diff options
Diffstat (limited to 'test/ELF/gc-sections-shared.s')
| -rw-r--r-- | test/ELF/gc-sections-shared.s | 93 |
1 files changed, 89 insertions, 4 deletions
diff --git a/test/ELF/gc-sections-shared.s b/test/ELF/gc-sections-shared.s index efb21faee6bd..2976213e910a 100644 --- a/test/ELF/gc-sections-shared.s +++ b/test/ELF/gc-sections-shared.s @@ -1,12 +1,18 @@ # REQUIRES: x86 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared.s -o %t3.o +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared2.s -o %t4.o # RUN: ld.lld -shared %t2.o -o %t2.so +# RUN: ld.lld -shared %t3.o -o %t3.so +# RUN: ld.lld -shared %t4.o -o %t4.so # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o -# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t %t.o --as-needed %t2.so +# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t %t.o --as-needed %t2.so %t3.so %t4.so # RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck %s # This test the property that we have a needed line for every undefined. -# It would also be OK to drop bar2 and the need for the .so +# It would also be OK to keep bar2 and the need for %t2.so +# At the same time, weak symbols should not cause adding DT_NEEDED; +# this case is checked with symbol qux and %t4.so. # CHECK: DynamicSymbols [ # CHECK-NEXT: Symbol { @@ -19,7 +25,16 @@ # CHECK-NEXT: Section: Undefined (0x0) # CHECK-NEXT: } # CHECK-NEXT: Symbol { -# CHECK-NEXT: Name: bar2 +# CHECK-NEXT: Name: bar +# CHECK-NEXT: Value: +# CHECK-NEXT: Size: +# CHECK-NEXT: Binding: Global +# CHECK-NEXT: Type: +# CHECK-NEXT: Other: +# CHECK-NEXT: Section: .text +# CHECK-NEXT: } +# CHECK-NEXT: Symbol { +# CHECK-NEXT: Name: baz # CHECK-NEXT: Value: # CHECK-NEXT: Size: # CHECK-NEXT: Binding: Global @@ -36,9 +51,76 @@ # CHECK-NEXT: Other: # CHECK-NEXT: Section: .text # CHECK-NEXT: } +# CHECK-NEXT: Symbol { +# CHECK-NEXT: Name: qux +# CHECK-NEXT: Value: +# CHECK-NEXT: Size: +# CHECK-NEXT: Binding: Weak +# CHECK-NEXT: Type: +# CHECK-NEXT: Other: +# CHECK-NEXT: Section: Undefined +# CHECK-NEXT: } # CHECK-NEXT: ] -# CHECK: NEEDED Shared library: [{{.*}}.so] +# CHECK-NOT: NEEDED +# CHECK: NEEDED Shared library: [{{.*}}3.so] +# CHECK-NOT: NEEDED + +# Test with %t.o at the end too. +# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t --as-needed %t2.so %t3.so %t4.so %t.o +# RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck --check-prefix=CHECK2 %s + +# CHECK2: DynamicSymbols [ +# CHECK2-NEXT: Symbol { +# CHECK2-NEXT: Name: +# CHECK2-NEXT: Value: +# CHECK2-NEXT: Size: +# CHECK2-NEXT: Binding: Local +# CHECK2-NEXT: Type: +# CHECK2-NEXT: Other: +# CHECK2-NEXT: Section: Undefined (0x0) +# CHECK2-NEXT: } +# CHECK2-NEXT: Symbol { +# CHECK2-NEXT: Name: bar +# CHECK2-NEXT: Value: +# CHECK2-NEXT: Size: +# CHECK2-NEXT: Binding: Global +# CHECK2-NEXT: Type: +# CHECK2-NEXT: Other: +# CHECK2-NEXT: Section: .text +# CHECK2-NEXT: } +# CHECK2-NEXT: Symbol { +# CHECK2-NEXT: Name: baz +# CHECK2-NEXT: Value: +# CHECK2-NEXT: Size: +# CHECK2-NEXT: Binding: Global +# CHECK2-NEXT: Type: +# CHECK2-NEXT: Other: +# CHECK2-NEXT: Section: Undefined +# CHECK2-NEXT: } +# CHECK2-NEXT: Symbol { +# CHECK2-NEXT: Name: qux +# CHECK2-NEXT: Value: +# CHECK2-NEXT: Size: +# CHECK2-NEXT: Binding: Weak +# CHECK2-NEXT: Type: +# CHECK2-NEXT: Other: +# CHECK2-NEXT: Section: Undefined +# CHECK2-NEXT: } +# CHECK2-NEXT: Symbol { +# CHECK2-NEXT: Name: foo +# CHECK2-NEXT: Value: +# CHECK2-NEXT: Size: +# CHECK2-NEXT: Binding: Global +# CHECK2-NEXT: Type: +# CHECK2-NEXT: Other: +# CHECK2-NEXT: Section: .text +# CHECK2-NEXT: } +# CHECK2-NEXT: ] + +# CHECK2-NOT: NEEDED +# CHECK2: NEEDED Shared library: [{{.*}}3.so] +# CHECK2-NOT: NEEDED .section .text.foo, "ax" .globl foo @@ -52,7 +134,10 @@ ret .section .text._start, "ax" .globl _start +.weak qux _start: +call baz +call qux ret .section .text.unused, "ax" |