* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
/* OS ABI variant handling for GDB.
|
|
|
|
|
Copyright 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"
|
2002-08-28 06:37:14 +08:00
|
|
|
|
#include "gdb_string.h"
|
* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
#include "osabi.h"
|
|
|
|
|
|
|
|
|
|
#include "elf-bfd.h"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* This table matches the indices assigned to enum gdb_osabi. Keep
|
|
|
|
|
them in sync. */
|
|
|
|
|
static const char * const gdb_osabi_names[] =
|
|
|
|
|
{
|
|
|
|
|
"<unknown>",
|
|
|
|
|
|
|
|
|
|
"SVR4",
|
|
|
|
|
"GNU/Hurd",
|
|
|
|
|
"Solaris",
|
|
|
|
|
"OSF/1",
|
|
|
|
|
"GNU/Linux",
|
|
|
|
|
"FreeBSD a.out",
|
|
|
|
|
"FreeBSD ELF",
|
|
|
|
|
"NetBSD a.out",
|
|
|
|
|
"NetBSD ELF",
|
|
|
|
|
"Windows CE",
|
2002-06-09 23:11:47 +08:00
|
|
|
|
"DJGPP",
|
|
|
|
|
"NetWare",
|
2002-07-27 09:28:43 +08:00
|
|
|
|
"Irix",
|
2002-06-15 20:26:31 +08:00
|
|
|
|
"LynxOS",
|
2002-09-12 08:26:30 +08:00
|
|
|
|
"Interix",
|
2002-12-03 07:26:30 +08:00
|
|
|
|
"HP/UX ELF",
|
|
|
|
|
"HP/UX SOM",
|
* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
|
|
|
|
|
"ARM EABI v1",
|
|
|
|
|
"ARM EABI v2",
|
|
|
|
|
"ARM APCS",
|
|
|
|
|
|
|
|
|
|
"<invalid>"
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const char *
|
|
|
|
|
gdbarch_osabi_name (enum gdb_osabi osabi)
|
|
|
|
|
{
|
|
|
|
|
if (osabi >= GDB_OSABI_UNKNOWN && osabi < GDB_OSABI_INVALID)
|
|
|
|
|
return gdb_osabi_names[osabi];
|
|
|
|
|
|
|
|
|
|
return gdb_osabi_names[GDB_OSABI_INVALID];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Handler for a given architecture/OS ABI pair. There should be only
|
|
|
|
|
one handler for a given OS ABI each architecture family. */
|
|
|
|
|
struct gdb_osabi_handler
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_handler *next;
|
|
|
|
|
enum bfd_architecture arch;
|
|
|
|
|
enum gdb_osabi osabi;
|
|
|
|
|
void (*init_osabi)(struct gdbarch_info, struct gdbarch *);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct gdb_osabi_handler *gdb_osabi_handler_list;
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
gdbarch_register_osabi (enum bfd_architecture arch, enum gdb_osabi osabi,
|
|
|
|
|
void (*init_osabi)(struct gdbarch_info,
|
|
|
|
|
struct gdbarch *))
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_handler **handler_p;
|
|
|
|
|
|
|
|
|
|
/* Registering an OS ABI handler for "unknown" is not allowed. */
|
|
|
|
|
if (osabi == GDB_OSABI_UNKNOWN)
|
|
|
|
|
{
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"gdbarch_register_osabi: An attempt to register a handler for "
|
|
|
|
|
"OS ABI \"%s\" for architecture %s was made. The handler will "
|
|
|
|
|
"not be registered",
|
|
|
|
|
gdbarch_osabi_name (osabi),
|
|
|
|
|
bfd_printable_arch_mach (arch, 0));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (handler_p = &gdb_osabi_handler_list; *handler_p != NULL;
|
|
|
|
|
handler_p = &(*handler_p)->next)
|
|
|
|
|
{
|
|
|
|
|
if ((*handler_p)->arch == arch
|
|
|
|
|
&& (*handler_p)->osabi == osabi)
|
|
|
|
|
{
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"gdbarch_register_osabi: A handler for OS ABI \"%s\" "
|
|
|
|
|
"has already been registered for architecture %s",
|
|
|
|
|
gdbarch_osabi_name (osabi),
|
|
|
|
|
bfd_printable_arch_mach (arch, 0));
|
|
|
|
|
/* If user wants to continue, override previous definition. */
|
|
|
|
|
(*handler_p)->init_osabi = init_osabi;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
(*handler_p)
|
|
|
|
|
= (struct gdb_osabi_handler *) xmalloc (sizeof (struct gdb_osabi_handler));
|
|
|
|
|
(*handler_p)->next = NULL;
|
|
|
|
|
(*handler_p)->arch = arch;
|
|
|
|
|
(*handler_p)->osabi = osabi;
|
|
|
|
|
(*handler_p)->init_osabi = init_osabi;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Sniffer to find the OS ABI for a given file's architecture and flavour.
