# REQUIRES: x86 # RUN: rm -rf %t; split-file %s %t # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libtlv.s -o %t/libtlv.o # RUN: %lld -dylib -install_name @executable_path/libtlv.dylib \ # RUN: -lSystem -o %t/libtlv.dylib %t/libtlv.o # RUN: llvm-objdump --macho --exports-trie --rebase %t/libtlv.dylib | \ # RUN: FileCheck %s --check-prefix=DYLIB # DYLIB-DAG: _foo [per-thread] # DYLIB-DAG: _bar [per-thread] ## Make sure we don't emit rebase opcodes for relocations in __thread_vars. # DYLIB: Rebase table: # DYLIB-NEXT: segment section address type # DYLIB-EMPTY: # RUN: %lld -dylib -install_name @executable_path/libtlv.dylib \ # RUN: -lSystem -fixup_chains -o %t/libtlv.dylib %t/libtlv.o ## Make sure we don't emit fixups in __thread_vars. # RUN: llvm-objdump --macho --chained-fixups %t/libtlv.dylib | \ # RUN: FileCheck %s --check-prefix=CHAINED # CHAINED-NOT: __thread_vars # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o # RUN: %lld -lSystem -L%t -ltlv %t/test.o -o %t/test # RUN: llvm-objdump --no-print-imm-hex --bind -d --no-show-raw-insn %t/test | FileCheck %s # CHECK: movq [[#]](%rip), %rax ## 0x[[#%x, FOO:]] # CHECK-NEXT: movq [[#]](%rip), %rax ## 0x[[#%x, BAR:]] # CHECK-NEXT: movq [[#]](%rip), %rax ## 0x[[#%x, BAZ:]] # CHECK-LABEL: Bind table: # CHECK-DAG: __DATA __thread_ptrs 0x{{0*}}[[#%x, FOO]] pointer 0 libtlv _foo # CHECK-DAG: __DATA __thread_ptrs 0x{{0*}}[[#%x, BAR]] pointer 0 libtlv _bar # CHECK-DAG: __DATA_CONST __got 0x{{0*}}[[#%x, BAZ]] pointer 0 libtlv _baz ## Check `type` on the various TLV sections, and check that ## nothing's after S_THREAD_LOCAL_ZEROFILL. # RUN: llvm-otool -lv %t/test | FileCheck --check-prefix=FLAGS %s # FLAGS: sectname __got # FLAGS-NEXT: segname __DATA_CONST # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000000008 # FLAGS-NEXT: offset # FLAGS-NEXT: align 2^3 (8) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_NON_LAZY_SYMBOL_POINTERS # FLAGS: sectname __thread_vars # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000000030 # FLAGS-NEXT: offset # FLAGS-NEXT: align 2^3 (8) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_THREAD_LOCAL_VARIABLES # FLAGS: sectname __thread_ptrs # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000000010 # FLAGS-NEXT: offset # FLAGS-NEXT: align 2^3 (8) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_THREAD_LOCAL_VARIABLE_POINTERS # FLAGS: sectname __thread_data # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000000008 # FLAGS-NEXT: offset # FLAGS-NEXT: align # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_THREAD_LOCAL_REGULAR # FLAGS: sectname __thread_bss # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000000008 # FLAGS-NEXT: offset 0 # FLAGS-NEXT: align 2^3 (8) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_THREAD_LOCAL_ZEROFILL # FLAGS: sectname __common # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000004000 # FLAGS-NEXT: offset 0 # FLAGS-NEXT: align 2^14 (16384) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_ZEROFILL # FLAGS: sectname __bss # FLAGS-NEXT: segname __DATA # FLAGS-NEXT: addr # FLAGS-NEXT: size 0x0000000000002000 # FLAGS-NEXT: offset 0 # FLAGS-NEXT: align 2^0 (1) # FLAGS-NEXT: reloff 0 # FLAGS-NEXT: nreloc 0 # FLAGS-NEXT: type S_ZEROFILL #--- libtlv.s .section __DATA,__thread_vars,thread_local_variables .globl _foo, _bar, _baz _foo: _bar: .text _baz: #--- test.s .globl _main _main: mov _foo@TLVP(%rip), %rax mov _bar@TLVP(%rip), %rax ## Add a GOT entry to make sure we don't mix it up with TLVs mov _baz@GOTPCREL(%rip), %rax ret ## Add some TLVs to test too, so that we can test the ordering ## of __thread_ptrs, __thread_data, and __thread_bss. ## Also add a .bss and a .comm for good measure too. Since they ## are both zerofill, they end up after __thread_bss. .comm _com, 0x4000 .bss .zero 0x2000 .section __DATA,__thread_data,thread_local_regular _tfoo$tlv$init: .quad 123 .tbss _tbaz$tlv$init, 8, 3 .section __DATA,__thread_vars,thread_local_variables .globl _tfoo, _tbar _tfoo: .quad __tlv_bootstrap .quad 0 .quad _tfoo$tlv$init _tbaz: .quad __tlv_bootstrap .quad 0 .quad _tbaz$tlv$init