[coldfire-gnu-discuss] Problems with 5282evb

[Nathan Sidwell]

Tien Truong wrote:

> m68k-elf-gcc -mcpu=5282 
> -T"C:\cvs_test\validation_suites\Benchmarks\eembc_1_1\to
> plevel\th\gnucoldfire\al\m5282evb-ram-hosted.ld"  -g  -o 
> gnucoldfire/bin/ttsprk0
> 1.elf gnucoldfire/obj/ttsprk01/algotst.o 
> gnucoldfire/obj/ttsprk01/bmark.o  gnuco
> ldfire/obj/thobjs.a
> c:/program files/codesourcery/sourcery 
> g++/bin/../lib/gcc/m68k-elf/4.1.1/../../.
> ./../m68k-elf/lib/m5208\libcf.a(cf-crt1.o): In function `__start1':
> cf-crt1.c:(.text+0xaa): undefined reference to `main'
> collect2: ld returned 1 exit status
> make: *** [gnucoldfire/bin/ttsprk01.elf] Error 1

This is expected behaviour of the coldfire toolchains (I won't go into the 
details here).  You can add '-u main' to your link line to resolve it.  Here is 
an example that shows the failure without -u and success with -u.

nathan at cugel:16>m68k-elf-gcc -c hello.c

nathan at cugel:19>m68k-elf-ar cr libhello.a hello.o

nathan at cugel:22>m68k-elf-gcc -T m5208evb-ram-hosted.ld -l hello
/scratch/nathan/cf-elf/install/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib/libcf.a(cf-crt1.o): 
In function `__start1':
/home/nathan/cf/src/newlib-20060320/libgloss/m68k/cf-crt1.c:57: undefined 
reference to `main'
collect2: ld returned 1 exit status

nathan at cugel:23>m68k-elf-gcc -u main -T m5208evb-ram-hosted.ld -l hello

nathan

-- 
Nathan Sidwell    ::   http://www.codesourcery.com   ::         CodeSourcery
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