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elfcpp/ 

Update DWARF enums from ../include/dwarf2.h.
	* dwarf.h (enum DW_TAG): Add new DWARF-4 tags.
	(enum DW_FORM): Add new DWARF-4 and Fission extensions.
	(enum DW_AT): New enum.
	(enum DW_LINE_EXTENDED_OPS): Add new DWARF-4 opcode.
	(enum DW_ENCODING): Add new DWARF-4 encoding.
	(enum DW_OP): Add new DWARF-4 opcodes.
	(enum DW_CHILDREN): New enum.
	(enum DW_LANG): New enum.

gold/

	* reduced_debug_output.cc
	(Output_reduced_debug_info_section::get_die_end): Add new FORM
	codes to switch.
cygwin-64bit-branch
Cary Coutant 14 years ago
parent
799f5b9672
commit
feb5f3b016
4 changed files with 308 additions and 2 deletions
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  1. 12
      elfcpp/ChangeLog
  2. 280
      elfcpp/dwarf.h
  3. 6
      gold/ChangeLog
  4. 12
      gold/reduced_debug_output.cc

12
elfcpp/ChangeLog
View File

@ -1,3 +1,15 @@
2012-03-12 Cary Coutant <ccoutant@google.com>
Update DWARF enums from ../include/dwarf2.h.
* dwarf.h (enum DW_TAG): Add new DWARF-4 tags.
(enum DW_FORM): Add new DWARF-4 and Fission extensions.
(enum DW_AT): New enum.
(enum DW_LINE_EXTENDED_OPS): Add new DWARF-4 opcode.
(enum DW_ENCODING): Add new DWARF-4 encoding.
(enum DW_OP): Add new DWARF-4 opcodes.
(enum DW_CHILDREN): New enum.
(enum DW_LANG): New enum.
2012-01-27 Aleksandar Simeonov <asimeonov@mips.com>
* mips.h: New file

