378 lines
12 KiB
ArmAsm
378 lines
12 KiB
ArmAsm
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## Tests that lld-macho can handle the case where personality symbols with the same name
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## are both from a dylib and locally defined in an object file.
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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 -emit-compact-unwind-non-canonical=true -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/user_2.s -o %t/user_2.o
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# RUN: llvm-mc -emit-compact-unwind-non-canonical=true -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/user_3.s -o %t/user_3.o
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## Test case for linking 3+ personaltiies (all globals) without crashing because all the non-canonical are DWARFs
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# RUN: llvm-mc -emit-compact-unwind-non-canonical=false -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/user_4.s -o %t/user_4.o
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# RUN: yaml2obj %t/combined.yaml > %t/combined.o
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## Pre-condition: check that ___gxx_personality_v0 really is locally defined in combined.o before we proceed.
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# RUN: llvm-nm %t/combined.o | grep '___gxx_personality_v0' | FileCheck %s --check-prefix=PRECHECK
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# PRECHECK: {{.*}} t ___gxx_personality_v0
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# PRECHECK-NOT: {{.*}} U ___gxx_personality_v0
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# PRECHECK-NOT: {{.*}} T ___gxx_personality_v0
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## check that we can link with 4 personalities without crashing:
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## ___gxx_personality_v0 (libc++.tbd), ___gxx_personality_v0(local), _personality_1, and _personality_2
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# RUN: %lld -lSystem -lc++ %t/user_2.o %t/combined.o -o %t/a.out
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## ___gxx_personality_v0 (global), ___gxx_personality_v0(libc++.tbd), _personality_1, and _personality_2
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# RUN: %lld -lSystem -lc++ %t/user_3.o %t/user_2.o -o %t/b.out
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## ___gxx_personality_v0 (global), ___gxx_personality_v0(local), _personality_1, and _personality_2
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# RUN: %lld -lSystem -dylib %t/user_3.o %t/combined.o %t/user_2.o -o %t/c.out
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## check that we can link with 3+ personalities without crashing because
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## non-canonical personalities are dwarf.
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## This has ___gxx_personality_v0(global), ___gxx_personality_v0(local), and _personality_{1,2,3,4}
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## Only the ___gxx_personality_v0(global) should have compact-unwind. The rest should have DWARFs.
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# RUN: %lld -lSystem -lc++ %t/user_4.o %t/combined.o -o %t/d.out
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## Postlink checks.
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# RUN: llvm-nm %t/a.out | FileCheck %s --check-prefix=POSTCHECK
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# POSTCHECK: {{.*}} U ___gxx_personality_v0
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# POSTCHECK: {{.*}} t ___gxx_personality_v0
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# RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/a.out | FileCheck %s --check-prefixes=A,CHECK -D#%x,OFF=0x100000000
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# RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/b.out | FileCheck %s --check-prefixes=BC,CHECK -D#%x,OFF=0x100000000
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# RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/c.out | FileCheck %s --check-prefixes=BC,C,CHECK -D#%x,OFF=0
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# RUN: llvm-objdump --macho --indirect-symbols --unwind-info --bind %t/d.out | FileCheck %s --check-prefixes=D -D#%x,OFF=0x100000000
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# A: Indirect symbols for (__DATA_CONST,__got)
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# A-NEXT: address index name
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# A: 0x[[#%x,GXX_PERSONALITY_LO:]] [[#]] ___gxx_personality_v0
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# A: 0x[[#%x,GXX_PERSONALITY_HI:]] [[#]] ___gxx_personality_v0
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# A: 0x[[#%x,PERSONALITY_1:]] LOCAL
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# A: 0x[[#%x,PERSONALITY_2:]] LOCAL
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# BC: Indirect symbols for (__DATA_CONST,__got)
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# BC-NEXT: address index name
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# C: 0x[[#%x,GXX_PERSONALITY_HI:]] LOCAL
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# BC: 0x[[#%x,GXX_PERSONALITY_LO:]] LOCAL
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# BC: 0x[[#%x,PERSONALITY_1:]] LOCAL
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# BC: 0x[[#%x,PERSONALITY_2:]] LOCAL
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# CHECK: Personality functions: (count = 3)
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# CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#GXX_PERSONALITY_LO-OFF]]
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# CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#PERSONALITY_1-OFF]]
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# CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#PERSONALITY_2-OFF]]
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# A: Bind table
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# A-NEXT: segment section address type addend dylib symbol
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# A-NEXT: __DATA_CONST __got 0x[[#GXX_PERSONALITY_LO-0]] pointer 0 libc++abi ___gxx_personality_v0
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# D: Indirect symbols for (__DATA_CONST,__got)
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# D-NEXT: address index name
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# D: 0x[[#%x,GXX_PERSONALITY_HI:]] [[#]] ___gxx_personality_v0
