[llvm] r355003 - [llvm-readobj]Add additional testing for various ELF features

James Henderson via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 27 08:41:59 PST 2019


Author: jhenderson
Date: Wed Feb 27 08:41:59 2019
New Revision: 355003

URL: http://llvm.org/viewvc/llvm-project?rev=355003&view=rev
Log:
[llvm-readobj]Add additional testing for various ELF features

This patch adds testing of areas of the code that are not fully tested,
in particular dynamic table printing, ELF type printing, handling of
edge cases where things are missing/empty (relocations/program header
tables/section header table), and the --string-dump switch.

Reviewed by: grimar, higuoxing, rupprecht

Differential Revision: https://reviews.llvm.org/D58677

Added:
    llvm/trunk/test/tools/llvm-readobj/elf-dynamic-empty.test
    llvm/trunk/test/tools/llvm-readobj/elf-dynamic-malformed.test
    llvm/trunk/test/tools/llvm-readobj/elf-dynamic-no-pt-dynamic.test
    llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags-machine-specific.test
    llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags.test
    llvm/trunk/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test
    llvm/trunk/test/tools/llvm-readobj/elf-no-phdrs.test
    llvm/trunk/test/tools/llvm-readobj/elf-no-relocs.test
    llvm/trunk/test/tools/llvm-readobj/elf-no-shdrs.test
    llvm/trunk/test/tools/llvm-readobj/elf-types.test
    llvm/trunk/test/tools/llvm-readobj/string-dump.test

Added: llvm/trunk/test/tools/llvm-readobj/elf-dynamic-empty.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-dynamic-empty.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-dynamic-empty.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-dynamic-empty.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,29 @@
+# Show that llvm-readobj can handle an empty .dynamic section.
+
+# RUN: yaml2obj %s -o %t.o
+# RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --check-prefix LLVM
+# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix GNU --allow-empty
+
+# LLVM: File: {{.*}}.o
+# LLVM-NOT: DynamicSection
+# GNU-NOT: {{.}}
+
+!ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:         .dynamic
+    Type:         SHT_DYNAMIC
+    Address:      0x1000
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-dynamic-malformed.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-dynamic-malformed.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-dynamic-malformed.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-dynamic-malformed.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,173 @@
+# Test handling of a dynamic section size which is not a multiple of its entry size.
+# RUN: yaml2obj %s --docnum=1 -o %t.bad-size
+# RUN: not llvm-readobj --dynamic-table %t.bad-size 2>&1 | FileCheck %s --check-prefix ERR-SIZE
+# RUN: not llvm-readelf --dynamic-table %t.bad-size 2>&1 | FileCheck %s --check-prefix ERR-SIZE
+
+# ERR-SIZE: Error reading file: Invalid entity size.
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1000
+    Content: "01234567"
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+
+# Test handling of a .dynamic section with an invalid entsize (i.e. not 2 * sizeof(Elf_Dyn)).
+# RUN: yaml2obj %s --docnum=2 -o %t.bad-entsize
+# RUN: llvm-readobj --dynamic-table %t.bad-entsize | FileCheck %s --check-prefix BAD-ENTSIZE
+# RUN: llvm-readelf --dynamic-table %t.bad-entsize | FileCheck %s --check-prefix BAD-ENTSIZE
+
+# BAD-ENTSIZE:      DynamicSection [ (2 entries)
+# BAD-ENTSIZE-NEXT:   Tag                Type                 Name/Value
+# BAD-ENTSIZE-NEXT:   0x0000000000000015 DEBUG                0x0
+# BAD-ENTSIZE-NEXT:   0x0000000000000000 NULL                 0x0
+# BAD-ENTSIZE-NEXT: ]
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1000
+    EntSize: 0x2
+    Entries:
+      - Tag:   DT_DEBUG
+        Value: 0
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+
+# Test handling of string references pointing past the end of the dynamic string table. In this case,
+# we have a DT_NEEDED tag pointing at offset 1 in a 1-byte string table.
+# RUN: yaml2obj %s --docnum=3 -o %t.bad-string
+# RUN: not llvm-readobj --dynamic-table %t.bad-string 2>&1 | FileCheck %s --check-prefix BAD-STRING
+# RUN: not llvm-readelf --dynamic-table %t.bad-string 2>&1 | FileCheck %s --check-prefix BAD-STRING
+
+# BAD-STRING: Error reading file: Invalid dynamic string table reference.
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynstr
+    Type:    SHT_STRTAB
+    Address: 0x1000
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1010
+    Entries:
+      - Tag:   DT_STRTAB
+        Value: 0x1000
+      - Tag:   DT_STRSZ
+        Value: 1
+      - Tag:   DT_NEEDED
+        Value: 1
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynstr
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1010
+    Sections:
+      - Section: .dynamic
+
+# Test handling of DT_STRTAB pointing outside the file's address space.
+# RUN: yaml2obj %s --docnum=4 -o %t.bad-strtab
+# RUN: not llvm-readobj --dynamic-table %t.bad-strtab 2>&1 | FileCheck %s --check-prefix BAD-STRTAB
+# RUN: not llvm-readelf --dynamic-table %t.bad-strtab 2>&1 | FileCheck %s --check-prefix BAD-STRTAB
+
+# BAD-STRTAB: LLVM ERROR: Virtual address is not in any segment
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1000
+    Entries:
+      - Tag:   DT_STRTAB
+        Value: 0x2000000
+      - Tag:   DT_STRSZ
+        Value: 10
+      - Tag:   DT_NEEDED
+        Value: 1
+      - Tag:   DT_NULL
+        Value: 0x0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+
+# Test handling of other d_ptr tags pointing outside the file's address space.
+# RUN: yaml2obj %s --docnum=5 -o %t.bad-rela
+# RUN: not llvm-readobj --dynamic-table %t.bad-rela 2>&1 | FileCheck %s --check-prefix BAD-RELA
+# RUN: not llvm-readelf --dynamic-table %t.bad-rela 2>&1 | FileCheck %s --check-prefix BAD-RELA
+
+# BAD-RELA: LLVM ERROR: Virtual address is not in any segment
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1000
+    Entries:
+      - Tag:   DT_RELA
+        Value: 0x1000000
+      - Tag:   DT_NULL
+        Value: 0x0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-dynamic-no-pt-dynamic.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-dynamic-no-pt-dynamic.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-dynamic-no-pt-dynamic.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-dynamic-no-pt-dynamic.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,32 @@
+# Show that no dumping occurs if there is no PT_DYNAMIC header.
+# RUN: yaml2obj %s -o %t.no-phdr
+# RUN: llvm-readobj --dynamic-table %t.no-phdr | FileCheck %s --check-prefix=LLVM
+# RUN: llvm-readelf --dynamic-table %t.no-phdr | FileCheck %s --check-prefix=GNU --allow-empty
+
+# LLVM:      File: {{.*}}.no-phdr
+# LLVM-NEXT: Format: ELF64-x86-64
+# LLVM-NEXT: Arch: x86_64
+# LLVM-NEXT: AddressSize: 64bit
+# LLVM-NEXT: LoadName:{{ *}}
+# LLVM-NOT:  {{.}}
+
+# GNU-NOT: {{.}}
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1000
+    Entries:
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags-machine-specific.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags-machine-specific.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags-machine-specific.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags-machine-specific.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,327 @@
+# Test that hexagon machine-specific tags can be dumped.
