Sections are limited to 4 GiB. Error out early if a section exceeds this
size, rather than overflowing the section size and getting confusing
assertion failures/segfaults later.
Differential Revision: https://reviews.llvm.org/D38005
llvm-svn: 313699
// Write the result.
writeResult();
+ if (ErrorCount)
+ return;
+
// Call exit to avoid calling destructors.
exit(0);
}
C->setRVA(Off);
C->OutputSectionOff = Off;
Off += C->getSize();
+ if (Off > UINT32_MAX)
+ error("section larger than 4 GiB: " + Name);
Header.VirtualSize = Off;
if (C->hasData())
Header.SizeOfRawData = alignTo(Off, SectorSize);
--- /dev/null
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-windows-msvc %s -o %tmain.obj
+# RUN: echo '.lcomm s, 0x80000000' | llvm-mc -filetype=obj -triple=x86_64-windows-msvc -o %t1.obj
+# RUN: cp %t1.obj %t2.obj
+# RUN: echo '.lcomm s, 0xffffffff' | llvm-mc -filetype=obj -triple=x86_64-windows-msvc -o %t3.obj
+
+# Run: lld-link -entry:main %tmain.obj %t3.obj -out:%t.exe
+
+# RUN: not lld-link -entry:main %tmain.obj %t1.obj %t2.obj -out:%t.exe 2>&1 | FileCheck %s
+# CHECK: error: section larger than 4 GiB: .bss
+
+.globl main
+main:
+ retq