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* i386nbsd-nat.c: Delete file. Move fetch_core_registers and

Browse Source 
fetch_elfcore_registers to...
* i386nbsd-tdep.c: ...here.
(i386nbsd_use_struct_convention): Rename to...
(i386nbsd_aout_use_struct_convention): ...this.
(i386nbsd_supply_reg): New function.
(i386nbsd_fill_reg): New function.
(fetch_core_registers): Use i386nbsd_supply_reg.
(fetch_elfcore_registers): Likewise.
(_initialize_i386nbsd_tdep): New function.
* config/i386/nbsd.mh (NATDEPFILES): Remove i386nbsd-nat.o.
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
* config/i386/nbsdelf.mt (TDEPFILES): Add i386nbsd-tdep.o.
* config/i386/tm-nbsd.h (i386nbsd_use_struct_convention): Rename to...
(i386nbsd_aout_use_struct_convention): ...this.
This commit is contained in:
Jason Thorpe
2002-05-11 21:22:51 +00:00
parent 6360824b6e
commit dfe6eb1f71
7 changed files with 148 additions and 139 deletions
Download Patch File Download Diff File Expand all files Collapse all files

127
gdb/i386nbsd-tdep.c
View File

@ -1,5 +1,5 @@
/* Target-dependent code for NetBSD/i386, for GDB.
Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001
Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GDB.
@ -21,12 +21,135 @@
#include "defs.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "regcache.h"
#include "i387-tdep.h"
/* Map a GDB register number to an offset in the reg structure. */
static int regmap[] =
{
( 0 * 4), /* %eax */
( 1 * 4), /* %ecx */
( 2 * 4), /* %edx */
( 3 * 4), /* %ebx */
( 4 * 4), /* %esp */
( 5 * 4), /* %epb */
( 6 * 4), /* %esi */
( 7 * 4), /* %edi */
( 8 * 4), /* %eip */
( 9 * 4), /* %eflags */
(10 * 4), /* %cs */
(11 * 4), /* %ss */
(12 * 4), /* %ds */
(13 * 4), /* %es */
(14 * 4), /* %fs */
(15 * 4), /* %gs */
};
#define SIZEOF_STRUCT_REG (16 * 4)
static void
i386nbsd_supply_reg (char *regs, int regno)
{
int i;
for (i = 0; i <= 15; i++)
if (regno == i || regno == -1)
supply_register (i, regs + regmap[i]);
}
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
CORE_ADDR ignore)
{
char *regs, *fsave;
/* We get everything from one section. */
if (which != 0)
return;
if (core_reg_size < (SIZEOF_STRUCT_REG + 108))
{
warning ("Wrong size register set in core file.");
return;
}
regs = core_reg_sect;
fsave = core_reg_sect + SIZEOF_STRUCT_REG;
/* Integer registers. */
i386nbsd_supply_reg (regs, -1);
/* Floating point registers. */
i387_supply_fsave (fsave);
}
static void
fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
CORE_ADDR ignore)
{
switch (which)
{
case 0: /* Integer registers. */
if (core_reg_size != SIZEOF_STRUCT_REG)
warning ("Wrong size register set in core file.");
else
i386nbsd_supply_reg (core_reg_sect, -1);
break;
case 2: /* Floating point registers. */
if (core_reg_size != 108)
warning ("Wrong size FP register set in core file.");
else
i387_supply_fsave (core_reg_sect);
break;
case 3: /* "Extended" floating point registers. This is gdb-speak
for SSE/SSE2. */
if (core_reg_size != 512)
warning ("Wrong size XMM register set in core file.");
else
i387_supply_fxsave (core_reg_sect);
break;
default:
/* Don't know what kind of register request this is; just ignore it. */
break;
}
}
static struct core_fns i386nbsd_core_fns =
{
bfd_target_unknown_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_core_registers, /* core_read_registers */
NULL /* next */
};
static struct core_fns i386nbsd_elfcore_fns =
{
bfd_target_elf_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_elfcore_registers, /* core_read_registers */
NULL /* next */
};
/* FIXME: should be multi-arch'd */
int
i386nbsd_use_struct_convention (int gcc_p, struct type *type)
i386nbsd_aout_use_struct_convention (int gcc_p, struct type *type)
{
return !(TYPE_LENGTH (type) == 1
|| TYPE_LENGTH (type) == 2
|| TYPE_LENGTH (type) == 4
|| TYPE_LENGTH (type) == 8);
}
void
_initialize_i386nbsd_tdep (void)
{
add_core_fns (&i386nbsd_core_fns);
add_core_fns (&i386nbsd_elfcore_fns);
}