+# RUN: yaml2obj --docnum=1 %s -o %t.hex
+# RUN: llvm-readobj --dynamic-table %t.hex | FileCheck %s --check-prefix=LLVM-HEXAGON
+# RUN: llvm-readelf --dynamic-table %t.hex | FileCheck %s --check-prefix=GNU-HEXAGON
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_HEXAGON
+Sections:
+  - Name:    .dynstr
+    Type:    SHT_STRTAB
+    Address: 0x1000
+    Size:    0x10
+    Content: "004400550066007700"
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1010
+    Entries:
+      - Tag:   DT_HEXAGON_SYMSZ
+        Value: 0x10
+      - Tag:   DT_HEXAGON_VER
+        Value: 0x1000
+      - Tag:   DT_HEXAGON_PLT
+        Value: 0x1000
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynstr
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1010
+    Sections:
+      - Section: .dynamic
+
+# LLVM-HEXAGON:      DynamicSection [ (4 entries)
+# LLVM-HEXAGON-NEXT:   Tag                Type                 Name/Value
+# LLVM-HEXAGON-NEXT:   0x0000000070000000 HEXAGON_SYMSZ        0x10
+# LLVM-HEXAGON-NEXT:   0x0000000070000001 HEXAGON_VER          4096
+# LLVM-HEXAGON-NEXT:   0x0000000070000002 HEXAGON_PLT          0x1000
+# LLVM-HEXAGON-NEXT:   0x0000000000000000 NULL                 0x0
+# LLVM-HEXAGON-NEXT: ]
+
+# GNU-HEXAGON:      DynamicSection [ (4 entries)
+# GNU-HEXAGON-NEXT:   Tag                Type                 Name/Value
+# GNU-HEXAGON-NEXT:   0x0000000070000000 HEXAGON_SYMSZ        0x10
+# GNU-HEXAGON-NEXT:   0x0000000070000001 HEXAGON_VER          4096
+# GNU-HEXAGON-NEXT:   0x0000000070000002 HEXAGON_PLT          0x1000
+# GNU-HEXAGON-NEXT:   0x0000000000000000 NULL                 0x0
+# GNU-HEXAGON-NEXT: ]
+
+# Test that MIPS machine-specific tags can be dumped.
+# RUN: yaml2obj --docnum=2 %s -o %t.mips
+# RUN: llvm-readobj --dynamic-table %t.mips | FileCheck %s --check-prefix=LLVM-MIPS
+# RUN: llvm-readelf --dynamic-table %t.mips | FileCheck %s --check-prefix=GNU-MIPS
+
+# LLVM-MIPS:      DynamicSection [ (46 entries)
+# LLVM-MIPS-NEXT:   Tag                Type                 Name/Value
+# LLVM-MIPS-NEXT:   0x0000000070000001 MIPS_RLD_VERSION     305419896
+# LLVM-MIPS-NEXT:   0x0000000070000002 MIPS_TIME_STAMP      0x11223344
+# LLVM-MIPS-NEXT:   0x0000000070000003 MIPS_ICHECKSUM       0x11112222
+# LLVM-MIPS-NEXT:   0x0000000070000004 MIPS_IVERSION        0x1
+# LLVM-MIPS-NEXT:   0x0000000070000005 MIPS_FLAGS           QUICKSTART SGI_ONLY PIXIE CORD
+# LLVM-MIPS-NEXT:   0x0000000070000006 MIPS_BASE_ADDRESS    0x87654321
+# LLVM-MIPS-NEXT:   0x0000000070000007 MIPS_MSYM            0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000008 MIPS_CONFLICT        0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000009 MIPS_LIBLIST         0x1000
+# LLVM-MIPS-NEXT:   0x000000007000000A MIPS_LOCAL_GOTNO     1
+# LLVM-MIPS-NEXT:   0x000000007000000B MIPS_CONFLICTNO      0x1
+# LLVM-MIPS-NEXT:   0x0000000070000010 MIPS_LIBLISTNO       0x1
+# LLVM-MIPS-NEXT:   0x0000000070000011 MIPS_SYMTABNO        1
+# LLVM-MIPS-NEXT:   0x0000000070000012 MIPS_UNREFEXTNO      0
+# LLVM-MIPS-NEXT:   0x0000000070000013 MIPS_GOTSYM          0x0
+# LLVM-MIPS-NEXT:   0x0000000070000014 MIPS_HIPAGENO        0x88776655
+# LLVM-MIPS-NEXT:   0x0000000070000016 MIPS_RLD_MAP         0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000017 MIPS_DELTA_CLASS     0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000018 MIPS_DELTA_CLASS_NO  0x1
+# LLVM-MIPS-NEXT:   0x0000000070000019 MIPS_DELTA_INSTANCE  0x1000
+# LLVM-MIPS-NEXT:   0x000000007000001A MIPS_DELTA_INSTANCE_NO0x1
+# LLVM-MIPS-NEXT:   0x000000007000001B MIPS_DELTA_RELOC     0x1000
+# LLVM-MIPS-NEXT:   0x000000007000001C MIPS_DELTA_RELOC_NO  0x1
+# LLVM-MIPS-NEXT:   0x000000007000001D MIPS_DELTA_SYM       0x1000
+# LLVM-MIPS-NEXT:   0x000000007000001E MIPS_DELTA_SYM_NO    0x1
+# LLVM-MIPS-NEXT:   0x0000000070000020 MIPS_DELTA_CLASSSYM  0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000021 MIPS_DELTA_CLASSSYM_NO0x1
+# LLVM-MIPS-NEXT:   0x0000000070000022 MIPS_CXX_FLAGS       0x88887777
+# LLVM-MIPS-NEXT:   0x0000000070000023 MIPS_PIXIE_INIT      0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000025 MIPS_LOCALPAGE_GOTIDX0x1
+# LLVM-MIPS-NEXT:   0x0000000070000026 MIPS_LOCAL_GOTIDX    0x1
+# LLVM-MIPS-NEXT:   0x0000000070000027 MIPS_HIDDEN_GOTIDX   0x1
