| # REQUIRES: x86 |
| # RUN: rm -rf %t; split-file %s %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/foo.s -o %t/foo.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/c-string-literal.s -o %t/c-string-literal.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/baz.s -o %t/baz.o |
| |
| # RUN: llvm-ar --format=darwin crs %t/libfoo.a %t/foo.o |
| # RUN: %lld -dylib %t/baz.o -o %t/libbaz.dylib |
| # RUN: %lld -demangle -map %t/map %t/test.o -force_load %t/libfoo.a \ |
| # RUN: %t/c-string-literal.o %t/libbaz.dylib --time-trace -o %t/test \ |
| # RUN: --no-deduplicate-strings |
| # RUN: llvm-objdump --syms --section-headers %t/test > %t/objdump |
| ## Check that symbols in cstring sections aren't emitted |
| ## Also check that we don't have redundant EH_Frame symbols (regression test) |
| # RUN: cat %t/objdump %t/map | FileCheck %s --implicit-check-not _hello_world \ |
| # RUN: --implicit-check-not EH_Frame |
| # RUN: FileCheck %s --check-prefix=MAPFILE < %t/test.time-trace |
| |
| # CHECK: Sections: |
| # CHECK-NEXT: Idx Name Size VMA Type |
| # CHECK-NEXT: 0 __text 0000001c [[#%x,TEXT:]] TEXT |
| # CHECK-NEXT: 1 __stubs 0000000c [[#%x,STUBS:]] TEXT |
| # CHECK-NEXT: 2 __stub_helper 0000001a [[#%x,HELPER:]] TEXT |
| # CHECK-NEXT: 3 __cstring 0000002b [[#%x,CSTR:]] DATA |
| # CHECK-NEXT: 4 __unwind_info 0000103c [[#%x,UNWIND:]] DATA |
| # CHECK-NEXT: 5 __eh_frame 00000038 [[#%x,EH_FRAME:]] DATA |
| # CHECK-NEXT: 6 __got 00000010 [[#%x,GOT:]] DATA |
| # CHECK-NEXT: 7 __la_symbol_ptr 00000010 [[#%x,LAZY:]] DATA |
| # CHECK-NEXT: 8 __data 00000008 [[#%x,DATA:]] DATA |
| # CHECK-NEXT: 9 __thread_ptrs 00000008 [[#%x,TLVP:]] DATA |
| # CHECK-NEXT: 10 __common 00000001 [[#%x,BSS:]] BSS |
| |
| # CHECK: SYMBOL TABLE: |
| # CHECK-DAG: [[#%x,DYLD:]] l O __DATA,__data __dyld_private |
| # CHECK-DAG: [[#%x,MAIN:]] g F __TEXT,__text _main |
| # CHECK-DAG: [[#%x,NUMBER:]] g O __DATA,__common _number |
| # CHECK-DAG: [[#%x,BAR:]] w F __TEXT,__text _bar |
| # CHECK-DAG: [[#%x,FOO:]] g F __TEXT,__text __ZTIN3foo3bar4MethE |
| # CHECK-DAG: [[#%x,HIWORLD:]] g O __TEXT,__cstring _hello_world |
| # CHECK-DAG: [[#%x,HIITSME:]] g O __TEXT,__cstring _hello_its_me |
| |
| # CHECK: # Path: {{.*}}{{/|\\}}map-file.s.tmp/test |
| # CHECK-NEXT: # Arch: x86_64 |
| # CHECK-NEXT: # Object files: |
| # CHECK-NEXT: [ 0] linker synthesized |
| # CHECK-NEXT: [ 1] {{.*}}{{/|\\}}usr/lib{{/|\\}}libSystem.tbd{{$}} |
| # CHECK-NEXT: [ 2] {{.*}}{{/|\\}}map-file.s.tmp/test.o{{$}} |
| # CHECK-NEXT: [ 3] {{.*}}{{/|\\}}map-file.s.tmp/libfoo.a(foo.o){{$}} |
