[U-Boot] [PATCH 11/12] arm: lib: Split asm symbols into different .text subsections

Stephen Warren
2016-06-03T16:02:52Z

On 05/26/2016 10:01 AM, Marek Vasut wrote:
> Split each symbol in lib1funcs into different .text.foo section instead
> of placing all of them into plain .text . This allows the linker to collect
> and discard unused assembler symbols.

This patch causes Tegra-boards-that-use-SPL (i.e. all ARMv7 boards but
not ARMv8) to fail to boot with zero output. Taking u-boot.git master
branch and reverting this one patch is enough to make U-Boot work again.

I haven't investigated how to solve this yet. Likely relevant background:

32-bit Tegra SPL runs on an ARM1176 CPU whereas main U-Boot runs on an
ARMv7 CPU. We need to use PRIVATE_LIBGCC (at least for SPL) since the
libgcc in the toolchains we use is compiled for ARMv7, and hence picking
it up in SPL breaks boot. I wonder if these section name changes are
causing the linker to pull in the toolchain's libgcc rather than using
U-Boot's copy compiled for ARM1176?