[PATCH] D84486: [lld-macho] Support -filelist

Jez Ng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 28 10:02:35 PDT 2020


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG4853a86022fe: [lld-macho] Support -filelist (authored by int3).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84486/new/

https://reviews.llvm.org/D84486

Files:
  lld/MachO/Driver.cpp
  lld/test/MachO/filelist.s
  lld/test/MachO/invalid/no-filelist.s


Index: lld/test/MachO/invalid/no-filelist.s
===================================================================
--- /dev/null
+++ lld/test/MachO/invalid/no-filelist.s
@@ -0,0 +1,9 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
+# RUN: not lld -flavor darwinnew -Z -filelist nonexistent %t.o -o %t 2>&1 | FileCheck %s
+# CHECK: cannot open nonexistent: No such file or directory
+
+.globl _main
+
+_main:
+  ret
Index: lld/test/MachO/filelist.s
===================================================================
--- /dev/null
+++ lld/test/MachO/filelist.s
@@ -0,0 +1,40 @@
+# REQUIRES: x86
+
+## This test verifies that the paths in -filelist get processed in command-line
+## order.
+
+# RUN: mkdir -p %t
+# RUN: echo ".globl _foo; .weak_definition _foo; .section __TEXT,first; _foo:" | llvm-mc -filetype=obj -triple=x86_64-apple-darwin -o %t/first.o
+# RUN: echo ".globl _foo; .weak_definition _foo; .section __TEXT,second; _foo:" | llvm-mc -filetype=obj -triple=x86_64-apple-darwin -o %t/second.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/test.o
+
+# FIRST: __TEXT,first _foo
+# SECOND: __TEXT,second _foo
+
+# RUN: echo "%t/first.o" > filelist
+# RUN: echo "%t/second.o" >> filelist
+# RUN: lld -flavor darwinnew -Z -filelist filelist %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=FIRST
+
+# RUN: echo "%t/second.o" > filelist
+# RUN: echo "%t/first.o" >> filelist
+# RUN: lld -flavor darwinnew -Z -filelist filelist %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=SECOND
+
+# RUN: echo "%t/first.o" > filelist
+# RUN: lld -flavor darwinnew -Z -filelist filelist %t/second.o %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=FIRST
+# RUN: lld -flavor darwinnew -Z %t/second.o -filelist filelist %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=SECOND
+
+# RUN: echo "%t/first.o" > filelist-1
+# RUN: echo "%t/second.o" > filelist-2
+# RUN: lld -flavor darwinnew -Z -filelist filelist-1 -filelist filelist-2 %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=FIRST
+# RUN: lld -flavor darwinnew -Z -filelist filelist-2 -filelist filelist-1 %t/test.o -o %t/test
+# RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=SECOND
+
+.globl _main
+
+_main:
+  ret
Index: lld/MachO/Driver.cpp
===================================================================
--- lld/MachO/Driver.cpp
+++ lld/MachO/Driver.cpp
@@ -213,6 +213,15 @@
   }
 }
 
+static void addFileList(StringRef path) {
+  Optional<MemoryBufferRef> buffer = readFile(path);
+  if (!buffer)
+    return;
+  MemoryBufferRef mbref = *buffer;
+  for (StringRef path : args::getLines(mbref))
+    addFile(path);
+}
+
 static std::array<StringRef, 6> archNames{"arm",    "arm64", "i386",
                                           "x86_64", "ppc",   "ppc64"};
 static bool isArchString(StringRef s) {
@@ -411,6 +420,9 @@
     case OPT_INPUT:
       addFile(arg->getValue());
       break;
+    case OPT_filelist:
+      addFileList(arg->getValue());
+      break;
     case OPT_l: {
       StringRef name = arg->getValue();
       if (Optional<std::string> path = findLibrary(name)) {


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