2005-12-21 19:44:40 +00:00
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//===-- llvm/CodeGen/DwarfWriter.h - Dwarf Framework ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by James M. Laskey and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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2006-01-17 17:31:53 +00:00
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// This file contains support for writing Dwarf debug info into asm files. For
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// Details on the Dwarf 3 specfication see DWARF Debugging Information Format
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// V.3 reference manual http://dwarf.freestandards.org ,
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2005-12-21 19:44:40 +00:00
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//
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2006-01-17 17:31:53 +00:00
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// The role of the Dwarf Writer class is to extract debug information from the
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// MachineDebugInfo object, organize it in Dwarf form and then emit it into asm
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// the current asm file using data and high level Dwarf directives.
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//
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2005-12-21 19:44:40 +00:00
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//===----------------------------------------------------------------------===//
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2006-01-17 19:12:24 +00:00
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#ifndef LLVM_CODEGEN_DWARFWRITER_H
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#define LLVM_CODEGEN_DWARFWRITER_H
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2005-12-21 19:44:40 +00:00
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2006-01-17 17:31:53 +00:00
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#include "llvm/ADT/UniqueVector.h"
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2006-01-04 22:28:25 +00:00
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#include <iosfwd>
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2006-01-17 17:31:53 +00:00
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#include <string>
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2006-01-04 13:52:30 +00:00
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2005-12-21 19:46:32 +00:00
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namespace llvm {
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2006-01-04 13:52:30 +00:00
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//===--------------------------------------------------------------------===//
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2005-12-21 19:46:32 +00:00
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// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
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2006-01-04 13:52:30 +00:00
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// reference manual http://dwarf.freestandards.org .
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2005-12-21 19:46:32 +00:00
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//
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enum dwarf_constants {
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2006-01-17 17:31:53 +00:00
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DWARF_VERSION = 2,
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2005-12-21 19:46:32 +00:00
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// Tags
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DW_TAG_array_type = 0x01,
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DW_TAG_class_type = 0x02,
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DW_TAG_entry_point = 0x03,
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DW_TAG_enumeration_type = 0x04,
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DW_TAG_formal_parameter = 0x05,
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DW_TAG_imported_declaration = 0x08,
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DW_TAG_label = 0x0a,
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DW_TAG_lexical_block = 0x0b,
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DW_TAG_member = 0x0d,
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DW_TAG_pointer_type = 0x0f,
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DW_TAG_reference_type = 0x10,
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DW_TAG_compile_unit = 0x11,
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DW_TAG_string_type = 0x12,
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DW_TAG_structure_type = 0x13,
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DW_TAG_subroutine_type = 0x15,
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DW_TAG_typedef = 0x16,
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DW_TAG_union_type = 0x17,
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DW_TAG_unspecified_parameters = 0x18,
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DW_TAG_variant = 0x19,
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DW_TAG_common_block = 0x1a,
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DW_TAG_common_inclusion = 0x1b,
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DW_TAG_inheritance = 0x1c,
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DW_TAG_inlined_subroutine = 0x1d,
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DW_TAG_module = 0x1e,
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DW_TAG_ptr_to_member_type = 0x1f,
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DW_TAG_set_type = 0x20,
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DW_TAG_subrange_type = 0x21,
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DW_TAG_with_stmt = 0x22,
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DW_TAG_access_declaration = 0x23,
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DW_TAG_base_type = 0x24,
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DW_TAG_catch_block = 0x25,
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DW_TAG_const_type = 0x26,
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DW_TAG_constant = 0x27,
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DW_TAG_enumerator = 0x28,
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DW_TAG_file_type = 0x29,
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DW_TAG_friend = 0x2a,
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DW_TAG_namelist = 0x2b,
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DW_TAG_namelist_item = 0x2c,
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DW_TAG_packed_type = 0x2d,
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DW_TAG_subprogram = 0x2e,
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DW_TAG_template_type_parameter = 0x2f,
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DW_TAG_template_value_parameter = 0x30,
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DW_TAG_thrown_type = 0x31,
