1## Check that llvm-objdump reports an error when
2## .shstrtab has an invalid type.
3
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
6
7# INVALID-SHTYPE: error: '[[FILE]]': invalid sh_type for string table section [index 1]: expected SHT_STRTAB, but got SHT_PROGBITS
8
9--- !ELF
10FileHeader:
11  Class:   ELFCLASS64
12  Data:    ELFDATA2LSB
13  Type:    ET_DYN
14  Machine: EM_X86_64
15Sections:
16  - Name: .shstrtab
17    Type: SHT_PROGBITS
18
19## Check that llvm-objdump reports an error when
20## .shstrtab has an invalid zero-size.
21
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
24
25# STRTAB-EMPTY: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
26
27--- !ELF
28FileHeader:
29  Class:   ELFCLASS64
30  Data:    ELFDATA2LSB
31  Type:    ET_DYN
32  Machine: EM_X86_64
33Sections:
34  - Name: .shstrtab
35    Type: SHT_STRTAB
36    Size: 0
37
38## Check that llvm-objdump reports an error when .shstrtab has an invalid
39## size that goes past the end of the file.
40
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
43
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)
45
46## Check that llvm-dwarfdump reports an error during relocation resolution
47## when instead of expected SHT_RELA section it locates a section of a different type.
48
49# RUN: yaml2obj %s --docnum=3 -o %t3
50# RUN: not --crash llvm-dwarfdump -debug-line %t3 2>&1 | FileCheck --check-prefix=RELA %s
51
52# RELA: LLVM ERROR: Section is not SHT_RELA
53
54--- !ELF
55FileHeader:
56  Class:   ELFCLASS64
57  Data:    ELFDATA2LSB
58  Type:    ET_REL
59  Machine: EM_X86_64
60Sections:
61  - Name: .debug_line
62    Type: SHT_PROGBITS
63## The exact content does not matter here. We can use any minimal valid debug section
64## which is a target for relocation. The idea is to trigger the code that reads the
65## relocation's addend during relocation resolution. It should fail if called on
66## a non-SHT_RELA section.
67    Content: 380000000200210000000101FB0E0D00010101010000000100000100676C6F62616C2E63707000000000000009020000000000000000130237000101
68  - Name: .rela.debug_line
69    Type: SHT_REL
70    Info: .debug_line
71    Relocations:
72      - Offset: 0x000000000000002E
73        Type:   R_X86_64_64
74
75## Check that llvm-objdump reports an error when it tries to dump section names
76## and .shstrtab is not null-terminated.
77
78# RUN: yaml2obj %s --docnum=4 -o %t4
79# RUN: not llvm-objdump -s %t4 2>&1 | FileCheck -DFILE=%t4 --check-prefix=SHSTRTAB-NON-TERM %s
80
81# SHSTRTAB-NON-TERM: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is non-null terminated
82
83--- !ELF
84FileHeader:
85  Class:   ELFCLASS64
86  Data:    ELFDATA2LSB
87  Type:    ET_DYN
88  Machine: EM_X86_64
89Sections:
90  - Name: .shstrtab
91    Type: SHT_STRTAB
92    Content: "11"
93
94## Check that llvm-objdump reports an error when it tries to dump a symbol name and
95## .strtab is not null-terminated.
96
97# RUN: yaml2obj %s --docnum=5 -o %t5
98# RUN: not llvm-objdump --syms %t5 2>&1 | FileCheck --check-prefix=NONULL %s
99
100# NONULL: error: {{.*}}: SHT_STRTAB string table section [index 1] is non-null terminated
101
102--- !ELF
103FileHeader:
104  Class:   ELFCLASS64
105  Data:    ELFDATA2LSB
106  Type:    ET_DYN
107  Machine: EM_X86_64
108Sections:
109  - Name: .strtab
110    Type: SHT_STRTAB
111    Content: "11"
112Symbols:
113  - Name: foo
114
115## Check that llvm-readobj reports an error if .symtab has an invalid sh_entsize.
