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# REQUIRES: x86
## This tests that we can link against these synthetic symbols even
## if they are not in the symbol table.
# RUN: rm -rf %t; split-file %s %t
## Test that in a dylib, we can link against __mh_dylib_header
## (but not in other types of files)
# RUN: llvm-mc %t/dylib.s -triple=x86_64-apple-macos10.15 -filetype=obj -o %t/dylib.o
# RUN: %lld -dylib -dead_strip %t/dylib.o -o %t/dylib.out
# RUN: llvm-objdump -m --syms %t/dylib.out | FileCheck %s --check-prefix DYLIB
# RUN: not %lld -o /dev/null %t/dylib.o 2>&1 | FileCheck %s --check-prefix ERR-DYLIB
# DYLIB: SYMBOL TABLE:
# DYLIB-NEXT: {{[0-9a-f]+}} g F __TEXT,__text _main
# DYLIB-NEXT-EMPTY:
# ERR-DYLIB: error: undefined symbol: __mh_dylib_header
## Test that in an executable, we can link against __mh_execute_header
# RUN: llvm-mc %t/main.s -triple=x86_64-apple-macos10.15 -filetype=obj -o %t/exec.o
# RUN: %lld -dead_strip -lSystem %t/exec.o -o %t/exec.out
## But it would be an error trying to reference __mh_execute_header in a dylib
# RUN: not %lld -o /dev/null -dylib %t/exec.o 2>&1 | FileCheck %s --check-prefix ERR-EXEC
# ERR-EXEC: error: undefined symbol: __mh_execute_header
#--- main.s
.text
.globl _main
_main:
mov __mh_execute_header@GOTPCREL(%rip), %rax
ret
.subsections_via_symbols
#--- dylib.s
.text
.globl _main
_main:
mov __mh_dylib_header@GOTPCREL(%rip), %rax
ret
.subsections_via_symbols
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