[llvm] r351789 - [llvm-readelf]Revert --dyn-symbols behaviour to make it GNU compatible, and add new --hash-symbols switch for old behaviour
James Henderson via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 22 01:35:35 PST 2019
Author: jhenderson
Date: Tue Jan 22 01:35:35 2019
New Revision: 351789
URL: http://llvm.org/viewvc/llvm-project?rev=351789&view=rev
Log:
[llvm-readelf]Revert --dyn-symbols behaviour to make it GNU compatible, and add new --hash-symbols switch for old behaviour
In r287786, the behaviour of --dyn-symbols in llvm-readelf (but not
llvm-readobj) was changed to print the dynamic symbols as derived from
the hash table, rather than to print the dynamic symbol table contents
directly. The original change was initially submitted without review,
and some comments were made on the commit mailing list implying that the
new behavious is GNU compatible. I argue that it is not:
1) It does not include a null symbol.
2) It prints the symbols based on an order derived from the hash
table.
3) It prints an extra column indicating which bucket it came from.
This could break parsers that expect a fixed number of columns,
with the first column being the symbol index.
4) If the input happens to have both .hash and .gnu.hash section, it
prints interpretations of them both, resulting in most symbols
being printed twice.
5) There is no way of just printing the raw dynamic symbol table,
because --symbols also prints the static symbol table.
This patch reverts the --dyn-symbols behaviour back to its old behaviour
of just printing the contents of the dynamic symbol table, similar to
what is printed by --symbols. As the hashed interpretation is still
desirable to validate the hash table, it puts it under a new switch
"--hash-symbols". This is a no-op on all output forms except for GNU
output style for ELF. If there is no hash table, it does nothing,
unlike the previous behaviour which printed the raw dynamic symbol
table, since the raw dynsym is available under --dyn-symbols.
The yaml input for the test is based on that in
test/tools/llvm-readobj/demangle.test, but stripped down to the bare
minimum to provide a valid dynamic symbol.
Note: some LLD tests needed updating. I will commit a separate patch for
those.
Reviewed by: grimar, rupprecht
Differential Revision: https://reviews.llvm.org/D56910
Added:
llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test
Modified:
llvm/trunk/test/tools/llvm-readobj/gnu-symbols.test
llvm/trunk/tools/llvm-readobj/ELFDumper.cpp
llvm/trunk/tools/llvm-readobj/ObjDumper.h
llvm/trunk/tools/llvm-readobj/llvm-readobj.cpp
Added: llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test?rev=351789&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test Tue Jan 22 01:35:35 2019
@@ -0,0 +1,107 @@
+# RUN: llvm-readelf --hash-symbols %p/Inputs/dynamic-table-exe.x86 \
+# RUN: | FileCheck %s --check-prefix HASH
+
+# HASH: Symbol table of .hash for image:
+# HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# HASH-NEXT: 9 0: 00000000 0 FUNC GLOBAL DEFAULT UND __gxx_personality_v0 at CXXABI_1.3
+# HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
+# HASH-NEXT: 7 0: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode at GLIBCXX_3.4
+# HASH-NEXT: 2 0: 00000000 0 NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses{{$}}
+# HASH-NEXT: 1 0: 00000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__{{$}}
+# HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
+# HASH-NEXT: 10 1: 00000000 0 FUNC GLOBAL DEFAULT UND _Unwind_Resume at GCC_3.0
+# HASH-NEXT: 8 1: 00000000 0 FUNC GLOBAL DEFAULT UND puts at GLIBC_2.0
+# HASH-NEXT: 12 1: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
+# HASH-NEXT: 6 1: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev at GLIBCXX_3.4
+# HASH-NEXT: 5 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_registerTMCloneTable{{$}}
+# HASH-NEXT: 4 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTable{{$}}
+# HASH-NEXT: 3 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main at GLIBC_2.0
+# HASH-NEXT: 11 2: 00000000 0 FUNC WEAK DEFAULT UND __cxa_finalize at GLIBC_2.1.3
+# HASH-NEXT: 15 2: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
+# HASH-NEXT: 14 2: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
+# HASH: Symbol table of .gnu.hash for image:
+# HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# HASH-NEXT: 12 0: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
+# HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
+# HASH-NEXT: 14 1: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
+# HASH-NEXT: 15 1: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
+# HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
+
+## Show that if there are no hash sections, we do not print anything.
+# RUN: yaml2obj %s -o %t.o
+# RUN: llvm-readelf --hash-symbols %t.o \
+# RUN: | FileCheck %s --check-prefix NO-HASH --allow-empty
+
+# NO-HASH-NOT: {{.}}
+
+## Sanity check that we can still find the dynamic symbols (i.e. the above test
+## doesn't pass due to a mistake in the dynamic section).
