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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_reloc.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: libdwarf_reloc.c 3741 2019-06-07 06:32:01Z jkoshy $");

Dwarf_Unsigned
_dwarf_get_reloc_type(Dwarf_P_Debug dbg, int is64)
{

assert(dbg != NULL);

switch (dbg->dbgp_isa) {
	case DW_ISA_AARCH64:
		return (is64 ? R_AARCH64_ABS64 : R_AARCH64_ABS32);
	case DW_ISA_X86:
		return (R_386_32);
	case DW_ISA_X86_64:
		return (is64 ? R_X86_64_64 : R_X86_64_32);
	case DW_ISA_SPARC:
		return (is64 ? R_SPARC_UA64 : R_SPARC_UA32);
	case DW_ISA_PPC:
		return (is64 ? R_PPC64_ADDR64 : R_PPC_ADDR32);
	case DW_ISA_ARM:
		return (R_ARM_ABS32);
	case DW_ISA_MIPS:
		return (is64 ? R_MIPS_64 : R_MIPS_32);
	case DW_ISA_RISCV:
		return (is64 ? R_RISCV_64 : R_RISCV_32);
	case DW_ISA_IA64:
		return (is64 ? R_IA_64_DIR64LSB : R_IA_64_DIR32LSB);
	default:
		break;
	}
	return (0);		/* NOT REACHED */
}

int
_dwarf_get_reloc_size(Dwarf_Debug dbg, Dwarf_Unsigned rel_type)
{

switch (dbg->dbg_machine) {
	case EM_NONE:
		break;
	case EM_AARCH64:
		if (rel_type == R_AARCH64_ABS32)
			return (4);
		else if (rel_type == R_AARCH64_ABS64)
			return (8);
		break;
	case EM_ARM:
		if (rel_type == R_ARM_ABS32)
			return (4);
		break;
	case EM_386:
	case EM_IAMCU:
		if (rel_type == R_386_32)
			return (4);
		break;
	case EM_X86_64:
		if (rel_type == R_X86_64_32)
			return (4);
		else if (rel_type == R_X86_64_64)
			return (8);
		break;
	case EM_SPARC:
		if (rel_type == R_SPARC_UA32)
			return (4);
		else if (rel_type == R_SPARC_UA64)
			return (8);
		break;
	case EM_PPC:
		if (rel_type == R_PPC_ADDR32)
			return (4);
		break;
	case EM_PPC64:
		if (rel_type == R_PPC_ADDR32)
			return (4);
		else if (rel_type == R_PPC64_ADDR64)
			return (8);
		break;
	case EM_MIPS:
		if (rel_type == R_MIPS_32)
			return (4);
		else if (rel_type == R_MIPS_64)
			return (8);
		break;
	case EM_RISCV:
		if (rel_type == R_RISCV_32)
			return (4);
		else if (rel_type == R_RISCV_64)
			return (8);
		break;
	case EM_IA_64:
		if (rel_type == R_IA_64_SECREL32LSB)
			return (4);
		else if (rel_type == R_IA_64_DIR64LSB)
			return (8);
		break;
	default:
		break;
	}

/* unknown relocation. */
	return (0);
}

int
_dwarf_reloc_section_init(Dwarf_P_Debug dbg, Dwarf_Rel_Section *drsp,
    Dwarf_P_Section ref, Dwarf_Error *error)
{
	Dwarf_Rel_Section drs;
	char name[128];
	int pseudo;

assert(dbg != NULL && drsp != NULL && ref != NULL);

if ((drs = calloc(1, sizeof(struct _Dwarf_Rel_Section))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

drs->drs_ref = ref;

/*
	 * FIXME The logic here is most likely wrong. It should
	 * be the ISA that determines relocation type.
	 */
	if (dbg->dbgp_flags & DW_DLC_SIZE_64)
		drs->drs_addend = 1;
	else
		drs->drs_addend = 0;

if (dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS)
		pseudo = 1;
	else
		pseudo = 0;

snprintf(name, sizeof(name), "%s%s",
	    drs->drs_addend ? ".rela" : ".rel", ref->ds_name);
	if (_dwarf_section_init(dbg, &drs->drs_ds, name, pseudo, error) !=
	    DW_DLE_NONE) {
		free(drs);
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

