diff options
Diffstat (limited to 'src/Native/ObjWriter/debugInfo/dwarf/dwarfAbbrev.cpp')
| -rw-r--r-- | src/Native/ObjWriter/debugInfo/dwarf/dwarfAbbrev.cpp | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/src/Native/ObjWriter/debugInfo/dwarf/dwarfAbbrev.cpp b/src/Native/ObjWriter/debugInfo/dwarf/dwarfAbbrev.cpp new file mode 100644 index 000000000..23ee3fa30 --- /dev/null +++ b/src/Native/ObjWriter/debugInfo/dwarf/dwarfAbbrev.cpp @@ -0,0 +1,284 @@ +//===---- dwarfAbbrev.cpp ---------------------------------------*- C++ -*-===// +// +// dwarf abbreviations implementation +// +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. +// +//===----------------------------------------------------------------------===// + +#include "dwarfAbbrev.h" +#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCObjectFileInfo.h" + +namespace DwarfAbbrev { + +void Dump(MCObjectStreamer *Streamer, uint16_t DwarfVersion, unsigned TargetPointerSize) { + uint16_t DW_FORM_size; + switch (TargetPointerSize) { + case 1: + DW_FORM_size = dwarf::DW_FORM_data1; + break; + case 2: + DW_FORM_size = dwarf::DW_FORM_data2; + break; + case 4: + DW_FORM_size = dwarf::DW_FORM_data4; + break; + case 8: + DW_FORM_size = dwarf::DW_FORM_data8; + break; + default: + assert(false && "Unexpected TargerPointerSize"); + return; + } + + const uint16_t AbbrevTable[] = { + CompileUnit, + dwarf::DW_TAG_compile_unit, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_producer, dwarf::DW_FORM_string, + dwarf::DW_AT_language, dwarf::DW_FORM_data2, + dwarf::DW_AT_stmt_list, (DwarfVersion >= 4 ? dwarf::DW_FORM_sec_offset : dwarf::DW_FORM_data4), + 0, 0, + + BaseType, + dwarf::DW_TAG_base_type, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, + dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, + 0, 0, + + EnumerationType, + dwarf::DW_TAG_enumeration_type, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, + 0, 0, + + Enumerator1, + dwarf::DW_TAG_enumerator, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_const_value, dwarf::DW_FORM_data1, + 0, 0, + + Enumerator2, + dwarf::DW_TAG_enumerator, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_const_value, dwarf::DW_FORM_data2, + 0, 0, + + Enumerator4, + dwarf::DW_TAG_enumerator, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_const_value, dwarf::DW_FORM_data4, + 0, 0, + + Enumerator8, + dwarf::DW_TAG_enumerator, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_const_value, dwarf::DW_FORM_data8, + 0, 0, + + TypeDef, + dwarf::DW_TAG_typedef, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + 0, 0, + + Subprogram, + dwarf::DW_TAG_subprogram, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_specification, dwarf::DW_FORM_ref4, + dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + dwarf::DW_AT_high_pc, DW_FORM_size, + dwarf::DW_AT_frame_base, dwarf::DW_FORM_exprloc, + dwarf::DW_AT_object_pointer, dwarf::DW_FORM_ref4, + 0, 0, + + SubprogramStatic, + dwarf::DW_TAG_subprogram, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_specification, dwarf::DW_FORM_ref4, + dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + dwarf::DW_AT_high_pc, DW_FORM_size, + dwarf::DW_AT_frame_base, dwarf::DW_FORM_exprloc, + 0, 0, + + SubprogramSpec, + dwarf::DW_TAG_subprogram, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_linkage_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, + dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, + dwarf::DW_AT_object_pointer, dwarf::DW_FORM_ref4, + 0, 0, + + SubprogramStaticSpec, + dwarf::DW_TAG_subprogram, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_linkage_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, + dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, + 0, 0, + + Variable, + dwarf::DW_TAG_variable, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_exprloc, + 0, 0, + + VariableLoc, + dwarf::DW_TAG_variable, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_sec_offset, + 0, 0, + + VariableStatic, + dwarf::DW_TAG_variable, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_specification, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_exprloc, + 0, 0, + + FormalParameter, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_exprloc, + 0, 0, + + FormalParameterThis, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_exprloc, + dwarf::DW_AT_artificial, dwarf::DW_FORM_flag_present, + 0, 0, + + FormalParameterLoc, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_sec_offset, + 0, 0, + + FormalParameterThisLoc, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, + dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_location, dwarf::DW_FORM_sec_offset, + dwarf::DW_AT_artificial, dwarf::DW_FORM_flag_present, + 0, 0, + + FormalParameterSpec, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + 0, 0, + + FormalParameterThisSpec, + dwarf::DW_TAG_formal_parameter, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_artificial, dwarf::DW_FORM_flag_present, + 0, 0, + + ClassType, + dwarf::DW_TAG_class_type, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_byte_size, dwarf::DW_FORM_data4, + 0, 0, + + ClassTypeDecl, + dwarf::DW_TAG_class_type, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, + 0, 0, + + ClassMember, + dwarf::DW_TAG_member, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data4, + 0, 0, + + ClassMemberStatic, + dwarf::DW_TAG_member, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_name, dwarf::DW_FORM_strp, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, + dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, + 0, 0, + + PointerType, + dwarf::DW_TAG_pointer_type, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, + 0, 0, + + ReferenceType, + dwarf::DW_TAG_reference_type, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, + 0, 0, + + ArrayType, + dwarf::DW_TAG_array_type, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + 0, 0, + + SubrangeType, + dwarf::DW_TAG_subrange_type, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_upper_bound, dwarf::DW_FORM_udata, + 0, 0, + + ClassInheritance, + dwarf::DW_TAG_inheritance, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_type, dwarf::DW_FORM_ref4, + dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, + 0, 0, + + LexicalBlock, + dwarf::DW_TAG_lexical_block, dwarf::DW_CHILDREN_yes, + dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + dwarf::DW_AT_high_pc, DW_FORM_size, + 0, 0, + + TryBlock, + dwarf::DW_TAG_try_block, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + dwarf::DW_AT_high_pc, DW_FORM_size, + 0, 0, + + CatchBlock, + dwarf::DW_TAG_catch_block, dwarf::DW_CHILDREN_no, + dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + dwarf::DW_AT_high_pc, DW_FORM_size, + 0, 0 + }; + + MCContext &context = Streamer->getContext(); + Streamer->SwitchSection(context.getObjectFileInfo()->getDwarfAbbrevSection()); + + for (uint16_t e : AbbrevTable) { + Streamer->EmitULEB128IntValue(e); + } +} + +}
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