+# LLVM-MIPS-NEXT:   0x0000000070000028 MIPS_PROTECTED_GOTIDX0x1
+# LLVM-MIPS-NEXT:   0x0000000070000029 MIPS_OPTIONS         0x1000
+# LLVM-MIPS-NEXT:   0x000000007000002A MIPS_INTERFACE       0x1000
+# LLVM-MIPS-NEXT:   0x000000007000002B MIPS_DYNSTR_ALIGN    0x88888888
+# LLVM-MIPS-NEXT:   0x000000007000002C MIPS_INTERFACE_SIZE  0x10
+# LLVM-MIPS-NEXT:   0x000000007000002D MIPS_RLD_TEXT_RESOLVE_ADDR0x8
+# LLVM-MIPS-NEXT:   0x000000007000002E MIPS_PERF_SUFFIX     0x0
+# LLVM-MIPS-NEXT:   0x000000007000002F MIPS_COMPACT_SIZE    0x10
+# LLVM-MIPS-NEXT:   0x0000000070000030 MIPS_GP_VALUE        0x1
+# LLVM-MIPS-NEXT:   0x0000000070000031 MIPS_AUX_DYNAMIC     0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000032 MIPS_PLTGOT          0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000034 MIPS_RWPLT           0x1000
+# LLVM-MIPS-NEXT:   0x0000000070000035 MIPS_RLD_MAP_REL     0x1000
+# LLVM-MIPS-NEXT:   0x0000000000000000 NULL                 0x0
+# LLVM-MIPS-NEXT: ]
+
+# GNU-MIPS:      DynamicSection [ (46 entries)
+# GNU-MIPS-NEXT:     Tag                Type                 Name/Value
+# GNU-MIPS-NEXT:   0x0000000070000001 MIPS_RLD_VERSION     305419896
+# GNU-MIPS-NEXT:   0x0000000070000002 MIPS_TIME_STAMP      0x11223344
+# GNU-MIPS-NEXT:   0x0000000070000003 MIPS_ICHECKSUM       0x11112222
+# GNU-MIPS-NEXT:   0x0000000070000004 MIPS_IVERSION        0x1
+# GNU-MIPS-NEXT:   0x0000000070000005 MIPS_FLAGS           QUICKSTART SGI_ONLY PIXIE CORD
+# GNU-MIPS-NEXT:   0x0000000070000006 MIPS_BASE_ADDRESS    0x87654321
+# GNU-MIPS-NEXT:   0x0000000070000007 MIPS_MSYM            0x1000
+# GNU-MIPS-NEXT:   0x0000000070000008 MIPS_CONFLICT        0x1000
+# GNU-MIPS-NEXT:   0x0000000070000009 MIPS_LIBLIST         0x1000
+# GNU-MIPS-NEXT:   0x000000007000000a MIPS_LOCAL_GOTNO     1
+# GNU-MIPS-NEXT:   0x000000007000000b MIPS_CONFLICTNO      0x1
+# GNU-MIPS-NEXT:   0x0000000070000010 MIPS_LIBLISTNO       0x1
+# GNU-MIPS-NEXT:   0x0000000070000011 MIPS_SYMTABNO        1
+# GNU-MIPS-NEXT:   0x0000000070000012 MIPS_UNREFEXTNO      0
+# GNU-MIPS-NEXT:   0x0000000070000013 MIPS_GOTSYM          0x0
+# GNU-MIPS-NEXT:   0x0000000070000014 MIPS_HIPAGENO        0x88776655
+# GNU-MIPS-NEXT:   0x0000000070000016 MIPS_RLD_MAP         0x1000
+# GNU-MIPS-NEXT:   0x0000000070000017 MIPS_DELTA_CLASS     0x1000
+# GNU-MIPS-NEXT:   0x0000000070000018 MIPS_DELTA_CLASS_NO  0x1
+# GNU-MIPS-NEXT:   0x0000000070000019 MIPS_DELTA_INSTANCE  0x1000
+# GNU-MIPS-NEXT:   0x000000007000001a MIPS_DELTA_INSTANCE_NO0x1
+# GNU-MIPS-NEXT:   0x000000007000001b MIPS_DELTA_RELOC     0x1000
+# GNU-MIPS-NEXT:   0x000000007000001c MIPS_DELTA_RELOC_NO  0x1
+# GNU-MIPS-NEXT:   0x000000007000001d MIPS_DELTA_SYM       0x1000
+# GNU-MIPS-NEXT:   0x000000007000001e MIPS_DELTA_SYM_NO    0x1
+# GNU-MIPS-NEXT:   0x0000000070000020 MIPS_DELTA_CLASSSYM  0x1000
+# GNU-MIPS-NEXT:   0x0000000070000021 MIPS_DELTA_CLASSSYM_NO0x1
+# GNU-MIPS-NEXT:   0x0000000070000022 MIPS_CXX_FLAGS       0x88887777
+# GNU-MIPS-NEXT:   0x0000000070000023 MIPS_PIXIE_INIT      0x1000
+# GNU-MIPS-NEXT:   0x0000000070000025 MIPS_LOCALPAGE_GOTIDX0x1
+# GNU-MIPS-NEXT:   0x0000000070000026 MIPS_LOCAL_GOTIDX    0x1
+# GNU-MIPS-NEXT:   0x0000000070000027 MIPS_HIDDEN_GOTIDX   0x1
+# GNU-MIPS-NEXT:   0x0000000070000028 MIPS_PROTECTED_GOTIDX0x1
+# GNU-MIPS-NEXT:   0x0000000070000029 MIPS_OPTIONS         0x1000
+# GNU-MIPS-NEXT:   0x000000007000002a MIPS_INTERFACE       0x1000
+# GNU-MIPS-NEXT:   0x000000007000002b MIPS_DYNSTR_ALIGN    0x88888888
+# GNU-MIPS-NEXT:   0x000000007000002c MIPS_INTERFACE_SIZE  0x10
+# GNU-MIPS-NEXT:   0x000000007000002d MIPS_RLD_TEXT_RESOLVE_ADDR0x8
+# GNU-MIPS-NEXT:   0x000000007000002e MIPS_PERF_SUFFIX     0x0
+# GNU-MIPS-NEXT:   0x000000007000002f MIPS_COMPACT_SIZE    0x10
+# GNU-MIPS-NEXT:   0x0000000070000030 MIPS_GP_VALUE        0x1
+# GNU-MIPS-NEXT:   0x0000000070000031 MIPS_AUX_DYNAMIC     0x1000
+# GNU-MIPS-NEXT:   0x0000000070000032 MIPS_PLTGOT          0x1000
+# GNU-MIPS-NEXT:   0x0000000070000034 MIPS_RWPLT           0x1000
+# GNU-MIPS-NEXT:   0x0000000070000035 MIPS_RLD_MAP_REL     0x1000
+# GNU-MIPS-NEXT:   0x0000000000000000 NULL                 0x0
+# GNU-MIPS-NEXT: ]
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_MIPS
+Sections:
+  - Name:    .dynstr
+    Type:    SHT_STRTAB
+    Address: 0x1000
+    Size:    0x10
