[llvm] 18188a7 - [llvm-readobj][test] - Improve dyn-symbols.test.
Georgii Rymar via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 19 00:48:44 PST 2019
Author: Georgii Rymar
Date: 2019-12-19T11:39:45+03:00
New Revision: 18188a7f44506892a2f4be4100d66971f18000ec
URL: https://github.com/llvm/llvm-project/commit/18188a7f44506892a2f4be4100d66971f18000ec
DIFF: https://github.com/llvm/llvm-project/commit/18188a7f44506892a2f4be4100d66971f18000ec.diff
LOG: [llvm-readobj][test] - Improve dyn-symbols.test.
This removes the precompiled binary used, simplifies
the first test case, adds comments and llvm-readelf tool
invocations.
It also adds a test case for checking versioning symbols.
Differential revision: https://reviews.llvm.org/D71595
Added:
Modified:
llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table.c
llvm/test/tools/llvm-readobj/ELF/dyn-symbols.test
Removed:
llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table-so.x86
################################################################################
diff --git a/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table-so.x86 b/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table-so.x86
deleted file mode 100644
index 01bd1c2fc1ed..000000000000
Binary files a/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table-so.x86 and /dev/null
diff er
diff --git a/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table.c b/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table.c
index 9d45720eb672..24fa9b8238b5 100644
--- a/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table.c
+++ b/llvm/test/tools/llvm-readobj/ELF/Inputs/dynamic-table.c
@@ -1,5 +1,3 @@
-// clang -target x86_64-linux-gnu -shared -fPIC -lc dynamic-table.c \
-// -o dynamic-table-so.x86 -Wl,-f,aux.so -Wl,-F,filter.so
// clang -target mipsel-linux-gnu -shared -fPIC -lc dynamic-table.c \
// -o dynamic-table-so.mips
// clang -target mipsel-linux-gnu -lc dynamic-table.c \
diff --git a/llvm/test/tools/llvm-readobj/ELF/dyn-symbols.test b/llvm/test/tools/llvm-readobj/ELF/dyn-symbols.test
index bfcd821e0f97..19dfc0073cba 100644
--- a/llvm/test/tools/llvm-readobj/ELF/dyn-symbols.test
+++ b/llvm/test/tools/llvm-readobj/ELF/dyn-symbols.test
@@ -1,175 +1,88 @@
-# RUN: llvm-readobj --dyn-symbols %p/Inputs/dynamic-table-so.x86 | FileCheck %s
+## In this test we test that dynamic symbols are dumped as expected.
-## Check the two-letter alias --dt is equivalent to the --dyn-symbols full flag
-## name.
+## Case 1: Dynamic symbol table found via the DT_SYMTAB dynamic tag.
+# RUN: yaml2obj --docnum=1 %s -o %t1.so
+# RUN: llvm-readobj --dyn-symbols %t1.so 2>&1 \
+# RUN: | FileCheck %s --implicit-check-not="warning:" --check-prefix=DYNSYMS-LLVM
+# RUN: llvm-readelf --dyn-symbols %t1.so 2>&1 \
+# RUN: | FileCheck %s --implicit-check-not="warning:" --check-prefix=DYNSYMS-GNU
-# RUN: llvm-readobj --dt %p/Inputs/dynamic-table-so.x86 > %t.readobj-dt-alias
-# RUN: llvm-readobj --dyn-symbols %p/Inputs/dynamic-table-so.x86 > %t.readobj-dt-no-alias
-# RUN:
diff %t.readobj-dt-alias %t.readobj-dt-no-alias
+# DYNSYMS-LLVM: DynamicSymbols [
+# DYNSYMS-LLVM-NEXT: Symbol {
+# DYNSYMS-LLVM-NEXT: Name: (0)
+# DYNSYMS-LLVM-NEXT: Value: 0x0
+# DYNSYMS-LLVM-NEXT: Size: 0
+# DYNSYMS-LLVM-NEXT: Binding: Local (0x0)
+# DYNSYMS-LLVM-NEXT: Type: None (0x0)
+# DYNSYMS-LLVM-NEXT: Other: 0
+# DYNSYMS-LLVM-NEXT: Section: Undefined (0x0)
+# DYNSYMS-LLVM-NEXT: }
+# DYNSYMS-LLVM-NEXT: Symbol {
+# DYNSYMS-LLVM-NEXT: Name: foo (5)
+# DYNSYMS-LLVM-NEXT: Value: 0x0
+# DYNSYMS-LLVM-NEXT: Size: 0
+# DYNSYMS-LLVM-NEXT: Binding: Local (0x0)
+# DYNSYMS-LLVM-NEXT: Type: None (0x0)
+# DYNSYMS-LLVM-NEXT: Other: 0
+# DYNSYMS-LLVM-NEXT: Section: Undefined (0x0)
+# DYNSYMS-LLVM-NEXT: }
+# DYNSYMS-LLVM-NEXT: Symbol {
+# DYNSYMS-LLVM-NEXT: Name: bar (1)
+# DYNSYMS-LLVM-NEXT: Value: 0x0
+# DYNSYMS-LLVM-NEXT: Size: 0
+# DYNSYMS-LLVM-NEXT: Binding: Local (0x0)
+# DYNSYMS-LLVM-NEXT: Type: None (0x0)
+# DYNSYMS-LLVM-NEXT: Other: 0
+# DYNSYMS-LLVM-NEXT: Section: Undefined (0x0)
+# DYNSYMS-LLVM-NEXT: }
+# DYNSYMS-LLVM-NEXT: ]
-# CHECK: DynamicSymbols [
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name:
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Local
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name:
-# CHECK-NEXT: Value: 0x618
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Local
-# CHECK-NEXT: Type: Section
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .init
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name:
-# CHECK-NEXT: Value: 0x200DC0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Local
-# CHECK-NEXT: Type: Section
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .tbss
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _ITM_deregisterTMCloneTable{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Weak
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: puts at GLIBC_2.2.5{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: __tls_get_addr at GLIBC_2.3{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: __gmon_start__{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Weak
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _Jv_RegisterClasses{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Weak
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _ITM_registerTMCloneTable{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Weak
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: __cxa_finalize at GLIBC_2.2.5{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Weak
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: Undefined
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _edata{{ }}
-# CHECK-NEXT: Value: 0x201030
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .data
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: foo{{ }}
-# CHECK-NEXT: Value: 0x0
-# CHECK-NEXT: Size: 4
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: TLS
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .tbss
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _end{{ }}
-# CHECK-NEXT: Value: 0x201038
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .bss
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: __bss_start{{ }}
-# CHECK-NEXT: Value: 0x201030
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: None
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .bss
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: main{{ }}
-# CHECK-NEXT: Value: 0x780
-# CHECK-NEXT: Size: 59
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .text
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _init{{ }}
-# CHECK-NEXT: Value: 0x618
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .init
-# CHECK-NEXT: }
-# CHECK-NEXT: Symbol {
-# CHECK-NEXT: Name: _fini{{ }}
-# CHECK-NEXT: Value: 0x7BC
-# CHECK-NEXT: Size: 0
-# CHECK-NEXT: Binding: Global
-# CHECK-NEXT: Type: Function
-# CHECK-NEXT: Other: 0
-# CHECK-NEXT: Section: .fini
-# CHECK-NEXT: }
-# CHECK-NEXT: ]
+# DYNSYMS-GNU: Symbol table '.dynsym' contains 3 entries:
+# DYNSYMS-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name
+# DYNSYMS-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
+# DYNSYMS-GNU-NEXT: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo
+# DYNSYMS-GNU-NEXT: 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND bar
-## Check that we are able to dump the dynamic symbol table even when we have no program headers.
-## In this case we find the table by it's type (SHT_DYNSYM) and ignore the DT_SYMTAB value.
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_X86_64
+Sections:
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Entries:
+ - Tag: DT_SYMTAB
+ Value: 0x100
+ - Tag: DT_NULL
+ Value: 0
+ - Name: .dynsym
+ Type: SHT_DYNSYM
+ Address: 0x100
+DynamicSymbols:
+ - Name: foo
+ - Name: bar
+ProgramHeaders:
+ - Type: PT_LOAD
+ VAddr: 0x100
+ Sections:
+ - Section: .dynsym
-# RUN: yaml2obj --docnum=1 %s -o %t1.so
-# RUN: llvm-readobj %t1.so --dyn-symbols | FileCheck %s --check-prefix=NOPHDRS
+## Case 2: Check the two-letter alias --dt is equivalent to the --dyn-symbols
+## full flag name.
+# RUN: llvm-readobj --dt %t1.so > %t.readobj-dt-alias
+# RUN: llvm-readobj --dyn-symbols %t1.so > %t.readobj-dt-no-alias
+# RUN: cmp %t.readobj-dt-alias %t.readobj-dt-no-alias
+
+## Case 3: Check that we are able to dump the dynamic symbol table even when we have no program headers.
