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Current Path: /usr/src/contrib/elftoolchain/libdwarf

usr / src / contrib / elftoolchain / libdwarf /

📁 ..
📄 Makefile(10.53 KB)
📄 Version.map(5.24 KB)
📄 _libdwarf.h(28.02 KB)
📄 dwarf.3(22.99 KB)
📄 dwarf.h(20.09 KB)
📄 dwarf_abbrev.c(3.67 KB)
📄 dwarf_add_AT_comp_dir.3(2.93 KB)
📄 dwarf_add_AT_const_value_string.3(3.79 KB)
📄 dwarf_add_AT_dataref.3(3.53 KB)
📄 dwarf_add_AT_flag.3(3.23 KB)
📄 dwarf_add_AT_location_expr.3(3.48 KB)
📄 dwarf_add_AT_name.3(2.89 KB)
📄 dwarf_add_AT_producer.3(2.94 KB)
📄 dwarf_add_AT_ref_address.3(3.37 KB)
📄 dwarf_add_AT_reference.3(3.44 KB)
📄 dwarf_add_AT_signed_const.3(3.78 KB)
📄 dwarf_add_AT_string.3(3.23 KB)
📄 dwarf_add_AT_targ_address.3(4.03 KB)
📄 dwarf_add_arange.3(4.38 KB)
📄 dwarf_add_die_to_debug.3(2.78 KB)
📄 dwarf_add_directory_decl.3(2.93 KB)
📄 dwarf_add_expr_addr.3(3.25 KB)
📄 dwarf_add_expr_gen.3(3.4 KB)
📄 dwarf_add_fde_inst.3(3.23 KB)
📄 dwarf_add_file_decl.3(3.45 KB)
📄 dwarf_add_frame_cie.3(3.45 KB)
📄 dwarf_add_frame_fde.3(5.54 KB)
📄 dwarf_add_funcname.3(2.96 KB)
📄 dwarf_add_line_entry.3(4.74 KB)
📄 dwarf_add_pubname.3(2.95 KB)
📄 dwarf_add_typename.3(2.97 KB)
📄 dwarf_add_varname.3(2.96 KB)
📄 dwarf_add_weakname.3(2.95 KB)
📄 dwarf_arange.c(4.24 KB)
📄 dwarf_attr.3(3.29 KB)
📄 dwarf_attr.c(7.19 KB)
📄 dwarf_attrlist.3(4.28 KB)
📄 dwarf_attroffset.3(2.52 KB)
📄 dwarf_attrval.c(5.27 KB)
📄 dwarf_attrval_signed.3(5.8 KB)
📄 dwarf_child.3(7.35 KB)
📄 dwarf_cu.c(4.72 KB)
📄 dwarf_dealloc.3(5.19 KB)
📄 dwarf_dealloc.c(3.68 KB)
📄 dwarf_def_macro.3(3.63 KB)
📄 dwarf_die.c(9.85 KB)
📄 dwarf_die_abbrev_code.3(2.04 KB)
📄 dwarf_die_link.3(3.19 KB)
📄 dwarf_diename.3(2.68 KB)
📄 dwarf_dieoffset.3(5.8 KB)
📄 dwarf_dump.c(37.44 KB)
📄 dwarf_end_macro_file.3(2.65 KB)
📄 dwarf_errmsg.3(2.07 KB)
📄 dwarf_errmsg.c(3.91 KB)
📄 dwarf_errno.3(1.9 KB)
📄 dwarf_expand_frame_instructions.3(5.08 KB)
📄 dwarf_expr_current_offset.3(2.64 KB)
📄 dwarf_expr_into_block.3(2.88 KB)
📄 dwarf_fde_cfa_offset.3(2.89 KB)
📄 dwarf_find_macro_value_start.3(2.42 KB)
📄 dwarf_finish.3(3.65 KB)
📄 dwarf_finish.c(1.81 KB)
📄 dwarf_form.c(10.87 KB)
