On Sun, May 04, 2025 at 03:12:07PM +0000, Johannes Krottmayer wrote: > Hello U-Boot list members! > > There exist an issue with the newly GNU binutils version 2.44 when > trying to build U-Boot at link time. > > Error output: > $ make stm32h743-eval_defconfig > $ make > [...] > LD u-boot > arm-none-eabi-ld.bfd: warning: -z norelro ignored > arm-none-eabi-ld.bfd: arch/arm/cpu/armv7m/start.o(c_runtime_cpu_setup): > Unknown destination type (ARM/Thumb) in arch/arm/lib/crt0.o > arch/arm/lib/crt0.o: in function `_main': > /home/jk/Projects/U-Boot/src/arch/arm/lib/crt0.S:170:(.text+0x44): > dangerous relocation: unsupported relocation > make[1]: *** [/home/jk/Projects/U-Boot/src/Makefile:1824: u-boot] Error 1 > make[1]: Leaving directory '/home/jk/Projects/U-Boot/build' > make: *** [Makefile:177: sub-make] Error 2 > $ > > I have tried to fixed it with success. Simply added the assembler > directive ".type c_runtime_cpu_setup, %function" after > ".globl c_runtime_cpu_setup". under the path: > > arch/arm/cpu/armv7m/start.S > > The binutils patch with cause this building error is explained > at least in the following commit in the binutils git repo: > 31ed3a9d691493486f6e32357d89a55229dbdc0a > > Extract from the log: > > "This patch emits an error instead, and warns in some other > cases, to encourage users to add the missing '.type foo,%function' > directive." > > But I don't know if this only exist on ARMv7-M.
Thanks for the report. Would you mind submitting a patch to at least fix that case? It'll help in the future with other reports. -- Tom
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