derek.holloway
7502bf64a4
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110 lines
2.3 KiB
ArmAsm
110 lines
2.3 KiB
ArmAsm
// This test checks that the constant island is aligned after BOLT tool.
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# RUN: split-file %s %t
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// For the first test case, in case the nop before .Lci will be removed
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// the pointer to exit function won't be aligned and the test will fail.
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# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown \
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# RUN: %t/xword_align.s -o %t_xa.o
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# RUN: %clang %cflags -fPIC -pie %t_xa.o -o %t_xa.exe -Wl,-q \
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# RUN: -nostartfiles -nodefaultlibs -Wl,-z,notext
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# RUN: llvm-bolt %t_xa.exe -o %t_xa.bolt --use-old-text=0 --lite=0 \
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# RUN: --trap-old-code
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# RUN: llvm-objdump -d --disassemble-symbols='$d' %t_xa.bolt | FileCheck %s
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// For the second and third test cases, we want to set an alignment based
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// on various heuristics.
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# RUN: %clang %cflags -pie %t/page_align.s -o %t_pa.exe -Wl,-q \
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# RUN: -Wl,--init=_foo -Wl,--fini=_foo
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# RUN: llvm-bolt %t_pa.exe -o %t_pa.bolt
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# RUN: llvm-objdump -t %t_pa.exe | grep _const_island
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# RUN: llvm-objdump -t %t_pa.bolt | grep _const_island | FileCheck %s \
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# RUN: --check-prefix=PAGE
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# RUN: %clang %cflags -pie %t/64B_align.s -o %t_64B.exe -Wl,-q \
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# RUN: -Wl,--init=_foo -Wl,--fini=_foo
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# RUN: llvm-bolt %t_64B.exe -o %t_64B.bolt
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# RUN: llvm-objdump -t %t_64B.exe | grep _const_island
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# RUN: llvm-objdump -t %t_64B.bolt | grep _const_island | FileCheck %s \
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# RUN: --check-prefix=64BYTE
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;--- xword_align.s
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.text
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.align 4
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.global
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.type dummy, %function
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dummy:
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add x0, x0, #1
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ret
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.global
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.type exitOk, %function
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exitOk:
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mov x0, #0
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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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adrp x0, .Lci
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ldr x0, [x0, #:lo12:.Lci]
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blr x0
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mov x0, #1
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ret
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.size _start,.-_start
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nop
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# CHECK: {{0|8}} <$d>:
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.Lci:
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.xword exitOk
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.xword 0
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;--- page_align.s
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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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.text
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.global _const_island
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.align 12
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# PAGE: {{[0-9a-f]*}}000 g
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_const_island:
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.rept 0x25100
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.byte 0xbb
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.endr
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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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;--- 64B_align.s
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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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.text
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.global _const_island
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.align 6
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# 64BYTE: {{[0-9a-f]*}}{{0|4|8|c}}0 g
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_const_island:
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.rept 0x2048
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.byte 0xbb
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.endr
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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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