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/*-
* Copyright (c) 2009,2011 Kai Wang
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "_libdwarf.h"
ELFTC_VCSID("$Id: dwarf_macinfo.c 2074 2011-10-27 03:34:33Z jkoshy $");
char *
dwarf_find_macro_value_start(char *macro_string)
{
char *p;
if (macro_string == NULL)
return (NULL);
p = macro_string;
while (*p != '\0' && *p != ' ')
p++;
if (*p == ' ')
p++;
return (p);
}
int
dwarf_get_macro_details(Dwarf_Debug dbg, Dwarf_Off offset,
Dwarf_Unsigned max_count, Dwarf_Signed *entry_cnt,
Dwarf_Macro_Details **details, Dwarf_Error *error)
{
Dwarf_MacroSet ms;
Dwarf_Unsigned cnt;
int i;
if (dbg == NULL || entry_cnt == NULL || details == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
return (DW_DLV_ERROR);
}
if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
if (_dwarf_macinfo_init(dbg, error) != DW_DLE_NONE)
return (DW_DLV_ERROR);
if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
return (DW_DLV_NO_ENTRY);
}
}
STAILQ_FOREACH(ms, &dbg->dbg_mslist, ms_next) {
for (i = 0; (Dwarf_Unsigned) i < ms->ms_cnt; i++)
if (ms->ms_mdlist[i].dmd_offset == offset) {
cnt = ms->ms_cnt - i;
if (max_count != 0 && cnt > max_count)
cnt = max_count;
*details = &ms->ms_mdlist[i];
*entry_cnt = cnt;
return (DW_DLV_OK);
}
}
DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
return (DW_DLV_NO_ENTRY);
}
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