/*
Copyright (C) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
Portions Copyright (C) 2007-2010 David Anderson. 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., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
USA.
Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
Mountain View, CA 94043, or:
For further information regarding this notice, see:
*/
/* The address of the Free Software Foundation is
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
SGI has moved from the Crittenden Lane address.
*/
#include "config.h"
#include "dwarf_incl.h"
#include <stdio.h>
#include <stdlib.h>
#include "dwarf_line.h"
static int
{
if(s == '/') {
return 1;
}
#ifdef HAVE_WINDOWS_PATH
if(s == '\\') {
return 1;
}
#endif
return 0;
}
/* Return 0 if false, 1 if true.
If HAVE_WINDOWS_PATH is defined we
attempt to handle windows full paths:
\\something or C:cwdpath.c
*/
static int
{
if(is_path_separator(firstc)) {
/* Full path. */
return 1;
}
if(!firstc) {
return 0;
}
#ifdef HAVE_WINDOWS_PATH
if (secondc == ':') {
return 1;
}
}
#endif
return 0;
}
/*
Although source files is supposed to return the
source files in the compilation-unit, it does
not look for any in the statement program. In
other words, it ignores those defined using the
extended opcode DW_LNE_define_file.
*/
int
char ***srcfiles,
{
/* This pointer is used to scan the portion of the .debug_line
section for the current cu. */
/* Pointer to a DW_AT_stmt_list attribute in case it exists in the
die. */
/* Pointer to DW_AT_comp_dir attribute in die. */
/* Pointer to name of compilation directory. */
/* Offset into .debug_line specified by a DW_AT_stmt_list
attribute. */
/* This points to a block of char *'s, each of which points to a
file name. */
char **ret_files = 0;
/* The Dwarf_Debug this die belongs to. */
/* Used to chain the file names. */
int i = 0;
/* ***** BEGIN CODE ***** */
/* Reset error. */
return resattr;
}
return (DW_DLV_ERROR);
}
return res;
}
return lres;
}
attrform != DW_FORM_sec_offset ) {
return (DW_DLV_ERROR);
}
return lres;
}
return (DW_DLV_ERROR);
}
/*
If die has DW_AT_comp_dir attribute, get the string that names
the compilation directory. */
if (resattr == DW_DLV_ERROR) {
return resattr;
}
char *cdir = 0;
if (cres == DW_DLV_ERROR) {
return cres;
}
}
}
{
0);
if (dres == DW_DLV_ERROR) {
return dres;
}
if (dres == DW_DLV_NO_ENTRY) {
return dres;
}
}
for (i = 0; i < line_prefix.pf_files_count; ++i) {
char *dir_name = 0;
char *full_name = 0;
if (dir_index == 0) {
} else {
dir_name =
(char *) line_prefix.pf_include_directories[
}
/* dir_name can be NULL if there is no DW_AT_comp_dir */
/* This is safe because dwarf_dealloc is careful to not
dealloc strings which are part of the raw .debug_* data.
