From 1f917f69ff07f09b6dbb670971f57f8efe718b84 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 14 Jul 2022 20:50:02 +0200
Subject: Vendor import of llvm-project main
 llvmorg-15-init-16436-g18a6ab5b8d1f.

---
 llvm/lib/MC/ELFObjectWriter.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'llvm/lib/MC/ELFObjectWriter.cpp')

diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp
index eda495693595..78204ffe4c3b 100644
--- a/llvm/lib/MC/ELFObjectWriter.cpp
+++ b/llvm/lib/MC/ELFObjectWriter.cpp
@@ -145,7 +145,7 @@ struct ELFWriter {
   uint64_t align(unsigned Alignment);
 
   bool maybeWriteCompression(uint64_t Size,
-                             SmallVectorImpl<char> &CompressedContents,
+                             SmallVectorImpl<uint8_t> &CompressedContents,
                              bool ZLibStyle, unsigned Alignment);
 
 public:
@@ -819,7 +819,7 @@ MCSectionELF *ELFWriter::createRelocationSection(MCContext &Ctx,
 
 // Include the debug info compression header.
 bool ELFWriter::maybeWriteCompression(
-    uint64_t Size, SmallVectorImpl<char> &CompressedContents, bool ZLibStyle,
+    uint64_t Size, SmallVectorImpl<uint8_t> &CompressedContents, bool ZLibStyle,
     unsigned Alignment) {
   if (ZLibStyle) {
     uint64_t HdrSize =
@@ -875,9 +875,11 @@ void ELFWriter::writeSectionData(const MCAssembler &Asm, MCSection &Sec,
   raw_svector_ostream VecOS(UncompressedData);
   Asm.writeSectionData(VecOS, &Section, Layout);
 
-  SmallVector<char, 128> CompressedContents;
-  zlib::compress(StringRef(UncompressedData.data(), UncompressedData.size()),
-                 CompressedContents);
+  SmallVector<uint8_t, 128> CompressedContents;
+  compression::zlib::compress(
+      makeArrayRef(reinterpret_cast<uint8_t *>(UncompressedData.data()),
+                   UncompressedData.size()),
+      CompressedContents);
 
   bool ZlibStyle = MAI->compressDebugSections() == DebugCompressionType::Z;
   if (!maybeWriteCompression(UncompressedData.size(), CompressedContents,
@@ -896,7 +898,7 @@ void ELFWriter::writeSectionData(const MCAssembler &Asm, MCSection &Sec,
     // Add "z" prefix to section name. This is zlib-gnu style.
     MC.renameELFSection(&Section, (".z" + SectionName.drop_front(1)).str());
   }
-  W.OS << CompressedContents;
+  W.OS << toStringRef(CompressedContents);
 }
 
 void ELFWriter::WriteSecHdrEntry(uint32_t Name, uint32_t Type, uint64_t Flags,
-- 
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