// Copyright (c) Epic Games Tools // Licensed under the MIT license (https://opensource.org/license/mit/) #define dw_indent() do { indent += 1; } while (0) #define dw_unindent() do { indent -= 1; } while (0) #define dw_print(string) dw_print_ (arena, strings, indent, string) #define dw_printf(...) dw_printf_(arena, strings, indent, __VA_ARGS__) static char g_spaces[] = " "; internal void dw_print_(Arena *arena, String8List *out, int indent, String8 string) { Temp scratch = scratch_begin(&arena, 1); str8_list_pushf(arena, out, "%.*s%S", Min(indent * 2, sizeof(g_spaces)), g_spaces, string); scratch_end(scratch); } internal void dw_printf_(Arena *arena, String8List *out, int indent, char *fmt, ...) { Temp scratch = scratch_begin(&arena, 1); va_list args; va_start(args, fmt); String8 string = push_str8fv(scratch.arena, fmt, args); dw_print_(arena, out, indent, string); va_end(args); scratch_end(scratch); } internal Rng1U64Array dw_get_info_ranges(DW_Dumper *dumper) { if (!(dumper->cache_flags & DW_DumperCacheFlag_InfoRanges)) { dumper->cache.info_ranges = dw_unit_ranges_from_data_arr(dumper->arena, dumper->input->sec[DW_Section_Info].data); } return dumper->cache.info_ranges; } internal DW_CompUnit * dw_get_cu_arr(DW_Dumper *dumper) { if (!(dumper->cache_flags & DW_DumperCacheFlag_CuArr)) { Rng1U64Array info_ranges = dw_get_info_ranges(dumper); DW_ListUnitInput lu_input = dw_list_unit_input_from_input(dumper->arena, dumper->input); dumper->cache.cu_arr = push_array(dumper->arena, DW_CompUnit, info_ranges.count); for EachIndex(cu_idx, info_ranges.count) { dumper->cache.cu_arr[cu_idx] = dw_cu_from_info_off(dumper->arena, dumper->input, lu_input, info_ranges.v[cu_idx].min, dumper->is_relaxed); } } return dumper->cache.cu_arr; } internal HashTable * dw_get_line_vm_map(DW_Dumper *dumper) { if (!(dumper->cache_flags & DW_DumperCacheFlag_LineVmMap)) { Rng1U64Array unit_ranges = dw_unit_ranges_from_data_arr(dumper->arena, dumper->input->sec[DW_Section_Line].data); dumper->cache.line_vm_map = hash_table_init(dumper->arena, unit_ranges.count * 2); } return dumper->cache.line_vm_map; } internal DW_TagTree * dw_get_tag_trees(DW_Dumper *dumper) { if (!(dumper->cache_flags & DW_DumperCacheFlag_TagTrees)) { Rng1U64Array info_ranges = dw_get_info_ranges(dumper); DW_CompUnit *cu_arr = dw_get_cu_arr(dumper); dumper->cache.tag_trees = push_array(dumper->arena, DW_TagTree, info_ranges.count); for EachIndex(cu_idx, info_ranges.count) { dumper->cache.tag_trees[cu_idx] = dw_tag_tree_from_cu(dumper->arena, dumper->input, &cu_arr[cu_idx]); } } return dumper->cache.tag_trees; } //////////////////////////////// //~ rjf: Stringification Helpers internal String8List dw_string_list_from_cfi_program(Arena *arena, U64 cu_base, Arch arch, DW_Version ver, DW_Ext ext, DW_Format format, U64 pc_begin, DW_CIE *cie, DW_DecodePtr *decode_ptr_func, void *deocde_ptr_ud, String8 program) { Temp scratch = scratch_begin(&arena, 1); String8List list = {0}; U64 reg_max = dw_reg_count_from_arch(arch); U64 pc = pc_begin; for (U64 cursor = 0, inst_size; cursor < program.size; cursor += inst_size) { // unpack instruction DW_CFA_Inst inst = {0}; DW_CFA_ParseErrorCode error_code = dw_parse_cfa_inst(str8_skip(program, cursor), cie->code_align_factor, cie->data_align_factor, 0, 0, &inst_size, &inst); if (error_code == DW_CFA_ParseErrorCode_End) { break; } if (error_code != DW_CFA_ParseErrorCode_NewInst) { str8_list_pushf(arena, &list, "ERROR: failed to unpack CFA instruction @ 0x%I64", cursor); break; } // error check operands DW_CFA_OperandType *operand_types = dw_operand_types_from_cfa_op(inst.opcode); U64 operand_count = dw_operand_count_from_cfa_opcode(inst.opcode); for EachIndex(operand_idx, operand_count) { switch (operand_types[operand_idx]) { case DW_CFA_OperandType_Null: break; case DW_CFA_OperandType_Value: break; case DW_CFA_OperandType_Register: { if (inst.operands[operand_idx].u64 >= reg_max) { str8_list_pushf(arena, &list, "ERROR: DW_CFA_%S @ 0x%I64x has an invalid register", dw_string_from_cfa_opcode(inst.opcode), cursor); } } break; case DW_CFA_OperandType_Expression: { DW_Expr expr = dw_expr_from_data(scratch.arena, format, cie->address_size, inst.operands[operand_idx].block); for EachNode(inst, DW_ExprInst, expr.first) { if (dw_is_cfa_expr_opcode_invalid(inst->opcode)) { String8 expr_opcode_str = dw_string_from_expr_op(scratch.arena, ver, ext, inst->opcode); str8_list_pushf(arena, &list, "ERROR: Exrepssion in DW_CFA_%S @ 0x%I64x has an invalid opcode DW_ExprOp_%S", expr_opcode_str); } } } break; default: { InvalidPath; } break; } } // format operands String8 operand_str = str8_lit("???"); switch (inst.opcode) { case DW_CFA_Nop: { operand_str = str8_zero(); } break; case DW_CFA_SetLoc: { operand_str = str8f(arena, "0x%X", inst.operands[0].u64); pc = inst.operands[0].u64; } break; case DW_CFA_AdvanceLoc1: { U64 delta = inst.operands[0].u64; pc += delta; operand_str = str8f(arena, "%+u `PC 0x%I64x`", delta, pc); } break; case DW_CFA_AdvanceLoc2: { U64 delta = inst.operands[0].u64; pc += delta; operand_str = str8f(arena, "%+u `PC 0x%I64x`", delta, pc); } break; case DW_CFA_AdvanceLoc4: { U64 delta = inst.operands[0].u64; pc += delta; operand_str = str8f(arena, "%+u `PC 0x%I64x`", delta, pc); } break; case DW_CFA_OffsetExt: { U64 reg = inst.operands[0].u64; S64 offset = (S64)inst.operands[1].u64; operand_str = dw_string_from_reg_off(arena, arch, reg, offset); } break; case DW_CFA_RestoreExt: { operand_str = str8_zero(); } break; case DW_CFA_Undefined: { operand_str = str8f(arena, "%I64u", inst.operands[0].u64); } break; case DW_CFA_SameValue: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, 0); } break; case DW_CFA_Register: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, inst.operands[1].u64); } break; case DW_CFA_RememberState: { operand_str = str8_zero(); } break; case DW_CFA_RestoreState: { operand_str = str8_zero(); } break; case DW_CFA_DefCfa: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, inst.operands[1].u64); } break; case DW_CFA_DefCfaRegister: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, 0); } break; case DW_CFA_DefCfaOffset: { operand_str = str8f(arena, "+%I64u", inst.operands[0].u64); } break; case DW_CFA_DefCfaExpr: { operand_str = dw_string_from_expression(arena, inst.operands[0].block, cu_base, cie->address_size, arch, ver, ext, format); } break; case DW_CFA_Expr: { String8 reg_str = dw_string_from_reg_off(scratch.arena, arch, inst.operands[0].u64, 0); String8 expr_str = dw_string_from_expression(scratch.arena, inst.operands[1].block, cu_base, cie->address_size, arch, ver, ext, format); operand_str = str8f(arena, "%S expression %S", reg_str, expr_str); } break; case DW_CFA_OffsetExtSf: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, inst.operands[1].s64); } break; case DW_CFA_DefCfaSf: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, inst.operands[1].s64); } break; case DW_CFA_DefCfaOffsetSf: { operand_str = str8_zero(); } break; case DW_CFA_ValOffset: { operand_str = str8f(arena, "value 0x%I64x, offset %+I64d", inst.operands[0].u64, inst.operands[1].u64); } break; case DW_CFA_ValOffsetSf: { operand_str = str8f(arena, "value %I64u, offset %+I64d", inst.operands[0].u64, inst.operands[1].s64); } break; case DW_CFA_ValExpr: { String8 expr_str = dw_string_from_expression(scratch.arena, inst.operands[1].block, cu_base, cie->address_size, arch, ver, ext, format); operand_str = str8f(arena, "value +%I64u, expression %S", inst.operands[0].u64, expr_str); } break; case DW_CFA_AdvanceLoc: { U64 delta = inst.operands[0].u64; pc += delta; operand_str = str8f(arena, "+%I64u `PC 0x%I64x`", delta, pc); } break; case DW_CFA_Offset: { U64 reg = inst.operands[0].u64; S64 offset = (S64)inst.operands[1].u64; operand_str = dw_string_from_reg_off(arena, arch, reg, offset); } break; case DW_CFA_Restore: { operand_str = dw_string_from_reg_off(arena, arch, inst.operands[0].u64, 0); } break; default: { str8_list_pushf(arena, &list, "ERROR: unknown CFA opcode 0x%I64u", inst.opcode); } goto exit; } if (operand_str.size) { str8_list_pushf(arena, &list, "DW_CFA_%S: %S", dw_string_from_cfa_opcode(inst.opcode), operand_str); } else { str8_list_pushf(arena, &list, "DW_CFA_%S", dw_string_from_cfa_opcode(inst.opcode)); } } exit:; scratch_end(scratch); return list; } internal String8List dw_string_list_from_expression(Arena *arena, String8 raw_data, U64 cu_base, U64 addr_size, Arch arch, DW_Version ver, DW_Ext ext, DW_Format format) { Temp scratch = scratch_begin(&arena, 1); String8List result = {0}; for (U64 cursor = 0; cursor < raw_data.size; ) { U8 op = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &op); String8 op_value = str8_zero(); U64 size_param = 0; B32 is_signed = 0; switch (op) { case DW_ExprOp_Lit0: case DW_ExprOp_Lit1: case DW_ExprOp_Lit2: case DW_ExprOp_Lit3: case DW_ExprOp_Lit4: case DW_ExprOp_Lit5: case DW_ExprOp_Lit6: case DW_ExprOp_Lit7: case DW_ExprOp_Lit8: case DW_ExprOp_Lit9: case DW_ExprOp_Lit10: case DW_ExprOp_Lit11: case DW_ExprOp_Lit12: case DW_ExprOp_Lit13: case DW_ExprOp_Lit14: case DW_ExprOp_Lit15: case DW_ExprOp_Lit16: case DW_ExprOp_Lit17: case