llvm-for-llvmta/test/tools/llvm-readobj/ELF/loadname.test

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## Check we are able to dump library soname properly.
## Test a valid object case first. We set 'FileSize' to 0x48, because this is a no-op,
## i.e. this value would be set if we had no 'FileSize' at all.
# RUN: yaml2obj -DDTSTRTABVAL=0x0 -DPHDRFILESIZE="0x48" %s -o %t.o
# RUN: llvm-readobj %t.o | FileCheck %s --check-prefix LLVM
# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix GNU
# LLVM: Format: elf64-x86-64
# LLVM-NEXT: Arch: x86_64
# LLVM-NEXT: AddressSize: 64bit
# LLVM-NEXT: LoadName: test.so
# GNU: Dynamic section at offset 0x80 contains 4 entries:
# GNU-NEXT: Tag Type Name/Value
# GNU-NEXT: 0x0000000000000005 (STRTAB) 0x0
# GNU-NEXT: 0x000000000000000a (STRSZ) 8 (bytes)
# GNU-NEXT: 0x000000000000000e (SONAME) Library soname: [test.so]
# GNU-NEXT: 0x0000000000000000 (NULL) 0x0
!ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .dynstr
Type: SHT_STRTAB
Flags: [ SHF_ALLOC ]
Content: '746573742e736f00' ## "test.so"
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [ SHF_ALLOC ]
Link: .dynstr
Entries:
- Tag: DT_STRTAB
Value: [[DTSTRTABVAL]]
- Tag: DT_STRSZ
Value: 0x0000000000000008
- Tag: DT_SONAME
Value: 0x0000000000000000
- Tag: DT_NULL
Value: 0x0000000000000000
ProgramHeaders:
- Type: PT_LOAD
Flags: [ PF_R ]
VAddr: 0x0000
FileSize: [[PHDRFILESIZE]]
FirstSec: .dynstr
LastSec: .dynamic
## Check we do not crash when an object contains a DT_STRTAB entry whose address
## is past the end of the object.
## Note that we have to set p_filesz for PT_LOAD larger than DT_STRTAB value
## to trigger this particular warning.
# RUN: yaml2obj -DDTSTRTABVAL=0xFFFE -DPHDRFILESIZE=0xFFFF %s -o %t.err.1.o
# RUN: llvm-readobj %t.err.1.o 2>&1 | FileCheck %s -DFILE=%t.err.1.o --check-prefixes=BROKEN-OFFSET,BROKEN-OFFSET-LLVM
# RUN: llvm-readelf --dynamic-table %t.err.1.o 2>&1 | FileCheck %s -DFILE=%t.err.1.o --check-prefixes=BROKEN-OFFSET,BROKEN-OFFSET-GNU
# BROKEN-OFFSET: warning: '[[FILE]]': unable to parse DT_STRTAB: can't map virtual address 0xfffe to the segment with index 1: the segment ends at 0x10077, which is greater than the file size (0x228)
# BROKEN-OFFSET: warning: '[[FILE]]': string table was not found
# BROKEN-OFFSET-LLVM: LoadName: <?>
# BROKEN-OFFSET-GNU: 0x000000000000000e (SONAME) Library soname: [<?>]