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DW_TAG_try_block = 0x32,
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DW_TAG_variant_part = 0x33,
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DW_TAG_variable = 0x34,
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DW_TAG_volatile_type = 0x35,
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DW_TAG_dwarf_procedure = 0x36,
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DW_TAG_restrict_type = 0x37,
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DW_TAG_interface_type = 0x38,
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DW_TAG_namespace = 0x39,
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DW_TAG_imported_module = 0x3a,
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DW_TAG_unspecified_type = 0x3b,
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DW_TAG_partial_unit = 0x3c,
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DW_TAG_imported_unit = 0x3d,
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DW_TAG_condition = 0x3f,
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DW_TAG_shared_type = 0x40,
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DW_TAG_lo_user = 0x4080,
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DW_TAG_hi_user = 0xffff,
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// Children flag
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DW_CHILDREN_no = 0x00,
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DW_CHILDREN_yes = 0x01,
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Attributes
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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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DW_AT_ordering = 0x09,
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DW_AT_byte_size = 0x0b,
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DW_AT_bit_offset = 0x0c,
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DW_AT_bit_size = 0x0d,
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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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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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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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DW_AT_producer = 0x25,
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DW_AT_prototyped = 0x27,
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DW_AT_return_addr = 0x2a,
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DW_AT_start_scope = 0x2c,
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DW_AT_bit_stride = 0x2e,
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DW_AT_upper_bound = 0x2f,
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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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DW_AT_macro_info = 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_lo_user = 0x2000,
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DW_AT_hi_user = 0x3fff,
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Attribute form encodings
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DW_FORM_addr = 0x01,
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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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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Operation encodings
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DW_OP_addr = 0x03,
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DW_OP_deref = 0x06,
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DW_OP_const1u = 0x08,
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DW_OP_const1s = 0x09,
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DW_OP_const2u = 0x0a,
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DW_OP_const2s = 0x0b,
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DW_OP_const4u = 0x0c,
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DW_OP_const4s = 0x0d,
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DW_OP_const8u = 0x0e,
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DW_OP_const8s = 0x0f,
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DW_OP_constu = 0x10,
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DW_OP_consts = 0x11,
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DW_OP_dup = 0x12,
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DW_OP_drop = 0x13,
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DW_OP_over = 0x14,
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DW_OP_pick = 0x15,
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DW_OP_swap = 0x16,
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DW_OP_rot = 0x17,
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DW_OP_xderef = 0x18,
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DW_OP_abs = 0x19,
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DW_OP_and = 0x1a,
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DW_OP_div = 0x1b,
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DW_OP_minus = 0x1c,
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DW_OP_mod = 0x1d,
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DW_OP_mul = 0x1e,
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DW_OP_neg = 0x1f,
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DW_OP_not = 0x20,
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DW_OP_or = 0x21,
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DW_OP_plus = 0x22,
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DW_OP_plus_uconst = 0x23,
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DW_OP_shl = 0x24,
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DW_OP_shr = 0x25,
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DW_OP_shra = 0x26,
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DW_OP_xor = 0x27,
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DW_OP_skip = 0x2f,
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DW_OP_bra = 0x28,
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DW_OP_eq = 0x29,
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DW_OP_ge = 0x2a,
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DW_OP_gt = 0x2b,
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DW_OP_le = 0x2c,
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DW_OP_lt = 0x2d,
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DW_OP_ne = 0x2e,
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DW_OP_lit0 = 0x30,
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DW_OP_lit1 = 0x31,
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DW_OP_lit31 = 0x4f,
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DW_OP_reg0 = 0x50,
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DW_OP_reg1 = 0x51,
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DW_OP_reg31 = 0x6f,
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DW_OP_breg0 = 0x70,
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DW_OP_breg1 = 0x71,
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DW_OP_breg31 = 0x8f,