DW_ExprOp_Lit18: case DW_ExprOp_Lit19: case DW_ExprOp_Lit20: case DW_ExprOp_Lit21: case DW_ExprOp_Lit22: case DW_ExprOp_Lit23: case DW_ExprOp_Lit24: case DW_ExprOp_Lit25: case DW_ExprOp_Lit26: case DW_ExprOp_Lit27: case DW_ExprOp_Lit28: case DW_ExprOp_Lit29: case DW_ExprOp_Lit30: case DW_ExprOp_Lit31: { U64 x = op - DW_ExprOp_Lit0; op_value = push_str8f(scratch.arena, "%I64u", x); } break; case DW_ExprOp_Const1U:size_param = 1; goto const_n; case DW_ExprOp_Const2U:size_param = 2; goto const_n; case DW_ExprOp_Const4U:size_param = 4; goto const_n; case DW_ExprOp_Const8U:size_param = 8; goto const_n; case DW_ExprOp_Const1S:size_param = 1; is_signed = 1; goto const_n; case DW_ExprOp_Const2S:size_param = 2; is_signed = 1; goto const_n; case DW_ExprOp_Const4S:size_param = 4; is_signed = 1; goto const_n; case DW_ExprOp_Const8S:size_param = 8; is_signed = 1; goto const_n; const_n: { if (is_signed) { S64 x = 0; cursor += str8_deserial_read(raw_data, cursor, &x, size_param, 1); x = extend_sign64(x, size_param); op_value = push_str8f(scratch.arena, "%I64d", x); } else { U64 x = 0; cursor += str8_deserial_read(raw_data, cursor, &x, size_param, 1); op_value = push_str8f(scratch.arena, "%I64u", x); } } break; case DW_ExprOp_Addr: { U64 addr = 0; cursor += str8_deserial_read(raw_data, cursor, &addr, addr_size, 1); op_value = push_str8f(scratch.arena, "%#I64x", addr); } break; case DW_ExprOp_ConstU: { U64 x = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%I64u", x); } break; case DW_ExprOp_ConstS: { S64 x = 0; cursor += str8_deserial_read_sleb128(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%I64d", x); } break; case DW_ExprOp_Reg0: case DW_ExprOp_Reg1: case DW_ExprOp_Reg2: case DW_ExprOp_Reg3: case DW_ExprOp_Reg4: case DW_ExprOp_Reg5: case DW_ExprOp_Reg6: case DW_ExprOp_Reg7: case DW_ExprOp_Reg8: case DW_ExprOp_Reg9: case DW_ExprOp_Reg10: case DW_ExprOp_Reg11: case DW_ExprOp_Reg12: case DW_ExprOp_Reg13: case DW_ExprOp_Reg14: case DW_ExprOp_Reg15: case DW_ExprOp_Reg16: case DW_ExprOp_Reg17: case DW_ExprOp_Reg18: case DW_ExprOp_Reg19: case DW_ExprOp_Reg20: case DW_ExprOp_Reg21: case DW_ExprOp_Reg22: case DW_ExprOp_Reg23: case DW_ExprOp_Reg24: case DW_ExprOp_Reg25: case DW_ExprOp_Reg26: case DW_ExprOp_Reg27: case DW_ExprOp_Reg28: case DW_ExprOp_Reg29: case DW_ExprOp_Reg30: case DW_ExprOp_Reg31: { U64 reg_idx = op - DW_ExprOp_Reg0; op_value = dw_string_from_reg_off(scratch.arena, arch, reg_idx, 0); } break; case DW_ExprOp_RegX: { U64 reg_idx = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, ®_idx); op_value = dw_string_from_reg_off(scratch.arena, arch, reg_idx, 0); } break; case DW_ExprOp_ImplicitValue: { U64 value_size = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &value_size); Rng1U64 value_range = rng_1u64(cursor, cursor + value_size); String8 value_data = str8_substr(raw_data, value_range); cursor += value_size; String8List value_strings = numeric_str8_list_from_data(scratch.arena, 16, value_data, 1); op_value = str8_list_join(scratch.arena, &value_strings, &(StringJoin){.pre = str8_lit("{ "), .sep = str8_lit(", "), .post = str8_lit(" }")}); } break; case DW_ExprOp_Piece: { U64 size = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &size); op_value = push_str8f(scratch.arena, "%u", size); } break; case DW_ExprOp_BitPiece: { U64 bit_size = 0, bit_off = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &bit_size); cursor += str8_deserial_read_uleb128(raw_data, cursor, &bit_off); op_value = push_str8f(scratch.arena, "bit size %I64u, bit offset %I64u", bit_size, bit_off); } break; case DW_ExprOp_Pick: { U8 stack_idx = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &stack_idx); op_value = push_str8f(scratch.arena, "stack index %u", stack_idx); } break; case DW_ExprOp_PlusUConst: { U64 addend = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &addend); op_value = push_str8f(arena, "addend %I64u", addend); } break; case DW_ExprOp_Skip: { S16 x = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%+d bytes", x); } break; case DW_ExprOp_Bra: { S16 x = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%+d", x); } break; case DW_ExprOp_BReg0: case DW_ExprOp_BReg1: case DW_ExprOp_BReg2: case DW_ExprOp_BReg3: case DW_ExprOp_BReg4: case DW_ExprOp_BReg5: case DW_ExprOp_BReg6: case DW_ExprOp_BReg7: case DW_ExprOp_BReg8: case DW_ExprOp_BReg9: case DW_ExprOp_BReg10: case DW_ExprOp_BReg11: case DW_ExprOp_BReg12: case DW_ExprOp_BReg13: case DW_ExprOp_BReg14: case DW_ExprOp_BReg15: case DW_ExprOp_BReg16: case DW_ExprOp_BReg17: case DW_ExprOp_BReg18: case DW_ExprOp_BReg19: case DW_ExprOp_BReg20: case DW_ExprOp_BReg21: case DW_ExprOp_BReg22: case DW_ExprOp_BReg23: case DW_ExprOp_BReg24: case DW_ExprOp_BReg25: case DW_ExprOp_BReg26: case DW_ExprOp_BReg27: case DW_ExprOp_BReg28: case DW_ExprOp_BReg29: case DW_ExprOp_BReg30: case DW_ExprOp_BReg31: { U64 reg_idx = op - DW_ExprOp_BReg0; S64 reg_off = 0; cursor += str8_deserial_read_sleb128(raw_data, cursor, ®_off); op_value = dw_string_from_reg_off(scratch.arena, arch, reg_idx, reg_off); } break; case DW_ExprOp_FBReg: { S64 reg_off = 0; cursor += str8_deserial_read_sleb128(raw_data, cursor, ®_off); op_value = push_str8f(scratch.arena, "offset %I64d", reg_off); } break; case DW_ExprOp_BRegX: { U64 reg_idx = 0; S64 reg_off = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, ®_idx); cursor += str8_deserial_read_sleb128(raw_data, cursor, ®_off); op_value = dw_string_from_reg_off(scratch.arena, arch, reg_idx, reg_off); } break; case DW_ExprOp_XDerefSize: case DW_ExprOp_DerefSize: { U8 x = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%u", x); } break; case DW_ExprOp_Call2: { U16 x = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &x); op_value = push_str8f(scratch.arena, "%u", x); } break; case DW_ExprOp_Call4: { U32 x = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &x); op_value = push_str8f(arena, "%u", x); } break; case DW_ExprOp_CallRef: { U64 x = 0; cursor += str8_deserial_read_dwarf_uint(raw_data, cursor, format, &x); op_value = push_str8f(scratch.arena, "%I64u", x); } break; case DW_ExprOp_ImplicitPointer: case DW_ExprOp_GNU_ImplicitPointer: { U64 info_off = 0; cursor += str8_deserial_read_dwarf_uint(raw_data, cursor, format, &info_off); S64 ptr = 0; cursor += str8_deserial_read_sleb128(raw_data, cursor, &ptr); op_value = push_str8f(scratch.arena, ".debug_info+%#I64x, ptr %I64x", info_off, ptr); } break; case DW_ExprOp_Convert: case DW_ExprOp_GNU_Convert: { U64 type_cu_off = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &type_cu_off); op_value = push_str8f(scratch.arena, "TypeCuOff %#I64x", cu_base + type_cu_off); } break; case DW_ExprOp_GNU_ParameterRef: { // TODO: always 4 bytes? U32 cu_off = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &cu_off); op_value = push_str8f(scratch.arena, "CuOff %#x", cu_base + cu_off); } break; case DW_ExprOp_DerefType: case DW_ExprOp_GNU_DerefType: { U8 deref_size = 0; U64 type_cu_off = 0; cursor += str8_deserial_read_struct(raw_data, cursor, &deref_size); cursor += str8_deserial_read_uleb128(raw_data, cursor, &type_cu_off); op_value = push_str8f(scratch.arena, "%#x, TypeCuOff %#I64x", deref_size, cu_base + type_cu_off); } break; case DW_ExprOp_ConstType: case DW_ExprOp_GNU_ConstType: { U64 type_cu_off = 0; U8 const_value_size = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &type_cu_off); cursor += str8_deserial_read_struct(raw_data, cursor, &const_value_size); Rng1U64 const_value_range = rng_1u64(cursor, cursor + const_value_size); String8 const_value_data = str8_substr(raw_data, const_value_range); String8List const_value_strings = numeric_str8_list_from_data(scratch.arena, 16, const_value_data, 1); String8 const_value_str = str8_list_join(scratch.arena, &const_value_strings, &(StringJoin){.sep = str8_lit(", ")}); op_value = push_str8f(scratch.arena, "TypeCuOff %#I64x, Const Value { %S }", cu_base + type_cu_off, const_value_str); cursor += const_value_size; } break; case DW_ExprOp_RegvalType: case DW_ExprOp_GNU_RegvalType: { U64 reg_idx = 0, type_cu_off = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, ®_idx); cursor += str8_deserial_read_uleb128(raw_data, cursor, &type_cu_off); op_value = push_str8f(scratch.arena, "%S, TypeCuOff %#I64x", dw_string_from_register(scratch.arena, arch, reg_idx), cu_base + type_cu_off); } break; case DW_ExprOp_EntryValue: case DW_ExprOp_GNU_EntryValue: { U64 block_size = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &block_size); Rng1U64 block_range = rng_1u64(cursor, cursor + block_size); String8 block_data = str8_substr(raw_data, block_range); String8List block_expr = dw_string_list_from_expression(scratch.arena, block_data, cu_base, addr_size, arch, ver, ext, format); op_value = str8_list_join(scratch.arena, &block_expr, &(StringJoin){.pre = str8_lit("{ "), .sep = str8_lit(","), .post = str8_lit(" }")}); cursor += block_size; } break; case DW_ExprOp_Addrx: { U64 addr = 0; cursor += str8_deserial_read_uleb128(raw_data, cursor, &addr); op_value = push_str8f(scratch.arena, "%#I64x", addr); } break; case DW_ExprOp_CallFrameCfa: case DW_ExprOp_FormTlsAddress: case DW_ExprOp_PushObjectAddress: case