xref: /llvm-project/lld/test/ELF/version-script-symver.s (revision 5548bcdacee218161fdb7e9347e4bd885948f72d)
1# REQUIRES: x86
2## Test how .symver interacts with --version-script.
3# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
4# RUN: echo 'call foo3; call foo4' > %tref.s
5# RUN: llvm-mc -filetype=obj -triple=x86_64 %tref.s -o %tref.o
6
7# RUN: echo 'v1 { local: foo1; }; v2 { local: foo2; };' > %t1.script
8# RUN: ld.lld --version-script %t1.script -shared %t.o -o %t1.so
9# RUN: llvm-readelf --dyn-syms %t1.so | FileCheck --check-prefix=EXACT %s
10# EXACT:      UND
11# EXACT-NEXT: [[#]] foo4@@v2
12# EXACT-NEXT: [[#]] _start{{$}}
13# EXACT-NEXT: [[#]] foo3@v1
14# EXACT-NOT:  {{.}}
15
16# RUN: echo 'v1 { local: foo*; }; v2 {};' > %t2.script
17# RUN: ld.lld --version-script %t2.script -shared %t.o -o %t2.so
18# RUN: llvm-readelf --dyn-syms %t2.so | FileCheck --check-prefix=WC %s
19# WC:      UND
20# WC-NEXT: [[#]] foo4@@v2
21# WC-NEXT: [[#]] _start{{$}}
22# WC-NOT:  {{.}}
23
24# RUN: echo 'v1 { global: *; local: foo*; }; v2 {};' > %t3.script
25# RUN: ld.lld --version-script %t3.script -shared %t.o -o %t3.so
26# RUN: llvm-readelf --dyn-syms %t3.so | FileCheck --check-prefix=MIX1 %s
27# MIX1:      UND
28# MIX1-NEXT: [[#]] foo4@@v2
29# MIX1-NEXT: [[#]] _start@@v1
30# MIX1-NOT:  {{.}}
31
32# RUN: echo 'v1 { global: foo*; local: *; }; v2 { global: foo4; local: *; };' > %t4.script
33# RUN: ld.lld --version-script %t4.script -shared %t.o -o %t4.so
34# RUN: llvm-readelf --dyn-syms %t4.so | FileCheck --check-prefix=MIX2 %s
35# MIX2:      UND
36# MIX2-NEXT: [[#]] foo1@@v1
37# MIX2-NEXT: [[#]] foo2@@v1
38# MIX2-NEXT: [[#]] foo4@@v2
39# MIX2-NEXT: [[#]] foo3@v1
40# MIX2-NOT:  {{.}}
41
42# RUN: ld.lld --version-script %t4.script -pie --export-dynamic %t.o -o %t4
43# RUN: llvm-readelf --dyn-syms %t4 | FileCheck --check-prefix=MIX2 %s
44# RUN: ld.lld --version-script %t4.script -pie %t.o -o %t4
45# RUN: llvm-readelf --dyn-syms %t4 | FileCheck --check-prefix=EXE %s
46
47# EXE: Symbol table '.dynsym' contains 1 entries:
48
49# RUN: ld.lld --version-script %t4.script -shared %t.o %tref.o -o %t5.so
50# RUN: llvm-readelf -r %t5.so | FileCheck --check-prefix=RELOC %s
51
52# RELOC: R_X86_64_JUMP_SLOT {{.*}} foo4@@v2 + 0
53# RELOC: R_X86_64_JUMP_SLOT {{.*}} foo3@v1 + 0
54
55.globl foo1; foo1: ret
56.globl foo2; foo2: ret
57.globl foo3; .symver foo3,foo3@v1; foo3: ret
58.globl foo4; .symver foo4,foo4@@v2; foo4: ret
59
60.globl _start; _start: ret
61