diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2016-03-14 22:18:27 (GMT) |
---|---|---|
committer | Cyrille Bagard <nocbos@gmail.com> | 2016-03-14 22:18:27 (GMT) |
commit | fab9d7cd46922abea7d94f36dcd4630cdf3f4719 (patch) | |
tree | ad41bb921db17631104a069e4df64fb4fc5ccfc1 /src/format/dwarf/dwarf_def.h | |
parent | 8d8e5c02096f59a7227308a591fc5050ea5d92ff (diff) |
Improved the basic support of Dwarf information.
Diffstat (limited to 'src/format/dwarf/dwarf_def.h')
-rw-r--r-- | src/format/dwarf/dwarf_def.h | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/src/format/dwarf/dwarf_def.h b/src/format/dwarf/dwarf_def.h index 35fcdc0..7067472 100644 --- a/src/format/dwarf/dwarf_def.h +++ b/src/format/dwarf/dwarf_def.h @@ -26,6 +26,430 @@ +#include <stdint.h> + + +#include "../../arch/vmpa.h" +#include "../../common/leb128.h" + + + + +/** + * § 7.5.1.1 Compilation Unit Header. + */ + +/* En-tête présente dans certaines sections */ +typedef struct _dw_compil_unit_header +{ + uint64_t unit_length; /* Taille totale sans le champ */ + bool is_32b; /* Le format est-il sur 32b ? */ + + uint16_t version; /* Version de la section */ + + uint64_t debug_abbrev_offset; /* Emplacement dans la section */ + uint8_t address_size; /* Taille des adresses */ + +} dw_compil_unit_header; + + +/** + * § 7.5.4 Attribute Encodings + */ + +/* Figure 18, Tag encodings, begins here. */ + +typedef enum _DwarfTag +{ + DW_TAG_array_type = 0x01, + DW_TAG_class_type = 0x02, + DW_TAG_entry_point = 0x03, + DW_TAG_enumeration_type = 0x04, + DW_TAG_formal_parameter = 0x05, + DW_TAG_imported_declaration = 0x08, + DW_TAG_label = 0x0a, + DW_TAG_lexical_block = 0x0b, + DW_TAG_member = 0x0d, + DW_TAG_pointer_type = 0x0f, + DW_TAG_reference_type = 0x10, + DW_TAG_compile_unit = 0x11, + DW_TAG_string_type = 0x12, + DW_TAG_structure_type = 0x13, + DW_TAG_subroutine_type = 0x15, + DW_TAG_typedef = 0x16, + DW_TAG_union_type = 0x17, + DW_TAG_unspecified_parameters = 0x18, + DW_TAG_variant = 0x19, + DW_TAG_common_block = 0x1a, + DW_TAG_common_inclusion = 0x1b, + DW_TAG_inheritance = 0x1c, + DW_TAG_inlined_subroutine = 0x1d, + DW_TAG_module = 0x1e, + DW_TAG_ptr_to_member_type = 0x1f, + DW_TAG_set_type = 0x20, + DW_TAG_subrange_type = 0x21, + DW_TAG_with_stmt = 0x22, + DW_TAG_access_declaration = 0x23, + DW_TAG_base_type = 0x24, + DW_TAG_catch_block = 0x25, + DW_TAG_const_type = 0x26, + DW_TAG_constant = 0x27, + DW_TAG_enumerator = 0x28, + DW_TAG_file_type = 0x29, + DW_TAG_friend = 0x2a, + DW_TAG_namelist = 0x2b, + DW_TAG_namelist_item = 0x2c, + DW_TAG_packed_type = 0x2d, + DW_TAG_subprogram = 0x2e, + DW_TAG_template_type_parameter = 0x2f, + DW_TAG_template_value_parameter = 0x30, + DW_TAG_thrown_type = 0x31, + DW_TAG_try_block = 0x32, + DW_TAG_variant_part = 0x33, + DW_TAG_variable = 0x34, + DW_TAG_volatile_type = 0x35, + + DW_TAG_dwarf_procedure = 0x36, + DW_TAG_restrict_type = 0x37, + DW_TAG_interface_type = 0x38, + DW_TAG_namespace = 0x39, + DW_TAG_imported_module = 0x3a, + DW_TAG_unspecified_type = 0x3b, + DW_TAG_partial_unit = 0x3c, + DW_TAG_imported_unit = 0x3d, + DW_TAG_condition = 0x3f, + DW_TAG_shared_type = 0x40, + + /* Nouveautés v.4 */ + + DW_TAG_type_unit = 0x41, + DW_TAG_rvalue_reference_type = 0x42, + DW_TAG_template_alias = 0x43, + + DW_TAG_lo_user = 0x4080, + DW_TAG_hi_user = 0xffff + +} DwarfTag; + +/* Figure 19. Child determination encodings. */ + +#define DW_CHILDREN_no 0x00 +#define DW_CHILDREN_yes 0x01 + +/* Figure 21. Attribute form encodings. */ + +typedef enum _DwarfForm +{ + DW_FORM_invalid = 0x00, + + DW_FORM_addr = 0x01, + DW_FORM_block2 = 0x03, + DW_FORM_block4 = 0x04, + DW_FORM_data2 = 0x05, + DW_FORM_data4 = 0x06, + DW_FORM_data8 = 0x07, + DW_FORM_string = 0x08, + DW_FORM_block = 0x09, + DW_FORM_block1 = 0x0a, + DW_FORM_data1 = 0x0b, + DW_FORM_flag = 0x0c, + DW_FORM_sdata = 0x0d, + DW_FORM_strp = 0x0e, + DW_FORM_udata = 0x0f, + DW_FORM_ref_addr = 0x10, + DW_FORM_ref1 = 0x11, + DW_FORM_ref2 = 0x12, + DW_FORM_ref4 = 0x13, + DW_FORM_ref8 = 0x14, + DW_FORM_ref_udata = 0x15, + DW_FORM_indirect = 0x16, + + /* Nouveautés v4 */ + + DW_FORM_sec_offset = 0x17, + DW_FORM_exprloc = 0x18, + DW_FORM_flag_present = 0x19, + DW_FORM_ref_sig8 = 0x20 + +} DwarfForm; + + + + + + +/* Résumé des différentes valeurs dans DWARF v2 */ +typedef union _dw_v2_form_value +{ + /* DW_FORM_addr */ + virt_t address; + + /* DW_FORM_data[1248] */ + uint8_t data1; + uint16_t data2; + uint32_t data4; + uint64_t data8; + + /* DW_FORM_sdata */ + leb128_t sdata; + + /* DW_FORM_udata */ + uleb128_t udata; + + /* DW_FORM_block[124]? */ + struct + { + const bin_t *start; + phys_t size; + + } block; + + /* DW_FORM_string */ + /* DW_FORM_strp */ + const char *string; + + /* DW_FORM_flag */ + uint8_t flag; + + /* DW_FORM_ref[1248] */ + uint8_t ref1; + uint16_t ref2; + uint32_t ref4; + uint64_t ref8; + + /* DW_FORM_ref_udata */ + uleb128_t ref_udata; + +} dw_v2_form_value; + + +/* Résumé des différentes valeurs dans DWARF v4 */ +typedef union _dw_v4_form_value +{ + dw_v2_form_value v2; + + /* DW_FORM_sec_offset */ + uint64_t sec_offset; + + /* DW_FORM_exprloc */ + struct + { + const bin_t *start; + phys_t size; + + } expr; + + /* DW_FORM_flag_present */ + bool has_flag; + + /* DW_FORM_ref_sig8 */ + uint64_t signature; + +} dw_v4_form_value; + + +/* Résumé des différentes valeurs dans DWARF */ +typedef union _dw_form_value +{ + dw_v2_form_value v2; + dw_v2_form_value v4; + +} dw_form_value; + + + + + + + + + + + + + + + + + + + +/** + * § 7.5.3 Abbreviations Tables. + */ + +/* Description d'un attribut d'une abréviation */ +typedef struct _dw_abbrev_raw_attr +{ + uleb128_t name; /* Désignation de l'attribut */ + uleb128_t form; /* Nature de sa valeur */ + +} dw_abbrev_raw_attr; + +/* En-tête de déclaration d'une abréviation */ +typedef struct _dw_abbrev_decl +{ + uleb128_t code; /* Identifiant attribué */ + uleb128_t tag; /* Identifiant attribué */ + + uint8_t has_children; /* Présence de sous-entrées ? */ + +} dw_abbrev_decl; + + + + + + + + + + +/* Liste des attributs rencontrés */ +typedef enum _DwarfAttrib +{ + DW_AT_sibling = 0x01, + DW_AT_location = 0x02, + DW_AT_name = 0x03, + DW_AT_ordering = 0x09, + DW_AT_byte_size = 0x0b, + DW_AT_bit_offset = 0x0c, + DW_AT_bit_size = 0x0d, + DW_AT_stmt_list = 0x10, + DW_AT_low_pc = 0x11, + DW_AT_high_pc = 0x12, + DW_AT_language = 0x13, + 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_item = 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, + 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, + + /* Nouveautés v4 */ + + 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, + +} DwarfAttrib; + + +#define DW_ATTR_invalid 0 /* FIXME */ + + +typedef struct _dw_value +{ + DwarfAttrib attrib; /* Sujet de l'élément */ + dw_form_value value; /* Valeur instanciée associée */ + +} dw_value; + + + + + + + + + + + + + + + +#if 0 + + + + + + + + + + + + + + + /* Liste des balises rencontrées */ typedef enum _DwarfTag { @@ -399,5 +823,8 @@ typedef enum _DwarfForm } DwarfForm; +#endif + + #endif /* _FORMAT_DWARF_DWARF_DEF_H */ |