/* Handle shared libraries for GDB, the GNU Debugger. Copyright 2000, 2004 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. */ #ifndef SOLIB_SVR4_H #define SOLIB_SVR4_H struct objfile; /* Critical offsets and sizes which describe struct r_debug and struct link_map on SVR4-like targets. All offsets and sizes are in bytes unless otherwise specified. */ struct link_map_offsets { /* Size of struct r_debug (or equivalent), or at least enough of it to be able to obtain the r_map field. */ int r_debug_size; /* Offset to the r_map field in struct r_debug. */ int r_map_offset; /* Size of the r_map field in struct r_debug. */ int r_map_size; /* Size of struct link_map (or equivalent), or at least enough of it to be able to obtain the fields below. */ int link_map_size; /* Offset to l_addr field in struct link_map. */ int l_addr_offset; /* Size of l_addr field in struct link_map. */ int l_addr_size; /* Offset to l_next field in struct link_map. */ int l_next_offset; /* Size of l_next field in struct link_map. */ int l_next_size; /* Offset to l_prev field in struct link_map. */ int l_prev_offset; /* Size of l_prev field in struct link_map. */ int l_prev_size; /* Offset to l_name field in struct link_map. */ int l_name_offset; /* Size of l_name field in struct link_map. */ int l_name_size; }; /* set_solib_svr4_fetch_link_map_offsets() is intended to be called by a <arch>_gdbarch_init() function. It is used to establish an architecture specific link_map_offsets fetcher for the architecture being defined. */ extern void set_solib_svr4_fetch_link_map_offsets (struct gdbarch *gdbarch, struct link_map_offsets *(*func) (void)); /* This function is called by thread_db.c. Return the address of the link map for the given objfile. */ extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile); /* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function which is used to fetch link map offsets. It will only be set by solib-legacy.c, if at all. */ extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook) (void); /* Fetch (and possibly build) an appropriate `struct link_map_offsets' for ILP32 and LP64 SVR4 systems. */ extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void); extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void); #endif /* solib-svr4.h */