116
117# RUN: yaml2obj %s --docnum=6 -o %t6
118# RUN: not llvm-readobj --symbols %t6 2>&1 | FileCheck -DFILE=%t6 --check-prefix=INVALID-SYM-SIZE %s
119
120# INVALID-SYM-SIZE: error: '[[FILE]]': section [index 1] has an invalid sh_entsize: 32
121
122--- !ELF
123FileHeader:
124  Class:   ELFCLASS64
125  Data:    ELFDATA2LSB
126  Type:    ET_DYN
127  Machine: EM_X86_64
128Sections:
129  - Name: .symtab
130    Type: SHT_SYMTAB
131    EntSize: 32
132Symbols:
133  - Name: foo
134
135## Check that llvm-readobj reports a warning if .dynsym has an invalid sh_entsize.
136
137# RUN: yaml2obj %s --docnum=7 -o %t7
138# RUN: llvm-readobj --dyn-symbols %t7 2>&1 | FileCheck -DFILE=%t7 --check-prefix=INVALID-DYNSYM-SIZE %s
139
140# INVALID-DYNSYM-SIZE: warning: '[[FILE]]': section with index 1 has invalid size (0x30) or entry size (0x20)
141
142--- !ELF
143FileHeader:
144  Class:   ELFCLASS64
145  Data:    ELFDATA2LSB
146  Type:    ET_DYN
147  Machine: EM_X86_64
148Sections:
149  - Name: .dynsym
150    Type: SHT_DYNSYM
151    EntSize: 32
152DynamicSymbols:
153  - Name: foo
154
155## Check that llvm-readobj reports an error if .symtab has an invalid sh_link value,
156## which is greater than number of sections.
157
158# RUN: yaml2obj %s --docnum=8 -o %t8
159# RUN: not llvm-readobj --symbols %t8 2>&1 | FileCheck -DFILE=%t8 --check-prefix=INVALID-SYMTAB-LINK %s
160
161# INVALID-SYMTAB-LINK: error: '[[FILE]]': invalid section index: 255
162
163--- !ELF
164FileHeader:
165  Class:   ELFCLASS64
166  Data:    ELFDATA2LSB
167  Type:    ET_REL
168  Machine: EM_X86_64
169Sections:
170  - Name: .symtab
171    Type: SHT_SYMTAB
172    Link: 0xFF
173
174## Check that llvm-readobj reports an error when trying to dump sections
175## when the e_shentsize field is broken.
176
177# RUN: yaml2obj %s --docnum=9 -o %t9
178# RUN: not llvm-readobj -S %t9 2>&1 | FileCheck --check-prefix=INVALID-SH-ENTSIZE %s
179
180# INVALID-SH-ENTSIZE: error: {{.*}}: invalid  e_shentsize in ELF header: 1
181
182--- !ELF
183FileHeader:
184  Class:     ELFCLASS64
185  Data:      ELFDATA2LSB
186  Type:      ET_REL
187  Machine:   EM_X86_64
188  SHEntSize: 1
189
190## Check that llvm-readobj reports an error if .symtab has sh_size
191## that is not a multiple of sh_entsize.
192
193# RUN: yaml2obj %s --docnum=10 -o %t10
194# RUN: not llvm-readobj --symbols %t10 2>&1 | FileCheck -DFILE=%t10 --check-prefix=INVALID-SYMTAB-SIZE %s
195
196# INVALID-SYMTAB-SIZE: error: '[[FILE]]': section [index 1] has an invalid sh_size (1) which is not a multiple of its sh_entsize (24)
197
198--- !ELF
199FileHeader:
200  Class:   ELFCLASS64
201  Data:    ELFDATA2LSB
202  Type:    ET_DYN
203  Machine: EM_X86_64
204Sections:
205  - Name: .symtab
206    Type: SHT_SYMTAB
207    Size: 1
208
209## Test that llvm-readobj reports an error if SHT_SYMTAB_SHNDX section has
210## invalid sh_size which should be:
211## sizeof(.symtab_shndx) = (sizeof(.symtab) / entsize(.symtab)) * entsize(.symtab_shndx)
212
213# RUN: yaml2obj %s --docnum=11 -o %t11
214# RUN: not llvm-readobj --symbols %t11 2>&1 | FileCheck --check-prefix=INVALID-XINDEX-SIZE %s
215
216# INVALID-XINDEX-SIZE: error: {{.*}}: SHT_SYMTAB_SHNDX has 2 entries, but the symbol table associated has 1
217
218--- !ELF
219FileHeader:
220  Class:   ELFCLASS64
221  Data:    ELFDATA2LSB
222  Type:    ET_DYN
223  Machine: EM_X86_64
224Sections:
225  - Name: .symtab_shndx
226    Type: SHT_SYMTAB_SHNDX
227    Entries: [ 0, 1 ]
228    Link: .symtab
229Symbols: []
230
231## Check that llvm-readobj reports an error if the e_phentsize field is broken.
