/* Common target-dependent code for NetBSD systems. Copyright 2002 Free Software Foundation, Inc. Contributed by Wasabi Systems, 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 "gdb_string.h" #include "solib-svr4.h" /* Fetch (and possibly build) an appropriate link_map_offsets structure for NetBSD targets using the struct offsets defined in <link.h> (but without actual reference to that file). This makes it possible to access NetBSD shared libraries from a GDB that was not built on the same platform (for cross debugging). We provide versions for ILP32 and LP64 NetBSD targets here. */ struct link_map_offsets * nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void) { static struct link_map_offsets lmo; static struct link_map_offsets *lmp = NULL; if (lmp == NULL) { lmp = &lmo; lmo.r_debug_size = 16; lmo.r_map_offset = 4; lmo.r_map_size = 4; lmo.link_map_size = 20; lmo.l_addr_offset = 0; lmo.l_addr_size = 4; lmo.l_name_offset = 4; lmo.l_name_size = 4; lmo.l_next_offset = 12; lmo.l_next_size = 4; lmo.l_prev_offset = 16; lmo.l_prev_size = 4; } return lmp; } struct link_map_offsets * nbsd_lp64_solib_svr4_fetch_link_map_offsets (void) { static struct link_map_offsets lmo; static struct link_map_offsets *lmp = NULL; if (lmp == NULL) { lmp = &lmo; lmo.r_debug_size = 32; lmo.r_map_offset = 8; lmo.r_map_size = 8; 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; } int nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name) { /* Check for libc-provided signal trampoline. All such trampolines have function names which begin with "__sigtramp". */ return (func_name != NULL && strncmp (func_name, "__sigtramp", 10) == 0); }