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Diffstat (limited to 'include/lldb/Core/dwarf.h')
-rw-r--r-- | include/lldb/Core/dwarf.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/lldb/Core/dwarf.h b/include/lldb/Core/dwarf.h new file mode 100644 index 000000000000..bf77125d86a8 --- /dev/null +++ b/include/lldb/Core/dwarf.h @@ -0,0 +1,64 @@ +//===-- dwarf.h -------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef DebugBase_dwarf_h_ +#define DebugBase_dwarf_h_ + +#include <stdint.h> +#include <stdbool.h> + +// Get the DWARF constant defintions from llvm +#include "llvm/Support/Dwarf.h" +// and stuff them in our default namespace +using namespace llvm::dwarf; + +typedef uint32_t dw_uleb128_t; +typedef int32_t dw_sleb128_t; +typedef uint16_t dw_attr_t; +typedef uint8_t dw_form_t; +typedef uint16_t dw_tag_t; +typedef uint64_t dw_addr_t; // Dwarf address define that must be big enough for any addresses in the compile units that get parsed + +#ifdef DWARFUTILS_DWARF64 +#define DWARF_REF_ADDR_SIZE 8 +typedef uint64_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file +#else +#define DWARF_REF_ADDR_SIZE 4 +typedef uint32_t dw_offset_t; // Dwarf Debug Information Entry offset for any offset into the file +#endif + +/* Constants */ +#define DW_INVALID_OFFSET (~(dw_offset_t)0) +#define DW_INVALID_INDEX 0xFFFFFFFFul + +// #define DW_ADDR_none 0x0 + +#define DW_EH_PE_MASK_ENCODING 0x0F + +//// The following are used only internally within lldb - don't +//// document them in the llvm Dwarf.h header file, we won't see +//// them in executable files anywhere. +//// These constants fit between DW_OP_lo_user (0xe0) and DW_OP_hi_user (0xff). +// +//#define DW_OP_APPLE_array_ref 0xEE // first pops index, then pops array; pushes array[index] +//#define DW_OP_APPLE_extern 0xEF // ULEB128 index of external object (i.e., an entity from the program that was used in the expression) +#define DW_OP_APPLE_uninit 0xF0 // This is actually generated by some apple compilers in locations lists +//#define DW_OP_APPLE_assign 0xF1 // pops value off and assigns it to second item on stack (2nd item must have assignable context) +//#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) +//#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) +//#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) +//#define DW_OP_APPLE_expr_local 0xF5 // ULEB128 expression local index +//#define DW_OP_APPLE_constf 0xF6 // 1 byte float size, followed by constant float data +//#define DW_OP_APPLE_scalar_cast 0xF7 // Cast top of stack to 2nd in stack's type leaving all items in place +//#define DW_OP_APPLE_clang_cast 0xF8 // pointer size clang::Type * off the stack and cast top stack item to this type +//#define DW_OP_APPLE_clear 0xFE // clears the entire expression stack, ok if the stack is empty +//#define DW_OP_APPLE_error 0xFF // Stops expression evaluation and returns an error (no args) + + +#endif // DebugBase_dwarf_h_ |