From 86f60379f71ec6d0aa3b93eaacc55bc5f453bda5 Mon Sep 17 00:00:00 2001 From: Justus Winter <4winter@informatik.uni-hamburg.de> Date: Sun, 14 Sep 2014 13:35:50 +0200 Subject: ddb: add support for ELF symbol tables * ddb/db_elf.c: New file. * ddb/db_elf.h: Likewise. * Makefrag.am (libkernel_a_SOURCES): Add db_elf.{c,h}. * ddb/db_sym.c (dummy_db_sym_init): New stub db_sym_init function. (db_sym_switch): Add ELF functions. * ddb/db_sym.h (SYMTAB_ELF): New macro. (elf_db_sym_init): New declaration. * i386/i386at/model_dep.c (c_boot_entry): Get ELF section header information from the multiboot structure, and call elf_db_sym_init. --- ddb/db_elf.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 ddb/db_elf.h (limited to 'ddb/db_elf.h') diff --git a/ddb/db_elf.h b/ddb/db_elf.h new file mode 100644 index 0000000..12b8286 --- /dev/null +++ b/ddb/db_elf.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013 Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _DDB_DB_ELF_H_ +#define _DDB_DB_ELF_H_ + +#include +#include + +extern boolean_t +elf_db_line_at_pc( + db_symtab_t *stab, + db_sym_t sym, + char **file, + int *line, + db_addr_t pc); + +extern db_sym_t +elf_db_lookup( + db_symtab_t *stab, + char * symstr); + +extern db_sym_t +elf_db_search_symbol( + db_symtab_t * symtab, + db_addr_t off, + db_strategy_t strategy, + db_expr_t *diffp); + +extern void +elf_db_symbol_values( + db_symtab_t *stab, + db_sym_t sym, + char **namep, + db_expr_t *valuep); + +#endif /* _DDB_DB_ELF_H_ */ -- cgit v1.2.3