llvm-project/lld/test/MachO/tlv.s

133 lines
4.9 KiB
ArmAsm

# REQUIRES: x86
# RUN: rm -rf %t; split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/regular.s -o %t/regular.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/tbss.s -o %t/tbss.o
# RUN: %lld -lSystem -no_pie -o %t/regular-no-pie %t/regular.o
# RUN: llvm-otool -hv %t/regular-no-pie | FileCheck %s --check-prefix=HEADER
# RUN: llvm-objdump -d --bind --rebase %t/regular-no-pie | FileCheck %s --check-prefixes=REG,LINKEDIT
# RUN: llvm-objdump --macho --section=__DATA,__thread_vars %t/regular-no-pie | \
# RUN: FileCheck %s --check-prefix=REG-TLVP
# RUN: %lld -lSystem %t/regular.o -o %t/regular-pie
# RUN: llvm-otool -hv %t/regular-pie | FileCheck %s --check-prefix=HEADER
# RUN: llvm-objdump -d --bind --rebase %t/regular-pie | FileCheck %s --check-prefixes=REG,LINKEDIT
# RUN: llvm-objdump --macho --section=__DATA,__thread_vars %t/regular-pie | \
# RUN: FileCheck %s --check-prefix=REG-TLVP
# RUN: %lld -lSystem %t/tbss.o -o %t/tbss -e _f
# RUN: llvm-objdump -d --bind --rebase %t/tbss | FileCheck %s --check-prefixes=TBSS,LINKEDIT
# RUN: llvm-objdump --macho --section=__DATA,__thread_vars %t/tbss | \
# RUN: FileCheck %s --check-prefix=TBSS-TLVP
# RUN: %lld -lSystem %t/regular.o %t/tbss.o -o %t/regular-and-tbss
# RUN: llvm-objdump -d --bind --rebase %t/regular-and-tbss | FileCheck %s --check-prefixes=REG,TBSS,LINKEDIT
# RUN: llvm-objdump --macho --section=__DATA,__thread_vars %t/regular-and-tbss | \
# RUN: FileCheck %s --check-prefix=REG-TBSS-TLVP
# RUN: llvm-objdump --section-headers %t/regular-and-tbss | FileCheck %s --check-prefix=SECTIONS
## Check that we always put __thread_bss immediately after __thread_data,
## regardless of the order of the input files.
# RUN: %lld -lSystem %t/tbss.o %t/regular.o -o %t/regular-and-tbss
# RUN: llvm-objdump --section-headers %t/regular-and-tbss | FileCheck %s --check-prefix=SECTIONS
# HEADER: MH_HAS_TLV_DESCRIPTORS
# REG: <_main>:
# REG-NEXT: leaq {{.*}}(%rip), %rax ## {{.*}} <_foo>
# REG-NEXT: leaq {{.*}}(%rip), %rax ## {{.*}} <_bar>
# REG-NEXT: retq
# TBSS: <_f>:
# TBSS-NEXT: leaq {{.*}}(%rip), %rax ## {{.*}} <_baz>
# TBSS-NEXT: leaq {{.*}}(%rip), %rax ## {{.*}} <_qux>
# TBSS-NEXT: leaq {{.*}}(%rip), %rax ## {{.*}} <_hoge>
# TBSS-NEXT: retq
# REG-TLVP: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TLVP-NEXT: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TLVP-NEXT: 00 00 00 00 00 00 00 00 08 00 00 00 00 00 00 00
# TBSS-TLVP: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 08 00 00 00 00 00 00 00
# REG-TBSS-TLVP: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 28 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
# REG-TBSS-TLVP-NEXT: 30 00 00 00 00 00 00 00
## Make sure we don't emit rebase opcodes for relocations in __thread_vars.
# LINKEDIT: Rebase table:
# LINKEDIT-NEXT: segment section address type
# LINKEDIT-EMPTY:
# LINKEDIT-NEXT: Bind table:
# LINKEDIT: __DATA __thread_vars 0x{{[0-9a-f]*}} pointer 0 libSystem __tlv_bootstrap
# LINKEDIT: __DATA __thread_vars 0x{{[0-9a-f]*}} pointer 0 libSystem __tlv_bootstrap
## Make sure we have an odd number of tlv vars, and that the __thread_vars
## section starts 16-bytes aligned. This is the setup required for __thread_data
## not to be automatically 16-bytes aligned, ensuring the linker does its
## expected job of aligning _hoge$tlv$init.
# SECTIONS: __thread_vars {{[0-9]+}}8 {{[0-9]+}}0
# SECTIONS: __thread_data
# SECTIONS: more_thread_data
# SECTIONS-NEXT: __thread_bss
#--- regular.s
.globl _main
_main:
mov _foo@TLVP(%rip), %rax
mov _bar@TLVP(%rip), %rax
ret
.section __DATA,__thread_data,thread_local_regular
_foo$tlv$init:
.quad 123
.section __DATA,more_thread_data,thread_local_regular
_bar$tlv$init:
.quad 123
.section __DATA,__thread_vars,thread_local_variables
.globl _foo, _bar
_foo:
.quad __tlv_bootstrap
.quad 0
.quad _foo$tlv$init
_bar:
.quad __tlv_bootstrap
.quad 0
.quad _bar$tlv$init
#--- tbss.s
.globl _f
_f:
mov _baz@TLVP(%rip), %rax
mov _qux@TLVP(%rip), %rax
mov _hoge@TLVP(%rip), %rax
ret
.tbss _baz$tlv$init, 8, 3
.tbss _qux$tlv$init, 8, 3
.tbss _hoge$tlv$init, 16, 4
.section __DATA,__thread_vars,thread_local_variables
_baz:
.quad __tlv_bootstrap
.quad 0
.quad _baz$tlv$init
_qux:
.quad __tlv_bootstrap
.quad 0
.quad _qux$tlv$init
_hoge:
.quad __tlv_bootstrap
.quad 0
.quad _hoge$tlv$init