232
233# RUN: not llvm-readobj --program-headers %p/Inputs/invalid-e_shnum.elf 2>&1 | \
234# RUN:  FileCheck -DFILE=%p/Inputs/invalid-e_shnum.elf --check-prefix=INVALID-PH-ENTSIZE %s
235
236# INVALID-PH-ENTSIZE: error: '[[FILE]]': invalid e_phentsize: 12336
237
238## Check that llvm-readobj reports a warning when we have no SHT_SYMTAB_SHNDX section,
239## but have a symbol referencing it.
240
241# RUN: llvm-readobj --symbols %p/Inputs/invalid-ext-symtab-index.elf-x86-64 2>&1 | \
242# RUN:   FileCheck -DFILE=%p/Inputs/invalid-ext-symtab-index.elf-x86-64 --check-prefix=INVALID-EXT-SYMTAB-INDEX %s
243
244# INVALID-EXT-SYMTAB-INDEX: warning: '[[FILE]]': extended symbol index (0) is past the end of the SHT_SYMTAB_SHNDX section of size 0
245# INVALID-EXT-SYMTAB-INDEX: Section: Reserved (0xFFFF)
246
247## Check that llvm-readobj reports an error if a relocation section
248## has a broken sh_offset (past the end of the file).
249
250# RUN: yaml2obj %s --docnum=12 -o %t12
251# RUN: yaml2obj %s --docnum=13 -o %t13
252# RUN: not llvm-readobj -r %t12 2>&1 | FileCheck -DFILE=%t12 --check-prefix=INVALID-RELOC-SH-OFFSET %s
253# RUN: not llvm-readobj -r %t13 2>&1 | FileCheck -DFILE=%t13 --check-prefix=INVALID-RELOC-SH-OFFSET %s
254
255# INVALID-RELOC-SH-OFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0x10000) + sh_size (0x0) that is greater than the file size (0x160)
256
257--- !ELF
258FileHeader:
259  Class:   ELFCLASS64
260  Data:    ELFDATA2LSB
261  Type:    ET_REL
262  Machine: EM_386
263Sections:
264  - Name:     .rel
265    Type:     SHT_REL
266    ShOffset: 0x10000
267
268--- !ELF
269FileHeader:
270  Class:   ELFCLASS64
271  Data:    ELFDATA2LSB
272  Type:    ET_REL
273  Machine: EM_X86_64
274Sections:
275  - Name:     .rela
276    Type:     SHT_RELA
277    ShOffset: 0x10000
278
279## Check that llvm-objdump reports an error when we try to print symbols and
280## .shstrtab has a broken sh_offset so large that sh_offset + sh_size overflows the platform address size type.
281
282# RUN: yaml2obj %s --docnum=14 -o %t14
283# RUN: not llvm-readobj --symbols %t14 2>&1 | FileCheck -DFILE=%t14 --check-prefix=INVALID-SECTION-SIZE2 %s
284
285# INVALID-SECTION-SIZE2: error: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1b) that cannot be represented
286
287--- !ELF
288FileHeader:
289  Class:   ELFCLASS32
290  Data:    ELFDATA2LSB
291  Type:    ET_REL
292  Machine: EM_386
293Sections:
294  - Name:     .shstrtab
295    Type:     SHT_STRTAB
296    ShOffset: 0xFFFFFFFF
297Symbols: []
298
299## Check that llvm-readobj reports an error when trying to dump sections
300## when the e_shnum field is broken (is greater than the actual number of sections).
