projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 386c036b MK |
1 | /* Target-dependent code for GNU/Linux UltraSPARC. |
| 2 | ||
| 3 | Copyright 2003 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 22 | #include "defs.h" | |
| 23 | #include "gdbarch.h" | |
| 24 | #include "osabi.h" | |
| 25 | #include "solib-svr4.h" | |
| 26 | ||
| 27 | #include "sparc64-tdep.h" | |
| 28 | ||
| 29 | static struct link_map_offsets * | |
| 30 | sparc64_linux_svr4_fetch_link_map_offsets (void) | |
| 31 | { | |
| 32 | static struct link_map_offsets lmo; | |
| 33 | static struct link_map_offsets *lmp = NULL; | |
| 34 | ||
| 35 | if (lmp == NULL) | |
| 36 | { | |
| 37 | lmp = &lmo; | |
| 38 | ||
| 39 | /* Everything we need is in the first 16 bytes. */ | |
| 40 | lmo.r_debug_size = 16; | |
| 41 | lmo.r_map_offset = 8; | |
| 42 | lmo.r_map_size = 8; | |
| 43 | ||
| 44 | /* Everything we need is in the first 40 bytes. */ | |
| 45 | lmo.link_map_size = 40; | |
| 46 | lmo.l_addr_offset = 0; | |
| 47 | lmo.l_addr_size = 8; | |
| 48 | lmo.l_name_offset = 8; | |
| 49 | lmo.l_name_size = 8; | |
| 50 | lmo.l_next_offset = 24; | |
| 51 | lmo.l_next_size = 8; | |
| 52 | lmo.l_prev_offset = 32; | |
| 53 | lmo.l_prev_size = 8; | |
| 54 | } | |
| 55 | ||
| 56 | return lmp; | |
| 57 | } | |
| 58 | ||
| 59 | static void | |
| 60 | sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
| 61 | { | |
| 62 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
| 63 | ||
| 64 | /* GNU/Linux is very similar to Solaris ... */ | |
| 65 | sparc64_sol2_init_abi (info, gdbarch); | |
| 66 | ||
| 67 | /* ... but doesn't have kernel-assisted single-stepping support. */ | |
| 68 | set_gdbarch_software_single_step (gdbarch, sparc_software_single_step); | |
| 69 | ||
| 70 | set_solib_svr4_fetch_link_map_offsets | |
| 71 | (gdbarch, sparc64_linux_svr4_fetch_link_map_offsets); | |
| 72 | } | |
| 73 | ||
| 74 | /* Provide a prototype to silence -Wmissing-prototypes. */ | |
| 75 | extern void _initialize_sparc64_linux_tdep (void); | |
| 76 | ||
| 77 | void | |
| 78 | _initialize_sparc64_linux_tdep (void) | |
| 79 | { | |
| 80 | gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9, | |
| 81 | GDB_OSABI_LINUX, sparc64_linux_init_abi); | |
| 82 | } |