STAILQ_INIT(&drs->drs_dre);
	STAILQ_INSERT_TAIL(&dbg->dbgp_drslist, drs, drs_next);
	dbg->dbgp_drscnt++;
	*drsp = drs;

return (DW_DLE_NONE);
}

void
_dwarf_reloc_section_free(Dwarf_P_Debug dbg, Dwarf_Rel_Section *drsp)
{
	Dwarf_Rel_Section drs, tdrs;
	Dwarf_Rel_Entry dre, tdre;

assert(dbg != NULL && drsp != NULL);

if (*drsp == NULL)
		return;

STAILQ_FOREACH_SAFE(drs, &dbg->dbgp_drslist, drs_next, tdrs) {
		if (drs != *drsp)
			continue;
		STAILQ_REMOVE(&dbg->dbgp_drslist, drs, _Dwarf_Rel_Section,
		    drs_next);
		STAILQ_FOREACH_SAFE(dre, &drs->drs_dre, dre_next, tdre) {
			STAILQ_REMOVE(&drs->drs_dre, dre, _Dwarf_Rel_Entry,
			    dre_next);
			free(dre);
		}
		if ((dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0)
			_dwarf_section_free(dbg, &drs->drs_ds);
		else {
			if (drs->drs_ds->ds_name)
				free(drs->drs_ds->ds_name);
			free(drs->drs_ds);
		}
		free(drs);
		*drsp = NULL;
		dbg->dbgp_drscnt--;
		break;
	}
}

int
_dwarf_reloc_entry_add(Dwarf_P_Debug dbg, Dwarf_Rel_Section drs,
    Dwarf_P_Section ds, unsigned char type, unsigned char length,
    Dwarf_Unsigned offset, Dwarf_Unsigned symndx, Dwarf_Unsigned addend,
    const char *secname, Dwarf_Error *error)
{
	Dwarf_Rel_Entry dre;
	Dwarf_Unsigned reloff;
	int ret;

assert(drs != NULL);
	assert(offset <= ds->ds_size);
	reloff = offset;

/*
	 * If the DW_DLC_SYMBOLIC_RELOCATIONS flag is set or ElfXX_Rel
	 * is used instead of ELfXX_Rela, we need to write the addend
	 * in the storage unit to be relocated. Otherwise write 0 in the
	 * storage unit and the addend will be written into relocation
	 * section later.
	 */
	if ((dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) ||
	    drs->drs_addend == 0)
		ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap, &offset,
		    addend, length, error);
	else
		ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap, &offset,
		    0, length, error);
	if (ret != DW_DLE_NONE)
		return (ret);
	if (offset > ds->ds_size)
		ds->ds_size = offset;

if ((dre = calloc(1, sizeof(struct _Dwarf_Rel_Entry))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}
	STAILQ_INSERT_TAIL(&drs->drs_dre, dre, dre_next);
	dre->dre_type = type;
	dre->dre_length = length;
	dre->dre_offset = reloff;
	dre->dre_symndx = symndx;
	dre->dre_addend = addend;
	dre->dre_secname = secname;
	drs->drs_drecnt++;

return (DW_DLE_NONE);
}

int
_dwarf_reloc_entry_add_pair(Dwarf_P_Debug dbg, Dwarf_Rel_Section drs,
    Dwarf_P_Section ds, unsigned char length, Dwarf_Unsigned offset,
    Dwarf_Unsigned symndx, Dwarf_Unsigned esymndx, Dwarf_Unsigned symoff,
    Dwarf_Unsigned esymoff, Dwarf_Error *error)
{
	Dwarf_Rel_Entry dre;
	Dwarf_Unsigned reloff;
	int ret;

assert(drs != NULL);
	assert(offset <= ds->ds_size);
	assert(dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS);
	reloff = offset;

