| ## Check how we produce implicit SHT_STRTAB sections. |
| |
| ## For implicit string table sections, the `Flags` field can also |
| ## be specified in YAML. Here we test the behavior in different cases. |
| |
| ## When flags are not explicitly specified, yaml2obj assigns no flags |
| ## for .strtab/.shstrtab and the SHF_ALLOC flag for .dynstr by default. |
| |
| # RUN: yaml2obj --docnum=1 %s -o %t1 |
| # RUN: llvm-readelf %t1 --sections | FileCheck %s --check-prefix=CASE1 |
| |
| # CASE1: [Nr] Name Type {{.*}} Flg Lk |
| # CASE1: [ 1] .strtab STRTAB {{.*}} 0 |
| # CASE1-NEXT: [ 2] .shstrtab STRTAB {{.*}} 0 |
| # CASE1-NEXT: [ 3] .dynstr STRTAB {{.*}} A 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .strtab |
| Type: SHT_STRTAB |
| Flags: [[STRTABFLAGS=<none>]] |
| Offset: [[STRTABOFFSET=<none>]] |
| - Name: .shstrtab |
| Type: SHT_STRTAB |
| Flags: [[SHSTRTABFLAGS=<none>]] |
| Offset: [[SHSTRTABOFFSET=<none>]] |
| - Name: .dynstr |
| Type: SHT_STRTAB |
| Flags: [[DYNSTRFLAGS=<none>]] |
| Offset: [[DYNSTROFFSET=<none>]] |
| |
| ## Check we can set arbitrary flags and offsets for |
| ## implicit string table sections. |
| |
| # RUN: yaml2obj --docnum=1 \ |
| # RUN: -DSTRTABFLAGS="[ SHF_ALLOC, SHF_STRINGS ]" -DSTRTABOFFSET=0x100 \ |
| # RUN: -DSHSTRTABFLAGS="[ SHF_ALLOC, SHF_WRITE ]" -DSHSTRTABOFFSET=0x200 \ |
| # RUN: -DDYNSTRFLAGS="[ SHF_STRINGS ]" -DDYNSTROFFSET=0x300 %s -o %t2 |
| # RUN: llvm-readelf %t2 --sections | FileCheck %s --check-prefix=CASE2 |
| |
| # CASE2: [Nr] Name Type Address Off {{.*}} Flg Lk |
| # CASE2: [ 1] .strtab STRTAB 0000000000000000 000100 {{.*}} AS 0 |
| # CASE2-NEXT: [ 2] .shstrtab STRTAB 0000000000000001 000200 {{.*}} WA 0 |
| # CASE2-NEXT: [ 3] .dynstr STRTAB 0000000000000000 000300 {{.*}} S 0 |
| |
| ## Check no flags are set by default for implicit string table sections |
| ## when they are not described in the YAML. |
| |
| # RUN: yaml2obj --docnum=2 %s -o %t3 |
| # RUN: llvm-readelf %t3 --sections | FileCheck %s --check-prefix=CASE3 |
| |
| # CASE3: [Nr] Name Type {{.*}} ES Flg Lk |
| # CASE3: [ 1] .strtab STRTAB {{.*}} 00 0 |
| # CASE3-NEXT: [ 2] .shstrtab STRTAB {{.*}} 00 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| |
| ## For implicit string table sections, `Size` and/or `Content` fields can also |
| ## be specified in YAML. Here we test the behavior in different cases. |
| |
| ## When no `Size` or `Content` is specified for a string table section, |
| ## yaml2obj writes the default content. |
| |
| # RUN: yaml2obj --docnum=3 %s -o %t4 |
| # RUN: llvm-objdump %t4 -s | FileCheck %s --check-prefix=CASE4 |
| |
| # CASE4: Contents of section .strtab: |
| # CASE4-NEXT: 0000 00666f6f 00 .foo. |
| # CASE4-NEXT: Contents of section .shstrtab: |
| # CASE4-NEXT: 0000 002e6479 6e737472 002e6479 6e73796d ..dynstr..dynsym |
| # CASE4-NEXT: 0010 002e7368 73747274 6162002e 73747274 ..shstrtab..strt |
| # CASE4-NEXT: 0020 6162002e 73796d74 616200 ab..symtab. |
| # CASE4-NEXT: Contents of section .dynstr: |
| # CASE4-NEXT: 0030 00626172 00 .bar. |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .strtab |
| Type: SHT_STRTAB |
| Size: [[STRTABSIZE=<none>]] |
| Content: [[STRTABCONTENT=<none>]] |
| - Name: .shstrtab |
| Type: SHT_STRTAB |
| Size: [[SHSTRTABSIZE=<none>]] |
| Content: [[SHSTRTABCONTENT=<none>]] |
| - Name: .dynstr |
| Type: SHT_STRTAB |
| Size: [[DYNSTRSIZE=<none>]] |
| Content: [[DYNSTRCONTENT=<none>]] |
| ## Used to trigger adding string `foo` to the string table section. |
| Symbols: |
| - Name: foo |
| DynamicSymbols: |
| - Name: bar |
| |
| ## For string table sections, `Size` can be used to override the |
| ## implicit string table data. The content is filled with zeroes in this case. |
| |
| # RUN: yaml2obj --docnum=3 -DSTRTABSIZE=2 -DSHSTRTABSIZE=0x30 -DDYNSTRSIZE=4 %s -o %t5 |
| # RUN: llvm-readobj --section-data -S %t5 | FileCheck %s --check-prefix=CASE5 |
