vendor/lld/lld-release_39-r276489

1 files changed, 63 insertions, 0 deletions

diff --git a/test/ELF/unresolved-symbols.s b/test/ELF/unresolved-symbols.s
new file mode 100644
index 0000000000000..2fa59cb0ffd75
--- /dev/null
+++ b/test/ELF/unresolved-symbols.s
@@ -0,0 +1,63 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/unresolved-symbols.s -o %t2.o
+# RUN: ld.lld -shared %t2.o -o %t.so
+
+## Check that %t2.o contains undefined symbol undef.
+# RUN: not ld.lld %t1.o %t2.o -o %t 2>&1 | \
+# RUN:   FileCheck -check-prefix=UNDCHECK %s
+# UNDCHECK: undefined symbol: undef in {{.*}}2.o
+
+## Error out if unknown option value was set.
+# RUN: not ld.lld %t1.o %t2.o -o %t --unresolved-symbols=xxx 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERR1 %s
+# ERR1: unknown --unresolved-symbols value: xxx
+
+## Ignore all should not produce error for symbols from object except
+## case when --no-undefined specified.
+# RUN: ld.lld %t2.o -o %t1_1 --unresolved-symbols=ignore-all
+# RUN: llvm-readobj %t1_1 > /dev/null 2>&1
+# RUN: not ld.lld %t2.o -o %t1_2 --unresolved-symbols=ignore-all --no-undefined 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+# ERRUND: undefined symbol: undef
+## Also ignore all should not produce error for symbols from DSOs.
+# RUN: ld.lld %t1.o %t.so -o %t1_3 --unresolved-symbols=ignore-all
+# RUN: llvm-readobj %t1_3 > /dev/null 2>&1
+
+## Ignoring undefines in objects should not produce error for symbol from object.
+# RUN: ld.lld %t1.o %t2.o -o %t2 --unresolved-symbols=ignore-in-object-files
+# RUN: llvm-readobj %t2 > /dev/null 2>&1
+## And still should not should produce for undefines from DSOs.
+# RUN: ld.lld %t1.o %t.so -o %t2_1 --unresolved-symbols=ignore-in-object-files
+# RUN: llvm-readobj %t2 > /dev/null 2>&1
+
+## Ignoring undefines in shared should produce error for symbol from object.
+# RUN: not ld.lld %t2.o -o %t3 --unresolved-symbols=ignore-in-shared-libs 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+## And should not produce errors for symbols from DSO.
+# RUN: ld.lld %t1.o %t.so -o %t3_1 --unresolved-symbols=ignore-in-shared-libs
+# RUN: llvm-readobj %t3_1 > /dev/null 2>&1
+
+## Ignoring undefines in shared libs should not produce error for symbol from object
+## if we are linking DSO.
+# RUN: ld.lld -shared %t1.o -o %t4 --unresolved-symbols=ignore-in-shared-libs
+# RUN: llvm-readobj %t4 > /dev/null 2>&1
+
+## Do not report undefines if linking relocatable.
+# RUN: ld.lld -r %t1.o %t2.o -o %t5 --unresolved-symbols=report-all
+# RUN: llvm-readobj %t5 > /dev/null 2>&1
+
+## report-all is the default one. Check that we do not report
+## undefines from DSO and do report undefines from object. With
+## report-all specified and without.
+# RUN: ld.lld -shared %t1.o %t.so -o %t6 --unresolved-symbols=report-all
+# RUN: llvm-readobj %t6 > /dev/null 2>&1
+# RUN: ld.lld -shared %t1.o %t.so -o %t6_1
+# RUN: llvm-readobj %t6_1 > /dev/null 2>&1
+# RUN: not ld.lld %t2.o -o %t7 --unresolved-symbols=report-all 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+# RUN: not ld.lld %t2.o -o %t7_1 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+
+.globl _start
+_start: