1 ## Check that llvm-objdump reports an error when
2 ## .shstrtab has an invalid type.
4 # RUN: yaml2obj %s --docnum=1 -o %t1
5 # RUN: not llvm-objdump -s %t1 2>&1 | FileCheck %s -DFILE=%t1 --check-prefix=INVALID-SHTYPE
7 # INVALID-SHTYPE: error: '[[FILE]]': invalid sh_type for string table section [index 1]: expected SHT_STRTAB, but got SHT_PROGBITS
19 ## Check that llvm-objdump reports an error when
20 ## .shstrtab has an invalid zero-size.
22 # RUN: yaml2obj %s --docnum=2 -o %t2
23 # RUN: not llvm-objdump -s %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=STRTAB-EMPTY
25 # STRTAB-EMPTY: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
38 ## Check that llvm-objdump reports an error when .shstrtab has an invalid
39 ## size that goes past the end of the file.
41 # RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-size.elf 2>&1 \
42 # RUN: | FileCheck %s -DFILE=%p/Inputs/invalid-strtab-size.elf --check-prefix=INVALID-STRTAB-SIZE
44 # INVALID-STRTAB-SIZE: error: '[[FILE]]': section [index 1] has a sh_offset (0x70) + sh_size (0xffffff) that is greater than the file size (0x218)
46 ## Document that llvm-dwarfdump doesn't reports errors/warnings during relocation resolution
47 ## when instead of SHT_RELA section we have a SHT_REL section in an object.
48 ## In this case it just doesn't try to read relocation addends and assumes they are 0.
50 ## Note: we don't check the output, because the intention of this test is just to check the
51 ## exit code and to document the fact that no warnings are reported.
52 # RUN: yaml2obj %s --docnum=3 -o %t3
53 # RUN: llvm-dwarfdump -debug-line %t3 2>&1 | FileCheck --implicit-check-not=warning: %s
64 ## The exact content does not matter here. We can use any minimal valid debug section
65 ## which is a target for relocation. The idea is to trigger the code that reads the
66 ## relocation's addend during relocation resolution. It should fail if called on
67 ## a non-SHT_RELA section.
68 Content: 380000000200210000000101FB0E0D00010101010000000100000100676C6F62616C2E63707000000000000009020000000000000000130237000101
69 - Name: .rela.debug_line
73 - Offset: 0x000000000000002E
76 ## Check that llvm-objdump reports an error when it tries to dump section names
77 ## and .shstrtab is not null-terminated.
79 # RUN: yaml2obj %s --docnum=4 -o %t4
80 # RUN: not llvm-objdump -s %t4 2>&1 | FileCheck -DFILE=%t4 --check-prefix=SHSTRTAB-NON-TERM %s
82 # SHSTRTAB-NON-TERM: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is non-null terminated
95 ## Check that llvm-objdump reports an error when it tries to dump a symbol name and
96 ## .strtab is not null-terminated.
98 # RUN: yaml2obj %s --docnum=5 -o %t5
99 # RUN: not llvm-objdump --syms %t5 2>&1 | FileCheck --check-prefix=NONULL %s
101 # NONULL: error: {{.*}}: SHT_STRTAB string table section [index 1] is non-null terminated
116 ## Check that llvm-readobj reports an error if .symtab has an invalid sh_entsize.
118 # RUN: yaml2obj %s --docnum=6 -o %t6
119 # RUN: llvm-readobj --symbols %t6 2>&1 | FileCheck -DFILE=%t6 --check-prefix=INVALID-SYM-SIZE %s
121 # INVALID-SYM-SIZE: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has invalid sh_entsize: expected 24, but got 32
136 ## Check that llvm-readobj reports a warning if .dynsym has an invalid sh_entsize.
138 # RUN: yaml2obj %s --docnum=7 -o %t7
139 # RUN: llvm-readobj --dyn-symbols %t7 2>&1 | FileCheck -DFILE=%t7 --check-prefix=INVALID-DYNSYM-SIZE %s
141 # INVALID-DYNSYM-SIZE: warning: '[[FILE]]': SHT_DYNSYM section with index 1 has invalid size (0x30) or entry size (0x20)
156 ## Check that llvm-readobj reports a warning if .symtab has an invalid sh_link value,
157 ## which is greater than number of sections.
