On Fri, Feb 13, 2026 at 08:05:00PM -0500, Nicholas Vinson wrote: > Starting with ld.llvm-21, any attempt create a non-relocatable binary and set > one more secton addresses below 0x400000 results in a linker error. > Furthermore, > the differences between ld.bfd and ld.lld made finding a proper set of > command-line flags tht worked with both linkers and bypass the image base > address restriction difficult. Therefore, the approach of using a custom > linker > script was adopted to solve the issue. > > This approach was tested using: > > ../configure CC=clang CXX=clang++ LDFLAGS="-fuse-ld=lld" > TARGET_LDFLAGS="-fuse-ld=lld" --with-platform=pc > ../configure CC=clang CXX=clang++ --with-platform=pc (both with ld.lld as the > default and ld.bfd as the default) > ../configure CC=gcc CXX=g++ --with-platform=pc > > and a VM was used for testing. To build the disk images the VM was booted > with, > the following scripts were used:
[...] > In all cases, the VM successfully booted to the standard GRUB prompt. > > Nicholas Vinson (9): > i386/pc/int.h: conditionally apply regparm attr. > grub-core: Update kernel image generation > i386-cygwin-img-ld.sc -> i386-cygwin-img.lds > Revert "configure: Print a more helpful error if autoconf-archive is > not installed" > Revert "configure: Check linker for --image-base support" > Revert "INSTALL: Add note that the GNU Autoconf Archive may be needed" > configure: drop -Ttext checks for i386-pc > configure.ac: Add --image-base check for non-i386 > conf/i386-cygwin-img.lds: Update to use _grub_text_base symbol Still Windows builds are broken... :-( ./configure --build=x86_64-linux-gnu --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --with-platform=efi --enable-stack-protector [...] checking whether x86_64-w64-mingw32-objcopy works for absolute addresses... configure: error: x86_64-w64-mingw32-gcc cannot link at address 0x2000 The INSTALL file lists compilers packages which are needed to build GRUB for all architectures and platforms. Daniel _______________________________________________ Grub-devel mailing list [email protected] https://lists.gnu.org/mailman/listinfo/grub-devel
