1 //===-- dwarf.h -------------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef DebugBase_dwarf_h_
11 #define DebugBase_dwarf_h_
15 // Get the DWARF constant defintions from llvm
16 #include "llvm/Support/Dwarf.h"
17 // and stuff them in our default namespace
18 using namespace llvm::dwarf;
20 typedef uint32_t dw_uleb128_t;
21 typedef int32_t dw_sleb128_t;
22 typedef uint16_t dw_attr_t;
23 typedef uint8_t dw_form_t;
24 typedef uint16_t dw_tag_t;
25 typedef uint64_t dw_addr_t; // Dwarf address define that must be big enough for any addresses in the compile units that get parsed
27 #ifdef DWARFUTILS_DWARF64
28 #define DWARF_REF_ADDR_SIZE 8
29 typedef uint64_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file
31 #define DWARF_REF_ADDR_SIZE 4
32 typedef uint32_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file
36 #define DW_INVALID_OFFSET (~(dw_offset_t)0)
37 #define DW_INVALID_INDEX 0xFFFFFFFFul
39 // #define DW_ADDR_none 0x0
41 #define DW_EH_PE_MASK_ENCODING 0x0F
43 //// The following are used only internally within lldb - don't
44 //// document them in the llvm Dwarf.h header file, we won't see
45 //// them in executable files anywhere.
46 //// These constants fit between DW_OP_lo_user (0xe0) and DW_OP_hi_user (0xff).
48 //#define DW_OP_APPLE_array_ref 0xEE // first pops index, then pops array; pushes array[index]
49 //#define DW_OP_APPLE_extern 0xEF // ULEB128 index of external object (i.e., an entity from the program that was used in the expression)
50 #define DW_OP_APPLE_uninit 0xF0 // This is actually generated by some apple compilers in locations lists
51 //#define DW_OP_APPLE_assign 0xF1 // pops value off and assigns it to second item on stack (2nd item must have assignable context)
52 //#define DW_OP_APPLE_address_of 0xF2 // gets the address of the top stack item (top item must be a variable, or have value_type that is an address already)
53 //#define DW_OP_APPLE_value_of 0xF3 // pops the value off the stack and pushes the value of that object (top item must be a variable, or expression local)
54 //#define DW_OP_APPLE_deref_type 0xF4 // gets the address of the top stack item (top item must be a variable, or a clang type)
55 //#define DW_OP_APPLE_expr_local 0xF5 // ULEB128 expression local index
56 //#define DW_OP_APPLE_constf 0xF6 // 1 byte float size, followed by constant float data
57 //#define DW_OP_APPLE_scalar_cast 0xF7 // Cast top of stack to 2nd in stack's type leaving all items in place
58 //#define DW_OP_APPLE_clang_cast 0xF8 // pointer size clang::Type * off the stack and cast top stack item to this type
59 //#define DW_OP_APPLE_clear 0xFE // clears the entire expression stack, ok if the stack is empty
60 //#define DW_OP_APPLE_error 0xFF // Stops expression evaluation and returns an error (no args)
63 #endif // DebugBase_dwarf_h_