*/
} else {
1);
return (DW_DLV_ERROR);
}
/* This is not careful to avoid // in the output, Nothing
forces a 'canonical' name format here. Unclear if this
needs to be fixed. */
}
if (curr_chain == NULL) {
return (DW_DLV_ERROR);
}
if (head_chain == NULL)
else {
}
}
if (curr_chain == NULL) {
return (DW_DLV_ERROR);
}
if (line_prefix.pf_files_count == 0) {
*srcfilecount = 0;
return (DW_DLV_NO_ENTRY);
}
ret_files = (char **)
return (DW_DLV_ERROR);
}
for (i = 0; i < line_prefix.pf_files_count; i++) {
}
return (DW_DLV_OK);
}
/*
return DW_DLV_OK if ok. else DW_DLV_NO_ENTRY or DW_DLV_ERROR
*/
int
Dwarf_Line ** linebuf,
{
/* This pointer is used to scan the portion of the .debug_line
section for the current cu. */
/* This points to the last byte of the .debug_line portion for the
current cu. */
/* Pointer to a DW_AT_stmt_list attribute in case it exists in the
die. */
/* Pointer to DW_AT_comp_dir attribute in die. */
/* Pointer to name of compilation directory. */
/* Offset into .debug_line specified by a DW_AT_stmt_list
attribute. */
/* These are the state machine state variables. */
/* Phony init. See below for true initialization. */
/* These pointers are used to build the list of files names by this
cu. cur_file_entry points to the file name being added, and
prev_file_entry to the previous one. */
Dwarf_Sword i = 0;
/* This is the current opcode read from the statement program. */
/* Pointer to a Dwarf_Line_Context_s structure that contains the
context such as file names and include directories for the set
of lines being generated. */
/* This is a pointer to the current line being added to the line
matrix. */
/* These variables are used to decode leb128 numbers. Leb128_num
holds the decoded number, and leb128_length is its length in
bytes. */
/* This is the operand of the latest fixed_advance_pc extended
opcode. */
/* Counts the number of lines in the line matrix. */
/* This is the length of an extended opcode instr. */
/* Used to chain together pointers to line table entries that are
later used to create a block of Dwarf_Line entries. */
/* This points to a block of Dwarf_Lines, a pointer to which is
returned in linebuf. */
/* The Dwarf_Debug this die belongs to. */
/* ***** BEGIN CODE ***** */
return res;
}
return resattr;
}
return lres;
}
return (DW_DLV_ERROR);
}
/* If die has DW_AT_comp_dir attribute, get the string that names
the compilation directory. */
if (resattr == DW_DLV_ERROR) {
return resattr;
}
char *cdir = 0;
if (cres == DW_DLV_ERROR) {
return cres;
}
}
}
{
&newlinep,
&prefix,
0);
if (res == DW_DLV_ERROR) {
return res;
}
if (res == DW_DLV_NO_ENTRY) {
return res;
}
}
/* Set up context structure for this set of lines. */
if (line_context == NULL) {
return (DW_DLV_ERROR);
}
/* Fill out a Dwarf_File_Entry list as we use that to implement the
define_file operation. */
for (i = 0; i < prefix.pf_files_count; ++i) {
if (cur_file_entry == NULL) {
return (DW_DLV_ERROR);
}
if (file_entries == NULL)
else
}
/* Initialize the one state machine variable that depends on the
prefix. */
/* Start of statement program. */
while (line_ptr < line_ptr_end) {
int type;
line_ptr++;
/* 'type' is the output */
if (type == LOP_DISCARD) {
int oc;
/*
** Read and discard operands we don't
** understand.
** arbitrary choice of unsigned read.
** signed read would work as well.
*/
}
} else if (type == LOP_SPECIAL) {
/* This op code is a special op in the object, no matter
that it might fall into the standard op range in this
compile. That is, these are special opcodes between
opcode_base and MAX_LINE_OP_CODE. (including
opcode_base and MAX_LINE_OP_CODE) */
line =
if (dolines) {
return (DW_DLV_ERROR);
}
(Dwarf_Sword) file;
(Dwarf_Sword) line;
(Dwarf_Half) column;
line_count++;
if (chain_line == NULL) {
return (DW_DLV_ERROR);
}
if (head_chain == NULL)
else {
}
}
basic_block = false;
} else if (type == LOP_STANDARD) {
switch (opcode) {
case DW_LNS_copy:{
if (dolines) {
1);
return (DW_DLV_ERROR);
}
(Dwarf_Sword) file;
(Dwarf_Sword) line;
(Dwarf_Half) column;
line_count++;
if (chain_line == NULL) {
