xref: /llvm-project/lld/test/ELF/wrap-extract-real.s (revision 13816e0358123baa411419048a9ce5c432ddab55)
1# REQUIRES: x86
2## --wrap=xxx should trigger archive extraction for symbol xxx for references to __real_xxx.
3
4# RUN: rm -rf %t && split-file %s %t && cd %t
5# RUN: llvm-mc -filetype=obj -triple=x86_64 _start.s -o _start.o
6# RUN: llvm-mc -filetype=obj -triple=x86_64 ref__real_foo.s -o ref__real_foo.o
7# RUN: llvm-mc -filetype=obj -triple=x86_64 wrap.s -o wrap.o
8# RUN: llvm-mc -filetype=obj -triple=x86_64 foo.s -o foo.o
9
10## Test when the reference to __real_foo is not in __wrap_foo.
11# RUN: ld.lld _start.o ref__real_foo.o --start-lib foo.o --end-lib --wrap foo -o %t_real.elf
12# RUN: llvm-readelf --symbols %t_real.elf | FileCheck %s --check-prefix=REAL
13
14# REAL:      Symbol table '.symtab' contains 4 entries:
15# REAL-NEXT:        Value             Size Type    Bind   Vis       Ndx Name
16# REAL-NEXT:        {{.*}}               0 NOTYPE  LOCAL  DEFAULT   UND
17# REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] _start
18# REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] foo
19# REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT   UND __wrap_foo
20
21## Test when the reference to __real_foo is in __wrap_foo.
22# RUN: ld.lld _start.o --start-lib wrap.o --end-lib --start-lib foo.o --end-lib --wrap foo -o %t_wrap_real.elf
23# RUN: llvm-readelf --symbols %t_wrap_real.elf | FileCheck %s --check-prefix=WRAP_REAL
24
25# WRAP_REAL:      Symbol table '.symtab' contains 4 entries:
26# WRAP_REAL-NEXT:        Value             Size Type    Bind   Vis       Ndx Name
27# WRAP_REAL-NEXT:        {{.*}}               0 NOTYPE  LOCAL  DEFAULT   UND
28# WRAP_REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] _start
29# WRAP_REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] __wrap_foo
30# WRAP_REAL-NEXT:        {{.*}}               0 NOTYPE  GLOBAL DEFAULT [[#]] foo
31
32#--- _start.s
33.global _start; _start:; ret
34
35#--- ref__real_foo.s
36call __real_foo
37
38#--- wrap.s
39.global __wrap_foo; __wrap_foo:; call __real_foo
40
41#--- foo.s
42.global foo; foo:; ret
43