DW_ExprOp_Nop: case DW_ExprOp_Eq: case DW_ExprOp_Ge: case DW_ExprOp_Gt: case DW_ExprOp_Le: case DW_ExprOp_Lt: case DW_ExprOp_Ne: case DW_ExprOp_Shl: case DW_ExprOp_Shr: case DW_ExprOp_Shra: case DW_ExprOp_Xor: case DW_ExprOp_XDeref: case DW_ExprOp_Abs: case DW_ExprOp_And: case DW_ExprOp_Div: case DW_ExprOp_Minus: case DW_ExprOp_Mod: case DW_ExprOp_Mul: case DW_ExprOp_Neg: case DW_ExprOp_Not: case DW_ExprOp_Or: case DW_ExprOp_Plus: case DW_ExprOp_Rot: case DW_ExprOp_Swap: case DW_ExprOp_Deref: case DW_ExprOp_Dup: case DW_ExprOp_Drop: case DW_ExprOp_Over: case DW_ExprOp_StackValue: { // no operands } break; } String8 opcode_str = dw_string_from_expr_op(scratch.arena, ver, ext, op); if (op_value.size == 0) { str8_list_pushf(arena, &result, "DW_OP_%S", opcode_str); } else { str8_list_pushf(arena, &result, "DW_OP_%S = %S", opcode_str, op_value); } } scratch_end(scratch); return result; } internal String8 dw_string_from_reg_off(Arena *arena, Arch arch, DW_Reg reg_idx, S64 reg_off) { Temp scratch = scratch_begin(&arena, 1); String8 reg_str = dw_string_from_register(scratch.arena, arch, reg_idx); String8 result; if (reg_off != 0) { result = push_str8f(arena, "%S%+I64d", reg_str, reg_off); } else { result = reg_str; } scratch_end(scratch); return result; } internal String8 dw_string_from_expression(Arena *arena, String8 expr, U64 cu_base, U64 addr_size, Arch arch, DW_Version ver, DW_Ext ext, DW_Format format) { Temp scratch = scratch_begin(&arena, 1); String8List list = dw_string_list_from_expression(scratch.arena, expr, cu_base, addr_size, arch, ver, ext, format); String8 result = str8_list_join(arena, &list, &(StringJoin){.sep=str8_lit(", ")}); return result; } internal String8 dw_string_from_cfa(Arena *arena, Arch arch, U64 address_size, DW_Version version, DW_Ext ext, DW_Format format, DW_CFA cfa) { String8 cfa_str = str8_lit("???"); switch (cfa.rule) { case DW_CFA_Rule_Null: {} break; case DW_CFA_Rule_RegOff: { cfa_str = dw_string_from_reg_off(arena, arch, cfa.reg, cfa.off); } break; case DW_CFA_Rule_Expression: { cfa_str = dw_string_from_expression(arena, cfa.expr, max_U64, address_size, arch, version, ext, format); } break; default: { InvalidPath; } break; } return cfa_str; } internal String8 dw_string_from_cfi_row(Arena *arena, Arch arch, U64 address_size, DW_Version version, DW_Ext ext, DW_Format format, DW_CFI_Row *row) { Temp scratch = scratch_begin(&arena, 1); String8List cfi_regs_list = {0}; U64 reg_count = dw_reg_count_from_arch(arch); for EachIndex(reg_idx, reg_count) { DW_CFI_Register *cfi_reg = &row->regs[reg_idx]; String8 rule_str = str8_lit("???"); switch (cfi_reg->rule) { case DW_CFI_RegisterRule_Undefined: { rule_str = str8f(scratch.arena, "Undefined(%S)", dw_string_from_register(scratch.arena, arch, cfi_reg->n)); } break; case DW_CFI_RegisterRule_SameValue: { rule_str = str8_zero(); } break; case DW_CFI_RegisterRule_Offset: { rule_str = str8f(scratch.arena, "[CFA%+I64d]", cfi_reg->n); } break; case DW_CFI_RegisterRule_ValOffset: { rule_str = str8f(scratch.arena, "Val(CFA%+I64d)", cfi_reg->n); } break; case DW_CFI_RegisterRule_Register: { rule_str = str8f(scratch.arena, "Register(%S)", dw_string_from_register(scratch.arena, arch, cfi_reg->n)); } break; case DW_CFI_RegisterRule_Expression: { rule_str = str8f(scratch.arena, "Expression(%S)", dw_string_from_expression(scratch.arena, cfi_reg->expr, max_U64, address_size, arch, version, ext, format)); } break; case DW_CFI_RegisterRule_ValExpression: { rule_str = str8f(scratch.arena, "ValExpression(%S)", dw_string_from_expression(scratch.arena, cfi_reg->expr, max_U64, address_size, arch, version, ext, format)); } break; case DW_CFI_RegisterRule_Architectural: { rule_str = str8_lit("???"); } break; default: { InvalidPath; } break; } if (rule_str.size) { str8_list_pushf(scratch.arena, &cfi_regs_list, "%S: %S", dw_string_from_register(scratch.arena, arch, reg_idx), rule_str); } } String8 string = str8_list_join(arena, &cfi_regs_list, &(StringJoin){.sep=str8_lit(", ")}); scratch_end(scratch); return string; } internal String8 dw_single_line_string_from_expression(Arena *arena, String8 raw_data, U64 cu_base, U64 address_size, Arch arch, DW_Version ver, DW_Ext ext, DW_Format format) { Temp scratch = scratch_begin(&arena, 1); String8List list = dw_string_list_from_expression(scratch.arena, raw_data, cu_base, address_size, arch, ver, ext, format); String8 expression = str8_list_join(arena, &list, &(StringJoin){.sep=str8_lit(", ")}); scratch_end(scratch); return expression; } internal String8 dw_string_from_attrib_value(Arena *arena, DW_Raw *input, Arch arch, DW_CompUnit *cu, DW_LineVM *line_vm, DW_Attrib *attrib) { Temp scratch = scratch_begin(&arena, 1); String8List attrib_fmt = {0}; // rjf: log attrib's value based on vlass DW_AttribClass value_class = dw_value_class_from_attrib(cu, attrib); switch(value_class) { default: {str8_list_pushf(scratch.arena, &attrib_fmt, "`unknown value class`");}break; case DW_AttribClass_Undefined: {str8_list_pushf(scratch.arena, &attrib_fmt, "`undefined value class`");}break; case DW_AttribClass_Address: {str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x", dw_address_from_attrib(input, cu, attrib));}break; case DW_AttribClass_Const: {str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x", dw_const_u64_from_attrib(input, cu, attrib));}break; case DW_AttribClass_Block: { String8 block = dw_block_from_attrib(input, cu, attrib); String8List block_strs = numeric_str8_list_from_data(scratch.arena, 16, block, 1); String8 block_str = str8_list_join(scratch.arena, &block_strs, &(StringJoin){.sep = str8_lit(", ")}); str8_list_pushf(scratch.arena, &attrib_fmt, "{ %S }", block_str); }break; case DW_AttribClass_ExprLoc: { String8 exprloc = dw_exprloc_from_attrib(input, cu, attrib); String8 exprloc_str = dw_single_line_string_from_expression(scratch.arena, exprloc, cu->info_range.min, cu->address_size, arch, cu->version, cu->ext, cu->format); str8_list_pushf(scratch.arena, &attrib_fmt, "{ %S }", exprloc_str); }break; case DW_AttribClass_Flag: { B32 flag = dw_flag_from_attrib(input, cu, attrib); str8_list_pushf(scratch.arena, &attrib_fmt, "%I64u (%s)", flag, flag == 0 ? "false" : "true"); }break; case DW_AttribClass_LinePtr: case DW_AttribClass_LocListPtr: case DW_AttribClass_MacPtr: case DW_AttribClass_RngListPtr: case DW_AttribClass_RngList: case DW_AttribClass_StrOffsetsPtr: case DW_AttribClass_AddrPtr: { if(attrib->form.kind == DW_Form_SecOffset) { str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x", attrib->form.sec_offset); } else { str8_list_pushf(scratch.arena, &attrib_fmt, "`unexpected form kind %S`", dw_string_from_form_kind(scratch.arena, cu->version, attrib->form.kind)); } }break; case DW_AttribClass_Reference: { if(attrib->form.kind == DW_Form_Ref1 || attrib->form.kind == DW_Form_Ref2 || attrib->form.kind == DW_Form_Ref4 || attrib->form.kind == DW_Form_Ref8 || attrib->form.kind == DW_Form_RefUData) { U64 info_off = cu->info_range.min + attrib->form.ref; str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x", info_off); if(!contains_1u64(cu->info_range, info_off)) { str8_list_pushf(scratch.arena, &attrib_fmt, ": `(out of this cu's bounds)`"); } } else { str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x", attrib->form.ref); } }break; case DW_AttribClass_String: { if(attrib->form.kind == DW_Form_Strp || attrib->form.kind == DW_Form_LineStrp || attrib->form.kind == DW_Form_StrpSup) { str8_list_pushf(scratch.arena, &attrib_fmt, "0x%I64x ", attrib->form.sec_offset); } String8 string = dw_string_from_attrib(input, cu, attrib); str8_list_pushf(scratch.arena, &attrib_fmt, "\"%S\"", string); }break; } // rjf: extend attrib's value with enum info { String8 enum_info = {0}; switch(attrib->attrib_kind) { case DW_AttribKind_Language: { DW_Language lang = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_language(scratch.arena, lang); }break; case DW_AttribKind_DeclFile: { U64 file_idx = dw_const_u64_from_attrib(input, cu, attrib); DW_LineFile *file = dw_file_from_attrib(cu, line_vm, attrib); if(file != 0) { enum_info = dw_path_from_file(scratch.arena, line_vm->header.dir_table, file); } }break; case DW_AttribKind_DeclLine: { enum_info = str8f(scratch.arena, "%I64u", dw_const_u64_from_attrib(input, cu, attrib)); }break; case DW_AttribKind_Inline: { DW_InlKind inl = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_inl(scratch.arena, inl); }break; case DW_AttribKind_Accessibility: { DW_AccessKind access = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_access_kind(scratch.arena, access); }break; case DW_AttribKind_CallingConvention: { DW_CallingConventionKind calling_convetion = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_calling_convetion(scratch.arena, calling_convetion); }break; case DW_AttribKind_Encoding: { DW_ATE encoding = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_attrib_type_encoding(scratch.arena, encoding); }break; case DW_AttribKind_Visibility: { DW_Vis vis = dw_const_u64_from_attrib(input, cu, attrib); enum_info = dw_string_from_attrib_visibility(scratch.arena, vis); }break; } if(enum_info.size) { str8_list_pushf(scratch.arena, &attrib_fmt, " `%S`", enum_info); } } String8 