| /* 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); |
| } |