| # CHECK-NEXT: [ 4] {{.*}}{{/|\\}}map-file.s.tmp/c-string-literal.o{{$}} |
| # CHECK-NEXT: [ 5] {{.*}}{{/|\\}}map-file.s.tmp/libbaz.dylib{{$}} |
| |
| # CHECK-NEXT: # Sections: |
| # CHECK-NEXT: # Address Size Segment Section |
| # CHECK-NEXT: 0x[[#%X,TEXT]] 0x{{[0-9A-F]+}} __TEXT __text |
| # CHECK-NEXT: 0x[[#%X,STUBS]] 0x{{[0-9A-F]+}} __TEXT __stubs |
| # CHECK-NEXT: 0x[[#%X,HELPER]] 0x{{[0-9A-F]+}} __TEXT __stub_helper |
| # CHECK-NEXT: 0x[[#%X,CSTR]] 0x{{[0-9A-F]+}} __TEXT __cstring |
| # CHECK-NEXT: 0x[[#%X,UNWIND]] 0x{{[0-9A-F]+}} __TEXT __unwind_info |
| # CHECK-NEXT: 0x[[#%X,EH_FRAME]] 0x{{[0-9A-F]+}} __TEXT __eh_frame |
| # CHECK-NEXT: 0x[[#%X,GOT]] 0x{{[0-9A-F]+}} __DATA_CONST __got |
| # CHECK-NEXT: 0x[[#%X,LAZY]] 0x{{[0-9A-F]+}} __DATA __la_symbol_ptr |
| # CHECK-NEXT: 0x[[#%X,DATA]] 0x{{[0-9A-F]+}} __DATA __data |
| # CHECK-NEXT: 0x[[#%X,TLVP]] 0x{{[0-9A-F]+}} __DATA __thread_ptrs |
| # CHECK-NEXT: 0x[[#%X,BSS]] 0x{{[0-9A-F]+}} __DATA __common |
| |
| # CHECK-NEXT: # Symbols: |
| # CHECK-NEXT: # Address Size File Name |
| # CHECK-NEXT: 0x[[#%X,MAIN]] 0x00000019 [ 2] _main |
| # CHECK-NEXT: 0x[[#%X,BAR]] 0x00000001 [ 2] _bar |
| # CHECK-NEXT: 0x[[#%X,FOO]] 0x00000001 [ 3] __ZTIN3foo3bar4MethE |
| # CHECK-NEXT: 0x[[#%X,FOO+1]] 0x00000001 [ 3] ltmp1 |
| # CHECK-NEXT: 0x[[#%X,STUBS]] 0x00000006 [ 5] _baz |
| # CHECK-NEXT: 0x[[#%X,STUBS+6]] 0x00000006 [ 2] _bar |
| # CHECK-NEXT: 0x[[#%X,HELPER]] 0x0000001A [ 0] helper helper |
| # CHECK-NEXT: 0x[[#%X,HIWORLD]] 0x0000000E [ 4] literal string: Hello world!\n |
| # CHECK-NEXT: 0x[[#%X,HIITSME]] 0x0000000F [ 4] literal string: Hello, it's me |
| # CHECK-NEXT: 0x[[#%X,HIITSME+0xf]] 0x0000000E [ 4] literal string: Hello world!\n |
| # CHECK-NEXT: 0x[[#%X,UNWIND]] 0x0000103C [ 0] compact unwind info |
| ## Note: ld64 prints "CIE" and "FDE for: <function>" instead of "EH_Frame". |
| # CHECK-NEXT: 0x[[#%X,EH_FRAME]] 0x00000018 [ 2] EH_Frame |
| # CHECK-NEXT: 0x[[#%X,EH_FRAME+0x18]] 0x00000020 [ 2] EH_Frame |
| # CHECK-NEXT: 0x[[#%X,GOT]] 0x00000008 [ 0] non-lazy-pointer-to-local: _baz2 |
| # CHECK-NEXT: 0x[[#%X,GOT+8]] 0x00000008 [ 0] non-lazy-pointer-to-local: dyld_stub_binder |
| # CHECK-NEXT: 0x[[#%X,LAZY]] 0x00000008 [ 5] _baz |
| # CHECK-NEXT: 0x[[#%X,LAZY+8]] 0x00000008 [ 2] _bar |
| # CHECK-NEXT: 0x[[#%X,DYLD]] 0x00000000 [ 0] __dyld_private |
| # CHECK-NEXT: 0x[[#%X,TLVP]] 0x00000008 [ 0] non-lazy-pointer-to-local: _baz_tlv |
| # CHECK-NEXT: 0x[[#%X,BSS]] 0x00000001 [ 2] _number |
| # CHECK-EMPTY: |
| |
| # MAPFILE: "name":"Total Write map file" |