📄 dwarf_formaddr.3(2.69 KB)
📄 dwarf_formblock.3(3.02 KB)
📄 dwarf_formexprloc.3(3.12 KB)
📄 dwarf_formflag.3(2.7 KB)
📄 dwarf_formref.3(3.56 KB)
📄 dwarf_formsig8.3(2.74 KB)
📄 dwarf_formstring.3(2.88 KB)
📄 dwarf_formudata.3(3.29 KB)
📄 dwarf_frame.c(15.45 KB)
📄 dwarf_funcs.m4(1.55 KB)
📄 dwarf_get_AT_name.3(5.4 KB)
📄 dwarf_get_abbrev.3(4.86 KB)
📄 dwarf_get_abbrev_children_flag.3(3.07 KB)
📄 dwarf_get_abbrev_code.3(2.55 KB)
📄 dwarf_get_abbrev_entry.3(4.3 KB)
📄 dwarf_get_abbrev_tag.3(2.51 KB)
📄 dwarf_get_address_size.3(2.52 KB)
📄 dwarf_get_arange.3(3.12 KB)
📄 dwarf_get_arange_info.3(3.73 KB)
📄 dwarf_get_aranges.3(3.98 KB)
📄 dwarf_get_cie_index.3(2.54 KB)
📄 dwarf_get_cie_info.3(4.15 KB)
📄 dwarf_get_cie_of_fde.3(2.51 KB)
📄 dwarf_get_cu_die_offset.3(3.05 KB)
📄 dwarf_get_die_infotypes_flag.3(2.35 KB)
📄 dwarf_get_elf.3(2.66 KB)
📄 dwarf_get_fde_at_pc.3(3.56 KB)
📄 dwarf_get_fde_info_for_all_regs.3(4.44 KB)
📄 dwarf_get_fde_info_for_all_regs3.3(5.23 KB)
📄 dwarf_get_fde_info_for_cfa_reg3.3(4.94 KB)
📄 dwarf_get_fde_info_for_reg.3(4.54 KB)
📄 dwarf_get_fde_info_for_reg3.3(6.17 KB)
📄 dwarf_get_fde_instr_bytes.3(3.32 KB)
📄 dwarf_get_fde_list.3(6.03 KB)
📄 dwarf_get_fde_n.3(3.16 KB)
📄 dwarf_get_fde_range.3(4.19 KB)
📄 dwarf_get_form_class.3(2.74 KB)
📄 dwarf_get_funcs.3(5.86 KB)
📄 dwarf_get_globals.3(5.87 KB)
📄 dwarf_get_loclist_entry.3(4.2 KB)
📄 dwarf_get_macro_details.3(5.41 KB)
📄 dwarf_get_pubtypes.3(6.61 KB)
📄 dwarf_get_ranges.3(6.71 KB)
📄 dwarf_get_relocation_info.3(6.73 KB)
📄 dwarf_get_relocation_info_count.3(3.38 KB)
📄 dwarf_get_section_bytes.3(4.63 KB)
📄 dwarf_get_section_max_offsets.3(3.75 KB)
📄 dwarf_get_str.3(3.73 KB)
📄 dwarf_get_types.3(6.29 KB)
📄 dwarf_get_vars.3(5.77 KB)
📄 dwarf_get_weaks.3(5.84 KB)
📄 dwarf_hasattr.3(2.71 KB)
📄 dwarf_hasform.3(3.48 KB)
📄 dwarf_highpc.3(4.78 KB)
📄 dwarf_init.3(4.49 KB)
📄 dwarf_init.c(4.09 KB)
📄 dwarf_lineno.3(5.39 KB)
📄 dwarf_lineno.c(6.75 KB)
📄 dwarf_lne_end_sequence.3(2.95 KB)
📄 dwarf_lne_set_address.3(3 KB)
📄 dwarf_loclist.3(6.09 KB)
📄 dwarf_loclist.c(8.32 KB)
📄 dwarf_loclist_from_expr.3(5.38 KB)
📄 dwarf_macinfo.c(2.62 KB)
