derek.holloway
7502bf64a4
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51 lines
1.7 KiB
ArmAsm
51 lines
1.7 KiB
ArmAsm
# This test is to validate instrumentation code sequence generated with
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# and without `--no-lse-atomics`.
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# REQUIRES: system-linux,bolt-runtime,target=aarch64{{.*}}
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# RUN: %clang %cflags -pie %s -o %t.so -Wl,-q -Wl,--init=_foo -Wl,--fini=_foo
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.text
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.global _foo
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.type _foo, %function
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_foo:
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ret
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.global _start
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.type _start, %function
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_start:
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ret
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# Dummy relocation to force relocation mode
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.reloc 0, R_AARCH64_NONE
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# RUN: llvm-bolt %t.so -o %t.instr.so --instrument
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# RUN: llvm-objdump -d %t.instr.so | FileCheck %s --check-prefix=INLINE
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# INLINE: {{.*}} <_foo>:
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# INLINE-NEXT: {{.*}} stp x0, x1, [sp, #-0x10]!
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# INLINE-NEXT: {{.*}} adrp x0, 0x{{[0-9a-f]*}} {{.*}}
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# INLINE-NEXT: {{.*}} add x0, x0, #0x{{[0-9a-f]*}}
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# INLINE-NEXT: {{.*}} mov x1, #0x1
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# INLINE-NEXT: {{.*}} stadd x1, [x0]
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# INLINE-NEXT: {{.*}} ldp x0, x1, [sp], #0x10
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# RUN: llvm-bolt %t.so -o %t.instr.no_lse.so --instrument \
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# RUN: --no-lse-atomics
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# RUN: llvm-objdump -d %t.instr.no_lse.so | FileCheck %s --check-prefix=NOLSE
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# NOLSE: {{.*}} <_foo>:
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# NOLSE-NEXT: {{.*}} stp x0, x30, [sp, #-0x10]!
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# NOLSE-NEXT: {{.*}} stp x1, x2, [sp, #-0x10]!
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# NOLSE-NEXT: {{.*}} adrp x0, 0x{{[0-9a-f]*}} {{.*}}
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# NOLSE-NEXT: {{.*}} add x0, x0, #0x{{[0-9a-f]*}}
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# NOLSE-NEXT: {{.*}} adrp x1, 0x[[PAGEBASE:[0-9a-f]*]]000 {{.*}}
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# NOLSE-NEXT: {{.*}} add x1, x1, #0x[[PAGEOFF:[0-9a-f]*]]
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# NOLSE-NEXT: {{.*}} blr x1
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# NOLSE-NEXT: {{.*}} ldp x0, x30, [sp], #0x10
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# NOLSE: {{[0]*}}[[PAGEBASE]][[PAGEOFF]] <__bolt_instr_counter_incr>:
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# NOLSE-NEXT: {{.*}} ldaxr x1, [x0]
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# NOLSE-NEXT: {{.*}} add x1, x1, #0x1
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# NOLSE-NEXT: {{.*}} stlxr w2, x1, [x0]
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# NOLSE-NEXT: {{.*}} cbnz w2, 0x{{[0-9[a-f]*}} <__bolt_instr_counter_incr>
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# NOLSE-NEXT: {{.*}} ldp x1, x2, [sp], #0x10
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# NOLSE-NEXT: {{.*}} ret
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