[ELF] Error if -r --gdb-index are used together

Reviewers: ruiu, espindola

Subscribers: emaste, arichardson, llvm-commits

Differential Revision: https://reviews.llvm.org/D49513

llvm-svn: 337427

diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index 4c0e1f9..342e709 100644 (file)
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -294,6 +294,8 @@ static void checkOptions(opt::InputArgList &Args) {
       error("-r and -shared may not be used together");
     if (Config->GcSections)
       error("-r and --gc-sections may not be used together");
+    if (Config->GdbIndex)
+      error("-r and --gdb-index may not be used together");
     if (Config->ICF)
       error("-r and --icf may not be used together");
     if (Config->Pie)

diff --git a/lld/test/ELF/driver.test b/lld/test/ELF/driver.test
index b2ee2bb..20bc795 100644 (file)
--- a/lld/test/ELF/driver.test
+++ b/lld/test/ELF/driver.test
@@ -35,31 +35,35 @@
 # RUN: not ld.lld -r --gc-sections %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR3 %s
 # ERR3: -r and --gc-sections may not be used together
 
+## Attempt to use -r and --gdb-index together
+# RUN: not ld.lld -r --gdb-index %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR4 %s
+# ERR4: -r and --gdb-index may not be used together
+
 ## Attempt to use -r and --icf together
-# RUN: not ld.lld -r --icf=all %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR4 %s
-# ERR4: -r and --icf may not be used together
+# RUN: not ld.lld -r --icf=all %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR5 %s
+# ERR5: -r and --icf may not be used together
 
 ## Attempt to use -r and -pie together
-# RUN: not ld.lld -r -pie %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR5 %s
-# ERR5: -r and -pie may not be used together
+# RUN: not ld.lld -r -pie %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR6 %s
+# ERR6: -r and -pie may not be used together
 
 ## Attempt to use -shared and -pie together
-# RUN: not ld.lld -shared -pie %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR6 %s
-# ERR6: -shared and -pie may not be used together
+# RUN: not ld.lld -shared -pie %t -o %tfail 2>&1 | FileCheck -check-prefix=ERR7 %s
+# ERR7: -shared and -pie may not be used together
 
 ## "--output=foo" is equivalent to "-o foo".
-# RUN: not ld.lld %t --output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR7 %s
-# ERR7: cannot open output file /no/such/file
+# RUN: not ld.lld %t --output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR8 %s
+# ERR8: cannot open output file /no/such/file
 
 ## "-output=foo" is equivalent to "-o utput=foo".
-# RUN: not ld.lld %t -output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR8 %s
-# ERR8: cannot open output file utput=/no/such/file
+# RUN: not ld.lld %t -output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR9 %s
+# ERR9: cannot open output file utput=/no/such/file
 
-# RUN: not ld.lld %t -z foo 2>&1 | FileCheck -check-prefix=ERR9 %s
-# ERR9: unknown -z value: foo
+# RUN: not ld.lld %t -z foo 2>&1 | FileCheck -check-prefix=ERR10 %s
+# ERR10: unknown -z value: foo
 
-# RUN: not ld.lld %t -z max-page-size 2>&1 | FileCheck -check-prefix=ERR10 %s
-# ERR10: unknown -z value: max-page-size
+# RUN: not ld.lld %t -z max-page-size 2>&1 | FileCheck -check-prefix=ERR11 %s
+# ERR11: unknown -z value: max-page-size
 
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