derek.holloway
7502bf64a4
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34 lines
1.1 KiB
ArmAsm
34 lines
1.1 KiB
ArmAsm
# REQUIRES: arm
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## For --gc-sections, group members are retained or discarded as a unit.
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## However, discarding a section via /DISCARD/ should not discard other members
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## within the group. This is compatible with GNU ld.
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# RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
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## We can discard .ARM.exidx* in a group.
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# RUN: echo 'SECTIONS { /DISCARD/ : { *(.ARM.exidx*) }}' > %t.noarm.script
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# RUN: ld.lld %t.o --gc-sections -T %t.noarm.script -o %t.noarm
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# RUN: llvm-readobj -S %t.noarm | FileCheck %s --check-prefix=NOARM --implicit-check-not='Name: .ARM.exidx'
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# NOARM: Name: .text
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# NOARM: Name: .note._start
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## Another example, we can discard SHT_NOTE in a group.
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# RUN: echo 'SECTIONS { /DISCARD/ : { *(.note*) }}' > %t.nonote.script
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# RUN: ld.lld %t.o --gc-sections -T %t.nonote.script -o %t.nonote
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# RUN: llvm-readobj -S %t.nonote | FileCheck %s --check-prefix=NONOTE --implicit-check-not='Name: .note'
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# NONOTE: Name: .ARM.exidx
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# NONOTE: Name: .text
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.section .text._start,"axG",%progbits,_start,comdat
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.globl _start
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_start:
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.fnstart
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.cantunwind
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bx lr
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.fnend
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.section .note._start,"G",%note,_start,comdat
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.byte 0
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