diff options
Diffstat (limited to 'libdwarf/dwarf_vars.c')
-rw-r--r-- | libdwarf/dwarf_vars.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libdwarf/dwarf_vars.c b/libdwarf/dwarf_vars.c new file mode 100644 index 0000000..4df0f5d --- /dev/null +++ b/libdwarf/dwarf_vars.c @@ -0,0 +1,136 @@ +/* + + Copyright (C) 2000,2002,2004,2005 Silicon Graphics, Inc. All Rights Reserved. + Portions Copyright (C) 2009-2011 David Anderson. All Rights Reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2.1 of the GNU Lesser General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it would be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + Further, this software is distributed without any warranty that it is + free of the rightful claim of any third person regarding infringement + or the like. Any license provided herein, whether implied or + otherwise, applies only to this software file. Patent licenses, if + any, provided herein do not apply to combinations of this program with + other software, or any other product whatsoever. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, write the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, + USA. + + Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, + Mountain View, CA 94043, or: + + http://www.sgi.com + + For further information regarding this notice, see: + + http://oss.sgi.com/projects/GenInfo/NoticeExplan + +*/ + + + +#include "config.h" +#include "dwarf_incl.h" +#include <stdio.h> +#include "dwarf_vars.h" +#include "dwarf_global.h" + +int +dwarf_get_vars(Dwarf_Debug dbg, + Dwarf_Var ** vars, + Dwarf_Signed * ret_var_count, Dwarf_Error * error) +{ + int res = _dwarf_load_section(dbg, &dbg->de_debug_varnames,error); + if (res != DW_DLV_OK) { + return res; + } + if (!dbg->de_debug_abbrev.dss_size) { + return (DW_DLV_NO_ENTRY); + } + + return _dwarf_internal_get_pubnames_like_data(dbg, + dbg->de_debug_varnames.dss_data, + dbg->de_debug_varnames.dss_size, + (Dwarf_Global **) vars, /* Type punning for sections + with identical format. */ + ret_var_count, + error, + DW_DLA_VAR_CONTEXT, + DW_DLA_VAR, + DW_DLE_DEBUG_VARNAMES_LENGTH_BAD, + DW_DLE_DEBUG_VARNAMES_VERSION_ERROR); +} + +/* Deallocating fully requires deallocating the list + and all entries. But some internal data is + not exposed, so we need a function with internal knowledge. +*/ + +void +dwarf_vars_dealloc(Dwarf_Debug dbg, Dwarf_Var * dwgl, + Dwarf_Signed count) +{ + _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl, + count, + DW_DLA_VAR_CONTEXT, + DW_DLA_VAR, DW_DLA_LIST); + return; +} + + +int +dwarf_varname(Dwarf_Var var_in, char **ret_varname, Dwarf_Error * error) +{ + Dwarf_Global var = (Dwarf_Global) var_in; + + if (var == NULL) { + _dwarf_error(NULL, error, DW_DLE_VAR_NULL); + return (DW_DLV_ERROR); + } + + *ret_varname = (char *) (var->gl_name); + return DW_DLV_OK; +} + + +int +dwarf_var_die_offset(Dwarf_Var var_in, + Dwarf_Off * returned_offset, Dwarf_Error * error) +{ + Dwarf_Global var = (Dwarf_Global) var_in; + + return dwarf_global_die_offset(var, returned_offset, error); + +} + + +int +dwarf_var_cu_offset(Dwarf_Var var_in, + Dwarf_Off * returned_offset, Dwarf_Error * error) +{ + Dwarf_Global var = (Dwarf_Global) var_in; + + return dwarf_global_cu_offset(var, returned_offset, error); +} + + +int +dwarf_var_name_offsets(Dwarf_Var var_in, + char **returned_name, + Dwarf_Off * die_offset, + Dwarf_Off * cu_offset, Dwarf_Error * error) +{ + Dwarf_Global var = (Dwarf_Global) var_in; + + return + dwarf_global_name_offsets(var, + returned_name, die_offset, cu_offset, + error); +} |