301
302# RUN: yaml2obj %s --docnum=15 -o %t15
303# RUN: not llvm-readobj -S %t15 2>&1 | FileCheck --check-prefix=INVALID-SECTION-NUM %s
304
305# INVALID-SECTION-NUM: error: {{.*}}: section table goes past the end of file
306
307--- !ELF
308FileHeader:
309  Class:   ELFCLASS64
310  Data:    ELFDATA2LSB
311  Type:    ET_REL
312  Machine: EM_X86_64
313  SHNum:   0xFF
314
315## Check llvm-readobj does not crash on a truncated ELF.
316
317## Create a truncated ELF object with ELFCLASSNONE class using echo.
318## 0x7f, 'E', 'L', 'F', ELFCLASS64(2), ELFDATA2LSB(1),
319## EV_CURRENT(1), ELFOSABI_LINUX(3), <padding zero bytes>, ET_REL(1), EM_NONE(0)
320# RUN: echo -e -n "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00" > %t11
321# RUN: not llvm-readobj -r %t11 2>&1 | FileCheck --check-prefix=INVALID-BUFFER %s
322
323# INVALID-BUFFER: error: {{.*}}': invalid buffer: the size (18) is smaller than an ELF header (64)
324
325# RUN: not llvm-readobj %p/Inputs/invalid-coff-header-too-small 2>&1 | FileCheck --check-prefix=COFF-HEADER %s
326# COFF-HEADER: The file was not recognized as a valid object file
327
328## Check that llvm-readobj reports an error if section name offset
329## overflows the section name string table.
330
331# RUN: yaml2obj %s --docnum=16 -o %t16
332# RUN: llvm-readobj --sections %t16 2>&1 | FileCheck -DFILE=%t16 --check-prefix=BROKEN-SECNAME %s
333
334## BROKEN-SECNAME: warning: '[[FILE]]': a section [index 2] has an invalid sh_name (0xb) offset which goes past the end of the section name string table
335
336--- !ELF
337FileHeader:
338  Class:   ELFCLASS64
339  Data:    ELFDATA2LSB
340  Type:    ET_REL
341  Machine: EM_X86_64
342Sections:
343  - Name: .shstrtab
344    Type: SHT_STRTAB
345    Size: 1
346
347## Check that llvm-readobj reports an error if a section has a broken offset
348## that goes past the end of the file.
349
350# RUN: yaml2obj %s --docnum=17 -o %t17
351# RUN: not llvm-readobj --sections --section-data %t17 2>&1 \
352# RUN:  | FileCheck -DFILE=%t17 --check-prefix=BROKEN-SECSHOFFSET %s
353
354# BROKEN-SECSHOFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0xffff0000) + sh_size (0x0) that is greater than the file size (0x160)
355
356--- !ELF
357FileHeader:
358  Class:   ELFCLASS64
359  Data:    ELFDATA2LSB
360  Type:    ET_REL
361  Machine: EM_X86_64
362Sections:
363  - Name:     .foo
364    Type:     SHT_PROGBITS
365    ShOffset: 0xFFFF0000
366
367## Check that llvm-readobj reports an error if symbol name
368## offset goes past the end of the symbol string table.
369
370# RUN: yaml2obj %s --docnum=18 -o %t18
371# RUN: not llvm-readobj --symbols %t18 2>&1 | FileCheck -DFILE=%t18 --check-prefix=INVALID-SYM-NAME %s
372
373# INVALID-SYM-NAME: error: '[[FILE]]': st_name (0x1) is past the end of the string table of size 0x1
374
375--- !ELF
376FileHeader:
377  Class:   ELFCLASS64
378  Data:    ELFDATA2LSB
379  Type:    ET_REL
380  Machine: EM_X86_64
381Sections:
382  - Name: .strtab
383    Type: SHT_STRTAB
384    Size: 1
385Symbols:
386  - Name: foo
387
388## Version index in .gnu.version overflows the version map.
