derek.holloway
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44 lines
2.2 KiB
Plaintext
44 lines
2.2 KiB
Plaintext
# REQUIRES: aarch64
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## Test ALIGN and its interaction with explicit output section addresses.
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# RUN: echo '.globl _start; _start: ret; .section .data.rel.ro,"aw"; .balign 8; .byte 0; .data; .byte 0; \
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# RUN: .section .data2,"aw"; .balign 8; .byte 0; \
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# RUN: .section .data3,"aw"; .balign 32; .byte 0; \
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# RUN: .bss; .balign 32; .byte 0' | \
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# RUN: llvm-mc -filetype=obj -triple=aarch64 - -o %t.o
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# RUN: ld.lld -T %s %t.o -o %t 2>&1 | FileCheck --check-prefix=WARN %s --implicit-check-not=warning:
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# RUN: llvm-readelf -S %t | FileCheck %s
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## Check we don't warn in the absence of SECTIONS.
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# RUN: ld.lld --fatal-warnings -Ttext=0x10000 --image-base=0x10000 %t.o -o /dev/null
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# WARN: warning: address (0x10004) of section .data.rel.ro is not a multiple of alignment (16)
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# WARN: warning: address (0x20001) of section .data2 is not a multiple of alignment (8)
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# WARN: warning: address (0x20021) of section .bss is not a multiple of alignment (32)
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK-NEXT: NULL 0000000000000000 000000 000000 00 0 0 0
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# CHECK-NEXT: .text PROGBITS 0000000000010000 010000 000004 00 AX 0 0 4
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# CHECK-NEXT: .data.rel.ro PROGBITS 0000000000010004 010004 000005 00 WA 0 0 16
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# CHECK-NEXT: .data PROGBITS 0000000000020000 020000 000001 00 WA 0 0 1
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# CHECK-NEXT: .data2 PROGBITS 0000000000020001 020001 000008 00 WA 0 0 8
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# CHECK-NEXT: .data3 PROGBITS 0000000000020020 020020 000001 00 WA 0 0 32
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# CHECK-NEXT: .bss NOBITS 0000000000020021 020021 000020 00 WA 0 0 32
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SECTIONS {
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.text 0x10000 : { *(.text) }
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## sh_addr is aligned to 16.
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.data.rel.ro . : ALIGN(16) { *(.data.rel.ro) }
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.data 0x20000 : { *(.data) }
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## The output section address is set without ALIGN. sh_addr is set to Dot, ignoring alignment.
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## sh_addralign is the maximum of input section alignments, 8.
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.data2 . : { *(.data2) }
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## sh_addr is aligned to 32.
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## The input section has a larger alignment and is thus preceded by a gap.
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.data3 : ALIGN(16) { *(.data3) }
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## sh_addr is aligned to 16.
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## The input section has a larger alignment and is thus preceded by a gap.
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.bss . : ALIGN(16) { *(.bss) }
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}
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