dwarf.h revision 263363
1//===-- dwarf.h -------------------------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef DebugBase_dwarf_h_ 11#define DebugBase_dwarf_h_ 12 13#include <stdint.h> 14 15// Get the DWARF constant defintions from llvm 16#include "llvm/Support/Dwarf.h" 17// and stuff them in our default namespace 18using namespace llvm::dwarf; 19 20typedef uint32_t dw_uleb128_t; 21typedef int32_t dw_sleb128_t; 22typedef uint16_t dw_attr_t; 23typedef uint8_t dw_form_t; 24typedef uint16_t dw_tag_t; 25typedef uint64_t dw_addr_t; // Dwarf address define that must be big enough for any addresses in the compile units that get parsed 26 27#ifdef DWARFUTILS_DWARF64 28#define DWARF_REF_ADDR_SIZE 8 29typedef uint64_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file 30#else 31#define DWARF_REF_ADDR_SIZE 4 32typedef uint32_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file 33#endif 34 35/* Constants */ 36#define DW_INVALID_OFFSET (~(dw_offset_t)0) 37#define DW_INVALID_INDEX 0xFFFFFFFFul 38 39// #define DW_ADDR_none 0x0 40 41#define DW_EH_PE_MASK_ENCODING 0x0F 42 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). 47// 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) 61 62 63#endif // DebugBase_dwarf_h_ 64