| ## Test how we create SHT_GNU_verdef sections. |
| |
| ## Check that we link the SHT_GNU_verdef section to |
| ## the `.dynstr` section by default. |
| ## Check that we set the value of `sh_info` field to the |
| ## number of version definitions by default. |
| |
| # RUN: yaml2obj --docnum=1 %s -o %t1 |
| # RUN: llvm-readobj -V %t1 | FileCheck %s |
| # RUN: llvm-readelf --sections %t1 | \ |
| # RUN: FileCheck %s -DLINK=3 -DINFO=4 --check-prefix=FIELDS |
| |
| # FIELDS: [Nr] Name Type {{.*}} Flg Lk Inf |
| # FIELDS: [ 1] .gnu.version_d VERDEF {{.*}} A [[LINK]] [[INFO]] |
| # FIELDS: [ 3] .dynstr |
| |
| # CHECK: VersionDefinitions [ |
| # CHECK-NEXT: Definition { |
| # CHECK-NEXT: Version: 1 |
| # CHECK-NEXT: Flags [ (0x0) |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Index: 0 |
| # CHECK-NEXT: Hash: 0 |
| # CHECK-NEXT: Name: |
| # CHECK-NEXT: Predecessors: [] |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Definition { |
| # CHECK-NEXT: Version: 1 |
| # CHECK-NEXT: Flags [ (0x1) |
| # CHECK-NEXT: Base (0x1) |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Index: 1 |
| # CHECK-NEXT: Hash: 170240160 |
| # CHECK-NEXT: Name: dso.so.0 |
| # CHECK-NEXT: Predecessors: [] |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Definition { |
| # CHECK-NEXT: Version: 1 |
| # CHECK-NEXT: Flags [ (0x2) |
| # CHECK-NEXT: Weak (0x2) |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Index: 2 |
| # CHECK-NEXT: Hash: 108387921 |
| # CHECK-NEXT: Name: VERSION_1 |
| # CHECK-NEXT: Predecessors: [] |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Definition { |
| # CHECK-NEXT: Version: 1 |
| # CHECK-NEXT: Flags [ (0xFFFF) |
| # CHECK-NEXT: Base (0x1) |
| # CHECK-NEXT: Info (0x4) |
| # CHECK-NEXT: Weak (0x2) |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Index: 3 |
| # CHECK-NEXT: Hash: 108387922 |
| # CHECK-NEXT: Name: VERSION_2 |
| # CHECK-NEXT: Predecessors: [VERSION_3, VERSION_4] |
| # CHECK-NEXT: } |
| # CHECK-NEXT: ] |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| Flags: [ SHF_ALLOC ] |
| Info: [[INFO=<none>]] |
| Link: [[LINK=<none>]] |
| Entries: |
| ## Case 1: an entry that has no Version, Flags, VersionNdx or Hash fields set. |
| ## Used to check values that are written by default. Also shows |
| ## that we are able to use the "=<none>" syntax for these fields. |
| - Version: [[VERSION=<none>]] |
| Flags: [[FLAGS=<none>]] |
| VersionNdx: [[VERNDX=<none>]] |
| Hash: [[HASH=<none>]] |
| Names: [] |
| ## Case 2: an arbitrary entry. |
| - Flags: 1 |
| VersionNdx: 1 |
| Hash: 170240160 |
| Names: |
| - dso.so.0 |
| ## Case 3: one more arbitrary entry with different values. |
| - Flags: 2 |
| VersionNdx: 2 |
| Hash: 108387921 |
| Names: |
| - VERSION_1 |
| ## Case 4: an entry that has version predecessors. Also, it sets |
| ## all known flags as well as few unknown. |
| - Flags: 0xffff |
| VersionNdx: 3 |
| Hash: 108387922 |
| Names: |
| - VERSION_2 |
| - VERSION_3 |
| - VERSION_4 |
| DynamicSymbols: |
| - Name: foo |
| Binding: STB_GLOBAL |
| |
| ## Check that we are able to set sh_info and sh_link fields to arbitrary values. |
| |
| # RUN: yaml2obj --docnum=1 -DINFO=123 -DLINK=234 %s -o %t1.fields |
| # RUN: llvm-readelf --sections %t1.fields | \ |
| # RUN: FileCheck %s -DINFO=123 -DLINK=234 --check-prefix=FIELDS |
| |
| ## Check we are able to emit a version definition which has a version revision |
| ## (vd_version) field value that is not equal to 1. |
| |
| # RUN: yaml2obj --docnum=1 -DVERSION=2 %s -o %t.version |
| # RUN: llvm-readobj -V %t.version 2>&1 | FileCheck %s --check-prefix=VERSION-ERR |
| |
| # VERSION-ERR: unable to dump SHT_GNU_verdef section with index 1: version 2 is not yet supported |
| |
| ## Check we can use "Content" to describe the content. |
