old-cross-binutils/gdb/i386nbsd-tdep.c
Mark Kettenis 8201327c40 * config/i386/i386sol2.mt (TDEPFILES): Add i386-sol2-tdep.o and
i386bsd-tdep.o.  Remove solib.o, solib-svr4.o and solib-legacy.o.
Move these to ...
* config/i386/i386sol2.mh: ... here.
* config/i386/tm-i386sol2.h (STAB_REG_TO_REGNUM): Remove define.
(sigtramp_saved_pc, I386V4_SIGTRAMP_SAVED_PC): Don't #undef.
(SIGCONTEXT_PC_OFFSET): Remove define.
(IN_SIGTRAMP): Remove define.
* i386-sol2-tdep.c: New file.

* config/i386/i386nw.mt (TM_FILE): Change to tm-i386.h.
* config/i386/tm-i386nw.h: Removed.

* config/i386/tm-fbsd.h (STAB_REG_TO_REGNUM,
USE_STRUCT_CONVENTION): Remove defines.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(IN_SIGTRAMP): Remove define.
(i386bsd_in_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Turn into a
function.  Update comment accordingly
(SIGTRAMP_START, SIGTRAMP): Adjust definition accordingly.
(FRAME_SAVED_PC): Remove define.
(i386bsd_frame_saved_pc): Remove prototype.
* config/i386/tm-nbsd.h (JB_ELEMENT_SIZE, JB_PC,
GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(IN_SIGTRAMP): Remove define.
(i386bsd_in_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Turn into a
function.  Update comment accordingly
(SIGTRAMP_START, SIGTRAMP): Adjust definition accordingly.
(FRAME_SAVED_PC): Remove define.
(i386bsd_frame_saved_pc): Remove prototype.
* config/i386/tm-nbsdaout.h (i386nbsd_aout_use_struct_convention):
Remove prototype.
(USE_STRUCT_CONVENTION): Remove prototype.
* i386bsd-nat.c (i386bsd_sigcontext_pc_offset): Remove
declaration.
(_initialize_i386bsd_nat): Revise logic to determine some
constants at compile time when compiling a native GDB.  Warn if
things don't match up with what we expect.
* i386bsd-tdep.c (i386bsd_sigtramp_start, i386bsd_sigtramp_end):
Remove variables.
(i386bsd_in_sigtramp): Rename tp i386bsd_pc_in_sigtramp.  Rewrite
to use date stored in `struct gdbarch_tdep'.
(i386bsd_sigcontext_offset): Remove varaible.
(i386bsd_sigtramp_saved_pc): Make public.  Rewrite to use data
stored in `struct gdbarch_tdep'.
(i386bsd_frame_saved_pc): Make static.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): New functions.
(i386bsd_sc_pc_offset, i386nbsd_sc_pc_offset,
i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,
i386fbsd4_sc_pc_offset): New variables.
(i386bsd_init_abi, i386nbsd_init_abi, i386nbsdelf_init_abi,
i386fbsdaout_init_abi, i386fbsd_init_abi, i386fbsd4_init_abi): New
functions.
(i386bsd_aout_osabi_sniffer, _initialize_i386bsd_tdep): New
functions.
* i386fbsd-nat.c (_initialize_i386fbsd_nat): Fix type in comment.
Modify the value of i386fbsd_sigtramp_start and
i386fbsd_sigtramp_end instead of i386bsd_sigtramp_start and
i386fbsd_sigtramp_end.
* i386nbsd-tdep.c: (i386nbsd_aout_use_struct_convention): Remove
function.

* config/i386/tm-linux.h (I386_LINUX_ORIG_EAX_REGNUM): Move
define to i386-linux-tdep.h.
(NUM_REGS, MAX_NUM_REGS, REGISTER_BYTES, REGISTER_NAME,
REGISTER_BYTE, REGISTER_RAW_SIZE, STAB_REG_TO_REGNUM): Remove
defines.
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size): Remove prototypes.
(i386_linux_svr4_fetch_link_map_offsets): Remove prototype.
(SVR4_FETCH_LINK_MAP_OFFSETS): Remove define.
(IN_SIGTRAMP, FRAME_CHAIN, FRAME_SAVED_PC, SAVED_PC_AFTER_CALL,
TARGET_WRITE_PC): Remove defines.
(i386_linux_in_sigtramp, i386_linux_frame_chain,
i386_linux_frame_saved_pc, i386_linux_saved_pc_after_call,
i386_linux_write_pc): Remove prototypes.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
* i386-linux-tdep.h: New file.
* i386-linux-nat.c: Include "i386-linux-tdep.h".
* i386-linux-tdep.c: Include "i386-tdep.h" and
"i386-linux-tdep.h".
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size, i386_linux_in_sigtramp,
i386_linux_write_pc, i386_linux_svr4_fetch_link_map_offsets):
Make static.
(i386_linux_init_abi): New function.
(_initialize_i386_linux_tdep): New function.