159 # RUN: yaml2obj %s --docnum=8 -o %t8
160 # RUN: llvm-readobj --symbols %t8 2>&1 | FileCheck -DFILE=%t8 --check-prefix=INVALID-SYMTAB-LINK %s
162 # INVALID-SYMTAB-LINK: warning: '[[FILE]]': unable to get the string table for the SHT_SYMTAB section: invalid section index: 255
175 ## Check that llvm-readobj reports an error when trying to dump sections
176 ## when the e_shentsize field is broken.
178 # RUN: yaml2obj %s --docnum=9 -o %t9
179 # RUN: not llvm-readobj -S %t9 2>&1 | \
180 # RUN: FileCheck -DFILE=%t9 --implicit-check-not=warning: --check-prefix=INVALID-SH-ENTSIZE %s
182 # INVALID-SH-ENTSIZE: LoadName: <Not found>
183 # INVALID-SH-ENTSIZE-NEXT: error: '[[FILE]]': unable to continue dumping, the file is corrupt: invalid e_shentsize in ELF header: 1
193 ## Check that llvm-readobj reports a warning if .symtab has sh_size
194 ## that is not a multiple of sh_entsize.
196 # RUN: yaml2obj %s --docnum=10 -o %t10
197 # RUN: llvm-readobj --symbols %t10 2>&1 | FileCheck -DFILE=%t10 --check-prefix=INVALID-SYMTAB-SIZE %s
199 # INVALID-SYMTAB-SIZE: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has an invalid sh_size (1) which is not a multiple of its sh_entsize (24)
212 ## Test that llvm-readobj reports an error if SHT_SYMTAB_SHNDX section has
213 ## invalid sh_size which should be:
214 ## sizeof(.symtab_shndx) = (sizeof(.symtab) / entsize(.symtab)) * entsize(.symtab_shndx)
216 # RUN: yaml2obj %s --docnum=11 -o %t11
217 # RUN: llvm-readobj --symbols %t11 2>&1 | FileCheck --check-prefix=INVALID-XINDEX-SIZE %s
219 # INVALID-XINDEX-SIZE: warning: {{.*}}: SHT_SYMTAB_SHNDX has 2 entries, but the symbol table associated has 1
228 - Name: .symtab_shndx
229 Type: SHT_SYMTAB_SHNDX
234 ## Check that llvm-readobj reports a warning when the e_phentsize field is broken.
236 # RUN: llvm-readobj --program-headers %p/Inputs/invalid-e_shnum.elf 2>&1 | \
237 # RUN: FileCheck -DFILE=%p/Inputs/invalid-e_shnum.elf --check-prefix=INVALID-PH-ENTSIZE %s
239 # INVALID-PH-ENTSIZE: warning: '[[FILE]]': unable to dump program headers: invalid e_phentsize: 12336
241 ## Check that llvm-readobj reports a warning when we have no SHT_SYMTAB_SHNDX section,
242 ## but have a symbol referencing it.
244 # RUN: llvm-readobj --symbols %p/Inputs/invalid-ext-symtab-index.elf-x86-64 2>&1 | \
245 # RUN: FileCheck -DFILE=%p/Inputs/invalid-ext-symtab-index.elf-x86-64 --check-prefix=INVALID-EXT-SYMTAB-INDEX %s
247 # INVALID-EXT-SYMTAB-INDEX: warning: '[[FILE]]': found an extended symbol index (0), but unable to locate the extended symbol index table
248 # INVALID-EXT-SYMTAB-INDEX: Section: Reserved (0xFFFF)
250 ## Check that llvm-readobj reports an error if a relocation section
251 ## has a broken sh_offset (past the end of the file).
253 # RUN: yaml2obj %s --docnum=12 -o %t12
254 # RUN: yaml2obj %s --docnum=13 -o %t13
255 # RUN: llvm-readobj -r %t12 2>&1 | FileCheck -DFILE=%t12 --check-prefix=INVALID-RELOC-SH-OFFSET -DTYPE=SHT_REL %s
256 # RUN: llvm-readobj -r %t13 2>&1 | FileCheck -DFILE=%t13 --check-prefix=INVALID-RELOC-SH-OFFSET -DTYPE=SHT_RELA %s
258 # INVALID-RELOC-SH-OFFSET: warning: '[[FILE]]': unable to read relocations from [[TYPE]] section with index 1: section [index 1] has a sh_offset (0x10000) + sh_size (0x0) that is greater than the file size (0x160)
282 ## Check that llvm-readobj reports a warning when we try to print section symbols and
283 ## .shstrtab has a broken sh_offset so large that sh_offset + sh_size overflows the platform address size type.