+    Content: "004400550066007700"
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1010
+    Entries:
+      - Tag:   DT_MIPS_RLD_VERSION
+        Value: 0x12345678
+      - Tag:   DT_MIPS_TIME_STAMP
+        Value: 0x11223344
+      - Tag:   DT_MIPS_ICHECKSUM
+        Value: 0x11112222
+      - Tag:   DT_MIPS_IVERSION
+        Value: 0x1
+      - Tag:   DT_MIPS_FLAGS
+        Value: 0x11111111
+      - Tag:   DT_MIPS_BASE_ADDRESS
+        Value: 0x87654321
+      - Tag:   DT_MIPS_MSYM
+        Value: 0x1000
+      - Tag:   DT_MIPS_CONFLICT
+        Value: 0x1000
+      - Tag:   DT_MIPS_LIBLIST
+        Value: 0x1000
+      - Tag:   DT_MIPS_LOCAL_GOTNO
+        Value: 0x1
+      - Tag:   DT_MIPS_CONFLICTNO
+        Value: 0x1
+      - Tag:   DT_MIPS_LIBLISTNO
+        Value: 0x1
+      - Tag:   DT_MIPS_SYMTABNO
+        Value: 0x1
+      - Tag:   DT_MIPS_UNREFEXTNO
+        Value: 0x0
+      - Tag:   DT_MIPS_GOTSYM
+        Value: 0x0
+      - Tag:   DT_MIPS_HIPAGENO
+        Value: 0x88776655
+      - Tag:   DT_MIPS_RLD_MAP
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_CLASS
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_CLASS_NO
+        Value: 0x1
+      - Tag:   DT_MIPS_DELTA_INSTANCE
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_INSTANCE_NO
+        Value: 0x1
+      - Tag:   DT_MIPS_DELTA_RELOC
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_RELOC_NO
+        Value: 0x1
+      - Tag:   DT_MIPS_DELTA_SYM
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_SYM_NO
+        Value: 0x1
+      - Tag:   DT_MIPS_DELTA_CLASSSYM
+        Value: 0x1000
+      - Tag:   DT_MIPS_DELTA_CLASSSYM_NO
+        Value: 0x1
+      - Tag:   DT_MIPS_CXX_FLAGS
+        Value: 0x88887777
+      - Tag:   DT_MIPS_PIXIE_INIT
+        Value: 0x1000
+      - Tag:   DT_MIPS_LOCALPAGE_GOTIDX
+        Value: 0x1
+      - Tag:   DT_MIPS_LOCAL_GOTIDX
+        Value: 0x1
+      - Tag:   DT_MIPS_HIDDEN_GOTIDX
+        Value: 0x1
+      - Tag:   DT_MIPS_PROTECTED_GOTIDX
+        Value: 0x1
+      - Tag:   DT_MIPS_OPTIONS
+        Value: 0x1000
+      - Tag:   DT_MIPS_INTERFACE
+        Value: 0x1000
+      - Tag:   DT_MIPS_DYNSTR_ALIGN
+        Value: 0x88888888
+      - Tag:   DT_MIPS_INTERFACE_SIZE
+        Value: 0x10
+      - Tag:   DT_MIPS_RLD_TEXT_RESOLVE_ADDR
+        Value: 0x8
+      - Tag:   DT_MIPS_PERF_SUFFIX
+        Value: 0x0
+      - Tag:   DT_MIPS_COMPACT_SIZE
+        Value: 0x10
+      - Tag:   DT_MIPS_GP_VALUE
+        Value: 0x1
+      - Tag:   DT_MIPS_AUX_DYNAMIC
+        Value: 0x1000
+      - Tag:   DT_MIPS_PLTGOT
+        Value: 0x1000
+      - Tag:   DT_MIPS_RWPLT
+        Value: 0x1000
+      - Tag:   DT_MIPS_RLD_MAP_REL
+        Value: 0x1000
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynstr
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1010
+    Sections:
+      - Section: .dynamic
+
+# Test that PPC64 machine-specific tags can be dumped.
+# RUN: yaml2obj --docnum=3 %s -o %t.ppc
+# RUN: llvm-readobj --dynamic-table %t.ppc | FileCheck %s --check-prefix=LLVM-PPC
+# RUN: llvm-readelf --dynamic-table %t.ppc | FileCheck %s --check-prefix=GNU-PPC
+
+# LLVM-PPC:      DynamicSection [ (2 entries)
+# LLVM-PPC-NEXT:   Tag                Type                 Name/Value
+# LLVM-PPC-NEXT:   0x0000000070000000 PPC64_GLINK          0x1000
+# LLVM-PPC-NEXT:   0x0000000000000000 NULL                 0x0
+# LLVM-PPC-NEXT: ]
+
+# GNU-PPC:      DynamicSection [ (2 entries)
+# GNU-PPC-NEXT:   Tag                Type                 Name/Value
+# GNU-PPC-NEXT:   0x0000000070000000 PPC64_GLINK          0x1000
+# GNU-PPC-NEXT:   0x0000000000000000 NULL                 0x0
+# GNU-PPC-NEXT: ]
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_PPC64
+Sections:
+  - Name:    .dynstr
+    Type:    SHT_STRTAB
+    Address: 0x1000
+    Size:    0x10
+    Content: "004400550066007700"
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1010
+    Entries:
+      - Tag:   DT_PPC64_GLINK
+        Value: 0x1000
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynstr
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1010
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-dynamic-tags.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,280 @@
+# Show that all non-machine specific tags can be read and printed correctly.