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# D: 0x[[#%x,PERSONALITY_1:]] [[#]] _personality_1
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# D: 0x[[#%x,PERSONALITY_2:]] [[#]] _personality_2
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# D: 0x[[#%x,PERSONALITY_3:]] [[#]] _personality_3
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# D: 0x[[#%x,PERSONALITY_4:]] [[#]] _personality_4
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# D: 0x[[#%x,GXX_PERSONALITY_LO:]] [[#]] ___gxx_personality_v0
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# D: Contents of __unwind_info section:
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# D: Personality functions: (count = 1)
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personality[1]: 0x{{0*}}[[#GXX_PERSONALITY_HI-OFF]]
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# D: Bind table:
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# D: segment section address type addend dylib symbol
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# D: __DATA_CONST __got 0x[[#GXX_PERSONALITY_HI-0]] pointer 0 libc++abi ___gxx_personality_v0
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## Error cases.
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## Check that dylib symbols are picked (which means without libc++, we'd get an undefined symbol error.
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# RUN: not %lld -lSystem %t/user_2.o %t/combined.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERRORCHECK
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# ERRORCHECK: {{.*}} undefined symbol: ___gxx_personality_v0
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#--- user_4.s
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.globl _main, _personality_1, _personality_2, _personality_3, _personality_4
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.text
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_baz1:
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.cfi_startproc
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.cfi_personality 155, _personality_1
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_baz2:
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.cfi_startproc
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.cfi_personality 155, _personality_2
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_baz3:
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.cfi_startproc
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.cfi_personality 155, _personality_3
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_baz4:
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.cfi_startproc
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.cfi_personality 155, _personality_4
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_main:
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.cfi_startproc
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.cfi_personality 155, ___gxx_personality_v0
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_personality_1:
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retq
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_personality_2:
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retq
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_personality_3:
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retq
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_personality_4:
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retq
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#--- user_3.s
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.globl _baz3
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.private_extern ___gxx_personality_v0
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.text
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_baz3:
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.cfi_startproc
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.cfi_personality 155, ___gxx_personality_v0
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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.text
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.no_dead_strip ___gxx_personality_v0
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___gxx_personality_v0:
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nop
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.subsections_via_symbols
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#--- user_2.s
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.globl _main, _personality_1, _personality_2
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.text
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_bar:
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.cfi_startproc
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.cfi_personality 155, _personality_1
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_baz:
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.cfi_startproc
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.cfi_personality 155, _personality_2
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_main:
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.cfi_startproc
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.cfi_personality 155, ___gxx_personality_v0
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.cfi_def_cfa_offset 16
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retq
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.cfi_endproc
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_personality_1:
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retq
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_personality_2:
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retq
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## This yaml was created from the combined.o object file described in this comment:
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## https://reviews.llvm.org/D107533#2935217
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#--- combined.yaml
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--- !mach-o
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FileHeader:
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filetype: 0x1
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|
|
n_value: 8
|
||
|
|
- n_strx: 29
|
||
|
|
n_type: 0xE
|
||
|
|
n_sect: 2
|
||
|
|
n_desc: 0
|
||
|
|
n_value: 32
|
||
|
|
- n_strx: 39
|
||
|
|
n_type: 0xE
|
||
|
|
n_sect: 2
|
||
|
|
n_desc: 0
|
||
|
|
n_value: 60
|
||
|
|
- n_strx: 2
|
||
|
|
n_type: 0xF
|
||
|
|
n_sect: 1
|
||
|
|
n_desc: 0
|
||
|
|
n_value: 4
|
||
|
|
StringTable:
|
||
|
|
- ' '
|
||
|
|
- _foo
|
||
|
|
- ___gxx_personality_v0
|
||
|
|
- EH_Frame1
|
||
|
|
- func.eh
|
||
|
|
- ''
|
||
|
|
...
|