📄 dwarf_nametbl.m4(3.89 KB)
📄 dwarf_new_die.3(4.33 KB)
📄 dwarf_new_expr.3(3.91 KB)
📄 dwarf_new_fde.3(2.58 KB)
📄 dwarf_next_cu_header.3(8.19 KB)
📄 dwarf_next_types_section.3(3.83 KB)
📄 dwarf_object_init.3(6.4 KB)
📄 dwarf_pro_arange.c(2.51 KB)
📄 dwarf_pro_attr.c(9.29 KB)
📄 dwarf_pro_die.c(3.09 KB)
📄 dwarf_pro_expr.c(5.69 KB)
📄 dwarf_pro_finish.c(1.67 KB)
📄 dwarf_pro_frame.c(5.37 KB)
📄 dwarf_pro_funcs.m4(1.54 KB)
📄 dwarf_pro_init.c(3.28 KB)
📄 dwarf_pro_lineno.c(5.06 KB)
📄 dwarf_pro_macinfo.c(3.96 KB)
📄 dwarf_pro_nametbl.m4(2.28 KB)
📄 dwarf_pro_pubnames.m4(1.54 KB)
📄 dwarf_pro_reloc.c(3.75 KB)
📄 dwarf_pro_sections.c(2.54 KB)
📄 dwarf_pro_types.m4(1.54 KB)
📄 dwarf_pro_vars.m4(1.54 KB)
📄 dwarf_pro_weaks.m4(1.54 KB)
📄 dwarf_producer_init.3(7.59 KB)
📄 dwarf_producer_set_isa.3(2.88 KB)
📄 dwarf_pubnames.m4(1.56 KB)
📄 dwarf_pubtypes.m4(1.56 KB)
📄 dwarf_ranges.c(2.91 KB)
📄 dwarf_reloc.c(1.56 KB)
📄 dwarf_reset_section_bytes.3(2.44 KB)
📄 dwarf_sections.c(3.79 KB)
📄 dwarf_set_frame_cfa_value.3(4.11 KB)
📄 dwarf_set_reloc_application.3(2.71 KB)
📄 dwarf_seterrarg.3(3.18 KB)
📄 dwarf_seterror.c(1.97 KB)
📄 dwarf_srcfiles.3(3.23 KB)
📄 dwarf_srclines.3(4.66 KB)
📄 dwarf_start_macro_file.3(3.09 KB)
📄 dwarf_str.c(2.13 KB)
📄 dwarf_tag.3(2.38 KB)
📄 dwarf_transform_to_disk_form.3(3.22 KB)
📄 dwarf_types.m4(1.55 KB)
📄 dwarf_undef_macro.3(3.38 KB)
📄 dwarf_vars.m4(1.55 KB)
📄 dwarf_vendor_ext.3(3.1 KB)
📄 dwarf_weaks.m4(1.55 KB)
📄 dwarf_whatattr.3(2.39 KB)
📄 libdwarf.c(1.5 KB)
📄 libdwarf.h(32.98 KB)
📄 libdwarf_abbrev.c(6.74 KB)
📄 libdwarf_arange.c(7.22 KB)
📄 libdwarf_attr.c(12.08 KB)
📄 libdwarf_die.c(10.49 KB)
📄 libdwarf_elf_access.c(3.52 KB)
📄 libdwarf_elf_init.c(9.21 KB)
📄 libdwarf_error.c(2.19 KB)
📄 libdwarf_frame.c(39.32 KB)
📄 libdwarf_info.c(9.22 KB)
📄 libdwarf_init.c(8.14 KB)
📄 libdwarf_lineno.c(18.27 KB)
📄 libdwarf_loc.c(14.79 KB)
📄 libdwarf_loclist.c(4.47 KB)
📄 libdwarf_macinfo.c(5.96 KB)
📄 libdwarf_nametbl.c(6.64 KB)
📄 libdwarf_ranges.c(3.88 KB)
📄 libdwarf_reloc.c(12.86 KB)
📄 libdwarf_rw.c(10.93 KB)
📄 libdwarf_sections.c(7.01 KB)
📄 libdwarf_str.c(4.29 KB)
📄 os.NetBSD.mk(74 B)

