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[LLDB] - Improved DWARF5 support.

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This patch improves the support of DWARF5.
Particularly the reporting of source code locations.

Differential revision: https://reviews.llvm.org/D51935

llvm-svn: 342153
This commit is contained in:
George Rimar
2018-09-13 17:06:47 +00:00
parent f353ae1848
commit c6c7bfc4d2
18 changed files with 393 additions and 81 deletions
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18
lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h
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@@ -19,6 +19,9 @@
#include "DWARFDataExtractor.h"
#include "DWARFDefines.h"
#include "llvm/Support/MD5.h"
class DWARFUnit;
class SymbolFileDWARF;
//----------------------------------------------------------------------
@@ -36,6 +39,7 @@ public:
dw_sleb128_t dir_idx;
dw_sleb128_t mod_time;
dw_sleb128_t length;
llvm::MD5::MD5Result checksum;
};
//------------------------------------------------------------------
@@ -55,6 +59,10 @@ public:
// total_length field itself).
uint16_t
version; // Version identifier for the statement information format.
uint8_t address_size;
uint8_t segment_selector_size;
uint32_t prologue_length; // The number of bytes following the
// prologue_length field to the beginning of the
// first byte of the statement program itself.
@@ -201,14 +209,15 @@ public:
const lldb_private::DWARFDataExtractor &debug_line_data,
const lldb_private::FileSpec &cu_comp_dir,
dw_offset_t stmt_list,
lldb_private::FileSpecList &support_files);
lldb_private::FileSpecList &support_files, DWARFUnit *dwarf_cu);
static bool
ParsePrologue(const lldb_private::DWARFDataExtractor &debug_line_data,
lldb::offset_t *offset_ptr, Prologue *prologue);
lldb::offset_t *offset_ptr, Prologue *prologue,
DWARFUnit *dwarf_cu = nullptr);
static bool
ParseStatementTable(const lldb_private::DWARFDataExtractor &debug_line_data,
lldb::offset_t *offset_ptr, State::Callback callback,
void *userData);
void *userData, DWARFUnit *dwarf_cu);
static dw_offset_t
DumpStatementTable(lldb_private::Log *log,
const lldb_private::DWARFDataExtractor &debug_line_data,
@@ -219,7 +228,8 @@ public:
const dw_offset_t line_offset, uint32_t flags);
static bool
ParseStatementTable(const lldb_private::DWARFDataExtractor &debug_line_data,
lldb::offset_t *offset_ptr, LineTable *line_table);
lldb::offset_t *offset_ptr, LineTable *line_table,
DWARFUnit *dwarf_cu);
static void Parse(const lldb_private::DWARFDataExtractor &debug_line_data,
DWARFDebugLine::State::Callback callback, void *userData);
// static void AppendLineTableData(const DWARFDebugLine::Prologue* prologue,