forked from OSchip/llvm-project
106 lines
3.4 KiB
ArmAsm
106 lines
3.4 KiB
ArmAsm
# REQUIRES: x86
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## Check that group members are retained or discarded as a unit, and
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## non-SHF_ALLOC sections in a group are subject to garbage collection,
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## if at least one member has the SHF_ALLOC flag.
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld --gc-sections %t.o -o %t.dead
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# RUN: llvm-readobj -S %t.dead | FileCheck %s --check-prefix=CHECK-DEAD
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## .mynote.ccc is retained because it is not in a group.
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# CHECK-DEAD-NOT: Name: .myanote.aaa
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# CHECK-DEAD-NOT: Name: .mytext.aaa
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# CHECK-DEAD-NOT: Name: .mybss.aaa
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# CHECK-DEAD-NOT: Name: .mynote.aaa
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# CHECK-DEAD-NOT: Name: .myanote.bbb
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# CHECK-DEAD-NOT: Name: .mytext.bbb
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# CHECK-DEAD-NOT: Name: .mybss.bbb
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# CHECK-DEAD-NOT: Name: .mynote.bbb
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# CHECK-DEAD: Name: .mynote.ccc
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# RUN: ld.lld --gc-sections %t.o -o %t -e anote_aaa
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-GROUP
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# RUN: ld.lld --gc-sections %t.o -o %t -e aaa
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-GROUP
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# RUN: ld.lld --gc-sections %t.o -o %t -e bss_aaa
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-GROUP
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## note_zero as the entry point does not make much sense because it is defined
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## in a non-SHF_ALLOC section. This is just to demonstrate the behavior.
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# RUN: ld.lld --gc-sections %t.o -o %t -e note_aaa
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-GROUP
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# CHECK-LIVE-GROUP: Name: .myanote.aaa
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# CHECK-LIVE-GROUP: Name: .mytext.aaa
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# CHECK-LIVE-GROUP: Name: .mybss.aaa
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# CHECK-LIVE-GROUP: Name: .mynote.aaa
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# CHECK-LIVE-GROUP-NOT: Name: .myanote.bbb
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# CHECK-LIVE-GROUP-NOT: Name: .mytext.bbb
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# CHECK-LIVE-GROUP-NOT: Name: .mybss.bbb
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# CHECK-LIVE-GROUP-NOT: Name: .mynote.bbb
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# CHECK-LIVE-GROUP: Name: .mynote.ccc
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# RUN: ld.lld --gc-sections %t.o -o %t -e anote_bbb
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-COMDAT
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# RUN: ld.lld --gc-sections %t.o -o %t -e bbb
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-COMDAT
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# RUN: ld.lld --gc-sections %t.o -o %t -e bss_bbb
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-COMDAT
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## note_bbb as the entry point does not make much sense because it is defined
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## in a non-SHF_ALLOC section. This is just to demonstrate the behavior.
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# RUN: ld.lld --gc-sections %t.o -o %t -e note_bbb
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# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE-COMDAT
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# CHECK-LIVE-COMDAT-NOT: Name: .myanote.aaa
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# CHECK-LIVE-COMDAT-NOT: Name: .mytext.aaa
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# CHECK-LIVE-COMDAT-NOT: Name: .mybss.aaa
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# CHECK-LIVE-COMDAT-NOT: Name: .mynote.aaa
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# CHECK-LIVE-COMDAT: Name: .myanote.bbb
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# CHECK-LIVE-COMDAT: Name: .mytext.bbb
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# CHECK-LIVE-COMDAT: Name: .mybss.bbb
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# CHECK-LIVE-COMDAT: Name: .mynote.bbb
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# CHECK-LIVE-COMDAT: Name: .mynote.ccc
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## These sections are in a zero flag group `aaa`.
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.globl anote_aaa, aaa, bss_aaa, note_aaa
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.section .myanote.aaa,"aG",@note,aaa
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anote_aaa:
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.byte 0
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.section .mytext.aaa,"axG",@progbits,aaa
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aaa:
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.byte 0
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.section .mybss.aaa,"awG",@nobits,aaa
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bss_aaa:
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.byte 0
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.section .mynote.aaa,"G",@note,aaa
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note_aaa:
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.byte 0
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## These sections are in a COMDAT group `bbb`.
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.globl anote_bbb, bbb, bss_bbb, note_bbb
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.section .myanote.bbb,"aG",@note,bbb,comdat
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anote_bbb:
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.byte 0
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.section .mytext.bbb,"axG",@progbits,bbb,comdat
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bbb:
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.byte 0
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.section .mybss.bbb,"awG",@nobits,bbb,comdat
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bss_bbb:
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.byte 0
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.section .mynote.bbb,"G",@note,bbb,comdat
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note_bbb:
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.byte 0
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## This section isn't in any group.
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.section .mynote.ccc,"",@note
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.byte 0
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