Editing: libdwarf_info.c

/*-
 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
 * Copyright (c) 2010,2011,2014 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: libdwarf_info.c 3136 2014-12-24 16:04:38Z kaiwang27 $");

int
_dwarf_info_first_cu(Dwarf_Debug dbg, Dwarf_Error *error)
{
	Dwarf_CU cu;
	int ret;

assert(dbg->dbg_cu_current == NULL);
	cu = STAILQ_FIRST(&dbg->dbg_cu);
	if (cu != NULL) {
		dbg->dbg_cu_current = cu;
		return (DW_DLE_NONE);
	}

if (dbg->dbg_info_loaded)
		return (DW_DLE_NO_ENTRY);

dbg->dbg_info_off = 0;
	ret = _dwarf_info_load(dbg, 0, 1, error);
	if (ret != DW_DLE_NONE)
		return (ret);

dbg->dbg_cu_current = STAILQ_FIRST(&dbg->dbg_cu);

return (DW_DLE_NONE);
}

int
_dwarf_info_first_tu(Dwarf_Debug dbg, Dwarf_Error *error)
{
	Dwarf_CU tu;
	int ret;

assert(dbg->dbg_tu_current == NULL);
	tu = STAILQ_FIRST(&dbg->dbg_tu);
	if (tu != NULL) {
		dbg->dbg_tu_current = tu;
		return (DW_DLE_NONE);
	}

if (dbg->dbg_types_loaded)
		return (DW_DLE_NO_ENTRY);

dbg->dbg_types_off = 0;
	ret = _dwarf_info_load(dbg, 0, 0, error);
	if (ret != DW_DLE_NONE)
		return (ret);

dbg->dbg_tu_current = STAILQ_FIRST(&dbg->dbg_tu);

return (DW_DLE_NONE);
}

int
_dwarf_info_next_cu(Dwarf_Debug dbg, Dwarf_Error *error)
{
	Dwarf_CU cu;
	int ret;

assert(dbg->dbg_cu_current != NULL);
	cu = STAILQ_NEXT(dbg->dbg_cu_current, cu_next);
	if (cu != NULL) {
		dbg->dbg_cu_current = cu;
		return (DW_DLE_NONE);
	}

if (dbg->dbg_info_loaded) {
		dbg->dbg_cu_current = NULL;
		return (DW_DLE_NO_ENTRY);
	}

ret = _dwarf_info_load(dbg, 0, 1, error);
	if (ret != DW_DLE_NONE)
		return (ret);

dbg->dbg_cu_current = STAILQ_NEXT(dbg->dbg_cu_current, cu_next);

return (DW_DLE_NONE);
}

int
_dwarf_info_next_tu(Dwarf_Debug dbg, Dwarf_Error *error)
{
	Dwarf_CU cu;
	int ret;

assert(dbg->dbg_tu_current != NULL);
	cu = STAILQ_NEXT(dbg->dbg_tu_current, cu_next);
	if (cu != NULL) {
		dbg->dbg_tu_current = cu;
		return (DW_DLE_NONE);
	}

if (dbg->dbg_types_loaded) {
		dbg->dbg_tu_current = NULL;
		return (DW_DLE_NO_ENTRY);
	}

ret = _dwarf_info_load(dbg, 0, 0, error);
	if (ret != DW_DLE_NONE)
		return (ret);

dbg->dbg_tu_current = STAILQ_NEXT(dbg->dbg_tu_current, cu_next);

return (DW_DLE_NONE);
}

int
_dwarf_info_load(Dwarf_Debug dbg, Dwarf_Bool load_all, Dwarf_Bool is_info,
    Dwarf_Error *error)
{
	Dwarf_CU cu;
	Dwarf_Section *ds;
	int dwarf_size, ret;
	uint64_t length;
	uint64_t next_offset;
	uint64_t offset;

ret = DW_DLE_NONE;

