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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_nametbl.c

/*-
 * Copyright (c) 2009,2010 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_nametbl.c 3029 2014-04-21 23:26:02Z kaiwang27 $");

void
_dwarf_nametbl_cleanup(Dwarf_NameSec *nsp)
{
	Dwarf_NameSec ns;
	Dwarf_NameTbl nt, tnt;
	Dwarf_NamePair np, tnp;

assert(nsp != NULL);
	if ((ns = *nsp) == NULL)
		return;

STAILQ_FOREACH_SAFE(nt, &ns->ns_ntlist, nt_next, tnt) {
		STAILQ_FOREACH_SAFE(np, &nt->nt_nplist, np_next, tnp) {
			STAILQ_REMOVE(&nt->nt_nplist, np, _Dwarf_NamePair,
			    np_next);
			free(np);
		}
		STAILQ_REMOVE(&ns->ns_ntlist, nt, _Dwarf_NameTbl, nt_next);
		free(nt);
	}
	if (ns->ns_array)
		free(ns->ns_array);
	free(ns);
	*nsp = NULL;
}

int
_dwarf_nametbl_init(Dwarf_Debug dbg, Dwarf_NameSec *namesec, Dwarf_Section *ds,
    Dwarf_Error *error)
{
	Dwarf_CU cu;
	Dwarf_NameSec ns;
	Dwarf_NameTbl nt;
	Dwarf_NamePair np;
	uint64_t offset, dwarf_size, length, cuoff;
	char *p;
	int i, ret;

assert(*namesec == NULL);

if ((ns = malloc(sizeof(struct _Dwarf_NameSec))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}
	STAILQ_INIT(&ns->ns_ntlist);
	ns->ns_array = NULL;
	ns->ns_len = 0;

offset = 0;
	while (offset < ds->ds_size) {

/* Allocate a new name table. */
		if ((nt = malloc(sizeof(struct _Dwarf_NameTbl))) == NULL) {
			ret = DW_DLE_MEMORY;
			DWARF_SET_ERROR(dbg, error, ret);
			goto fail_cleanup;
		}
		STAILQ_INIT(&nt->nt_nplist);
		STAILQ_INSERT_TAIL(&ns->ns_ntlist, nt, nt_next);

/* Read in the table header. */
		length = dbg->read(ds->ds_data, &offset, 4);
		if (length == 0xffffffff) {
			dwarf_size = 8;
			length = dbg->read(ds->ds_data, &offset, 8);
		} else
			dwarf_size = 4;

nt->nt_length = length;
		/* FIXME: verify version */
		nt->nt_version = dbg->read(ds->ds_data, &offset, 2);
		nt->nt_cu_offset = dbg->read(ds->ds_data, &offset, dwarf_size);
		nt->nt_cu_length = dbg->read(ds->ds_data, &offset, dwarf_size);

if (!dbg->dbg_info_loaded) {
			ret = _dwarf_info_load(dbg, 1, 1, error);
			if (ret != DW_DLE_NONE)
				goto fail_cleanup;
		}

/* Find the referenced CU. */
		STAILQ_FOREACH(cu, &dbg->dbg_cu, cu_next) {
			if (cu->cu_offset == nt->nt_cu_offset)
				break;
		}
		nt->nt_cu = cu;	/* FIXME: Check if NULL here */

/* Add name pairs. */
		while (offset < ds->ds_size) {
			cuoff = dbg->read(ds->ds_data, &offset, dwarf_size);
			if (cuoff == 0)
				break;
			if ((np = malloc(sizeof(struct _Dwarf_NamePair))) ==
			    NULL) {
				ret = DW_DLE_MEMORY;
				DWARF_SET_ERROR(dbg, error, ret);
				goto fail_cleanup;
			}
			np->np_nt = nt;
			np->np_offset = cuoff;
			p = (char *) ds->ds_data;
			np->np_name = &p[offset];
			while (p[offset++] != '\0')
				;
			STAILQ_INSERT_TAIL(&nt->nt_nplist, np, np_next);
			ns->ns_len++;
		}
	}

