| ## 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: [<?>] |