|
|
|
|
|
It is legal to have multiple sniffers for each arch/flavour pair, to
|
|
|
|
|
disambiguate one OS's a.out from another, for example. The first sniffer
|
|
|
|
|
to return something other than GDB_OSABI_UNKNOWN wins, so a sniffer should
|
|
|
|
|
be careful to claim a file only if it knows for sure what it is. */
|
|
|
|
|
struct gdb_osabi_sniffer
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_sniffer *next;
|
|
|
|
|
enum bfd_architecture arch; /* bfd_arch_unknown == wildcard */
|
|
|
|
|
enum bfd_flavour flavour;
|
|
|
|
|
enum gdb_osabi (*sniffer)(bfd *);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct gdb_osabi_sniffer *gdb_osabi_sniffer_list;
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
gdbarch_register_osabi_sniffer (enum bfd_architecture arch,
|
|
|
|
|
enum bfd_flavour flavour,
|
|
|
|
|
enum gdb_osabi (*sniffer_fn)(bfd *))
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_sniffer *sniffer;
|
|
|
|
|
|
|
|
|
|
sniffer =
|
|
|
|
|
(struct gdb_osabi_sniffer *) xmalloc (sizeof (struct gdb_osabi_sniffer));
|
|
|
|
|
sniffer->arch = arch;
|
|
|
|
|
sniffer->flavour = flavour;
|
|
|
|
|
sniffer->sniffer = sniffer_fn;
|
|
|
|
|
|
|
|
|
|
sniffer->next = gdb_osabi_sniffer_list;
|
|
|
|
|
gdb_osabi_sniffer_list = sniffer;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
enum gdb_osabi
|
|
|
|
|
gdbarch_lookup_osabi (bfd *abfd)
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_sniffer *sniffer;
|
|
|
|
|
enum gdb_osabi osabi, match;
|
|
|
|
|
int match_specific;
|
|
|
|
|
|
|
|
|
|
match = GDB_OSABI_UNKNOWN;
|
|
|
|
|
match_specific = 0;
|
|
|
|
|
|
|
|
|
|
for (sniffer = gdb_osabi_sniffer_list; sniffer != NULL;
|
|
|
|
|
sniffer = sniffer->next)
|
|
|
|
|
{
|
|
|
|
|
if ((sniffer->arch == bfd_arch_unknown /* wildcard */
|
|
|
|
|
|| sniffer->arch == bfd_get_arch (abfd))
|
|
|
|
|
&& sniffer->flavour == bfd_get_flavour (abfd))
|
|
|
|
|
{
|
|
|
|
|
osabi = (*sniffer->sniffer) (abfd);
|
|
|
|
|
if (osabi < GDB_OSABI_UNKNOWN || osabi >= GDB_OSABI_INVALID)
|
|
|
|
|
{
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"gdbarch_lookup_osabi: invalid OS ABI (%d) from sniffer "
|
|
|
|
|
"for architecture %s flavour %d",
|
|
|
|
|
(int) osabi,
|
|
|
|
|
bfd_printable_arch_mach (bfd_get_arch (abfd), 0),
|
|
|
|
|
(int) bfd_get_flavour (abfd));
|
|
|
|
|
}
|
|
|
|
|
else if (osabi != GDB_OSABI_UNKNOWN)
|
|
|
|
|
{
|
|
|
|
|
/* A specific sniffer always overrides a generic sniffer.
|
|
|
|
|
Croak on multiple match if the two matches are of the
|
|
|
|
|
same class. If the user wishes to continue, we'll use
|
|
|
|
|
the first match. */
|
|
|
|
|
if (match != GDB_OSABI_UNKNOWN)
|
|
|
|
|
{
|
|
|
|
|
if ((match_specific && sniffer->arch != bfd_arch_unknown)
|
|
|
|
|
|| (!match_specific && sniffer->arch == bfd_arch_unknown))
|
|
|
|
|
{
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"gdbarch_lookup_osabi: multiple %sspecific OS ABI "
|
|
|
|
|
"match for architecture %s flavour %d: first "
|
|
|
|
|
"match \"%s\", second match \"%s\"",
|
|
|
|
|
match_specific ? "" : "non-",
|
|
|
|
|
bfd_printable_arch_mach (bfd_get_arch (abfd), 0),
|
|
|
|
|
(int) bfd_get_flavour (abfd),
|
|
|
|
|
gdbarch_osabi_name (match),
|
|
|
|
|
gdbarch_osabi_name (osabi));
|
|
|
|
|
}
|
|
|
|
|
else if (sniffer->arch != bfd_arch_unknown)
|
|
|
|
|
{
|
|
|
|
|
match = osabi;
|
|
|
|
|
match_specific = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
match = osabi;
|
|
|
|
|
if (sniffer->arch != bfd_arch_unknown)
|
|
|
|
|
match_specific = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return match;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
gdbarch_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch,
|
|
|
|
|
enum gdb_osabi osabi)
|
|
|
|
|
{
|
|
|
|
|
struct gdb_osabi_handler *handler;
|
|
|
|
|
bfd *abfd = info.abfd;
|
|
|
|
|
const struct bfd_arch_info *arch_info = gdbarch_bfd_arch_info (gdbarch);
|
|
|
|
|
|
|
|
|
|
if (osabi == GDB_OSABI_UNKNOWN)
|
|
|
|
|
{
|
2002-08-19 01:59:57 +08:00
|
|
|
|
/* Don't complain about an unknown OSABI. Assume the user knows
|
|
|
|
|
what they are doing. */
|
* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (handler = gdb_osabi_handler_list; handler != NULL;
|
|
|
|
|
handler = handler->next)
|
|
|
|
|
{
|
|
|
|
|
if (handler->arch == bfd_get_arch (abfd)
|
|
|
|
|
&& handler->osabi == osabi)
|
|
|
|
|
{
|
|
|
|
|
(*handler->init_osabi) (info, gdbarch);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* We assume that if GDB_MULTI_ARCH is less than GDB_MULTI_ARCH_TM
|
|
|
|
|
that an ABI variant can be supported by overriding definitions in
|
|
|
|
|
the tm-file. */
|
|
|
|
|
if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
|
|
|
|
|
fprintf_filtered
|
|
|
|
|
(gdb_stderr,
|
|
|
|
|
"A handler for the OS ABI \"%s\" is not built into this "
|
|
|
|
|
"configuration of GDB. "
|
|
|
|
|
"Attempting to continue with the default %s settings",
|
|
|
|
|
gdbarch_osabi_name (osabi),
|
|
|
|
|
bfd_printable_arch_mach (arch_info->arch, arch_info->mach));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Generic sniffer for ELF flavoured files. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
generic_elf_osabi_sniff_abi_tag_sections (bfd *abfd, asection *sect, void *obj)
|
|
|
|
|
{
|
|
|
|
|
