diff options
| -rw-r--r-- | lib/Target/ARM/ARMAsmPrinter.cpp | 13 | ||||
| -rw-r--r-- | test/DebugInfo/ARM/sectionorder.ll | 26 |
2 files changed, 39 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index 0c65ea891d..0d724b0610 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -488,6 +488,19 @@ void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) { SectionKind::getText()); OutStreamer.SwitchSection(StaticInitSect); } + + // Compiling with debug info should not affect the code + // generation! Since some of the data sections are first switched + // to only in ASMPrinter::doFinalization(), the debug info + // sections would come before the data sections in the object + // file. This is problematic, since PC-relative loads have to use + // different instruction sequences in order to reach global data + // in the same object file. + OutStreamer.SwitchSection(getObjFileLowering().getCStringSection()); + OutStreamer.SwitchSection(getObjFileLowering().getDataSection()); + OutStreamer.SwitchSection(getObjFileLowering().getDataCommonSection()); + OutStreamer.SwitchSection(getObjFileLowering().getDataBSSSection()); + OutStreamer.SwitchSection(getObjFileLowering().getNonLazySymbolPointerSection()); } // Use unified assembler syntax. diff --git a/test/DebugInfo/ARM/sectionorder.ll b/test/DebugInfo/ARM/sectionorder.ll new file mode 100644 index 0000000000..4e9b226b1f --- /dev/null +++ b/test/DebugInfo/ARM/sectionorder.ll @@ -0,0 +1,26 @@ +; RUN: llc -filetype=asm %s -o - | FileCheck %s + +; Verifies that the DWARF* sections come _after_ the data sections. +; rdar://problem/15623193 + +; CHECK: .section __TEXT,__text, +; CHECK-NOT: __DWARF,__debug +; CHECK: .section __TEXT,__cstring,cstring_literals +; CHECK-NOT: __DWARF,__debug +; CHECK: .section __DATA,__data +; CHECK-NOT: __DWARF,__debug +; CHECK: .section __DATA,__common +; CHECK-NOT: __DWARF,__debug +; CHECK: .section __DATA,__bss +; CHECK-NOT: __DWARF,__debug +; CHECK: .section __DATA,__nl_symbol_ptr,non_lazy_symbol_pointers +target triple = "thumbv7-apple-ios" + +!llvm.module.flags = !{!3, !4} +!llvm.dbg.cu = !{!0} + +!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"test.c", metadata !"/Volumes/Data/radar/15623193", metadata !"LLVM", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !1} ; [ DW_TAG_compile_unit ] [/Volumes/Data/radar/15623193/test.c] [DW_LANG_C99] +!1 = metadata !{metadata !2} +!2 = metadata !{i32 0} +!3 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!4 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} |