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| -rw-r--r-- | dwarf2.h | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/dwarf2.h b/dwarf2.h new file mode 100644 index 0000000..50b6ddb --- /dev/null +++ b/dwarf2.h @@ -0,0 +1,556 @@ +/* Declarations and definitions of codes relating to the DWARF2 and + DWARF3 symbolic debugging information formats. + Copyright (C) 1992-2021 Free Software Foundation, Inc. + + Written by Gary Funck (gary@intrepid.com) The Ada Joint Program + Office (AJPO), Florida State University and Silicon Graphics Inc. + provided support for this effort -- June 21, 1995. + + Derived from the DWARF 1 implementation written by Ron Guilmette + (rfg@netcom.com), November 1990. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 3, or (at your option) any later + version. + + GCC is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +/* This file is derived from the DWARF specification (a public document) + Revision 2.0.0 (July 27, 1993) developed by the UNIX International + Programming Languages Special Interest Group (UI/PLSIG) and distributed + by UNIX International. Copies of this specification are available from + UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. + + This file also now contains definitions from the DWARF 3 specification + published Dec 20, 2005, available from: http://dwarf.freestandards.org. */ + +#ifndef _DWARF2_H +#define _DWARF2_H + +#define DW_TAG(name, value) , name = value +#define DW_TAG_DUP(name, value) , name = value +#define DW_FORM(name, value) , name = value +#define DW_AT(name, value) , name = value +#define DW_AT_DUP(name, value) , name = value +#define DW_OP(name, value) , name = value +#define DW_OP_DUP(name, value) , name = value +#define DW_ATE(name, value) , name = value +#define DW_ATE_DUP(name, value) , name = value +#define DW_CFA(name, value) , name = value +#define DW_CFA_DUP(name, value) , name = value +#define DW_IDX(name, value) , name = value +#define DW_IDX_DUP(name, value) , name = value +#define DW_UT(name, value) , name = value + +#define DW_FIRST_TAG(name, value) enum dwarf_tag { \ + name = value +#define DW_END_TAG }; +#define DW_FIRST_FORM(name, value) enum dwarf_form { \ + name = value +#define DW_END_FORM }; +#define DW_FIRST_AT(name, value) enum dwarf_attribute { \ + name = value +#define DW_END_AT }; +#define DW_FIRST_OP(name, value) enum dwarf_location_atom { \ + name = value +#define DW_END_OP }; +#define DW_FIRST_ATE(name, value) enum dwarf_type { \ + name = value +#define DW_END_ATE }; +#define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \ + name = value +#define DW_END_CFA }; +#define DW_FIRST_IDX(name, value) enum dwarf_name_index_attribute { \ + name = value +#define DW_END_IDX }; +#define DW_FIRST_UT(name, value) enum dwarf_unit_type { \ + name = value +#define DW_END_UT }; + +#include "dwarf2.def" + +#undef DW_FIRST_TAG +#undef DW_END_TAG +#undef DW_FIRST_FORM +#undef DW_END_FORM +#undef DW_FIRST_AT +#undef DW_END_AT +#undef DW_FIRST_OP +#undef DW_END_OP +#undef DW_FIRST_ATE +#undef DW_END_ATE +#undef DW_FIRST_CFA +#undef DW_END_CFA +#undef DW_FIRST_IDX +#undef DW_END_IDX +#undef DW_FIRST_UT +#undef DW_END_UT + +#undef DW_TAG +#undef DW_TAG_DUP +#undef DW_FORM +#undef DW_AT +#undef DW_AT_DUP +#undef DW_OP +#undef DW_OP_DUP +#undef DW_ATE +#undef DW_ATE_DUP +#undef DW_CFA +#undef DW_CFA_DUP +#undef DW_IDX +#undef DW_IDX_DUP +#undef DW_UT + +/* Flag that tells whether entry