blob: 60cd5f3483d3702a7e5032dfbb27435707e4db66 [file] [log] [blame]
Jake Ehrlich36a2eb32017-10-10 18:47:09 +00001# This test is checking to ensure that if a section is removed in the presence
2# of a segment that the segment maintains its shape and properties and that any
3# section inside that segment maintains the relative positioning it had in the
4# segment. Note worthy is that .text3 keeps its offset despite it being
5# possible to place it after .text when .text2 is removed.
6
7# RUN: yaml2obj %s -o %t
8# RUN: llvm-objcopy -R .text2 %t %t2
Jordan Rupprecht298ea3f2019-01-11 18:06:31 +00009# RUN: llvm-readobj --file-headers --program-headers --sections %t2 | FileCheck %s
Hubert Tong1f6ddfb2019-06-19 16:04:24 +000010# RUN: od -t x1 -j 8192 -N 4 %t2 | FileCheck %s --check-prefix=DATA
Jake Ehrlich36a2eb32017-10-10 18:47:09 +000011
12!ELF
13FileHeader:
14 Class: ELFCLASS64
15 Data: ELFDATA2LSB
16 Type: ET_EXEC
17 Machine: EM_X86_64
18Sections:
19 - Name: .text
20 Type: SHT_PROGBITS
21 Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
22 Address: 0x1000
23 AddressAlign: 0x1000
24 Size: 4096
25 - Name: .text2
26 Type: SHT_PROGBITS
27 Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
28 Address: 0x2000
29 AddressAlign: 0x1000
30 Size: 4096
31 Content: "DEADBEEF"
32 - Name: .text3
33 Type: SHT_PROGBITS
34 Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
35 Address: 0x3000
36 AddressAlign: 0x1000
37 Size: 4096
38ProgramHeaders:
39 - Type: PT_LOAD
40 Flags: [ PF_X, PF_R ]
41 Sections:
42 - Section: .text
43 - Section: .text2
44 - Section: .text3
45
46# Make sure that when we remove a section we overwrite it with zeros
Hubert Tong1f6ddfb2019-06-19 16:04:24 +000047# DATA: {{^[^[:blank:]]+}} 00 00 00 00
Jake Ehrlich36a2eb32017-10-10 18:47:09 +000048
Eugene Leviantc7e6d142019-07-23 08:03:30 +000049#CHECK: SectionHeaderCount: 4
Jake Ehrlich36a2eb32017-10-10 18:47:09 +000050
51# CHECK: Sections [
52# CHECK: Section {
53# CHECK-NEXT: Index: 0
54# CHECK-NEXT: Name: (0)
55# CHECK-NEXT: Type: SHT_NULL (0x0)
56# CHECK-NEXT: Flags [ (0x0)
57# CHECK-NEXT: ]
58# CHECK-NEXT: Address: 0x0
59# CHECK-NEXT: Offset:
60# CHECK-NEXT: Size:
61# CHECK-NEXT: Link: 0
62# CHECK-NEXT: Info: 0
63# CHECK-NEXT: AddressAlignment: 0
64# CHECK-NEXT: EntrySize: 0
65# CHECK-NEXT: }
66# CHECK-NEXT: Section {
67# CHECK-NEXT: Index: 1
68# CHECK-NEXT: Name: .text
69# CHECK-NEXT: Type: SHT_PROGBITS
70# CHECK-NEXT: Flags [
71# CHECK-NEXT: SHF_ALLOC
72# CHECK-NEXT: SHF_EXECINSTR
73# CHECK-NEXT: ]
74# CHECK-NEXT: Address: 0x1000
75# CHECK-NEXT: Offset: 0x1000
76# CHECK-NEXT: Size:
77# CHECK-NEXT: Link: 0
78# CHECK-NEXT: Info: 0
79# CHECK-NEXT: AddressAlignment: 4096
80# CHECK-NEXT: EntrySize: 0
81# CHECK-NEXT: }
82# CHECK-NEXT: Section {
83# CHECK-NEXT: Index: 2
84# CHECK-NEXT: Name: .text3
85# CHECK-NEXT: Type: SHT_PROGBITS (0x1)
86# CHECK-NEXT: Flags [
87# CHECK-NEXT: SHF_ALLOC
88# CHECK-NEXT: SHF_EXECINSTR
89# CHECK-NEXT: ]
90# CHECK-NEXT: Address: 0x3000
91# CHECK-NEXT: Offset: 0x3000
92# CHECK-NEXT: Size:
93# CHECK-NEXT: Link: 0
94# CHECK-NEXT: Info: 0
95# CHECK-NEXT: AddressAlignment: 4096
96# CHECK-NEXT: EntrySize: 0
97# CHECK-NEXT: }
98# CHECK-NEXT: Section {
99# CHECK-NEXT: Index: 3
Jake Ehrlich36a2eb32017-10-10 18:47:09 +0000100# CHECK-NEXT: Name: .shstrtab
101# CHECK-NEXT: Type: SHT_STRTAB (0x3)
102# CHECK-NEXT: Flags [ (0x0)
103# CHECK-NEXT: ]
104# CHECK-NEXT: Address: 0x0
105# CHECK-NEXT: Offset:
106# CHECK-NEXT: Size:
107# CHECK-NEXT: Link: 0
108# CHECK-NEXT: Info: 0
109# CHECK-NEXT: AddressAlignment: 1
110# CHECK-NEXT: EntrySize: 0
111# CHECK-NEXT: }
112# CHECK-NEXT: ]
113
114#CHECK: ProgramHeaders [
115#CHECK-NEXT: ProgramHeader {
116#CHECK-NEXT: Type: PT_LOAD (0x1)
117#CHECK-NEXT: Offset: 0x1000
118#CHECK-NEXT: VirtualAddress: 0x0
119#CHECK-NEXT: PhysicalAddress: 0x0
120#CHECK-NEXT: FileSize: 12288
121#CHECK-NEXT: MemSize: 12288
122#CHECK-NEXT: Flags [ (0x5)
123#CHECK-NEXT: PF_R (0x4)
124#CHECK-NEXT: PF_X (0x1)
125#CHECK-NEXT: ]
126#CHECK-NEXT: Alignment: 4096
127#CHECK-NEXT: }
128#CHECK-NEXT:]