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/* Target-dependent code for GNU/Linux UltraSPARC.
Copyright 2003 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 "gdbarch.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "sparc64-tdep.h"
static struct link_map_offsets *
sparc64_linux_svr4_fetch_link_map_offsets (void)
{
static struct link_map_offsets lmo;
static struct link_map_offsets *lmp = NULL;
if (lmp == NULL)
{
lmp = &lmo;
/* Everything we need is in the first 16 bytes. */
lmo.r_debug_size = 16;
lmo.r_map_offset = 8;
lmo.r_map_size = 8;
/* Everything we need is in the first 40 bytes. */
lmo.link_map_size = 40;
lmo.l_addr_offset = 0;
lmo.l_addr_size = 8;
lmo.l_name_offset = 8;
lmo.l_name_size = 8;
lmo.l_next_offset = 24;
lmo.l_next_size = 8;
lmo.l_prev_offset = 32;
lmo.l_prev_size = 8;
}
return lmp;
}
static void
sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* GNU/Linux is very similar to Solaris ... */
sparc64_sol2_init_abi (info, gdbarch);
/* ... but doesn't have kernel-assisted single-stepping support. */
set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, sparc64_linux_svr4_fetch_link_map_offsets);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern void _initialize_sparc64_linux_tdep (void);
void
_initialize_sparc64_linux_tdep (void)
{
gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
GDB_OSABI_LINUX, sparc64_linux_init_abi);
}
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