+# RUN: yaml2obj %s > %t
+# RUN: llvm-readobj --dynamic-table %t | FileCheck %s --check-prefix=LLVM
+# RUN: llvm-readelf --dynamic-table %t | FileCheck %s --check-prefix=GNU
+
+# LLVM:      DynamicSection [ (60 entries)
+# LLVM-NEXT:   Tag                Type                 Name/Value
+# LLVM-NEXT:   0x0000000000000001 NEEDED               Shared library: [D]
+# LLVM-NEXT:   0x0000000000000002 PLTRELSZ             16 (bytes)
+# LLVM-NEXT:   0x0000000000000003 PLTGOT               0x1000
+# LLVM-NEXT:   0x0000000000000004 HASH                 0x1000
+# LLVM-NEXT:   0x0000000000000005 STRTAB               0x1000
+# LLVM-NEXT:   0x0000000000000006 SYMTAB               0x1000
+# LLVM-NEXT:   0x0000000000000007 RELA                 0x1000
+# LLVM-NEXT:   0x0000000000000008 RELASZ               16 (bytes)
+# LLVM-NEXT:   0x0000000000000009 RELAENT              1929 (bytes)
+# LLVM-NEXT:   0x000000000000000A STRSZ                16 (bytes)
+# LLVM-NEXT:   0x000000000000000B SYMENT               2439 (bytes)
+# LLVM-NEXT:   0x000000000000000C INIT                 0x1000
+# LLVM-NEXT:   0x000000000000000D FINI                 0x1000
+# LLVM-NEXT:   0x000000000000000E SONAME               Library soname: [U]
+# LLVM-NEXT:   0x000000000000000F RPATH                f
+# LLVM-NEXT:   0x0000000000000010 SYMBOLIC             0x1234567890ABCDEF
+# LLVM-NEXT:   0x0000000000000011 REL                  0x1000
+# LLVM-NEXT:   0x0000000000000012 RELSZ                16 (bytes)
+# LLVM-NEXT:   0x0000000000000013 RELENT               291 (bytes)
+# LLVM-NEXT:   0x0000000000000014 PLTREL               RELA
+# LLVM-NEXT:   0x0000000000000015 DEBUG                0xFEDCBA0987654321
+# LLVM-NEXT:   0x0000000000000016 TEXTREL              0x1122334455667788
+# LLVM-NEXT:   0x0000000000000017 JMPREL               0x1000
+# LLVM-NEXT:   0x0000000000000018 BIND_NOW             0x8877665544332211
+# LLVM-NEXT:   0x0000000000000019 INIT_ARRAY           0x1000
+# LLVM-NEXT:   0x000000000000001A FINI_ARRAY           0x1000
+# LLVM-NEXT:   0x000000000000001B INIT_ARRAYSZ         16 (bytes)
+# LLVM-NEXT:   0x000000000000001C FINI_ARRAYSZ         16 (bytes)
+# LLVM-NEXT:   0x000000000000001D RUNPATH              w
+# LLVM-NEXT:   0x000000000000001E FLAGS                ORIGIN SYMBOLIC TEXTREL BIND_NOW STATIC_TLS {{$}}
+# LLVM-NEXT:   0x0000000000000020 PREINIT_ARRAY        0x1000
+# LLVM-NEXT:   0x0000000000000021 PREINIT_ARRAYSZ      16 (bytes)
+# LLVM-NEXT:   0x0000000000000022 SYMTAB_SHNDX         0x1000
+# LLVM-NEXT:   0x0000000000000023 RELRSZ               0x10
+# LLVM-NEXT:   0x0000000000000024 RELR                 0x1000
+# LLVM-NEXT:   0x0000000000000025 RELRENT              0x4321
+# LLVM-NEXT:   0x000000006000000F ANDROID_REL          0x1000
+# LLVM-NEXT:   0x0000000060000010 ANDROID_RELSZ        16 (bytes)
+# LLVM-NEXT:   0x0000000060000011 ANDROID_RELA         0x1000
+# LLVM-NEXT:   0x0000000060000012 ANDROID_RELASZ       16 (bytes)
+# LLVM-NEXT:   0x000000006FFFE000 ANDROID_RELR         0x1000
+# LLVM-NEXT:   0x000000006FFFE001 ANDROID_RELRSZ       0x10
+# LLVM-NEXT:   0x000000006FFFE003 ANDROID_RELRENT      0x1234
+# LLVM-NEXT:   0x000000006FFFFEF5 GNU_HASH             0x1000
+# LLVM-NEXT:   0x000000006FFFFEF6 TLSDESC_PLT          0x1000
+# LLVM-NEXT:   0x000000006FFFFEF7 TLSDESC_GOT          0x1000
+# LLVM-NEXT:   0x000000006FFFFFF9 RELACOUNT            0
+# LLVM-NEXT:   0x000000006FFFFFFA RELCOUNT             0
+# LLVM-NEXT:   0x000000006FFFFFFB FLAGS_1              NOW GLOBAL GROUP NODELETE LOADFLTR INITFIRST NOOPEN ORIGIN DIRECT TRANS INTERPOSE NODEFLIB NODUMP CONFALT ENDFILTEE DISPRELDNE DISPRELPND NODIRECT IGNMULDEF NOKSYMS NOHDR EDITED NORELOC SYMINTPOSE GLOBAUDIT SINGLETON {{$}}
+# LLVM-NEXT:   0x000000006FFFFFF0 VERSYM               0x1000
+# LLVM-NEXT:   0x000000006FFFFFFC VERDEF               0x1000
+# LLVM-NEXT:   0x000000006FFFFFFD VERDEFNUM            0
+# LLVM-NEXT:   0x000000006FFFFFFE VERNEED              0x1000
+# LLVM-NEXT:   0x000000006FFFFFFF VERNEEDNUM           0
+# LLVM-NEXT:   0x000000007FFFFFFD AUXILIARY            Auxiliary library: [D]
+# LLVM-NEXT:   0x000000007FFFFFFF FILTER               Filter library: [U]
+# LLVM-NEXT:   0x0000000012345678 unknown              0x8765432187654321
+# LLVM-NEXT:   0x000000006ABCDEF0 unknown              0x9988776655443322
+# LLVM-NEXT:   0x0000000076543210 unknown              0x5555666677778888
+# LLVM-NEXT:   0x0000000000000000 NULL                 0x0
+# LLVM-NEXT: ]
+
+# GNU:      DynamicSection [ (60 entries)
+# GNU-NEXT:   Tag                Type                 Name/Value
+# GNU-NEXT:   0x0000000000000001 NEEDED               Shared library: [D]
+# GNU-NEXT:   0x0000000000000002 PLTRELSZ             16 (bytes)
+# GNU-NEXT:   0x0000000000000003 PLTGOT               0x1000
+# GNU-NEXT:   0x0000000000000004 HASH                 0x1000
+# GNU-NEXT:   0x0000000000000005 STRTAB               0x1000
+# GNU-NEXT:   0x0000000000000006 SYMTAB               0x1000
+# GNU-NEXT:   0x0000000000000007 RELA                 0x1000
+# GNU-NEXT:   0x0000000000000008 RELASZ               16 (bytes)
+# GNU-NEXT:   0x0000000000000009 RELAENT              1929 (bytes)
+# GNU-NEXT:   0x000000000000000a STRSZ                16 (bytes)
+# GNU-NEXT:   0x000000000000000b SYMENT               2439 (bytes)
+# GNU-NEXT:   0x000000000000000c INIT                 0x1000
+# GNU-NEXT:   0x000000000000000d FINI                 0x1000
+# GNU-NEXT:   0x000000000000000e SONAME               Library soname: [U]
+# GNU-NEXT:   0x000000000000000f RPATH                f
+# GNU-NEXT:   0x0000000000000010 SYMBOLIC             0x1234567890abcdef
+# GNU-NEXT:   0x0000000000000011 REL                  0x1000
+# GNU-NEXT:   0x0000000000000012 RELSZ                16 (bytes)
+# GNU-NEXT:   0x0000000000000013 RELENT               291 (bytes)
+# GNU-NEXT:   0x0000000000000014 PLTREL               RELA
+# GNU-NEXT:   0x0000000000000015 DEBUG                0xfedcba0987654321
