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https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
Read .debug_info
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse
parent
0cb0835581
commit
139f0bb44f
1 changed files with 667 additions and 8 deletions
675
addr2line.c
675
addr2line.c
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@ -520,6 +520,630 @@ fail:
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}
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#endif
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void hexdump0(const unsigned char *p, size_t n) {
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size_t i;
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for (i=0; i < n; i++){
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if ((i & 15) != 15) {
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fprintf(stderr, "%02X ", p[i]);
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} else {
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fprintf(stderr, "%02X\n", p[i]);
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}
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}
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if ((i & 15) != 15) {
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fprintf(stderr, "\n");
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}
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}
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#define hexdump(p,n) hexdump0((const unsigned char *)p, n)
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/* Attributes encodings */
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enum
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{
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DW_AT_sibling = 0x01,
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DW_AT_location = 0x02,
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DW_AT_name = 0x03,
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/* Reserved 0x04 */
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/* Reserved 0x05 */
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/* Reserved 0x06 */
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/* Reserved 0x07 */
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/* Reserved 0x08 */
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DW_AT_ordering = 0x09,
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/* Reserved 0x0a */
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DW_AT_byte_size = 0x0b,
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/* Reserved 0x0c */
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DW_AT_bit_size = 0x0d,
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/* Reserved 0x0e */
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/* Reserved 0x0f */
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DW_AT_stmt_list = 0x10,
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DW_AT_low_pc = 0x11,
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DW_AT_high_pc = 0x12,
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DW_AT_language = 0x13,
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/* Reserved 0x14 */
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DW_AT_discr = 0x15,
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DW_AT_discr_value = 0x16,
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DW_AT_visibility = 0x17,
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DW_AT_import = 0x18,
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DW_AT_string_length = 0x19,
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DW_AT_common_reference = 0x1a,
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DW_AT_comp_dir = 0x1b,
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DW_AT_const_value = 0x1c,
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DW_AT_containing_type = 0x1d,
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DW_AT_default_value = 0x1e,
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/* Reserved 0x1f */
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DW_AT_inline = 0x20,
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DW_AT_is_optional = 0x21,
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DW_AT_lower_bound = 0x22,
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/* Reserved 0x23 */
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/* Reserved 0x24 */
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DW_AT_producer = 0x25,
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/* Reserved 0x26 */
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DW_AT_prototyped = 0x27,
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/* Reserved 0x28 */
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/* Reserved 0x29 */
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DW_AT_return_addr = 0x2a,
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/* Reserved 0x2b */
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DW_AT_start_scope = 0x2c,
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/* Reserved 0x2d */
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DW_AT_bit_stride = 0x2e,
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DW_AT_upper_bound = 0x2f,
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/* Reserved 0x30 */
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DW_AT_abstract_origin = 0x31,
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DW_AT_accessibility = 0x32,
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DW_AT_address_class = 0x33,
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DW_AT_artificial = 0x34,
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DW_AT_base_types = 0x35,
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DW_AT_calling_convention = 0x36,
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DW_AT_count = 0x37,
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DW_AT_data_member_location = 0x38,
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DW_AT_decl_column = 0x39,
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DW_AT_decl_file = 0x3a,
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DW_AT_decl_line = 0x3b,
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DW_AT_declaration = 0x3c,
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DW_AT_discr_list = 0x3d,
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DW_AT_encoding = 0x3e,
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DW_AT_external = 0x3f,
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DW_AT_frame_base = 0x40,
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DW_AT_friend = 0x41,