result = str8_list_join(arena, &attrib_fmt, 0); scratch_end(scratch); return result; } internal DW_PRINTER(dw_print_abbrev) { DW_Raw *input = dumper->input; Temp scratch = scratch_begin(&arena, 1); DW_Section abbrev = input->sec[DW_Section_Abbrev]; S64 depth = 0; U64 idx = 0; for(U64 cursor = 0; cursor < abbrev.data.size; idx += 1) { // rjf: read id & advance U64 id_off = cursor; U64 id = 0; cursor += str8_deserial_read_uleb128(abbrev.data, cursor, &id); if(id == 0) { continue; } // rjf: unpack abbrev U64 tag = 0; U8 has_children = 0; cursor += str8_deserial_read_uleb128(abbrev.data, cursor, &tag); cursor += str8_deserial_read_struct(abbrev.data, cursor, &has_children); // rjf: log abbrev Temp temp = temp_begin(scratch.arena); dw_printf("abbrev: // abbrev[%I64u] abbrev_off: 0x%I64x \n {\n", idx, id_off); dw_indent(); dw_printf("id: %I64u tag_kind: %S has_children: %s\n", id, dw_string_from_tag_kind(temp.arena, tag), has_children ? "true" : "false"); U64 attrib_kind_max_size = 0; U64 form_kind_max_size = 0; { for(U64 off = cursor;;) { U64 attrib_id = 0, form_id = 0; off += str8_deserial_read_uleb128(abbrev.data, off, &attrib_id); off += str8_deserial_read_uleb128(abbrev.data, off, &form_id); if(attrib_id == 0) { break; } String8 attrib_str = dw_string_from_attrib_kind(temp.arena, DW_Version_Last, DW_Ext_All, attrib_id); String8 form_str = dw_string_from_form_kind(temp.arena, DW_Version_Last, form_id); attrib_kind_max_size = Max(attrib_kind_max_size, attrib_str.size); form_kind_max_size = Max(form_kind_max_size, form_str.size); } } for(;;) { U64 attrib_off = cursor; U64 attrib_id = 0, form_id = 0; cursor += str8_deserial_read_uleb128(abbrev.data, cursor, &attrib_id); cursor += str8_deserial_read_uleb128(abbrev.data, cursor, &form_id); if(attrib_id == 0) { break; } String8 attrib_str = dw_string_from_attrib_kind(temp.arena, DW_Version_Last, DW_Ext_All, attrib_id); String8 form_str = dw_string_from_form_kind(temp.arena, DW_Version_Last, form_id); String8List fmt = {0}; str8_list_pushf(temp.arena, &fmt, "%S%.*s", attrib_str, attrib_kind_max_size - attrib_str.size, g_spaces); str8_list_pushf(temp.arena, &fmt, "%S%.*s", form_str, form_kind_max_size - form_str.size, g_spaces); String8 value = str8_list_join(temp.arena, &fmt, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("attrib: { %S } // 0x%I64x\n", value, attrib_off); } dw_unindent(); dw_printf("}\n"); temp_end(temp); } scratch_end(scratch); } internal void dw_print_tag(Arena *arena, String8List *strings, int indent, Arch arch, DW_Raw *input, DW_CompUnit *cu, DW_LineVM *line_vm, DW_TagNode *root) { Temp scratch = scratch_begin(0, 0); for (DW_TagNode *n = root; n != 0; n = n->sibling) { DW_Tag *tag = &n->tag; // compute columns' max widths U64 attrib_name_max_size = 0, form_kind_max_size = 0, value_max_size = 0; for EachNode(attrib_n, DW_AttribNode, tag->attribs.first) { Temp attrib_temp = temp_begin(scratch.arena); attrib_name_max_size = Max(attrib_name_max_size, dw_string_from_attrib_kind (attrib_temp.arena, cu->version, cu->ext, attrib_n->v.attrib_kind).size); form_kind_max_size = Max(form_kind_max_size, dw_string_from_form_kind (attrib_temp.arena, cu->version, attrib_n->v.form.kind).size); value_max_size = Max(value_max_size, dw_string_from_attrib_value(attrib_temp.arena, input, arch, cu, line_vm, &attrib_n->v).size); temp_end(attrib_temp); } attrib_name_max_size = Min(40, attrib_name_max_size); form_kind_max_size = Min(20, form_kind_max_size); value_max_size = Min(80, value_max_size); dw_printf("tag: // info_off: 0x%I64x abbrev_id: %I64u\n", tag->info_off, tag->abbrev_id); dw_printf("{\n"); dw_indent(); dw_printf("kind: %S\n", dw_string_from_tag_kind(scratch.arena, tag->kind)); for EachNode(attrib_n, DW_AttribNode, tag->attribs.first) { DW_Attrib *attrib = &attrib_n->v; String8 attrib_kind_str = dw_string_from_attrib_kind(scratch.arena, cu->version, cu->ext, attrib->attrib_kind); String8 form_kind_str = dw_string_from_form_kind(scratch.arena, cu->version, attrib->form.kind); String8 value_str = dw_string_from_attrib_value(scratch.arena, input, arch, cu, line_vm, attrib); String8List fmt = {0}; str8_list_pushf(scratch.arena, &fmt, "%S%.*s", attrib_kind_str, attrib_kind_str.size <= attrib_name_max_size ? attrib_name_max_size - attrib_kind_str.size : 0, g_spaces); str8_list_pushf(scratch.arena, &fmt, "%S%.*s", form_kind_str, form_kind_str.size <= form_kind_max_size ? form_kind_max_size - form_kind_str.size : 0, g_spaces); str8_list_pushf(scratch.arena, &fmt, "%S%.*s", value_str, value_str.size <= value_max_size ? value_max_size - value_str.size : 0, g_spaces); String8 attrib_str = str8_list_join(scratch.arena, &fmt, &(StringJoin){.sep = str8_lit(" ")}); dw_printf("attrib: { %S } // info_off: 0x%I64x\n", attrib_str, attrib->info_off); } if (tag->has_children) { dw_print_tag(arena, strings, indent, arch, input, cu, line_vm, n->first_child); } dw_unindent(); dw_printf("}\n"); } scratch_end(scratch); } internal DW_PRINTER(dw_print_info) { DW_Raw *input = dumper->input; Arch arch = dumper->arch; HashTable *line_vm_map = dw_get_line_vm_map(dumper); Rng1U64Array cu_ranges = dw_get_info_ranges(dumper); DW_CompUnit *cu_arr = dw_get_cu_arr(dumper); DW_TagTree *tag_trees = dw_get_tag_trees(dumper); Temp scratch = scratch_begin(&arena, 1); for EachIndex(cu_idx, cu_ranges.count) { Rng1U64 cu_range = cu_ranges.v[cu_idx]; DW_CompUnit *cu = &cu_arr[cu_idx]; String8 cu_dir = dw_string_from_tag_attrib_kind (input, cu, cu->tag, DW_AttribKind_CompDir ); String8 cu_name = dw_string_from_tag_attrib_kind (input, cu, cu->tag, DW_AttribKind_Name ); String8 stmt_list = dw_line_ptr_from_tag_attrib_kind(input, cu, cu->tag, DW_AttribKind_StmtList); DW_LineVM *line_vm = 0; if (stmt_list.str) { line_vm = hash_table_search_raw_raw(line_vm_map, stmt_list.str); if (line_vm == 0) { line_vm = dw_line_vm_init(input, cu); // decode line table to find all the defined files, in version 5 this behaviour was deprecated if (cu->version < DW_Version_5) { while (dw_line_vm_step(line_vm)); } hash_table_push_raw_raw(scratch.arena, line_vm_map, stmt_list.str, line_vm); } } dw_printf("cu: // compile_unit[%I64u] @ %r (%M)\n", cu_idx, cu_range, dim_1u64(cu->info_range)); dw_printf("{\n"); dw_indent(); dw_printf("format: %S\n", dw_string_from_format(cu->format)); dw_printf("version: %u\n", cu->version); dw_printf("kind: %S\n", dw_string_from_comp_unit_kind(scratch.arena, cu->kind)); dw_printf("address_size: %I64u\n", cu->address_size); dw_printf("abbrev_off: 0x%I64x\n", cu->abbrev_off); dw_print_tag(arena, strings, indent, arch, input, cu, line_vm, tag_trees[cu_idx].root); dw_unindent(); dw_printf("} // compile_unit[/%u]\n", cu_idx); } } DW_PRINTER(dw_print_line) { DW_Raw *input = dumper->input; B32 is_verbose = dumper->is_verbose; DW_CompUnit *cu_arr = dw_get_cu_arr(dumper); Temp scratch = scratch_begin(&arena, 1); Rng1U64Array unit_ranges = dw_unit_ranges_from_data_arr(scratch.arena, input->sec[DW_Section_Line].data); for EachIndex(unit_idx, unit_ranges.count) { Temp unit_temp = temp_begin(scratch.arena); DW_CompUnit *cu = &cu_arr[unit_idx]; DW_LineVM *vm = dw_line_vm_init(input, cu); // rjf: begin logging line table dw_printf("line_table: // line_table[%I64u]\n", unit_idx); dw_printf("{\n"); dw_indent(); { // rjf: log line table header dw_printf("header:\n"); dw_printf("{\n"); dw_indent(); { String8List opcode_length_strings = numeric_str8_list_from_data(unit_temp.arena, 16, str8(vm->header.opcode_lens, vm->header.num_opcode_lens), 1); String8 opcode_lengths_string = str8_list_join(arena, &opcode_length_strings, &(StringJoin){.sep = str8_lit(", ")}); dw_printf("version: %u\n", vm->header.version ); dw_printf("line_table_size: %I64u\n", vm->header.unit_length ); dw_printf("address_size: %u\n", vm->header.address_size ); dw_printf("segment_selector_size: %u\n", vm->header.segment_selector_size); dw_printf("header_length: %I64u\n", vm->header.header_length ); dw_printf("min_instruction_length: %u\n", vm->header.min_inst_len ); dw_printf("max_ops_for_instruction: %u\n", vm->header.max_ops_for_inst ); dw_printf("default_is_stmt: %u\n", vm->header.default_is_stmt ); dw_printf("line_base: %d\n", vm->header.line_base ); dw_printf("line_range: %u\n", vm->header.line_range ); dw_printf("opcode_base: %u\n", vm->header.opcode_base ); dw_printf("opcode_lengths: { %S }\n", opcode_lengths_string ); } dw_unindent(); dw_printf("}\n"); // rjf: log directory table dw_printf("directory_table:\n"); dw_printf("{\n"); dw_indent(); { dw_printf("// %-4s %-30s\n", "No.", "Name"); dw_printf("// ---- ------------------------------\n"); for EachIndex(dir_idx, vm->header.dir_table.count) { dw_printf("{ %-4I64u %-30S }\n", dir_idx, vm->header.dir_table.v[dir_idx]); } } dw_unindent(); dw_printf("}\n"); // rjf: log file table dw_printf("file_table:\n"); dw_printf("{\n"); dw_indent(); { dw_printf("// %-4s %-8s %-8s %-33s %-8s %-20s\n", "No.", "Dir No.", "Time", "MD5", "Size", "Path"); dw_printf("// ---- -------- -------- --------------------------------- -------- --------------------\n"); for EachIndex(file_idx, vm->header.file_table.count) { DW_LineFile *file = &vm->header.file_table.v[file_idx]; dw_printf("{ %-4I64u %-8I64u %-8I64u %016I64x-%016I64x %-8I64u %-20S }\n", file_idx, file->dir_idx, file->time_stamp, file->md5.u64[1], file->md5.u64[0], file->size, file->path); } } dw_unindent(); dw_printf("}\n"); // rjf: log opcodes dw_printf("line_table:\n"); dw_printf("{\n"); dw_indent(); { dw_printf("//\n"); dw_printf("// %-16s %-8s %-4s %-5s %-3s %-7s %-16s\n", "Address", "Line", "Col", "File", "ISA", "Discrim", "Flags"); dw_printf("// ---------------- -------- ---- ----- --- ------- ----------------\n"); for(;;) { U64 global_opcode_off = unit_ranges.v[unit_idx].min + vm->cursor; if( ! dw_line_vm_step(vm)) { break; } Temp opcode_temp = temp_begin(unit_temp.arena); String8List opcode_fmt = {0}; // opcode offset str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%08I64x:", global_opcode_off); // push opcode id if (vm->opcode != 0) { String8 opcode_str = dw_string_from_std_opcode(opcode_temp.arena, vm->opcode); str8_list_pushf(arena, &opcode_fmt, "%-11S:", opcode_str); } // print operands switch(vm->opcode) { default: { if(vm->opcode >= vm->header.opcode_base) { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "advance line by %I64d, advance address by %I64d", vm->line_advance, vm->addr_advance); } else { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "skipping %I64x unknown opcodes", vm->header.opcode_lens[vm->opcode - 1]); } }break; case DW_StdOpcode_Copy: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "Line = %I64u, Column = %I64u, Address = %#I64x", vm->state.line, vm->state.column, vm->state.address); }break; case DW_StdOpcode_AdvancePc: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "advance %#I64x ; current address %#I64x", vm->operands[0].u64, vm->state.address); }break; case DW_StdOpcode_AdvanceLine: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "advance %I64d ; current line %I64u", vm->operands[0].s64, vm->state.line); }break; case DW_StdOpcode_SetFile: { DW_LineFile *file = dw_line_vm_find_file(vm, vm->state.file_index); str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%I64u \"%S\"", vm->state.file_index, dw_path_from_file(opcode_temp.arena, vm->header.dir_table, file)); }break; case DW_StdOpcode_SetColumn: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%I64u", vm->state.column); }break; case DW_StdOpcode_NegateStmt: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "is_stmt = %u", vm->state.is_stmt); }break; case DW_StdOpcode_SetBasicBlock: { }break; case DW_StdOpcode_ConstAddPc: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%I64d ; address %#I64x", vm->advance, vm->state.address); }break; case DW_StdOpcode_FixedAdvancePc: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%I64u", vm->operands[0].u64); }break; case DW_StdOpcode_SetPrologueEnd: { }break; case DW_StdOpcode_SetEpilogueBegin: { }break; case DW_StdOpcode_SetIsa: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%I64u", vm->state.isa); }break; case DW_StdOpcode_ExtendedOpcode: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%S*", dw_string_from_ext_opcode(opcode_temp.arena, vm->ext_opcode)); //str8_list_pushf(opcode_temp.arena, &opcode_fmt, "length: %u", length); switch(vm->ext_opcode) { case DW_ExtOpcode_EndSequence: {} break; case DW_ExtOpcode_SetAddress: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%#I64x", vm->operands[0].u64); } break; case DW_ExtOpcode_DefineFile: { str8_list_pushf(opcode_temp.arena, &opcode_fmt, "%S Dir: %I64u, Time: %I64u, Size: %I64u", vm->operands[0].string, vm->operands[1].u64, vm->operands[2].u64, vm->operands[3].u64); } break; case DW_ExtOpcode_SetDiscriminator: { str8_list_pushf(arena, &opcode_fmt, "%I64u", vm->state.discriminator); }break; } }break; } if(is_verbose) { String8 string = str8_list_join(opcode_temp.arena, &opcode_fmt, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("// %S\n", string); } if(vm->new_line) { String8List l = {0}; if(vm->state.is_stmt) { str8_list_pushf(opcode_temp.arena, &l, "is_stmt"); } if(vm->state.end_sequence) { str8_list_pushf(opcode_temp.arena, &l, "end_seq"); } String8 flags = str8_list_join(opcode_temp.arena, &l, &(StringJoin){.sep = str8_lit("|")}); dw_printf("{ %#016I64x %8I64u %4I64u %5I64u %3I64u %7I64u %-16S } %s\n", vm->state.address, vm->state.line, vm->state.column, vm->state.file_index, vm->state.isa, vm->state.discriminator, flags, vm->new_seq ? "// new seq" : ""); } temp_end(opcode_temp); } if(vm->error.size) { dw_printf("ERROR: Line VM failed stepping @ 0x%I64x\n", vm->cursor); } } dw_unindent(); dw_printf("}\n"); temp_end(unit_temp); } dw_unindent(); dw_printf("}\n"); } scratch_end(scratch); } DW_PRINTER(dw_print_strings) { DW_Raw *input = dumper->input; String8 data = input->sec[DW_Section_Str].data; for (U64 cursor = 0, read_size = 0; cursor < data.size; cursor += read_size) { String8 string = {0}; read_size = str8_deserial_read_cstr(data, cursor, &string); dw_printf(" { 0x%08I64x %I64u \"%S\" }\n", cursor, string.size, string); } } DW_PRINTER(dw_print_frame) { DW_Raw *input = dumper->input; Arch arch = dumper->arch; Temp scratch = scratch_begin(&arena, 1); HashTable *cie_ht = hash_table_init(scratch.arena, 0x2000); String8 debug_frame = input->sec[DW_Section_Frame].data; U64 addr_size = byte_size_from_arch(arch); // make offset -> CIE hash table for (U64 cursor = 0, desc_size; cursor < debug_frame.size; cursor += desc_size) { DW_DescriptorEntry desc = {0}; desc_size = dw_parse_descriptor_entry_header(debug_frame, cursor, &desc); if (desc.type == DW_DescriptorEntryKind_CIE) { String8 raw_cie = str8_substr(debug_frame, desc.entry_range); U64 restore_pos = arena_pos(scratch.arena); DW_CIE *cie = push_array(scratch.arena, DW_CIE, 1); if (dw_parse_cie(raw_cie, desc.format, arch, cie)) { hash_table_push_u64_raw(scratch.arena, cie_ht, cursor, cie); } else { arena_pop_to(scratch.arena, restore_pos); } } } for (U64 cursor = 0, desc_size; cursor < debug_frame.size; cursor += desc_size) { DW_DescriptorEntry desc = {0}; desc_size = dw_parse_descriptor_entry_header(debug_frame, cursor, &desc); String8 raw_desc = str8_substr(debug_frame, desc.entry_range); switch (desc.type) { case DW_DescriptorEntryKind_Null: {} break; case DW_DescriptorEntryKind_CIE: { DW_CIE cie = {0}; if (dw_parse_cie(raw_desc, desc.format, arch, &cie)) { String8List init_insts_str_list = dw_string_list_from_cfi_program(scratch.arena, 0, arch, DW_Version_5, DW_Ext_All, cie.format, 0, &cie, dw_decode_ptr_debug_frame, &cie, cie.insts); dw_printf("CIE: // entry range: %r\n", desc.entry_range); dw_printf("{\n"); dw_printf(" Format: %S\n", dw_string_from_format(desc.format)); dw_printf(" Version: %u\n", cie.version); dw_printf(" Aug string: \"%S\"\n", cie.aug_string); dw_printf(" Code align: %I64u\n", cie.code_align_factor); dw_printf(" Data align: %I64d\n", cie.data_align_factor); dw_printf(" Return addr reg: %u\n", cie.ret_addr_reg); if (cie.version > DW_Version_3) { dw_printf(" Address size: %u\n", cie.address_size); dw_printf(" Segment selector size: %u\n", cie.segment_selector_size); } dw_printf(" Initial Insturction:\n"); dw_printf(" {\n"); for EachNode(n, String8Node, init_insts_str_list.first) { dw_printf(" %S\n", n->string); } dw_printf(" }\n"); dw_printf("}\n"); } else { dw_printf("ERROR: unable to parse CIE @ %I64x\n", desc.entry_range.min); } } break; case DW_DescriptorEntryKind_FDE: { DW_DescriptorEntry cie_desc = {0}; U64 cie_desc_size = dw_parse_descriptor_entry_header(debug_frame, desc.cie_pointer, &cie_desc); String8 cie_data = str8_substr(debug_frame, cie_desc.entry_range); DW_CIE cie = {0}; dw_parse_cie(cie_data, cie_desc.format, arch, &cie); DW_FDE fde = {0}; if (dw_parse_fde(raw_desc, desc.format, &cie, &fde)) { DW_Version version = DW_Version_5; DW_Ext ext = DW_Ext_All; String8List insts_str_list = dw_string_list_from_cfi_program(scratch.arena, 0, arch, version, ext, fde.format, fde.pc_range.min, &cie, dw_decode_ptr_debug_frame, &cie, fde.insts); dw_printf("FDE: // entry range: %r\n", desc.entry_range); dw_printf("{\n"); { dw_printf(" Format: %S\n", dw_string_from_format(fde.format)); dw_printf(" CIE pointer: 0x%I64x\n", fde.cie_pointer); dw_printf(" PC range: %r\n", fde.pc_range); dw_printf(" Instructions:\n"); dw_printf(" {\n"); for EachNode(n, String8Node, insts_str_list.first) { dw_printf(" %S\n", n->string); } dw_printf(" }\n"); } dw_printf(" Unwind:\n"); dw_printf(" {\n"); DW_CFI_Unwind *cfi_unwind = dw_cfi_unwind_init(scratch.arena, arch, &cie, &fde, dw_decode_ptr_debug_frame, &cie); do { String8 cfa_str = dw_string_from_cfa(scratch.arena, arch, cie.address_size, version, ext, fde.format, cfi_unwind->row->cfa); String8 cfi_regs_str = dw_string_from_cfi_row(scratch.arena, arch, cie.address_size, version, ext, fde.format, cfi_unwind->row); dw_printf(" { PC: 0x%I64x, CFA: %-7S, Rules: { %S }\n", cfi_unwind->pc, cfa_str, cfi_regs_str); } while (dw_cfi_next_row(scratch.arena, cfi_unwind)); dw_printf(" }\n"); dw_printf("}\n"); } else { dw_printf("ERROR: unable to parse FDE @ %I64x\n", desc.entry_range.min); } } break; } } } #if 0 internal DW_PRINTER(dw_print_debug_loc) { DW_Raw *input = dumper->input; DW_TagTree *tag_trees = dw_get_tag_trees(dumper); DW_Section info = input->sec[DW_Section_Info]; DW_Section loc = input->sec[DW_Section_Loc]; if (loc.data.size == 0) { return; } Temp scratch = scratch_begin(&arena, 1); // TODO: warn about overlaps in ranges Rng1U64Array info_ranges = dw_get_info_ranges(dumper); DW_CompUnit *cu_arr = dw_get_cu_arr(dumper); // parse debug_info for attributes with LOCLIST and store .debug_loc offsets U64List *loc_lists = push_array(scratch.arena, U64List, info_ranges.count); for EachIndex(cu_idx, info_ranges.count) { DW_CompUnit *cu = &cu_arr[cu_idx]; DW_TagTree *tag_tree = tag_trees[cu_idx]; for (D2R_TagIterator *it = d2r_tag_iterator_init(scratch.arena, tag_tree); it->tag_node != 0; d2r_tag_iterator_next(it)) { DW_TagNode *tag_node = it->tag_node; DW_Tag tag = tag_node->tag; for EachNode(attrib_n, DW_AttribNode, tag.attribs.first) { DW_Attrib *attrib = &attrib_n->v; DW_AttribClass attrib_class = dw_attrib_class_from_attrib(cu->version, cu->ext, attrib->kind); B32 is_sect_offset = attrib_class == DW_AttribClass_LocListPtr || (attrib_class == DW_AttribClass_LocList && attrib->form.kind == DW_Form_SecOffset); B32 is_sect_index = attrib_class == DW_AttribClass_LocList && attrib->form.kind == DW_Form_LocListx; if (is_sect_offset) { U64 sec_offset = dw_interp_sec_offset(attrib->form.kind, attrib->form); u64_list_push(scratch.arena, &loc_lists[cu_idx], attrib->value.v[0]); } else if (is_sect_index) { // TODO: support for section indexing } } } } void *base = dw_base_from_sec(input, DW_Section_Loc); Rng1U64 range = dw_range_from_sec(input, DW_Section_Loc); dw_printf(".debug_loc"); dw_indent(); dw_printf("%-8s %-8s %-8s %s", "Offset", "Min", "Max", "Expression"); for (U32 comp_idx = 0; comp_idx < cu_range_list.count; ++comp_idx) { Temp locs_temp = temp_begin(scratch.arena); DW_Version ver = ver_arr[comp_idx]; DW_Ext ext = ext_arr[comp_idx]; U64Array locs = u64_array_from_list(locs_temp.arena, &loc_lists[comp_idx]); u64_array_sort(locs.count, locs.v); U64Array locs_set = remove_duplicates_u64_array(locs_temp.arena, locs); U64 address_size = address_sizes[comp_idx]; U64 base_selector = (address_size == 8) ? max_U64 : max_U32; for (U64 loc_idx = 0; loc_idx < locs_set.count; ++loc_idx) { U64 base_address = address_bases[comp_idx]; for (U64 cursor = locs_set.v[loc_idx]; cursor < dim_1u64(range); /* empty */) { Temp range_temp = temp_begin(arena); String8List list = {0}; // offset str8_list_pushf(range_temp.arena, &list, "%08I64x", cursor); // parse entry U64 v0 = 0, v1 = 0; cursor += dw_based_range_read(base, range, cursor, address_size, &v0); cursor += dw_based_range_read(base, range, cursor, address_size, &v1); B32 is_list_end = v0 == 0 && v1 == 0; if (is_list_end) { str8_list_pushf(range_temp.arena, &list, ""); } else if (v0 == base_selector) { base_address = v1; } else { U16 expr_size = 0; cursor += dw_based_range_read_struct(base, range, cursor, &expr_size); Rng1U64 expr_range = rng_1u64(range.min+cursor, range.min+cursor+expr_size); cursor += expr_size; // format dwarf expression B32 is_dwarf64 = (address_size == 8); String8 raw_expr = str8((U8*)base+expr_range.min, dim_1u64(expr_range)); String8 expression = dw_single_line_string_from_expression(range_temp.arena, raw_expr, cu_bases[comp_idx], address_size, arch, ver, ext, input->sec[DW_Section_Loc].mode); // push entry U64 min = base_address + v0; U64 max = base_address + v1; str8_list_pushf(range_temp.arena, &list, "%08I64x %08I64x %S", min, max, expression); } // print entry String8 print = str8_list_join(range_temp.arena, &list, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("%S", print); // cleanup temp temp_end(range_temp); // exit check if (is_list_end) { break; } } } temp_end(locs_temp); } dw_unindent(); dw_unindent(); scratch_end(scratch); } #endif #if 0 internal void dw_print_debug_ranges(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input, Arch arch, ExecutableImageKind image_type, B32 relaxed) { NotImplemented; #if 0 DW_Section ranges = input->sec[DW_Section_Ranges]; void *base = dw_base_from_sec(input, DW_Section_Ranges); Rng1U64 range = dw_range_from_sec(input, DW_Section_Ranges); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); Rng1U64List cu_range_list = dw_comp_unit_ranges_from_info(scratch.arena, sections->v[DW_Section_Info]); // parse debug_info for attributes with LOCLIST and store .debug_loc offsets U64List *loc_lists = push_array(scratch.arena, U64List, cu_range_list.count); U64 *address_sizes = push_array(scratch.arena, U64, cu_range_list.count); U64 *address_bases = push_array(scratch.arena, U64, cu_range_list.count); { U64 comp_idx = 0; for (Rng1U64Node *cu_range_n = cu_range_list.first; cu_range_n != 0; cu_range_n = cu_range_n->next, ++comp_idx) { Rng1U64 cu_range = cu_range_n->v; DW_CompUnit cu = dw_comp_unit_from_info_offset(scratch.arena, sections, cu_range.min, relaxed); // store info about comp unit address_sizes[comp_idx] = cu.address_size; address_bases[comp_idx] = cu.base_addr; // parse tags for (U64 info_off = cu.tags_range.min; info_off < cu.tags_range.max; /* empty */) { DW_Tag tag = dw_tag_from_info_offset_cu(scratch.arena, sections, &cu, info_off); // parse attribs for (DW_AttribNode *attrib_node = tag.attribs.first; attrib_node != 0; attrib_node = attrib_node->next) { DW_Attrib *attrib = &attrib_node->v; B32 is_sect_offset = attrib->value_class == DW_AttribClass_RngListPtr || (attrib->value_class == DW_AttribClass_RngList && attrib->form.kind == DW_Form_SecOffset); B32 is_sect_index = attrib->value_class == DW_AttribClass_RngList && attrib->form.kind == DW_Form_RngListx; if (is_sect_offset) { u64_list_push(scratch.arena, &loc_lists[comp_idx], attrib->value.v[0]); } else if (is_sect_index) { // TODO: support for section indexing } } info_off = tag.next_info_off; } } } dw_printf("# %S", sections->v[DW_Section_Ranges].name); dw_indent(); dw_printf("%-8s %-8s %-8s", "Offset", "Min", "Max"); for (U32 comp_idx = 0; comp_idx < cu_range_list.count; ++comp_idx) { U64Array locs = u64_array_from_list(scratch.arena, &loc_lists[comp_idx]); u64_array_sort(locs.count, locs.v); U64Array locs_set = remove_duplicates_u64_array(scratch.arena, locs); U64 address_size = address_sizes[comp_idx]; U64 base_selector = (address_size == 8) ? max_U64 : max_U32; for (U64 loc_idx = 0; loc_idx < locs_set.count; ++loc_idx) { U64 base_address = address_bases[comp_idx]; for (U64 cursor = locs_set.v[loc_idx]; cursor < dim_1u64(range); /* empty */) { Temp range_temp = temp_begin(scratch.arena); String8List list = {0}; // offset str8_list_pushf(range_temp.arena, &list, "%08I64x", cursor); // parse entry U64 v0 = 0, v1 = 0; cursor += dw_based_range_read(base, range, cursor, address_size, &v0); cursor += dw_based_range_read(base, range, cursor, address_size, &v1); B32 is_list_end = v0 == 0 && v1 == 0; if (is_list_end) { str8_list_pushf(range_temp.arena, &list, ""); } else if (v0 == base_selector) { base_address = v1; } else { // push entry U64 min = base_address + v0; U64 max = base_address + v1; str8_list_pushf(range_temp.arena, &list, "%08I64x %08I64x", min, max); } // print entry String8 print = str8_list_join(range_temp.arena, &list, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("%S", print); temp_end(range_temp); // exit check if (is_list_end) { break; } } } } #endif } internal void dw_print_debug_aranges(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_ARanges); Rng1U64 range = dw_range_from_sec(sections, DW_Section_ARanges); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_ARanges].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_length = 0; DW_Version version = 0; U64 debug_info_offset = 0; U8 address_size = 0; U8 segment_selector_size = 0; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; cursor += dw_based_range_read_struct(base, range, cursor, &version); B32 is_dwarf64 = unit_length >= max_U32; U64 int_size = is_dwarf64 ? sizeof(U64) : sizeof(U32); cursor += dw_based_range_read(base, range, cursor, int_size, &debug_info_offset); cursor += dw_based_range_read_struct(base, range, cursor, &address_size); cursor += dw_based_range_read_struct(base, range, cursor, &segment_selector_size); U64 tuple_size = address_size * 2 + segment_selector_size; U64 bytes_too_far_past_boundary = cursor % tuple_size; if (bytes_too_far_past_boundary > 0) { cursor += tuple_size - bytes_too_far_past_boundary; } dw_printf("Unit length: %I64u", unit_length); dw_printf("Version: %u", version); dw_printf("Debug info offset: %#I64x", debug_info_offset); dw_printf("Address size: %u", address_size); dw_printf("Segment selector size: %u", segment_selector_size); if (version != DW_Version_2) { rd_warningf("Version value must be 2 (DWARF5 sepc, Feb 13, 2017)"); } dw_indent(); dw_printf("%-8s %-8s", "Offset", "Range"); for (; cursor < unit_opl; ) { Temp temp = temp_begin(arena); String8List list = {0}; str8_list_pushf(temp.arena, &list, "%08I64x", cursor); U64 segment_selector = 0; U64 address = 0; U64 length = 0; cursor += dw_based_range_read(base, range, cursor, segment_selector_size, &segment_selector); cursor += dw_based_range_read(base, range, cursor, address_size, &address); cursor += dw_based_range_read(base, range, cursor, address_size, &length); if (segment_selector == 0 && address == 0 && length == 0) { str8_list_pushf(temp.arena, &list, ""); } else { if (segment_selector != 0) { str8_list_pushf(temp.arena, &list, "%02I64u:", segment_selector); } str8_list_pushf(temp.arena, &list, "%I64x-%I64x", address, address+length); } String8 print = str8_list_join(temp.arena, &list, &(StringJoin){.sep=str8_lit(" ") }); dw_printf("%S", print); temp_end(temp); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } internal void dw_print_debug_addr(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_Addr); Rng1U64 range = dw_range_from_sec(sections, DW_Section_Addr); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_Addr].