derek.holloway
7502bf64a4
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92 lines
2.8 KiB
ArmAsm
92 lines
2.8 KiB
ArmAsm
# REQUIRES: systemz
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## Test R_390_GOTENT optimization.
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# RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
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# RUN: ld.lld %t.o -o %t1 --no-apply-dynamic-relocs
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# RUN: llvm-readelf -S -r -x .got.plt %t1 | FileCheck --check-prefixes=CHECK,NOAPPLY %s
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# RUN: ld.lld %t.o -o %t1 --apply-dynamic-relocs
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# RUN: llvm-readelf -S -r -x .got.plt %t1 | FileCheck --check-prefixes=CHECK,APPLY %s
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# RUN: ld.lld %t.o -o %t1
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# RUN: llvm-objdump --no-print-imm-hex -d %t1 | FileCheck --check-prefix=DISASM %s
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## --no-relax disables GOT optimization.
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# RUN: ld.lld --no-relax %t.o -o %t2
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# RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck --check-prefix=NORELAX %s
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## In our implementation, .got is retained even if all GOT-generating relocations are optimized.
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK: .iplt PROGBITS 0000000001001240 000240 000020 00 AX 0 0 16
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# CHECK-NEXT: .got PROGBITS 0000000001002260 000260 000018 00 WA 0 0 8
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# CHECK-NEXT: .relro_padding NOBITS 0000000001002278 000278 000d88 00 WA 0 0 1
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# CHECK-NEXT: .got.plt PROGBITS 0000000001003278 000278 000008 00 WA 0 0 8
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## There is one R_S390_IRELATIVE relocation.
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# CHECK-LABEL: Relocation section '.rela.dyn' at offset {{.*}} contains 1 entries:
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# CHECK: 0000000001003278 000000000000003d R_390_IRELATIVE 10011e8
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# CHECK-LABEL: Hex dump of section '.got.plt':
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# NOAPPLY-NEXT: 0x01003278 00000000 00000000
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# APPLY-NEXT: 0x01003278 00000000 010011e8
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# DISASM: Disassembly of section .text:
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# DISASM: 00000000010011e0 <foo>:
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# DISASM-NEXT: nop
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# DISASM: 00000000010011e4 <hid>:
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# DISASM-NEXT: nop
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# DISASM: 00000000010011e8 <ifunc>:
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# DISASM-NEXT: br %r14
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# DISASM: 00000000010011ea <_start>:
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# DISASM-NEXT: larl %r1, 0x10011e0
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# DISASM-NEXT: larl %r1, 0x10011e0
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# DISASM-NEXT: larl %r1, 0x10011e4
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# DISASM-NEXT: larl %r1, 0x10011e4
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# DISASM-NEXT: lgrl %r1, 0x1003278
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# DISASM-NEXT: lgrl %r1, 0x1003278
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# DISASM-NEXT: larl %r1, 0x10011e0
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# DISASM-NEXT: larl %r1, 0x10011e0
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# DISASM-NEXT: larl %r1, 0x10011e4
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# DISASM-NEXT: larl %r1, 0x10011e4
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# DISASM-NEXT: lgrl %r1, 0x1003278
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# DISASM-NEXT: lgrl %r1, 0x1003278
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# NORELAX-LABEL: <_start>:
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# NORELAX-COUNT-12: lgrl
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.text
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.globl foo
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.text
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.globl foo
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.type foo, @function
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foo:
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nop
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.globl hid
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.hidden hid
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.type hid, @function
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hid:
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nop
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.text
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.type ifunc STT_GNU_IFUNC
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.globl ifunc
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.type ifunc, @function
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ifunc:
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br %r14
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.globl _start
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.type _start, @function
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_start:
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lgrl %r1, foo@GOT
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lgrl %r1, foo@GOT
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lgrl %r1, hid@GOT
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lgrl %r1, hid@GOT
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lgrl %r1, ifunc@GOT
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lgrl %r1, ifunc@GOT
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lgrl %r1, foo@GOT
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lgrl %r1, foo@GOT
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lgrl %r1, hid@GOT
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lgrl %r1, hid@GOT
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lgrl %r1, ifunc@GOT
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lgrl %r1, ifunc@GOT
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