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DW_AT_identifier_case = 0x42,
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/* Reserved 0x43 */
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DW_AT_namelist_item = 0x44,
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DW_AT_priority = 0x45,
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DW_AT_segment = 0x46,
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DW_AT_specification = 0x47,
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DW_AT_static_link = 0x48,
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DW_AT_type = 0x49,
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DW_AT_use_location = 0x4a,
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DW_AT_variable_parameter = 0x4b,
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DW_AT_virtuality = 0x4c,
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DW_AT_vtable_elem_location = 0x4d,
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DW_AT_allocated = 0x4e,
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DW_AT_associated = 0x4f,
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DW_AT_data_location = 0x50,
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DW_AT_byte_stride = 0x51,
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DW_AT_entry_pc = 0x52,
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DW_AT_use_UTF8 = 0x53,
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DW_AT_extension = 0x54,
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DW_AT_ranges = 0x55,
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DW_AT_trampoline = 0x56,
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DW_AT_call_column = 0x57,
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DW_AT_call_file = 0x58,
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DW_AT_call_line = 0x59,
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DW_AT_description = 0x5a,
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DW_AT_binary_scale = 0x5b,
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DW_AT_decimal_scale = 0x5c,
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DW_AT_small = 0x5d,
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DW_AT_decimal_sign = 0x5e,
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DW_AT_digit_count = 0x5f,
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DW_AT_picture_string = 0x60,
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DW_AT_mutable = 0x61,
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DW_AT_threads_scaled = 0x62,
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DW_AT_explicit = 0x63,
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DW_AT_object_pointer = 0x64,
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DW_AT_endianity = 0x65,
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DW_AT_elemental = 0x66,
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DW_AT_pure = 0x67,
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DW_AT_recursive = 0x68,
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DW_AT_signature = 0x69,
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DW_AT_main_subprogram = 0x6a,
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DW_AT_data_bit_offset = 0x6b,
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DW_AT_const_expr = 0x6c,
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DW_AT_enum_class = 0x6d,
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DW_AT_linkage_name = 0x6e,
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DW_AT_string_length_bit_size = 0x6f,
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DW_AT_string_length_byte_size = 0x70,
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DW_AT_rank = 0x71,
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DW_AT_str_offsets_base = 0x72,
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DW_AT_addr_base = 0x73,
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DW_AT_rnglists_base = 0x74,
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/* Reserved 0x75 */
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DW_AT_dwo_name = 0x76,
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DW_AT_reference = 0x77,
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DW_AT_rvalue_reference = 0x78,
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DW_AT_macros = 0x79,
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DW_AT_call_all_calls = 0x7a,
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DW_AT_call_all_source_calls = 0x7b,
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DW_AT_call_all_tail_calls = 0x7c,
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DW_AT_call_return_pc = 0x7d,
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DW_AT_call_value = 0x7e,
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DW_AT_call_origin = 0x7f,
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DW_AT_call_parameter = 0x80,
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DW_AT_call_pc = 0x81,
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DW_AT_call_tail_call = 0x82,
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DW_AT_call_target = 0x83,
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DW_AT_call_target_clobbered = 0x84,
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DW_AT_call_data_location = 0x85,
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DW_AT_call_data_value = 0x86,
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DW_AT_noreturn = 0x87,
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DW_AT_alignment = 0x88,
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DW_AT_export_symbols = 0x89,
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DW_AT_deleted = 0x8a,
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DW_AT_defaulted = 0x8b,
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DW_AT_loclists_base = 0x8c,
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DW_AT_lo_user = 0x2000,
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DW_AT_hi_user = 0x3fff
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};
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/* Attribute form encodings */
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enum
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{
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DW_FORM_addr = 0x01,
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/* Reserved 0x02 */
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DW_FORM_block2 = 0x03,
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DW_FORM_block4 = 0x04,