return (DW_DLV_ERROR);
}
if (head_chain == NULL)
else {
}
}
basic_block = false;
prologue_end = false;
epilogue_begin = false;
break;
}
case DW_LNS_advance_pc:{
address =
address +
break;
}
case DW_LNS_advance_line:{
break;
}
case DW_LNS_set_file:{
break;
}
case DW_LNS_set_column:{
break;
}
case DW_LNS_negate_stmt:{
break;
}
case DW_LNS_set_basic_block:{
basic_block = true;
break;
}
case DW_LNS_const_add_pc:{
break;
}
case DW_LNS_fixed_advance_pc:{
line_ptr, sizeof(Dwarf_Half));
line_ptr += sizeof(Dwarf_Half);
break;
}
/* New in DWARF3 */
case DW_LNS_set_prologue_end:{
prologue_end = true;
break;
}
/* New in DWARF3 */
case DW_LNS_set_epilogue_begin:{
epilogue_begin = true;
break;
}
/* New in DWARF3 */
case DW_LNS_set_isa:{
/* The value of the isa did not fit in our
local so we record it wrong. declare an
error. */
return (DW_DLV_ERROR);
}
break;
}
}
} else if (type == LOP_EXTENDED) {
/* Dwarf_Small is a ubyte and the extended opcode is a
ubyte, though not stated as clearly in the 2.0.0 spec as
one might hope. */
line_ptr++;
switch (ext_opcode) {
case DW_LNE_end_sequence:{
end_sequence = true;
if (dolines) {
curr_line = (Dwarf_Line)
return (DW_DLV_ERROR);
}
(Dwarf_Sword) file;
(Dwarf_Sword) line;
(Dwarf_Half) column;
line_count++;
if (chain_line == NULL) {
return (DW_DLV_ERROR);
}
if (head_chain == NULL)
else {
}
}
address = 0;
file = 1;
line = 1;
column = 0;
basic_block = false;
end_sequence = false;
prologue_end = false;
epilogue_begin = false;
break;
}
case DW_LNE_set_address:{
{
if (doaddrs) {
1);
return (DW_DLV_ERROR);
}
line_count++;
if (chain_line == NULL) {
return (DW_DLV_ERROR);
}
if (head_chain == NULL)
else {
}
}
line_ptr += address_size;
}
break;
}
case DW_LNE_define_file:{
if (dolines) {
if (cur_file_entry == NULL) {
return (DW_DLV_ERROR);
}
(Dwarf_Small *) line_ptr;
line_ptr =
if (file_entries == NULL)
else
}
break;
}
default:{
/* This is an extended op code we do not know about,
other than we know now many bytes it is
and the op code and the bytes of operand. */
return (DW_DLV_ERROR);
}
break;
}
}
}
}
block_line = (Dwarf_Line *)
if (block_line == NULL) {
return (DW_DLV_ERROR);
}
for (i = 0; i < line_count; i++) {
}
if (prefix.pf_include_directories_count > 0) {
/* This gets a pointer to the *first* include dir. The others
follow directly with the standard DWARF2/3 NUL byte
following the last. */
}
*count = line_count;
*linebuf = block_line;
return (DW_DLV_OK);
}
int
Dwarf_Line ** linebuf,
{
/* addrlist= */ false,
/* linelist= */ true, error);
return res;
}
return res;
}
/* Every line table entry (except DW_DLE_end_sequence,
which is returned using dwarf_lineendsequence())
potentially has the begin-statement
flag marked 'on'. This returns thru *return_bool,
the begin-statement flag.
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/* At the end of any contiguous line-table there may be
a DW_LNE_end_sequence operator.
This returns non-zero thru *return_bool
if and only if this 'line' entry was a DW_LNE_end_sequence.
Within a compilation unit or function there may be multiple
line tables, each ending with a DW_LNE_end_sequence.
Each table describes a contiguous region.
Because compilers may split function code up in arbitrary ways
compilers may need to emit multiple contigous regions (ie
line tables) for a single function.
See the DWARF3 spec section 6.2.
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/* Each 'line' entry has a line-number.
If the entry is a DW_LNE_end_sequence the line-number is
meaningless (see dwarf_lineendsequence(), just above).
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/* Each 'line' entry has a file-number, and index into the file table.
If the entry is a DW_LNE_end_sequence the index is
meaningless (see dwarf_lineendsequence(), just above).
The file number returned is an index into the file table
produced by dwarf_srcfiles(), but care is required: the
li_file begins with 1 for real files, so that the li_file returned here
is 1 greater than its index into the dwarf_srcfiles() output array.
