diff options
Diffstat (limited to 'llvm/test/tools')
3 files changed, 141 insertions, 3 deletions
diff --git a/llvm/test/tools/llvm-readobj/elf-dynamic-not-in-pt-dynamic.test b/llvm/test/tools/llvm-readobj/elf-dynamic-not-in-pt-dynamic.test new file mode 100644 index 00000000000..d52ec7696fd --- /dev/null +++ b/llvm/test/tools/llvm-readobj/elf-dynamic-not-in-pt-dynamic.test @@ -0,0 +1,47 @@ +## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic +## section when it is not in a PT_DYNAMIC segment. + +# RUN: yaml2obj %s -o %t.o +# RUN: llvm-readobj --dynamic-table %t.o 2>&1 | FileCheck %s +# RUN: llvm-readelf --dynamic-table %t.o 2>&1 | FileCheck %s + +# CHECK: warning: The SHT_DYNAMIC section '.dynamic' is not contained within the PT_DYNAMIC segment +# CHECK: DynamicSection [ (2 entries) +# CHECK-NEXT: Tag Type Name/Value +# CHECK-NEXT: 0x0000000000000018 BIND_NOW 0x1 +# CHECK-NEXT: 0x0000000000000000 NULL 0x0 +# CHECK-NEXT: ] + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 +Sections: + - Name: .dynamic + Type: SHT_DYNAMIC + Flags: [SHF_ALLOC] + Address: 0x1000 + AddressAlign: 0x1000 + Entries: + - Tag: DT_BIND_NOW + Value: 0x1 + - Tag: DT_NULL + Value: 0x0 + - Name: .text + Type: SHT_PROGBITS + Flags: [SHF_ALLOC] + Address: 0x1100 + AddressAlign: 0x100 + Content: "00" +ProgramHeaders: + - Type: PT_LOAD + VAddr: 0x1000 + Sections: + - Section: .dynamic + - Section: .text + - Type: PT_DYNAMIC + VAddr: 0x1000 + Sections: + - Section: .text diff --git a/llvm/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test b/llvm/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test index e762a27865f..db229b1b259 100644 --- a/llvm/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test +++ b/llvm/test/tools/llvm-readobj/elf-malformed-pt-dynamic.test @@ -1,6 +1,5 @@ # 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. +# we should report a sensible error message. # 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 @@ -21,7 +20,7 @@ # 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: Invalid data was encountered while parsing the file +# CHECK: error: PT_DYNAMIC segment offset + size exceeds the size of the file --- !ELF FileHeader: diff --git a/llvm/test/tools/llvm-readobj/elf-non-dynamic-in-pt-dynamic.test b/llvm/test/tools/llvm-readobj/elf-non-dynamic-in-pt-dynamic.test new file mode 100644 index 00000000000..610148f26ff --- /dev/null +++ b/llvm/test/tools/llvm-readobj/elf-non-dynamic-in-pt-dynamic.test @@ -0,0 +1,92 @@ +## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic section which +## is not alone in PT_DYNAMIC segment. + +## In the first case .text is placed before .dynamic. +## We check that we warn about this case. + +# RUN: yaml2obj --docnum=1 %s -o %t.o +# RUN: llvm-readobj --dynamic-table %t.o 2>&1 | FileCheck %s --check-prefixes=WARNING,CHECK +# RUN: llvm-readelf --dynamic-table %t.o 2>&1 | FileCheck %s --check-prefixes=WARNING,CHECK + +# WARNING: warning: The SHT_DYNAMIC section '.dynamic' is not at the start of PT_DYNAMIC segment +# CHECK: DynamicSection [ (2 entries) +# CHECK-NEXT: Tag Type Name/Value +# CHECK-NEXT: 0x0000000000000018 BIND_NOW 0x1 +# CHECK-NEXT: 0x0000000000000000 NULL 0x0 +# CHECK-NEXT: ] + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 +Sections: + - Name: .text + Type: SHT_PROGBITS + Flags: [SHF_ALLOC] + Address: 0x1000 + AddressAlign: 0x100 + Content: "00" + - Name: .dynamic + Type: SHT_DYNAMIC + Flags: [SHF_ALLOC] + Address: 0x1100 + AddressAlign: 0x1000 + Entries: + - Tag: DT_BIND_NOW + Value: 0x1 + - Tag: DT_NULL + Value: 0x0 +ProgramHeaders: + - Type: PT_LOAD + VAddr: 0x1000 + Sections: + - Section: .text + - Section: .dynamic + - Type: PT_DYNAMIC + VAddr: 0x1000 + Sections: + - Section: .text + - Section: .dynamic + +## In the second case .text goes after .dynamic and we don't display any warnings. + +# RUN: yaml2obj --docnum=2 %s -o %t.o +# RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --implicit-check-not="warning" +# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --implicit-check-not="warning" + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 +Sections: + - Name: .dynamic + Type: SHT_DYNAMIC + Flags: [SHF_ALLOC] + Address: 0x1000 + AddressAlign: 0x1000 + Entries: + - Tag: DT_BIND_NOW + Value: 0x1 + - Tag: DT_NULL + Value: 0x0 + - Name: .text + Type: SHT_PROGBITS + Flags: [SHF_ALLOC] + Address: 0x1100 + AddressAlign: 0x100 + Content: "00" +ProgramHeaders: + - Type: PT_LOAD + VAddr: 0x1000 + Sections: + - Section: .dynamic + - Section: .text + - Type: PT_DYNAMIC + VAddr: 0x1000 + Sections: + - Section: .dynamic + - Section: .text |
