On 10/23/2014 08:38 PM, Jeppe Græsdal Johansen wrote:
Are you sure those are the precise steps you took? Because that should work as
you expected it unless you have a broken binutils version. It's normally very
quick to complain about incompatible ARM versions
Try to disassemble the objects in the source directory at rtl/units/arm-embedded
Those should largely contain variable length thumb2 code.
Hello,
thanks for the reply.
My program code is ok, and also lpc1768.o and the cortexm3_start code is ok.
But code from system.o is wrong.
And thanks to Michael Ring I now can be more consise:
arm-none-eabi-readelf -A lpc1768.o
Attribute Section: aeabi
File Attributes
Tag_CPU_name: "7-M"
Tag_CPU_arch: v7
Tag_CPU_arch_profile: Microcontroller
Tag_THUMB_ISA_use: Thumb-2
arm-none-eabi-readelf -A system.o
Attribute Section: aeabi
File Attributes
Tag_CPU_arch: v5TE
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-1
So why is system.o generated in the wrong version?
I think that I did everything as I said.
I will do the compiler starting from scratch again, just to be sure.
I now know where to look for.
Sietse
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