forked from OSchip/llvm-project
55 lines
1.7 KiB
ArmAsm
55 lines
1.7 KiB
ArmAsm
# REQUIRES: x86
|
|
## Check that group members are retained or discarded as a unit, and
|
|
## non-SHF_ALLOC sections in a group are subject to garbage collection,
|
|
## if at least one member has the SHF_ALLOC flag.
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
|
|
# RUN: ld.lld --gc-sections %t.o -o %t.dead
|
|
# RUN: llvm-readobj -S %t.dead | FileCheck %s --check-prefix=CHECK-DEAD
|
|
|
|
## .mynote.bar is retained because it is not in a group.
|
|
# CHECK-DEAD-NOT: Name: .myanote.foo
|
|
# CHECK-DEAD-NOT: Name: .mytext.foo
|
|
# CHECK-DEAD-NOT: Name: .mybss.foo
|
|
# CHECK-DEAD-NOT: Name: .mynote.foo
|
|
# CHECK-DEAD: Name: .mynote.bar
|
|
|
|
# RUN: ld.lld --gc-sections %t.o -o %t -e anote_foo
|
|
# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE
|
|
# RUN: ld.lld --gc-sections %t.o -o %t -e foo
|
|
# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE
|
|
# RUN: ld.lld --gc-sections %t.o -o %t -e bss_foo
|
|
# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE
|
|
|
|
## note_foo as the entry point does not make much sense because it is defined
|
|
## in a non-SHF_ALLOC section. This is just to demonstrate the behavior.
|
|
# RUN: ld.lld --gc-sections %t.o -o %t -e note_foo
|
|
# RUN: llvm-readobj -S %t | FileCheck %s --check-prefix=CHECK-LIVE
|
|
|
|
# CHECK-LIVE: Name: .myanote.foo
|
|
# CHECK-LIVE: Name: .mytext.foo
|
|
# CHECK-LIVE: Name: .mybss.foo
|
|
# CHECK-LIVE: Name: .mynote.foo
|
|
# CHECK-LIVE: Name: .mynote.bar
|
|
|
|
.globl anote_foo, foo, bss_foo, note_foo
|
|
|
|
.section .myanote.foo,"aG",@note,foo,comdat
|
|
anote_foo:
|
|
.byte 0
|
|
|
|
.section .mytext.foo,"axG",@progbits,foo,comdat
|
|
foo:
|
|
.byte 0
|
|
|
|
.section .mybss.foo,"awG",@nobits,foo,comdat
|
|
bss_foo:
|
|
.byte 0
|
|
|
|
.section .mynote.foo,"G",@note,foo,comdat
|
|
note_foo:
|
|
.byte 0
|
|
|
|
.section .mynote.bar,"",@note
|
|
.byte 0
|