And entries from DW_LNE_define_file don't appear in
the dwarf_srcfiles() output so file indexes from here may exceed
the size of the dwarf_srcfiles() output array size.
*/
int
{
return (DW_DLV_ERROR);
}
/* li_file must be <= line->li_context->lc_file_entry_count else it
is trash. li_file 0 means not attributable to any source file
per dwarf2/3 spec. */
return DW_DLV_OK;
}
/* Each 'line' entry has a line-address.
If the entry is a DW_LNE_end_sequence the adddress
is one-beyond the last address this contigous region
covers, so the address is not inside the region,
but is just outside it.
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
/* Each 'line' entry has a column-within-line (offset
within the line) where the
source text begins.
If the entry is a DW_LNE_end_sequence the line-number is
meaningless (see dwarf_lineendsequence(), just above).
Lines of text begin at column 1. The value 0
means the line begins at the left edge of the line.
(See the DWARF3 spec, section 6.2.2).
*/
int
{
return (DW_DLV_ERROR);
}
*ret_lineoff =
return DW_DLV_OK;
}
int
{
Dwarf_Signed i = 0;
unsigned int comp_dir_len = 0;
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
/* No file name known: see dwarf2/3 spec. */
return (DW_DLV_ERROR);
}
/* ASSERT: li_file > 0, dwarf correctness issue, see line table
definition of dwarf2/3 spec. */
/* Example: if li_file is 2 and lc_file_entry_count is 3,
file_entry is file 3 (1 based), aka 2( 0 based) file_entry->next
is file 2 (1 based), aka 1( 0 based) file_entry->next->next is
file 1 (1 based), aka 0( 0 based) file_entry->next->next->next
is NULL.
and this loop finds the file_entry we need (2 (1 based) in this
case). Because lc_file_entries are in reverse order and
effectively zero based as a count whereas li_file is 1 based. */
return (DW_DLV_ERROR);
}
if (file_name_full_path) {
return DW_DLV_OK;
}
if (file_entry->fi_dir_index == 0) {
/* dir_index of 0 means that the compilation was in the
'current directory of compilation' */
/* we don't actually *have* a current directory of
compilation: DW_AT_comp_dir was not present Rather than
emitting DW_DLE_NO_COMP_DIR lets just make an empty name
here. In other words, do the best we can with what we do
have instead of reporting an error. _dwarf_error(dbg,
error, DW_DLE_NO_COMP_DIR); return(DW_DLV_ERROR); */
comp_dir_len = 0;
} else {
comp_dir_len = strlen((char *)
(line->li_context->
}
comp_dir_len + 1 +
1);
if (name_buffer == NULL) {
return (DW_DLV_ERROR);
}
if (comp_dir_len > 0) {
/* if comp_dir_len is 0 we do not want to put a / in front
of the fi_file_name as we just don't know anything. */
strcpy((char *) name_buffer,
(char *) (line->li_context->
}
*ret_linesrc = ((char *) name_buffer);
return DW_DLV_OK;
}
if (file_entry->fi_dir_index >
return (DW_DLV_ERROR);
}
comp_dir_len = strlen((char *)
} else {
/* No DW_AT_comp_dir present. Do the best we can without it. */
comp_dir_len = 0;
}
if (name_buffer == NULL) {
return (DW_DLV_ERROR);
}
if (!include_direc_full_path) {
if (comp_dir_len > 0) {
strcpy((char *)name_buffer,
/* Who provides the / needed after the compilation
directory? */
/* Here we provide the / separator. It
should work ok for Windows */
/* Overwrite previous nul terminator with needed / */
}
}
} else {
}
*ret_linesrc = ((char *) name_buffer);
return DW_DLV_OK;
}
/* Every line table entry potentially has the basic-block-start
flag marked 'on'. This returns thru *return_bool,
the basic-block-start flag.
*/
int
{
return (DW_DLV_ERROR);
}
return DW_DLV_OK;
}
#if 0 /* Ignore this. This needs major
re-work. */
/*
This routine works by looking for exact matches between
the current line address and pc, and crossovers from
from less than pc value to greater than. At each line
that satisfies the above, it records a pointer to the
line, and the difference between the address and pc.