280
elfcpp/dwarf.h
View File

@ -100,6 +100,11 @@ enum DW_TAG
DW_TAG_condition = 0x3f,
DW_TAG_shared_type = 0x40,
// DWARF4.
DW_TAG_type_unit = 0x41,
DW_TAG_rvalue_reference_type = 0x42,
DW_TAG_template_alias = 0x43,
// SGI/MIPS extensions.
DW_TAG_MIPS_loop = 0x4081,
@ -147,7 +152,226 @@ enum DW_FORM
DW_FORM_ref4 = 0x13,
DW_FORM_ref8 = 0x14,
DW_FORM_ref_udata = 0x15,
DW_FORM_indirect = 0x16
DW_FORM_indirect = 0x16,
// DWARF4.
DW_FORM_sec_offset = 0x17,
DW_FORM_exprloc = 0x18,
DW_FORM_flag_present = 0x19,
DW_FORM_ref_sig8 = 0x20,
// Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFission.
DW_FORM_GNU_ref_index = 0x1f00,
DW_FORM_GNU_addr_index = 0x1f01,
DW_FORM_GNU_str_index = 0x1f02
};
/* Attribute names and codes. */
enum DW_AT
{
DW_AT_sibling = 0x01,
DW_AT_location = 0x02,
DW_AT_name = 0x03,
DW_AT_ordering = 0x09,
DW_AT_subscr_data = 0x0a,
DW_AT_byte_size = 0x0b,
DW_AT_bit_offset = 0x0c,
DW_AT_bit_size = 0x0d,
DW_AT_element_list = 0x0f,
DW_AT_stmt_list = 0x10,
DW_AT_low_pc = 0x11,
DW_AT_high_pc = 0x12,
DW_AT_language = 0x13,
DW_AT_member = 0x14,
DW_AT_discr = 0x15,
DW_AT_discr_value = 0x16,
DW_AT_visibility = 0x17,
DW_AT_import = 0x18,
DW_AT_string_length = 0x19,
DW_AT_common_reference = 0x1a,
DW_AT_comp_dir = 0x1b,
DW_AT_const_value = 0x1c,
DW_AT_containing_type = 0x1d,
DW_AT_default_value = 0x1e,
DW_AT_inline = 0x20,
DW_AT_is_optional = 0x21,
DW_AT_lower_bound = 0x22,
DW_AT_producer = 0x25,
DW_AT_prototyped = 0x27,
DW_AT_return_addr = 0x2a,
DW_AT_start_scope = 0x2c,
DW_AT_bit_stride = 0x2e,
DW_AT_upper_bound = 0x2f,
DW_AT_abstract_origin = 0x31,
DW_AT_accessibility = 0x32,
DW_AT_address_class = 0x33,
DW_AT_artificial = 0x34,
DW_AT_base_types = 0x35,
DW_AT_calling_convention = 0x36,
DW_AT_count = 0x37,
DW_AT_data_member_location = 0x38,
DW_AT_decl_column = 0x39,
DW_AT_decl_file = 0x3a,
DW_AT_decl_line = 0x3b,
DW_AT_declaration = 0x3c,
DW_AT_discr_list = 0x3d,
DW_AT_encoding = 0x3e,
DW_AT_external = 0x3f,
DW_AT_frame_base = 0x40,
DW_AT_friend = 0x41,
DW_AT_identifier_case = 0x42,
DW_AT_macro_info = 0x43,
DW_AT_namelist_items = 0x44,
DW_AT_priority = 0x45,
DW_AT_segment = 0x46,
DW_AT_specification = 0x47,
DW_AT_static_link = 0x48,
DW_AT_type = 0x49,
DW_AT_use_location = 0x4a,
DW_AT_variable_parameter = 0x4b,
DW_AT_virtuality = 0x4c,
DW_AT_vtable_elem_location = 0x4d,
// DWARF3.
DW_AT_allocated = 0x4e,
DW_AT_associated = 0x4f,
DW_AT_data_location = 0x50,
DW_AT_byte_stride = 0x51,
DW_AT_entry_pc = 0x52,
DW_AT_use_UTF8 = 0x53,
DW_AT_extension = 0x54,
DW_AT_ranges = 0x55,
DW_AT_trampoline = 0x56,
DW_AT_call_column = 0x57,
DW_AT_call_file = 0x58,
DW_AT_call_line = 0x59,
DW_AT_description = 0x5a,
DW_AT_binary_scale = 0x5b,
DW_AT_decimal_scale = 0x5c,
DW_AT_small = 0x5d,
DW_AT_decimal_sign = 0x5e,
DW_AT_digit_count = 0x5f,
DW_AT_picture_string = 0x60,
DW_AT_mutable = 0x61,
DW_AT_threads_scaled = 0x62,
DW_AT_explicit = 0x63,
DW_AT_object_pointer = 0x64,
DW_AT_endianity = 0x65,
DW_AT_elemental = 0x66,
DW_AT_pure = 0x67,
DW_AT_recursive = 0x68,
// DWARF4.
DW_AT_signature = 0x69,
DW_AT_main_subprogram = 0x6a,
DW_AT_data_bit_offset = 0x6b,
DW_AT_const_expr = 0x6c,
DW_AT_enum_class = 0x6d,
DW_AT_linkage_name = 0x6e,
DW_AT_lo_user = 0x2000,
DW_AT_hi_user = 0x3fff,
// SGI/MIPS extensions.
DW_AT_MIPS_fde = 0x2001,
DW_AT_MIPS_loop_begin = 0x2002,
DW_AT_MIPS_tail_loop_begin = 0x2003,
DW_AT_MIPS_epilog_begin = 0x2004,
DW_AT_MIPS_loop_unroll_factor = 0x2005,
DW_AT_MIPS_software_pipeline_depth = 0x2006,
DW_AT_MIPS_linkage_name = 0x2007,
DW_AT_MIPS_stride = 0x2008,
DW_AT_MIPS_abstract_name = 0x2009,
DW_AT_MIPS_clone_origin = 0x200a,
DW_AT_MIPS_has_inlines = 0x200b,
// HP extensions.
DW_AT_HP_block_index = 0x2000,
DW_AT_HP_unmodifiable = 0x2001, // Same as DW_AT_MIPS_fde.
DW_AT_HP_prologue = 0x2005, // Same as DW_AT_MIPS_loop_unroll.
DW_AT_HP_epilogue = 0x2008, // Same as DW_AT_MIPS_stride.
DW_AT_HP_actuals_stmt_list = 0x2010,
DW_AT_HP_proc_per_section = 0x2011,
DW_AT_HP_raw_data_ptr = 0x2012,
DW_AT_HP_pass_by_reference = 0x2013,
DW_AT_HP_opt_level = 0x2014,
DW_AT_HP_prof_version_id = 0x2015,
DW_AT_HP_opt_flags = 0x2016,
DW_AT_HP_cold_region_low_pc = 0x2017,
DW_AT_HP_cold_region_high_pc = 0x2018,