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DW_FORM_data2 = 0x05,
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DW_FORM_data4 = 0x06,
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DW_FORM_data8 = 0x07,
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DW_FORM_string = 0x08,
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DW_FORM_block = 0x09,
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DW_FORM_block1 = 0x0a,
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DW_FORM_data1 = 0x0b,
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DW_FORM_flag = 0x0c,
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DW_FORM_sdata = 0x0d,
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DW_FORM_strp = 0x0e,
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DW_FORM_udata = 0x0f,
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DW_FORM_ref_addr = 0x10,
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DW_FORM_ref1 = 0x11,
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DW_FORM_ref2 = 0x12,
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DW_FORM_ref4 = 0x13,
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DW_FORM_ref8 = 0x14,
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DW_FORM_ref_udata = 0x15,
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DW_FORM_indirect = 0x16,
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DW_FORM_sec_offset = 0x17,
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DW_FORM_exprloc = 0x18,
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DW_FORM_flag_present = 0x19,
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DW_FORM_strx = 0x1a,
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DW_FORM_addrx = 0x1b,
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DW_FORM_ref_sup4 = 0x1c,
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DW_FORM_strp_sup = 0x1d,
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DW_FORM_data16 = 0x1e,
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DW_FORM_line_strp = 0x1f,
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DW_FORM_ref_sig8 = 0x20,
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DW_FORM_implicit_const = 0x21,
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DW_FORM_loclistx = 0x22,
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DW_FORM_rnglistx = 0x23,
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DW_FORM_ref_sup8 = 0x24,
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DW_FORM_strx1 = 0x25,
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DW_FORM_strx2 = 0x26,
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DW_FORM_strx3 = 0x27,
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DW_FORM_strx4 = 0x28,
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DW_FORM_addrx1 = 0x29,
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DW_FORM_addrx2 = 0x2a,
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DW_FORM_addrx3 = 0x2b,
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DW_FORM_addrx4 = 0x2c
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};
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typedef struct {
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uint32_t unit_length;
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uint16_t version;
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uint32_t debug_abbrev_offset;
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uint8_t address_size;
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} __attribute__((packed)) DW_CompilationUnitHeader32;
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typedef struct {
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uint32_t initial_length; /* 0xffffffff */
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uint64_t unit_length;
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uint16_t version;
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uint64_t debug_abbrev_offset;
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uint8_t address_size;
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} __attribute__((packed)) DW_CompilationUnitHeader64;
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typedef struct {
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char *file;
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ElfW(Shdr) *info;
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char *p0;
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char *p;
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char *pend;
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ElfW(Shdr) *abbrev;
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char *q0;
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char *q;
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ElfW(Shdr) *str;
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int format; /* 32 or 64 */;
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uint8_t address_size;
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int level;
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} DebugInfoReader;
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typedef struct {
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union {
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char *ptr;
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uint64_t uint64;
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} as;
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size_t size;
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int type;
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} DebugInfoValue;
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/* TODO: Big Endian */
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#define MERGE_2INTS(a,b,sz) (((uint64_t)(b)<<sz)|(a))
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static uint16_t
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get_uint16(const uint8_t *p)
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{
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return MERGE_2INTS(p[0],p[1],8);
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}
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static uint32_t
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get_uint32(const uint8_t *p)
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{
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return MERGE_2INTS(get_uint16(p),get_uint16(p+2),16);
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}
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static uint64_t
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get_uint64(const uint8_t *p)
