d46753e421
Its PR34712, GNU linkers recently changed default values to "both" of "sysv". Patch do the same for all targets except MIPS, where .gnu.hash section is not yet supported. Code suggested by Rui Ueyama. Differential revision: https://reviews.llvm.org/D38407 llvm-svn: 315051
168 lines
5.2 KiB
ArmAsm
168 lines
5.2 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o
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# RUN: ld.lld --hash-style=sysv -shared %t2.o -soname shared -o %t2.so
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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## Check exporting only one symbol.
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# RUN: echo "{ foo1; };" > %t.list
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# RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s
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## And now using quoted strings (the output is the same since it does
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## use any wildcard character).
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# RUN: echo "{ \"foo1\"; };" > %t.list
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# RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s
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## And now using --export-dynamic-symbol.
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# RUN: ld.lld --hash-style=sysv --export-dynamic-symbol foo1 %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s
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# RUN: ld.lld --hash-style=sysv --export-dynamic-symbol=foo1 %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s
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# CHECK: DynamicSymbols [
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: @
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# CHECK-NEXT: Value: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Local
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# CHECK-NEXT: Type: None
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: Undefined
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: foo1@
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# CHECK-NEXT: Value: 0x201000
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: .text (0x4)
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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## Now export all the foo1, foo2, and foo31 symbols
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# RUN: echo "{ foo1; foo2; foo31; };" > %t.list
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# RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK2 %s
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# RUN: echo "{ foo1; foo2; };" > %t1.list
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# RUN: echo "{ foo31; };" > %t2.list
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# RUN: ld.lld --hash-style=sysv --dynamic-list %t1.list --dynamic-list %t2.list %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK2 %s
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# CHECK2: DynamicSymbols [
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: @
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# CHECK2-NEXT: Value: 0x0
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# CHECK2-NEXT: Size: 0
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# CHECK2-NEXT: Binding: Local
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# CHECK2-NEXT: Type: None
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# CHECK2-NEXT: Other: 0
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# CHECK2-NEXT: Section: Undefined
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: foo1@
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# CHECK2-NEXT: Value: 0x201000
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# CHECK2-NEXT: Size: 0
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# CHECK2-NEXT: Binding: Global (0x1)
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# CHECK2-NEXT: Type: None (0x0)
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# CHECK2-NEXT: Other: 0
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# CHECK2-NEXT: Section: .text (0x4)
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: foo2@
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# CHECK2-NEXT: Value: 0x201001
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# CHECK2-NEXT: Size: 0
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# CHECK2-NEXT: Binding: Global (0x1)
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# CHECK2-NEXT: Type: None (0x0)
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# CHECK2-NEXT: Other: 0
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# CHECK2-NEXT: Section: .text (0x4)
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: foo31@
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# CHECK2-NEXT: Value: 0x201002
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# CHECK2-NEXT: Size: 0
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# CHECK2-NEXT: Binding: Global (0x1)
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# CHECK2-NEXT: Type: None (0x0)
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# CHECK2-NEXT: Other: 0
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# CHECK2-NEXT: Section: .text (0x4)
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# CHECK2-NEXT: }
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# CHECK2-NEXT: ]
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## --export-dynamic overrides --dynamic-list, i.e. --export-dynamic with an
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## incomplete dynamic-list still exports everything.
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# RUN: echo "{ foo2; };" > %t.list
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# RUN: ld.lld --hash-style=sysv --dynamic-list %t.list --export-dynamic %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK3 %s
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## The same with --export-dynamic-symbol.
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# RUN: ld.lld --hash-style=sysv --export-dynamic-symbol=foo2 --export-dynamic %t %t2.so -o %t.exe
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# RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK3 %s
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# CHECK3: DynamicSymbols [
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# CHECK3-NEXT: Symbol {
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# CHECK3-NEXT: Name: @
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# CHECK3-NEXT: Value: 0x0
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# CHECK3-NEXT: Size: 0
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# CHECK3-NEXT: Binding: Local
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# CHECK3-NEXT: Type: None
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# CHECK3-NEXT: Other: 0
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# CHECK3-NEXT: Section: Undefined
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# CHECK3-NEXT: }
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# CHECK3-NEXT: Symbol {
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# CHECK3-NEXT: Name: _start@
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# CHECK3-NEXT: Value: 0x201003
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# CHECK3-NEXT: Size: 0
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# CHECK3-NEXT: Binding: Global (0x1)
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# CHECK3-NEXT: Type: None (0x0)
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# CHECK3-NEXT: Other: 0
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# CHECK3-NEXT: Section: .text (0x4)
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# CHECK3-NEXT: }
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# CHECK3-NEXT: Symbol {
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# CHECK3-NEXT: Name: foo1@
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# CHECK3-NEXT: Value: 0x201000
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# CHECK3-NEXT: Size: 0
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# CHECK3-NEXT: Binding: Global (0x1)
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# CHECK3-NEXT: Type: None (0x0)
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# CHECK3-NEXT: Other: 0
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# CHECK3-NEXT: Section: .text (0x4)
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# CHECK3-NEXT: }
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# CHECK3-NEXT: Symbol {
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# CHECK3-NEXT: Name: foo2@
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# CHECK3-NEXT: Value: 0x201001
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# CHECK3-NEXT: Size: 0
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# CHECK3-NEXT: Binding: Global (0x1)
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# CHECK3-NEXT: Type: None (0x0)
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# CHECK3-NEXT: Other: 0
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# CHECK3-NEXT: Section: .text (0x4)
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# CHECK3-NEXT: }
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# CHECK3-NEXT: Symbol {
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# CHECK3-NEXT: Name: foo31@
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# CHECK3-NEXT: Value: 0x201002
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# CHECK3-NEXT: Size: 0
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# CHECK3-NEXT: Binding: Global (0x1)
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# CHECK3-NEXT: Type: None (0x0)
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# CHECK3-NEXT: Other: 0
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# CHECK3-NEXT: Section: .text (0x4)
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# CHECK3-NEXT: }
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# CHECK3-NEXT: ]
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.globl foo1
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foo1:
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ret
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.globl foo2
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foo2:
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ret
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.globl foo31
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foo31:
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ret
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.globl _start
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_start:
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retq
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