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98 lines
4.6 KiB
98 lines
4.6 KiB
4 months ago
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## Test that yaml2obj automatically assigns sh_addr to allocatable sections for ET_EXEC/ET_DYN files.
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# RUN: yaml2obj %s -o %t.so -D TYPE=ET_DYN
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# RUN: llvm-readelf --sections %t.so | FileCheck %s --check-prefix=EXE-DSO
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# RUN: yaml2obj %s -o %t -D TYPE=ET_EXEC
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# RUN: llvm-readelf --sections %t | FileCheck %s --check-prefix=EXE-DSO
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# RUN: yaml2obj %s -o %t.o -D TYPE=ET_REL
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# RUN: llvm-readelf --sections %t.o | FileCheck %s --check-prefix=REL
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## We assign virtual addresses to allocatable sections automatically for executables and shared libraries.
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# EXE-DSO: Section Headers:
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# EXE-DSO-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# EXE-DSO-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 0
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# EXE-DSO-NEXT: [ 1] .text.any.addr PROGBITS 0000000000001000 000040 000003 00 A 0 0 0
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# EXE-DSO-NEXT: [ 2] .text.shsize PROGBITS 0000000000001003 000043 001234 00 A 0 0 0
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# EXE-DSO-NEXT: [ 3] .text.align PROGBITS 0000000000001100 000100 000004 00 A 0 0 256
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# EXE-DSO-NEXT: [ 4] .data.any.addr PROGBITS 0000000000002000 000104 000001 00 A 0 0 0
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# EXE-DSO-NEXT: [ 5] .data.after.fill PROGBITS 0000000000002101 000205 000001 00 A 0 0 0
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# EXE-DSO-NEXT: [ 6] .data.go.back PROGBITS 0000000000001500 000206 000001 00 A 0 0 0
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# EXE-DSO-NEXT: [ 7] .data.go.back.foo PROGBITS 0000000000001501 000207 000000 00 A 0 0 0
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# EXE-DSO-NEXT: [ 8] .dynsym DYNSYM 0000000000001508 000208 000018 18 A 9 1 8
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# EXE-DSO-NEXT: [ 9] .dynstr STRTAB 0000000000001520 000220 000001 00 A 0 0 1
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# EXE-DSO-NEXT: [10] .strtab STRTAB 0000000000000000 000221 000001 00 0 0 1
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# EXE-DSO-NEXT: [11] .shstrtab STRTAB 0000000000000000 000222 00008b 00 0 0 1
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## We do not assign virtual addresses to allocatable sections in a relocatable object
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## unless YAML document has an explicit request.
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# REL: Section Headers:
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# REL-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# REL-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 0
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# REL-NEXT: [ 1] .text.any.addr PROGBITS 0000000000001000 000040 000003 00 A 0 0 0
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# REL-NEXT: [ 2] .text.shsize PROGBITS 0000000000000000 000043 001234 00 A 0 0 0
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# REL-NEXT: [ 3] .text.align PROGBITS 0000000000000000 000100 000004 00 A 0 0 256
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# REL-NEXT: [ 4] .data.any.addr PROGBITS 0000000000002000 000104 000001 00 A 0 0 0
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# REL-NEXT: [ 5] .data.after.fill PROGBITS 0000000000000000 000205 000001 00 A 0 0 0
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# REL-NEXT: [ 6] .data.go.back PROGBITS 0000000000001500 000206 000001 00 A 0 0 0
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# REL-NEXT: [ 7] .data.go.back.foo PROGBITS 0000000000000000 000207 000000 00 A 0 0 0
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# REL-NEXT: [ 8] .dynsym DYNSYM 0000000000000000 000208 000018 18 A 9 1 8
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# REL-NEXT: [ 9] .dynstr STRTAB 0000000000000000 000220 000001 00 A 0 0 1
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# REL-NEXT: [10] .strtab STRTAB 0000000000000000 000221 000001 00 0 0 1
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# REL-NEXT: [11] .shstrtab STRTAB 0000000000000000 000222 00008b 00 0 0 1
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: [[TYPE]]
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Sections:
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## Show we can place a section at any address.
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- Name: .text.any.addr
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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Address: 0x1000
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Size: 0x3
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## Test that ShSize does not affect virtual addresses.
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- Name: .text.shsize
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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ShSize: 0x1234
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## Show we respect an address align when automatically
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## assign virtual addresses.
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- Name: .text.align
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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AddressAlign: 0x100
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Size: 0x4
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## We can set another address for a subsequent section.
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- Name: .data.any.addr
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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Address: 0x2000
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Size: 0x1
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## Show that Fill occupies VA space.
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- Type: Fill
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Pattern: "AABB"
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Size: 0x100
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- Name: .data.after.fill
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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Size: 0x1
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## Show we can go back in the address space and
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## continue placing sections. The order of sections in the
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## section header table will match the order in the YAML description.
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- Name: .data.go.back
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Address: 0x1500
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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Size: 0x1
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- Name: .data.go.back.foo
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC ]
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## Used to trigger creation of .dynsym and .dynstr.
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DynamicSymbols: []
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