## Check we are able to dump SHT_GNU_verneed sections properly. ## Check that we link the SHT_GNU_verneed section to ## the `.dynstr` section by default. ## Check that we set the value of `sh_info` field to the number ## of version dependencies 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=2 --check-prefix=FIELDS # FIELDS: [Nr] Name Type {{.*}} Flg Lk Inf Al # FIELDS: [ 1] .gnu.version_r VERNEED {{.*}} A [[LINK]] [[INFO]] 4 # FIELDS: [ 3] .dynstr # CHECK: VersionRequirements [ # CHECK-NEXT: Dependency { # CHECK-NEXT: Version: 1 # CHECK-NEXT: Count: 2 # CHECK-NEXT: FileName: dso.so.0 # CHECK-NEXT: Entries [ # CHECK-NEXT: Entry { # CHECK-NEXT: Hash: 1937 # CHECK-NEXT: Flags [ (0xA) # CHECK-NEXT: Weak (0x2) # CHECK-NEXT: ] # CHECK-NEXT: Index: 3 # CHECK-NEXT: Name: v1 # CHECK-NEXT: } # CHECK-NEXT: Entry { # CHECK-NEXT: Hash: 1938 # CHECK-NEXT: Flags [ (0xB) # CHECK-NEXT: Base (0x1) # CHECK-NEXT: Weak (0x2) # CHECK-NEXT: ] # CHECK-NEXT: Index: 4 # CHECK-NEXT: Name: v2 # CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: } # CHECK-NEXT: Dependency { # CHECK-NEXT: Version: 1 # CHECK-NEXT: Count: 1 # CHECK-NEXT: FileName: dso.so.1 # CHECK-NEXT: Entries [ # CHECK-NEXT: Entry { # CHECK-NEXT: Hash: 1939 # CHECK-NEXT: Flags [ (0xC) # CHECK-NEXT: Info (0x4) # CHECK-NEXT: ] # CHECK-NEXT: Index: 2 # CHECK-NEXT: Name: v3 # CHECK-NEXT: } # CHECK-NEXT: ] # CHECK-NEXT: } # CHECK-NEXT: ] --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Entry: 0x0000000000201000 Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Address: 0x0000000000200250 AddressAlign: 0x0000000000000004 Info: [[INFO=]] Link: [[LINK=]] Dependencies: - Version: 1 File: dso.so.0 Entries: - Name: v1 Hash: 1937 Flags: 10 Other: 3 - Name: v2 Hash: 1938 Flags: 11 Other: 4 - Version: 1 File: dso.so.1 Entries: - Name: v3 Hash: 1939 Flags: 12 Other: 2 DynamicSymbols: - Name: f1 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 can omit "Content", "Size" and "Dependencies" fields to ## produce an empty SHT_GNU_verneed section. ## Check we set the sh_link field to 0 when there is no .dynstr section. # RUN: yaml2obj --docnum=2 %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 # NO-PROPS: [ 1] .gnu.version_r VERNEED 0000000000000000 000040 000000 00 A 0 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Size: [[SIZE=]] Content: [[CONTENT=]] Dependencies: [[DEPS=]] ## 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=2 -DCONTENT="'00'" -DSIZE=0 %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 # RUN: yaml2obj --docnum=2 -DCONTENT="'00'" -DSIZE=1 %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="00" # RUN: yaml2obj --docnum=2 -DCONTENT="'00'" -DSIZE=2 %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="0000" # CHECK-CONTENT: Name: .gnu.version_r # 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=2 -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=2 -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 "Dependencies" key together with the "Content" or "Size" keys. # RUN: not yaml2obj --docnum=2 -DSIZE=0 -DDEPS="[]" %s 2>&1 | \ # RUN: FileCheck %s --check-prefix=DEPS-ERR # RUN: not yaml2obj --docnum=2 -DCONTENT="'00'" -DDEPS="[]" %s 2>&1 | \ # RUN: FileCheck %s --check-prefix=DEPS-ERR # DEPS-ERR: error: "Dependencies" 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=3 %s -o %t3 # RUN: llvm-readelf --sections %t3 | FileCheck %s --check-prefix=EXCLUDED # EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf # EXCLUDED: [ 1] .gnu.version_r {{.*}} 00 0 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_DYN Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed - Name: .dynstr Type: SHT_STRTAB - Type: SectionHeaderTable Sections: - Name: .gnu.version_r - Name: .strtab - Name: .shstrtab Excluded: - Name: .dynstr