1 ## Test how llvm-readobj/llvm-readelf tools handle invalid SHT_GNU_verdef sections.
3 ## Check that we report a warning when sh_link references a non-existent section.
5 # RUN: yaml2obj %s --docnum=1 -DLINK=0xFF -o %t1
6 # RUN: llvm-readobj -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-LLVM --implicit-check-not="warning:" -DFILE=%t1
7 # RUN: llvm-readelf -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-GNU --implicit-check-not="warning:" -DFILE=%t1
9 # INVALID-LINK-LLVM: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255
11 # INVALID-LINK-GNU: Version definition section '.gnu.version_d' contains 0 entries:
12 # INVALID-LINK-GNU: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255
13 # INVALID-LINK-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 255 (<corrupt>)
21 - Name: .gnu.version_d
26 ## Check that we report a warning when the sh_link field of a SHT_GNU_verdef section references a non-string table section.
28 # RUN: yaml2obj %s --docnum=1 -DLINK=0x0 -o %t2
29 # RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2
30 # RUN: llvm-readelf -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2
32 # INVALID-STRING-TABLE: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verdef section with index 1: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL
34 ## Check that we report a warning when we can't read the content of the SHT_GNU_verdef section.
36 # RUN: yaml2obj %s --docnum=2 -DSHOFFSET=0xFFFFFFFF -o %t3
37 # RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3
38 # RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3
40 # INVALID-DATA: warning: '[[FILE]]': cannot read content of SHT_GNU_verdef section with index 1: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that is greater than the file size (0x230)
48 - Name: .gnu.version_d
51 ShOffset: [[SHOFFSET=<none>]]
52 ShName: [[SHNAME=<none>]]
55 ShName: [[DYNSTRNAME=<none>]]
59 ## Check that llvm-readelf reports a warning when the name of the SHT_GNU_verdef section can't be read.
61 # RUN: yaml2obj %s --docnum=2 -DSHNAME=0xFF -o %t.invalid.name
62 # RUN: llvm-readobj -V %t.invalid.name 2>&1 | \
63 # RUN: FileCheck %s --check-prefix=INVALID-NAME-LLVM -DFILE=%t.invalid.name --implicit-check-not=warning:
64 # RUN: llvm-readelf -V %t.invalid.name 2>&1 | \
65 # RUN: FileCheck %s --check-prefix=INVALID-NAME-GNU -DFILE=%t.invalid.name --implicit-check-not=warning:
67 # INVALID-NAME-LLVM: VersionDefinitions [
68 # INVALID-NAME-LLVM-NEXT: ]
70 # INVALID-NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_GNU_verdef section with index 1: a section [index 1] has an invalid sh_name (0xff) offset which goes past the end of the section name string table
71 # INVALID-NAME-GNU-NEXT: Version definition section '<?>' contains 0 entries:
72 # INVALID-NAME-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.dynstr)
74 ## Check that llvm-readelf reports a warning when we are unable to read the name of
75 ## the section linked with the SHT_GNU_verdef section (usually ".dynstr").
77 # RUN: yaml2obj %s --docnum=2 -DDYNSTRNAME=0xFF -o %t.invalid.name2
78 # RUN: llvm-readobj -V %t.invalid.name2 2>&1 | \
79 # RUN: FileCheck %s --check-prefix=INVALID-NAME-LLVM -DFILE=%t.invalid.name2 --implicit-check-not=warning:
80 # RUN: llvm-readelf -V %t.invalid.name2 2>&1 | \
81 # RUN: FileCheck %s --check-prefix=INVALID-NAME2-GNU -DFILE=%t.invalid.name2 --implicit-check-not=warning:
83 # INVALID-NAME2-GNU: Version definition section '.gnu.version_d' contains 0 entries:
84 # INVALID-NAME2-GNU-NEXT: warning: '[[FILE]]': unable to get the name of SHT_STRTAB section with index 2: a section [index 2] has an invalid sh_name (0xff) offset which goes past the end of the section name string table
85 # INVALID-NAME2-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (<?>)
87 ## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
88 ## that goes past the end of the section.
90 # RUN: yaml2obj %s --docnum=3 -o %t4
91 # RUN: llvm-readobj -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4
92 # RUN: llvm-readelf -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4
94 # DEF-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 goes past the end of the section
102 - Name: .gnu.version_d
111 ## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
112 ## that refers to an auxiliary entry that goes past the end of the section.
