Entry number (an expression) as an argument means display only that entry."),
&info_dos_cmdlist);
- add_cmd ("gdt", class_info, go32_sgdt,
- "Display entries in the GDT (Global Descriptor Table).\n"
- "Entry number (an expression) as an argument means display only that entry.",
+ add_cmd ("gdt", class_info, go32_sgdt, _("\
+Display entries in the GDT (Global Descriptor Table).\n\
+Entry number (an expression) as an argument means display only that entry."),
&info_dos_cmdlist);
- add_cmd ("idt", class_info, go32_sidt,
- "Display entries in the IDT (Interrupt Descriptor Table).\n"
- "Entry number (an expression) as an argument means display only that entry.",
+ add_cmd ("idt", class_info, go32_sidt, _("\
+Display entries in the IDT (Interrupt Descriptor Table).\n\
+Entry number (an expression) as an argument means display only that entry."),
&info_dos_cmdlist);
- add_cmd ("pde", class_info, go32_pde,
- "Display entries in the Page Directory.\n"
- "Entry number (an expression) as an argument means display only that entry.",
+ add_cmd ("pde", class_info, go32_pde, _("\
+Display entries in the Page Directory.\n\
+Entry number (an expression) as an argument means display only that entry."),
&info_dos_cmdlist);
- add_cmd ("pte", class_info, go32_pte,
- "Display entries in Page Tables.\n"
- "Entry number (an expression) as an argument means display only entries\n"
- "from the Page Table pointed to by the specified Page Directory entry.",
+ add_cmd ("pte", class_info, go32_pte, _("\
+Display entries in Page Tables.\n\
+Entry number (an expression) as an argument means display only entries\n\
+from the Page Table pointed to by the specified Page Directory entry."),
&info_dos_cmdlist);
- add_cmd ("address-pte", class_info, go32_pte_for_address,
- "Display a Page Table entry for a linear address.\n"
- "The address argument must be a linear address, after adding to\n"
- "it the base address of the appropriate segment.\n"
- "The base address of variables and functions in the debuggee's data\n"
- "or code segment is stored in the variable __djgpp_base_address,\n"
- "so use `__djgpp_base_address + (char *)&var' as the argument.\n"
- "For other segments, look up their base address in the output of\n"
- "the `info dos ldt' command.",
+ add_cmd ("address-pte", class_info, go32_pte_for_address, _("\
+Display a Page Table entry for a linear address.\n\
+The address argument must be a linear address, after adding to\n\
+it the base address of the appropriate segment.\n\
+The base address of variables and functions in the debuggee's data\n\
+or code segment is stored in the variable __djgpp_base_address,\n\
+so use `__djgpp_base_address + (char *)&var' as the argument.\n\
+For other segments, look up their base address in the output of\n\
+the `info dos ldt' command."),
&info_dos_cmdlist);
}