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{
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return MERGE_2INTS(get_uint32(p),get_uint32(p+4),32);
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}
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static uint8_t
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read_uint8(char **ptr) {
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const unsigned char *p = (const unsigned char *)*ptr;
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*ptr = (char *)(p + 1);
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return *p;
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}
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static uint16_t
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read_uint16(char **ptr) {
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const unsigned char *p = (const unsigned char *)*ptr;
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*ptr = (char *)(p + 2);
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return get_uint16(p);
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}
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static uint32_t
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read_uint32(char **ptr) {
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const unsigned char *p = (const unsigned char *)*ptr;
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*ptr = (char *)(p + 4);
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return get_uint32(p);
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}
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static uint64_t
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read_uint64(char **ptr) {
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const unsigned char *p = (const unsigned char *)*ptr;
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*ptr = (char *)(p + 8);
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return get_uint64(p);
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}
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uint64_t
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read_uint(DebugInfoReader *reader) {
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uint64_t v;
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if (reader->format == 32) {
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v = read_uint32(&reader->p);
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} else { /* 64 bit */
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v = read_uint64(&reader->p);
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}
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return v;
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}
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uint64_t
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read_uleb128(DebugInfoReader *reader)
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{
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return uleb128(&reader->p);
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}
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int64_t
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read_sleb128(DebugInfoReader *reader)
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{
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return sleb128(&reader->p);
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}
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static DebugInfoReader *
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debug_info_reader_new(char *file, ElfW(Shdr) *debug_info_shdr, ElfW(Shdr) *debug_abbrev_shdr, ElfW(Shdr) *debug_str_shdr)
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{
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DebugInfoReader *p = malloc(sizeof(DebugInfoReader));
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p->file = file;
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p->info = debug_info_shdr;
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p->abbrev = debug_abbrev_shdr;
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p->str = debug_str_shdr;
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p->p0 = p->p = p->file + debug_info_shdr->sh_offset;
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p->pend = p->file + debug_info_shdr->sh_offset + debug_info_shdr->sh_size;
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return p;
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}
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static void
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debug_info_reader_read_cu(DebugInfoReader *reader)
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{
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DW_CompilationUnitHeader32 *hdr32 = (DW_CompilationUnitHeader32 *)reader->p;
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if (hdr32->unit_length == 0xffffffff) {
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DW_CompilationUnitHeader64 *hdr = (DW_CompilationUnitHeader64 *)hdr32;
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reader->p += 23;
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reader->q0 = reader->file + reader->abbrev->sh_offset + hdr->debug_abbrev_offset;
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reader->address_size = hdr->address_size;
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reader->format = 64;
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} else {
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DW_CompilationUnitHeader32 *hdr = hdr32;
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reader->p += 11;
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reader->q0 = reader->file + reader->abbrev->sh_offset + hdr->debug_abbrev_offset;
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reader->address_size = hdr->address_size;
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reader->format = 32;
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}
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}
|
||||
|
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static void
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set_uint_value(DebugInfoValue *v, uint64_t n)
|
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{
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v->as.uint64 = n;
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v->type = 1;
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}
|
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static void
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set_sint_value(DebugInfoValue *v, int64_t n)
|
||||
{
|
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v->as.uint64 = (uint64_t)n;
|
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v->type = 2;
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}
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static void
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set_cstr_value(DebugInfoValue *v, char *s)
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{
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v->as.ptr = s;
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v->type = 3;
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}
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static void
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set_bytes_value(DebugInfoValue *v, char *s)
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{
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v->as.ptr = s;
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v->type = 4;
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}
|
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|
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static void
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debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoValue *v)
|
||||
{
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switch (form) {
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case DW_FORM_addr:
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fprintf(stderr, "%d: %d\n", __LINE__, reader->address_size);
|
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if (reader->address_size == 4) {
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set_uint_value(v, read_uint32(&reader->p));
|
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} else if (reader->address_size == 8) {
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||||
set_uint_value(v, read_uint64(&reader->p));
|
||||
} else {
|
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fprintf(stderr,"unknown address_size:%d", reader->address_size);
|
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abort();
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||||
}
|
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break;
|
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case DW_FORM_block2:
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||||
v->size = read_uint16(&reader->p);
|
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set_bytes_value(v, reader->p);
|
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reader->p += v->size;
|
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break;
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case DW_FORM_block4:
|
||||
v->size = read_uint32(&reader->p);
|
||||
set_bytes_value(v, reader->p);
|
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reader->p += v->size;
|
||||
break;
|
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case DW_FORM_data2:
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||||
set_uint_value(v, read_uint16(&reader->p));
|
||||
break;
|
||||
case DW_FORM_data4:
|
||||
set_uint_value(v, read_uint32(&reader->p));
|
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break;
|
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case DW_FORM_data8:
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set_uint_value(v, read_uint64(&reader->p));
|
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break;
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case DW_FORM_string:
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||||
v->size = strlen(reader->p);
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set_cstr_value(v, reader->p);
|
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reader->p += v->size + 1;
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break;
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case DW_FORM_block:
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v->size = uleb128(&reader->p);
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||||
set_bytes_value(v, reader->p);
|
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reader->p += v->size;
|
||||
break;
|
||||
case DW_FORM_block1:
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||||
v->size = read_uint8(&reader->p);
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||||
set_bytes_value(v, reader->p);
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reader->p += v->size;
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||||
break;
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||||
case DW_FORM_data1:
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||||
set_uint_value(v, read_uint8(&reader->p));
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break;
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case DW_FORM_flag:
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||||
set_uint_value(v, read_uint8(&reader->p));
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||||
break;
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case DW_FORM_sdata:
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||||
set_sint_value(v, read_sleb128(reader));
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||||
break;
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||||
case DW_FORM_strp:
|
||||
set_cstr_value(v, reader->file + reader->str->sh_offset + read_uint(reader));
|
||||
break;
|
||||
case DW_FORM_udata:
|
||||
set_uint_value(v, read_uleb128(reader));
|
||||
break;
|
||||
case DW_FORM_ref_addr:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_ref1:
|
||||
set_uint_value(v, read_uint8(&reader->p));
|
||||
break;
|
||||
case DW_FORM_ref2:
|
||||
set_uint_value(v, read_uint16(&reader->p));
|
||||
break;
|
||||
case DW_FORM_ref4:
|
||||
set_uint_value(v, read_uint32(&reader->p));
|
||||
break;
|
||||
case DW_FORM_ref8:
|
||||
set_uint_value(v, read_uint64(&reader->p));
|
||||
break;
|
||||
case DW_FORM_ref_udata:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_indirect:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_sec_offset:
|
||||
set_uint_value(v, read_uint(reader)); /* offset */
|
||||
/* addrptr: debug_addr */
|
||||
/* lineptr: debug_line */
|
||||
/* loclist: debug_loclists */
|
||||
/* loclistptr: debug_loclists */
|
||||
/* macptr: debug_macro */
|
||||
/* rnglist: debug_rnglists */
|
||||
/* rnglistptr: debug_rnglists */
|
||||
/* stroffsetsptr: debug_str_offsets */
|
||||
break;
|
||||
case DW_FORM_exprloc:
|
||||
v->size = read_uleb128(reader);
|
||||
set_bytes_value(v, reader->p);
|
||||
hexdump(reader->p, v->size);
|
||||
reader->p += v->size;
|
||||
break;
|
||||
case DW_FORM_flag_present:
|
||||
set_uint_value(v, 1);
|
||||
break;
|