It then scans these pointers and picks out those with
the smallest difference between pc and address.
*/
int
Dwarf_Line ** linebuf,
{
/*
Scans the line matrix for the current cu to which a pointer
exists in dbg. */
/*
These flags are for efficiency reasons. Check_line is true
initially, but set false when the address of the current line is
greater than pc. It is set true only when the address of the
current line falls below pc. This assumes that addresses within
the same segment increase, and we are only interested in the
switch from a less than pc address to a greater than. First_line
is set true initially, but set false after the first line is
scanned. This is to prevent looking at the address of previous
line when slide is DW_DLS_BACKWARD, and the first line is being
scanned. */
/*
Diff tracks the smallest difference a line address and the input
pc value. */
Dwarf_Signed diff, i;
/*
For the slide = DW_DLS_BACKWARD case, pc_less is the value of
the address of the line immediately preceding the first line
that has value greater than pc. For the slide = DW_DLS_FORWARD
case, pc_more is the values of address for the first line that
is greater than pc. Diff is the difference between either of the
these values and pc. */
/*
Pc_line_buf points to a chain of pointers to lines of which
those with a diff equal to the smallest difference will be
returned. */
/*
Chain_count counts the number of lines in the above chain for
which the diff is equal to the smallest difference This is the
number returned by this routine. */
chain_head = NULL;
check_line = true;
first_line = true;
for (i = 0; i < dbg->de_cu_line_count; i++) {
return (DW_DLV_ERROR);
}
} else
/*
Look for crossover from less than pc address to greater
than. */
return (DW_DLV_ERROR);
}
}
check_line = false;
} else if (slide == DW_DLS_FORWARD) {
return (DW_DLV_ERROR);
}
}
check_line = false;
} else
/* Check addresses only when they go */
/* below pc. */
check_line = true;
first_line = false;
}
chain_count = 0;
chain_count++;
pc_line++;
}
}
*linebuf = pc_line_buf;
return (chain_count);
}
#endif
/*
It's impossible for callers of dwarf_srclines() to get to and
free all the resources (in particular, the li_context and its
lc_file_entries).
So this function, new July 2005, does it.
*/
void
{
Dwarf_Signed i = 0;
if (count > 0) {
/* All these entries share a single context */
}
for (i = 0; i < count; ++i) {
}
if (context) {
while (fe) {
}
}
return;
}
/* Operand counts per standard operand.
The initial zero is for DW_LNS_copy.
This is an economical way to verify we understand the table
of standard-opcode-lengths in the line table prologue. */
static unsigned char
/* DWARF2 */
0,
1, 1, 1, 1,
0, 0, 0,
1,
/* Following are new for DWARF3. */
0, 0, 1
};
/* We have a normal standard opcode base, but
an arm compiler emitted a non-standard table!
This could lead to problems...
ARM C/C++ Compiler, RVCT4.0 [Build 4
00] seems to get the table wrong . */
static unsigned char
/* DWARF2 */
0,
1, 1, 1, 1,
0, 0, 0,
0, /* <<< --- this is wrong */
/* Following are new for DWARF3. */
0, 0, 1
};
static void
char *specific_msg,
int *err_count_out)
{
if(!err_count_out)
return;
printf("*** DWARF CHECK: "
"line table header: %s",
} else {
printf(" (unknown section location) ");
}
printf("***\n");
*err_count_out += 1;
}
/* Common line table prefix reading code.
Returns DW_DLV_OK, DW_DLV_ERROR.
DW_DLV_NO_ENTRY cannot be returned, but callers should
assume it is possible.
The prefix_out area must be initialized properly before calling this.
Has the side effect of allocating arrays which
must be freed (see the Line_Table_Prefix_s struct which
holds the pointers to space we allocate here).
bogus_bytes_ptr and bogus_bytes are output values which
let a print-program notify the user of some surprising bytes
after a line table header and before the line table instructions.
These can be ignored unless one is printing.
And are ignored if NULL passed as the pointer.
*/
/* err_count_out may be NULL, in which case we
make no attempt to count checking-type errors.