+# GNU-NEXT:   0x0000000000000016 TEXTREL              0x1122334455667788
+# GNU-NEXT:   0x0000000000000017 JMPREL               0x1000
+# GNU-NEXT:   0x0000000000000018 BIND_NOW             0x8877665544332211
+# GNU-NEXT:   0x0000000000000019 INIT_ARRAY           0x1000
+# GNU-NEXT:   0x000000000000001a FINI_ARRAY           0x1000
+# GNU-NEXT:   0x000000000000001b INIT_ARRAYSZ         16 (bytes)
+# GNU-NEXT:   0x000000000000001c FINI_ARRAYSZ         16 (bytes)
+# GNU-NEXT:   0x000000000000001d RUNPATH              w
+# GNU-NEXT:   0x000000000000001e FLAGS                ORIGIN SYMBOLIC TEXTREL BIND_NOW STATIC_TLS {{$}}
+# GNU-NEXT:   0x0000000000000020 PREINIT_ARRAY        0x1000
+# GNU-NEXT:   0x0000000000000021 PREINIT_ARRAYSZ      16 (bytes)
+# GNU-NEXT:   0x0000000000000022 SYMTAB_SHNDX         0x1000
+# GNU-NEXT:   0x0000000000000023 RELRSZ               0x10
+# GNU-NEXT:   0x0000000000000024 RELR                 0x1000
+# GNU-NEXT:   0x0000000000000025 RELRENT              0x4321
+# GNU-NEXT:   0x000000006000000f ANDROID_REL          0x1000
+# GNU-NEXT:   0x0000000060000010 ANDROID_RELSZ        16 (bytes)
+# GNU-NEXT:   0x0000000060000011 ANDROID_RELA         0x1000
+# GNU-NEXT:   0x0000000060000012 ANDROID_RELASZ       16 (bytes)
+# GNU-NEXT:   0x000000006fffe000 ANDROID_RELR         0x1000
+# GNU-NEXT:   0x000000006fffe001 ANDROID_RELRSZ       0x10
+# GNU-NEXT:   0x000000006fffe003 ANDROID_RELRENT      0x1234
+# GNU-NEXT:   0x000000006ffffef5 GNU_HASH             0x1000
+# GNU-NEXT:   0x000000006ffffef6 TLSDESC_PLT          0x1000
+# GNU-NEXT:   0x000000006ffffef7 TLSDESC_GOT          0x1000
+# GNU-NEXT:   0x000000006ffffff9 RELACOUNT            0
+# GNU-NEXT:   0x000000006ffffffa RELCOUNT             0
+# GNU-NEXT:   0x000000006ffffffb FLAGS_1              NOW GLOBAL GROUP NODELETE LOADFLTR INITFIRST NOOPEN ORIGIN DIRECT TRANS INTERPOSE NODEFLIB NODUMP CONFALT ENDFILTEE DISPRELDNE DISPRELPND NODIRECT IGNMULDEF NOKSYMS NOHDR EDITED NORELOC SYMINTPOSE GLOBAUDIT SINGLETON {{$}}
+# GNU-NEXT:   0x000000006ffffff0 VERSYM               0x1000
+# GNU-NEXT:   0x000000006ffffffc VERDEF               0x1000
+# GNU-NEXT:   0x000000006ffffffd VERDEFNUM            0
+# GNU-NEXT:   0x000000006ffffffe VERNEED              0x1000
+# GNU-NEXT:   0x000000006fffffff VERNEEDNUM           0
+# GNU-NEXT:   0x000000007ffffffd AUXILIARY            Auxiliary library: [D]
+# GNU-NEXT:   0x000000007fffffff FILTER               Filter library: [U]
+# GNU-NEXT:   0x0000000012345678 unknown              0x8765432187654321
+# GNU-NEXT:   0x000000006abcdef0 unknown              0x9988776655443322
+# GNU-NEXT:   0x0000000076543210 unknown              0x5555666677778888
+# GNU-NEXT:   0x0000000000000000 NULL                 0x0
+# GNU-NEXT: ]
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:    .dynstr
+    Type:    SHT_STRTAB
+    Address: 0x1000
+    Size:    0x10
+    Content: "004400550066007700"
+  - Name:    .dynamic
+    Type:    SHT_DYNAMIC
+    Address: 0x1010
+    Entries:
+      - Tag:   DT_NEEDED
+        Value: 0x1
+      - Tag:   DT_PLTRELSZ
+        Value: 0x10
+      - Tag:   DT_PLTGOT
+        Value: 0x1000
+      - Tag:   DT_HASH
+        Value: 0x1000
+      - Tag:   DT_STRTAB
+        Value: 0x1000
+      - Tag:   DT_SYMTAB
+        Value: 0x1000
+      - Tag:   DT_RELA
+        Value: 0x1000
+      - Tag:   DT_RELASZ
+        Value: 0x10
+      - Tag:   DT_RELAENT
+        Value: 0x789
+      - Tag:   DT_STRSZ
+        Value: 0x10
+      - Tag:   DT_SYMENT
+        Value: 0x987
+      - Tag:   DT_INIT
+        Value: 0x1000
+      - Tag:   DT_FINI
+        Value: 0x1000
+      - Tag:   DT_SONAME
+        Value: 0x3
+      - Tag:   DT_RPATH
+        Value: 0x5
+      - Tag:   DT_SYMBOLIC
+        Value: 0x1234567890abcdef
+      - Tag:   DT_REL
+        Value: 0x1000
+      - Tag:   DT_RELSZ
+        Value: 0x10
+      - Tag:   DT_RELENT
+        Value: 0x123
+      - Tag:   DT_PLTREL
+        Value: 0x7
+      - Tag:   DT_DEBUG
+        Value: 0xfedcba0987654321
+      - Tag:   DT_TEXTREL
+        Value: 0x1122334455667788
+      - Tag:   DT_JMPREL
+        Value: 0x1000
+      - Tag:   DT_BIND_NOW
+        Value: 0x8877665544332211
+      - Tag:   DT_INIT_ARRAY
+        Value: 0x1000
+      - Tag:   DT_FINI_ARRAY
+        Value: 0x1000
+      - Tag:   DT_INIT_ARRAYSZ
+        Value: 0x10
+      - Tag:   DT_FINI_ARRAYSZ
+        Value: 0x10
+      - Tag:   DT_RUNPATH
+        Value: 0x7
+      - Tag:   DT_FLAGS
+        Value: 0xffffffffffffffff
+      - Tag:   DT_PREINIT_ARRAY
+        Value: 0x1000
+      - Tag:   DT_PREINIT_ARRAYSZ
+        Value: 0x10
+      - Tag:   DT_SYMTAB_SHNDX
+        Value: 0x1000
+      - Tag:   DT_RELRSZ
+        Value: 0x10
+      - Tag:   DT_RELR
+        Value: 0x1000
+      - Tag:   DT_RELRENT
+        Value: 0x4321
+      - Tag:   DT_ANDROID_REL
+        Value: 0x1000
+      - Tag:   DT_ANDROID_RELSZ
+        Value: 0x10
+      - Tag:   DT_ANDROID_RELA
+        Value: 0x1000
+      - Tag:   DT_ANDROID_RELASZ
+        Value: 0x10
+      - Tag:   DT_ANDROID_RELR
+        Value: 0x1000
+      - Tag:   DT_ANDROID_RELRSZ
+        Value: 0x10
+      - Tag:   DT_ANDROID_RELRENT
+        Value: 0x1234
+      - Tag:   DT_GNU_HASH
+        Value: 0x1000
+      - Tag:   DT_TLSDESC_PLT
+        Value: 0x1000
+      - Tag:   DT_TLSDESC_GOT
+        Value: 0x1000
+      - Tag:   DT_RELACOUNT
+        Value: 0x0
+      - Tag:   DT_RELCOUNT
+        Value: 0x0
+      - Tag:   DT_FLAGS_1
+        Value: 0xffffffffffffffff
+      - Tag:   DT_VERSYM
+        Value: 0x1000
+      - Tag:   DT_VERDEF
+        Value: 0x1000
+      - Tag:   DT_VERDEFNUM
+        Value: 0x0
+      - Tag:   DT_VERNEED
+        Value: 0x1000
+      - Tag:   DT_VERNEEDNUM
+        Value: 0x0
+      - Tag:   DT_AUXILIARY
+        Value: 0x1
+      - Tag:   DT_FILTER
+        Value: 0x3
+      # Show behaviour for unknown values in special and un-marked ranges.
