derek.holloway
7502bf64a4
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172 lines
7.2 KiB
ArmAsm
172 lines
7.2 KiB
ArmAsm
# 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/test.s -o %t/test.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
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# RUN: %lld -dylib %t/libfoo.o -o %t/libfoo.dylib
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# RUN: %lld %t/test.o -L%t -lfoo -o %t/test -lSystem
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# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --rebase --bind --lazy-bind --weak-bind \
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# RUN: --full-contents %t/test | FileCheck --check-prefixes=COMMON,CHECK %s
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# RUN: %lld -fixup_chains %t/test.o -L%t -lfoo -o %t/chained -lSystem
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# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --syms --full-contents %t/chained > %t/chained.objdump
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# RUN: llvm-objdump --no-print-imm-hex --macho --dyld-info %t/chained >> %t/chained.objdump
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# RUN: FileCheck %s --check-prefixes=COMMON,CHAINED < %t/chained.objdump
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# CHAINED: SYMBOL TABLE:
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# CHAINED: [[#%x,WEAK_INT:]] l F __TEXT,__text _weak_internal{{$}}
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# COMMON: Contents of section __DATA_CONST,__got:
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## Check that this section contains a nonzero pointer. It should point to
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## _weak_external_for_gotpcrel.
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# COMMON-NEXT: {{[0-9a-f]+}} {{[0-9a-f ]*[1-9a-f]+[0-9a-f ]*}}
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# CHECK: Contents of section __DATA,__la_symbol_ptr:
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## Check that this section contains a nonzero pointer. It should point to
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## _weak_external_fn, but we don't have a good way of testing the exact value as
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## the bytes here are in little-endian order.
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# CHECK-NEXT: {{[0-9a-f]+}} {{[0-9a-f ]*[1-9a-f]+[0-9a-f ]*}}
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# COMMON-LABEL: <_main>:
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# COMMON-NEXT: movq [[#]](%rip), %rax ## 0x[[#%X,WEAK_DY_GOT_ADDR:]]
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# COMMON-NEXT: movq [[#]](%rip), %rax ## 0x[[#%X,WEAK_EXT_GOT_ADDR:]]
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# COMMON-NEXT: leaq [[#]](%rip), %rax ## 0x[[#%X,WEAK_INT_GOT_ADDR:]]
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# COMMON-NEXT: movq [[#]](%rip), %rax ## 0x[[#%X,WEAK_TLV_ADDR:]]
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# COMMON-NEXT: movq [[#]](%rip), %rax ## 0x[[#%X,WEAK_DY_TLV_ADDR:]]
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# COMMON-NEXT: leaq [[#]](%rip), %rax ## 0x[[#%X,WEAK_INT_TLV_ADDR:]]
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# COMMON-NEXT: callq 0x{{[0-9a-f]*}}
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# COMMON-NEXT: callq 0x{{[0-9a-f]*}}
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# COMMON-NEXT: callq 0x{{[0-9a-f]*}}
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# CHECK-LABEL: Rebase table:
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# CHECK: __DATA __la_symbol_ptr 0x[[#%x,WEAK_EXT_FN:]] pointer
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# CHECK-LABEL: Bind table:
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# CHECK-DAG: __DATA_CONST __got 0x[[#WEAK_DY_GOT_ADDR]] pointer 0 libfoo _weak_dysym_for_gotpcrel
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# CHECK-DAG: __DATA __la_symbol_ptr 0x[[#%x,WEAK_DY_FN:]] pointer 0 libfoo _weak_dysym_fn
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# CHECK-DAG: __DATA __data 0x[[#%x,WEAK_DY:]] pointer 0 libfoo _weak_dysym
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# CHECK-DAG: __DATA __thread_vars 0x{{[0-9a-f]*}} pointer 0 libSystem __tlv_bootstrap
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# CHECK-DAG: __DATA __thread_vars 0x{{[0-9a-f]*}} pointer 0 libSystem __tlv_bootstrap
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# CHECK-DAG: __DATA __thread_ptrs 0x[[#WEAK_DY_TLV_ADDR]] pointer 0 libfoo _weak_dysym_tlv
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## Check that we don't have any other bindings
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# CHECK-EMPTY:
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# CHECK-LABEL: Lazy bind table:
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# CHECK-NEXT: segment section address dylib symbol
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## Verify that we have no lazy bindings
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# CHECK-EMPTY:
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# CHECK-LABEL: Weak bind table:
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# CHECK-DAG: __DATA_CONST __got 0x[[#WEAK_DY_GOT_ADDR]] pointer 0 _weak_dysym_for_gotpcrel
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# CHECK-DAG: __DATA_CONST __got 0x[[#WEAK_EXT_GOT_ADDR]] pointer 0 _weak_external_for_gotpcrel
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# CHECK-DAG: __DATA __data 0x[[#WEAK_DY]] pointer 0 _weak_dysym
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# CHECK-DAG: __DATA __thread_ptrs 0x[[#WEAK_TLV_ADDR]] pointer 0 _weak_tlv
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# CHECK-DAG: __DATA __thread_ptrs 0x[[#WEAK_DY_TLV_ADDR]] pointer 0 _weak_dysym_tlv
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# CHECK-DAG: __DATA __data 0x{{[0-9a-f]*}} pointer 2 _weak_external
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# CHECK-DAG: __DATA __la_symbol_ptr 0x[[#WEAK_DY_FN]] pointer 0 _weak_dysym_fn
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# CHECK-DAG: __DATA __la_symbol_ptr 0x[[#WEAK_EXT_FN]] pointer 0 _weak_external_fn
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## Check that we don't have any other bindings
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# CHECK-EMPTY:
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## Weak internal symbols don't get bindings
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# RUN: llvm-objdump --macho --bind --lazy-bind --weak-bind %t/test | FileCheck %s --check-prefix=WEAK-INTERNAL
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# WEAK-INTERNAL-NOT: _weak_internal
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# WEAK-INTERNAL-NOT: _weak_internal_fn
