1 ## Check how we produce implicit SHT_STRTAB sections.
3 ## For implicit string table sections, the `Flags` field can also
4 ## be specified in YAML. Here we test the behavior in different cases.
6 ## When flags are not explicitly specified, yaml2obj assigns no flags
7 ## for .strtab/.shstrtab and the SHF_ALLOC flag for .dynstr by default.
9 # RUN: yaml2obj --docnum=1 %s -o %t1
10 # RUN: llvm-readelf %t1 --sections | FileCheck %s --check-prefix=CASE1
12 # CASE1: [Nr] Name Type {{.*}} Flg Lk
13 # CASE1: [ 1] .strtab STRTAB {{.*}} 0
14 # CASE1-NEXT: [ 2] .shstrtab STRTAB {{.*}} 0
15 # CASE1-NEXT: [ 3] .dynstr STRTAB {{.*}} A 0
25 Flags: [[STRTABFLAGS=<none>]]
26 Offset: [[STRTABOFFSET=<none>]]
29 Flags: [[SHSTRTABFLAGS=<none>]]
30 Offset: [[SHSTRTABOFFSET=<none>]]
33 Flags: [[DYNSTRFLAGS=<none>]]
34 Offset: [[DYNSTROFFSET=<none>]]
36 ## Check we can set arbitrary flags and offsets for
37 ## implicit string table sections.
39 # RUN: yaml2obj --docnum=1 \
40 # RUN: -DSTRTABFLAGS="[ SHF_ALLOC, SHF_STRINGS ]" -DSTRTABOFFSET=0x100 \
41 # RUN: -DSHSTRTABFLAGS="[ SHF_ALLOC, SHF_WRITE ]" -DSHSTRTABOFFSET=0x200 \
42 # RUN: -DDYNSTRFLAGS="[ SHF_STRINGS ]" -DDYNSTROFFSET=0x300 %s -o %t2
43 # RUN: llvm-readelf %t2 --sections | FileCheck %s --check-prefix=CASE2
45 # CASE2: [Nr] Name Type Address Off {{.*}} Flg Lk
46 # CASE2: [ 1] .strtab STRTAB 0000000000000000 000100 {{.*}} AS 0
47 # CASE2-NEXT: [ 2] .shstrtab STRTAB 0000000000000001 000200 {{.*}} WA 0
48 # CASE2-NEXT: [ 3] .dynstr STRTAB 0000000000000000 000300 {{.*}} S 0
50 ## Check no flags are set by default for implicit string table sections
51 ## when they are not described in the YAML.
53 # RUN: yaml2obj --docnum=2 %s -o %t3
54 # RUN: llvm-readelf %t3 --sections | FileCheck %s --check-prefix=CASE3
56 # CASE3: [Nr] Name Type {{.*}} ES Flg Lk
57 # CASE3: [ 1] .strtab STRTAB {{.*}} 00 0
58 # CASE3-NEXT: [ 2] .shstrtab STRTAB {{.*}} 00 0
66 ## For implicit string table sections, `Size` and/or `Content` fields can also
67 ## be specified in YAML. Here we test the behavior in different cases.
69 ## When no `Size` or `Content` is specified for a string table section,
70 ## yaml2obj writes the default content.
72 # RUN: yaml2obj --docnum=3 %s -o %t4
73 # RUN: llvm-objdump %t4 -s | FileCheck %s --check-prefix=CASE4
75 # CASE4: Contents of section .strtab:
76 # CASE4-NEXT: 0000 00666f6f 00 .foo.
77 # CASE4-NEXT: Contents of section .shstrtab:
78 # CASE4-NEXT: 0000 002e6479 6e737472 002e6479 6e73796d ..dynstr..dynsym
79 # CASE4-NEXT: 0010 002e7368 73747274 6162002e 73747274 ..shstrtab..strt
80 # CASE4-NEXT: 0020 6162002e 73796d74 616200 ab..symtab.
81 # CASE4-NEXT: Contents of section .dynstr:
82 # CASE4-NEXT: 0030 00626172 00 .bar.
92 Size: [[STRTABSIZE=<none>]]
93 Content: [[STRTABCONTENT=<none>]]
96 Size: [[SHSTRTABSIZE=<none>]]
97 Content: [[SHSTRTABCONTENT=<none>]]
100 Size: [[DYNSTRSIZE=<none>]]
101 Content: [[DYNSTRCONTENT=<none>]]
102 ## Used to trigger adding string `foo` to the string table section.
108 ## For string table sections, `Size` can be used to override the
109 ## implicit string table data. The content is filled with zeroes in this case.
