diff options
Diffstat (limited to 'source/Plugins/SymbolFile/DWARF/DWARFLocationDescription.cpp')
| -rw-r--r-- | source/Plugins/SymbolFile/DWARF/DWARFLocationDescription.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFLocationDescription.cpp b/source/Plugins/SymbolFile/DWARF/DWARFLocationDescription.cpp deleted file mode 100644 index d79ae79822b0..000000000000 --- a/source/Plugins/SymbolFile/DWARF/DWARFLocationDescription.cpp +++ /dev/null @@ -1,172 +0,0 @@ -//===-- DWARFLocationDescription.cpp ----------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "DWARFLocationDescription.h" -#include "DWARFDefines.h" -#include "lldb/lldb-private.h" -#include "lldb/Core/Stream.h" - - -using namespace lldb_private; - -static int print_dwarf_exp_op (Stream &s, const DWARFDataExtractor& data, lldb::offset_t *offset_ptr, int address_size, int dwarf_ref_size); - -int -print_dwarf_expression (Stream &s, - const DWARFDataExtractor& data, - int address_size, - int dwarf_ref_size, - bool location_expression) -{ - int op_count = 0; - lldb::offset_t offset = 0; - while (data.ValidOffset(offset)) - { - if (location_expression && op_count > 0) - { - // err (baton, "Dwarf location expressions may only have one operand!"); - return 1; - } - if (op_count > 0) - { - s.PutCString(", "); - } - if (print_dwarf_exp_op (s, data, &offset, address_size, dwarf_ref_size) == 1) - return 1; - op_count++; - } - - return 0; -} - -static int -print_dwarf_exp_op (Stream &s, - const DWARFDataExtractor& data, - lldb::offset_t *offset_ptr, - int address_size, - int dwarf_ref_size) -{ - uint8_t opcode = data.GetU8(offset_ptr); - DRC_class opcode_class; - uint64_t uint; - int64_t sint; - - int size; - - opcode_class = DW_OP_value_to_class (opcode) & (~DRC_DWARFv3); - - s.Printf("%s ", DW_OP_value_to_name (opcode)); - - /* Does this take zero parameters? If so we can shortcut this function. */ - if (opcode_class == DRC_ZEROOPERANDS) - return 0; - - if (opcode_class == DRC_TWOOPERANDS && opcode == DW_OP_bregx) - { - uint = data.GetULEB128(offset_ptr); - sint = data.GetSLEB128(offset_ptr); - s.Printf("%" PRIu64 " %" PRIi64, uint, sint); - return 0; - } - if (opcode_class != DRC_ONEOPERAND) - { - s.Printf("UNKNOWN OP %u", opcode); - return 1; - } - - switch (opcode) - { - case DW_OP_addr: size = address_size; break; - case DW_OP_const1u: size = 1; break; - case DW_OP_const1s: size = -1; break; - case DW_OP_const2u: size = 2; break; - case DW_OP_const2s: size = -2; break; - case DW_OP_const4u: size = 4; break; - case DW_OP_const4s: size = -4; break; - case DW_OP_const8u: size = 8; break; - case DW_OP_const8s: size = -8; break; - case DW_OP_constu: size = 128; break; - case DW_OP_consts: size = -128; break; - case DW_OP_fbreg: size = -128; break; - case DW_OP_breg0: - case DW_OP_breg1: - case DW_OP_breg2: - case DW_OP_breg3: - case DW_OP_breg4: - case DW_OP_breg5: - case DW_OP_breg6: - case DW_OP_breg7: - case DW_OP_breg8: - case DW_OP_breg9: - case DW_OP_breg10: - case DW_OP_breg11: - case DW_OP_breg12: - case DW_OP_breg13: - case DW_OP_breg14: - case DW_OP_breg15: - case DW_OP_breg16: - case DW_OP_breg17: - case DW_OP_breg18: - case DW_OP_breg19: - case DW_OP_breg20: - case DW_OP_breg21: - case DW_OP_breg22: - case DW_OP_breg23: - case DW_OP_breg24: - case DW_OP_breg25: - case DW_OP_breg26: - case DW_OP_breg27: - case DW_OP_breg28: - case DW_OP_breg29: - case DW_OP_breg30: - case DW_OP_breg31: - size = -128; break; - case DW_OP_pick: - size = 1; break; - case DW_OP_deref_size: - size = 1; break; - case DW_OP_xderef_size: - size = 1; break; - case DW_OP_plus_uconst: - size = 128; break; - case DW_OP_skip: - size = -2; break; - case DW_OP_bra: - size = -2; break; - case DW_OP_call2: - size = 2; break; - case DW_OP_call4: - size = 4; break; - case DW_OP_call_ref: - size = dwarf_ref_size; break; - case DW_OP_piece: - size = 128; break; - case DW_OP_regx: - size = 128; break; - default: - s.Printf("UNKNOWN ONE-OPERAND OPCODE, #%u", opcode); - return 1; - } - - switch (size) - { - case -1: sint = (int8_t) data.GetU8(offset_ptr); s.Printf("%+" PRIi64, sint); break; - case -2: sint = (int16_t) data.GetU16(offset_ptr); s.Printf("%+" PRIi64, sint); break; - case -4: sint = (int32_t) data.GetU32(offset_ptr); s.Printf("%+" PRIi64, sint); break; - case -8: sint = (int64_t) data.GetU64(offset_ptr); s.Printf("%+" PRIi64, sint); break; - case -128: sint = data.GetSLEB128(offset_ptr); s.Printf("%+" PRIi64, sint); break; - case 1: uint = data.GetU8(offset_ptr); s.Printf("0x%2.2" PRIx64, uint); break; - case 2: uint = data.GetU16(offset_ptr); s.Printf("0x%4.4" PRIx64, uint); break; - case 4: uint = data.GetU32(offset_ptr); s.Printf("0x%8.8" PRIx64, uint); break; - case 8: uint = data.GetU64(offset_ptr); s.Printf("0x%16.16" PRIx64, uint); break; - case 128: uint = data.GetULEB128(offset_ptr); s.Printf("0x%" PRIx64, uint); break; - } - - return 0; -} |