if (is_info) {
		if (dbg->dbg_info_loaded)
			return (ret);
		offset = dbg->dbg_info_off;
		ds = dbg->dbg_info_sec;
		if (ds == NULL)
			return (DW_DLE_NO_ENTRY);
	} else {
		if (dbg->dbg_types_loaded)
			return (ret);
		offset = dbg->dbg_types_off;
		ds = dbg->dbg_types_sec;
		if (ds == NULL)
			return (DW_DLE_NO_ENTRY);
	}

while (offset < ds->ds_size) {
		if ((cu = calloc(1, sizeof(struct _Dwarf_CU))) == NULL) {
			DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}

cu->cu_dbg = dbg;
		cu->cu_is_info = is_info;
		cu->cu_offset = offset;

length = dbg->read(ds->ds_data, &offset, 4);
		if (length == 0xffffffff) {
			length = dbg->read(ds->ds_data, &offset, 8);
			dwarf_size = 8;
		} else
			dwarf_size = 4;
		cu->cu_dwarf_size = dwarf_size;

/*
		 * Check if there is enough ELF data for this CU. This assumes
		 * that libelf gives us the entire section in one Elf_Data
		 * object.
		 */
		if (length > ds->ds_size - offset) {
			free(cu);
			DWARF_SET_ERROR(dbg, error, DW_DLE_CU_LENGTH_ERROR);
			return (DW_DLE_CU_LENGTH_ERROR);
		}

/* Compute the offset to the next compilation unit: */
		next_offset = offset + length;
		if (is_info)
			dbg->dbg_info_off = next_offset;
		else
			dbg->dbg_types_off = next_offset;

/* Initialise the compilation unit. */
		cu->cu_length		 = length;
		cu->cu_length_size	 = (dwarf_size == 4 ? 4 : 12);
		cu->cu_version		 = dbg->read(ds->ds_data, &offset, 2);
		cu->cu_abbrev_offset	 = dbg->read(ds->ds_data, &offset,
		    dwarf_size);
		cu->cu_abbrev_offset_cur = cu->cu_abbrev_offset;
		cu->cu_pointer_size	 = dbg->read(ds->ds_data, &offset, 1);
		cu->cu_next_offset	 = next_offset;

/* .debug_types extra fields. */
		if (!is_info) {
			memcpy(cu->cu_type_sig.signature,
			    (char *) ds->ds_data + offset, 8);
			offset += 8;
			cu->cu_type_offset = dbg->read(ds->ds_data, &offset,
			    dwarf_size);
		}

/* Add the compilation unit to the list. */
		if (is_info)
			STAILQ_INSERT_TAIL(&dbg->dbg_cu, cu, cu_next);
		else
			STAILQ_INSERT_TAIL(&dbg->dbg_tu, cu, cu_next);

if (cu->cu_version < 2 || cu->cu_version > 4) {
			DWARF_SET_ERROR(dbg, error, DW_DLE_VERSION_STAMP_ERROR);
			ret = DW_DLE_VERSION_STAMP_ERROR;
			break;
		}

cu->cu_1st_offset = offset;

offset = next_offset;

if (!load_all)
			break;
	}

if (is_info) {
		if ((Dwarf_Unsigned) dbg->dbg_info_off >= ds->ds_size)
			dbg->dbg_info_loaded = 1;
	} else {
		if ((Dwarf_Unsigned) dbg->dbg_types_off >= ds->ds_size)
			dbg->dbg_types_loaded = 1;
	}

return (ret);
}

void
_dwarf_info_cleanup(Dwarf_Debug dbg)
{
	Dwarf_CU cu, tcu;

assert(dbg != NULL && dbg->dbg_mode == DW_DLC_READ);

STAILQ_FOREACH_SAFE(cu, &dbg->dbg_cu, cu_next, tcu) {
		STAILQ_REMOVE(&dbg->dbg_cu, cu, _Dwarf_CU, cu_next);
		_dwarf_abbrev_cleanup(cu);
		if (cu->cu_lineinfo != NULL) {
			_dwarf_lineno_cleanup(cu->cu_lineinfo);
			cu->cu_lineinfo = NULL;
		}
		free(cu);
	}