| |
| # CASE5: Index: 1 |
| # CASE5-NEXT: Name: (27) |
| # CASE5-NEXT: Type: SHT_STRTAB |
| # CASE5: SectionData ( |
| # CASE5-NEXT: 0000: 0000 | |
| # CASE5-NEXT: ) |
| # CASE5: Index: 2 |
| # CASE5-NEXT: Name: (17) |
| # CASE5-NEXT: Type: SHT_STRTAB (0x3) |
| # CASE5: SectionData ( |
| # CASE5-NEXT: 0000: 00000000 00000000 00000000 00000000 | |
| # CASE5-NEXT: 0010: 00000000 00000000 00000000 00000000 | |
| # CASE5-NEXT: 0020: 00000000 00000000 00000000 00000000 | |
| # CASE5-NEXT: ) |
| # CASE5: Index: 3 |
| # CASE5-NEXT: Name: (1) |
| # CASE5-NEXT: Type: SHT_STRTAB (0x3) |
| # CASE5: SectionData ( |
| # CASE5-NEXT: 0000: 00000000 | |
| # CASE5-NEXT: ) |
| |
| ## For string table sections, `Content` can be used to override the |
| ## implicit string table data. |
| |
| # RUN: yaml2obj --docnum=3 %s \ |
| # RUN: -DSTRTABCONTENT="01020304" \ |
| # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" \ |
| # RUN: -DDYNSTRCONTENT="eeddaabb" -o %t6 |
| # RUN: llvm-readobj --section-data -S %t6 | FileCheck %s --check-prefix=CASE6 |
| |
| # CASE6: Index: 1 |
| # CASE6-NEXT: Name: bcdefggi (27) |
| # CASE6: SectionData ( |
| # CASE6-NEXT: 0000: 01020304 | |
| # CASE6-NEXT: ) |
| # CASE6: Index: 2 |
| # CASE6-NEXT: Name: rstuvwxyzabcdefggi (17) |
| # CASE6: SectionData ( |
| # CASE6-NEXT: 0000: 61626364 65666767 696A6B6C 6D6E6F70 | |
| # CASE6-NEXT: 0010: 71727374 75767778 797A6162 63646566 | |
| # CASE6-NEXT: 0020: 67676900 | |
| # CASE6-NEXT: ) |
| # CASE6: Index: 3 |
| # CASE6-NEXT: Name: bcdefggijklmnopqrstuvwxyzabcdefggi (1) |
| # CASE6: SectionData ( |
| # CASE6-NEXT: 0000: EEDDAABB | |
| # CASE6-NEXT: ) |
| |
| ## For string table sections, check we can specify both `Size` and `Content` |
| ## when size is greater than content size. In this case zeroes are |
| ## added as padding after the specified content. |
| |
| # RUN: yaml2obj --docnum=3 %s \ |
| # RUN: -DSTRTABCONTENT="01020304" -DSTRTABSIZE=5 \ |
| # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x26 \ |
| # RUN: -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=7 -o %t7 |
| # RUN: llvm-readobj --section-data -S %t7 | FileCheck %s --check-prefix=CASE7 |
| |
| # CASE7: Index: 1 |
| # CASE7-NEXT: Name: bcdefggi (27) |
| # CASE7: SectionData ( |
| # CASE7-NEXT: 0000: 01020304 00 | |
| # CASE7-NEXT: ) |
| # CASE7: Index: 2 |
| # CASE7-NEXT: Name: rstuvwxyzabcdefggi (17) |
| # CASE7: SectionData ( |
| # CASE7-NEXT: 0000: 61626364 65666767 696A6B6C 6D6E6F70 | |
| # CASE7-NEXT: 0010: 71727374 75767778 797A6162 63646566 | |
| # CASE7-NEXT: 0020: 67676900 0000 | |
| # CASE7-NEXT: ) |
| # CASE7: Index: 3 |
| # CASE7-NEXT: Name: bcdefggijklmnopqrstuvwxyzabcdefggi (1) |
| # CASE7: SectionData ( |
| # CASE7-NEXT: 0000: EEDDAABB 000000 | |
| # CASE7-NEXT: ) |
| |
| ## For string table sections, check we can specify both `Size` and `Content` |
| ## when size is equal to content size. |
| |
| # RUN: yaml2obj --docnum=3 %s \ |
| # RUN: -DSTRTABCONTENT="01020304" -DSTRTABSIZE=4 \ |
| # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x24 \ |
| # RUN: -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=4 -o %t8 |
| # RUN: llvm-readobj --section-data -S %t8 | FileCheck %s --check-prefix=CASE6 |
| |
| ## Check that we report an error when the the value of "Size" is less than the content size. |
| |
| # RUN: not yaml2obj --docnum=3 %s -DSTRTABCONTENT="01020304" -DSTRTABSIZE=3 2>&1 \ |
| # RUN: | FileCheck %s --check-prefix=CASE8 |
| # RUN: not yaml2obj --docnum=3 %s \ |
| # RUN: -DSHSTRTABCONTENT="6162636465666767696a6b6c6d6e6f707172737475767778797a61626364656667676900" -DSHSTRTABSIZE=0x23 2>&1 \ |
| # RUN: | FileCheck %s --check-prefix=CASE8 |
| # RUN: not yaml2obj --docnum=3 %s -DDYNSTRCONTENT="eeddaabb" -DDYNSTRSIZE=0x3 2>&1 \ |
| # RUN: | FileCheck %s --check-prefix=CASE8 |
| |
| # CASE8: Section size must be greater than or equal to the content size |