| |
| # RUN: %lld -demangle -dead_strip -map %t/stripped-map %t/test.o -force_load \ |
| # RUN: %t/libfoo.a %t/c-string-literal.o %t/libbaz.dylib -o %t/stripped |
| # RUN: FileCheck --check-prefix=STRIPPED %s < %t/stripped-map |
| |
| # STRIPPED-LABEL: Dead Stripped Symbols: |
| # STRIPPED-DAG: <<dead>> 0x00000001 [ 2] _number |
| # STRIPPED-DAG: <<dead>> 0x00000001 [ 3] __ZTIN3foo3bar4MethE |
| # STRIPPED-DAG: <<dead>> 0x0000000E [ 4] literal string: Hello world!\n |
| # STRIPPED-DAG: <<dead>> 0x0000000F [ 4] literal string: Hello, it's me |
| # STRIPPED-DAG: <<dead>> 0x0000000E [ 4] literal string: Hello world!\n |
| |
| # RUN: %lld --icf=all -map %t/icf-map %t/test.o -force_load %t/libfoo.a \ |
| # RUN: %t/c-string-literal.o %t/libbaz.dylib -o /dev/null |
| # RUN: FileCheck --check-prefix=ICF %s < %t/icf-map |
| |
| ## Verify that folded symbols and cstrings have size zero. Note that ld64 prints |
| ## folded symbols but not folded cstrings; we print both. |
| |
| # ICF: Symbols: |
| # ICF-DAG: 0x[[#%X,FOO:]] 0x00000000 [ 3] __ZTIN3foo3bar4MethE |
| # ICF-DAG: 0x[[#FOO]] 0x00000001 [ 2] _bar |
| # ICF-DAG: 0x[[#%X,HIWORLD:]] 0x0000000E [ 4] literal string: Hello world!\n |
| # ICF-DAG: 0x[[#%X,HIWORLD]] 0x00000000 [ 4] literal string: Hello world!\n |
| |
| #--- foo.s |
| .globl __ZTIN3foo3bar4MethE |
| ## This should not appear in the map file since it is a zero-size private label |
| ## symbol. |
| ltmp0: |
| ## This C++ symbol makes it clear that we do not print the demangled name in |
| ## the map file, even if `-demangle` is passed. |
| __ZTIN3foo3bar4MethE: |
| nop |
| |
| ## This private label symbol will appear in the map file since it has nonzero |
| ## size. |
| ltmp1: |
| nop |
| |
| .subsections_via_symbols |
| |
| #--- test.s |
| .comm _number, 1 |
| .globl _main, _bar |
| .weak_definition _bar |
| |
| _main: |
| .cfi_startproc |
| .cfi_def_cfa_offset 16 |
| callq _bar |
| callq _baz |
| movq _baz2@GOTPCREL(%rip), %rax |
| mov _baz_tlv@TLVP(%rip), %rax |
| ret |
| .cfi_endproc |
| |
| _bar: |
| nop |
| |
| .subsections_via_symbols |
| |
| #--- c-string-literal.s |
| .globl _hello_world, _hello_its_me |
| |
| .cstring |
| |
| _hello_world: |
| .asciz "Hello world!\n" |
| |
| _hello_its_me: |
| .asciz "Hello, it's me" |
| |
| .asciz "Hello world!\n" |
| |
| .subsections_via_symbols |
| |
| #--- baz.s |
| .globl _baz, _baz2 |
| |
| _baz: |
| nop |
| |
| _baz2: |
| nop |
| |
| .section __DATA,__thread_vars,thread_local_variables |
| .globl _baz_tlv |
| _baz_tlv: |
| nop |