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📁 ..
📄 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_rw.c

/*-
 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
 * 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: libdwarf_rw.c 3286 2015-12-31 16:45:46Z emaste $");

uint64_t
_dwarf_read_lsb(uint8_t *data, uint64_t *offsetp, int bytes_to_read)
{
	uint64_t ret;
	uint8_t *src;

src = data + *offsetp;

ret = 0;
	switch (bytes_to_read) {
	case 8:
		ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
		ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
		/* FALLTHROUGH */
	case 4:
		ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
		/* FALLTHROUGH */
	case 2:
		ret |= ((uint64_t) src[1]) << 8;
		/* FALLTHROUGH */
	case 1:
		ret |= src[0];
		break;
	default:
		return (0);
	}

*offsetp += bytes_to_read;

return (ret);
}

uint64_t
_dwarf_decode_lsb(uint8_t **data, int bytes_to_read)
{
	uint64_t ret;
	uint8_t *src;

src = *data;

*data += bytes_to_read;

return (ret);
}

uint64_t
_dwarf_read_msb(uint8_t *data, uint64_t *offsetp, int bytes_to_read)
{
	uint64_t ret;
	uint8_t *src;

src = data + *offsetp;

switch (bytes_to_read) {
	case 1:
		ret = src[0];
		break;
	case 2:
		ret = src[1] | ((uint64_t) src[0]) << 8;
		break;
	case 4:
		ret = src[3] | ((uint64_t) src[2]) << 8;
		ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
		break;
	case 8:
		ret = src[7] | ((uint64_t) src[6]) << 8;
		ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
		ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
		ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
		break;
	default:
		return (0);
	}

*offsetp += bytes_to_read;

return (ret);
}

uint64_t
_dwarf_decode_msb(uint8_t **data, int bytes_to_read)
{
	uint64_t ret;
	uint8_t *src;

src = *data;

ret = 0;
	switch (bytes_to_read) {
	case 1:
		ret = src[0];
		break;
	case 2:
		ret = src[1] | ((uint64_t) src[0]) << 8;
		break;
	case 4:
		ret = src[3] | ((uint64_t) src[2]) << 8;
		ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
		break;
	case 8:
		ret = src[7] | ((uint64_t) src[6]) << 8;
		ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
		ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
		ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
		break;
	default:
		return (0);
		break;
	}

*data += bytes_to_read;

return (ret);
}

void
_dwarf_write_lsb(uint8_t *data, uint64_t *offsetp, uint64_t value,
    int bytes_to_write)
{
	uint8_t *dst;

dst = data + *offsetp;

switch (bytes_to_write) {
	case 8:
		dst[7] = (value >> 56) & 0xff;
		dst[6] = (value >> 48) & 0xff;
		dst[5] = (value >> 40) & 0xff;
		dst[4] = (value >> 32) & 0xff;
		/* FALLTHROUGH */
	case 4:
		dst[3] = (value >> 24) & 0xff;
		dst[2] = (value >> 16) & 0xff;
		/* FALLTHROUGH */
	case 2:
		dst[1] = (value >> 8) & 0xff;
		/* FALLTHROUGH */
	case 1:
		dst[0] = value & 0xff;
		break;
	default:
		return;
	}

*offsetp += bytes_to_write;
}

int
_dwarf_write_lsb_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    uint64_t value, int bytes_to_write, Dwarf_Error *error)
{

assert(*size > 0);

while (*offsetp + bytes_to_write > *size) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

_dwarf_write_lsb(*block, offsetp, value, bytes_to_write);

return (DW_DLE_NONE);
}

void
_dwarf_write_msb(uint8_t *data, uint64_t *offsetp, uint64_t value,
    int bytes_to_write)
{
	uint8_t *dst;

dst = data + *offsetp;

switch (bytes_to_write) {
	case 8:
		dst[7] = value & 0xff;
		dst[6] = (value >> 8) & 0xff;
		dst[5] = (value >> 16) & 0xff;
		dst[4] = (value >> 24) & 0xff;
		value >>= 32;
		/* FALLTHROUGH */
	case 4:
		dst[3] = value & 0xff;
		dst[2] = (value >> 8) & 0xff;
		value >>= 16;
		/* FALLTHROUGH */
	case 2:
		dst[1] = value & 0xff;
		value >>= 8;
		/* FALLTHROUGH */
	case 1:
		dst[0] = value & 0xff;
		break;
	default:
		return;
	}

*offsetp += bytes_to_write;
}

int
_dwarf_write_msb_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    uint64_t value, int bytes_to_write, Dwarf_Error *error)
{

assert(*size > 0);

_dwarf_write_msb(*block, offsetp, value, bytes_to_write);

return (DW_DLE_NONE);
}

int64_t
_dwarf_read_sleb128(uint8_t *data, uint64_t *offsetp)
{
	int64_t ret = 0;
	uint8_t b;
	int shift = 0;
	uint8_t *src;

src = data + *offsetp;

do {
		b = *src++;
		ret |= ((b & 0x7f) << shift);
		(*offsetp)++;
		shift += 7;
	} while ((b & 0x80) != 0);

if (shift < 64 && (b & 0x40) != 0)
		ret |= (-1 << shift);

return (ret);
}

int
_dwarf_write_sleb128(uint8_t *data, uint8_t *end, int64_t val)
{
	uint8_t *p;

p = data;

for (;;) {
		if (p >= end)
			return (-1);
		*p = val & 0x7f;
		val >>= 7;
		if ((val == 0 && (*p & 0x40) == 0) ||
		    (val == -1 && (*p & 0x40) != 0)) {
			p++;
			break;
		}
		*p++ |= 0x80;
	}

return (p - data);
}

int
_dwarf_write_sleb128_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    int64_t val, Dwarf_Error *error)
{
	int len;

assert(*size > 0);

while ((len = _dwarf_write_sleb128(*block + *offsetp, *block + *size,
	    val)) < 0) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

*offsetp += len;

return (DW_DLE_NONE);
}

uint64_t
_dwarf_read_uleb128(uint8_t *data, uint64_t *offsetp)
{
	uint64_t ret = 0;
	uint8_t b;
	int shift = 0;
	uint8_t *src;

src = data + *offsetp;

do {
		b = *src++;
		ret |= ((b & 0x7f) << shift);
		(*offsetp)++;
		shift += 7;
	} while ((b & 0x80) != 0);

return (ret);
}

int
_dwarf_write_uleb128(uint8_t *data, uint8_t *end, uint64_t val)
{
	uint8_t *p;

p = data;

do {
		if (p >= end)
			return (-1);
		*p = val & 0x7f;
		val >>= 7;
		if (val > 0)
			*p |= 0x80;
		p++;
	} while (val > 0);

return (p - data);
}

int
_dwarf_write_uleb128_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    uint64_t val, Dwarf_Error *error)
{
	int len;

assert(*size > 0);

while ((len = _dwarf_write_uleb128(*block + *offsetp, *block + *size,
	    val)) < 0) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

*offsetp += len;

return (DW_DLE_NONE);
}

int64_t
_dwarf_decode_sleb128(uint8_t **dp)
{
	int64_t ret = 0;
	uint8_t b;
	int shift = 0;

uint8_t *src = *dp;

do {
		b = *src++;
		ret |= ((b & 0x7f) << shift);
		shift += 7;
	} while ((b & 0x80) != 0);

if (shift < 64 && (b & 0x40) != 0)
		ret |= (-1 << shift);

*dp = src;

return (ret);
}

uint64_t
_dwarf_decode_uleb128(uint8_t **dp)
{
	uint64_t ret = 0;
	uint8_t b;
	int shift = 0;

uint8_t *src = *dp;

do {
		b = *src++;
		ret |= ((b & 0x7f) << shift);
		shift += 7;
	} while ((b & 0x80) != 0);

*dp = src;

return (ret);
}

char *
_dwarf_read_string(void *data, Dwarf_Unsigned size, uint64_t *offsetp)
{
	char *ret, *src;

ret = src = (char *) data + *offsetp;

while (*src != '\0' && *offsetp < size) {
		src++;
		(*offsetp)++;
	}

if (*src == '\0' && *offsetp < size)
		(*offsetp)++;

return (ret);
}

void
_dwarf_write_string(void *data, uint64_t *offsetp, char *string)
{
	char *dst;

dst = (char *) data + *offsetp;
	strcpy(dst, string);
	(*offsetp) += strlen(string) + 1;
}

int
_dwarf_write_string_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    char *string, Dwarf_Error *error)
{
	size_t len;

assert(*size > 0);

len = strlen(string) + 1;
	while (*offsetp + len > *size) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

_dwarf_write_string(*block, offsetp, string);

return (DW_DLE_NONE);
}

uint8_t *
_dwarf_read_block(void *data, uint64_t *offsetp, uint64_t length)
{
	uint8_t *ret, *src;

ret = src = (uint8_t *) data + *offsetp;

(*offsetp) += length;

return (ret);
}

void
_dwarf_write_block(void *data, uint64_t *offsetp, uint8_t *blk,
    uint64_t length)
{
	uint8_t *dst;

dst = (uint8_t *) data + *offsetp;
	memcpy(dst, blk, length);
	(*offsetp) += length;
}

int
_dwarf_write_block_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    uint8_t *blk, uint64_t length, Dwarf_Error *error)
{

assert(*size > 0);

while (*offsetp + length > *size) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

_dwarf_write_block(*block, offsetp, blk, length);

return (DW_DLE_NONE);
}

void
_dwarf_write_padding(void *data, uint64_t *offsetp, uint8_t byte,
    uint64_t length)
{
	uint8_t *dst;

dst = (uint8_t *) data + *offsetp;
	memset(dst, byte, length);
	(*offsetp) += length;
}

int
_dwarf_write_padding_alloc(uint8_t **block, uint64_t *size, uint64_t *offsetp,
    uint8_t byte, uint64_t cnt, Dwarf_Error *error)
{
	assert(*size > 0);

while (*offsetp + cnt > *size) {
		*size *= 2;
		*block = realloc(*block, (size_t) *size);
		if (*block == NULL) {
			DWARF_SET_ERROR(NULL, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

_dwarf_write_padding(*block, offsetp, byte, cnt);

return (DW_DLE_NONE);
}

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