File Manager

003 File Manager

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_abbrev.c

/*-
 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
 * Copyright (c) 2009-2011 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_abbrev.c 3420 2016-02-27 02:14:05Z emaste $");

int
_dwarf_abbrev_add(Dwarf_CU cu, uint64_t entry, uint64_t tag, uint8_t children,
    uint64_t aboff, Dwarf_Abbrev *abp, Dwarf_Error *error)
{
	Dwarf_Abbrev ab;
	Dwarf_Debug dbg;

dbg = cu != NULL ? cu->cu_dbg : NULL;

if ((ab = malloc(sizeof(struct _Dwarf_Abbrev))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

/* Initialise the abbrev structure. */
	ab->ab_entry	= entry;
	ab->ab_tag	= tag;
	ab->ab_children	= children;
	ab->ab_offset	= aboff;
	ab->ab_length	= 0;	/* fill in later. */
	ab->ab_atnum	= 0;	/* fill in later. */

/* Initialise the list of attribute definitions. */
	STAILQ_INIT(&ab->ab_attrdef);

/* Add the abbrev to the hash table of the compilation unit. */
	if (cu != NULL)
		HASH_ADD(ab_hh, cu->cu_abbrev_hash, ab_entry,
		    sizeof(ab->ab_entry), ab);

*abp = ab;
	return (DW_DLE_NONE);
}

int
_dwarf_attrdef_add(Dwarf_Debug dbg, Dwarf_Abbrev ab, uint64_t attr,
    uint64_t form, uint64_t adoff, Dwarf_AttrDef *adp, Dwarf_Error *error)
{
	Dwarf_AttrDef ad;

if (ab == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
		return (DW_DLE_ARGUMENT);
	}

if ((ad = malloc(sizeof(struct _Dwarf_AttrDef))) == NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

/* Initialise the attribute definition structure. */
	ad->ad_attrib	= attr;
	ad->ad_form	= form;
	ad->ad_offset	= adoff;

/* Add the attribute definition to the list in the abbrev. */
	STAILQ_INSERT_TAIL(&ab->ab_attrdef, ad, ad_next);

/* Increase number of attribute counter. */
	ab->ab_atnum++;

if (adp != NULL)
		*adp = ad;

return (DW_DLE_NONE);
}

int
_dwarf_abbrev_parse(Dwarf_Debug dbg, Dwarf_CU cu, Dwarf_Unsigned *offset,
    Dwarf_Abbrev *abp, Dwarf_Error *error)
{
	Dwarf_Section *ds;
	uint64_t attr;
	uint64_t entry;
	uint64_t form;
	uint64_t aboff;
	uint64_t adoff;
	uint64_t tag;
	uint8_t children;
	int ret;

assert(abp != NULL);

ds = _dwarf_find_section(dbg, ".debug_abbrev");
	if (ds == NULL || *offset >= ds->ds_size)
		return (DW_DLE_NO_ENTRY);

aboff = *offset;

entry = _dwarf_read_uleb128(ds->ds_data, offset);
	if (entry == 0) {
		/* Last entry. */
		ret = _dwarf_abbrev_add(cu, entry, 0, 0, aboff, abp,
		    error);
		if (ret == DW_DLE_NONE) {
			(*abp)->ab_length = 1;
			return (ret);
		} else
			return (ret);
	}
	tag = _dwarf_read_uleb128(ds->ds_data, offset);
	children = dbg->read(ds->ds_data, offset, 1);
	if ((ret = _dwarf_abbrev_add(cu, entry, tag, children, aboff,
	    abp, error)) != DW_DLE_NONE)
		return (ret);

/* Parse attribute definitions. */
	do {
		adoff = *offset;
		attr = _dwarf_read_uleb128(ds->ds_data, offset);
		form = _dwarf_read_uleb128(ds->ds_data, offset);
		if (attr != 0)
			if ((ret = _dwarf_attrdef_add(dbg, *abp, attr,
			    form, adoff, NULL, error)) != DW_DLE_NONE)
				return (ret);
	} while (attr != 0);

