2007-07-03 Markus Deuling <deuling@de.ibm.com>

2007-07-03  Markus Deuling  <deuling@de.ibm.com>

	* cp-namespace.c (lookup_symbol_file): Add block to
	lookup_symbol_global call.
	* Makefile.in (solist_h): Add dependency on symtab header.
	(symtab.o): Add dependency on solist header.
	* solib.c (solib_global_lookup): New function.
	* solib-svr4.c (scan_dyntag): Likewise.
	(elf_locate_base): Call helper routine scan_dyntag.
	(elf_lookup_lib_symbol): New function.
	(_initialize_svr4_solib): Add elf_lookup_lib_symbol to svr4_so_ops.
	* solist.h (symtab.h): New include.
	(struct target_so_ops): New member lookup_lib_global_symbol.
	(solib_global_lookup): New prototype.
	* symtab.c: New include solist.h.
	(lookup_objfile_from_block): New function.
	(lookup_global_symbol_from_objfile): New function.
	(basic_lookup_symbol_nonlocal): Add block to lookup_symbol_global call.
	(lookup_symbol_global): Call library-specific lookup procedure.
	* symtab.h (lookup_global_symbol_from_objfile): New prototype.

	* NEWS: Document framework.

testsuite/

	* gdb.base/solib-symbol.exp: New file (testcase multiple symbol lookup).
	* gdb.base/solib-symbol-lib.c: Likewise.
	* gdb.base/solib-symbol-main.c: Likewise.