[lldb] Change synthetic symbol names to have file address (llvm#137512)

Changes the default synthetic symbol names to contain their file address

Author: eronnen

lldb/source/Symbol/Symbol.cpp

@@ -639,7 +639,9 @@ void Symbol::SynthesizeNameIfNeeded() const {
     // breakpoints on them.
     llvm::SmallString<256> name;
     llvm::raw_svector_ostream os(name);
-    os << GetSyntheticSymbolPrefix() << GetID();
+    os << GetSyntheticSymbolPrefix() << "_"
+       << llvm::format_hex_no_prefix(
+              m_addr_range.GetBaseAddress().GetFileAddress(), 0);
     m_mangled.SetDemangledName(ConstString(os.str()));
   }
 }

lldb/test/Shell/ObjectFile/ELF/eh_frame-symbols.yaml

@@ -3,8 +3,8 @@
 
 # CHECK: Index   UserID DSX Type            File Address/Value Load Address       Size               Flags      Name
 # CHECK: [    0]      1     SourceFile      0x0000000000000000                    0x0000000000000000 0x00000004 -
-# CHECK: [    1]      2  SX Code            0x0000000000201180                    0x0000000000000010 0x00000000 ___lldb_unnamed_symbol{{[0-9]*}}
-# CHECK: [    2]      3  SX Code            0x0000000000201190                    0x0000000000000006 0x00000000 ___lldb_unnamed_symbol{{[0-9]*}}
+# CHECK: [    1]      2  SX Code            0x0000000000201180                    0x0000000000000010 0x00000000 ___lldb_unnamed_symbol_{{[0-9a-f]*}}
+# CHECK: [    2]      3  SX Code            0x0000000000201190                    0x0000000000000006 0x00000000 ___lldb_unnamed_symbol_{{[0-9a-f]*}}
 
 --- !ELF
 FileHeader:

lldb/test/Shell/SymbolFile/Breakpad/symtab-sorted-by-size.test

@@ -3,7 +3,7 @@
 # RUN:   -s %s | FileCheck %s
 
 # CHECK: num_symbols = 4 (sorted by size):
-# CHECK: [    0]      0  SX Code            0x0000000000400000                    0x00000000000000b0 0x00000000 ___lldb_unnamed_symbol0
+# CHECK: [    0]      0  SX Code            0x0000000000400000                    0x00000000000000b0 0x00000000 ___lldb_unnamed_symbol_400000
 # CHECK: [    1]      0   X Code            0x00000000004000d0                    0x0000000000000022 0x00000000 _start
 # CHECK: [    2]      0   X Code            0x00000000004000b0                    0x0000000000000010 0x00000000 f1
 # CHECK: [    3]      0   X Code            0x00000000004000c0                    0x0000000000000010 0x00000000 f2

lldb/test/Shell/SymbolFile/Breakpad/symtab.test

@@ -5,7 +5,7 @@
 # CHECK-LABEL: (lldb) image dump symtab symtab.out
 # CHECK: Symtab, file = {{.*}}symtab.out, num_symbols = 4:
 # CHECK: Index   UserID DSX Type            File Address/Value Load Address       Size               Flags      Name
-# CHECK: [    0]      0  SX Code            0x0000000000400000                    0x00000000000000b0 0x00000000 ___lldb_unnamed_symbol{{[0-9]*}}
+# CHECK: [    0]      0  SX Code            0x0000000000400000                    0x00000000000000b0 0x00000000 ___lldb_unnamed_symbol_{{[0-9a-f]*}}
 # CHECK: [    1]      0   X Code            0x00000000004000b0                    0x0000000000000010 0x00000000 f1
 # CHECK: [    2]      0   X Code            0x00000000004000c0                    0x0000000000000010 0x00000000 f2
 # CHECK: [    3]      0   X Code            0x00000000004000d0                    0x0000000000000022 0x00000000 _start