[PATCH] D39552: [ELF] - Teach LLD to strip .zdebug_* sections when --strip-debug/--strip-all is specified.
George Rimar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 2 07:58:50 PDT 2017
grimar created this revision.
Herald added a subscriber: emaste.
Currently we do not strip .zdebug_*, what looks wrong.
Also this simplifies the testcase we have for this options.
https://reviews.llvm.org/D39552
Files:
ELF/InputFiles.cpp
test/ELF/strip-debug.s
Index: test/ELF/strip-debug.s
===================================================================
--- test/ELF/strip-debug.s
+++ test/ELF/strip-debug.s
@@ -1,25 +1,14 @@
# REQUIRES: x86
-
-# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux -g %s -o %t
-# RUN: ld.lld %t -o %t2
-# RUN: llvm-readobj -sections -symbols %t2 | FileCheck -check-prefix=DEFAULT %s
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: ld.lld %t -o %t2 --strip-debug
-# RUN: llvm-readobj -sections -symbols %t2 | FileCheck -check-prefix=STRIP %s
+# RUN: llvm-readobj -sections %t2 | FileCheck %s
# RUN: ld.lld %t -o %t2 -S
-# RUN: llvm-readobj -sections -symbols %t2 | FileCheck -check-prefix=STRIP %s
+# RUN: llvm-readobj -sections %t2 | FileCheck %s
# RUN: ld.lld %t -o %t2 --strip-all
-# RUN: llvm-readobj -sections -symbols %t2 | FileCheck -check-prefix=STRIP %s
-
-# DEFAULT: Name: .debug_info
-# DEFAULT: Name: .debug_abbrev
-# DEFAULT: Name: .debug_aranges
-# DEFAULT: Name: .debug_line
+# RUN: llvm-readobj -sections %t2 | FileCheck %s
-# STRIP-NOT: Name: .debug_info
-# STRIP-NOT: Name: .debug_abbrev
-# STRIP-NOT: Name: .debug_aranges
-# STRIP-NOT: Name: .debug_line
+# CHECK-NOT: Foo
+# CHECK-NOT: Bar
-.globl _start
-_start:
- ret
+.section .debug_Foo,"", at progbits
+.section .zdebug_Bar,"", at progbits
Index: ELF/InputFiles.cpp
===================================================================
--- ELF/InputFiles.cpp
+++ ELF/InputFiles.cpp
@@ -537,7 +537,8 @@
return &InputSection::Discarded;
}
- if (Config->Strip != StripPolicy::None && Name.startswith(".debug"))
+ if (Config->Strip != StripPolicy::None &&
+ (Name.startswith(".debug") || Name.startswith(".zdebug")))
return &InputSection::Discarded;
// The linkonce feature is a sort of proto-comdat. Some glibc i386 object
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