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DW_OP_regx = 0x90,
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DW_OP_fbreg = 0x91,
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DW_OP_bregx = 0x92,
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DW_OP_piece = 0x93,
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DW_OP_deref_size = 0x94,
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DW_OP_xderef_size = 0x95,
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DW_OP_nop = 0x96,
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DW_OP_push_object_address = 0x97,
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DW_OP_call2 = 0x98,
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DW_OP_call4 = 0x99,
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DW_OP_call_ref = 0x9a,
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DW_OP_form_tls_address = 0x9b,
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DW_OP_call_frame_cfa = 0x9c,
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DW_OP_lo_user = 0xe0,
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DW_OP_hi_user = 0xff,
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Encoding attribute values
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DW_ATE_address = 0x01,
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DW_ATE_boolean = 0x02,
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DW_ATE_complex_float = 0x03,
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DW_ATE_float = 0x04,
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DW_ATE_signed = 0x05,
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DW_ATE_signed_char = 0x06,
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DW_ATE_unsigned = 0x07,
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DW_ATE_unsigned_char = 0x08,
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DW_ATE_imaginary_float = 0x09,
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DW_ATE_packed_decimal = 0x0a,
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DW_ATE_numeric_string = 0x0b,
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DW_ATE_edited = 0x0c,
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DW_ATE_signed_fixed = 0x0d,
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DW_ATE_unsigned_fixed = 0x0e,
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DW_ATE_decimal_float = 0x0f,
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DW_ATE_lo_user = 0x80,
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DW_ATE_hi_user = 0xff,
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Decimal sign attribute values
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DW_DS_unsigned = 0x01,
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DW_DS_leading_overpunch = 0x02,
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DW_DS_trailing_overpunch = 0x03,
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DW_DS_leading_separate = 0x04,
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DW_DS_trailing_separate = 0x05,
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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// Endianity attribute values
|
|
|
|
DW_END_default = 0x00,
|
|
|
|
DW_END_big = 0x01,
|
|
|
|
DW_END_little = 0x02,
|
|
|
|
DW_END_lo_user = 0x40,
|
|
|
|
DW_END_hi_user = 0xff,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Accessibility codes
|
|
|
|
DW_ACCESS_public = 0x01,
|
|
|
|
DW_ACCESS_protected = 0x02,
|
|
|
|
DW_ACCESS_private = 0x03,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Visibility codes
|
|
|
|
DW_VIS_local = 0x01,
|
|
|
|
DW_VIS_exported = 0x02,
|
|
|
|
DW_VIS_qualified = 0x03,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Virtuality codes
|
|
|
|
DW_VIRTUALITY_none = 0x00,
|
|
|
|
DW_VIRTUALITY_virtual = 0x01,
|
|
|
|
DW_VIRTUALITY_pure_virtual = 0x02,
|
|
|
|
|
|
|
|
// Language names
|
|
|
|
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,
|
|
|
|
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,
|
|
|
|
DW_LANG_lo_user = 0x8000,
|
|
|
|
DW_LANG_hi_user = 0xffff,
|
|
|
|
|
|
|
|
// Identifier case codes
|
|
|
|
DW_ID_case_sensitive = 0x00,
|
|
|
|
DW_ID_up_case = 0x01,
|
|
|
|
DW_ID_down_case = 0x02,
|
|
|
|
DW_ID_case_insensitive = 0x03,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Calling convention codes
|
|
|
|
DW_CC_normal = 0x01,
|
|
|
|
DW_CC_program = 0x02,
|
|
|
|
DW_CC_nocall = 0x03,
|
|
|
|
DW_CC_lo_user = 0x40,
|
|
|
|
DW_CC_hi_user = 0xff,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Inline codes
|
|
|
|
DW_INL_not_inlined = 0x00,
|
|
|
|
DW_INL_inlined = 0x01,
|
|
|
|
DW_INL_declared_not_inlined = 0x02,
|
|
|
|
DW_INL_declared_inlined = 0x03,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Array ordering
|
|
|
|
DW_ORD_row_major = 0x00,
|
|
|
|
DW_ORD_col_major = 0x01,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Discriminant descriptor values
|
|
|
|
DW_DSC_label = 0x00,
|
|
|
|
DW_DSC_range = 0x01,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Line Number Standard Opcode Encodings
|
|
|
|
DW_LNS_copy = 0x01,
|
|
|
|
DW_LNS_advance_pc = 0x02,
|
|
|
|
DW_LNS_advance_line = 0x03,
|
|
|
|
DW_LNS_set_file = 0x04,
|
|
|
|
DW_LNS_set_column = 0x05,
|
|
|
|
DW_LNS_negate_stmt = 0x06,
|
|
|
|
DW_LNS_set_basic_block = 0x07,
|
|
|
|
DW_LNS_const_add_pc = 0x08,
|
|
|
|
DW_LNS_fixed_advance_pc = 0x09,
|
|
|
|
DW_LNS_set_prologue_end = 0x0a,
|
|
|
|
DW_LNS_set_epilogue_begin = 0x0b,
|
|
|
|
DW_LNS_set_isa = 0x0c,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Line Number Extended Opcode Encodings
|
|
|
|
DW_LNE_end_sequence = 0x01,
|
|
|
|
DW_LNE_set_address = 0x02,
|
|
|
|
DW_LNE_define_file = 0x03,
|
|
|
|
DW_LNE_lo_user = 0x80,
|
|
|
|
DW_LNE_hi_user = 0xff,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Macinfo Type Encodings
|
|
|
|
DW_MACINFO_define = 0x01,
|
|
|
|
DW_MACINFO_undef = 0x02,
|
|
|
|
DW_MACINFO_start_file = 0x03,
|
|
|
|
DW_MACINFO_end_file = 0x04,
|
|
|
|
DW_MACINFO_vendor_ext = 0xff,
|
2005-12-21 19:44:40 +00:00
|
|
|
|
2005-12-21 19:46:32 +00:00
|
|
|
// Call frame instruction encodings
|
|
|
|
DW_CFA_advance_loc = 0x40,
|
|
|
|
DW_CFA_offset = 0x80,
|
|
|
|
DW_CFA_restore = 0xc0,
|
|
|
|
DW_CFA_set_loc = 0x01,
|
|
|
|
DW_CFA_advance_loc1 = 0x02,
|
|
|
|
DW_CFA_advance_loc2 = 0x03,
|
|
|
|
DW_CFA_advance_loc4 = 0x04,
|
|
|
|
DW_CFA_offset_extended = 0x05,
|
|
|
|
DW_CFA_restore_extended = 0x06,
|
|
|
|
DW_CFA_undefined = 0x07,
|
|
|
|
DW_CFA_same_value = 0x08,
|
|
|
|
DW_CFA_register = 0x09,
|
|
|
|
DW_CFA_remember_state = 0x0a,
|
|
|
|
DW_CFA_restore_state = 0x0b,
|
|
|
|
DW_CFA_def_cfa = 0x0c,
|
|
|
|
DW_CFA_def_cfa_register = 0x0d,
|
|
|
|
DW_CFA_def_cfa_offset = 0x0e,
|
|
|
|
DW_CFA_def_cfa_expression = 0x0f,
|
|
|
|
DW_CFA_expression = 0x10,
|
|
|
|
DW_CFA_offset_extended_sf = 0x11,
|
|
|
|
DW_CFA_def_cfa_sf = 0x12,
|
|
|
|
DW_CFA_def_cfa_offset_sf = 0x13,
|
|
|
|
DW_CFA_val_offset = 0x14,
|
|
|
|
DW_CFA_val_offset_sf = 0x15,
|
|
|
|
DW_CFA_val_expression = 0x16,
|
|
|
|
DW_CFA_lo_user = 0x1c,
|
|
|
|
DW_CFA_hi_user = 0x3f
|
|
|
|
};
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DWLabel - Labels are used to track locations in the assembler file.