+      - Tag:   0x12345678
+        Value: 0x8765432187654321
+      - Tag:   0x6abcdef0
+        Value: 0x9988776655443322
+      - Tag:   0x76543210
+        Value: 0x5555666677778888
+      - Tag:   DT_NULL
+        Value: 0x0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynstr
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1010
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,48 @@
+# If the offset and/or size fields of the PT_DYNAMIC field become corrupted,
+# it will be impossible to read the dynamic segment validly. This test shows
+# that a sensible error message is given in this situation.
+
+# Creating such a malformed file is hard. The easiest way to simulate it is to
+# truncate the file. Note that the section headers must first be stripped or
+# llvm-readobj will fail to parse the file due to the section header table
+# offset pointing outside the file.
+
+# RUN: yaml2obj %s -o %t.base
+# RUN: llvm-objcopy --strip-sections %t.base %t.stripped
+
+# Test case where the size is too large to fit in the file, but the start is
+# within the file.
+# RUN: cp %t.stripped %t.truncated1
+# RUN: %python -c "with open(r'%t.truncated1', 'r+') as f: f.truncate(0x1001)"
+# RUN: not llvm-readobj %t.truncated1 --dynamic-table 2>&1 | FileCheck %s
+
+# Test case where the offset is too large to be in the file.
+# RUN: cp %t.stripped %t.truncated2
+# RUN: %python -c "with open(r'%t.truncated2', 'r+') as f: f.truncate(0xFFF)"
+# RUN: not llvm-readobj %t.truncated2 --dynamic-table 2>&1 | FileCheck %s
+
+# CHECK: Error reading file: Invalid data was encountered while parsing the file.
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+Sections:
+  - Name:         .dynamic
+    Type:         SHT_DYNAMIC
+    Address:      0x1000
+    AddressAlign: 0x1000
+    Entries:
+      - Tag:   DT_NULL
+        Value: 0
+ProgramHeaders:
+  - Type: PT_LOAD
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic
+  - Type: PT_DYNAMIC
+    VAddr: 0x1000
+    Sections:
+      - Section: .dynamic

Added: llvm/trunk/test/tools/llvm-readobj/elf-no-phdrs.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-no-phdrs.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-no-phdrs.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-no-phdrs.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,24 @@
+# Show that llvm-readobj can handle no program headers when --program-headers
+# is requested, both for LLVM and GNU output.
+
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-readobj %t --program-headers | FileCheck %s --check-prefix=LLVM
+# RUN: llvm-readelf %t --program-headers | FileCheck %s --check-prefix=GNU
+
+# LLVM:      ProgramHeaders [
+# LLVM-NEXT: ]
+
+# GNU:       There are 0 program headers
+# GNU:       Program Headers:
+# GNU-NEXT:    Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
+# GNU-EMPTY:
+# GNU-NEXT:  Section to Segment mapping:
+# GNU-NEXT:    Segment Sections...
+# GNU-NEXT:     None   .symtab .strtab .shstrtab
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64

Added: llvm/trunk/test/tools/llvm-readobj/elf-no-relocs.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-no-relocs.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-no-relocs.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-no-relocs.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,48 @@
+# Show that llvm-readobj can handle no relocations when --relocations is
+# requested, both for LLVM and GNU output, both for no relocation sections and
+# for empty relocation sections.
+
+# RUN: yaml2obj %s -o %t.no_relocs
+# RUN: llvm-readobj %t.no_relocs --relocations | FileCheck %s --check-prefix NO-RELOCS-LLVM
+# RUN: llvm-readelf %t.no_relocs --relocations | FileCheck %s --check-prefix NO-RELOCS-GNU
+
+# RUN: llvm-objcopy -R .rela.text -R .rel.text %t.no_relocs %t.no_sec
+# RUN: llvm-readobj %t.no_sec --relocations | FileCheck %s --check-prefix NO-SEC-LLVM
+# RUN: llvm-readelf %t.no_sec --relocations | FileCheck %s --check-prefix NO-SEC-GNU
+
+# NO-RELOCS-LLVM:      Relocations [
+# NO-RELOCS-LLVM-NEXT:   Section (2) .rela.text {
+# NO-RELOCS-LLVM-NEXT:   }
+# NO-RELOCS-LLVM-NEXT:   Section (3) .rel.text {
+# NO-RELOCS-LLVM-NEXT:   }
+# NO-RELOCS-LLVM-NEXT: ]
+
+# NO-RELOCS-GNU:       Relocation section '.rela.text' at offset {{.*}} contains 0 entries:
+# NO-RELOCS-GNU-NEXT:    Offset Info Type Symbol's Value Symbol's Name + Addend
+# NO-RELOCS-GNU-EMPTY:
+# NO-RELOCS-GNU-NEXT:  Relocation section '.rel.text' at offset {{.*}} contains 0 entries:
+# NO-RELOCS-GNU-NEXT:   Offset Info Type Symbol's Value Symbol's Name
+# NO-RELOCS-GNU-EMPTY:
+
+# NO-SEC-LLVM:      Relocations [
+# NO-SEC-LLVM-NEXT: ]
+
+# NO-SEC-GNU: There are no relocations in this file.
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:
+  - Name: .text
+    Type: SHT_PROGBITS
+  - Name: .rela.text
+    Type: SHT_RELA
+    Info: .text
+    Link: .symtab
+  - Name: .rel.text
+    Type: SHT_REL
+    Info: .text
+    Link: .symtab

Added: llvm/trunk/test/tools/llvm-readobj/elf-no-shdrs.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-no-shdrs.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-no-shdrs.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-no-shdrs.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,33 @@
+# Show that llvm-readobj can handle ELF files where the section header table has
+# been stripped, both for GNU and LLVM style output.