enum gdb_osabi *os_ident_ptr = obj;
|
|
|
|
|
const char *name;
|
|
|
|
|
unsigned int sectsize;
|
|
|
|
|
|
|
|
|
|
name = bfd_get_section_name (abfd, sect);
|
|
|
|
|
sectsize = bfd_section_size (abfd, sect);
|
|
|
|
|
|
|
|
|
|
/* .note.ABI-tag notes, used by GNU/Linux and FreeBSD. */
|
|
|
|
|
if (strcmp (name, ".note.ABI-tag") == 0 && sectsize > 0)
|
|
|
|
|
{
|
|
|
|
|
unsigned int name_length, data_length, note_type;
|
|
|
|
|
char *note;
|
|
|
|
|
|
|
|
|
|
/* If the section is larger than this, it's probably not what we are
|
|
|
|
|
looking for. */
|
|
|
|
|
if (sectsize > 128)
|
|
|
|
|
sectsize = 128;
|
|
|
|
|
|
|
|
|
|
note = alloca (sectsize);
|
|
|
|
|
|
|
|
|
|
bfd_get_section_contents (abfd, sect, note,
|
|
|
|
|
(file_ptr) 0, (bfd_size_type) sectsize);
|
|
|
|
|
|
|
|
|
|
name_length = bfd_h_get_32 (abfd, note);
|
|
|
|
|
data_length = bfd_h_get_32 (abfd, note + 4);
|
|
|
|
|
note_type = bfd_h_get_32 (abfd, note + 8);
|
|
|
|
|
|
|
|
|
|
if (name_length == 4 && data_length == 16 && note_type == NT_GNU_ABI_TAG
|
|
|
|
|
&& strcmp (note + 12, "GNU") == 0)
|
|
|
|
|
{
|
|
|
|
|
int os_number = bfd_h_get_32 (abfd, note + 16);
|
|
|
|
|
|
|
|
|
|
switch (os_number)
|
|
|
|
|
{
|
|
|
|
|
case GNU_ABI_TAG_LINUX:
|
|
|
|
|
*os_ident_ptr = GDB_OSABI_LINUX;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case GNU_ABI_TAG_HURD:
|
|
|
|
|
*os_ident_ptr = GDB_OSABI_HURD;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case GNU_ABI_TAG_SOLARIS:
|
|
|
|
|
*os_ident_ptr = GDB_OSABI_SOLARIS;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"generic_elf_osabi_sniff_abi_tag_sections: unknown OS number %d",
|
|
|
|
|
os_number);
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
else if (name_length == 8 && data_length == 4
|
|
|
|
|
&& note_type == NT_FREEBSD_ABI_TAG
|
|
|
|
|
&& strcmp (note + 12, "FreeBSD") == 0)
|
|
|
|
|
{
|
|
|
|
|
/* XXX Should we check the version here? Probably not
|
|
|
|
|
necessary yet. */
|
|
|
|
|
*os_ident_ptr = GDB_OSABI_FREEBSD_ELF;
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* .note.netbsd.ident notes, used by NetBSD. */
|
|
|
|
|
if (strcmp (name, ".note.netbsd.ident") == 0 && sectsize > 0)
|
|
|
|
|
{
|
|
|
|
|
unsigned int name_length, data_length, note_type;
|
|
|
|
|
char *note;
|
|
|
|
|
|
|
|
|
|
/* If the section is larger than this, it's probably not what we are
|
|
|
|
|
looking for. */
|
|
|
|
|
if (sectsize > 128)
|
|
|
|
|
sectsize = 128;
|
|
|
|
|
|
|
|
|
|
note = alloca (sectsize);
|
|
|
|
|
|
|
|
|
|
bfd_get_section_contents (abfd, sect, note,
|
|
|
|
|
(file_ptr) 0, (bfd_size_type) sectsize);
|
|
|
|
|
|
|
|
|
|
name_length = bfd_h_get_32 (abfd, note);
|
|
|
|
|
data_length = bfd_h_get_32 (abfd, note + 4);
|
|
|
|
|
note_type = bfd_h_get_32 (abfd, note + 8);
|
|
|
|
|
|
|
|
|
|
