124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===-- DWARFDebugMacinfoEntry.cpp ------------------------------*- C++ -*-===// 224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// The LLVM Compiler Infrastructure 424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// This file is distributed under the University of Illinois Open Source 624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// License. See LICENSE.TXT for details. 724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===----------------------------------------------------------------------===// 924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include "DWARFDebugMacinfoEntry.h" 1124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include "lldb/Core/Stream.h" 1324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerusing namespace lldb_private; 1524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerusing namespace std; 1624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1724943d2ee8bfaa7cf5893e4709143924157a5c1eChris LattnerDWARFDebugMacinfoEntry::DWARFDebugMacinfoEntry() : 1824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_type_code(0), 1924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_line(0), 2024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2() 2124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 2224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2.cstr = NULL; 2324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} 2424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 2524943d2ee8bfaa7cf5893e4709143924157a5c1eChris LattnerDWARFDebugMacinfoEntry::~DWARFDebugMacinfoEntry() 2624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 2724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} 2824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 2924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerconst char* 3024943d2ee8bfaa7cf5893e4709143924157a5c1eChris LattnerDWARFDebugMacinfoEntry::GetCString() const 3124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 3224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner switch (m_type_code) 3324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 3424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case 0: 3524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_start_file: 3624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_end_file: 3724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return NULL; 3824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner default: 3924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 4024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 4124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return m_op2.cstr; 4224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} 4324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnervoid 4724943d2ee8bfaa7cf5893e4709143924157a5c1eChris LattnerDWARFDebugMacinfoEntry::Dump(Stream *s) const 4824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 4924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner if (m_type_code) 5024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 5124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner s->PutCString(DW_MACINFO_value_to_name(m_type_code)); 5224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 5324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner switch (m_type_code) 5424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 5524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_define: 5624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner s->Printf(" line:%u #define %s\n", (uint32_t)m_line, m_op2.cstr); 5724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 5824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 5924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_undef: 6024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner s->Printf(" line:%u #undef %s\n", (uint32_t)m_line, m_op2.cstr); 6124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 6224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 6324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner default: 6424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner s->Printf(" line:%u str: '%s'\n", (uint32_t)m_line, m_op2.cstr); 6524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 6624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 6724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_start_file: 687e5fa7fc1f8efd24c078e063b2c4b5e13ba5be20Jason Molenda s->Printf(" line:%u file index: '%u'\n", (uint32_t)m_line, (uint32_t)m_op2.file_idx); 6924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 7024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 7124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_end_file: 7224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 7324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 7424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 7524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner else 7624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 7724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner s->PutCString(" END\n"); 7824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 7924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} 8024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 8124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 8224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerbool 8336da2aa6dc5ad9994b638ed09eb81c44cc05540bGreg ClaytonDWARFDebugMacinfoEntry::Extract(const DataExtractor& mac_info_data, lldb::offset_t* offset_ptr) 8424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 8524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner if (mac_info_data.ValidOffset(*offset_ptr)) 8624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 8724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_type_code = mac_info_data.GetU8(offset_ptr); 8824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 8924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner switch (m_type_code) 9024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 9124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 9224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_define: 9324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_undef: 9424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // 2 operands: 9524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Arg 1: operand encodes the line number of the source line on which 9624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // the relevant defining or undefining pre-processor directives 9724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // appeared. 9824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_line = mac_info_data.GetULEB128(offset_ptr); 9924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Arg 2: define string 10024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2.cstr = mac_info_data.GetCStr(offset_ptr); 10124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 10224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 10324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_start_file: 10424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // 2 operands: 10524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Op 1: line number of the source line on which the inclusion 10624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // pre-processor directive occurred. 10724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_line = mac_info_data.GetULEB128(offset_ptr); 10824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Op 2: a source file name index to a file number in the statement 10924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // information table for the relevant compilation unit. 11024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2.file_idx = mac_info_data.GetULEB128(offset_ptr); 11124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 11224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 11324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case 0: // End of list 11424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner case DW_MACINFO_end_file: 11524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // No operands 11624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_line = DW_INVALID_OFFSET; 11724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2.cstr = NULL; 11824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 11924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner default: 12024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Vendor specific entries always have a ULEB128 and a string 12124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_line = mac_info_data.GetULEB128(offset_ptr); 12224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_op2.cstr = mac_info_data.GetCStr(offset_ptr); 12324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner break; 12424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 12524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return true; 12624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 12724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner else 12824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_type_code = 0; 12924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 13024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return false; 13124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} 13224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 133