_dwarf_type_unit_cleanup(dbg);
}

void
_dwarf_type_unit_cleanup(Dwarf_Debug dbg)
{
	Dwarf_CU cu, tcu;

assert(dbg != NULL && dbg->dbg_mode == DW_DLC_READ);

STAILQ_FOREACH_SAFE(cu, &dbg->dbg_tu, cu_next, tcu) {
		STAILQ_REMOVE(&dbg->dbg_tu, cu, _Dwarf_CU, cu_next);
		_dwarf_abbrev_cleanup(cu);
		free(cu);
	}
}

int
_dwarf_info_gen(Dwarf_P_Debug dbg, Dwarf_Error *error)
{
	Dwarf_P_Section ds;
	Dwarf_Rel_Section drs;
	Dwarf_Unsigned offset;
	Dwarf_CU cu;
	int ret;

assert(dbg != NULL && dbg->write_alloc != NULL);

if (dbg->dbgp_root_die == NULL)
		return (DW_DLE_NONE);

/* Create the single CU for this debugging object. */
	if ((cu = calloc(1, sizeof(struct _Dwarf_CU))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}
	cu->cu_dbg = dbg;
	cu->cu_version = 2;	/* DWARF2 */
	cu->cu_pointer_size = dbg->dbg_pointer_size;
	STAILQ_INSERT_TAIL(&dbg->dbg_cu, cu, cu_next);

/* Create .debug_info section. */
	if ((ret = _dwarf_section_init(dbg, &dbg->dbgp_info, ".debug_info", 0,
	    error)) != DW_DLE_NONE)
		goto gen_fail1;
	ds = dbg->dbgp_info;

/* Create relocation section for .debug_init */
	if ((ret = _dwarf_reloc_section_init(dbg, &drs, ds, error)) !=
	    DW_DLE_NONE)
		goto gen_fail0;

/* Length placeholder. (We only use 32-bit DWARF format) */
	RCHECK(WRITE_VALUE(cu->cu_length, 4));

/* Write CU version */
	RCHECK(WRITE_VALUE(cu->cu_version, 2));

/*
	 * Write abbrev offset. (always 0, we only support single CU)
	 * Also generate a relocation entry for this offset.
	 */
	RCHECK(_dwarf_reloc_entry_add(dbg, drs, ds, dwarf_drt_data_reloc, 4,
	    ds->ds_size, 0, cu->cu_abbrev_offset, ".debug_abbrev", error));

/* Pointer size. */
	RCHECK(WRITE_VALUE(cu->cu_pointer_size, 1));

/* Transform the DIE(s) of this CU. */
	RCHECK(_dwarf_die_gen(dbg, cu, drs, error));

/* Now we can fill in the length of this CU. */
	cu->cu_length = ds->ds_size - 4;
	offset = 0;
	dbg->write(ds->ds_data, &offset, cu->cu_length, 4);

/* Inform application the creation of .debug_info ELF section. */
	RCHECK(_dwarf_section_callback(dbg, ds, SHT_PROGBITS, 0, 0, 0, error));

/*
	 * Inform application the creation of relocation section for
	 * .debug_info.
	 */
	RCHECK(_dwarf_reloc_section_finalize(dbg, drs, error));

return (DW_DLE_NONE);

gen_fail:
	_dwarf_reloc_section_free(dbg, &drs);

gen_fail0:
	_dwarf_section_free(dbg, &dbg->dbgp_info);

gen_fail1:
	STAILQ_REMOVE(&dbg->dbg_cu, cu, _Dwarf_CU, cu_next);
	free(cu);

return (ret);
}

void
_dwarf_info_pro_cleanup(Dwarf_P_Debug dbg)
{
	Dwarf_CU cu;

assert(dbg != NULL && dbg->dbg_mode == DW_DLC_WRITE);

cu = STAILQ_FIRST(&dbg->dbg_cu);
	if (cu != NULL) {
		STAILQ_REMOVE(&dbg->dbg_cu, cu, _Dwarf_CU, cu_next);
		_dwarf_abbrev_cleanup(cu);
		free(cu);
	}
}

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Editing: libdwarf_info.c

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