1# REQUIRES: x86 2# RUN: rm -rf %t; split-file %s %t 3# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/not-main.s -o %t/not-main.o 4# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o 5# RUN: %lld -lSystem -dylib %t/libfoo.o -o %t/libfoo.dylib 6 7# RUN: %lld -lSystem -o %t/not-main %t/not-main.o -e _not_main 8# RUN: llvm-objdump --macho --all-headers --syms %t/not-main | FileCheck %s 9 10# CHECK-LABEL: SYMBOL TABLE 11# CHECK: {{0*}}[[#%x, ENTRY_ADDR:]] {{.*}} __TEXT,__text _not_main 12 13# CHECK: sectname __text 14# CHECK-NEXT: segname __TEXT 15## Note: the following checks assume that the entry symbol is right at the 16## beginning of __text. 17# CHECK-NEXT: addr 0x{{0*}}[[#ENTRY_ADDR]] 18# CHECK-NEXT: size 19# CHECK-NEXT: offset [[#ENTRYOFF:]] 20# CHECK: cmd LC_MAIN 21# CHECK-NEXT: cmdsize 24 22# CHECK-NEXT: entryoff [[#ENTRYOFF]] 23 24# RUN: %lld -lSystem -o %t/dysym-main %t/not-main.o %t/libfoo.dylib -e _dysym_main 25# RUN: llvm-objdump --macho --all-headers --indirect-symbols --lazy-bind %t/dysym-main | FileCheck %s --check-prefix=DYSYM -DDYLIB=libfoo 26 27# RUN: %lld -lSystem -o %t/dyn-lookup %t/not-main.o -e _dysym_main -undefined dynamic_lookup 28# RUN: llvm-objdump --macho --all-headers --indirect-symbols --lazy-bind %t/dyn-lookup | FileCheck %s --check-prefix=DYSYM -DDYLIB=flat-namespace 29 30# DYSYM-LABEL: Indirect symbols for (__TEXT,__stubs) 1 entries 31# DYSYM-NEXT: address index name 32# DYSYM-NEXT: 0x[[#%x,DYSYM_ENTRY_ADDR:]] [[#]] _dysym_main 33# DYSYM-LABEL: cmd LC_MAIN 34# DYSYM-NEXT: cmdsize 24 35# DYSYM-NEXT: entryoff [[#%u, DYSYM_ENTRY_ADDR - 0x100000000]] 36# DYSYM-LABEL: Lazy bind table: 37# DYSYM-NEXT: segment section address dylib symbol 38# DYSYM-NEXT: __DATA __la_symbol_ptr {{.*}} [[DYLIB]] _dysym_main 39 40# RUN: %lld -lSystem -o %t/weak-dysym-main %t/not-main.o %t/libfoo.dylib -e _weak_dysym_main 41# RUN: llvm-objdump --macho --all-headers --indirect-symbols --bind --weak-bind %t/weak-dysym-main | FileCheck %s --check-prefix=WEAK-DYSYM 42# WEAK-DYSYM-LABEL: Indirect symbols for (__TEXT,__stubs) 1 entries 43# WEAK-DYSYM-NEXT: address index name 44# WEAK-DYSYM-NEXT: 0x[[#%x,DYSYM_ENTRY_ADDR:]] [[#]] _weak_dysym_main 45# WEAK-DYSYM: cmd LC_MAIN 46# WEAK-DYSYM-NEXT: cmdsize 24 47# WEAK-DYSYM-NEXT: entryoff [[#%u, DYSYM_ENTRY_ADDR - 0x100000000]] 48# WEAK-DYSYM-LABEL: Bind table: 49# WEAK-DYSYM-NEXT: segment section address type addend dylib symbol 50# WEAK-DYSYM: __DATA __la_symbol_ptr {{.*}} pointer 0 libfoo _weak_dysym_main 51# WEAK-DYSYM-LABEL: Weak bind table: 52# WEAK-DYSYM-NEXT: segment section address type addend symbol 53# WEAK-DYSYM-NEXT: __DATA __la_symbol_ptr {{.*}} pointer 0 _weak_dysym_main 54 55# RUN: %lld -dylib -lSystem -o %t/dysym-main.dylib %t/not-main.o %t/libfoo.dylib -e _dysym_main 56# RUN: llvm-objdump --macho --indirect-symbols --lazy-bind %t/dysym-main.dylib | FileCheck %s --check-prefix=DYLIB-NO-MAIN 57# DYLIB-NO-MAIN-NOT: _dysym_main 58 59# RUN: not %lld -o /dev/null %t/not-main.o -e _missing 2>&1 | FileCheck %s --check-prefix=UNDEFINED 60# UNDEFINED: error: undefined symbol: _missing 61# RUN: not %lld -o /dev/null %t/not-main.o 2>&1 | FileCheck %s --check-prefix=DEFAULT-ENTRY 62# DEFAULT-ENTRY: error: undefined symbol: _main 63# DEFAULT-ENTRY-NEXT: >>> referenced by the entry point 64 65#--- libfoo.s 66.text 67.global _dysym_main, _weak_dysym_main 68.weak_definition _weak_dysym_main 69_dysym_main: 70 ret 71 72_weak_dysym_main: 73 ret 74 75#--- not-main.s 76.text 77.global _not_main 78_not_main: 79 ret 80