|
|
|
|
// Labels appear in the form <prefix>debug_<Tag><Number>, where the tag is a
|
|
|
|
// category of label (Ex. location) and number is a value unique in that
|
|
|
|
// category.
|
|
|
|
struct DWLabel {
|
|
|
|
const char *Tag; // Label category tag. Should always be
|
|
|
|
// a staticly declared C string.
|
|
|
|
unsigned Number; // Unique number
|
|
|
|
|
|
|
|
DWLabel() : Tag(NULL), Number(0) {}
|
|
|
|
DWLabel(const char *T, unsigned N) : Tag(T), Number(N) {}
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIEAbbrev - Dwarf abbreviation, describes the organization of a debug
|
|
|
|
// information object.
|
|
|
|
//
|
|
|
|
class DIEAbbrev {
|
|
|
|
private:
|
|
|
|
const unsigned char *Data; // Static array of bytes containing the
|
|
|
|
// image of the raw abbreviation data.
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
DIEAbbrev(const unsigned char *D)
|
|
|
|
: Data(D)
|
|
|
|
{}
|
|
|
|
|
|
|
|
/// operator== - Used by UniqueVector to locate entry.
|
|
|
|
///
|
|
|
|
bool operator==(const DIEAbbrev &DA) const {
|
|
|
|
return Data == DA.Data;
|
|
|
|
}
|
|
|
|
|
|
|
|
/// operator< - Used by UniqueVector to locate entry.
|
|
|
|
///
|
|
|
|
bool operator<(const DIEAbbrev &DA) const {
|
|
|
|
return Data < DA.Data;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Accessors
|
|
|
|
unsigned getTag() const { return Data[0]; }
|
|
|
|
unsigned getChildrenFlag() const { return Data[1]; }
|
|
|
|
unsigned getAttribute(unsigned i) const { return Data[2 + 2 * i + 0]; }
|
|
|
|
unsigned getForm(unsigned i) const { return Data[2 + 2 * i + 1]; }
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIEValue - A debug information entry value.
|
|
|
|
//
|
|
|
|
class DwarfWriter;
|
|
|
|
class DIEValue {
|
|
|
|
public:
|
|
|
|
enum {
|
|
|
|
isInteger,
|
|
|
|
isString,
|
|
|
|
isLabel,
|
|
|
|
isDelta
|
|
|
|
};
|
|
|
|
|
|
|
|
unsigned Type; // Type of the value
|
|
|
|
|
|
|
|
DIEValue(unsigned T) : Type(T) {}
|
|
|
|
virtual ~DIEValue() {}
|
|
|
|
|
|
|
|
// Implement isa/cast/dyncast.
|
|
|
|
static bool classof(const DIEValue *) { return true; }
|
|
|
|
|
|
|
|
/// EmitValue - Emit value via the Dwarf writer.
|
|
|
|
///
|
|
|
|
virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const = 0;
|
|
|
|
|
|
|
|
/// SizeOf - Return the size of a value in bytes.
|
|
|
|
///
|
|
|
|
virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const = 0;
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DWInteger - An integer value DIE.
|
|
|
|
//
|
|
|
|
class DIEInteger : public DIEValue {
|
|
|
|
private:
|
|
|
|
int Value;
|
|
|
|
|
|
|
|
public:
|
|
|
|
DIEInteger(int V) : DIEValue(isInteger), Value(V) {}
|
|
|
|
|
|
|
|
// Implement isa/cast/dyncast.
|
|
|
|
static bool classof(const DIEInteger *) { return true; }
|
|
|
|
static bool classof(const DIEValue *V) { return V->Type == isInteger; }
|
|
|
|
|
|
|
|
/// EmitValue - Emit integer of appropriate size.
|
|
|
|
///
|
|
|
|
virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
|
|
|
|
/// SizeOf - Determine size of integer value in bytes.
|
|
|
|
///
|
|
|
|
virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIEString - A string value DIE.
|
|
|
|
//
|
|
|
|
struct DIEString : public DIEValue {
|
|
|
|
const std::string Value;
|
|
|
|
|
|
|
|
DIEString(const std::string &V) : DIEValue(isString), Value(V) {}
|
|
|
|
|
|
|
|
// Implement isa/cast/dyncast.