+# RUN: llvm-readelf --dyn-symbols %t.o | FileCheck %s --check-prefix DYNSYMS
+
+# DYNSYMS: Symbol table '.dynsym' contains 2 entries:
+
+!ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_X86_64
+Sections:
+ ## TODO: Replace the raw section contents with more meaningful dynamic
+ ## tags/symbols/etc, once yaml2obj supports it.
+ ## FIXME: yaml2obj does not currently allow custom addresses for .dynstr and
+ ## .dynsym if DynamicSymbols are specified.
+ ## See https://bugs.llvm.org/show_bug.cgi?id=40339
+ - Name: .dynstr
+ Type: SHT_STRTAB
+ Flags: [ SHF_ALLOC ]
+ AddressAlign: 0x100
+ EntSize: 0x1
+ ## "\0_Z3fooi\0"
+ Content: "005f5a33666f6f6900"
+ - Name: .dynsym
+ Type: SHT_DYNSYM
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Info: 1
+ Address: 0x100
+ AddressAlign: 0x100
+ EntSize: 0x18
+ ## Null symbol;
+ ## st_name: 1; st_info: Global | Func; st_other: 0;
+ ## st_shndx: .text.foo; st_value: 0x2000; st_size: 0
+ Content: "000000000000000000000000000000000000000000000000010000001200040000200000000000000000000000000000"
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Address: 0x1000
+ AddressAlign: 0x1000
+ ## DT_STRTAB - 0x0
+ ## DT_STRSZ - 0x9
+ ## DT_SYMTAB - 0x100
+ ## DT_SYMENT - 0x18
+ ## DT_NULL - 0x0
+ Content: "050000000000000000000000000000000a000000000000000900000000000000060000000000000000010000000000000b00000000000000180000000000000000000000000000000000000000000000"
+ - Name: .text.foo
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+ Size: 0x40
+ Address: 0x2000
+ AddressAlign: 0x2000
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_R, PF_X ]
+ VAddr: 0x0
+ PAddr: 0x0
+ Sections:
+ - Section: .dynsym
+ - Section: .dynstr
+ - Section: .dynamic
+ - Section: .text.foo
+ - Type: PT_DYNAMIC
+ Flags: [ PF_R ]
+ VAddr: 0x1000
+ PAddr: 0x1000
+ Sections:
+ - Section: .dynamic
Modified: llvm/trunk/test/tools/llvm-readobj/gnu-symbols.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/gnu-symbols.test?rev=351789&r1=351788&r2=351789&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/gnu-symbols.test (original)
+++ llvm/trunk/test/tools/llvm-readobj/gnu-symbols.test Tue Jan 22 01:35:35 2019
@@ -3,9 +3,9 @@ RUN: --elf-output-style=GNU | FileCheck
RUN: llvm-readobj -symbols %p/Inputs/relocs.obj.elf-x86_64 --elf-output-style=GNU \
RUN: | FileCheck %s -check-prefix ELF64
RUN: llvm-readobj -symbols %p/Inputs/gnuhash.so.elf-x86_64 --elf-output-style=GNU \
-RUN: | FileCheck %s -check-prefix DYN
-RUN: llvm-readobj -dyn-symbols %p/Inputs/dynamic-table-exe.x86 --elf-output-style=GNU \
-RUN: | FileCheck %s -check-prefix HASH
+RUN: | FileCheck %s -check-prefixes=SYMTAB,DYN
+RUN: llvm-readobj -dyn-symbols %p/Inputs/gnuhash.so.elf-x86_64 --elf-output-style=GNU \
+RUN: | FileCheck %s -check-prefixes=NO-SYMTAB,DYN
ELF32: Symbol table '.symtab' contains 5 entries:
ELF32-NEXT: Num: Value Size Type Bind Vis Ndx Name
@@ -24,6 +24,8 @@ ELF64-NEXT: 3: 0000000000000000
ELF64-NEXT: 4: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND _GLOBAL_OFFSET_TABLE_
ELF64-NEXT: 5: 0000000000000000 0 TLS GLOBAL DEFAULT UND sym
+NO-SYMTAB-NOT: Symbol table '.symtab'
+
DYN:Symbol table '.dynsym' contains 5 entries:
DYN-NEXT: Num: Value Size Type Bind Vis Ndx Name
DYN-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
@@ -32,43 +34,19 @@ DYN-NEXT: 2: 0000000000200268 0
DYN-NEXT: 3: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 _end
DYN-NEXT: 4: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 __bss_start
-DYN: Symbol table '.symtab' contains 12 entries:
-DYN-NEXT: Num: Value Size Type Bind Vis Ndx Name
-DYN-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
-DYN-NEXT: 1: 00000000000000e8 0 SECTION LOCAL DEFAULT 1
-DYN-NEXT: 2: 0000000000000120 0 SECTION LOCAL DEFAULT 2
-DYN-NEXT: 3: 0000000000000198 0 SECTION LOCAL DEFAULT 3
-DYN-NEXT: 4: 00000000000001b8 0 SECTION LOCAL DEFAULT 4
-DYN-NEXT: 5: 00000000002001b8 0 SECTION LOCAL DEFAULT 5
-DYN-NEXT: 6: 00000000002001b8 0 OBJECT LOCAL DEFAULT 5 _DYNAMIC
-DYN-NEXT: 7: 0000000000200268 0 OBJECT LOCAL DEFAULT 5 _GLOBAL_OFFSET_TABLE_
-DYN-NEXT: 8: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 __bss_start
-DYN-NEXT: 9: 00000000000001b8 0 NOTYPE GLOBAL DEFAULT 4 foo
-DYN-NEXT: 10: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 _edata
-DYN-NEXT: 11: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 _end
-
-HASH: Symbol table of .hash for image:
-HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
-HASH-NEXT: 9 0: 00000000 0 FUNC GLOBAL DEFAULT UND __gxx_personality_v0 at CXXABI_1.3
-HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
-HASH-NEXT: 7 0: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode at GLIBCXX_3.4
-HASH-NEXT: 2 0: 00000000 0 NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses{{$}}
-HASH-NEXT: 1 0: 00000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__{{$}}
-HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
-HASH-NEXT: 10 1: 00000000 0 FUNC GLOBAL DEFAULT UND _Unwind_Resume at GCC_3.0
-HASH-NEXT: 8 1: 00000000 0 FUNC GLOBAL DEFAULT UND puts at GLIBC_2.0
-HASH-NEXT: 12 1: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
-HASH-NEXT: 6 1: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev at GLIBCXX_3.4
-HASH-NEXT: 5 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_registerTMCloneTable{{$}}
-HASH-NEXT: 4 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTable{{$}}
-HASH-NEXT: 3 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main at GLIBC_2.0
-HASH-NEXT: 11 2: 00000000 0 FUNC WEAK DEFAULT UND __cxa_finalize at GLIBC_2.1.3
-HASH-NEXT: 15 2: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
-HASH-NEXT: 14 2: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
-HASH: Symbol table of .gnu.hash for image:
-HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
-HASH-NEXT: 12 0: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
-HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
-HASH-NEXT: 14 1: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
-HASH-NEXT: 15 1: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
-HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
+NO-SYMTAB-NOT: Symbol table '.symtab'
+
+SYMTAB: Symbol table '.symtab' contains 12 entries:
+SYMTAB-NEXT: Num: Value Size Type Bind Vis Ndx Name
+SYMTAB-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
+SYMTAB-NEXT: 1: 00000000000000e8 0 SECTION LOCAL DEFAULT 1
+SYMTAB-NEXT: 2: 0000000000000120 0 SECTION LOCAL DEFAULT 2
+SYMTAB-NEXT: 3: 0000000000000198 0 SECTION LOCAL DEFAULT 3
+SYMTAB-NEXT: 4: 00000000000001b8 0 SECTION LOCAL DEFAULT 4
+SYMTAB-NEXT: 5: 00000000002001b8 0 SECTION LOCAL DEFAULT 5
+SYMTAB-NEXT: 6: 00000000002001b8 0 OBJECT LOCAL DEFAULT 5 _DYNAMIC
+SYMTAB-NEXT: 7: 0000000000200268 0 OBJECT LOCAL DEFAULT 5 _GLOBAL_OFFSET_TABLE_
+SYMTAB-NEXT: 8: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 __bss_start
+SYMTAB-NEXT: 9: 00000000000001b8 0 NOTYPE GLOBAL DEFAULT 4 foo
+SYMTAB-NEXT: 10: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 _edata
+SYMTAB-NEXT: 11: 0000000000200268 0 NOTYPE GLOBAL DEFAULT 5 _end
Modified: llvm/trunk/tools/llvm-readobj/ELFDumper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/ELFDumper.cpp?rev=351789&r1=351788&r2=351789&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/ELFDumper.cpp (original)
+++ llvm/trunk/tools/llvm-readobj/ELFDumper.cpp Tue Jan 22 01:35:35 2019
@@ -149,6 +149,7 @@ public:
void printDynamicRelocations() override;
void printSymbols() override;
void printDynamicSymbols() override;
+ void printHashSymbols() override;
void printUnwindInfo() override;
void printDynamicTable() override;
@@ -330,8 +331,9 @@ public:
virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0;
virtual void printSymbols(const ELFFile<ELFT> *Obj) = 0;