Checking-type errors do not stop us, we just report them.
*/
int
struct Line_Table_Prefix_s *prefix_out,
Dwarf_Error * err,
int *err_count_out)
{
int local_length_size = 0;
int local_extension_size = 0;
if(bogus_bytes_ptr) *bogus_bytes_ptr = 0;
if(bogus_bytes) *bogus_bytes= 0;
/* READ_AREA_LENGTH updates line_ptr for consumed bytes */
/* ASSERT: prefix_out->pf_length_field_length == line_ptr
-prefix_out->pf_line_ptr_start; */
return (DW_DLV_ERROR);
}
return (DW_DLV_ERROR);
}
line_ptr, sizeof(Dwarf_Half));
line_ptr += sizeof(Dwarf_Half);
if (version != CURRENT_VERSION_STAMP &&
return (DW_DLV_ERROR);
}
*(unsigned char *) line_ptr;
/* Set up the array of standard opcode lengths. */
/* We think this works ok even for cross-endian processing of
objects. It might be wrong, we might need to specially process
the array of ubyte into host order. */
/* pf_opcode_base is one greater than the size of the array. */
{
/* Determine (as best we can) whether the
pf_opcode_length_table holds 9 or 12 standard-conforming
entries. gcc4 upped to DWARF3's 12 without updating the
version number. */
int operand_ck_fail = true;
if(mismatch) {
if(err_count_out) {
}
if(!mismatch && err_count_out) {
}
}
if (!mismatch) {
if (version == 2) {
if(err_count_out) {
"standard DWARF3 operands matched, but is DWARF2 linetable",
}
}
operand_ck_fail = false;
}
}
if (operand_ck_fail) {
if (prefix_out->pf_opcode_base >=
int mismatch =
if(mismatch) {
if(err_count_out) {
}
if(!mismatch && err_count_out) {
}
}
if (!mismatch) {
operand_ck_fail = false;
}
}
}
if (operand_ck_fail) {
/* Here we are not sure what the pf_std_op_count is. */
return (DW_DLV_ERROR);
}
}
/* At this point we no longer need to check operand counts. */
directories_count = 0;
directories_malloc = 5;
return (DW_DLV_ERROR);
}
sizeof(Dwarf_Small *) * directories_malloc);
while ((*(char *) line_ptr) != '\0') {
if (directories_count >= directories_malloc) {
if (!newdirs) {
return (DW_DLV_ERROR);
}
/* Doubled size, zero out second half. */
sizeof(Dwarf_Small *) * directories_malloc);
}
}
line_ptr++;
files_count = 0;
files_malloc = 5;
return (DW_DLV_ERROR);
}
sizeof(struct Line_Table_File_Entry_s) * files_malloc);
while (*(char *) line_ptr != '\0') {
if (files_count >= files_malloc) {
sizeof(struct Line_Table_File_Entry_s) *
expand);
if (!newfiles) {
return (DW_DLV_ERROR);
}
sizeof(struct Line_Table_File_Entry_s) *
}
if (dir_index > directories_count) {
return (DW_DLV_ERROR);
}
/* Skip over file length. */
++files_count;
}
/* Skip trailing nul byte */
++line_ptr;
return (DW_DLV_ERROR);
} else {
/* Bug in compiler. These
* bytes are really part of the instruction
* stream. The prefix_out->pf_prologue_length is
* wrong (12 too high). */
if(bogus_bytes_ptr) {
}
if(bogus_bytes) {
/* How far off things are. We expect the
value 12 ! */
}
}
/* Ignore the lp_begin calc. Assume line_ptr right.
Making up for compiler bug. */
}
return DW_DLV_OK;
}
/* Initialize the Line_Table_Prefix_s struct.
memset is not guaranteed a portable initializer, but works
fine for current architectures. AFAIK.
*/
void
{
}
/* Free any malloc'd area. of the Line_Table_Prefix_s struct. */
void
{
if (pf->pf_include_directories) {
pf->pf_include_directories = 0;
}
if (pf->pf_line_table_file_entries) {
pf->pf_line_table_file_entries = 0;
}
return;
}