freebsd-dev/contrib/elftoolchain/libdwarf/dwarf_pro_arange.c

74 lines
2.5 KiB
C

/*-
* Copyright (c) 2010 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_pro_arange.c 2074 2011-10-27 03:34:33Z jkoshy $");
Dwarf_Unsigned
dwarf_add_arange(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length,
Dwarf_Signed symbol_index, Dwarf_Error *error)
{
return (dwarf_add_arange_b(dbg, start, length, symbol_index, 0, 0,
error));
}
Dwarf_Unsigned
dwarf_add_arange_b(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length,
Dwarf_Unsigned symbol_index, Dwarf_Unsigned end_symbol_index,
Dwarf_Addr offset_from_end_symbol, Dwarf_Error *error)
{
Dwarf_ArangeSet as;
Dwarf_Arange ar;
if (dbg == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
return (0);
}
as = dbg->dbgp_as;
if (end_symbol_index > 0 &&
(dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0) {
DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
return (0);
}
if ((ar = calloc(1, sizeof(struct _Dwarf_Arange))) == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
return (0);
}
ar->ar_as = as;
ar->ar_address = start;
ar->ar_range = length;
ar->ar_symndx = symbol_index;
ar->ar_esymndx = end_symbol_index;
ar->ar_eoff = offset_from_end_symbol;
STAILQ_INSERT_TAIL(&as->as_arlist, ar, ar_next);
return (1);
}