dwarf_global.c revision 49d3bc91e27cd871b950d56c01398fa2f2e12ab4
/*
Copyright (C) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved.
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., 59 Temple Place - Suite 330, Boston MA 02111-1307,
USA.
Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky,
Mountain View, CA 94043, or:
For further information regarding this notice, see:
*/
#include "config.h"
#include "dwarf_incl.h"
#include <stdio.h>
#include "dwarf_global.h"
int
Dwarf_Global ** globals,
{
int res;
res =
error);
return res;
}
dbg->
dbg->
}
/* Sweeps the complete section.
*/
int
Dwarf_Global ** globals,
Dwarf_Error * error,
int allocation_code,
int length_err_num,
int version_err_num)
{
/*
Points to the context for the current set of global names, and
contains information to identify the compilation-unit that the
set refers to. */
/*
Offset from the start of compilation-unit for the current
global. */
/* Points to the current global read. */
/*
Used to chain the Dwarf_Global_s structs for creating contiguous
list of pointers to the structs. */
/* Points to contiguous block of Dwarf_Global's to be returned. */
/* Temporary counter. */
return (DW_DLV_ERROR);
}
/* We will eventually need the .debug_info data. Load it now. */
if(!dbg->de_debug_info) {
return res;
}
}
if (section_data_ptr == NULL) {
return (DW_DLV_NO_ENTRY);
}
do {
int local_extension_size;
int local_length_size;
/* Some compilers emit padding at the end of each cu's
area. pubnames_ptr_past_end_cu records the true
area end for this cu's data. Essentially the
length in the header and the 0 terminator of the
data are redundant information. The dwarf2/3
spec does not mention what to do if the length
is past the 0 terminator. So we take any bytes
left after the 0 as padding and ignore them. */
if (pubnames_context == NULL) {
return (DW_DLV_ERROR);
}
/* READ_AREA_LENGTH updates pubnames_like_ptr for consumed
bytes */
pubnames_like_ptr, sizeof(Dwarf_Half));
pubnames_like_ptr += sizeof(Dwarf_Half);
if (version != CURRENT_VERSION_STAMP) {
return (DW_DLV_ERROR);
}
/* offset of CU header in debug section */
return (DW_DLV_ERROR);
}
/* read initial offset (of DIE within CU) of a pubname, final
entry is not a pair, just a zero offset */
/* loop thru pairs. DIE off with CU followed by string */
while (die_offset_in_cu != 0) {
/* Already read offset, pubnames_like_ptr now points to the
string */
global =
return (DW_DLV_ERROR);
}
global_count++;
/* finish off current entry chain */
if (curr_chain == NULL) {
return (DW_DLV_ERROR);
}
/* Put current global on singly_linked list. */
if (head_chain == NULL)
else {
}
/* read offset for the *next* entry */
return (DW_DLV_ERROR);
}
}
/* ASSERT: die_offset_in_cu == 0 */
/* This is some kind of error. This simply cannot happen.
The encoding is wrong or the length in the header
for this cu's contribution is wrong. */
return (DW_DLV_ERROR);
}
/* If there is some kind of padding at the end of
the section, as emitted by some compilers,
skip over that padding and simply ignore the bytes
thus passed-over. With most compilers,
pubnames_like_ptr == pubnames_ptr_past_end_cu
at this point */
/* Points to contiguous block of Dwarf_Global's. */
ret_globals = (Dwarf_Global *)
if (ret_globals == NULL) {
return (DW_DLV_ERROR);
}
/*
Store pointers to Dwarf_Global_s structs in contiguous block,
and deallocate the chain. */
for (i = 0; i < global_count; i++) {
}
*globals = ret_globals;
*return_count = (global_count);
return DW_DLV_OK;
}
/*
Given a pubnames entry (or other like section entry)
return thru the ret_name pointer
a pointer to the string which is the entry name.
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/*
Given a pubnames entry (or other like section entry)
return thru the ret_off pointer the
global offset of the DIE for this entry.
The global offset is the offset within the .debug_info
section as a whole.
*/
int
{
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/*
Given a pubnames entry (or other like section entry)
return thru the ret_off pointer the
offset of the compilation unit header of the
compilation unit the global is part of.
In early versions of this, the value returned was
the offset of the compilation unit die, and
other cu-local die offsets were faked so adding this to
such a cu-local offset got a true section offset.
Now things do as they say (adding *cu_header_offset to
a cu-local offset gets the section offset).
*/
int
Dwarf_Error * error)
{
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
/* In early libdwarf, this incorrectly returned the offset of the
CU DIE. Now correctly returns the header offset. */
return DW_DLV_OK;
}
/*
Give back the pubnames entry (or any other like section)
name, symbol DIE offset, and the cu-DIE offset.
*/
int
char **ret_name,
Dwarf_Error * error)
{
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
if (die_offset != NULL) {
}
return (DW_DLV_ERROR);
}
if (cu_die_offset != NULL) {
return res;
}
}
return DW_DLV_OK;
}
/*
We have the offset to a CU header.
Return thru outFileOffset the offset of the CU DIE.
New June, 2001.
Used by SGI debuggers.
No error is possible.
*/
/* ARGSUSED */
int
Dwarf_Error * err)
{
return DW_DLV_OK;
}