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Questions on binutils for mips64vr4300-elf target


Hello, everyone,

I am trying to build a mips64vr4300-elf toolchain for eCos, actually they
have some patch on egcs, and insight5.0, but I think the problems I met
don't relate too much on their patch.

I applied binutils2.10 release, egcs-2000-5-30 snapshot and gdb5.0. After
successfully run through the process to build the toolchain. I tried to test
them on my NEC MIPS VR4373 evaltion board, after I downloaded the code via
serial port, I can not even break at main(), since the debugger complains
"Cannot access memory at address 0x0". I then tried it on the simulator
target, the debugger complains ""mips-core: 1 byte write to unmapped address
0xc1000007 at 0x0". Another guy on eCos list also met the same problem ever,
he said the problem can be elimnated by turning off "--gc-sections",
actually I tried it, but at least when run it in "target sim", the same
error message came out.

Basically my question is if this the the linker problem from binutils2.10,
and is there anyone who successfully use MIPS64 cross platform, can you
kindly tell me what version of binutil, gcc and gdb that you use?

Thanks!

Rgds,
-Ling




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