if (name_length == 7 && data_length == 4 && note_type == NT_NETBSD_IDENT
|
|
|
|
|
&& strcmp (note + 12, "NetBSD") == 0)
|
|
|
|
|
{
|
|
|
|
|
/* XXX Should we check the version here? Probably not
|
|
|
|
|
necessary yet. */
|
|
|
|
|
*os_ident_ptr = GDB_OSABI_NETBSD_ELF;
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static enum gdb_osabi
|
|
|
|
|
generic_elf_osabi_sniffer (bfd *abfd)
|
|
|
|
|
{
|
|
|
|
|
unsigned int elfosabi;
|
|
|
|
|
enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
|
|
|
|
|
|
|
|
|
|
elfosabi = elf_elfheader (abfd)->e_ident[EI_OSABI];
|
|
|
|
|
|
|
|
|
|
switch (elfosabi)
|
|
|
|
|
{
|
|
|
|
|
case ELFOSABI_NONE:
|
|
|
|
|
/* When elfosabi is ELFOSABI_NONE (0), then the ELF structures in the
|
|
|
|
|
file are conforming to the base specification for that machine
|
|
|
|
|
(there are no OS-specific extensions). In order to determine the
|
|
|
|
|
real OS in use we must look for OS notes that have been added. */
|
|
|
|
|
bfd_map_over_sections (abfd,
|
|
|
|
|
generic_elf_osabi_sniff_abi_tag_sections,
|
|
|
|
|
&osabi);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ELFOSABI_FREEBSD:
|
|
|
|
|
osabi = GDB_OSABI_FREEBSD_ELF;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ELFOSABI_NETBSD:
|
|
|
|
|
osabi = GDB_OSABI_NETBSD_ELF;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ELFOSABI_LINUX:
|
|
|
|
|
osabi = GDB_OSABI_LINUX;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ELFOSABI_HURD:
|
|
|
|
|
osabi = GDB_OSABI_HURD;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ELFOSABI_SOLARIS:
|
|
|
|
|
osabi = GDB_OSABI_SOLARIS;
|
|
|
|
|
break;
|
2002-12-03 07:26:30 +08:00
|
|
|
|
|
|
|
|
|
case ELFOSABI_HPUX:
|
|
|
|
|
osabi = GDB_OSABI_HPUX_ELF;
|
|
|
|
|
break;
|
* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
}
|
|
|
|
|
|
2002-07-04 23:36:51 +08:00
|
|
|
|
if (osabi == GDB_OSABI_UNKNOWN)
|
|
|
|
|
{
|
|
|
|
|
/* The FreeBSD folks have been naughty; they stored the string
|
|
|
|
|
"FreeBSD" in the padding of the e_ident field of the ELF
|
|
|
|
|
header to "brand" their ELF binaries in FreeBSD 3.x. */
|
|
|
|
|
if (strcmp (&elf_elfheader (abfd)->e_ident[8], "FreeBSD") == 0)
|
|
|
|
|
osabi = GDB_OSABI_FREEBSD_ELF;
|
|
|
|
|
}
|
|
|
|
|
|
* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
|
|
|
|
return osabi;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
_initialize_gdb_osabi (void)
|
|
|
|
|
{
|
|
|
|
|
if (strcmp (gdb_osabi_names[GDB_OSABI_INVALID], "<invalid>") != 0)
|
|
|
|
|
internal_error
|
|
|
|
|
(__FILE__, __LINE__,
|
|
|
|
|
"_initialize_gdb_osabi: gdb_osabi_names[] is inconsistent");
|
|
|
|
|
|
|
|
|
|
/* Register a generic sniffer for ELF flavoured files. */
|
|
|
|
|
gdbarch_register_osabi_sniffer (bfd_arch_unknown,
|
|
|
|
|
bfd_target_elf_flavour,
|
|
|
|
|
generic_elf_osabi_sniffer);
|
|
|
|
|
}
|