X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fsolib-svr4.h;h=fe4ac7a592270593eaa13f4534b7a8e439889304;hb=8507e05d53135f62736cc443d869942df86c3392;hp=c2ee1d3a505d4dced59f6b54a23ca3a7d71e1cac;hpb=21479deda01ad5fe23f41c69a46c10b7806ca5fa;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/solib-svr4.h b/gdb/solib-svr4.h index c2ee1d3a50..fe4ac7a592 100644 --- a/gdb/solib-svr4.h +++ b/gdb/solib-svr4.h @@ -1,12 +1,12 @@ /* Handle shared libraries for GDB, the GNU Debugger. - Copyright 2000 - Free Software Foundation, Inc. + + Copyright (C) 2000-2014 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,9 +15,15 @@ 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. */ + along with this program. If not, see . */ + +#ifndef SOLIB_SVR4_H +#define SOLIB_SVR4_H + +struct objfile; +struct target_so_ops; + +extern struct target_so_ops svr4_so_ops; /* Critical offsets and sizes which describe struct r_debug and struct link_map on SVR4-like targets. All offsets and sizes are @@ -25,15 +31,17 @@ 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 and size of r_debug.r_version. */ + int r_version_offset, r_version_size; - /* Offset to the r_map field in struct r_debug. */ + /* Offset of r_debug.r_map. */ int r_map_offset; - /* Size of the r_map field in struct r_debug. */ - int r_map_size; + /* Offset of r_debug.r_brk. */ + int r_brk_offset; + + /* Offset of r_debug.r_ldsomap. */ + int r_ldsomap_offset; /* Size of struct link_map (or equivalent), or at least enough of it to be able to obtain the fields below. */ @@ -42,32 +50,38 @@ struct link_map_offsets /* 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_ld field in struct link_map. */ + int l_ld_offset; /* 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; }; -extern void set_solib_svr4_fetch_link_map_offsets ( - struct link_map_offsets *(*func) (void)); +/* set_solib_svr4_fetch_link_map_offsets() is intended to be called by + a _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); + +/* 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); + +/* Return 1 if PC lies in the dynamic symbol resolution code of the + SVR4 run time loader. */ +int svr4_in_dynsym_resolve_code (CORE_ADDR pc); -/* 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); +#endif /* solib-svr4.h */