I am trying to compile kgdb for a mac mini. I first tried to use the linux kernel 2.6.15.5 with the patches present in linux-2.6.15.5-kgdb-2.4.tar.bz2 but I had some problems in link time because there was an undefined symbol "zs_kgdb_hook" in the file "/arch/ppc/platforms/pmac_setup.c". I fixed this by making the same modifications that the "powerpc-lite" patch did to "/arch/powerpc/platforms/powermac/setup.c". After these changes the kernel compiled but it hanged when I booted it.
An other problem that I had was that the powerpc-lite patch required that the i386-lite patch had been applied on beforehand. I mean, that It shouldn't be optional.
I also tried to use the latest patches on the kernel 2.6.17.8. I applied all the patches (for all architectures). An I had an other problem while compiling. The powerpc-lite patch removed the arch/ppc/kernel/ppc-stub.c file but it did not make any changes to the makefile (as the 2.4 version for 2.6.15.5 did) so the compilation failed. I made a change to the Makefile (remove the ppc-stub.c compilation) and then I got this error:
LD .tmp_vmlinux1
arch/ppc/mm/built- in.o(.text+0x514): In function `bad_page_fault':
arch/ppc/mm/fault.c:337: undefined reference to `kgdb_fault_longjmp'
kernel/built-in.o(.text+0x30dc0): In function `kgdb_set_mem':
kernel/kgdb.c:796: undefined reference to `kgdb_fault_setjmp'
kernel/built-in.o(.text+0x30e94): In function `kgdb_get_mem':
kernel/kgdb.c:779: undefined reference to `kgdb_fault_setjmp'
kernel/built-in.o(.text+0x30fbc): In function `kgdb_mem2hex':
kernel/kgdb.c:446: undefined reference to `kgdb_fault_setjmp'
kernel/built-in.o(.text+0x31140): In function `kgdb_hex2mem':
kernel/kgdb.c:571: undefined reference to `kgdb_fault_setjmp'
kernel/built-in.o(.text+0x313dc): In function `write_mem_msg':
kernel/kgdb.c:549: undefined reference to `kgdb_fault_setjmp'
kernel/built-in.o(.text+0x32058): In function `kgdb_handle_exception':
kernel/kgdb.c:1198: undefined reference to `regs_to_gdb_regs'
kernel/built-in.o(.text+0x32068):kernel/kgdb.c:1204: undefined reference to `sleeping_thread_to_gdb_regs'
kernel/built-in.o(.text+0x320b8):kernel/kgdb.c:1218: undefined reference to `gdb_regs_to_regs'
kernel/built-in.o(.text+0x329f0):kernel/kgdb.c:1499: undefined reference to `kgdb_arch_handle_exception'
kernel/built- in.o(.sdata+0x68): undefined reference to `arch_kgdb_ops'
drivers/built-in.o(.text+0x58898): In function `init_hwif_amd74xx':
drivers/ide/pci/amd74xx.c:419: undefined reference to `pci_get_legacy_ide_irq'
Does anybody know if somebody could successfully build a kernel with the kgdb patches for a mac mini with ppc processor?.
Thanks in advanced,
Rafael.
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