diff options
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index 5bbc8d5..d05bcea 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -595,7 +595,10 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, SectionKind::getData()); - bool IsWoA = T.getArch() == Triple::arm || T.getArch() == Triple::thumb; + // Set the `IMAGE_SCN_MEM_16BIT` flag when compiling for thumb mode. This is + // used to indicate to the linker that the text segment contains thumb instructions + // and to set the ISA selection bit for calls accordingly. + const bool IsThumb = T.getArch() == Triple::thumb; CommDirectiveSupportsAlignment = true; @@ -606,7 +609,7 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { SectionKind::getBSS()); TextSection = Ctx->getCOFFSection( ".text", - (IsWoA ? COFF::IMAGE_SCN_MEM_16BIT : (COFF::SectionCharacteristics)0) | + (IsThumb ? COFF::IMAGE_SCN_MEM_16BIT : (COFF::SectionCharacteristics)0) | COFF::IMAGE_SCN_CNT_CODE | COFF::IMAGE_SCN_MEM_EXECUTE | COFF::IMAGE_SCN_MEM_READ, SectionKind::getText()); |