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