/* Write net offset into section stream. */
	ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap, &offset,
	    esymoff - symoff, length, error);
	if (ret != DW_DLE_NONE)
		return (ret);
	if (offset > ds->ds_size)
		ds->ds_size = offset;

if ((dre = calloc(2, sizeof(struct _Dwarf_Rel_Entry))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}
	STAILQ_INSERT_TAIL(&drs->drs_dre, &dre[0], dre_next);
	STAILQ_INSERT_TAIL(&drs->drs_dre, &dre[1], dre_next);
	dre[0].dre_type = dwarf_drt_first_of_length_pair;
	dre[0].dre_length = length;
	dre[0].dre_offset = reloff;
	dre[0].dre_symndx = symndx;
	dre[0].dre_addend = 0;
	dre[0].dre_secname = NULL;
	dre[1].dre_type = dwarf_drt_second_of_length_pair;
	dre[1].dre_length = length;
	dre[1].dre_offset = reloff;
	dre[1].dre_symndx = esymndx;
	dre[1].dre_addend = 0;
	dre[1].dre_secname = NULL;
	drs->drs_drecnt += 2;

return (DW_DLE_NONE);
}

int
_dwarf_reloc_section_finalize(Dwarf_P_Debug dbg, Dwarf_Rel_Section drs,
    Dwarf_Error *error)
{
	Dwarf_P_Section ds;
	Dwarf_Unsigned unit;
	int ret, size;

assert(dbg != NULL && drs != NULL && drs->drs_ds != NULL &&
	    drs->drs_ref != NULL);

ds = drs->drs_ds;

/*
	 * Calculate the size (in bytes) of the relocation section.
	 */
	if (dbg->dbgp_flags & DW_DLC_SIZE_64)
		unit = drs->drs_addend ? sizeof(Elf64_Rela) : sizeof(Elf64_Rel);
	else
		unit = drs->drs_addend ? sizeof(Elf32_Rela) : sizeof(Elf32_Rel);
	assert(ds->ds_size == 0);
	size = drs->drs_drecnt * unit;

/*
	 * Discard this relocation section if there is no entry in it.
	 */
	if (size == 0) {
		_dwarf_reloc_section_free(dbg, &drs);
		return (DW_DLE_NONE);
	}

/*
	 * If we are under stream mode, realloc the section data block to
	 * this size.
	 */
	if ((dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0) {
		ds->ds_cap = size;
		if ((ds->ds_data = realloc(ds->ds_data, (size_t) ds->ds_cap)) ==
		    NULL) {
			DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
	}

/*
	 * Notify the application the creation of this relocation section.
	 * Note that the section link here should point to the .symtab
	 * section, we set it to 0 since we have no way to know .symtab
	 * section index.
	 */
	ret = _dwarf_pro_callback(dbg, ds->ds_name, size,
	    drs->drs_addend ? SHT_RELA : SHT_REL, 0, 0, drs->drs_ref->ds_ndx,
	    &ds->ds_symndx, NULL);
	if (ret < 0) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_ELF_SECT_ERR);
		return (DW_DLE_ELF_SECT_ERR);
	}
	ds->ds_ndx = ret;

return (DW_DLE_NONE);
}

int
_dwarf_reloc_section_gen(Dwarf_P_Debug dbg, Dwarf_Rel_Section drs,
    Dwarf_Error *error)
{
	Dwarf_Rel_Entry dre;
	Dwarf_P_Section ds;
	Dwarf_Unsigned type;
	int ret;

assert((dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0);
	assert(drs->drs_ds != NULL && drs->drs_ds->ds_size == 0);
	assert(!STAILQ_EMPTY(&drs->drs_dre));
	ds = drs->drs_ds;

