# REQUIRES: x86 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o # RUN: ld.lld --hash-style=sysv -shared %t2.o -soname shared -o %t2.so # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t ## Check exporting only one symbol. # RUN: echo "{ foo1; };" > %t.list # RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s ## And now using quoted strings (the output is the same since it does ## use any wildcard character). # RUN: echo "{ \"foo1\"; };" > %t.list # RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s ## And now using --export-dynamic-symbol. # RUN: ld.lld --hash-style=sysv --export-dynamic-symbol foo1 %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s # RUN: ld.lld --hash-style=sysv --export-dynamic-symbol=foo1 %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck %s # CHECK: DynamicSymbols [ # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: @ # CHECK-NEXT: Value: 0x0 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Local # CHECK-NEXT: Type: None # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: Undefined # CHECK-NEXT: } # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: foo1@ # CHECK-NEXT: Value: 0x201000 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Global (0x1) # CHECK-NEXT: Type: None (0x0) # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: .text (0x4) # CHECK-NEXT: } # CHECK-NEXT: ] ## Now export all the foo1, foo2, and foo31 symbols # RUN: echo "{ foo1; foo2; foo31; };" > %t.list # RUN: ld.lld --hash-style=sysv --dynamic-list %t.list %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK2 %s # RUN: echo "{ foo1; foo2; };" > %t1.list # RUN: echo "{ foo31; };" > %t2.list # RUN: ld.lld --hash-style=sysv --dynamic-list %t1.list --dynamic-list %t2.list %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK2 %s # CHECK2: DynamicSymbols [ # CHECK2-NEXT: Symbol { # CHECK2-NEXT: Name: @ # CHECK2-NEXT: Value: 0x0 # CHECK2-NEXT: Size: 0 # CHECK2-NEXT: Binding: Local # CHECK2-NEXT: Type: None # CHECK2-NEXT: Other: 0 # CHECK2-NEXT: Section: Undefined # CHECK2-NEXT: } # CHECK2-NEXT: Symbol { # CHECK2-NEXT: Name: foo1@ # CHECK2-NEXT: Value: 0x201000 # CHECK2-NEXT: Size: 0 # CHECK2-NEXT: Binding: Global (0x1) # CHECK2-NEXT: Type: None (0x0) # CHECK2-NEXT: Other: 0 # CHECK2-NEXT: Section: .text (0x4) # CHECK2-NEXT: } # CHECK2-NEXT: Symbol { # CHECK2-NEXT: Name: foo2@ # CHECK2-NEXT: Value: 0x201001 # CHECK2-NEXT: Size: 0 # CHECK2-NEXT: Binding: Global (0x1) # CHECK2-NEXT: Type: None (0x0) # CHECK2-NEXT: Other: 0 # CHECK2-NEXT: Section: .text (0x4) # CHECK2-NEXT: } # CHECK2-NEXT: Symbol { # CHECK2-NEXT: Name: foo31@ # CHECK2-NEXT: Value: 0x201002 # CHECK2-NEXT: Size: 0 # CHECK2-NEXT: Binding: Global (0x1) # CHECK2-NEXT: Type: None (0x0) # CHECK2-NEXT: Other: 0 # CHECK2-NEXT: Section: .text (0x4) # CHECK2-NEXT: } # CHECK2-NEXT: ] ## --export-dynamic overrides --dynamic-list, i.e. --export-dynamic with an ## incomplete dynamic-list still exports everything. # RUN: echo "{ foo2; };" > %t.list # RUN: ld.lld --hash-style=sysv --dynamic-list %t.list --export-dynamic %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK3 %s ## The same with --export-dynamic-symbol. # RUN: ld.lld --hash-style=sysv --export-dynamic-symbol=foo2 --export-dynamic %t %t2.so -o %t.exe # RUN: llvm-readobj -dyn-symbols %t.exe | FileCheck -check-prefix=CHECK3 %s # CHECK3: DynamicSymbols [ # CHECK3-NEXT: Symbol { # CHECK3-NEXT: Name: @ # CHECK3-NEXT: Value: 0x0 # CHECK3-NEXT: Size: 0 # CHECK3-NEXT: Binding: Local # CHECK3-NEXT: Type: None # CHECK3-NEXT: Other: 0 # CHECK3-NEXT: Section: Undefined # CHECK3-NEXT: } # CHECK3-NEXT: Symbol { # CHECK3-NEXT: Name: _start@ # CHECK3-NEXT: Value: 0x201003 # CHECK3-NEXT: Size: 0 # CHECK3-NEXT: Binding: Global (0x1) # CHECK3-NEXT: Type: None (0x0) # CHECK3-NEXT: Other: 0 # CHECK3-NEXT: Section: .text (0x4) # CHECK3-NEXT: } # CHECK3-NEXT: Symbol { # CHECK3-NEXT: Name: foo1@ # CHECK3-NEXT: Value: 0x201000 # CHECK3-NEXT: Size: 0 # CHECK3-NEXT: Binding: Global (0x1) # CHECK3-NEXT: Type: None (0x0) # CHECK3-NEXT: Other: 0 # CHECK3-NEXT: Section: .text (0x4) # CHECK3-NEXT: } # CHECK3-NEXT: Symbol { # CHECK3-NEXT: Name: foo2@ # CHECK3-NEXT: Value: 0x201001 # CHECK3-NEXT: Size: 0 # CHECK3-NEXT: Binding: Global (0x1) # CHECK3-NEXT: Type: None (0x0) # CHECK3-NEXT: Other: 0 # CHECK3-NEXT: Section: .text (0x4) # CHECK3-NEXT: } # CHECK3-NEXT: Symbol { # CHECK3-NEXT: Name: foo31@ # CHECK3-NEXT: Value: 0x201002 # CHECK3-NEXT: Size: 0 # CHECK3-NEXT: Binding: Global (0x1) # CHECK3-NEXT: Type: None (0x0) # CHECK3-NEXT: Other: 0 # CHECK3-NEXT: Section: .text (0x4) # CHECK3-NEXT: } # CHECK3-NEXT: ] .globl foo1 foo1: ret .globl foo2 foo2: ret .globl foo31 foo31: ret .globl _start _start: retq