114 # RUN: yaml2obj %s --docnum=4 -o %t5
115 # RUN: llvm-readobj -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5
116 # RUN: llvm-readelf -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5
118 # AUX-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 refers to an auxiliary entry that goes past the end of the section
126 - Name: .gnu.version_d
135 ## Check that we can dump a SHT_GNU_verdef section properly even if it contains version names strings
136 ## that overrun the linked string table.
138 # RUN: yaml2obj %s --docnum=5 -o %t6
139 # RUN: llvm-readobj -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-LLVM --implicit-check-not="warning:" -DFILE=%t6
140 # RUN: llvm-readelf -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-GNU --implicit-check-not="warning:" -DFILE=%t6
142 # PAST-STRTAB-END-LLVM: VersionDefinitions [
143 # PAST-STRTAB-END-LLVM-NEXT: Definition {
144 # PAST-STRTAB-END-LLVM-NEXT: Version: 1
145 # PAST-STRTAB-END-LLVM-NEXT: Flags [ (0x0)
146 # PAST-STRTAB-END-LLVM-NEXT: ]
147 # PAST-STRTAB-END-LLVM-NEXT: Index: 0
148 # PAST-STRTAB-END-LLVM-NEXT: Hash: 0
149 # PAST-STRTAB-END-LLVM-NEXT: Name: <invalid vda_name: 5>
150 # PAST-STRTAB-END-LLVM-NEXT: Predecessors: []
151 # PAST-STRTAB-END-LLVM-NEXT: }
152 # PAST-STRTAB-END-LLVM-NEXT: ]
154 # PAST-STRTAB-END-GNU: Version definition section '.gnu.version_d' contains 1 entries:
155 # PAST-STRTAB-END-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.strtab)
156 # PAST-STRTAB-END-GNU-NEXT: 0x0000: Rev: 1 Flags: none Index: 0 Cnt: 1 Name: <invalid vda_name: 5>
164 - Name: .gnu.version_d
175 ## Check we report a warning when a version definition is not correctly aligned in memory.
177 # RUN: yaml2obj %s --docnum=6 -o %t7
178 # RUN: llvm-readobj -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7
179 # RUN: llvm-readelf -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7
181 # MISALIGNED-DEF: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned version definition entry at offset 0x0
191 - Name: .gnu.version_d
201 ## Check we report a warning when an auxiliary entry is not correctly aligned in memory.
203 # RUN: yaml2obj %s --docnum=7 -o %t8
204 # RUN: llvm-readobj -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8
205 # RUN: llvm-readelf -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8
207 # MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned auxiliary entry at offset 0x13
215 - Name: .gnu.version_d
220 ## The byte offset to the auxiliary entry is 0x13, i.e. it is not correctly aligned in memory.
221 Content: "0100000000000100000000001300000000000000"
226 ## Check how we handle a version definition entry with an unsupported version.
228 # RUN: yaml2obj %s --docnum=8 -o %t9
229 # RUN: llvm-readobj -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9
230 # RUN: llvm-readelf -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9
232 # UNSUPPORTED-VERSION: warning: '[[FILE]]': unable to dump SHT_GNU_verdef section with index 1: version 65278 is not yet supported
240 - Name: .gnu.version_d
250 ## Check we report a warning when trying to print version symbols, but SHT_GNU_verdef
251 ## is invalid due to any reason.
253 # RUN: yaml2obj %s --docnum=9 -o %t10
254 # RUN: llvm-readobj -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-LLVM -DFILE=%t10
255 # RUN: llvm-readelf -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-GNU -DFILE=%t10
257 # INVALID-VERDEF-LLVM: VersionSymbols [
258 # INVALID-VERDEF-LLVM-NEXT: Symbol {
259 # INVALID-VERDEF-LLVM-NEXT: Version: 0
260 # INVALID-VERDEF-LLVM-NEXT: Name: {{$}}
261 # INVALID-VERDEF-LLVM-NEXT: }
262 # INVALID-VERDEF-LLVM-NEXT: Symbol {
263 # INVALID-VERDEF-LLVM-NEXT: Version: 2
264 # INVALID-VERDEF-LLVM-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section
265 # INVALID-VERDEF-LLVM-NEXT: Name: foo@<corrupt>
267 # INVALID-VERDEF-GNU: Version symbols section '.gnu.version' contains 2 entries:
268 # INVALID-VERDEF-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 3 (.dynsym)
269 # INVALID-VERDEF-GNU-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section
270 # INVALID-VERDEF-GNU-NEXT: 000: 0 (*local*) 2 (<corrupt>)
281 AddressAlign: 0x0000000000000002
282 EntSize: 0x0000000000000002
284 - Name: .gnu.version_d