[llvm] r366430 - [llvm-readelf] - Remove the precompiled binary from gnu-hash-symbols.test
George Rimar via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 18 05:14:37 PDT 2019
Author: grimar
Date: Thu Jul 18 05:14:36 2019
New Revision: 366430
URL: http://llvm.org/viewvc/llvm-project?rev=366430&view=rev
Log:
[llvm-readelf] - Remove the precompiled binary from gnu-hash-symbols.test
I am working on https://bugs.llvm.org/show_bug.cgi?id=42622
and this patch reworks the gnu-hash-symbols.test so that it
will be easier to expand it with x86_64 case.
Differential revision: https://reviews.llvm.org/D64750
Added:
llvm/trunk/test/tools/llvm-readobj/elf-hash-symbols.test
Removed:
llvm/trunk/test/tools/llvm-readobj/Inputs/dynamic-table-exe.x86
llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test
Removed: llvm/trunk/test/tools/llvm-readobj/Inputs/dynamic-table-exe.x86
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/Inputs/dynamic-table-exe.x86?rev=366429&view=auto
==============================================================================
Binary files llvm/trunk/test/tools/llvm-readobj/Inputs/dynamic-table-exe.x86 (original) and llvm/trunk/test/tools/llvm-readobj/Inputs/dynamic-table-exe.x86 (removed) differ
Added: llvm/trunk/test/tools/llvm-readobj/elf-hash-symbols.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-hash-symbols.test?rev=366430&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-hash-symbols.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-hash-symbols.test Thu Jul 18 05:14:36 2019
@@ -0,0 +1,283 @@
+## Check llvm-readelf is able to dump the content of hash sections correctly.
+
+## Check the output when both .hash and .gnu.hash sections are present.
+
+# RUN: yaml2obj --docnum=1 %s -o %t1-32.so
+# RUN: llvm-readelf --hash-symbols %t1-32.so \
+# RUN: | FileCheck %s --strict-whitespace --match-full-lines --check-prefix HASH-32
+
+# HASH-32: Symbol table of .hash for image:
+# HASH-32-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# HASH-32-NEXT: 1 0: 00000000 0 NOTYPE GLOBAL DEFAULT UND ccc
+# HASH-32-NEXT: 5 0: 00001001 0 NOTYPE WEAK DEFAULT 1 bbb
+# HASH-32-NEXT: 3 0: 00000001 0 NOTYPE GLOBAL DEFAULT ABS ddd
+# HASH-32-NEXT: 2 0: 00001000 0 NOTYPE GLOBAL DEFAULT 1 aaa
+# HASH-32-NEXT: 4 0: 00000000 0 NOTYPE GLOBAL DEFAULT 2 eee
+# HASH-32-EMPTY:
+# HASH-32: Symbol table of .gnu.hash for image:
+# HASH-32-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# HASH-32-NEXT: 2 1: 00001000 0 NOTYPE GLOBAL DEFAULT 1 aaa
+# HASH-32-NEXT: 3 1: 00000001 0 NOTYPE GLOBAL DEFAULT ABS ddd
+# HASH-32-NEXT: 4 2: 00000000 0 NOTYPE GLOBAL DEFAULT 2 eee
+# HASH-32-NEXT: 5 2: 00001001 0 NOTYPE WEAK DEFAULT 1 bbb
+# HASH-32-NOT: {{.}}
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS32
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_386
+Sections:
+## The contents of .hash and .gnu.hash were generated by a linker.
+ - Name: .hash
+ Type: SHT_HASH
+ Flags: [ SHF_ALLOC ]
+ Link: .dynsym
+ Content: '0300000006000000010000000000000000000000000000000500000004000000020000000000000003000000'
+ - Name: .gnu.hash
+ Type: SHT_GNU_HASH
+ Flags: [ SHF_ALLOC ]
+ Link: .dynsym
+ Content: 0300000002000000010000000500000048991200000000000200000004000000685C880B9169880BF46D880BCB60880B
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Entries:
+## PT_LOAD's p_vaddr is 0x0. PT_LOAD's p_offset = 0x1bc. DT_HASH value is 0x0.
+## llvm-readelf will read .hash content from p_offset + (p_vaddr - DT_HASH value) = 0x1bc.
+## This matches the file offset of the .hash section.