|
|
|
|
static bool classof(const DIEString *) { return true; }
|
|
|
|
static bool classof(const DIEValue *V) { return V->Type == isString; }
|
|
|
|
|
|
|
|
/// EmitValue - Emit string value.
|
|
|
|
///
|
|
|
|
virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
|
|
|
|
/// SizeOf - Determine size of string value in bytes.
|
|
|
|
///
|
|
|
|
virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIELabel - A simple label expression DIE.
|
|
|
|
//
|
|
|
|
struct DIELabel : public DIEValue {
|
|
|
|
const DWLabel Value;
|
|
|
|
|
2006-01-17 19:12:24 +00:00
|
|
|
DIELabel(const DWLabel &V) : DIEValue(isLabel), Value(V) {}
|
2006-01-17 17:31:53 +00:00
|
|
|
|
|
|
|
// Implement isa/cast/dyncast.
|
|
|
|
static bool classof(const DWLabel *) { return true; }
|
|
|
|
static bool classof(const DIEValue *V) { return V->Type == isLabel; }
|
|
|
|
|
|
|
|
/// EmitValue - Emit label value.
|
|
|
|
///
|
|
|
|
virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
|
|
|
|
/// SizeOf - Determine size of label value in bytes.
|
|
|
|
///
|
|
|
|
virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIEDelta - A simple label difference DIE.
|
|
|
|
//
|
|
|
|
struct DIEDelta : public DIEValue {
|
|
|
|
const DWLabel Value1;
|
|
|
|
const DWLabel Value2;
|
|
|
|
|
|
|
|
DIEDelta(const DWLabel &V1, const DWLabel &V2)
|
2006-01-17 19:12:24 +00:00
|
|
|
: DIEValue(isDelta), Value1(V1), Value2(V2) {}
|
2006-01-17 17:31:53 +00:00
|
|
|
|
|
|
|
// Implement isa/cast/dyncast.
|
|
|
|
static bool classof(const DIEDelta *) { return true; }
|
|
|
|
static bool classof(const DIEValue *V) { return V->Type == isDelta; }
|
|
|
|
|
|
|
|
/// EmitValue - Emit delta value.
|
|
|
|
///
|
|
|
|
virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
|
|
|
|
/// SizeOf - Determine size of delta value in bytes.
|
|
|
|
///
|
|
|
|
virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const;
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// DIE - A structured debug information entry. Has an abbreviation which
|
|
|
|
// describes it's organization.
|
|
|
|
class DIE {
|
|
|
|
private:
|
|
|
|
unsigned AbbrevID; // Decribing abbreviation ID.
|
|
|
|
unsigned Offset; // Offset in debug info section
|
|
|
|
unsigned Size; // Size of instance + children
|
|
|
|
std::vector<DIE *> Children; // Children DIEs
|
|
|
|
std::vector<DIEValue *> Values; // Attributes values
|
|
|
|
|
|
|
|
public:
|
|
|
|
DIE(unsigned AbbrevID)
|
|
|
|
: AbbrevID(AbbrevID)
|
|
|
|
, Offset(0)
|
|
|
|
, Size(0)
|
|
|
|
, Children()
|
|
|
|
, Values()
|
|
|
|
{}
|
2006-01-17 19:12:24 +00:00
|
|
|
~DIE() {
|
|
|
|
for (unsigned i = 0, N = Children.size(); i < N; i++) {
|
|
|
|
delete Children[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
for (unsigned j = 0, M = Children.size(); j < M; j++) {
|
|
|
|
delete Children[j];
|
|
|
|
}
|
2006-01-17 17:31:53 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Accessors
|
|
|
|
unsigned getAbbrevID() const { return AbbrevID; }
|
|
|
|
unsigned getOffset() const { return Offset; }
|
|
|
|
unsigned getSize() const { return Size; }
|
|
|
|
const std::vector<DIE *> &getChildren() const { return Children; }
|
|
|
|
const std::vector<DIEValue *> &getValues() const { return Values; }
|
|
|
|
void setOffset(unsigned O) { Offset = O; }
|
|
|
|
void setSize(unsigned S) { Size = S; }
|
|
|
|
|
|
|
|
/// AddValue - Add an attribute value of appropriate type.
|
|
|
|
///
|
|
|
|
void AddValue(int Value) {
|
|
|
|
Values.push_back(new DIEInteger(Value));
|
|
|
|
}
|
|
|
|
void AddValue(const std::string &Value) {
|
|
|
|
Values.push_back(new DIEString(Value));
|
|
|
|
}
|
|
|
|
void AddValue(const DWLabel &Value) {
|
|
|
|
Values.push_back(new DIELabel(Value));
|
|
|
|
}
|
|
|
|
void AddValue(const DWLabel &Value1, const DWLabel &Value2) {
|
|
|
|
Values.push_back(new DIEDelta(Value1, Value2));
|
|
|
|
}
|
|
|
|
|
|
|
|
/// SiblingOffset - Return the offset of the debug information entry's
|
|
|
|
/// sibling.