285 # RUN: yaml2obj %s --docnum=14 -o %t14
286 # RUN: llvm-readobj --symbols %t14 2>&1 | FileCheck -DFILE=%t14 --check-prefix=INVALID-SECTION-SIZE2 %s
288 # INVALID-SECTION-SIZE2: Symbol {
289 # INVALID-SECTION-SIZE2: Name: symbol (1)
290 # INVALID-SECTION-SIZE2-NEXT: Value: 0x123
291 # INVALID-SECTION-SIZE2-NEXT: Size: 0
292 # INVALID-SECTION-SIZE2-NEXT: Binding: Local (0x0)
293 # INVALID-SECTION-SIZE2-NEXT: Type: None (0x0)
294 # INVALID-SECTION-SIZE2-NEXT: Other: 0
295 # INVALID-SECTION-SIZE2-NEXT: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1b) that cannot be represented
296 # INVALID-SECTION-SIZE2-NEXT: Section: <?> (0x1)
297 # INVALID-SECTION-SIZE2-NEXT: }
314 ## Check that llvm-readobj reports an error when trying to dump sections
315 ## when the e_shnum field is broken (is greater than the actual number of sections).
317 # RUN: yaml2obj %s --docnum=15 -o %t15
318 # RUN: not llvm-readobj -S %t15 2>&1 | \
319 # RUN: FileCheck -DFILE=%t15 --implicit-check-not=warning: --check-prefix=INVALID-SECTION-NUM %s
321 # INVALID-SECTION-NUM: LoadName: <Not found>
322 # INVALID-SECTION-NUM-NEXT: error: '[[FILE]]': unable to continue dumping, the file is corrupt: section table goes past the end of file
332 ## Check llvm-readobj does not crash on a truncated ELF.
334 ## Create a truncated ELF object with ELFCLASSNONE class using echo.
335 ## 0x7f, 'E', 'L', 'F', ELFCLASS64(2), ELFDATA2LSB(1),
336 ## EV_CURRENT(1), ELFOSABI_LINUX(3), <padding zero bytes>, ET_REL(1), EM_NONE(0)
337 # RUN: echo -e -n "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00" > %t11
338 # RUN: not llvm-readobj -r %t11 2>&1 | FileCheck --check-prefix=INVALID-BUFFER %s
340 # INVALID-BUFFER: error: {{.*}}': invalid buffer: the size (18) is smaller than an ELF header (64)
342 # RUN: not llvm-readobj %p/Inputs/invalid-coff-header-too-small 2>&1 | FileCheck --check-prefix=COFF-HEADER %s
343 # COFF-HEADER: The file was not recognized as a valid object file
345 ## Check that llvm-readobj reports an error if section name offset
346 ## overflows the section name string table.
348 # RUN: yaml2obj %s --docnum=16 -o %t16
349 # RUN: llvm-readobj --sections %t16 2>&1 | FileCheck -DFILE=%t16 --check-prefix=BROKEN-SECNAME %s
351 ## BROKEN-SECNAME: warning: '[[FILE]]': unable to get the name of SHT_STRTAB section with index 2: a section [index 2] has an invalid sh_name (0xb) offset which goes past the end of the section name string table
364 ## Check that llvm-readobj reports an error if a section has a broken offset
365 ## that goes past the end of the file.
367 # RUN: yaml2obj %s --docnum=17 -o %t17
368 # RUN: not llvm-readobj --sections --section-data %t17 2>&1 \
369 # RUN: | FileCheck -DFILE=%t17 --check-prefix=BROKEN-SECSHOFFSET %s
371 # BROKEN-SECSHOFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0xffff0000) + sh_size (0x0) that is greater than the file size (0x160)
384 ## Check that llvm-readobj reports a warning if symbol name
385 ## offset goes past the end of the symbol string table.