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_length = 0; DW_Version version = 0; U8 address_size = 0; U8 segment_selector_size = 0; U64 unit_offset = cursor; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; cursor += dw_based_range_read_struct(base, range, cursor, &version); cursor += dw_based_range_read_struct(base, range, cursor, &address_size); cursor += dw_based_range_read_struct(base, range, cursor, &segment_selector_size); U64 tuple_size = address_size * 2 + segment_selector_size; U64 bytes_too_far_past_boundary = cursor % tuple_size; if (bytes_too_far_past_boundary > 0) { cursor += tuple_size - bytes_too_far_past_boundary; } dw_printf("Unit @ %#I64x, length %I64u", unit_offset, unit_length); dw_printf("Version: %u", version); dw_printf("Address size: %u", address_size); dw_printf("Segment selector size: %u", segment_selector_size); if (version != DW_Version_2) { rd_warningf("Version value must be 5 (DWARF5 sepc, Feb 13, 2017)"); } dw_indent(); dw_printf("%-8s %-8s", "Offset", "Address"); for (; cursor < unit_opl; ) { Temp temp = temp_begin(arena); String8List list = {0}; str8_list_pushf(temp.arena, &list, "%08X", cursor); U64 segment_selector = 0; U64 address = 0; cursor += dw_based_range_read(base, range, cursor, segment_selector_size, &segment_selector); cursor += dw_based_range_read(base, range, cursor, address_size, &address); if (segment_selector == 0 && address == 0) { str8_list_pushf(temp.arena, &list, ""); } else { if (segment_selector != 0) { str8_list_pushf(temp.arena, &list, "%02u:", segment_selector); } str8_list_pushf(temp.arena, &list, "%I64x", address); } String8 print = str8_list_join(arena, &list, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("%S", print); temp_end(temp); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } internal U64 dw_based_range_read_address(void *base, Rng1U64 range, U64 offset, Rng1U64Array segment_ranges, U8 segment_selector_size, U8 address_size, U64 *address_out) { U64 read_offset = offset; // read segment U64 segment_selector = 0; read_offset += dw_based_range_read(base, range, read_offset, segment_selector_size, &segment_selector); // read address U64 address = 0; read_offset += dw_based_range_read(base, range, read_offset, address_size, &address); // apply segment offset B32 is_address_segment_relative = segment_selector_size > 0; if (is_address_segment_relative) { if (segment_selector < segment_ranges.count) { address += segment_ranges.v[segment_selector].min; } else { Assert(!"invalid segment selector"); } } U64 read_size = (read_offset - offset); return read_size; } internal void dw_print_debug_loclists(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input, Rng1U64Array segment_virtual_ranges, Arch arch) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_LocLists); Rng1U64 range = dw_range_from_sec(sections, DW_Section_LocLists); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_LocLists].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_offset = cursor; U64 unit_length = 0; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; DW_Version version = 0; U8 address_size = 0; U8 segment_selector_size = 0; U32 offset_entry_count = 0; cursor += dw_based_range_read_struct(base, range, cursor, &version); cursor += dw_based_range_read_struct(base, range, cursor, &address_size); cursor += dw_based_range_read_struct(base, range, cursor, &segment_selector_size); cursor += dw_based_range_read_struct(base, range, cursor, &offset_entry_count); U64 past_header_offset = cursor; B32 is_dwarf64 = unit_length > max_U32; U64 offset_size = is_dwarf64 ? sizeof(U64) : sizeof(U32); dw_printf("Unit @ %#I64x, length %I64u", unit_offset, unit_length); dw_printf("Version: %u", version); dw_printf("Address size: %u", address_size); dw_printf("Segment selector size: %u", segment_selector_size); dw_printf("Offset entry count: %u", offset_entry_count); if (version != DW_Version_5) { rd_warningf("Version value must be 5 (DWARF5 sepc, Feb 13, 2017)"); } if (offset_entry_count > 0) { dw_printf("Offsets:"); dw_indent(); dw_printf("%-8s %-8s", "Index", "Offset"); for (U64 offset_idx = 0; offset_idx < offset_entry_count; ++offset_idx) { U64 offset = 0; cursor += dw_based_range_read(base, range, cursor, offset_size, &offset); dw_printf("%-8I64u %I64x", offset_idx, offset+past_header_offset); } dw_unindent(); } dw_printf("Locations:"); dw_indent(); dw_printf("%-8s %-8s", "Offset", "Location"); for (; cursor < unit_opl; ) { Temp temp = temp_begin(arena); String8List list = {0}; str8_list_pushf(temp.arena, &list, "%08I64x", cursor); U8 kind = 0; cursor += dw_based_range_read_struct(base, range, cursor, &kind); str8_list_pushf(temp.arena, &list, "DW_LLE_%S", dw_string_from_loc_list_entry_kind(temp.arena, kind)); B32 has_loc_desc = 0; switch (kind) { case DW_LocListEntryKind_EndOfList: break; case DW_LocListEntryKind_DefaultLocation: { has_loc_desc = 1; } break; case DW_LocListEntryKind_BaseAddress: { U64 base_address = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_virtual_ranges, segment_selector_size, address_size, &base_address); str8_list_pushf(temp.arena, &list, "%I64x", base_address); } break; case DW_LocListEntryKind_StartLength: { U64 start = 0; U64 length = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_virtual_ranges, segment_selector_size, address_size, &start); cursor += dw_based_range_read_uleb128(base, range, cursor, &length); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", start, length); } break; case DW_LocListEntryKind_StartEnd: { U64 start = 0; U64 end = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_virtual_ranges, segment_selector_size, address_size, &start); cursor += dw_based_range_read_address(base, range, cursor, segment_virtual_ranges, segment_selector_size, address_size, &end); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", start, end); } break; case DW_LocListEntryKind_BaseAddressX: { U64 base_addressx = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &base_addressx); str8_list_pushf(temp.arena, &list, "%I64x", base_addressx); } break; case DW_LocListEntryKind_StartXEndX: { U64 startx = 0; U64 endx = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &startx); cursor += dw_based_range_read_uleb128(base, range, cursor, &endx); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", startx, endx); } break; case DW_LocListEntryKind_OffsetPair: { U64 a = 0; U64 b = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &a); cursor += dw_based_range_read_uleb128(base, range, cursor, &b); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", a, b); U8 expr_length = 0; cursor += dw_based_range_read_struct(base, range, cursor, &expr_length); String8 raw_expr = str8((U8*)base+cursor, expr_length); cursor += expr_length; // TODO: we need actual cu base to format expression correctly NotImplemented; String8 expression = dw_single_line_string_from_expression(temp.arena, raw_expr, 0, address_size, arch, version, DW_Ext_Null, is_dwarf64); str8_list_pushf(temp.arena, &list, "(%S)", expression); } break; case DW_LocListEntryKind_StartXLength: { U64 startx = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &startx); U64 length = 0; if (version < DW_Version_5) { // pre-standard length cursor += dw_based_range_read(base, range, cursor, sizeof(U32), &length); } else { cursor += dw_based_range_read_uleb128(base, range, cursor, &length); } } break; } String8 print = str8_list_join(temp.arena, &list, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("%S", print); temp_end(temp); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } internal void dw_print_debug_rnglists(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input, Rng1U64Array segment_ranges) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_RngLists); Rng1U64 range = dw_range_from_sec(sections, DW_Section_RngLists); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_RngLists].