389## Check llvm-readobj reports it.
390
391# RUN: yaml2obj %s --docnum=19 -o %t19
392# RUN: llvm-readobj -dt %t19 2>&1 | FileCheck -DFILE=%t19 --check-prefix=INVALID-VERSION %s
393
394# INVALID-VERSION: warning: '[[FILE]]': SHT_GNU_versym section refers to a version index 255 which is missing
395
396--- !ELF
397FileHeader:
398  Class:   ELFCLASS64
399  Data:    ELFDATA2LSB
400  Type:    ET_DYN
401  Machine: EM_X86_64
402Sections:
403  - Name:    .gnu.version
404    Type:    SHT_GNU_versym
405    Entries: [ 0xFF ]
406DynamicSymbols:
407  - Name: foo
408
409## ELF header contains e_phentsize field with a value != sizeof(Elf_Phdr).
410## Check llvm-readobj reports it.
411
412# RUN: not llvm-readobj -l %p/Inputs/corrupt-invalid-phentsize.elf.x86-64 2>&1 \
413# RUN:   | FileCheck -DFILE=%p/Inputs/corrupt-invalid-phentsize.elf.x86-64 --check-prefix=PHENTSIZE %s
414
415# PHENTSIZE: error: '[[FILE]]': invalid e_phentsize: 57
416
417## The dynamic table contains DT_STRTAB with a value that is not in any loadable segment.
418## Check llvm-readobj reports it.
419
420# RUN: yaml2obj %s --docnum=20 -o %t20
421# RUN: llvm-readobj --dynamic-table %t20 2>&1 | FileCheck -DFILE=%t20 --check-prefix=INVALID-DTSTRTAB %s
422
423# INVALID-DTSTRTAB: warning: '[[FILE]]': Unable to parse DT_STRTAB: virtual address is not in any segment: 0xffff0000
424
425--- !ELF
426FileHeader:
427  Class:   ELFCLASS64
428  Data:    ELFDATA2LSB
429  Type:    ET_EXEC
430  Machine: EM_X86_64
431Sections:
432  - Name:    .dynamic
433    Type:    SHT_DYNAMIC
434    Address: 0x1000
435    Entries:
436      - Tag:   DT_STRTAB
437        Value: 0xFFFF0000
438      - Tag:   DT_NULL
439        Value: 0x0
440ProgramHeaders:
441  - Type: PT_LOAD
442    VAddr: 0x1000
443    Sections:
444      - Section: .dynamic
445
446## Check that llvm-readobj reports a warning when a dynamic relocation section
447## has sh_entsize field with size != sizeof(Elf_Rela).
448
449# RUN: llvm-readobj --dyn-relocations \
450# RUN:   %p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 2>&1 \
451# RUN:    | FileCheck -DFILE=%p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 --check-prefix=RELOC-BROKEN-ENTSIZE %s
452
453# RELOC-BROKEN-ENTSIZE: warning: '[[FILE]]': invalid DT_RELASZ value (0x18) or DT_RELAENT value (0x19)
454
455## Check that llvm-readobj reports a warning when .dynamic section has an invalid
456## size, which isn't a multiple of the dynamic entry size.
457
458# RUN: yaml2obj %s --docnum=21 -o %t21
459# RUN: llvm-readobj --dyn-relocations %t21 2>&1 | FileCheck -DFILE=%t21 --check-prefix=DYN-TABLE-SIZE %s
460
461# DYN-TABLE-SIZE: warning: '[[FILE]]': section with index 1 has invalid size (0x1){{$}}
462
463--- !ELF
464FileHeader:
465  Class:   ELFCLASS64
466  Data:    ELFDATA2LSB
467  Type:    ET_EXEC
468  Machine: EM_X86_64
469Sections:
470  - Name:    .dynamic
471    Type:    SHT_DYNAMIC
472    Content: "00"
473
474## PT_DYNAMIC's p_offset field is so large that p_offset + p_filesz is larger
475## than the object size. Check llvm-readobj reports it.