|
|
|
|
unsigned SiblingOffset() const { return Offset + Size; }
|
|
|
|
};
|
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
2006-01-04 13:52:30 +00:00
|
|
|
// Forward declarations.
|
|
|
|
//
|
|
|
|
class AsmPrinter;
|
2006-01-04 22:28:25 +00:00
|
|
|
class MachineDebugInfo;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
2006-01-17 17:31:53 +00:00
|
|
|
// DwarfWriter - emits Dwarf debug and exception handling directives.
|
2006-01-04 13:52:30 +00:00
|
|
|
//
|
|
|
|
class DwarfWriter {
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
//===------------------------------------------------------------------===//
|
|
|
|
// Core attributes used by the Dwarf writer.
|
|
|
|
//
|
|
|
|
|
|
|
|
//
|
2006-01-04 13:52:30 +00:00
|
|
|
/// O - Stream to .s file.
|
|
|
|
///
|
|
|
|
std::ostream &O;
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// Asm - Target of Dwarf emission.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
|
|
|
AsmPrinter *Asm;
|
|
|
|
|
|
|
|
/// DebugInfo - Collected debug information.
|
|
|
|
///
|
2006-01-04 22:28:25 +00:00
|
|
|
MachineDebugInfo *DebugInfo;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-04 22:28:25 +00:00
|
|
|
/// didInitial - Flag to indicate if initial emission has been done.
|
|
|
|
///
|
|
|
|
bool didInitial;
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
//===------------------------------------------------------------------===//
|
|
|
|
// Attributes used to construct specific Dwarf sections.
|
|
|
|
//
|
|
|
|
|
|
|
|
/// CompileUnits - All the compile units involved in this build. The index
|
|
|
|
/// of each entry in this vector corresponds to the sources in DebugInfo.
|
|
|
|
std::vector<DIE *> CompileUnits;
|
|
|
|
|
|
|
|
/// Abbreviations - A UniqueVector of TAG structure abbreviations.
|
|
|
|
///
|
|
|
|
UniqueVector<DIEAbbrev> Abbreviations;
|
|
|
|
|
2006-01-04 22:28:25 +00:00
|
|
|
//===------------------------------------------------------------------===//
|
|
|
|
// Properties to be set by the derived class ctor, used to configure the
|
2006-01-17 17:31:53 +00:00
|
|
|
// Dwarf writer.
|
|
|
|
//
|
|
|
|
|
|
|
|
/// AddressSize - Size of addresses used in file.
|
|
|
|
///
|
|
|
|
unsigned AddressSize;
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-04 13:52:30 +00:00
|
|
|
/// hasLEB128 - True if target asm supports leb128 directives.
|
|
|
|
///
|
|
|
|
bool hasLEB128; /// Defaults to false.
|
|
|
|
|
2006-01-04 22:28:25 +00:00
|
|
|
/// hasDotLoc - True if target asm supports .loc directives.
|
|
|
|
///
|
|
|
|
bool hasDotLoc; /// Defaults to false.
|
|
|
|
|
|
|
|
/// hasDotFile - True if target asm supports .file directives.
|
|
|
|
///
|
|
|
|
bool hasDotFile; /// Defaults to false.
|
|
|
|
|
2006-01-04 13:52:30 +00:00
|
|
|
/// needsSet - True if target asm can't compute addresses on data
|
|
|
|
/// directives.
|
|
|
|
bool needsSet; /// Defaults to false.
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// DwarfAbbrevSection - Section directive for Dwarf abbrev.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
|
|
|
const char *DwarfAbbrevSection; /// Defaults to ".debug_abbrev".
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// DwarfInfoSection - Section directive for Dwarf info.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
|
|
|
const char *DwarfInfoSection; /// Defaults to ".debug_info".
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// DwarfLineSection - Section directive for Dwarf info.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
|
|
|
const char *DwarfLineSection; /// Defaults to ".debug_line".
|
2006-01-17 17:31:53 +00:00
|
|
|
|
2006-01-17 20:41:40 +00:00
|
|
|
/// DwarfFrameSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfFrameSection; /// Defaults to ".debug_frame".
|
|
|
|
|
|
|
|
/// DwarfPubNamesSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfPubNamesSection; /// Defaults to ".debug_pubnames".
|
|
|
|
|
|
|
|
/// DwarfPubTypesSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfPubTypesSection; /// Defaults to ".debug_pubtypes".
|
|
|
|
|
|
|
|
/// DwarfStrSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfStrSection; /// Defaults to ".debug_str".
|
|
|
|
|
|
|
|
/// DwarfLocSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfLocSection; /// Defaults to ".debug_loc".
|
|
|
|
|
|
|
|
/// DwarfARangesSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfARangesSection; /// Defaults to ".debug_aranges".
|
|
|
|
|
|
|
|
/// DwarfRangesSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfRangesSection; /// Defaults to ".debug_ranges".
|
|
|
|
|
|
|
|
/// DwarfMacInfoSection - Section directive for Dwarf info.
|
|
|
|
///
|
|
|
|
const char *DwarfMacInfoSection; /// Defaults to ".debug_macinfo".
|
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// TextSection - Section directive for standard text.
|
|
|
|
///
|
|
|
|
const char *TextSection; /// Defaults to ".text".
|
|
|
|
|
|
|
|
/// DataSection - Section directive for standard data.
|
|
|
|
///
|
|
|
|
const char *DataSection; /// Defaults to ".data".