111 # RUN: yaml2obj --docnum=3 -DSTRTABSIZE=2 -DSHSTRTABSIZE=0x30 -DDYNSTRSIZE=4 %s -o %t5
112 # RUN: llvm-readobj --section-data -S %t5 | FileCheck %s --check-prefix=CASE5
115 # CASE5-NEXT: Name: (27)
116 # CASE5-NEXT: Type: SHT_STRTAB
117 # CASE5: SectionData (
118 # CASE5-NEXT: 0000: 0000 |
121 # CASE5-NEXT: Name: (17)
122 # CASE5-NEXT: Type: SHT_STRTAB (0x3)
123 # CASE5: SectionData (
124 # CASE5-NEXT: 0000: 00000000 00000000 00000000 00000000 |
125 # CASE5-NEXT: 0010: 00000000 00000000 00000000 00000000 |
126 # CASE5-NEXT: 0020: 00000000 00000000 00000000 00000000 |
129 # CASE5-NEXT: Name: (1)
130 # CASE5-NEXT: Type: SHT_STRTAB (0x3)
131 # CASE5: SectionData (
132 # CASE5-NEXT: 0000: 00000000 |
135 ## For string table sections, `Content` can be used to override the
136 ## implicit string table data.
138 # RUN: yaml2obj --docnum=3 %s \
139 # RUN: -DSTRTABCONTENT="01020304" \
140 # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" \
141 # RUN: -DDYNSTRCONTENT="eeddaabb" -o %t6
142 # RUN: llvm-readobj --section-data -S %t6 | FileCheck %s --check-prefix=CASE6
145 # CASE6-NEXT: Name: bcdefggi (27)
146 # CASE6: SectionData (
147 # CASE6-NEXT: 0000: 01020304 |
150 # CASE6-NEXT: Name: rstuvwxyzabcdefggi (17)
151 # CASE6: SectionData (
152 # CASE6-NEXT: 0000: 61626364 65666767 696A6B6C 6D6E6F70 |
153 # CASE6-NEXT: 0010: 71727374 75767778 797A6162 63646566 |
154 # CASE6-NEXT: 0020: 67676900 |
157 # CASE6-NEXT: Name: bcdefggijklmnopqrstuvwxyzabcdefggi (1)
158 # CASE6: SectionData (
159 # CASE6-NEXT: 0000: EEDDAABB |
162 ## For string table sections, check we can specify both `Size` and `Content`
163 ## when size is greater than content size. In this case zeroes are
164 ## added as padding after the specified content.
166 # RUN: yaml2obj --docnum=3 %s \
167 # RUN: -DSTRTABCONTENT="01020304" -DSTRTABSIZE=5 \
168 # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x26 \
169 # RUN: -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=7 -o %t7
170 # RUN: llvm-readobj --section-data -S %t7 | FileCheck %s --check-prefix=CASE7
173 # CASE7-NEXT: Name: bcdefggi (27)
174 # CASE7: SectionData (
175 # CASE7-NEXT: 0000: 01020304 00 |
178 # CASE7-NEXT: Name: rstuvwxyzabcdefggi (17)
179 # CASE7: SectionData (
180 # CASE7-NEXT: 0000: 61626364 65666767 696A6B6C 6D6E6F70 |
181 # CASE7-NEXT: 0010: 71727374 75767778 797A6162 63646566 |
182 # CASE7-NEXT: 0020: 67676900 0000 |
185 # CASE7-NEXT: Name: bcdefggijklmnopqrstuvwxyzabcdefggi (1)
186 # CASE7: SectionData (
187 # CASE7-NEXT: 0000: EEDDAABB 000000 |
190 ## For string table sections, check we can specify both `Size` and `Content`
191 ## when size is equal to content size.
193 # RUN: yaml2obj --docnum=3 %s \
194 # RUN: -DSTRTABCONTENT="01020304" -DSTRTABSIZE=4 \
195 # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x24 \
196 # RUN: -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=4 -o %t8
197 # RUN: llvm-readobj --section-data -S %t8 | FileCheck %s --check-prefix=CASE6
199 ## Check that we report an error when the the value of "Size" is less than the content size.
201 # RUN: not yaml2obj --docnum=3 %s -DSTRTABCONTENT="01020304" -DSTRTABSIZE=3 2>&1 \
202 # RUN: | FileCheck %s --check-prefix=CASE8
203 # RUN: not yaml2obj --docnum=3 %s \
204 # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x23 2>&1 \
205 # RUN: | FileCheck %s --check-prefix=CASE8
206 # RUN: not yaml2obj --docnum=3 %s -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=0x3 2>&1 \
207 # RUN: | FileCheck %s --check-prefix=CASE8
209 # CASE8: Section size must be greater than or equal to the content size