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# WEAK-INTERNAL-NOT: _weak_internal_tlv
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# CHAINED-LABEL: dyld information:
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# CHAINED-NEXT: segment section address pointer type addend dylib symbol/vm address
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# CHAINED-DAG: __DATA_CONST __got 0x{{[0-9a-f]*}} {{.*}} bind 0x0 weak _weak_external_fn
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# CHAINED-DAG: __DATA_CONST __got 0x{{[0-9a-f]*}} {{.*}} bind 0x0 weak _weak_dysym_fn
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# CHAINED-DAG: __DATA_CONST __got 0x[[#WEAK_EXT_GOT_ADDR]] {{.*}} bind 0x0 weak _weak_external_for_gotpcrel
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# CHAINED-DAG: __DATA_CONST __got 0x[[#WEAK_DY_GOT_ADDR]] {{.*}} bind 0x0 weak _weak_dysym_for_gotpcrel
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# CHAINED-DAG: __DATA __data 0x{{[0-9a-f]*}} {{.*}} bind 0x0 weak _weak_dysym
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# CHAINED-DAG: __DATA __data 0x{{[0-9a-f]*}} {{.*}} bind 0x2 weak _weak_external
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# CHAINED-DAG: __DATA __data 0x{{[0-9a-f]*}} {{.*}} rebase 0x[[#%X,WEAK_INT]]
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# CHAINED-DAG: __DATA __thread_vars 0x{{[0-9a-f]*}} {{.*}} bind 0x0 libSystem __tlv_bootstrap
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# CHAINED-DAG: __DATA __thread_vars 0x{{[0-9a-f]*}} {{.*}} bind 0x0 libSystem __tlv_bootstrap
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# CHAINED-DAG: __DATA __thread_ptrs 0x[[#WEAK_DY_TLV_ADDR]] {{.*}} bind 0x0 weak _weak_dysym_tlv
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# CHAINED-DAG: __DATA __thread_ptrs 0x[[#WEAK_TLV_ADDR]] {{.*}} bind 0x0 weak _weak_tlv
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# CHAINED-EMPTY:
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#--- libfoo.s
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.globl _weak_dysym
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.weak_definition _weak_dysym
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_weak_dysym:
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.quad 0x1234
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.globl _weak_dysym_for_gotpcrel
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.weak_definition _weak_dysym_for_gotpcrel
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_weak_dysym_for_gotpcrel:
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.quad 0x1234
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.globl _weak_dysym_fn
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.weak_definition _weak_dysym_fn
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_weak_dysym_fn:
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ret
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.section __DATA,__thread_vars,thread_local_variables
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.globl _weak_dysym_tlv
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.weak_definition _weak_dysym_tlv
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_weak_dysym_tlv:
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.quad 0x1234
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#--- test.s
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.globl _main, _weak_external, _weak_external_for_gotpcrel, _weak_external_fn
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.weak_definition _weak_external, _weak_external_for_gotpcrel, _weak_external_fn, _weak_internal, _weak_internal_for_gotpcrel, _weak_internal_fn
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_main:
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mov _weak_dysym_for_gotpcrel@GOTPCREL(%rip), %rax
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mov _weak_external_for_gotpcrel@GOTPCREL(%rip), %rax
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mov _weak_internal_for_gotpcrel@GOTPCREL(%rip), %rax
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mov _weak_tlv@TLVP(%rip), %rax
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mov _weak_dysym_tlv@TLVP(%rip), %rax
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mov _weak_internal_tlv@TLVP(%rip), %rax
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callq _weak_dysym_fn
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callq _weak_external_fn
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callq _weak_internal_fn
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mov $0, %rax
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ret
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_weak_external:
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.quad 0x1234
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_weak_external_for_gotpcrel:
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.quad 0x1234
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_weak_external_fn:
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ret
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_weak_internal:
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.quad 0x1234
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_weak_internal_for_gotpcrel:
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.quad 0x1234
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_weak_internal_fn:
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ret
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.data
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.quad _weak_dysym
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.quad _weak_external + 2
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.quad _weak_internal
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.tbss _weak_tlv$tlv$init, 4, 2
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.tbss _weak_internal_tlv$tlv$init, 4, 2
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.section __DATA,__thread_vars,thread_local_variables
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.globl _weak_tlv
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.weak_definition _weak_tlv, _weak_internal_tlv
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_weak_tlv:
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.quad __tlv_bootstrap
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.quad 0
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.quad _weak_tlv$tlv$init
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_weak_internal_tlv:
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.quad __tlv_bootstrap
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.quad 0
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.quad _weak_internal_tlv$tlv$init
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