| # REQUIRES: x86 |
| # RUN: echo 'v1 { f; }; v2 { g; };' > %t.ver |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o |
| # RUN: ld.lld -shared --version-script %t.ver %t.o -o %t.so |
| |
| # RUN: ld.lld --version-script %t.ver %t.o %t.so -o /dev/null -y f@v1 | \ |
| # RUN: FileCheck --check-prefix=TRACE %s --implicit-check-not=f@v1 |
| |
| ## TRACE: {{.*}}.o: definition of f@v1 |
| ## TRACE-NEXT: {{.*}}.so: shared definition of f@v1 |
| |
| # RUN: echo '.symver f,f@v1; .symver g,g@v2; call f; call g' | \ |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o |
| # RUN: ld.lld -shared %t1.o %t.so -o %t1.so |
| |
| ## Test that we can parse SHT_GNU_verneed to know that the undefined symbols in |
| ## %t1.so are called 'f@v1' and 'g@v2', which can be satisfied by the executable. |
| ## We will thus export the symbols. |
| # RUN: ld.lld -pie %t.o %t1.so -o %t |
| # RUN: llvm-nm -D %t | FileCheck --check-prefix=NM %s |
| |
| # NM: T f |
| # NM: T g |
| |
| ## The default is --no-allow-shlib-undefined. |
| ## Don't error because undefined symbols in %t1.so are satisfied by %t.so |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 /dev/null -o %t2.o |
| # RUN: ld.lld %t2.o %t1.so %t.so -y f@v1 -o /dev/null | FileCheck %s |
| |
| # CHECK: {{.*}}1.so: reference to f@v1 |
| # CHECK-NEXT: {{.*}}.so: shared definition of f@v1 |
| |
| .globl f_v1, g_v2 |
| .symver f_v1,f@v1 |
| .symver g_v2,g@v2 |
| f_v1: |
| g_v2: |