| # This tests the functionality of using the --wrap option. |
| # The test case is extracted by compiling and linking the following code. |
| # |
| #cat > main.c << \! |
| #int main() { |
| # foo(); |
| # return 0; |
| #} |
| #! |
| # |
| #cat > wrapfoo.c << \! |
| #int __wrap_foo() { |
| # __real_foo(); |
| # return 0; |
| #} |
| #! |
| # |
| #cat > realfoo.c << \! |
| #int foo() { |
| # return 0; |
| #} |
| #! |
| # |
| #clang main.c wrapfoo.c realfoo.c -Xlinker --wrap -Xlinker foo |
| #RUN: yaml2obj -format=elf -docnum 1 %s -o %t.main.o |
| #RUN: yaml2obj -format=elf -docnum 2 %s -o %t.wrapfoo.o |
| #RUN: yaml2obj -format=elf -docnum 3 %s -o %t.realfoo.o |
| #RUN: lld -flavor old-gnu -target x86_64 %t.main.o %t.wrapfoo.o %t.realfoo.o \ |
| #RUN: --wrap foo --wrap foo --noinhibit-exec --output-filetype=yaml -o %t2.out |
| #RUN: lld -flavor old-gnu -target x86_64 %t.main.o %t.wrapfoo.o \ |
| #RUN: --wrap foo --wrap foo --noinhibit-exec --output-filetype=yaml -o %t2.out.undef 2>&1 | \ |
| #RUN: FileCheck %s -check-prefix=CHECKUNDEF |
| #CHECKWRAP: - name: main |
| #CHECKWRAP: references: |
| #CHECKWRAP: - kind: R_X86_64_PC32 |
| #CHECKWRAP: target: __wrap_foo |
| #CHECKWRAP: - name: __wrap_foo |
| #CHECKWRAP: references: |
| #CHECKWRAP: - kind: R_X86_64_PC32 |
| #CHECKWRAP: target: foo |
| #CHECKUNDEF: Undefined symbol: {{.*}}main.o: foo |
| --- |
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| ... |
| --- |
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| ... |
| --- |
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| ... |