+ - Tag: DT_HASH
+ Value: 0x0000000000000000
+ - Tag: DT_GNU_HASH
+## PT_LOAD's p_vaddr is 0x0. PT_LOAD's p_offset = 0x1bc. DT_GNU_HASH value is 0x2c (size of .hash = 0x2c).
+## llvm-readelf will read .gnu.hash content from p_offset + (p_vaddr - DT_GNU_HASH value) = 0x1e8.
+## This matches the file offset of the .gnu.hash section.
+ Value: 0x000000000000002C
+ - Tag: DT_NULL
+ Value: 0x0000000000000000
+DynamicSymbols:
+ - Name: ccc
+ Binding: STB_GLOBAL
+ - Name: aaa
+ Section: .hash
+ Binding: STB_GLOBAL
+ Value: 0x0000000000001000
+ - Name: ddd
+ Index: SHN_ABS
+ Binding: STB_GLOBAL
+ Value: 0x0000000000000001
+ - Name: eee
+ Section: .gnu.hash
+ Binding: STB_GLOBAL
+ - Name: bbb
+ Section: .hash
+ Binding: STB_WEAK
+ Value: 0x0000000000001001
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_R, PF_X ]
+ Sections:
+ - Section: .hash
+ - Section: .gnu.hash
+ - Section: .dynamic
+
+## Check the output when only .hash section is present.
+
+# RUN: yaml2obj --docnum=2 %s -o %t2-32.so
+# RUN: llvm-readelf --hash-symbols %t2-32.so \
+# RUN: | FileCheck %s --strict-whitespace --match-full-lines --check-prefix ONLY-HASH-32
+
+# ONLY-HASH-32: Symbol table of .hash for image:
+# ONLY-HASH-32-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# ONLY-HASH-32-NEXT: 1 0: 00000000 0 NOTYPE GLOBAL DEFAULT UND ccc
+# ONLY-HASH-32-NEXT: 5 0: 00001001 0 NOTYPE WEAK DEFAULT 1 bbb
+# ONLY-HASH-32-NEXT: 3 0: 00000001 0 NOTYPE GLOBAL DEFAULT ABS ddd
+# ONLY-HASH-32-NEXT: 2 0: 00001000 0 NOTYPE GLOBAL DEFAULT 1 aaa
+# ONLY-HASH-32-NEXT: 4 0: 00000000 0 NOTYPE GLOBAL DEFAULT 2 eee
+# ONLY-HASH-32-NOT: {{.}}
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS32
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_386
+Sections:
+## The contents of .hash was generated by a linker.
+ - Name: .hash
+ Type: SHT_HASH
+ Flags: [ SHF_ALLOC ]
+ Link: .dynsym
+ Content: '0300000006000000010000000000000000000000000000000500000004000000020000000000000003000000'
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Entries:
+ - Tag: DT_HASH
+ Value: 0x0000000000000000
+ - Tag: DT_NULL
+ Value: 0x0000000000000000
+DynamicSymbols:
+ - Name: ccc
+ Binding: STB_GLOBAL
+ - Name: aaa
+ Section: .hash
+ Binding: STB_GLOBAL
+ Value: 0x0000000000001000
+ - Name: ddd
+ Index: SHN_ABS
+ Binding: STB_GLOBAL
+ Value: 0x0000000000000001
+ - Name: eee
+ Section: .dynamic
+ Binding: STB_GLOBAL
+ - Name: bbb
+ Section: .hash
+ Binding: STB_WEAK
+ Value: 0x0000000000001001
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_R, PF_X ]
+ Sections:
+ - Section: .hash
+ - Section: .dynamic
+
+## Check the output when only .gnu.hash section is present.
+
+# RUN: yaml2obj --docnum=3 %s -o %t3-32.so
+# RUN: llvm-readelf --hash-symbols %t3-32.so \
+# RUN: | FileCheck %s --strict-whitespace --match-full-lines --check-prefix ONLY-GNUHASH-32
+
+# ONLY-GNUHASH-32: Symbol table of .gnu.hash for image:
+# ONLY-GNUHASH-32-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
+# ONLY-GNUHASH-32-NEXT: 2 1: 00001000 0 NOTYPE GLOBAL DEFAULT 2 aaa
+# ONLY-GNUHASH-32-NEXT: 3 1: 00000001 0 NOTYPE GLOBAL DEFAULT ABS ddd
+# ONLY-GNUHASH-32-NEXT: 4 2: 00000000 0 NOTYPE GLOBAL DEFAULT 1 eee
+# ONLY-GNUHASH-32-NEXT: 5 2: 00001001 0 NOTYPE WEAK DEFAULT 2 bbb
+# ONLY-GNUHASH-32-NOT: {{.}}
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS32
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_386
+Sections:
+## The contents of .gnu.hash was generated by a linker.
