forked from OSchip/llvm-project
62 lines
2.2 KiB
ArmAsm
62 lines
2.2 KiB
ArmAsm
# 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
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# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t | \
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# RUN: FileCheck --check-prefixes=CHECK,ORDERED %s
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# RUN: ld.lld %t.o --shuffle-sections '*=1' -o %t1
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# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t1 | \
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# RUN: FileCheck --check-prefixes=CHECK,SHUFFLED %s
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## .init and .fini rely on a particular order, e.g. crti.o crtbegin.o crtend.o crtn.o
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## Don't shuffle them.
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# CHECK: Hex dump of section '.init'
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# CHECK-NEXT: 00010203 04050607 08090a0b
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# CHECK: Hex dump of section '.fini'
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# CHECK-NEXT: 00010203 04050607 08090a0b
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## SHT_INIT_ARRAY/SHT_FINI_ARRAY with explicit priorities are still ordered.
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# CHECK: Hex dump of section '.init_array'
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# CHECK-NEXT: 0x{{[0-9a-f]+}} ff
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# ORDERED-SAME: 000102 03040506 0708090a 0b
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# SHUFFLED-SAME: 070201 0006090a 040b0503 08
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# CHECK: Hex dump of section '.fini_array'
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# CHECK-NEXT: 0x{{[0-9a-f]+}} ff
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# ORDERED-SAME: 000102 03040506 0708090a 0b
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# SHUFFLED-SAME: 070008 0a040209 03010b06 05
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## With a SECTIONS command, SHT_INIT_ARRAY prirotities are ignored.
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## All .init_array* are shuffled together.
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# RUN: echo 'SECTIONS { \
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# RUN: .init_array : { *(.init_array*) } \
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# RUN: .fini_array : { *(.fini_array*) }}' > %t.script
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# RUN: ld.lld -T %t.script %t.o -o %t2
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# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t2 | \
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# RUN: FileCheck --check-prefixes=CHECK2,ORDERED2 %s
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# RUN: ld.lld -T %t.script %t.o --shuffle-sections '*=1' -o %t3
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# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t3 | \
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# RUN: FileCheck --check-prefixes=CHECK2,SHUFFLED2 %s
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# CHECK2: Hex dump of section '.init_array'
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# ORDERED2-NEXT: 0x{{[0-9a-f]+}} 00010203 04050607 08090a0b ff
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# SHUFFLED2-NEXT: 0x{{[0-9a-f]+}} 07020100 06090a04 0b050308 ff
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.irp i,0,1,2,3,4,5,6,7,8,9,10,11
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.section .init,"ax",@progbits,unique,\i
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.byte \i
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.section .fini,"ax",@progbits,unique,\i
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.byte \i
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.section .init_array,"aw",@init_array,unique,\i
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.byte \i
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.section .fini_array,"aw",@fini_array,unique,\i
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.byte \i
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.endr
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.section .init_array.1,"aw",@init_array
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.byte 255
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.section .fini_array.1,"aw",@fini_array
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.byte 255
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