| ## Check we set the sh_link field to 0 when there is no .dynstr section. |
| |
| # RUN: yaml2obj --docnum=2 %s -o %t2 |
| # RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s --check-prefix=CONTENT |
| |
| # CONTENT: Name: .gnu.version_d |
| # CONTENT-NEXT: Type: SHT_GNU_verdef |
| # CONTENT-NEXT: Flags [ (0x2) |
| # CONTENT-NEXT: SHF_ALLOC (0x2) |
| # CONTENT-NEXT: ] |
| # CONTENT-NEXT: Address: 0x0 |
| # CONTENT-NEXT: Offset: 0x40 |
| # CONTENT-NEXT: Size: 3 |
| # CONTENT-NEXT: Link: 0 |
| # CONTENT-NEXT: Info: 0 |
| # CONTENT-NEXT: AddressAlignment: |
| # CONTENT-NEXT: EntrySize: |
| # CONTENT-NEXT: SectionData ( |
| # CONTENT-NEXT: 0000: 112233 |
| # CONTENT-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| Flags: [ SHF_ALLOC ] |
| Content: "112233" |
| |
| ## Check we can omit "Content" and "Entries" fields to produce an empty SHT_GNU_verdef section. |
| |
| # RUN: yaml2obj --docnum=3 %s -o %t3 |
| # RUN: llvm-readelf --sections %t3 | FileCheck %s --check-prefix=NO-PROPS |
| |
| # NO-PROPS: [Nr] Name Type Address Off Size ES Flg Lk Inf Al |
| # NO-PROPS: [ 1] .gnu.version_d VERDEF 0000000000000000 000040 000000 00 A 0 0 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| Flags: [ SHF_ALLOC ] |
| |
| ## Check we can use the "Content" key with the "Size" key when the size is greater |
| ## than or equal to the content size. |
| |
| # RUN: not yaml2obj --docnum=4 -DSIZE=1 -DCONTENT="'0011'" %s 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=CONTENT-SIZE-ERR |
| |
| # CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| Size: [[SIZE=<none>]] |
| Content: [[CONTENT=<none>]] |
| Entries: [[ENTRIES=<none>]] |
| |
| # RUN: yaml2obj --docnum=4 -DSIZE=2 -DCONTENT="'0011'" %s -o %t.cont.size.eq.o |
| # RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="0011" |
| |
| # RUN: yaml2obj --docnum=4 -DSIZE=3 -DCONTENT="'0011'" %s -o %t.cont.size.gr.o |
| # RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="001100" |
| |
| # CHECK-CONTENT: Name: .gnu.version_d |
| # CHECK-CONTENT: SectionData ( |
| # CHECK-CONTENT-NEXT: 0000: [[DATA]] | |
| # CHECK-CONTENT-NEXT: ) |
| |
| ## Check we can use the "Size" key alone to create the section. |
| |
| # RUN: yaml2obj --docnum=4 -DSIZE=3 %s -o %t.size.o |
| # RUN: llvm-readobj --sections --section-data %t.size.o | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="000000" |
| |
| ## Check we can use the "Content" key alone to create the section. |
| |
| # RUN: yaml2obj --docnum=4 -DCONTENT="'112233'" %s -o %t.content.o |
| # RUN: llvm-readobj --sections --section-data %t.content.o | \ |
| # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="112233" |
| |
| ## Check we can't use the "Entries" key together with the "Content" or "Size" keys. |
| |
| # RUN: not yaml2obj --docnum=4 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=ENTRIES-ERR |
| # RUN: not yaml2obj --docnum=4 -DCONTENT="'00'" -DENTRIES="[]" %s 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=ENTRIES-ERR |
| |
| # ENTRIES-ERR: error: "Entries" cannot be used with "Content" or "Size" |
| |
| ## Check we set the sh_link field to 0 when the .dynstr section is excluded |
| ## from the section header table. |
| |
| # RUN: yaml2obj --docnum=5 %s -o %t5 |
| # RUN: llvm-readelf --sections %t5 | FileCheck %s --check-prefix=EXCLUDED |
| |
| # EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf |
| # EXCLUDED: [ 1] .gnu.version_d {{.*}} 00 0 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Sections: |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| - Name: .dynstr |
| Type: SHT_STRTAB |
| - Type: SectionHeaderTable |
| Sections: |
| - Name: .gnu.version_d |
| - Name: .strtab |
| - Name: .shstrtab |
| Excluded: |
| - Name: .dynstr |
