83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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/* Target-dependent code for GNU/Linux UltraSPARC.
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Copyright 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbarch.h"
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#include "osabi.h"
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#include "solib-svr4.h"
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#include "sparc64-tdep.h"
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static struct link_map_offsets *
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sparc64_linux_svr4_fetch_link_map_offsets (void)
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{
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static struct link_map_offsets lmo;
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static struct link_map_offsets *lmp = NULL;
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if (lmp == NULL)
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{
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lmp = &lmo;
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/* Everything we need is in the first 16 bytes. */
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lmo.r_debug_size = 16;
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lmo.r_map_offset = 8;
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lmo.r_map_size = 8;
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/* Everything we need is in the first 40 bytes. */
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lmo.link_map_size = 40;
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lmo.l_addr_offset = 0;
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lmo.l_addr_size = 8;
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lmo.l_name_offset = 8;
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lmo.l_name_size = 8;
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lmo.l_next_offset = 24;
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lmo.l_next_size = 8;
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lmo.l_prev_offset = 32;
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lmo.l_prev_size = 8;
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}
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return lmp;
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}
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static void
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sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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/* GNU/Linux is very similar to Solaris ... */
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sparc64_sol2_init_abi (info, gdbarch);
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/* ... but doesn't have kernel-assisted single-stepping support. */
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set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, sparc64_linux_svr4_fetch_link_map_offsets);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern void _initialize_sparc64_linux_tdep (void);
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void
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_initialize_sparc64_linux_tdep (void)
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{
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gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
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GDB_OSABI_LINUX, sparc64_linux_init_abi);
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}
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