I'm trying to debug Linux kernel on the Sandpoint X3 with MPC755 CPU board.
I'm using BDI 2000 with GDB.
I configured gdb v.5.3 as follows
configure --prefix=/usr/local/cross-ppc/host/intel/ --target=powerpc-linux
While I used the gdb with BDI, the breakpoints set by gdb do not work well.
It doesn't stop.
After a while, I typed Ctrl-C to stop it. Then it shows the messages shown
below.
And then it terminates. Could it be GDB configuration problem?
Has anybody got similar problem?
Thanks in advance.
Dong-In
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Program received signal SIGSTOP, Stopped (signal).
0x0000d048 in todc_mc146818_read_val (addr=255)
at
/opt/hardhat/previewkit/kernel/linux-2.4.17_mvl21/include/asm/io.h:299
299 __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio" : "=r" (ret) :
"m" (*addr));
(gdb) s
Cannot remove breakpoints because program is no longer writable.
It might be running in another process.
Further execution is probably impossible.
todc_mc146818_read_val (addr=32) at todc_time.c:119
119 return inb(todc_info->nvram_data);
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