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_offset = cursor; U64 unit_length = 0; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; DW_Version version = 0; U8 address_size = 0; U8 segment_selector_size = 0; U32 offset_entry_count = 0; cursor += dw_based_range_read_struct(base, range, cursor, &version); cursor += dw_based_range_read_struct(base, range, cursor, &address_size); cursor += dw_based_range_read_struct(base, range, cursor, &segment_selector_size); cursor += dw_based_range_read_struct(base, range, cursor, &offset_entry_count); U64 past_header_offset = cursor; B32 is_dwarf64 = unit_length > max_U32; U64 offset_size = is_dwarf64 ? sizeof(U64) : sizeof(U32); dw_printf("Unit @ %#I64x, length %I64u", unit_offset, unit_length); dw_printf("Version: %u", version); dw_printf("Address size: %u", address_size); dw_printf("Segment selector size: %u", segment_selector_size); dw_printf("Offset entry count: %u", offset_entry_count); if (version != DW_Version_5) { rd_warningf("Version value must be 5 (DWARF5 sepc, Feb 13, 2017)"); } if (offset_entry_count > 0) { dw_printf("Offsets:"); dw_indent(); dw_printf("%-8s %-8s", "Index", "Offset"); for (U64 offset_idx = 0; offset_idx < offset_entry_count; ++offset_idx) { U64 offset = 0; cursor += dw_based_range_read(base, range, cursor, offset_size, &offset); dw_printf("%-8I64u %I64x", offset_idx, offset+past_header_offset); } dw_unindent(); } dw_printf("Ranges:"); dw_indent(); dw_printf("%-8s %-8s", "Offset", "Range"); for (; cursor < unit_opl; ) { Temp temp = temp_begin(scratch.arena); String8List list = {0}; // offset str8_list_pushf(temp.arena, &list, "%08I64x", cursor); // opcode mnemonic U8 kind = 0; cursor += dw_based_range_read_struct(base, range, cursor, &kind); str8_list_pushf(temp.arena, &list, "DW_RLE_%S", dw_string_from_rng_list_entry_kind(temp.arena, kind)); // operand switch (kind) { case DW_RngListEntryKind_EndOfList: { // empty } break; case DW_RngListEntryKind_BaseAddressX: { U64 base_addressx = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &base_addressx); str8_list_pushf(temp.arena, &list, "%I64x", base_addressx); } break; case DW_RngListEntryKind_BaseAddress: { U64 base_address = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_ranges, segment_selector_size, address_size, &base_address); str8_list_pushf(temp.arena, &list, "%I64x", base_address); } break; case DW_RngListEntryKind_OffsetPair: { U64 min = 0; U64 max = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &min); cursor += dw_based_range_read_uleb128(base, range, cursor, &max); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", min, max); } break; case DW_RngListEntryKind_StartxLength: { U64 startx = 0; U64 length = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &startx); cursor += dw_based_range_read_uleb128(base, range, cursor, &length); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", startx, length); } break; case DW_RngListEntryKind_StartxEndx: { U64 startx = 0; U64 endx = 0; cursor += dw_based_range_read_uleb128(base, range, cursor, &startx); cursor += dw_based_range_read_uleb128(base, range, cursor, &endx); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", startx, endx); } break; case DW_RngListEntryKind_StartEnd: { U64 start = 0; U64 end = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_ranges, segment_selector_size, address_size, &start); cursor += dw_based_range_read_address(base, range, cursor, segment_ranges, segment_selector_size, address_size, &end); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", start, end); } break; case DW_RngListEntryKind_StartLength: { U64 start = 0; U64 length = 0; cursor += dw_based_range_read_address(base, range, cursor, segment_ranges, segment_selector_size, address_size, &start); cursor += dw_based_range_read_uleb128(base, range, cursor, &length); str8_list_pushf(temp.arena, &list, "%I64x, %I64x", start, length); } break; } // output row String8 print = str8_list_join(temp.arena, &list, &(StringJoin){.sep=str8_lit(" ")}); dw_printf("%S", print); temp_end(temp); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } internal void dw_format_string_table(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input, DW_SectionKind sec) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, sec); Rng1U64 range = dw_range_from_sec(sections, sec); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[sec].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_offset = cursor; U64 unit_length = 0; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; DW_Version version = 0; cursor += dw_based_range_read_struct(base, range, cursor, &version); if (version != DW_Version_2) { rd_warningf("Version value must be 2"); } B32 is_dwarf64 = unit_length > max_U32; U32 sec_offset_size = is_dwarf64 ? sizeof(U64) : sizeof(U32); U64 debug_info_offset = 0, debug_info_length = 0; cursor += dw_based_range_read(base, range, cursor, sec_offset_size, &debug_info_offset); cursor += dw_based_range_read(base, range, cursor, sec_offset_size, &debug_info_length); dw_printf("Unit @ %#I64x, length %I64u", unit_offset, unit_length); dw_printf("Version: %u", version); dw_printf("Debug info offset: %#I64x", debug_info_offset); dw_printf("Debug info length: %#I64x", debug_info_length); dw_printf("Entries:"); dw_indent(); dw_printf("%-8s %-8s", "Offset", "String"); for (; cursor < unit_opl; ) { U64 info_offset = 0; cursor += dw_based_range_read(base, range, cursor, sec_offset_size, &info_offset); String8 string = dw_based_range_read_string(base, range, cursor); cursor += (string.size + 1); dw_printf("%08I64x %S", info_offset, string); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } internal void dw_print_debug_pubnames(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { dw_format_string_table(arena, out, g_dw_indent, input, DW_Section_PubNames); } internal void dw_print_debug_pubtypes(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { dw_format_string_table(arena, out, g_dw_indent, input, DW_Section_PubTypes); } internal void dw_print_debug_line_str(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_LineStr); Rng1U64 range = dw_range_from_sec(sections, DW_Section_LineStr); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_LineStr].name); dw_indent(); dw_printf("%-8s %-8s", "Offset", "String"); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 offset = cursor; String8 string = dw_based_range_read_string(base, range, cursor); cursor += (string.size + 1); dw_printf("%08llX %S", offset, string); } dw_unindent(); scratch_end(scratch); #endif } internal void dw_print_debug_str_offsets(Arena *arena, String8List *out, String8 g_dw_indent, DW_Raw *input) { NotImplemented; #if 0 void *base = dw_base_from_sec(sections, DW_Section_StrOffsets); Rng1U64 range = dw_range_from_sec(sections, DW_Section_StrOffsets); void *debug_str_base = dw_base_from_sec(sections, DW_Section_Str); Rng1U64 debug_str_range = dw_range_from_sec(sections, DW_Section_Str); if (dim_1u64(range) == 0) { return; } Temp scratch = scratch_begin(&arena, 1); dw_printf("# %S", sections->v[DW_Section_StrOffsets].name); dw_indent(); for (U64 cursor = 0; cursor < dim_1u64(range); ) { U64 unit_offset = cursor; U64 unit_length = 0; cursor += dw_based_range_read_length(base, range, cursor, &unit_length); U64 unit_opl = cursor + unit_length; DW_Version version = 0; cursor += dw_based_range_read_struct(base, range, cursor, &version); if (version != DW_Version_5) { rd_warningf("Version value must be 5 (DWARF5 sepc, Feb 13, 2017)"); } U16 padding = 0; cursor += dw_based_range_read_struct(base, range, cursor, &padding); if (padding != 0) { rd_warningf("unexpected padding byte"); } B32 is_dwarf64 = unit_length > max_U32; U32 offset_size = is_dwarf64 ? sizeof(U64) : sizeof(U32); dw_printf("Unit @ %#llX, length %I64d", unit_offset, unit_length); dw_printf("Version: %d", version); dw_printf("Padding: %d", padding); dw_indent(); dw_printf("%-8s %-8s", "@", "Offset"); for (; cursor < unit_opl; ) { U64 read_at = cursor; U64 offset = 0; cursor += dw_based_range_read(base, range, cursor, offset_size, &offset); dw_printf("%08I64x %08I64x", read_at, offset); if (dim_1u64(debug_str_range) > 0) { String8 string = dw_based_range_read_string(debug_str_base, debug_str_range, offset); dw_printf(" %S", string); } rd_newline(); } dw_unindent(); rd_newline(); } dw_unindent(); scratch_end(scratch); #endif } #endif //////////////////////////////// //~ rjf: Dump Entry Point read_only struct { DW_Printer *printer; DW_SectionKind kind; } g_dw_printers[] = { { dw_print_abbrev, DW_Section_Abbrev }, { dw_print_info, DW_Section_Info }, { dw_print_strings, DW_Section_Str }, { dw_print_frame, DW_Section_Frame }, { dw_print_line, DW_Section_Line }, }; internal String8List dw_dump_list_from_sections(Arena *arena, DW_Raw *input, Arch arch, DW_SectionFlags subset_flags, B32 is_verbose) { Temp scratch = scratch_begin(&arena, 1); String8List *strings = push_array(scratch.arena, String8List, 1); int indent = 0; DW_Dumper dumper = {0}; dumper.arena = arena_alloc(); dumper.arch = arch; dumper.is_verbose = is_verbose; dumper.input = input; dumper.is_relaxed = 1; for EachElement(i, g_dw_printers) { if (((1 << g_dw_printers[i].kind) & subset_flags) != 0) { String8List s = {0}; g_dw_printers[i].printer(arena, &s, indent + 1, &dumper); if (s.total_size > 0) { dw_printf("%S:\n", str8_skip(dw_name_string_from_section_kind(g_dw_printers[i].kind), 1)); dw_printf("{\n"); dw_indent(); str8_list_concat_in_place(strings, &s); dw_unindent(); dw_printf("}\n"); } } } String8List result = *strings; arena_release(dumper.arena); scratch_end(scratch); return result; }