387 # RUN: yaml2obj %s --docnum=18 -o %t18
388 # RUN: llvm-readobj --symbols %t18 2>&1 | FileCheck -DFILE=%t18 --check-prefix=INVALID-SYM-NAME %s
390 # INVALID-SYM-NAME: warning: '[[FILE]]': st_name (0x1) is past the end of the string table of size 0x1
405 ## Version index in .gnu.version overflows the version map.
406 ## Check llvm-readobj reports it.
408 # RUN: yaml2obj %s --docnum=19 -o %t19
409 # RUN: llvm-readobj --dyn-symbols %t19 2>&1 | FileCheck -DFILE=%t19 --check-prefix=INVALID-VERSION %s
411 # INVALID-VERSION: warning: '[[FILE]]': SHT_GNU_versym section refers to a version index 255 which is missing
426 ## ELF header contains e_phentsize field with a value != sizeof(Elf_Phdr).
427 ## Check llvm-readobj reports it.
429 # RUN: llvm-readobj -l %p/Inputs/corrupt-invalid-phentsize.elf.x86-64 2>&1 \
430 # RUN: | FileCheck -DFILE=%p/Inputs/corrupt-invalid-phentsize.elf.x86-64 --check-prefix=PHENTSIZE %s
432 # PHENTSIZE: warning: '[[FILE]]': unable to read program headers to locate the PT_DYNAMIC segment: invalid e_phentsize: 57
434 ## The dynamic table contains DT_STRTAB with a value that is not in any loadable segment.
435 ## Check llvm-readobj reports it.
437 # RUN: yaml2obj %s --docnum=20 -o %t20
438 # RUN: llvm-readobj --dynamic-table %t20 2>&1 | FileCheck -DFILE=%t20 --check-prefix=INVALID-DTSTRTAB %s
440 # INVALID-DTSTRTAB: warning: '[[FILE]]': unable to parse DT_STRTAB: virtual address is not in any segment: 0xffff0000
463 ## Check that llvm-readobj reports a warning when a dynamic relocation section
464 ## has sh_entsize field with size != sizeof(Elf_Rela).
466 # RUN: llvm-readobj --dyn-relocations \
467 # RUN: %p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 2>&1 \
468 # RUN: | FileCheck -DFILE=%p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 --check-prefix=RELOC-BROKEN-ENTSIZE %s
470 # RELOC-BROKEN-ENTSIZE: warning: '[[FILE]]': invalid DT_RELASZ value (0x18) or DT_RELAENT value (0x19)
472 ## Check that llvm-readobj reports a warning when .dynamic section has an invalid
473 ## size, which isn't a multiple of the dynamic entry size.
475 # RUN: yaml2obj %s --docnum=21 -o %t21
476 # RUN: llvm-readobj --dyn-relocations %t21 2>&1 | FileCheck -DFILE=%t21 --check-prefix=DYN-TABLE-SIZE %s
478 # DYN-TABLE-SIZE: warning: '[[FILE]]': SHT_DYNAMIC section with index 1 has invalid size (0x1){{$}}
491 ## PT_DYNAMIC's p_offset field is so large that p_offset + p_filesz is larger
492 ## than the object size. Check llvm-readobj reports it.
494 # RUN: yaml2obj %s --docnum=22 -o %t22
495 # RUN: llvm-readobj --dyn-relocations %t22 2>&1 | FileCheck -DFILE=%t22 --check-prefix=DYN-TABLE-PHDR %s
497 # DYN-TABLE-PHDR: warning: '[[FILE]]': PT_DYNAMIC segment offset (0xffff0000) + file size (0x0) exceeds the size of the file (0x150)
509 ## PT_DYNAMIC's p_filesz field is so large that p_offset + p_filesz is larger
510 ## than the object size. Check llvm-readobj reports it.
512 # RUN: yaml2obj %s --docnum=23 -o %t23
513 # RUN: llvm-readobj --dyn-relocations %t23 2>&1 \
514 # RUN: | FileCheck -DFILE=%t23 --check-prefix=DYN-TABLE-PHDR2 %s
516 # DYN-TABLE-PHDR2: warning: '[[FILE]]': PT_DYNAMIC segment offset (0x78) + file size (0xffff0000) exceeds the size of the file (0x1a8)
536 # RUN: yaml2obj --docnum=24 %s -o %t24
537 # RUN: not obj2yaml 2>&1 %t24 | FileCheck %s -DFILE=%t24 --check-prefix=INVALID-SHSTRNDX
539 # INVALID-SHSTRNDX: Error reading file: [[FILE]]: section header string table index 255 does not exist
552 ## We report an error if the number of sections stored in sh_size
553 ## is greater than UINT64_MAX / sizeof(Elf_Shdr) == 288230376151711743.
