derek.holloway
7502bf64a4
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84 lines
2.8 KiB
ArmAsm
84 lines
2.8 KiB
ArmAsm
# REQUIRES: system-linux
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## Check that BOLT correctly handles different types of instructions with
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## R_X86_64_GOTPCRELX or R_X86_64_REX_GOTPCRELX relocations and different
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## kinds of handling of the relocation by the linker (no relaxation, pic, and
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## non-pic).
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o
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# RUN: ld.lld %t.o -o %t.exe -q
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# RUN: ld.lld %t.o -o %t.pie.exe -q -pie
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# RUN: ld.lld %t.o -o %t.no-relax.exe -q --no-relax
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# RUN: llvm-bolt %t.exe --relocs -o %t.out --print-cfg --print-only=_start \
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# RUN: 2>&1 | FileCheck --check-prefix=BOLT %s
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# RUN: llvm-bolt %t.pie.exe -o %t.null --print-cfg --print-only=_start \
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# RUN: 2>&1 | FileCheck --check-prefix=PIE-BOLT %s
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# RUN: llvm-bolt %t.no-relax.exe -o %t.null --print-cfg --print-only=_start \
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# RUN: 2>&1 | FileCheck --check-prefix=NO-RELAX-BOLT %s
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# RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex \
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# RUN: %t.out | FileCheck --check-prefix=DISASM %s
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## Relocate foo only and check that code references from _start (that is
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## otherwise preserved) are updated.
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# RUN: llvm-bolt %t.exe --relocs -o %t.lite.out --funcs=foo
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# RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex \
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# RUN: %t.lite.out | FileCheck --check-prefix=DISASM %s
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.text
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.globl _start
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.type _start, %function
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_start:
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.cfi_startproc
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# DISASM: <_start>:
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call *foo@GOTPCREL(%rip)
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# NO-RELAX-BOLT: callq *{{.*}}(%rip)
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# BOLT: callq foo
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# PIE-BOLT: callq foo
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# DISASM-NEXT: callq 0x[[#%x,ADDR:]]
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movq foo@GOTPCREL(%rip), %rdi
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# NO-RELAX-BOLT-NEXT: movq {{.*}}(%rip), %rdi
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# BOLT-NEXT: leaq foo(%rip), %rdi
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# PIE-BOLT-NEXT: leaq foo(%rip), %rdi
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# DISASM-NEXT: leaq {{.*}}(%rip), %rdi # 0x[[#ADDR]]
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movl foo@GOTPCREL+4(%rip), %edi
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# NO-RELAX-BOLT-NEXT: movl {{.*}}(%rip), %edi
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# BOLT-NEXT: movl {{.*}}(%rip), %edi
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# PIE-BOLT-NEXT: movl {{.*}}(%rip), %edi
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# DISASM-NEXT: movl {{.*}}(%rip), %edi
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test %rdi, foo@GOTPCREL(%rip)
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# NO-RELAX-BOLT-NEXT: testq %rdi, DATA{{.*}}(%rip)
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# BOLT-NEXT: testq $foo, %rdi
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# PIE-BOLT-NEXT: testq %rdi, DATA{{.*}}(%rip)
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# DISASM-NEXT: testq $0x[[#ADDR]], %rdi
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cmpq foo@GOTPCREL(%rip), %rax
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# NO-RELAX-BOLT-NEXT: cmpq DATA{{.*}}(%rip), %rax
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# BOLT-NEXT: cmpq $foo, %rax
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# PIE-BOLT-NEXT: cmpq DATA{{.*}}(%rip), %rax
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# DISASM-NEXT: cmpq $0x[[#ADDR]], %rax
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jmp *foo@GOTPCREL(%rip)
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# NO-RELAX-BOLT-NEXT: jmpq *DATA{{.*}}(%rip)
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# BOLT-NEXT: jmp foo
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# PIE-BOLT-NEXT: jmp foo
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# DISASM-NEXT: jmp 0x[[#ADDR]]
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# DISASM: [[#ADDR]] <foo>:
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ret
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.cfi_endproc
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.size _start, .-_start
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.globl foo
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.type foo, %function
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foo:
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.cfi_startproc
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ret
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.cfi_endproc
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.size foo, .-foo
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