476
477# RUN: yaml2obj %s --docnum=22 -o %t22
478# RUN: llvm-readobj --dyn-relocations %t22 2>&1 | FileCheck -DFILE=%t22 --check-prefix=DYN-TABLE-PHDR %s
479
480# DYN-TABLE-PHDR: warning: '[[FILE]]': PT_DYNAMIC segment offset + size exceeds the size of the file
481
482--- !ELF
483FileHeader:
484  Class:   ELFCLASS64
485  Data:    ELFDATA2LSB
486  Type:    ET_EXEC
487  Machine: EM_X86_64
488Sections:
489  - Name: .dynamic
490    Type: SHT_DYNAMIC
491    Entries:
492      - Tag:   DT_NULL
493        Value: 0
494ProgramHeaders:
495  - Type:   PT_DYNAMIC
496    Offset: 0xffff0000
497    Sections:
498      - Section: .dynamic
499
500## PT_DYNAMIC's p_filesz field is so large that p_offset + p_filesz is larger
501## than the object size. Check llvm-readobj reports it.
502
503# RUN: yaml2obj %s --docnum=23 -o %t23
504# RUN: llvm-readobj --dyn-relocations %t23 2>&1 \
505# RUN:  | FileCheck -DFILE=%t23 --check-prefix=DYN-TABLE-PHDR %s
506
507--- !ELF
508FileHeader:
509  Class:   ELFCLASS64
510  Data:    ELFDATA2LSB
511  Type:    ET_EXEC
512  Machine: EM_X86_64
513Sections:
514  - Name: .dynamic
515    Type: SHT_DYNAMIC
516    Entries:
517      - Tag:   DT_NULL
518        Value: 0
519ProgramHeaders:
520  - Type:     PT_DYNAMIC
521    FileSize: 0xffff0000
522    Sections:
523      - Section: .dynamic
524
525# RUN: yaml2obj --docnum=24 %s -o %t24
526# RUN: not obj2yaml 2>&1 %t24 | FileCheck %s -DFILE=%t24 --check-prefix=INVALID-SHSTRNDX
527
528# INVALID-SHSTRNDX: Error reading file: [[FILE]]: section header string table index 255 does not exist
529
530--- !ELF
531FileHeader:
532  Class:    ELFCLASS64
533  Data:     ELFDATA2LSB
534  Type:     ET_REL
535  Machine:  EM_X86_64
536  SHStrNdx: 0xFF
537Sections:
538  - Name: .foo
539    Type: SHT_PROGBITS
540
541## We report an error if the number of sections stored in sh_size
542## is greater than UINT64_MAX / sizeof(Elf_Shdr) == 288230376151711743.
543## Here we check that do not crash on a border value.
544
545# RUN: yaml2obj --docnum=25 %s -o %t25
546# RUN: not llvm-readobj -h %t25 2>&1 | FileCheck -DFILE=%t25 --check-prefix=INVALID-SEC-NUM1 %s
547
548# INVALID-SEC-NUM1: error: '[[FILE]]': invalid section header table offset (e_shoff = 0x58) or invalid number of sections specified in the first section header's sh_size field (0x3ffffffffffffff)
549
550--- !ELF
551FileHeader:
552  Class:   ELFCLASS64
553  Data:    ELFDATA2LSB
554  Type:    ET_REL
555  Machine: EM_X86_64
556  SHNum:   0x0
557Sections:
558  - Type: SHT_NULL
559    Size: 288230376151711743
560
561## See above, but now we test the UINT64_MAX / sizeof(Elf_Shdr) value.
562## The error is slightly different in this case.