+## In this case we find the table by it's type (SHT_DYNSYM) and ignore the DT_SYMTAB value.
+# RUN: yaml2obj --docnum=2 %s -o %t2.so
+# RUN: llvm-readobj %t2.so --dyn-symbols | FileCheck %s --check-prefix=NOPHDRS-LLVM
+# RUN: llvm-readelf %t2.so --dyn-symbols | FileCheck %s --check-prefix=NOPHDRS-GNU
-# NOPHDRS: Name: foo
+# NOPHDRS-LLVM: Name: foo
+# NOPHDRS-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo
--- !ELF
FileHeader:
@@ -188,15 +101,15 @@ Sections:
DynamicSymbols:
- Name: foo
-## Check we report a warning when there is no SHT_DYNSYM section and we can't map the DT_SYMTAB value
+## Case 4: Check we report a warning when there is no SHT_DYNSYM section and we can't map the DT_SYMTAB value
## to an address because of the absence of a corresponding PT_LOAD program header.
+# RUN: yaml2obj --docnum=3 %s -o %t3.so
+# RUN: llvm-readobj %t3.so --dyn-symbols 2>&1 | FileCheck %s -DFILE=%t3.so --check-prefixes=NOSHT-DYNSYM,NOSHT-DYNSYM-LLVM
+# RUN: llvm-readelf %t3.so --dyn-symbols 2>&1 | FileCheck %s -DFILE=%t3.so --check-prefix=NOSHT-DYNSYM
-# RUN: yaml2obj --docnum=2 %s -o %t2.so
-# RUN: llvm-readobj %t2.so --dyn-symbols 2>&1 | FileCheck %s -DFILE=%t2.so --check-prefix=NOSHT-DYNSYM
-
-# NOSHT-DYNSYM: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0x0
-# NOSHT-DYNSYM: DynamicSymbols [
-# NOSHT-DYNSYM-NEXT: ]
+# NOSHT-DYNSYM: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0x0
+# NOSHT-DYNSYM-LLVM: DynamicSymbols [
+# NOSHT-DYNSYM-LLVM-NEXT: ]
--- !ELF
FileHeader:
@@ -217,14 +130,15 @@ Sections:
DynamicSymbols:
- Name: foo
-## Check that when we can't map the value of the DT_SYMTAB tag to an address, we report a warning and
+## Case 5: Check that when we can't map the value of the DT_SYMTAB tag to an address, we report a warning and
## use the information in the section header table to locate the dynamic symbol table.
+# RUN: yaml2obj --docnum=4 %s -o %t4.so
+# RUN: llvm-readobj %t4.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t4.so %s --check-prefixes=BROKEN-DTSYMTAB,BROKEN-DTSYMTAB-LLVM
+# RUN: llvm-readelf %t4.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t4.so %s --check-prefixes=BROKEN-DTSYMTAB,BROKEN-DTSYMTAB-GNU
-# RUN: yaml2obj --docnum=3 %s -o %t3.so
-# RUN: llvm-readobj %t3.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t3.so %s --check-prefix=BROKEN-DTSYMTAB
-
-# BROKEN-DTSYMTAB: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0xffff1234
-# BROKEN-DTSYMTAB: Name: foo
+# BROKEN-DTSYMTAB: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0xffff1234
+# BROKEN-DTSYMTAB-LLVM: Name: foo
+# BROKEN-DTSYMTAB-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo
--- !ELF
FileHeader:
@@ -248,14 +162,15 @@ ProgramHeaders:
Sections:
- Section: .dynsym
-## Check that if we can get the location of the dynamic symbol table using both the DT_SYMTAB value
+## Case 6: Check that if we can get the location of the dynamic symbol table using both the DT_SYMTAB value
## and the section headers table then we prefer the former and report a warning.
+# RUN: yaml2obj --docnum=5 %s -o %t5.so
+# RUN: llvm-readobj %t5.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t5.so %s --check-prefixes=PREFER-DTSYMTAB,PREFER-DTSYMTAB-LLVM
+# RUN: llvm-readelf %t5.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t5.so %s --check-prefixes=PREFER-DTSYMTAB,PREFER-DTSYMTAB-GNU
-# RUN: yaml2obj --docnum=4 %s -o %t4.so
-# RUN: llvm-readobj %t4.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t4.so %s --check-prefix=PREFER-DTSYMTAB
-
-# PREFER-DTSYMTAB: warning: '[[FILE]]': SHT_DYNSYM section header and DT_SYMTAB disagree about the location of the dynamic symbol table
-# PREFER-DTSYMTAB: Name: o
+# PREFER-DTSYMTAB: warning: '[[FILE]]': SHT_DYNSYM section header and DT_SYMTAB disagree about the location of the dynamic symbol table
+# PREFER-DTSYMTAB-LLVM: Name: o
+# PREFER-DTSYMTAB-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND o
--- !ELF
FileHeader:
@@ -284,3 +199,86 @@ ProgramHeaders:
VAddr: 0x0000
Sections:
- Section: .mydynsym
+
+## Case 7: Check how we dump versioned symbols. Use both -V and --dyn-symbols
+## to check that printed version is consistent.
+# RUN: yaml2obj %s --docnum=6 -o %t6
+# RUN: llvm-readobj -V --dyn-symbols %t6 | FileCheck %s --check-prefix=VERSIONED-LLVM
+# RUN: llvm-readelf -V --dyn-symbols %t6 | FileCheck %s --check-prefix=VERSIONED-GNU
+
+# VERSIONED-LLVM: Symbol {
+# VERSIONED-LLVM: Name: foo (16)
+# VERSIONED-LLVM-NEXT: Value: 0x0
+# VERSIONED-LLVM-NEXT: Size: 0
+# VERSIONED-LLVM-NEXT: Binding: Local (0x0)
+# VERSIONED-LLVM-NEXT: Type: None (0x0)
+# VERSIONED-LLVM-NEXT: Other: 0
+# VERSIONED-LLVM-NEXT: Section: Undefined (0x0)
+# VERSIONED-LLVM-NEXT: }
+# VERSIONED-LLVM-NEXT: Symbol {
+# VERSIONED-LLVM-NEXT: Name: bar@@Default (12)
+# VERSIONED-LLVM-NEXT: Value: 0x0
+# VERSIONED-LLVM-NEXT: Size: 0
+# VERSIONED-LLVM-NEXT: Binding: Local (0x0)
+# VERSIONED-LLVM-NEXT: Type: None (0x0)
+# VERSIONED-LLVM-NEXT: Other: 0
+# VERSIONED-LLVM-NEXT: Section: Undefined (0x0)
+# VERSIONED-LLVM-NEXT: }
+# VERSIONED-LLVM-NEXT: Symbol {
+# VERSIONED-LLVM-NEXT: Name: zed at NonDefault (20)
+# VERSIONED-LLVM-NEXT: Value: 0x0
+# VERSIONED-LLVM-NEXT: Size: 0
+# VERSIONED-LLVM-NEXT: Binding: Local (0x0)
+# VERSIONED-LLVM-NEXT: Type: None (0x0)
+# VERSIONED-LLVM-NEXT: Other: 0
+# VERSIONED-LLVM-NEXT: Section: Undefined (0x0)
+# VERSIONED-LLVM-NEXT: }
+# VERSIONED-LLVM: VersionSymbols [
+# VERSIONED-LLVM: Name: foo
+# VERSIONED-LLVM: Name: bar@@Default
+# VERSIONED-LLVM: Name: zed at NonDefault
+
+# VERSIONED-GNU: Num: Value Size Type Bind Vis Ndx Name
+# VERSIONED-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo
+# VERSIONED-GNU-NEXT: 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND bar@@Default
+# VERSIONED-GNU-NEXT: 3: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND zed at NonDefault
+# VERSIONED-GNU: 000: 0 (*local*) 1 (*global*) 2 (Default) 3h(NonDefault)
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_X86_64
+Sections:
+ - Name: .gnu.version
+ Type: SHT_GNU_versym
+ Flags: [ SHF_ALLOC ]
+ Link: .dynsym
+ AddressAlign: 0x2
+ EntSize: 0x2
+## 0x8000 is a special VERSYM_HIDDEN bit.
+ Entries: [ 0, 1, 2, 0x8003 ]
+ - Name: .gnu.version_d
+ Type: SHT_GNU_verdef
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ AddressAlign: 0x4
+ Info: 0x2
+ Entries:
+ - Version: 1
+ Flags: 0
+ VersionNdx: 2
+ Hash: 0
+ Names:
+ - Default
+ - Version: 1
+ Flags: 0
+ VersionNdx: 3
+ Hash: 0
+ Names:
+ - NonDefault
+DynamicSymbols:
+ - Name: foo
+ - Name: bar
+ - Name: zed
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