diff options
Diffstat (limited to 'gdb/sparc64-linux-tdep.c')
-rw-r--r-- | gdb/sparc64-linux-tdep.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gdb/sparc64-linux-tdep.c b/gdb/sparc64-linux-tdep.c new file mode 100644 index 0000000..cd78557 --- /dev/null +++ b/gdb/sparc64-linux-tdep.c @@ -0,0 +1,82 @@ +/* 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); +} |