freebsd-skq/contrib/elftoolchain/libdwarf/dwarf_pro_sections.c

82 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_sections.c 2074 2011-10-27 03:34:33Z jkoshy $");
Dwarf_Signed
dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error)
{
if (dbg == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
return (DW_DLV_NOCOUNT);
}
if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE)
return (DW_DLV_NOCOUNT);
return (dbg->dbgp_seccnt);
}
Dwarf_Ptr
dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section,
Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error)
{
Dwarf_Ptr data;
(void) dwarf_section; /* ignored. */
if (dbg == NULL || elf_section_index == NULL || length == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
return (NULL);
}
if (dbg->dbgp_secpos == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
return (NULL);
}
*elf_section_index = dbg->dbgp_secpos->ds_ndx;
*length = dbg->dbgp_secpos->ds_size;
data = dbg->dbgp_secpos->ds_data;
dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next);
return (data);
}
void
dwarf_reset_section_bytes(Dwarf_P_Debug dbg)
{
assert(dbg != NULL);
dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist);
dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist);
}