563
564# RUN: yaml2obj --docnum=26 %s -o %t26
565# RUN: not llvm-readobj -h %t26 2>&1 | FileCheck -DFILE=%t26 --check-prefix=INVALID-SEC-NUM2 %s
566
567# INVALID-SEC-NUM2: error: '[[FILE]]': invalid number of sections specified in the NULL section's sh_size field (288230376151711744)
568
569--- !ELF
570FileHeader:
571  Class:   ELFCLASS64
572  Data:    ELFDATA2LSB
573  Type:    ET_REL
574  Machine: EM_X86_64
575  SHNum:   0x0
576Sections:
577  - Type: SHT_NULL
578    Size: 288230376151711744
579
580## Check the case when SHOff is too large. SHOff + sizeof(Elf_Shdr) overflows the uint64 type.
581
582# RUN: yaml2obj --docnum=27 %s -o %t27
583# RUN: not llvm-readobj -h %t27 2>&1 | FileCheck -DFILE=%t27 --check-prefix=INVALID-SEC-NUM3 %s
584
585# INVALID-SEC-NUM3: error: '[[FILE]]': section header table goes past the end of the file: e_shoff = 0xffffffffffffffff
586
587--- !ELF
588FileHeader:
589  Class:    ELFCLASS64
590  Data:     ELFDATA2LSB
591  Type:     ET_REL
592  Machine:  EM_X86_64
593  SHOff:    0xffffffffffffffff
594
595## Check that llvm-objdump reports an error when it tries to dump a
596## symbol name and .strtab is empty.
597
598# RUN: yaml2obj %s --docnum=28 -o %t28
599# RUN: not llvm-objdump --syms %t28 2>&1 | FileCheck -DFILE=%t28 --check-prefix=STRTAB-EMPTY2 %s
600
601# STRTAB-EMPTY2: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
602
603--- !ELF
604FileHeader:
605  Class:   ELFCLASS64
606  Data:    ELFDATA2LSB
607  Type:    ET_DYN
608  Machine: EM_X86_64
609Sections:
610  - Name: .strtab
611    Type: SHT_STRTAB
612    Content: ""
613Symbols:
614  - Name: foo
615
616## Check that we report a warning if SHT_GNU_versym has invalid
617## sh_entsize value (3 instead of 2) when trying to access the entries.
618
619# RUN: yaml2obj %s --docnum=29 -o %t29
620# RUN: llvm-readobj -V %t29 2>&1 | FileCheck -DFILE=%t29 --check-prefix=INVALID-VER-SHENTSIZE %s
621
622# INVALID-VER-SHENTSIZE: warning: '[[FILE]]': cannot read content of SHT_GNU_versym section with index 1: section [index 1] has an invalid sh_entsize: 3
623
624--- !ELF
625FileHeader:
626  Class:   ELFCLASS64
627  Data:    ELFDATA2LSB
628  OSABI:   ELFOSABI_FREEBSD
629  Type:    ET_DYN
630  Machine: EM_X86_64
631Sections:
632  - Name:    .gnu.version
633    Type:    SHT_GNU_versym
634    EntSize: 0x0000000000000003
635    Entries: [ ]
636    Link:    .dynsym
637## Needed to trigger creation of .dynsym.
638DynamicSymbols:
639  - Name:    foo
640    Binding: STB_GLOBAL
641
642## Check the case when e_shstrndx == SHN_XINDEX, but null section's sh_link contains
643## the index of a section header string table that is larger than the number of the sections.
644
645# RUN: yaml2obj --docnum=30 %s -o %t30
646# RUN: not llvm-objcopy %t30 2>&1 | FileCheck %s -DFILE=%t30 --check-prefix=INVALID-SHSTRTAB-INDEX
647
648# INVALID-SHSTRTAB-INDEX: error: section header string table index 255 does not exist
649
650--- !ELF
651FileHeader:
652  Class:    ELFCLASS64
653  Data:     ELFDATA2LSB
654  Type:     ET_REL
655  Machine:  EM_X86_64
656## SHN_XINDEX == 0xffff.
657  SHStrNdx: 0xffff
658Sections:
659  - Type: SHT_NULL
660    Link: 0xff
661