virtual void printDynamicSymbols(const ELFFile<ELFT> *Obj) = 0;
+ virtual void printHashSymbols(const ELFFile<ELFT> *Obj) {}
virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
- virtual void printSymtabMessage(const ELFFile<ELFT> *obj, StringRef Name,
+ virtual void printSymtabMessage(const ELFFile<ELFT> *Obj, StringRef Name,
size_t Offset) {}
virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
const Elf_Sym *FirstSym, StringRef StrTable,
@@ -365,6 +367,7 @@ public:
void printSectionHeaders(const ELFO *Obj) override;
void printSymbols(const ELFO *Obj) override;
void printDynamicSymbols(const ELFO *Obj) override;
+ void printHashSymbols(const ELFO *Obj) override;
void printDynamicRelocations(const ELFO *Obj) override;
void printSymtabMessage(const ELFO *Obj, StringRef Name,
size_t Offset) override;
@@ -1629,6 +1632,11 @@ void ELFDumper<ELFT>::printDynamicSymbol
ELFDumperStyle->printDynamicSymbols(ObjF->getELFFile());
}
+template<class ELFT>
+void ELFDumper<ELFT>::printHashSymbols() {
+ ELFDumperStyle->printHashSymbols(ObjF->getELFFile());
+}
+
template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
ELFDumperStyle->printHashHistogram(ObjF->getELFFile());
}
@@ -3176,19 +3184,18 @@ template <class ELFT> void GNUStyle<ELFT
template <class ELFT>
void GNUStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
+ this->dumper()->printSymbolsHelper(true);
+}
+
+template <class ELFT> void GNUStyle<ELFT>::printHashSymbols(const ELFO *Obj) {
if (this->dumper()->getDynamicStringTable().empty())
return;
auto StringTable = this->dumper()->getDynamicStringTable();
auto DynSyms = this->dumper()->dynamic_symbols();
- auto GnuHash = this->dumper()->getGnuHashTable();
auto SysVHash = this->dumper()->getHashTable();
- // If no hash or .gnu.hash found, try using symbol table
- if (GnuHash == nullptr && SysVHash == nullptr)
- this->dumper()->printSymbolsHelper(true);
-
// Try printing .hash
- if (this->dumper()->getHashTable()) {
+ if (SysVHash) {
OS << "\n Symbol table of .hash for image:\n";
if (ELFT::Is64Bits)
OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
@@ -3212,6 +3219,7 @@ void GNUStyle<ELFT>::printDynamicSymbols
}
// Try printing .gnu.hash
+ auto GnuHash = this->dumper()->getGnuHashTable();
if (GnuHash) {
OS << "\n Symbol table of .gnu.hash for image:\n";
if (ELFT::Is64Bits)
Modified: llvm/trunk/tools/llvm-readobj/ObjDumper.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/ObjDumper.h?rev=351789&r1=351788&r2=351789&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/ObjDumper.h (original)
+++ llvm/trunk/tools/llvm-readobj/ObjDumper.h Tue Jan 22 01:35:35 2019
@@ -46,6 +46,7 @@ public:
virtual void printSectionAsHex(StringRef SectionName) {}
virtual void printHashTable() { }
virtual void printGnuHashTable() { }
+ virtual void printHashSymbols() {}
virtual void printLoadName() {}
virtual void printVersionInfo() {}
virtual void printGroupSections() {}
Modified: llvm/trunk/tools/llvm-readobj/llvm-readobj.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/llvm-readobj.cpp?rev=351789&r1=351788&r2=351789&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/llvm-readobj.cpp (original)
+++ llvm/trunk/tools/llvm-readobj/llvm-readobj.cpp Tue Jan 22 01:35:35 2019
@@ -136,6 +136,11 @@ namespace opts {
cl::alias DynSymsGNU("dyn-syms", cl::desc("Alias for --dyn-symbols"),
cl::aliasopt(DynamicSymbols));
+ // -hash-symbols
+ cl::opt<bool> HashSymbols(
+ "hash-symbols",
+ cl::desc("Display the dynamic symbols derived from the hash section"));
+
// -unwind, -u
cl::opt<bool> UnwindInfo("unwind",
cl::desc("Display unwind information"));
@@ -461,6 +466,8 @@ static void dumpObject(const ObjectFile
Dumper->printSymbols();
if (opts::DynamicSymbols)
Dumper->printDynamicSymbols();
+ if (opts::HashSymbols)
+ Dumper->printHashSymbols();
if (opts::UnwindInfo)
Dumper->printUnwindInfo();
if (opts::DynamicTable)
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