* config/i386/tm-i386.h (SAVED_PC_AFTER_CALL): Remove define.
(i386_saved_pc_after_call): Remove prototype.
(MAX_NUM_REGS): Increase to deal with Linux's orig_eax "register".
(REGISTER_NAME, STAB_REG_TO_REGNUM, SDB_REG_TO_REGNUM,
DWARF_REG_TO_REGNUM, DWARF2_REG_TO_REGNUM): Remove defines.
(i386_register_name, i386_stab_reg_to_regnum,
i386_dwarf_reg_to_regnum): Remove prototypes.
(SIZEOF_GREGS, SIZEOF_FPU_REGS, SIZEOF_FPU_CTL_REGS,
SIZEOF_SSE_REGS): Remove defines.
(REGISTER_BYTES): Remove define.
(REGISTER_BYTE, REGISTER_RAW_SIZE): Remove defines.
(i386_register_byte, i386_register_raw_size): Remove prototypes.
(FRAME_CHAIN, FRAME_SAVED_PC): Remove defines.
(i386_frame_chain, i386_frame_saved_pc): Remove prototypes.
* config/i386/tm-i386v4.h (FRAME_CHAIN_VALID): Remove define.
(JB_ELEMENT_SIZE, JB_PC, JB_EBX, JB_ESI, JB_EDI, JB_EBP, JB_ESP,
JB_EDX, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(I386V4_SIGTRAMP_SAVED_PC, IN_SIGTRAMP): Remove defines.
(sigtramp_saved_pc): Remove define.
(i386v4_sigtramp_saved_pc): Remove prototype.
* config/i386/tm-go32.h (FRAME_CHAIN,
FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC): Remove defines.
(i386go32_frame_saved_pc): Remove prototype.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
* i386-tdep.h: Include "osabi.h".
(enum i386_abi): Removed.
(enum struct_return): New enum.
(struct gdbarch_tdep): Remove abi member, add osabi, jb_pc_offset,
struct_return, sigtramp_saved_pc, sigtramp_start, sigtramp_end and
sc_pc_offset members.
(i386_gdbarch_register_os_abi): Remove prototype.
(I386_NUM_GREGS, I386_NUM_FREGS, I386_NUM_XREGS,
I386_SSE_NUM_REGS): New defines.
(I386_SIZEOF_GREGS, I386_SIZEOF_FREGS, I386_SIZEOF_XREGS,
I386_SSE_SIZEOF_REGS): New defines.
(i386_register_name, i386_register_byte, i386_register_raw_size):
New prototypes.
(i386_elf_init_abi, i386_svr4_init_abi): New prototypes.
(i386bsd_sigtramp_saved_pc): New prototype.
* i386-tdep.c: Don't include "elf-bfd.h".
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum,
i386_frame_chain, i386_saved_pc_after_call): Make static.
(i386_frame_saved_pc): Rewrite to call architecture dependent
function to deal with signal handlers.  Make static.
(i386go32_frame_saved_pc): Removed.
[GET_LONGJMP_TARGET] (JB_PC, JB_ELEMENT_SIZE, get_longjmp_target):
Removed.
(i386_get_longjmp_target): New function.
(default_struct_convention, pcc_struct_convention,
reg_struct_convention, valid_conventions, struct_convention): New
variables.
(i386_use_struct_convention): New function.
(i386v4_sigtramp_saved_pc): Renamed to
i386_svr4_sigtramp_saved_pc.  Made static.  Moved.
(i386_pc_in_sigtramp): New function.
(i386_abi_names): Removed.
(ABI_TAG_OS_GNU_LINUX, ABI_TAG_OS_GNU_HURD,
ABI_TAG_OS_GNU_SOLARIS, ABI_TAG_OS_FREEBSD, ABI_TAG_OS_NETBSD):
Removed.
(process_note_sections, i386_elf_abi_from_note, i386_elf_abi,
i386_gdbarch_register_os_abi): Removed.
(struct i386_abi_handler): Removed.
(i386_abi_handler_list): Removed.
(i386_svr4_pc_in_sigtramp, i386_go32_pc_in_sigtramp): New
functions.
(i386_elf_init_abi, i386_svr4_init_abi, i386_go32_init_abi,
i386_nw_init_abi): New functions.
(i386_gdbarch_init): Rewritten to use generic OS ABI framework.
Use set_gdbarch_xxx() calls instead of relying on macros for a
number of calls.
(i386_coff_osabi_sniffer, i386_nlm_osabi_sniffer): New functions.
(_initialize_i386_tdep): Add new 'struct-convcention' command.
Register the various architecture variants defined in this file.
2002-06-14 19:42:20 +00:00

145 lines
3.7 KiB
C

/* Target-dependent code for NetBSD/i386, for GDB.
Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001, 2002
Free Software Foundation, Inc.
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
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#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 */
};
void
_initialize_i386nbsd_tdep (void)
{
add_core_fns (&i386nbsd_core_fns);
add_core_fns (&i386nbsd_elfcore_fns);
}