+
+# RUN: yaml2obj %s -o %t.raw
+# RUN: llvm-objcopy --strip-sections %t.raw %t.o
+# RUN: llvm-readobj --file-headers --section-headers --symbols %t.o | FileCheck %s --check-prefix=LLVM
+# RUN: llvm-readelf --file-headers --section-headers --symbols %t.o | FileCheck %s --check-prefix=GNU --allow-empty
+
+# LLVM:      SectionHeaderCount:      0
+# LLVM:      StringTableSectionIndex: 0
+# LLVM:      Sections [
+# LLVM-NEXT: ]
+# LLVM-NEXT: Symbols [
+# LLVM-NEXT: ]
+
+# GNU:     Number of section headers:         0
+# GNU:     Section header string table index: 0
+# GNU:     There are 0 section headers
+# GNU-NOT: Symbol table '{{.*}}' contains {{.*}} entries
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:
+  - Name: .text
+    Type: SHT_PROGBITS
+Symbols:
+  Global:
+    - Name: foobar
+      Section: .text

Added: llvm/trunk/test/tools/llvm-readobj/elf-types.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/elf-types.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/elf-types.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/elf-types.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,116 @@
+# Show that llvm-readobj can handle all standard ELF types.
+# RUN: yaml2obj %s --docnum=1 -o %t.none
+# RUN: llvm-readobj --file-headers %t.none | FileCheck %s --check-prefix=LLVM-NONE
+# RUN: llvm-readelf --file-headers %t.none | FileCheck %s --check-prefix=GNU-NONE
+
+# LLVM-NONE: Type: None (0x0)
+# GNU-NONE:  Type: NONE (none)
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_NONE
+  Machine: EM_X86_64
+
+# RUN: yaml2obj %s --docnum=2 -o %t.rel
+# RUN: llvm-readobj --file-headers %t.rel | FileCheck %s --check-prefix=LLVM-REL
+# RUN: llvm-readelf --file-headers %t.rel | FileCheck %s --check-prefix=GNU-REL
+
+# LLVM-REL: Type: Relocatable (0x1)
+# GNU-REL:  Type: REL (Relocatable file)
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+
+
+# RUN: yaml2obj %s --docnum=3 -o %t.exec
+# RUN: llvm-readobj --file-headers %t.exec | FileCheck %s --check-prefix=LLVM-EXEC
+# RUN: llvm-readelf --file-headers %t.exec | FileCheck %s --check-prefix=GNU-EXEC
+
+# LLVM-EXEC: Type: Executable (0x2)
+# GNU-EXEC:  Type: EXEC (Executable file)
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_EXEC
+  Machine: EM_X86_64
+
+# RUN: yaml2obj %s --docnum=4 -o %t.so
+# RUN: llvm-readobj --file-headers %t.so | FileCheck %s --check-prefix=LLVM-SO
+# RUN: llvm-readelf --file-headers %t.so | FileCheck %s --check-prefix=GNU-SO
+
+# LLVM-SO: Type: SharedObject (0x3)
+# GNU-SO:  Type: DYN (Shared object file)
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_DYN
+  Machine: EM_X86_64
+
+# RUN: yaml2obj %s --docnum=5 -o %t.core
+# RUN: llvm-readobj --file-headers %t.core | FileCheck %s --check-prefix=LLVM-CORE
+# RUN: llvm-readelf --file-headers %t.core | FileCheck %s --check-prefix=GNU-CORE
+
+# LLVM-CORE: Type: Core (0x4)
+# GNU-CORE:  Type: CORE (Core file)
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_CORE
+  Machine: EM_X86_64
+
+# Show that llvm-readobj can handle an unknown ELF type.
+# RUN: yaml2obj %s --docnum=6 -o %t.unknown
+# RUN: llvm-readobj --file-headers %t.unknown | FileCheck %s --check-prefix=LLVM-UNKNOWN
+# RUN: llvm-readelf --file-headers %t.unknown | FileCheck %s --check-prefix=GNU-UNKNOWN
+
+# LLVM-UNKNOWN: Type: 0x42
+# GNU-UNKNOWN:  Type: 42
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    0x42
+  Machine: EM_X86_64
+
+# Show that llvm-readobj can handle an unknown OS-specific ELF type.
+# RUN: yaml2obj %s --docnum=7 -o %t.os
+# RUN: llvm-readobj --file-headers %t.os | FileCheck %s --check-prefix=LLVM-OS
+# RUN: llvm-readelf --file-headers %t.os | FileCheck %s --check-prefix=GNU-OS
+
+# LLVM-OS: Type: 0xFE00
+# GNU-OS:  Type: fe00
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    0xfe00
+  Machine: EM_X86_64
+
+# Show that llvm-readobj can handle an unknown machine-specific ELF type.
+# RUN: yaml2obj %s --docnum=8 -o %t.proc
+# RUN: llvm-readobj --file-headers %t.proc | FileCheck %s --check-prefix=LLVM-PROC
+# RUN: llvm-readelf --file-headers %t.proc | FileCheck %s --check-prefix=GNU-PROC
+
+# LLVM-PROC: Type: 0xFF00
+# GNU-PROC:  Type: ff00
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    0xff00
+  Machine: EM_X86_64

Added: llvm/trunk/test/tools/llvm-readobj/string-dump.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/string-dump.test?rev=355003&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/string-dump.test (added)
+++ llvm/trunk/test/tools/llvm-readobj/string-dump.test Wed Feb 27 08:41:59 2019
@@ -0,0 +1,42 @@
+# Check the dumping of a section as strings.
+# RUN: yaml2obj %s > %t
+
+# RUN: llvm-readobj --string-dump=.strings --string-dump=.not_null_terminated %t | FileCheck %s
+# RUN: llvm-readobj -p=.strings -p=.not_null_terminated %t | FileCheck %s
+# RUN: llvm-readobj --string-dump=1 --string-dump=2 %t | FileCheck %s
+
+# RUN: llvm-readelf --string-dump=.strings --string-dump=.not_null_terminated %t | FileCheck %s
+# RUN: llvm-readelf -p=.strings -p=.not_null_terminated %t | FileCheck %s
+# RUN: llvm-readelf --string-dump=1 --string-dump=2 %t | FileCheck %s
+
+# CHECK:      String dump of section '.strings':
+# CHECK-NEXT: [ 0] here
+# CHECK-NEXT: [ 5] are
+# CHECK-NEXT: [ 9] some
+# CHECK-NEXT: [ e] strings
+# CHECK-NEXT: String dump of section '.not_null_terminated':
+# CHECK-NEXT: [ 0] no
+# CHECK-NEXT: [ 3] null{{$}}
+# CHECK-NOT:  {{.}}
+
+# RUN: not llvm-readobj --string-dump=does_not_exist %t 2>&1 | FileCheck %s --check-prefix=ERR
+# RUN: not llvm-readobj --string-dump=42 %t 2>&1 | FileCheck %s --check-prefix=ERR
+
+# RUN: not llvm-readelf --string-dump=does_not_exist %t 2>&1 | FileCheck %s --check-prefix=ERR
+# RUN: not llvm-readelf --string-dump=42 %t 2>&1 | FileCheck %s --check-prefix=ERR
+
+# ERR: Error reading file: invalid section reference.
+
+--- !ELF
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name: .strings
+    Type: SHT_PROGBITS
+    Content: 686572650061726500736f6d6500737472696e677300
+  - Name: .not_null_terminated
+    Type: SHT_PROGBITS
+    Content: 6e6f006e756c6c




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