81 lines · yaml
1## Check how we produce SHT_DYNSYM sections.2 3## Check we do not crash/assert when .dynsym is specified4## explicitly, but .dynstr is not present.5## Check we set the sh_link field to 0 for the .dynsym section in this case.6 7# RUN: yaml2obj %s -o %t18# RUN: llvm-readelf --section-headers %t1 | FileCheck %s9 10# CHECK: Section Headers:11# CHECK-NEXT: [Nr] Name Type Address Off Size ES Flg Lk12# CHECK-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 013# CHECK-NEXT: [ 1] .dynsym DYNSYM 0000000000000000 000040 000018 18 A 014 15--- !ELF16FileHeader:17 Class: ELFCLASS6418 Data: ELFDATA2LSB19 Type: ET_DYN20Sections:21 - Name: .dynsym22 Type: SHT_DYNSYM23 Offset: [[OFFSET=<none>]]24 25## Check we can use the "Offset" key to to set an arbitrary offset for the SHT_DYNSYM section.26 27# RUN: yaml2obj %s -DOFFSET=0x100 -o %t228# RUN: llvm-readelf --section-headers %t2 | FileCheck %s --check-prefix=OFFSET29 30# OFFSET: Section Headers:31# OFFSET-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al32# OFFSET-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 033# OFFSET-NEXT: [ 1] .dynsym DYNSYM 0000000000000000 000100 000018 18 A 0 1 034 35## Check we are able to set Link = 0 for the .dynsym section explicitly.36 37# RUN: yaml2obj %s --docnum=2 -DLINK=0 -o %t238# RUN: llvm-readelf --section-headers %t2 | FileCheck %s --check-prefix=LINK-NULL39 40# LINK-NULL: [Nr] Name {{.*}} Flg Lk Inf41# LINK-NULL: [ 1] .dynsym {{.*}} A 0 142 43--- !ELF44FileHeader:45 Class: ELFCLASS6446 Data: ELFDATA2LSB47 Type: ET_DYN48Sections:49 - Name: .dynsym50 Type: SHT_DYNSYM51 Link: [[LINK=<none>]]52 - Name: .dynstr53 Type: SHT_STRTAB54 - Name: .foo55 Type: SHT_PROGBITS56 57## Check that by default the .dynsym section will be linked to the .dynstr section,58## when the latter one exists.59 60# RUN: yaml2obj %s --docnum=2 -o %t361# RUN: llvm-readelf --section-headers %t3 | FileCheck %s --check-prefix=LINK-DEFAULT62 63# LINK-DEFAULT: [Nr] Name {{.*}} Flg Lk Inf64# LINK-DEFAULT: [ 1] .dynsym {{.*}} A 2 165# LINK-DEFAULT: [ 2] .dynstr {{.*}} A 0 066 67## Even when the .dynstr section exists, we can explicitly link the .dynsym section68## to another section.69 70# RUN: yaml2obj %s --docnum=2 -DLINK=3 -o %t471# RUN: llvm-readelf --section-headers %t4 | FileCheck %s --check-prefix=LINK-FOO72 73# LINK-FOO: [Nr] Name {{.*}} Flg Lk Inf74# LINK-FOO: [ 1] .dynsym {{.*}} A 3 175# LINK-FOO: [ 3] .foo76 77## Check we can use a section name as a Link value for .dynsym.78 79# RUN: yaml2obj %s --docnum=2 -DLINK=.foo -o %t580# RUN: llvm-readelf --section-headers %t5 | FileCheck %s --check-prefix=LINK-FOO81