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 definitions from llvm
16 #include "llvm/BinaryFormat/Dwarf.h"
18 #include "lldb/Core/RangeMap.h"
20 // and stuff them in our default namespace
21 using namespace llvm::dwarf;
23 typedef uint32_t dw_uleb128_t;
24 typedef int32_t dw_sleb128_t;
25 typedef uint16_t dw_attr_t;
26 typedef uint16_t dw_form_t;
27 typedef uint16_t dw_tag_t;
28 typedef uint64_t dw_addr_t; // Dwarf address define that must be big enough for
29 // any addresses in the compile units that get
32 #ifdef DWARFUTILS_DWARF64
33 #define DWARF_REF_ADDR_SIZE 8
34 typedef uint64_t dw_offset_t; // Dwarf Debug Information Entry offset for any
35 // offset into the file
37 #define DWARF_REF_ADDR_SIZE 4
38 typedef uint32_t dw_offset_t; // Dwarf Debug Information Entry offset for any
39 // offset into the file
43 #define DW_INVALID_OFFSET (~(dw_offset_t)0)
44 #define DW_INVALID_INDEX 0xFFFFFFFFul
46 // #define DW_ADDR_none 0x0
48 #define DW_EH_PE_MASK_ENCODING 0x0F
50 //// The following are used only internally within lldb - don't
51 //// document them in the llvm Dwarf.h header file, we won't see
52 //// them in executable files anywhere.
53 //// These constants fit between DW_OP_lo_user (0xe0) and DW_OP_hi_user (0xff).
55 //#define DW_OP_APPLE_array_ref 0xEE // first pops index, then pops array;
57 //#define DW_OP_APPLE_extern 0xEF // ULEB128 index of external object
58 //(i.e., an entity from the program that was used in the expression)
59 #define DW_OP_APPLE_uninit \
60 0xF0 // This is actually generated by some apple compilers in locations lists
61 //#define DW_OP_APPLE_assign 0xF1 // pops value off and assigns it to
62 //second item on stack (2nd item must have assignable context)
63 //#define DW_OP_APPLE_address_of 0xF2 // gets the address of the top stack
64 //item (top item must be a variable, or have value_type that is an address
66 //#define DW_OP_APPLE_value_of 0xF3 // pops the value off the stack and
67 //pushes the value of that object (top item must be a variable, or expression
69 //#define DW_OP_APPLE_deref_type 0xF4 // gets the address of the top stack
70 //item (top item must be a variable, or a clang type)
71 //#define DW_OP_APPLE_expr_local 0xF5 // ULEB128 expression local index
72 //#define DW_OP_APPLE_constf 0xF6 // 1 byte float size, followed by
74 //#define DW_OP_APPLE_scalar_cast 0xF7 // Cast top of stack to 2nd in stack's
75 //type leaving all items in place
76 //#define DW_OP_APPLE_clang_cast 0xF8 // pointer size clang::Type * off the
77 //stack and cast top stack item to this type
78 //#define DW_OP_APPLE_clear 0xFE // clears the entire expression stack,
79 //ok if the stack is empty
80 //#define DW_OP_APPLE_error 0xFF // Stops expression evaluation and
81 //returns an error (no args)
83 typedef lldb_private::RangeArray<dw_addr_t, dw_addr_t, 2> DWARFRangeList;
85 #endif // DebugBase_dwarf_h_