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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_sections.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_sections.c 3041 2014-05-18 15:11:03Z kaiwang27 $");

#define	_SECTION_INIT_SIZE	128

int
_dwarf_section_init(Dwarf_P_Debug dbg, Dwarf_P_Section *dsp, const char *name,
    int pseudo, Dwarf_Error *error)
{
	Dwarf_P_Section ds;

assert(dbg != NULL && dsp != NULL && name != NULL);

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

if ((ds->ds_name = strdup(name)) == NULL) {
		free(ds);
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

if (!pseudo) {
		ds->ds_cap = _SECTION_INIT_SIZE;
		if ((ds->ds_data = malloc((size_t) ds->ds_cap)) == NULL) {
			free(ds->ds_name);
			free(ds);
			DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
			return (DW_DLE_MEMORY);
		}
		STAILQ_INSERT_TAIL(&dbg->dbgp_seclist, ds, ds_next);
		dbg->dbgp_seccnt++;
	}

*dsp = ds;

return (DW_DLE_NONE);
}

void
_dwarf_section_free(Dwarf_P_Debug dbg, Dwarf_P_Section *dsp)
{
	Dwarf_P_Section ds, tds;

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

if (*dsp == NULL)
		return;

STAILQ_FOREACH_SAFE(ds, &dbg->dbgp_seclist, ds_next, tds) {
		if (ds == *dsp) {
			STAILQ_REMOVE(&dbg->dbgp_seclist, ds, _Dwarf_P_Section,
			    ds_next);
			dbg->dbgp_seccnt--;
			break;
		}
	}
	ds = *dsp;
	if (ds->ds_name)
		free(ds->ds_name);
	if (ds->ds_data)
		free(ds->ds_data);
	free(ds);
	*dsp = NULL;
}

int
_dwarf_pro_callback(Dwarf_P_Debug dbg, char *name, int size,
    Dwarf_Unsigned type, Dwarf_Unsigned flags, Dwarf_Unsigned link,
    Dwarf_Unsigned info, Dwarf_Unsigned *symndx, int *error)
{
	int e, ret, isymndx;

assert(dbg != NULL && name != NULL && symndx != NULL);

if (dbg->dbgp_func_b)
		ret = dbg->dbgp_func_b(name, size, type, flags, link, info,
		    symndx, &e);
	else {
		ret = dbg->dbgp_func(name, size, type, flags, link, info,
		    &isymndx, &e);
		*symndx = isymndx;
	}
	if (ret < 0) {
		if (error)
			*error = e;
	}

return (ret);
}

int
_dwarf_section_callback(Dwarf_P_Debug dbg, Dwarf_P_Section ds,
    Dwarf_Unsigned type, Dwarf_Unsigned flags, Dwarf_Unsigned link,
    Dwarf_Unsigned info, Dwarf_Error *error)
{
	int ret, ndx;

ndx = _dwarf_pro_callback(dbg, ds->ds_name, (int) ds->ds_size,
	    type, flags, link, info, &ds->ds_symndx, NULL);
	if (ndx < 0) {
		ret = DW_DLE_ELF_SECT_ERR;
		DWARF_SET_ERROR(dbg, error, ret);
		return (ret);
	}
	ds->ds_ndx = ndx;

return (DW_DLE_NONE);
}

int
_dwarf_generate_sections(Dwarf_P_Debug dbg, Dwarf_Error *error)
{
	int ret;

/* Produce .debug_info section. */
	if ((ret = _dwarf_info_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_abbrev section. */
	if ((ret = _dwarf_abbrev_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_line section. */
	if ((ret = _dwarf_lineno_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_frame section. */
	if ((ret = _dwarf_frame_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_aranges section. */
	if ((ret = _dwarf_arange_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_macinfo section. */
	if ((ret = _dwarf_macinfo_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_pubnames section. */
	if ((ret = _dwarf_nametbl_gen(dbg, ".debug_pubnames", dbg->dbgp_pubs,
	    error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_weaknames section. */
	if ((ret = _dwarf_nametbl_gen(dbg, ".debug_weaknames", dbg->dbgp_weaks,
	    error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_funcnames section. */
	if ((ret = _dwarf_nametbl_gen(dbg, ".debug_funcnames", dbg->dbgp_funcs,
	    error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_typenames section. */
	if ((ret = _dwarf_nametbl_gen(dbg, ".debug_typenames", dbg->dbgp_types,
	    error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_varnames section. */
	if ((ret = _dwarf_nametbl_gen(dbg, ".debug_varnames", dbg->dbgp_vars,
	    error)) != DW_DLE_NONE)
		return (ret);

/* Produce .debug_str section. */
	if ((ret = _dwarf_strtab_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Finally, update and generate all relocation sections. */
	if ((ret = _dwarf_reloc_gen(dbg, error)) != DW_DLE_NONE)
		return (ret);

/* Set section/relocation iterator to the first element. */
	dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist);
	dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist);
	
	return (DW_DLE_NONE);
}

Dwarf_Section *
_dwarf_find_section(Dwarf_Debug dbg, const char *name)
{
	Dwarf_Section *ds;
	Dwarf_Half i;

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

for (i = 0; i < dbg->dbg_seccnt; i++) {
		ds = &dbg->dbg_section[i];
		if (ds->ds_name != NULL && !strcmp(ds->ds_name, name))
			return (ds);
	}

return (NULL);
}

Dwarf_Section *
_dwarf_find_next_types_section(Dwarf_Debug dbg, Dwarf_Section *ds)
{

assert(dbg != NULL);

if (ds == NULL)
		return (_dwarf_find_section(dbg, ".debug_types"));

assert(ds->ds_name != NULL);

do {
		ds++;
		if (ds->ds_name != NULL &&
		    !strcmp(ds->ds_name, ".debug_types"))
			return (ds);
	} while (ds->ds_name != NULL);

return (NULL);
}

Dwarf_P_Section
_dwarf_pro_find_section(Dwarf_P_Debug dbg, const char *name)
{
	Dwarf_P_Section ds;

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

STAILQ_FOREACH(ds, &dbg->dbgp_seclist, ds_next) {
		if (ds->ds_name != NULL && !strcmp(ds->ds_name ,name))
			return (ds);
	}

return (NULL);
}

void
_dwarf_section_cleanup(Dwarf_P_Debug dbg)
{
	Dwarf_P_Section ds, tds;

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

STAILQ_FOREACH_SAFE(ds, &dbg->dbgp_seclist, ds_next, tds) {
		STAILQ_REMOVE(&dbg->dbgp_seclist, ds, _Dwarf_P_Section,
		    ds_next);
		if (ds->ds_name)
			free(ds->ds_name);
		if (ds->ds_data)
			free(ds->ds_data);
		free(ds);
	}
	dbg->dbgp_seccnt = 0;
	dbg->dbgp_secpos = 0;
}

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Editing: libdwarf_sections.c

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