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-04 22:28:25 +00:00
|
|
|
//===------------------------------------------------------------------===//
|
2006-01-17 17:31:53 +00:00
|
|
|
// Emission and print routines
|
|
|
|
//
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
public:
|
|
|
|
/// getAddressSize - Return the size of a target address in bytes.
|
|
|
|
///
|
|
|
|
unsigned getAddressSize() const { return AddressSize; }
|
|
|
|
|
|
|
|
/// PrintHex - Print a value as a hexidecimal value.
|
|
|
|
///
|
|
|
|
void PrintHex(int Value) const;
|
|
|
|
|
|
|
|
/// EOL - Print a newline character to asm stream. If a comment is present
|
|
|
|
/// then it will be printed first. Comments should not contain '\n'.
|
|
|
|
void EOL(const std::string &Comment) const;
|
|
|
|
|
|
|
|
/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
|
|
|
|
/// unsigned leb128 value.
|
|
|
|
void EmitULEB128Bytes(unsigned Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitSLEB128Bytes - print an assembler byte data directive to compose a
|
|
|
|
/// signed leb128 value.
|
|
|
|
void EmitSLEB128Bytes(int Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// PrintULEB128 - Print a series of hexidecimal values (separated by
|
|
|
|
/// commas) representing an unsigned leb128 value.
|
|
|
|
void PrintULEB128(unsigned Value) const;
|
|
|
|
|
|
|
|
/// SizeULEB128 - Compute the number of bytes required for an unsigned
|
|
|
|
/// leb128 value.
|
|
|
|
static unsigned SizeULEB128(unsigned Value);
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// PrintSLEB128 - Print a series of hexidecimal values (separated by
|
|
|
|
/// commas) representing a signed leb128 value.
|
|
|
|
void PrintSLEB128(int Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// SizeSLEB128 - Compute the number of bytes required for a signed leb128
|
|
|
|
/// value.
|
|
|
|
static unsigned SizeSLEB128(int Value);
|
|
|
|
|
|
|
|
/// EmitByte - Emit a byte directive and value.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitByte(int Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitShort - Emit a short directive and value.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitShort(int Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitLong - Emit a long directive and value.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitLong(int Value) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitString - Emit a string with quotes and a null terminator.
|
|
|
|
/// Special characters are emitted properly. (Eg. '\t')
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitString(const std::string &String) const;
|
2006-01-17 17:31:53 +00:00
|
|
|
|
|
|
|
/// PrintLabelName - Print label name in form used by Dwarf writer.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void PrintLabelName(DWLabel Label) const {
|
|
|
|
PrintLabelName(Label.Tag, Label.Number);
|
|
|
|
}
|
|
|
|
void PrintLabelName(const char *Tag, unsigned Number) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitLabel - Emit location label for internal use by Dwarf.
|
2006-01-04 13:52:30 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitLabel(DWLabel Label) const {
|
|
|
|
EmitLabel(Label.Tag, Label.Number);
|
|
|
|
}
|
|
|
|
void EmitLabel(const char *Tag, unsigned Number) const;
|
2006-01-04 13:52:30 +00:00
|
|
|
|
2006-01-18 16:54:26 +00:00
|
|
|
/// EmitReference - Emit a reference to a label.
|
2006-01-17 17:31:53 +00:00
|
|
|
///
|
2006-01-18 16:54:26 +00:00
|
|
|
void EmitReference(DWLabel Label) const {
|
|
|
|
EmitReference(Label.Tag, Label.Number);
|
2006-01-17 17:31:53 +00:00
|
|
|
}
|
2006-01-18 16:54:26 +00:00
|
|
|
void EmitReference(const char *Tag, unsigned Number) const;
|
2006-01-17 17:31:53 +00:00
|
|
|
|
|
|
|
/// EmitDifference - Emit the difference between two labels. Some
|
|
|
|
/// assemblers do not behave with absolute expressions with data directives,
|
|
|
|
/// so there is an option (needsSet) to use an intermediary set expression.
|
|
|
|
void EmitDifference(DWLabel Label1, DWLabel Label2) const {
|
|
|
|
EmitDifference(Label1.Tag, Label1.Number, Label2.Tag, Label2.Number);
|
|
|
|
}
|
|
|
|
void EmitDifference(const char *Tag1, unsigned Number1,
|
|
|
|
const char *Tag2, unsigned Number2) const;
|
|
|
|
|
|
|
|
private:
|
|
|
|
/// NewDIE - Construct a new structured debug information entry.