554 ## Here we check that do not crash on a border value.
556 # RUN: yaml2obj --docnum=25 %s -o %t25
557 # RUN: not llvm-readobj -h %t25 2>&1 | FileCheck -DFILE=%t25 --check-prefix=INVALID-SEC-NUM1 %s
559 # INVALID-SEC-NUM1: error: '[[FILE]]': unable to continue dumping, the file is corrupt: invalid section header table offset (e_shoff = 0x58) or invalid number of sections specified in the first section header's sh_size field (0x3ffffffffffffff)
570 Size: 288230376151711743
572 ## See above, but now we test the UINT64_MAX / sizeof(Elf_Shdr) value.
573 ## The error is slightly different in this case.
575 # RUN: yaml2obj --docnum=26 %s -o %t26
576 # RUN: not llvm-readobj -h %t26 2>&1 | FileCheck -DFILE=%t26 --check-prefix=INVALID-SEC-NUM2 %s
578 # INVALID-SEC-NUM2: error: '[[FILE]]': unable to continue dumping, the file is corrupt: invalid number of sections specified in the NULL section's sh_size field (288230376151711744)
589 Size: 288230376151711744
591 ## Check the case when SHOff is too large. SHOff + sizeof(Elf_Shdr) overflows the uint64 type.
593 # RUN: yaml2obj --docnum=27 %s -o %t27
594 # RUN: not llvm-readobj -h %t27 2>&1 | FileCheck -DFILE=%t27 --check-prefix=INVALID-SEC-NUM3 %s
596 # INVALID-SEC-NUM3: error: '[[FILE]]': unable to continue dumping, the file is corrupt: section header table goes past the end of the file: e_shoff = 0xffffffffffffffff
604 EShOff: 0xffffffffffffffff
606 ## Check that llvm-objdump reports an error when it tries to dump a
607 ## symbol name and .strtab is empty.
609 # RUN: yaml2obj %s --docnum=28 -o %t28
610 # RUN: not llvm-objdump --syms %t28 2>&1 | FileCheck -DFILE=%t28 --check-prefix=STRTAB-EMPTY2 %s
612 # STRTAB-EMPTY2: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
627 ## Check that we report a warning if SHT_GNU_versym has invalid
628 ## sh_entsize value (3 instead of 2) when trying to access the entries.
630 # RUN: yaml2obj %s --docnum=29 -o %t29
631 # RUN: llvm-readobj -V %t29 2>&1 | FileCheck -DFILE=%t29 --check-prefix=INVALID-VER-SHENTSIZE %s
633 # INVALID-VER-SHENTSIZE: warning: '[[FILE]]': cannot read content of SHT_GNU_versym section with index 1: section [index 1] has invalid sh_entsize: expected 2, but got 3
639 OSABI: ELFOSABI_FREEBSD
645 EntSize: 0x0000000000000003
647 ## Needed to trigger creation of .dynsym.
652 ## Check the case when e_shstrndx == SHN_XINDEX, but null section's sh_link contains
653 ## the index of a section header string table that is larger than the number of the sections.
655 # RUN: yaml2obj --docnum=30 %s -o %t30
656 # RUN: not llvm-objcopy %t30 2>&1 | FileCheck %s -DFILE=%t30 --check-prefix=INVALID-SHSTRTAB-INDEX
658 # INVALID-SHSTRTAB-INDEX: error: section header string table index 255 does not exist
666 ## SHN_XINDEX == 0xffff.
672 ## Check the case when the e_phoff field is invalid.
673 # RUN: yaml2obj --docnum=31 %s -o %t31
674 # RUN: llvm-objdump --private-headers %t31 2>&1 | FileCheck -DFILE=%t31 %s --check-prefix=INVALID-PHOFF
676 # INVALID-PHOFF: warning: '[[FILE]]': program headers are longer than binary of size 280: e_phoff = 0xffffff, e_phnum = 0, e_phentsize = 0
677 # INVALID-PHOFF-EMPTY: