[llvm] d987eed - [llvm-objcopy][MachO] Copy LC_LOAD_WEAK_DYLIB load commands
Alexander Shaposhnikov via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 23 12:22:02 PDT 2020
Author: Alexander Shaposhnikov
Date: 2020-04-23T12:21:44-07:00
New Revision: d987eed91d4866a041a3a0c6b3aacb15cfebb3ee
URL: https://github.com/llvm/llvm-project/commit/d987eed91d4866a041a3a0c6b3aacb15cfebb3ee
DIFF: https://github.com/llvm/llvm-project/commit/d987eed91d4866a041a3a0c6b3aacb15cfebb3ee.diff
LOG: [llvm-objcopy][MachO] Copy LC_LOAD_WEAK_DYLIB load commands
LC_LOAD_WEAK_DYLIB is analogous to LC_LOAD_DYLIB and doesn't require any special handling.
Test plan: make check-all
Differential revision: https://reviews.llvm.org/D78602
Added:
llvm/test/tools/llvm-objcopy/MachO/lc-load-weak-dylib.test
Modified:
llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
Removed:
################################################################################
diff --git a/llvm/test/tools/llvm-objcopy/MachO/lc-load-weak-dylib.test b/llvm/test/tools/llvm-objcopy/MachO/lc-load-weak-dylib.test
new file mode 100644
index 000000000000..aaf0a220d25b
--- /dev/null
+++ b/llvm/test/tools/llvm-objcopy/MachO/lc-load-weak-dylib.test
@@ -0,0 +1,25 @@
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-objcopy %t %t.copy
+# RUN: cmp %t %t.copy
+
+--- !mach-o
+FileHeader:
+ magic: 0xFEEDFACF
+ cputype: 0x0100000C
+ cpusubtype: 0x00000000
+ filetype: 0x00000002
+ ncmds: 1
+ sizeofcmds: 80
+ flags: 0x00002000
+ reserved: 0x00000000
+LoadCommands:
+ - cmd: LC_LOAD_WEAK_DYLIB
+ cmdsize: 80
+ dylib:
+ name: 24
+ timestamp: 2
+ current_version: 65536
+ compatibility_version: 65536
+ PayloadString: '/System/Library/Frameworks/Network.framework/Network'
+ ZeroPadBytes: 4
+...
diff --git a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
index 102482e5005c..e6c5dde42027 100644
--- a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
+++ b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
@@ -340,6 +340,7 @@ Error MachOLayoutBuilder::layoutTail(uint64_t Offset) {
case MachO::LC_BUILD_VERSION:
case MachO::LC_ID_DYLIB:
case MachO::LC_LOAD_DYLIB:
+ case MachO::LC_LOAD_WEAK_DYLIB:
case MachO::LC_UUID:
case MachO::LC_SOURCE_VERSION:
// Nothing to update.
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