has a child or not. */ +#define DW_children_no 0 +#define DW_children_yes 1 + +#define DW_AT_stride_size DW_AT_bit_stride /* Note: The use of DW_AT_stride_size is deprecated. */ +#define DW_AT_stride DW_AT_byte_stride /* Note: The use of DW_AT_stride is deprecated. */ + +/* Decimal sign encodings. */ +enum dwarf_decimal_sign_encoding + { + /* DWARF 3. */ + DW_DS_unsigned = 0x01, + DW_DS_leading_overpunch = 0x02, + DW_DS_trailing_overpunch = 0x03, + DW_DS_leading_separate = 0x04, + DW_DS_trailing_separate = 0x05 + }; + +/* Endianity encodings. */ +enum dwarf_endianity_encoding + { + /* DWARF 3. */ + DW_END_default = 0x00, + DW_END_big = 0x01, + DW_END_little = 0x02, + + DW_END_lo_user = 0x40, + DW_END_hi_user = 0xff + }; + +/* Array ordering names and codes. */ +enum dwarf_array_dim_ordering + { + DW_ORD_row_major = 0, + DW_ORD_col_major = 1 + }; + +/* Access attribute. */ +enum dwarf_access_attribute + { + DW_ACCESS_public = 1, + DW_ACCESS_protected = 2, + DW_ACCESS_private = 3 + }; + +/* Visibility. */ +enum dwarf_visibility_attribute + { + DW_VIS_local = 1, + DW_VIS_exported = 2, + DW_VIS_qualified = 3 + }; + +/* Virtuality. */ +enum dwarf_virtuality_attribute + { + DW_VIRTUALITY_none = 0, + DW_VIRTUALITY_virtual = 1, + DW_VIRTUALITY_pure_virtual = 2 + }; + +/* Case sensitivity. */ +enum dwarf_id_case + { + DW_ID_case_sensitive = 0, + DW_ID_up_case = 1, + DW_ID_down_case = 2, + DW_ID_case_insensitive = 3 + }; + +/* Calling convention. */ +enum dwarf_calling_convention + { + DW_CC_normal = 0x1, + DW_CC_program = 0x2, + DW_CC_nocall = 0x3, + + /* DWARF 5. */ + DW_CC_pass_by_reference = 0x4, + DW_CC_pass_by_value = 0x5, + + DW_CC_lo_user = 0x40, + DW_CC_hi_user = 0xff, + + DW_CC_GNU_renesas_sh = 0x40, + DW_CC_GNU_borland_fastcall_i386 = 0x41, + + /* This DW_CC_ value is not currently generated by any toolchain. It is + used internally to GDB to indicate OpenCL C functions that have been + compiled with the IBM XL C for OpenCL compiler and use a non-platform + calling convention for passing OpenCL C vector types. This value may + be changed freely as long as it does not conflict with any other DW_CC_ + value defined here. */ + DW_CC_GDB_IBM_OpenCL = 0xff + }; + +/* Inline attribute. */ +enum dwarf_inline_attribute + { + DW_INL_not_inlined = 0, + DW_INL_inlined = 1, + DW_INL_declared_not_inlined = 2, + DW_INL_declared_inlined = 3 + }; + +/* Discriminant lists. */ +enum dwarf_discrim_list + { + DW_DSC_label = 0, + DW_DSC_range = 1 + }; + +/* Line number opcodes. */ +enum dwarf_line_number_ops + { + DW_LNS_extended_op = 0, + DW_LNS_copy = 1, + DW_LNS_advance_pc = 2, + DW_LNS_advance_line = 3, + DW_LNS_set_file = 4, + DW_LNS_set_column = 5, + DW_LNS_negate_stmt = 6, + DW_LNS_set_basic_block = 7, + DW_LNS_const_add_pc = 8, + DW_LNS_fixed_advance_pc = 9, + /* DWARF 3. */ + DW_LNS_set_prologue_end = 10, + DW_LNS_set_epilogue_begin = 11, + DW_LNS_set_isa = 12 + }; + +/* Line number extended opcodes. */ +enum dwarf_line_number_x_ops + { + DW_LNE_end_sequence = 1, + DW_LNE_set_address = 2, + DW_LNE_define_file = 3, + DW_LNE_set_discriminator = 4, + /* HP extensions. */ + DW_LNE_HP_negate_is_UV_update = 0x11, + DW_LNE_HP_push_context = 0x12, + DW_LNE_HP_pop_context = 0x13, + DW_LNE_HP_set_file_line_column = 0x14, + DW_LNE_HP_set_routine_name = 0x15, + DW_LNE_HP_set_sequence = 0x16, + DW_LNE_HP_negate_post_semantics = 0x17, + DW_LNE_HP_negate_function_exit = 0x18, + DW_LNE_HP_negate_front_end_logical = 0x19, + DW_LNE_HP_define_proc = 0x20, + DW_LNE_HP_source_file_correlation = 0x80, + + DW_LNE_lo_user = 0x80, + DW_LNE_hi_user = 0xff + }; + +/* Sub-opcodes for DW_LNE_HP_source_file_correlation. */ +enum dwarf_line_number_hp_sfc_ops + { + DW_LNE_HP_SFC_formfeed = 1, + DW_LNE_HP_SFC_set_listing_line = 2, + DW_LNE_HP_SFC_associate = 3 + }; + +/* Content type codes in line table directory_entry_format + and file_name_entry_format sequences. */ +enum dwarf_line_number_content_type + { + DW_LNCT_path = 0x1, + DW_LNCT_directory_index = 0x2, + DW_LNCT_timestamp = 0x3, + DW_LNCT_size = 0x4, + DW_LNCT_MD5 = 0x5, + DW_LNCT_lo_user = 0x2000, + DW_LNCT_hi_user = 0x3fff + }; + +/* Type codes for location list entries. */ +enum dwarf_location_list_entry_type + { + DW_LLE_end_of_list = 0x00, + DW_LLE_base_addressx = 0x01, + DW_LLE_startx_endx = 0x02, + DW_LLE_startx_length = 0x03, + DW_LLE_offset_pair = 0x04, + DW_LLE_default_location = 0x05, + DW_LLE_base_address = 0x06, + DW_LLE_start_end = 0x07, + DW_LLE_start_length = 0x08, + + /* <http://lists.dwarfstd.org/private.cgi/dwarf-discuss-dwarfstd.org/2017-April/004347.html> + has the proposal for now; only available to list members. + + A (possibly updated) copy of the proposal is available at + <http://people.redhat.com/aoliva/papers/sfn/dwarf6-sfn-lvu.txt>. */ + DW_LLE_GNU_view_pair = 0x09, +#define DW_LLE_view_pair DW_LLE_GNU_view_pair + + /* Former extension for Fission. + See http://gcc.gnu.org/wiki/DebugFission. */ + DW_LLE_GNU_end_of_list_entry = 0x00, + DW_LLE_GNU_base_address_selection_entry = 0x01, + DW_LLE_GNU_start_end_entry = 0x02, + DW_LLE_GNU_start_length_entry = 0x03 + }; + +#define DW_CIE_ID 0xffffffff +#define DW64_CIE_ID 0xffffffffffffffffULL + +#define DW_CFA_extended 0 + +#define DW_CHILDREN_no 0x00 +#define DW_CHILDREN_yes 0x01 + +#define DW_ADDR_none 0 + +/* Source language names and codes. */ +enum dwarf_source_language + { + 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_OpenCL = 0x0015, + DW_LANG_Go = 0x0016, + DW_LANG_Modula3 = 0x0017, + DW_LANG_Haskell = 0x0018, + DW_LANG_C_plus_plus_03 = 0x0019, + DW_LANG_C_plus_plus_11 = 0x001a, + DW_LANG_OCaml = 0x001b, + DW_LANG_Rust = 0x001c, + DW_LANG_C11 = 0x001d, + DW_LANG_Swift = 0x001e, + DW_LANG_Julia = 0x001f, + DW_LANG_Dylan = 0x0020, + DW_LANG_C_plus_plus_14 = 0x0021, + DW_LANG_Fortran03 = 0x0022, + DW_LANG_Fortran08 = 0x0023, + DW_LANG_RenderScript = 0x0024, + + 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, + + /* Rust extension, but replaced in DWARF 5. */ + DW_LANG_Rust_old = 0x9000 + }; + +/* Names and codes for macro information. */ +enum dwarf_macinfo_record_type + { + DW_MACINFO_define = 1, + DW_MACINFO_undef = 2, + DW_MACINFO_start_file = 3, + DW_MACINFO_end_file = 4, + DW_MACINFO_vendor_ext = 255 + }; + +/* DW_TAG_defaulted/DW_TAG_GNU_defaulted attributes. */ +enum dwarf_defaulted_attribute + { + DW_DEFAULTED_no = 0x00, + DW_DEFAULTED_in_class = 0x01, + DW_DEFAULTED_out_of_class = 0x02 + }; + +/* Names and codes for new style macro information. */ +enum dwarf_macro_record_type + { + DW_MACRO_define = 0x01, + DW_MACRO_undef = 0x02, + DW_MACRO_start_file = 0x03, + DW_MACRO_end_file = 0x04, + DW_MACRO_define_strp = 0x05, + DW_MACRO_undef_strp = 0x06, + DW_MACRO_import = 0x07, + DW_MACRO_define_sup = 0x08, + DW_MACRO_undef_sup = 0x09, + DW_MACRO_import_sup = 0x0a, + DW_MACRO_define_strx = 0x0b, + DW_MACRO_undef_strx = 0x0c, + DW_MACRO_lo_user = 0xe0, + DW_MACRO_hi_user = 0xff, + + /* Compatibility macros for the GNU .debug_macro extension. */ + DW_MACRO_GNU_define = 0x01, + DW_MACRO_GNU_undef = 0x02, + DW_MACRO_GNU_start_file = 0x03, + DW_MACRO_GNU_end_file = 0x04, + DW_MACRO_GNU_define_indirect = 0x05, + DW_MACRO_GNU_undef_indirect = 0x06, + DW_MACRO_GNU_transparent_include = 0x07, + /* Extensions for DWZ multifile. + See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */ + DW_MACRO_GNU_define_indirect_alt = 0x08, + DW_MACRO_GNU_undef_indirect_alt = 0x09, + DW_MACRO_GNU_transparent_include_alt = 0x0a, + DW_MACRO_GNU_lo_user = 0xe0, + DW_MACRO_GNU_hi_user = 0xff + }; + +/* Range list entry kinds in .debug_rnglists* section. */ +enum dwarf_range_list_entry + { + DW_RLE_end_of_list = 0x00, + DW_RLE_base_addressx = 0x01, + DW_RLE_startx_endx = 0x02, + DW_RLE_startx_length = 0x03, + DW_RLE_offset_pair = 0x04, + DW_RLE_base_address = 0x05, + DW_RLE_start_end = 0x06, + DW_RLE_start_length = 0x07 + }; + +/* @@@ For use with GNU frame unwind information. */ + +#define DW_EH_PE_absptr 0x00 +#define DW_EH_PE_omit 0xff + +#define DW_EH_PE_uleb128 0x01 +#define DW_EH_PE_udata2 0x02 +#define DW_EH_PE_udata4 0x03 +#define DW_EH_PE_udata8 0x04 +#define DW_EH_PE_sleb128 0x09 +#define DW_EH_PE_sdata2 0x0A +#define DW_EH_PE_sdata4 0x0B +#define DW_EH_PE_sdata8 0x0C +#define DW_EH_PE_signed 0x08 + +#define DW_EH_PE_pcrel 0x10 +#define DW_EH_PE_textrel 0x20 +#define DW_EH_PE_datarel 0x30 +#define DW_EH_PE_funcrel 0x40 +#define DW_EH_PE_aligned 0x50 + +#define DW_EH_PE_indirect 0x80 + +/* Codes for the debug sections in a dwarf package (.dwp) file. + (From the pre-standard formats Extensions for Fission. + See http://gcc.gnu.org/wiki/DebugFissionDWP). */ +enum dwarf_sect +{ + DW_SECT_INFO = 1, + DW_SECT_TYPES = 2, + DW_SECT_ABBREV = 3, + DW_SECT_LINE = 4, + DW_SECT_LOC = 5, + DW_SECT_STR_OFFSETS = 6, + DW_SECT_MACINFO = 7, + DW_SECT_MACRO = 8, + DW_SECT_MAX = 8 +}; + +/* Codes for the debug sections in a dwarf package (.dwp) file. + (From the official DWARF v5 spec. + See http://dwarfstd.org/doc/DWARF5.pdf, section 7.3.5). */ +enum dwarf_sect_v5 +{ + DW_SECT_INFO_V5 = 1, + DW_SECT_RESERVED_V5 = 2, + DW_SECT_ABBREV_V5 = 3, + DW_SECT_LINE_V5 = 4, + DW_SECT_LOCLISTS_V5 = 5, + DW_SECT_STR_OFFSETS_V5 = 6, + DW_SECT_MACRO_V5 = 7, + DW_SECT_RNGLISTS_V5 = 8, + DW_SECT_MAX_V5 = 8 +}; + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* Return the name of a DW_TAG_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_TAG_name (unsigned int tag); + +/* Return the name of a DW_AT_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_AT_name (unsigned int attr); + +/* Return the name of a DW_FORM_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_FORM_name (unsigned int form); + +/* Return the name of a DW_OP_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_OP_name (unsigned int op); + +/* Return the name of a DW_ATE_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_ATE_name (unsigned int enc); + +/* Return the name of a DW_CFA_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_CFA_name (unsigned int opc); + +/* Return the name of a DW_IDX_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_IDX_name (unsigned int idx); + +/* Return the name of a DW_UT_ constant, or NULL if the value is not + recognized. */ +extern const char *get_DW_UT_name (unsigned int ut); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _DWARF2_H */ |