|
|
|
|
///
|
|
|
|
DIE *NewDIE(const unsigned char *AbbrevData);
|
|
|
|
|
|
|
|
/// NewCompileUnit - Create new compile unit information.
|
|
|
|
///
|
|
|
|
DIE *NewCompileUnit(const std::string &Directory,
|
|
|
|
const std::string &SourceName);
|
|
|
|
|
|
|
|
/// EmitInitial - Emit initial Dwarf declarations.
|
2006-01-04 22:28:25 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitInitial() const;
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitDIE - Recusively Emits a debug information entry.
|
2006-01-04 22:28:25 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
void EmitDIE(DIE *Die) const;
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// SizeAndOffsetDie - Compute the size and offset of a DIE.
|
2006-01-04 22:28:25 +00:00
|
|
|
///
|
2006-01-17 17:31:53 +00:00
|
|
|
unsigned SizeAndOffsetDie(DIE *Die, unsigned Offset) const;
|
|
|
|
|
|
|
|
/// SizeAndOffsets - Compute the size and offset of all the DIEs.
|
|
|
|
///
|
|
|
|
void SizeAndOffsets();
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EmitDebugInfo - Emit the debug info section.
|
|
|
|
///
|
|
|
|
void EmitDebugInfo() const;
|
|
|
|
|
|
|
|
/// EmitAbbreviations - Emit the abbreviation section.
|
|
|
|
///
|
|
|
|
void EmitAbbreviations() const;
|
|
|
|
|
|
|
|
/// EmitDebugLines - Emit source line information.
|
|
|
|
///
|
|
|
|
void EmitDebugLines() const;
|
|
|
|
|
2006-01-17 20:41:40 +00:00
|
|
|
/// EmitDebugFrame - Emit info into a debug frame section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugFrame();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugPubNames - Emit info into a debug pubnames section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugPubNames();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugPubTypes - Emit info into a debug pubtypes section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugPubTypes();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugStr - Emit info into a debug str section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugStr();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugLoc - Emit info into a debug loc section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugLoc();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugARanges - Emit info into a debug aranges section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugARanges();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugRanges - Emit info into a debug ranges section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugRanges();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
|
|
|
/// EmitDebugMacInfo - Emit info into a debug macinfo section.
|
|
|
|
///
|
2006-01-17 21:39:39 +00:00
|
|
|
void EmitDebugMacInfo();
|
2006-01-17 20:41:40 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// ShouldEmitDwarf - Returns true if Dwarf declarations should be made.
|
2006-01-05 01:25:28 +00:00
|
|
|
/// When called it also checks to see if debug info is newly available. if
|
2006-01-17 17:31:53 +00:00
|
|
|
/// so the initial Dwarf headers are emitted.
|
2006-01-04 22:28:25 +00:00
|
|
|
bool ShouldEmitDwarf();
|
2006-01-17 17:31:53 +00:00
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
DwarfWriter(std::ostream &o, AsmPrinter *ap);
|
|
|
|
virtual ~DwarfWriter();
|
|
|
|
|
|
|
|
/// SetDebugInfo - Set DebugInfo when it's known that pass manager has
|
|
|
|
/// created it. Set by the target AsmPrinter.
|
|
|
|
void SetDebugInfo(MachineDebugInfo *di) { DebugInfo = di; }
|
|
|
|
|
|
|
|
//===------------------------------------------------------------------===//
|
|
|
|
// Main enties.
|
|
|
|
//
|
|
|
|
|
|
|
|
/// BeginModule - Emit all Dwarf sections that should come prior to the
|
2006-01-04 22:28:25 +00:00
|
|
|
/// content.
|
2006-01-04 13:52:30 +00:00
|
|
|
void BeginModule();
|
2006-01-04 22:28:25 +00:00
|
|
|
|
2006-01-17 17:31:53 +00:00
|
|
|
/// EndModule - Emit all Dwarf sections that should come after the content.
|
2006-01-04 22:28:25 +00:00
|
|
|
///
|
2006-01-04 13:52:30 +00:00
|
|
|
void EndModule();
|
|
|
|
|
2006-01-18 16:54:26 +00:00
|
|
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/// BeginFunction - Gather pre-function debug information.
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2006-01-04 22:28:25 +00:00
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///
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2006-01-04 13:52:30 +00:00
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void BeginFunction();
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2006-01-04 22:28:25 +00:00
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2006-01-18 16:54:26 +00:00
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/// EndFunction - Gather and emit post-function debug information.
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2006-01-04 22:28:25 +00:00
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///
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2006-01-04 13:52:30 +00:00
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void EndFunction();
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};
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2005-12-21 19:44:40 +00:00
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2005-12-21 19:46:32 +00:00
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} // end llvm namespace
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2005-12-21 19:44:40 +00:00
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2005-12-22 01:40:06 +00:00
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#endif
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