[ObjectFileELF] Fix misaligned read/writes caught by UBSan.
llvm-svn: 346244
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index fd1edcd..1001eae 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -2712,7 +2712,8 @@
uint64_t *dst = reinterpret_cast<uint64_t *>(
data_buffer_sp->GetBytes() + rel_section->GetFileOffset() +
ELFRelocation::RelocOffset64(rel));
- *dst = value + ELFRelocation::RelocAddend64(rel);
+ uint64_t val_offset = value + ELFRelocation::RelocAddend64(rel);
+ memcpy(dst, &val_offset, sizeof(uint64_t));
}
break;
}
@@ -2738,7 +2739,7 @@
uint32_t *dst = reinterpret_cast<uint32_t *>(
data_buffer_sp->GetBytes() + rel_section->GetFileOffset() +
ELFRelocation::RelocOffset32(rel));
- *dst = truncated_addr;
+ memcpy(dst, &truncated_addr, sizeof(uint32_t));
}
break;
}