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https://github.com/freebsd/freebsd-src
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143 lines
4 KiB
C
143 lines
4 KiB
C
/*-
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* Copyright (c) 2010 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_pro_macinfo.c 2074 2011-10-27 03:34:33Z jkoshy $");
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static int
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_dwarf_add_macro(Dwarf_P_Debug dbg, int type, Dwarf_Unsigned lineno,
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Dwarf_Signed fileindex, char *str1, char *str2, Dwarf_Error *error)
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{
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Dwarf_Macro_Details *md;
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int len;
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dbg->dbgp_mdlist = realloc(dbg->dbgp_mdlist,
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(size_t) dbg->dbgp_mdcnt + 1);
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if (dbg->dbgp_mdlist == NULL) {
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DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
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return (DW_DLV_ERROR);
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}
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md = &dbg->dbgp_mdlist[dbg->dbgp_mdcnt];
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dbg->dbgp_mdcnt++;
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md->dmd_offset = 0;
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md->dmd_type = type;
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md->dmd_lineno = lineno;
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md->dmd_fileindex = fileindex;
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md->dmd_macro = NULL;
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if (str1 == NULL)
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return (DW_DLV_OK);
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else if (str2 == NULL) {
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if ((md->dmd_macro = strdup(str1)) == NULL) {
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dbg->dbgp_mdcnt--;
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DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
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return (DW_DLV_ERROR);
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}
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return (DW_DLV_OK);
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} else {
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len = strlen(str1) + strlen(str2) + 2;
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if ((md->dmd_macro = malloc(len)) == NULL) {
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dbg->dbgp_mdcnt--;
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DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
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return (DW_DLV_ERROR);
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}
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snprintf(md->dmd_macro, len, "%s %s", str1, str2);
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return (DW_DLV_OK);
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}
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}
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int
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dwarf_def_macro(Dwarf_P_Debug dbg, Dwarf_Unsigned lineno, char *name,
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char *value, Dwarf_Error *error)
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{
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if (dbg == NULL || name == 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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return (_dwarf_add_macro(dbg, DW_MACINFO_define, lineno, -1, name,
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value, error));
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}
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int
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dwarf_undef_macro(Dwarf_P_Debug dbg, Dwarf_Unsigned lineno, char *name,
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Dwarf_Error *error)
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{
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if (dbg == NULL || name == 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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return (_dwarf_add_macro(dbg, DW_MACINFO_undef, lineno, -1, name,
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NULL, error));
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}
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int
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dwarf_start_macro_file(Dwarf_P_Debug dbg, Dwarf_Unsigned lineno,
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Dwarf_Unsigned fileindex, Dwarf_Error *error)
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{
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if (dbg == NULL) {
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DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
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return (DW_DLV_ERROR);
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}
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return (_dwarf_add_macro(dbg, DW_MACINFO_start_file, lineno, fileindex,
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NULL, NULL, error));
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}
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int
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dwarf_end_macro_file(Dwarf_P_Debug dbg, Dwarf_Error *error)
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{
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if (dbg == NULL) {
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DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
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return (DW_DLV_ERROR);
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}
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return (_dwarf_add_macro(dbg, DW_MACINFO_end_file, 0, -1,
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NULL, NULL, error));
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}
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int
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dwarf_vendor_ext(Dwarf_P_Debug dbg, Dwarf_Unsigned constant, char *string,
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Dwarf_Error *error)
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{
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if (dbg == NULL || string == 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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return (_dwarf_add_macro(dbg, DW_MACINFO_vendor_ext, constant, -1,
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string, NULL, error));
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}
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