[PATCH] D59986: [ELF] Respect NonAlloc when copying flags from the previous sections
Fangrui Song via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 18 02:23:14 PDT 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rL358650: [ELF] Respect NonAlloc when copying flags from the previous sections (authored by MaskRay, committed by ).
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D59986/new/
https://reviews.llvm.org/D59986
Files:
lld/trunk/ELF/LinkerScript.cpp
lld/trunk/ELF/ScriptParser.cpp
lld/trunk/test/ELF/linkerscript/info-section-type.s
Index: lld/trunk/test/ELF/linkerscript/info-section-type.s
===================================================================
--- lld/trunk/test/ELF/linkerscript/info-section-type.s
+++ lld/trunk/test/ELF/linkerscript/info-section-type.s
@@ -29,6 +29,10 @@
# RUN: ld.lld -o %t --script %t.script %t.o
# RUN: llvm-readobj -sections %t | FileCheck %s --check-prefix=NONALLOC
+# RUN: echo "SECTIONS { .bar (INFO) : { . += 1; } };" > %t.script
+# RUN: ld.lld -o %t --script %t.script %t.o
+# RUN: llvm-readobj -sections %t | FileCheck %s --check-prefix=NONALLOC
+
# RUN: echo "SECTIONS { .bar 0x20000 (INFO) : { *(.foo) } };" > %t.script
# RUN: ld.lld -o %t --script %t.script %t.o
# RUN: llvm-readobj -sections %t | FileCheck %s --check-prefix=NONALLOC
Index: lld/trunk/ELF/ScriptParser.cpp
===================================================================
--- lld/trunk/ELF/ScriptParser.cpp
+++ lld/trunk/ELF/ScriptParser.cpp
@@ -752,6 +752,7 @@
} else {
skip(); // This is "COPY", "INFO" or "OVERLAY".
Cmd->NonAlloc = true;
+ Cmd->Type = SHT_PROGBITS;
}
expect(")");
return true;
Index: lld/trunk/ELF/LinkerScript.cpp
===================================================================
--- lld/trunk/ELF/LinkerScript.cpp
+++ lld/trunk/ELF/LinkerScript.cpp
@@ -887,7 +887,8 @@
// in case it is empty.
bool IsEmpty = getInputSections(Sec).empty();
if (IsEmpty)
- Sec->Flags = Flags & (SHF_ALLOC | SHF_WRITE | SHF_EXECINSTR);
+ Sec->Flags =
+ Flags & ((Sec->NonAlloc ? 0 : SHF_ALLOC) | SHF_WRITE | SHF_EXECINSTR);
if (IsEmpty && isDiscardable(*Sec)) {
Sec->Live = false;
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