||||
case DW_FORM_strx:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_addrx:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_ref_sup4:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_strp_sup:
|
||||
set_uint_value(v, read_uint(reader));
|
||||
//*p = reader->sup_file + reader->sup_str->sh_offset + ret;
|
||||
break;
|
||||
case DW_FORM_data16:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_line_strp:
|
||||
set_uint_value(v, read_uint(reader));
|
||||
//*p = reader->file + reader->line->sh_offset + ret;
|
||||
break;
|
||||
case DW_FORM_ref_sig8:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_implicit_const:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_loclistx:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_rnglistx:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_ref_sup8:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_strx1:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_strx2:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_strx3:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_strx4:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_addrx1:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_addrx2:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_addrx3:
|
||||
goto fail;
|
||||
break;
|
||||
case DW_FORM_addrx4:
|
||||
goto fail;
|
||||
break;
|
||||
case 0:
|
||||
goto fail;
|
||||
break;
|
||||
}
|
||||
return;
|
||||
|
||||
fail:
|
||||
fprintf(stderr, "%d: unsupported form: %#lx\n", __LINE__, form);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void
|
||||
debug_info_read(DebugInfoReader *reader) {
|
||||
reader->level = 0;
|
||||
for (;;) {
|
||||
uint64_t abbrev_number = uleb128(&reader->p);
|
||||
char has_children;
|
||||
fprintf(stderr,"\n\n%d: <%d> Abbrev Number: %lu\n",__LINE__,reader->level,abbrev_number);
|
||||
if (abbrev_number == 0) {
|
||||
if (reader->level == 1) {
|
||||
return;
|
||||
}
|
||||
reader->level--;
|
||||
continue;
|
||||
}
|
||||
|
||||
reader->q = reader->q0;
|
||||
|
||||
/* find abbrev */
|
||||
for (uint64_t n = uleb128(&reader->q); abbrev_number != n; n = uleb128(&reader->q)) {
|
||||
if (n == 0) {
|
||||
fprintf(stderr,"%d: Abbrev Number not found\n",__LINE__);
|
||||
abort();
|
||||
}
|
||||
/* fprintf(stderr,"%d: %lu != %lu\n",__LINE__, abbrev_number, n); */
|
||||
uleb128(&reader->q); /* tag */
|
||||
reader->q++; /* children */
|
||||
/* skip content */
|
||||
for (;;) {
|
||||
uint64_t at = uleb128(&reader->q);
|
||||
uint64_t form = uleb128(&reader->q);
|
||||
if (!at && !form) break;
|
||||
}
|
||||
}
|
||||
|
||||
uleb128(&reader->q); /* tag */
|
||||
has_children = *reader->q++; /* has_children */
|
||||
if (has_children) {
|
||||
reader->level++;
|
||||
}
|
||||
|
||||
/* enumerate abbrev */
|
||||
for (;;) {
|
||||
uint64_t at = uleb128(&reader->q);
|
||||
uint64_t form = uleb128(&reader->q);
|
||||
DebugInfoValue v = {0};
|
||||
fprintf(stderr,"\n%d:%lx: AT:%lx FORM:%lx\n",__LINE__,reader->p-reader->p0,at,form);
|
||||
if (!at && !form) break;
|
||||
debug_info_reader_read_value(reader, form, &v);
|
||||
switch (v.type) {
|
||||
case 1:
|
||||
fprintf(stderr,"%d: type:%d size:%zx v:%lx\n",__LINE__,v.type,v.size,v.as.uint64);
|
||||
break;
|
||||
case 2:
|
||||
fprintf(stderr,"%d: type:%d size:%zx v:%ld\n",__LINE__,v.type,v.size,(int64_t)v.as.uint64);
|
||||
break;
|
||||
case 3:
|
||||
fprintf(stderr,"%d: type:%d size:%zx v:'%s'\n",__LINE__,v.type,v.size,v.as.ptr);
|
||||
break;
|
||||
case 4:
|
||||
fprintf(stderr,"%d: type:%d size:%zx v:\n",__LINE__,v.type,v.size);
|
||||
hexdump(v.as.ptr, 16);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* read file and fill lines */
|
||||
static uintptr_t
|
||||
fill_lines(int num_traces, void **traces, int check_debuglink,
|
||||
|
|
@ -531,9 +1155,11 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
|
|||
ElfW(Ehdr) *ehdr;
|
||||
ElfW(Shdr) *shdr, *shstr_shdr;
|
||||
ElfW(Shdr) *debug_line_shdr = NULL, *gnu_debuglink_shdr = NULL;
|
||||
ElfW(Shdr) *debug_info_shdr = NULL, *debug_abbrev_shdr = NULL;
|
||||
ElfW(Shdr) *debug_str_shdr = NULL;
|
||||
int fd;
|
||||
off_t filesize = 0;
|
||||
char *file = NULL;
|
||||
off_t filesize;
|
||||
char *file;
|
||||
ElfW(Shdr) *symtab_shdr = NULL, *strtab_shdr = NULL;
|
||||
ElfW(Shdr) *dynsym_shdr = NULL, *dynstr_shdr = NULL;
|
||||
obj_info_t *obj = *objp;
|
||||
|
|
@ -614,10 +1240,47 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
|
|||
else if (!strcmp(section_name, ".gnu_debuglink")) {
|
||||
gnu_debuglink_shdr = shdr + i;
|
||||
}
|
||||
else if (!strcmp(section_name, ".debug_info")) {
|
||||
debug_info_shdr = shdr + i;
|
||||
}
|
||||
else if (!strcmp(section_name, ".debug_abbrev")) {
|
||||
debug_abbrev_shdr = shdr + i;
|
||||
}
|
||||
else if (!strcmp(section_name, ".debug_str")) {
|
||||
debug_str_shdr = shdr + i;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (debug_info_shdr) {
|
||||
unsigned char *info = (unsigned char *)(file + debug_info_shdr->sh_offset);
|
||||
size_t info_count = debug_info_shdr->sh_size;
|
||||
fprintf(stderr, "size: %zd\n", info_count);
|
||||
hexdump(info, 11);
|
||||
info += 11;
|
||||
hexdump(info, 11);
|
||||
info += 11;
|
||||
hexdump(info, 32);
|
||||
}
|
||||
if (debug_abbrev_shdr) {
|
||||
unsigned char *abbrev = (unsigned char *)(file + debug_abbrev_shdr->sh_offset);
|
||||
size_t abbrev_count = debug_abbrev_shdr->sh_size;
|
||||
fprintf(stderr, "size: %zd\n", abbrev_count);
|
||||
hexdump(abbrev, 128);
|
||||
}
|
||||
{
|
||||
int i = 0;
|
||||
DebugInfoReader *reader = debug_info_reader_new(file, debug_info_shdr, debug_abbrev_shdr, debug_str_shdr);
|
||||
|
||||
while (reader->p < reader->pend) {
|
||||
fprintf(stderr, "CU[%d]\n", i++);
|
||||
debug_info_reader_read_cu(reader);
|
||||
debug_info_read(reader);
|
||||
}
|
||||
}
|
||||
exit(0);
|
||||
|
||||
if (offset == -1) {
|
||||
/* main executable */
|
||||
offset = 0;
|
||||
|
|
@ -633,12 +1296,11 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
|
|||
h = dlopen(NULL, RTLD_NOW|RTLD_LOCAL);
|
||||
if (!h) continue;
|
||||
s = dlsym(h, strtab + sym->st_name);
|
||||
if (s && dladdr(s, &info)) {
|
||||
if (!s) continue;
|
||||
if (dladdr(s, &info)) {
|
||||
dladdr_fbase = (uintptr_t)info.dli_fbase;
|
||||
dlclose(h);
|
||||
break;
|
||||
}
|
||||
dlclose(h);
|
||||
}
|
||||
if (ehdr->e_type == ET_EXEC) {
|
||||
obj->base_addr = 0;
|
||||
|
|
@ -706,9 +1368,6 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
|
|||
finish:
|
||||
return dladdr_fbase;
|
||||
fail:
|
||||
if (file != NULL) {
|
||||
munmap(file, (size_t)filesize);
|
||||
}
|
||||
return (uintptr_t)-1;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue