Today I had a strange error using the GCC version 4.4.1 with EABI support on a non thumb-ARMv4. Everytime I compiled something, with and w/o the -mno-thumb-interwork parameter it also contained the bx lr instruction which is only for later ARM processors with thumb support. Mehr…
linux, programming
arm, eabi, gcc, openwrt, thumb
While compiling OpenWrt for an ARM compatible processor I got the following error:
{standard input}: Assembler messages:
{standard input}:39: Error: selected processor does not support `bx r6'
I found the solution in the The definitive guide to GCC book from William Von Hagen (I don’t own it, I found it via Google Books). You have to disable the the USE_BX flag in the uClibc config file and everything will be fine. Mehr…
linux, programming
arm, gcc, openwrt, uClibc
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