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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_loc.c

/*-
 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
 * Copyright (c) 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_loc.c 3070 2014-06-23 03:08:33Z kaiwang27 $");

/*
 * Given an array of bytes of length 'len' representing a
 * DWARF expression, compute the number of operations based
 * on there being one byte describing the operation and
 * zero or more bytes of operands as defined in the standard
 * for each operation type. Also, if lbuf is non-null, store
 * the opcode and oprand in it.
 */
static int
_dwarf_loc_fill_loc(Dwarf_Debug dbg, Dwarf_Locdesc *lbuf, uint8_t pointer_size,
    uint8_t offset_size, uint8_t version, uint8_t *p, int len)
{
	int count;
	uint64_t operand1;
	uint64_t operand2;
	uint8_t *ps, *pe, s;

count = 0;
	ps = p;
	pe = p + len;

/*
	 * Process each byte. If an error occurs, then the
	 * count will be set to -1.
	 */
	while (p < pe) {

operand1 = 0;
		operand2 = 0;

if (lbuf != NULL) {
			lbuf->ld_s[count].lr_atom = *p;
			lbuf->ld_s[count].lr_offset = p - ps;
		}

switch (*p++) {
		/* Operations with no operands. */
		case DW_OP_deref:
		case DW_OP_reg0:
		case DW_OP_reg1:
		case DW_OP_reg2:
		case DW_OP_reg3:
		case DW_OP_reg4:
		case DW_OP_reg5:
		case DW_OP_reg6:
		case DW_OP_reg7:
		case DW_OP_reg8:
		case DW_OP_reg9:
		case DW_OP_reg10:
		case DW_OP_reg11:
		case DW_OP_reg12:
		case DW_OP_reg13:
		case DW_OP_reg14:
		case DW_OP_reg15:
		case DW_OP_reg16:
		case DW_OP_reg17:
		case DW_OP_reg18:
		case DW_OP_reg19:
		case DW_OP_reg20:
		case DW_OP_reg21:
		case DW_OP_reg22:
		case DW_OP_reg23:
		case DW_OP_reg24:
		case DW_OP_reg25:
		case DW_OP_reg26:
		case DW_OP_reg27:
		case DW_OP_reg28:
		case DW_OP_reg29:
		case DW_OP_reg30:
		case DW_OP_reg31:

case DW_OP_lit0:
		case DW_OP_lit1:
		case DW_OP_lit2:
		case DW_OP_lit3:
		case DW_OP_lit4:
		case DW_OP_lit5:
		case DW_OP_lit6:
		case DW_OP_lit7:
		case DW_OP_lit8:
		case DW_OP_lit9:
		case DW_OP_lit10:
		case DW_OP_lit11:
		case DW_OP_lit12:
		case DW_OP_lit13:
		case DW_OP_lit14:
		case DW_OP_lit15:
		case DW_OP_lit16:
		case DW_OP_lit17:
		case DW_OP_lit18:
		case DW_OP_lit19:
		case DW_OP_lit20:
		case DW_OP_lit21:
		case DW_OP_lit22:
		case DW_OP_lit23:
		case DW_OP_lit24:
		case DW_OP_lit25:
		case DW_OP_lit26:
		case DW_OP_lit27:
		case DW_OP_lit28:
		case DW_OP_lit29:
		case DW_OP_lit30:
		case DW_OP_lit31:

case DW_OP_dup:
		case DW_OP_drop:

case DW_OP_over:

case DW_OP_swap:
		case DW_OP_rot:
		case DW_OP_xderef:

case DW_OP_abs:
		case DW_OP_and:
		case DW_OP_div:
		case DW_OP_minus:
		case DW_OP_mod:
		case DW_OP_mul:
		case DW_OP_neg:
		case DW_OP_not:
		case DW_OP_or:
		case DW_OP_plus:

case DW_OP_shl:
		case DW_OP_shr:
		case DW_OP_shra:
		case DW_OP_xor:

case DW_OP_eq:
		case DW_OP_ge:
		case DW_OP_gt:
		case DW_OP_le:
		case DW_OP_lt:
		case DW_OP_ne:

case DW_OP_nop:
		case DW_OP_push_object_address:
		case DW_OP_form_tls_address:
		case DW_OP_call_frame_cfa:
		case DW_OP_stack_value:
		case DW_OP_GNU_push_tls_address:
		case DW_OP_GNU_uninit:
			break;

/* Operations with 1-byte operands. */
		case DW_OP_const1u:
		case DW_OP_pick:
		case DW_OP_deref_size:
		case DW_OP_xderef_size:
			operand1 = *p++;
			break;

case DW_OP_const1s:
			operand1 = (int8_t) *p++;
			break;

/* Operations with 2-byte operands. */
		case DW_OP_call2:
		case DW_OP_const2u:
		case DW_OP_bra:
		case DW_OP_skip:
			operand1 = dbg->decode(&p, 2);
			break;

case DW_OP_const2s:
			operand1 = (int16_t) dbg->decode(&p, 2);
			break;

/* Operations with 4-byte operands. */
		case DW_OP_call4:
		case DW_OP_const4u:
		case DW_OP_GNU_parameter_ref:
			operand1 = dbg->decode(&p, 4);
			break;

case DW_OP_const4s:
			operand1 = (int32_t) dbg->decode(&p, 4);
			break;

/* Operations with 8-byte operands. */
		case DW_OP_const8u:
		case DW_OP_const8s:
			operand1 = dbg->decode(&p, 8);
			break;

/* Operations with an unsigned LEB128 operand. */
		case DW_OP_constu:
		case DW_OP_plus_uconst:
		case DW_OP_regx:
		case DW_OP_piece:
		case DW_OP_GNU_deref_type:
		case DW_OP_GNU_convert:
		case DW_OP_GNU_reinterpret:
			operand1 = _dwarf_decode_uleb128(&p);
			break;

/* Operations with a signed LEB128 operand. */
		case DW_OP_consts:
		case DW_OP_breg0:
		case DW_OP_breg1:
		case DW_OP_breg2:
		case DW_OP_breg3:
		case DW_OP_breg4:
		case DW_OP_breg5:
		case DW_OP_breg6:
		case DW_OP_breg7:
		case DW_OP_breg8:
		case DW_OP_breg9:
		case DW_OP_breg10:
		case DW_OP_breg11:
		case DW_OP_breg12:
		case DW_OP_breg13:
		case DW_OP_breg14:
		case DW_OP_breg15:
		case DW_OP_breg16:
		case DW_OP_breg17:
		case DW_OP_breg18:
		case DW_OP_breg19:
		case DW_OP_breg20:
		case DW_OP_breg21:
		case DW_OP_breg22:
		case DW_OP_breg23:
		case DW_OP_breg24:
		case DW_OP_breg25:
		case DW_OP_breg26:
		case DW_OP_breg27:
		case DW_OP_breg28:
		case DW_OP_breg29:
		case DW_OP_breg30:
		case DW_OP_breg31:
		case DW_OP_fbreg:
			operand1 = _dwarf_decode_sleb128(&p);
			break;

/*
		 * Oeration with two unsigned LEB128 operands.
		 */
		case DW_OP_bit_piece:
		case DW_OP_GNU_regval_type:
			operand1 = _dwarf_decode_uleb128(&p);
			operand2 = _dwarf_decode_uleb128(&p);
			break;

/*
		 * Operations with an unsigned LEB128 operand
		 * followed by a signed LEB128 operand.
		 */
		case DW_OP_bregx:
			operand1 = _dwarf_decode_uleb128(&p);
			operand2 = _dwarf_decode_sleb128(&p);
			break;

/*
		 * Operation with an unsigned LEB128 operand
		 * representing the size of a block, followed
		 * by the block content.
		 *
		 * Store the size of the block in the operand1
		 * and a pointer to the block in the operand2.
		 */
		case DW_OP_implicit_value:
		case DW_OP_GNU_entry_value:
			operand1 = _dwarf_decode_uleb128(&p);
			operand2 = (Dwarf_Unsigned) (uintptr_t) p;
			p += operand1;
			break;

/* Target address size operand. */
		case DW_OP_addr:
		case DW_OP_GNU_addr_index:
		case DW_OP_GNU_const_index:
			operand1 = dbg->decode(&p, pointer_size);
			break;

/* Offset size operand. */
		case DW_OP_call_ref:
			operand1 = dbg->decode(&p, offset_size);
			break;

/*
		 * The first byte is address byte length, followed by
		 * the address value. If the length is 0, the address
		 * size is the same as target pointer size.
		 */
		case DW_OP_GNU_encoded_addr:
			s = *p++;
			if (s == 0)
				s = pointer_size;
			operand1 = dbg->decode(&p, s);
			break;

/*
		 * Operand1: DIE offset (size depending on DWARF version)
		 * DWARF2: pointer size
		 * DWARF{3,4}: offset size
		 *
		 * Operand2: SLEB128
		 */
		case DW_OP_GNU_implicit_pointer:
			if (version == 2)
				operand1 = dbg->decode(&p, pointer_size);
			else
				operand1 = dbg->decode(&p, offset_size);
			operand2 = _dwarf_decode_sleb128(&p);
			break;

/*
		 * Operand1: DIE offset (ULEB128)
		 * Operand2: pointer to a block. The block's first byte
		 * is its size.
		 */
		case DW_OP_GNU_const_type:
			operand1 = _dwarf_decode_uleb128(&p);
			operand2 = (Dwarf_Unsigned) (uintptr_t) p;
			s = *p++;
			p += s;
			break;

/* All other operations cause an error. */
		default:
			count = -1;
			goto done;
		}

if (lbuf != NULL) {
			lbuf->ld_s[count].lr_number = operand1;
			lbuf->ld_s[count].lr_number2 = operand2;
		}

count++;
	}

done:
	return (count);
}

int
_dwarf_loc_expr_add_atom(Dwarf_Debug dbg, uint8_t *out, uint8_t *end,
    Dwarf_Small atom, Dwarf_Unsigned operand1, Dwarf_Unsigned operand2,
    int *length, Dwarf_Error *error)
{
	uint8_t buf[64];
	uint8_t *p, *pe;
	uint64_t offset;
	int len;

if (out != NULL && end != NULL) {
		p = out;
		pe = end;
	} else {
		p = out = buf;
		pe = &buf[sizeof(buf)];
	}

switch (atom) {
	/* Operations with no operands. */
	case DW_OP_deref:
	case DW_OP_reg0:
	case DW_OP_reg1:
	case DW_OP_reg2:
	case DW_OP_reg3:
	case DW_OP_reg4:
	case DW_OP_reg5:
	case DW_OP_reg6:
	case DW_OP_reg7:
	case DW_OP_reg8:
	case DW_OP_reg9:
	case DW_OP_reg10:
	case DW_OP_reg11:
	case DW_OP_reg12:
	case DW_OP_reg13:
	case DW_OP_reg14:
	case DW_OP_reg15:
	case DW_OP_reg16:
	case DW_OP_reg17:
	case DW_OP_reg18:
	case DW_OP_reg19:
	case DW_OP_reg20:
	case DW_OP_reg21:
	case DW_OP_reg22:
	case DW_OP_reg23:
	case DW_OP_reg24:
	case DW_OP_reg25:
	case DW_OP_reg26:
	case DW_OP_reg27:
	case DW_OP_reg28:
	case DW_OP_reg29:
	case DW_OP_reg30:
	case DW_OP_reg31:

case DW_OP_lit0:
	case DW_OP_lit1:
	case DW_OP_lit2:
	case DW_OP_lit3:
	case DW_OP_lit4:
	case DW_OP_lit5:
	case DW_OP_lit6:
	case DW_OP_lit7:
	case DW_OP_lit8:
	case DW_OP_lit9:
	case DW_OP_lit10:
	case DW_OP_lit11:
	case DW_OP_lit12:
	case DW_OP_lit13:
	case DW_OP_lit14:
	case DW_OP_lit15:
	case DW_OP_lit16:
	case DW_OP_lit17:
	case DW_OP_lit18:
	case DW_OP_lit19:
	case DW_OP_lit20:
	case DW_OP_lit21:
	case DW_OP_lit22:
	case DW_OP_lit23:
	case DW_OP_lit24:
	case DW_OP_lit25:
	case DW_OP_lit26:
	case DW_OP_lit27:
	case DW_OP_lit28:
	case DW_OP_lit29:
	case DW_OP_lit30:
	case DW_OP_lit31:

case DW_OP_dup:
	case DW_OP_drop:

case DW_OP_over:

case DW_OP_swap:
	case DW_OP_rot:
	case DW_OP_xderef:

case DW_OP_abs:
	case DW_OP_and:
	case DW_OP_div:
	case DW_OP_minus:
	case DW_OP_mod:
	case DW_OP_mul:
	case DW_OP_neg:
	case DW_OP_not:
	case DW_OP_or:
	case DW_OP_plus:

case DW_OP_shl:
	case DW_OP_shr:
	case DW_OP_shra:
	case DW_OP_xor:

case DW_OP_eq:
	case DW_OP_ge:
	case DW_OP_gt:
	case DW_OP_le:
	case DW_OP_lt:
	case DW_OP_ne:

case DW_OP_nop:
	case DW_OP_GNU_push_tls_address:
		*p++ = atom;
		break;

/* Operations with 1-byte operands. */
	case DW_OP_const1u:
	case DW_OP_const1s:
	case DW_OP_pick:
	case DW_OP_deref_size:
	case DW_OP_xderef_size:
		*p++ = atom;
		*p++ = (uint8_t) operand1;
		break;

/* Operations with 2-byte operands. */
	case DW_OP_const2u:
	case DW_OP_const2s:
	case DW_OP_bra:
	case DW_OP_skip:
		*p++ = atom;
		offset = 0;
		dbg->write(p, &offset, operand1, 2);
		p += 2;
		break;

/* Operations with 4-byte operands. */
	case DW_OP_const4u:
	case DW_OP_const4s:
		*p++ = atom;
		offset = 0;
		dbg->write(p, &offset, operand1, 4);
		p += 4;
		break;

/* Operations with 8-byte operands. */
	case DW_OP_const8u:
	case DW_OP_const8s:
		*p++ = atom;
		offset = 0;
		dbg->write(p, &offset, operand1, 8);
		p += 8;
		break;

/* Operations with an unsigned LEB128 operand. */
	case DW_OP_constu:
	case DW_OP_plus_uconst:
	case DW_OP_regx:
	case DW_OP_piece:
		*p++ = atom;
		len = _dwarf_write_uleb128(p, pe, operand1);
		assert(len > 0);
		p += len;
		break;

/* Operations with a signed LEB128 operand. */
	case DW_OP_consts:
	case DW_OP_breg0:
	case DW_OP_breg1:
	case DW_OP_breg2:
	case DW_OP_breg3:
	case DW_OP_breg4:
	case DW_OP_breg5:
	case DW_OP_breg6:
	case DW_OP_breg7:
	case DW_OP_breg8:
	case DW_OP_breg9:
	case DW_OP_breg10:
	case DW_OP_breg11:
	case DW_OP_breg12:
	case DW_OP_breg13:
	case DW_OP_breg14:
	case DW_OP_breg15:
	case DW_OP_breg16:
	case DW_OP_breg17:
	case DW_OP_breg18:
	case DW_OP_breg19:
	case DW_OP_breg20:
	case DW_OP_breg21:
	case DW_OP_breg22:
	case DW_OP_breg23:
	case DW_OP_breg24:
	case DW_OP_breg25:
	case DW_OP_breg26:
	case DW_OP_breg27:
	case DW_OP_breg28:
	case DW_OP_breg29:
	case DW_OP_breg30:
	case DW_OP_breg31:
	case DW_OP_fbreg:
		*p++ = atom;
		len = _dwarf_write_sleb128(p, pe, operand1);
		assert(len > 0);
		p += len;
		break;

/*
	 * Operations with an unsigned LEB128 operand
	 * followed by a signed LEB128 operand.
	 */
	case DW_OP_bregx:
		*p++ = atom;
		len = _dwarf_write_uleb128(p, pe, operand1);
		assert(len > 0);
		p += len;
		len = _dwarf_write_sleb128(p, pe, operand2);
		assert(len > 0);
		p += len;
		break;

/* Target address size operand. */
	case DW_OP_addr:
		*p++ = atom;
		offset = 0;
		dbg->write(p, &offset, operand1, dbg->dbg_pointer_size);
		p += dbg->dbg_pointer_size;
		break;

/* All other operations cause an error. */
	default:
		DWARF_SET_ERROR(dbg, error, DW_DLE_LOC_EXPR_BAD);
		return (DW_DLE_LOC_EXPR_BAD);
	}

if (length)
		*length = p - out;

return (DW_DLE_NONE);
}

int
_dwarf_loc_fill_locdesc(Dwarf_Debug dbg, Dwarf_Locdesc *llbuf, uint8_t *in,
    uint64_t in_len, uint8_t pointer_size, uint8_t offset_size,
    uint8_t version, Dwarf_Error *error)
{
	int num;

assert(llbuf != NULL);
	assert(in != NULL);
	assert(in_len > 0);

/* Compute the number of locations. */
	if ((num = _dwarf_loc_fill_loc(dbg, NULL, pointer_size, offset_size,
	    version, in, in_len)) < 0) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_LOC_EXPR_BAD);
		return (DW_DLE_LOC_EXPR_BAD);
	}

llbuf->ld_cents = num;
	if (num <= 0)
		return (DW_DLE_NONE);

if ((llbuf->ld_s = calloc(num, sizeof(Dwarf_Loc))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

(void) _dwarf_loc_fill_loc(dbg, llbuf, pointer_size, offset_size,
	    version, in, in_len);

return (DW_DLE_NONE);
}

int
_dwarf_loc_fill_locexpr(Dwarf_Debug dbg, Dwarf_Locdesc **ret_llbuf, uint8_t *in,
    uint64_t in_len, uint8_t pointer_size, uint8_t offset_size,
    uint8_t version, Dwarf_Error *error)
{
	Dwarf_Locdesc *llbuf;
	int ret;

if ((llbuf = malloc(sizeof(Dwarf_Locdesc))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}
	llbuf->ld_lopc = 0;
	llbuf->ld_hipc = ~0ULL;
	llbuf->ld_s = NULL;

ret = _dwarf_loc_fill_locdesc(dbg, llbuf, in, in_len, pointer_size,
	    offset_size, version, error);
	if (ret != DW_DLE_NONE) {
		free(llbuf);
		return (ret);
	}

*ret_llbuf = llbuf;

return (ret);
}

int
_dwarf_loc_add(Dwarf_Die die, Dwarf_Attribute at, Dwarf_Error *error)
{
	Dwarf_Debug dbg;
	Dwarf_CU cu;
	int ret;

assert(at->at_ld == NULL);
	assert(at->u[1].u8p != NULL);
	assert(at->u[0].u64 > 0);

cu = die->die_cu;
	assert(cu != NULL);

dbg = cu->cu_dbg;
	assert(dbg != NULL);

ret = _dwarf_loc_fill_locexpr(dbg, &at->at_ld, at->u[1].u8p,
	    at->u[0].u64, cu->cu_pointer_size, cu->cu_length_size == 4 ? 4 : 8,
	    cu->cu_version, error);

return (ret);
}

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