/* Build array of name pairs from all tables. */
	if (ns->ns_len > 0) {
		if ((ns->ns_array = malloc(sizeof(Dwarf_NamePair) *
		    ns->ns_len)) == NULL) {
			ret = DW_DLE_MEMORY;
			DWARF_SET_ERROR(dbg, error, ret);
			goto fail_cleanup;
		}

i = 0;
		STAILQ_FOREACH(nt, &ns->ns_ntlist, nt_next) {
			STAILQ_FOREACH(np, &nt->nt_nplist, np_next)
				ns->ns_array[i++] = np;
		}
		assert((Dwarf_Unsigned)i == ns->ns_len);
	}

*namesec = ns;

return (DW_DLE_NONE);

fail_cleanup:

_dwarf_nametbl_cleanup(&ns);

return (ret);
}

int
_dwarf_nametbl_gen(Dwarf_P_Debug dbg, const char *name, Dwarf_NameTbl nt,
    Dwarf_Error *error)
{
	Dwarf_P_Section ds;
	Dwarf_Rel_Section drs;
	Dwarf_NamePair np;
	uint64_t offset;
	int ret;

assert(dbg != NULL && name != NULL);
	if (nt == NULL || STAILQ_EMPTY(&nt->nt_nplist))
		return (DW_DLE_NONE);

nt->nt_length = 0;
	nt->nt_version = 2;
	nt->nt_cu = STAILQ_FIRST(&dbg->dbg_cu);
	assert(nt->nt_cu != NULL);
	nt->nt_cu_offset = nt->nt_cu->cu_offset;
	nt->nt_cu_length = nt->nt_cu->cu_length;

/* Create name lookup section. */
	if ((ret = _dwarf_section_init(dbg, &ds, name, 0, error)) !=
	    DW_DLE_NONE)
		goto gen_fail0;

/* Create relocation section for the name lookup section. */
	RCHECK(_dwarf_reloc_section_init(dbg, &drs, ds, error));

/* Write table header. */
	RCHECK(WRITE_VALUE(nt->nt_length, 4));
	RCHECK(WRITE_VALUE(nt->nt_version, 2));
	RCHECK(_dwarf_reloc_entry_add(dbg, drs, ds, dwarf_drt_data_reloc, 4,
	    ds->ds_size, 0, nt->nt_cu_offset, ".debug_info", error));
	RCHECK(WRITE_VALUE(nt->nt_cu_length, 4));

/* Write tuples. */
	STAILQ_FOREACH(np, &nt->nt_nplist, np_next) {
		assert(np->np_die != NULL);
		np->np_offset = np->np_die->die_offset;
		RCHECK(WRITE_VALUE(np->np_offset, 4));
		RCHECK(WRITE_STRING(np->np_name));
	}
	RCHECK(WRITE_VALUE(0, 4));

/* Fill in the length field. */
	nt->nt_length = ds->ds_size - 4;
	offset = 0;
	dbg->write(ds->ds_data, &offset, nt->nt_length, 4);

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

/* Finalize relocation section for the name lookup section. */
	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, &ds);

return (ret);
}

void
_dwarf_nametbl_pro_cleanup(Dwarf_NameTbl *ntp)
{
	Dwarf_NameTbl nt;
	Dwarf_NamePair np, tnp;

assert(ntp != NULL);
	if ((nt = *ntp) == NULL)
		return;

STAILQ_FOREACH_SAFE(np, &nt->nt_nplist, np_next, tnp) {
		STAILQ_REMOVE(&nt->nt_nplist, np, _Dwarf_NamePair, np_next);
		if (np->np_name)
			free(np->np_name);
		free(np);
	}
	free(nt);
	*ntp = NULL;
}

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Editing: libdwarf_nametbl.c

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