(*abp)->ab_length = *offset - aboff;

return (ret);
}

int
_dwarf_abbrev_find(Dwarf_CU cu, uint64_t entry, Dwarf_Abbrev *abp,
    Dwarf_Error *error)
{
	Dwarf_Abbrev ab;
	Dwarf_Section *ds;
	Dwarf_Unsigned offset;
	int ret;

if (entry == 0)
		return (DW_DLE_NO_ENTRY);

/* Check if the desired abbrev entry is already in the hash table. */
	HASH_FIND(ab_hh, cu->cu_abbrev_hash, &entry, sizeof(entry), ab);
	if (ab != NULL) {
		*abp = ab;
		return (DW_DLE_NONE);
	}

if (cu->cu_abbrev_loaded) {
		return (DW_DLE_NO_ENTRY);
	}

/* Load and search the abbrev table. */
	ds = _dwarf_find_section(cu->cu_dbg, ".debug_abbrev");
	if (ds == NULL)
		return (DW_DLE_NO_ENTRY);

offset = cu->cu_abbrev_offset_cur;
	while (offset < ds->ds_size) {
		ret = _dwarf_abbrev_parse(cu->cu_dbg, cu, &offset, &ab, error);
		if (ret != DW_DLE_NONE)
			return (ret);
		if (ab->ab_entry == entry) {
			cu->cu_abbrev_offset_cur = offset;
			*abp = ab;
			return (DW_DLE_NONE);
		}
		if (ab->ab_entry == 0) {
			cu->cu_abbrev_offset_cur = offset;
			cu->cu_abbrev_loaded = 1;
			break;
		}
	}

return (DW_DLE_NO_ENTRY);
}

void
_dwarf_abbrev_cleanup(Dwarf_CU cu)
{
	Dwarf_Abbrev ab, tab;
	Dwarf_AttrDef ad, tad;

assert(cu != NULL);

HASH_ITER(ab_hh, cu->cu_abbrev_hash, ab, tab) {
		HASH_DELETE(ab_hh, cu->cu_abbrev_hash, ab);
		STAILQ_FOREACH_SAFE(ad, &ab->ab_attrdef, ad_next, tad) {
			STAILQ_REMOVE(&ab->ab_attrdef, ad, _Dwarf_AttrDef,
			    ad_next);
			free(ad);
		}
		free(ab);
	}
}

int
_dwarf_abbrev_gen(Dwarf_P_Debug dbg, Dwarf_Error *error)
{
	Dwarf_CU cu;
	Dwarf_Abbrev ab;
	Dwarf_AttrDef ad;
	Dwarf_P_Section ds;
	int ret;

cu = STAILQ_FIRST(&dbg->dbg_cu);
	if (cu == NULL)
		return (DW_DLE_NONE);

/* Create .debug_abbrev section. */
	if ((ret = _dwarf_section_init(dbg, &ds, ".debug_abbrev", 0, error)) !=
	    DW_DLE_NONE)
		return (ret);

for (ab = cu->cu_abbrev_hash; ab != NULL; ab = ab->ab_hh.next) {
		RCHECK(WRITE_ULEB128(ab->ab_entry));
		RCHECK(WRITE_ULEB128(ab->ab_tag));
		RCHECK(WRITE_VALUE(ab->ab_children, 1));
		STAILQ_FOREACH(ad, &ab->ab_attrdef, ad_next) {
			RCHECK(WRITE_ULEB128(ad->ad_attrib));
			RCHECK(WRITE_ULEB128(ad->ad_form));
		}
		/* Signal end of attribute spec list. */
		RCHECK(WRITE_ULEB128(0));
		RCHECK(WRITE_ULEB128(0));
	}
	/* End of abbreviation for this CU. */
	RCHECK(WRITE_ULEB128(0));

/* Notify the creation of .debug_abbrev ELF section. */
	RCHECK(_dwarf_section_callback(dbg, ds, SHT_PROGBITS, 0, 0, 0, error));

return (DW_DLE_NONE);

gen_fail:

_dwarf_section_free(dbg, &ds);

return (ret);
}

003 File Manager

Editing: libdwarf_abbrev.c

Upload File

Create Folder