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