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Reapply "[NFC][DebugInfo][DWARF] Create new low-level dwarf library (#… (#145959) (#146112)

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Reapply "[NFC][DebugInfo][DWARF] Create new low-level dwarf library (#…
(#145959)
    
This reapplies cbf781f0bd, with fixes for
the shared-library build and the unconventional sanitizer-runtime build.

Original Description:

This is the culmination of a series of changes described in [1].
    
Although somewhat large by line count, it is almost entirely mechanical,
creating a new library in DebugInfo/DWARF/LowLevel. This new library has
very minimal dependencies, allowing it to be used from more places than
the normal DebugInfo/DWARF library--in particular from MC.
    
1.
https://discourse.llvm.org/t/rfc-debuginfo-dwarf-refactor-into-to-lower-and-higher-level-libraries/86665/2
This commit is contained in:
Sterling-Augustine
2025-06-27 11:05:49 -07:00
committed by GitHub
parent a4be46e0e5
commit 23f1ba3ee4
57 changed files with 893 additions and 801 deletions
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5
lldb/source/Expression/DWARFExpression.cpp
View File

@@ -36,7 +36,8 @@
#include "lldb/Target/StackID.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
#include "llvm/DebugInfo/DWARF/DWARFExpressionPrinter.h"
#include "llvm/DebugInfo/DWARF/LowLevel/DWARFExpression.h"
using namespace lldb;
using namespace lldb_private;
@@ -81,7 +82,7 @@ void DWARFExpression::DumpLocation(Stream *s, lldb::DescriptionLevel level,
llvm::DIDumpOptions DumpOpts;
DumpOpts.GetNameForDWARFReg = GetRegName;
llvm::DWARFExpression E(m_data.GetAsLLVM(), m_data.GetAddressByteSize());
llvm::DWARFExpressionPrinter::print(&E, s->AsRawOstream(), DumpOpts, nullptr);
llvm::printDwarfExpression(&E, s->AsRawOstream(), DumpOpts, nullptr);
}
RegisterKind DWARFExpression::GetRegisterKind() const { return m_reg_kind; }

6
lldb/source/Symbol/UnwindPlan.cpp
View File

@@ -17,7 +17,8 @@
#include "lldb/Utility/Log.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
#include "llvm/DebugInfo/DWARF/DWARFExpressionPrinter.h"
#include "llvm/DebugInfo/DWARF/LowLevel/DWARFExpression.h"
#include <optional>
using namespace lldb;
@@ -89,8 +90,7 @@ static void DumpDWARFExpr(Stream &s, llvm::ArrayRef<uint8_t> expr, Thread *threa
order_and_width->second);
llvm::DWARFExpression E(data, order_and_width->second,
llvm::dwarf::DWARF32);
llvm::DWARFExpressionPrinter::print(&E, s.AsRawOstream(),
llvm::DIDumpOptions(), nullptr);
printDwarfExpression(&E, s.AsRawOstream(), llvm::DIDumpOptions(), nullptr);
} else
s.PutCString("dwarf-expr");
}