+ - Name: .gnu.hash
+ Type: SHT_GNU_HASH
+ Flags: [ SHF_ALLOC ]
+ Link: .dynsym
+ Content: 0300000002000000010000000500000048991200000000000200000004000000685C880B9169880BF46D880BCB60880B
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Entries:
+ - Tag: DT_GNU_HASH
+ Value: 0x0000000000000000
+ - Tag: DT_NULL
+ Value: 0x0000000000000000
+DynamicSymbols:
+ - Name: ccc
+ Binding: STB_GLOBAL
+ - Name: aaa
+ Section: .dynamic
+ Binding: STB_GLOBAL
+ Value: 0x0000000000001000
+ - Name: ddd
+ Index: SHN_ABS
+ Binding: STB_GLOBAL
+ Value: 0x0000000000000001
+ - Name: eee
+ Section: .gnu.hash
+ Binding: STB_GLOBAL
+ - Name: bbb
+ Section: .dynamic
+ Binding: STB_WEAK
+ Value: 0x0000000000001001
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_R, PF_X ]
+ Sections:
+ - Section: .gnu.hash
+ - Section: .dynamic
+
+## Show that if there are no hash sections, we do not print anything.
+# RUN: yaml2obj --docnum=4 %s -o %t4.so
+# RUN: llvm-readelf --hash-symbols %t4.so \
+# 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 %t4.so | 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:
+ - Name: .dynstr
+ Type: SHT_STRTAB
+ Flags: [ SHF_ALLOC ]
+ AddressAlign: 0x100
+ EntSize: 0x1
+ - Name: .dynsym
+ Type: SHT_DYNSYM
+ Flags: [ SHF_ALLOC ]
+ Link: .dynstr
+ Address: 0x100
+ AddressAlign: 0x100
+ EntSize: 0x18
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Address: 0x0000000000001000
+ Link: .dynstr
+ AddressAlign: 0x0000000000001000
+ EntSize: 0x0000000000000010
+ Entries:
+ - Tag: DT_STRTAB
+ Value: 0x0000000000000000
+ - Tag: DT_STRSZ
+ Value: 0x0000000000000009
+ - Tag: DT_SYMTAB
+ Value: 0x0000000000000100
+ - Tag: DT_SYMENT
+ Value: 0x0000000000000018
+ - Tag: DT_NULL
+ Value: 0x0000000000000000
+ - Name: .text.foo
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+ Size: 0x40
+ Address: 0x2000
+ AddressAlign: 0x2000
+DynamicSymbols:
+ - Name: _Z3fooi
+ Binding: STB_GLOBAL
+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
Removed: 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=366429&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test (original)
+++ llvm/trunk/test/tools/llvm-readobj/gnu-hash-symbols.test (removed)
@@ -1,104 +0,0 @@
-# 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:
- - Name: .dynstr
- Type: SHT_STRTAB
- Flags: [ SHF_ALLOC ]
- AddressAlign: 0x100
- EntSize: 0x1
- - Name: .dynsym
- Type: SHT_DYNSYM
- Flags: [ SHF_ALLOC ]
- Link: .dynstr
- Address: 0x100
- AddressAlign: 0x100
- EntSize: 0x18
- - Name: .dynamic
- Type: SHT_DYNAMIC
- Flags: [ SHF_ALLOC ]
- Address: 0x0000000000001000
- Link: .dynstr
- AddressAlign: 0x0000000000001000
- EntSize: 0x0000000000000010
- Entries:
- - Tag: DT_STRTAB
- Value: 0x0000000000000000
- - Tag: DT_STRSZ
- Value: 0x0000000000000009
- - Tag: DT_SYMTAB
- Value: 0x0000000000000100
- - Tag: DT_SYMENT
- Value: 0x0000000000000018
- - Tag: DT_NULL
- Value: 0x0000000000000000
- - Name: .text.foo
- Type: SHT_PROGBITS
- Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
- Size: 0x40
- Address: 0x2000
- AddressAlign: 0x2000
-DynamicSymbols:
- - Name: _Z3fooi
- Binding: STB_GLOBAL
-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
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