DW_AT_HP_all_variables_modifiable = 0x2019,
DW_AT_HP_linkage_name = 0x201a,
DW_AT_HP_prof_flags = 0x201b, // In comp unit of procs_info for -g.
DW_AT_HP_unit_name = 0x201f,
DW_AT_HP_unit_size = 0x2020,
DW_AT_HP_widened_byte_size = 0x2021,
DW_AT_HP_definition_points = 0x2022,
DW_AT_HP_default_location = 0x2023,
DW_AT_HP_is_result_param = 0x2029,
// GNU extensions.
DW_AT_sf_names = 0x2101,
DW_AT_src_info = 0x2102,
DW_AT_mac_info = 0x2103,
DW_AT_src_coords = 0x2104,
DW_AT_body_begin = 0x2105,
DW_AT_body_end = 0x2106,
DW_AT_GNU_vector = 0x2107,
// Thread-safety annotations.
// See http://gcc.gnu.org/wiki/ThreadSafetyAnnotation .
DW_AT_GNU_guarded_by = 0x2108,
DW_AT_GNU_pt_guarded_by = 0x2109,
DW_AT_GNU_guarded = 0x210a,
DW_AT_GNU_pt_guarded = 0x210b,
DW_AT_GNU_locks_excluded = 0x210c,
DW_AT_GNU_exclusive_locks_required = 0x210d,
DW_AT_GNU_shared_locks_required = 0x210e,
// One-definition rule violation detection.
// See http://gcc.gnu.org/wiki/DwarfSeparateTypeInfo .
DW_AT_GNU_odr_signature = 0x210f,
// Template template argument name.
// See http://gcc.gnu.org/wiki/TemplateParmsDwarf .
DW_AT_GNU_template_name = 0x2110,
// The GNU call site extension.
// See http://www.dwarfstd.org/ShowIssue.php?issue=100909.2&type=open .
DW_AT_GNU_call_site_value = 0x2111,
DW_AT_GNU_call_site_data_value = 0x2112,
DW_AT_GNU_call_site_target = 0x2113,
DW_AT_GNU_call_site_target_clobbered = 0x2114,
DW_AT_GNU_tail_call = 0x2115,
DW_AT_GNU_all_tail_call_sites = 0x2116,
DW_AT_GNU_all_call_sites = 0x2117,
DW_AT_GNU_all_source_call_sites = 0x2118,
// Section offset into .debug_macro section.
DW_AT_GNU_macros = 0x2119,
// Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFission.
DW_AT_GNU_dwo_name = 0x2130,
DW_AT_GNU_dwo_id = 0x2131,
DW_AT_GNU_ref_base = 0x2132,
DW_AT_GNU_addr_base = 0x2133,
DW_AT_GNU_pubnames = 0x2134,
DW_AT_GNU_pubtypes = 0x2135,
// VMS extensions.
DW_AT_VMS_rtnbeg_pd_address = 0x2201,
// GNAT extensions.
// GNAT descriptive type.
// See http://gcc.gnu.org/wiki/DW_AT_GNAT_descriptive_type .
DW_AT_use_GNAT_descriptive_type = 0x2301,
DW_AT_GNAT_descriptive_type = 0x2302,
// UPC extension.
DW_AT_upc_threads_scaled = 0x3210,
// PGI (STMicroelectronics) extensions.
DW_AT_PGI_lbase = 0x3a00,
DW_AT_PGI_soffset = 0x3a01,
DW_AT_PGI_lstride = 0x3a02
};
// Frame unwind information.
@ -203,6 +427,8 @@ enum DW_LINE_EXTENDED_OPS
DW_LNE_end_sequence = 1,
DW_LNE_set_address = 2,
DW_LNE_define_file = 3,
// DWARF4.
DW_LNE_set_discriminator = 4,
// HP extensions.
DW_LNE_HP_negate_is_UV_update = 0x11,
DW_LNE_HP_push_context = 0x12,
@ -236,6 +462,8 @@ enum DW_ENCODING
DW_ATE_signed_fixed =0xd,
DW_ATE_unsigned_fixed =0xe,
DW_ATE_decimal_float =0xf,
// DWARF4.
DW_ATE_UTF =0x10,
DW_ATE_lo_user =0x80,
DW_ATE_hi_user =0xff
};
@ -397,6 +625,9 @@ enum DW_OP
DW_OP_form_tls_address =0x9b,
DW_OP_call_frame_cfa =0x9c,
DW_OP_bit_piece =0x9d,
// DWARF4.
DW_OP_implicit_value =0x9e,
DW_OP_stack_value =0x9f,
DW_OP_lo_user =0xe0,
DW_OP_hi_user =0xff,
// GNU extensions
@ -449,6 +680,53 @@ enum DW_CFA
DW_CFA_GNU_negative_offset_extended = 0x2f
};
enum DW_CHILDREN
{
DW_CHILDREN_no =0x00,
DW_CHILDREN_yes =0x01
};
// Source language names and codes.
enum DW_LANG
{
DW_LANG_C89 = 0x0001,
DW_LANG_C = 0x0002,
DW_LANG_Ada83 = 0x0003,
DW_LANG_C_plus_plus = 0x0004,
DW_LANG_Cobol74 = 0x0005,
DW_LANG_Cobol85 = 0x0006,
DW_LANG_Fortran77 = 0x0007,
DW_LANG_Fortran90 = 0x0008,
DW_LANG_Pascal83 = 0x0009,
DW_LANG_Modula2 = 0x000a,
// DWARF 3.
DW_LANG_Java = 0x000b,
DW_LANG_C99 = 0x000c,
DW_LANG_Ada95 = 0x000d,
DW_LANG_Fortran95 = 0x000e,
DW_LANG_PLI = 0x000f,
DW_LANG_ObjC = 0x0010,
DW_LANG_ObjC_plus_plus = 0x0011,
DW_LANG_UPC = 0x0012,
DW_LANG_D = 0x0013,
// DWARF 4.
DW_LANG_Python = 0x0014,
// DWARF 5.
DW_LANG_Go = 0x0016,
DW_LANG_lo_user = 0x8000, // Implementation-defined range start.
DW_LANG_hi_user = 0xffff, // Implementation-defined range start.
// MIPS.
DW_LANG_Mips_Assembler = 0x8001,
// UPC.
DW_LANG_Upc = 0x8765,
// HP extensions.
DW_LANG_HP_Bliss = 0x8003,
DW_LANG_HP_Basic91 = 0x8004,
DW_LANG_HP_Pascal91 = 0x8005,
DW_LANG_HP_IMacro = 0x8006,
DW_LANG_HP_Assembler = 0x8007
};
} // End namespace elfcpp.
#endif // !defined(ELFCPP_DWARF_H)

6
gold/ChangeLog
View File

@ -1,3 +1,9 @@
2012-03-12 Cary Coutant <ccoutant@google.com>
* reduced_debug_output.cc
(Output_reduced_debug_info_section::get_die_end): Add new FORM
codes to switch.
2012-02-29 Cary Coutant <ccoutant@google.com>
* object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.

12
gold/reduced_debug_output.cc
View File

@ -61,8 +61,10 @@ Output_reduced_debug_info_section::get_die_end(
switch(form)
{
case elfcpp::DW_FORM_null:
case elfcpp::DW_FORM_flag_present:
break;
case elfcpp::DW_FORM_strp:
case elfcpp::DW_FORM_sec_offset:
die += is64 ? 8 : 4;
break;
case elfcpp::DW_FORM_addr:
@ -88,6 +90,7 @@ Output_reduced_debug_info_section::get_die_end(
break;
}
case elfcpp::DW_FORM_block:
case elfcpp::DW_FORM_exprloc:
LEB_decoded = read_unsigned_LEB_128(die, &LEB_size);
die += (LEB_decoded + LEB_size);
break;
@ -106,6 +109,7 @@ Output_reduced_debug_info_section::get_die_end(
break;
case elfcpp::DW_FORM_data8:
case elfcpp::DW_FORM_ref8:
case elfcpp::DW_FORM_ref_sig8:
die += 8;
break;
case elfcpp::DW_FORM_ref_udata:
@ -113,14 +117,20 @@ Output_reduced_debug_info_section::get_die_end(
read_unsigned_LEB_128(die, &LEB_size);
die += LEB_size;
break;
case elfcpp::DW_FORM_sdata:
read_signed_LEB_128(die, &LEB_size);
die += LEB_size;
break;
case elfcpp::DW_FORM_string:
{
size_t length = strlen(reinterpret_cast<char*>(die));
die += length + 1;
break;
}
case elfcpp::DW_FORM_sdata:
case elfcpp::DW_FORM_indirect:
case elfcpp::DW_FORM_GNU_ref_index:
case elfcpp::DW_FORM_GNU_addr_index:
case elfcpp::DW_FORM_GNU_str_index:
return false;
}
}

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