STAILQ_FOREACH(dre, &drs->drs_dre, dre_next) {
		assert(dre->dre_length == 4 || dre->dre_length == 8);
		type = _dwarf_get_reloc_type(dbg, dre->dre_length == 8);
		if (dbg->dbgp_flags & DW_DLC_SIZE_64) {
			/* Write r_offset (8 bytes) */
			ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap,
			    &ds->ds_size, dre->dre_offset, 8, error);
			if (ret != DW_DLE_NONE)
				return (ret);
			/* Write r_info (8 bytes) */
			ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap,
			    &ds->ds_size, ELF64_R_INFO(dre->dre_symndx, type),
			    8, error);
			if (ret != DW_DLE_NONE)
				return (ret);
			/* Write r_addend (8 bytes) */
			if (drs->drs_addend) {
				ret = dbg->write_alloc(&ds->ds_data,
				    &ds->ds_cap, &ds->ds_size, dre->dre_addend,
				    8, error);
				if (ret != DW_DLE_NONE)
					return (ret);
			}
		} else {
			/* Write r_offset (4 bytes) */
			ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap,
			    &ds->ds_size, dre->dre_offset, 4, error);
			if (ret != DW_DLE_NONE)
				return (ret);
			/* Write r_info (4 bytes) */
			ret = dbg->write_alloc(&ds->ds_data, &ds->ds_cap,
			    &ds->ds_size, ELF32_R_INFO(dre->dre_symndx, type),
			    4, error);
			if (ret != DW_DLE_NONE)
				return (ret);
			/* Write r_addend (4 bytes) */
			if (drs->drs_addend) {
				ret = dbg->write_alloc(&ds->ds_data,
				    &ds->ds_cap, &ds->ds_size, dre->dre_addend,
				    4, error);
				if (ret != DW_DLE_NONE)
					return (ret);
			}
		}
	}
	assert(ds->ds_size == ds->ds_cap);

return (DW_DLE_NONE);
}

int
_dwarf_reloc_gen(Dwarf_P_Debug dbg, Dwarf_Error *error)
{
	Dwarf_Rel_Section drs;
	Dwarf_Rel_Entry dre;
	Dwarf_P_Section ds;
	int ret;

STAILQ_FOREACH(drs, &dbg->dbgp_drslist, drs_next) {
		/*
		 * Update relocation entries: translate any section name
		 * reference to section symbol index.
		 */
		STAILQ_FOREACH(dre, &drs->drs_dre, dre_next) {
			if (dre->dre_secname == NULL)
				continue;
			ds = _dwarf_pro_find_section(dbg, dre->dre_secname);
			assert(ds != NULL && ds->ds_symndx != 0);
			dre->dre_symndx = ds->ds_symndx;
		}

/*
		 * Generate ELF relocation section if we are under stream
		 * mode.
		 */
		if ((dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0) {
			ret = _dwarf_reloc_section_gen(dbg, drs, error);
			if (ret != DW_DLE_NONE)
				return (ret);
		}
	}

return (DW_DLE_NONE);
}

void
_dwarf_reloc_cleanup(Dwarf_P_Debug dbg)
{
	Dwarf_Rel_Section drs, tdrs;
	Dwarf_Rel_Entry dre, tdre;

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

STAILQ_FOREACH_SAFE(drs, &dbg->dbgp_drslist, drs_next, tdrs) {
		STAILQ_REMOVE(&dbg->dbgp_drslist, drs, _Dwarf_Rel_Section,
		    drs_next);
		free(drs->drs_drd);
		STAILQ_FOREACH_SAFE(dre, &drs->drs_dre, dre_next, tdre) {
			STAILQ_REMOVE(&drs->drs_dre, dre, _Dwarf_Rel_Entry,
			    dre_next);
			free(dre);
		}
		if (dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) {
			if (drs->drs_ds) {
				if (drs->drs_ds->ds_name)
					free(drs->drs_ds->ds_name);
				free(drs->drs_ds);
			}
		}
		free(drs);
	}
	dbg->dbgp_drscnt = 0;
	dbg->dbgp_drspos = NULL;
}

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