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[ELF] Refactor merge-* tests
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7 files changed

+112
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‎lld/test/ELF/merge-addr.s‎

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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld %t.o -o %t.so -shared --section-start cst4=0x800 --section-start str=0x1000
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# RUN: llvm-readelf -r -S %t.so | FileCheck %s
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# RUN: llvm-objdump -s %t.so | FileCheck %s --check-prefix=OBJDUMP
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# RUN: ld.lld %t.o -o %t0.so -O0 -shared --section-start cst4=0x800 --section-start str=0x1000
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# RUN: llvm-objdump -s %t0.so | FileCheck %s --check-prefix=OBJDUMP0
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# RUN: ld.lld %t.o -o %t2.so -O2 -shared --section-start cst4=0x800 --section-start str=0x1000
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# RUN: llvm-objdump -s %t2.so | FileCheck %s --check-prefix=OBJDUMP2
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK: cst4 PROGBITS 0000000000000800 000800 000004 04 AM 0 0 1
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# CHECK-NEXT: str PROGBITS 0000000000001000 001000 000009 01 AMS 0 0 1
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# CHECK: Relocation section '.rela.dyn'
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# CHECK-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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# CHECK-NEXT: R_X86_64_RELATIVE 802
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# CHECK-NEXT: R_X86_64_RELATIVE 1000
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# CHECK-NEXT: R_X86_64_RELATIVE 1006
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# CHECK-NEXT: R_X86_64_RELATIVE 1002
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# CHECK-EMPTY:
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# OBJDUMP: Contents of section str:
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# OBJDUMP-NEXT: 1000 61006162 63006263 00 a.abc.bc.
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# OBJDUMP: Contents of section .data:
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# OBJDUMP-NEXT: 00000000 00000000 00000000 00000000 ................
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# OBJDUMP-NEXT: 00000000 00000000 ........
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# OBJDUMP: Contents of section .bar:
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# OBJDUMP-NEXT: 0000 00080000 00000000 00080000 00000000 ................
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# OBJDUMP0: Contents of section cst4:
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# OBJDUMP0-NEXT: 0800 2a000000 2a000000 *...*...
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# OBJDUMP0-NEXT: Contents of section str:
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# OBJDUMP0-NEXT: 1000 61626300 61006263 00626300 abc.a.bc.bc.
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# OBJDUMP2: Contents of section cst4:
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# OBJDUMP2-NEXT: 0800 2a000000 *...
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# OBJDUMP2-NEXT: Contents of section str:
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# OBJDUMP2-NEXT: 1000 61626300 6100 abc.a.
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.section cst4,"aM",@progbits,4
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.long 42
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.long 42
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.section str,"aMS",@progbits,1
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abc:
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.asciz "abc"
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a:
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.asciz "a"
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bc:
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.asciz "bc"
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.asciz "bc"
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.data
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.quad cst4 + 6
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.quad a
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.quad bc
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.quad abc
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.section .bar
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.quad cst4
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.quad cst4 + 4

‎lld/test/ELF/merge-reloc.s‎

Lines changed: 49 additions & 83 deletions
Original file line numberDiff line numberDiff line change
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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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# RUN: ld.lld %t.o -r -o %t-rel
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# RUN: llvm-readobj -S --section-data %t-rel | FileCheck %s
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# RUN: ld.lld %t.o -r -o %t.ro
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# RUN: llvm-readelf -S %t.ro | FileCheck %s
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# RUN: llvm-objdump -s %t.ro | FileCheck %s --check-prefix=OBJDUMP
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# When linker generates a relocatable object it does string merging in the same
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# way as for regular link. It should keep SHF_MERGE flag and set proper sh_entsize
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# value so that final link can perform the final merging optimization.
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# RUN: ld.lld %t.o -o %t
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# RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=CHECK-PDE
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# CHECK: Section {
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# CHECK: Index:
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# CHECK: Name: .rodata.1 (
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# CHECK-NEXT: Type: SHT_PROGBITS
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: SHF_ALLOC
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# CHECK-NEXT: SHF_MERGE
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address:
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size: 4
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 4
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# CHECK-NEXT: EntrySize: 4
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# CHECK-NEXT: SectionData (
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# CHECK-NEXT: 0000: 42000000
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# CHECK-NEXT: )
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# CHECK-NEXT: }
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# CHECK: Section {
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# CHECK: Index:
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# CHECK: Name: .rodata.2 (
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# CHECK-NEXT: Type: SHT_PROGBITS
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: SHF_ALLOC
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# CHECK-NEXT: SHF_MERGE
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address:
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size: 8
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 8
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# CHECK-NEXT: EntrySize: 8
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# CHECK-NEXT: SectionData (
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# CHECK-NEXT: 0000: 42000000 42000000
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# CHECK-NEXT: )
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# CHECK-NEXT: }
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# CHECK: Section {
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# CHECK: Index:
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# CHECK: Name: .data
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# CHECK-NEXT: Type: SHT_PROGBITS
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: SHF_ALLOC
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# CHECK-NEXT: SHF_WRITE
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address:
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size: 16
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: SectionData (
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# CHECK-NEXT: 0000: 42000000 42000000 42000000 42000000
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# CHECK-NEXT: )
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# CHECK-NEXT: }
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# CHECK: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 0
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# CHECK-NEXT: [ 1] .text PROGBITS 0000000000000000 000040 000000 00 AX 0 0 4
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# CHECK-NEXT: [ 2] .rodata.1 PROGBITS 0000000000000000 000040 000004 04 AM 0 0 4
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# CHECK-NEXT: [ 3] .rodata.2 PROGBITS 0000000000000000 000048 000008 08 AM 0 0 8
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# CHECK-NEXT: [ 4] .rodata.cst8 PROGBITS 0000000000000000 000050 000010 00 AM 0 0 1
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# CHECK-NEXT: [ 5] .rela.rodata.cst8 RELA 0000000000000000 000068 000030 18 I 9 4 8
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# CHECK-NEXT: [ 6] .cst4 PROGBITS 0000000000000000 000060 000008 00 AM 0 0 1
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# CHECK-NEXT: [ 7] .rela.cst4 RELA 0000000000000000 000098 000030 18 I 9 6 8
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# OBJDUMP: Contents of section .rodata.1:
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# OBJDUMP-NEXT: 0000 42000000 B...
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# OBJDUMP-NEXT: Contents of section .rodata.2:
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# OBJDUMP-NEXT: 0000 42000000 42000000 B...B...
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# OBJDUMP-NEXT: Contents of section .rodata.cst8:
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# OBJDUMP-NEXT: 0000 00000000 00000000 00000000 00000000 ................
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# OBJDUMP: Contents of section .cst4:
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# OBJDUMP-NEXT: 0000 00000000 00000000 ........
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# CHECK-PDE: [ 2] .cst4 PROGBITS 0000000000200140 000140 000008 00 AM 0 0 1
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.section .rodata.1,"aM",@progbits,4
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.align 4
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.global foo
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foo:
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.long 0x42
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.long 0x42
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.long 0x42
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.section .rodata.2,"aM",@progbits,8
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.align 8
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.global bar
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bar:
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.long 0x42
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.long 0x42
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.long 0x42
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.long 0x42
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.section .rodata.1,"aM",@progbits,4
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.align 4
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.long 0x42
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.long 0x42
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.long 0x42
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.section .rodata.2,"aM",@progbits,8
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.align 8
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.long 0x42
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.long 0x42
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.long 0x42
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.long 0x42
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## Test that we keep a SHT_REL[A] section which relocates a SHF_MERGE section
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## in -r mode. The relocated SHF_MERGE section is handled as non-mergeable.
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.section .rodata.cst8,"aM",@progbits,8,unique,0
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.quad foo
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.section .rodata.cst8,"aM",@progbits,8,unique,1
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.quad foo
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.data
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.global gar
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zed:
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.long 0x42
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.long 0x42
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.long 0x42
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.long 0x42
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.section .cst4,"aM",@progbits,4,unique,0
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.long foo
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.section .cst4,"aM",@progbits,4,unique,1
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.long foo

‎lld/test/ELF/merge-relocatable.s‎

Lines changed: 0 additions & 23 deletions
This file was deleted.

‎lld/test/ELF/merge-shared-str.s‎

Lines changed: 0 additions & 28 deletions
This file was deleted.

‎lld/test/ELF/merge-shared.s‎

Lines changed: 0 additions & 26 deletions
This file was deleted.

‎lld/test/ELF/merge-string.s‎

Lines changed: 0 additions & 105 deletions
This file was deleted.

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