Thanks for the advise; unfortunately, it does not work... :-<< I did some additional tests, and all symbols in the .text-segment are OK, the others use the same .text offset....
Fred -----Original Message----- From: Rudolf Ladyzhenskii To: 'Goddeeris Frederic' Sent: 12/7/01 1:38 AM Subject: RE: insmod / add-symbol-file try compiler option -ggdb Rudolf > -----Original Message----- > From: Goddeeris Frederic [mailto:Frederic.Goddeeris at siemens.atea.be] > Sent: Thursday, December 06, 2001 11:10 PM > To: 'linuxppc-embedded at lists.linuxppc.org' > Subject: insmod / add-symbol-file > > > > Hi, > > I am loading a kernel module (insmod) on the target and get > the following > info: > .... > Sections: Size Address Align > .this 00000060 c4843000 2**2 > .text 00000470 c4843060 2**2 > .rodata 00000244 c48434d0 2**2 > .data 00000058 c4843714 2**2 > .sdata 00000014 c484376c 2**2 > .vtop_fixup 00000004 c4843780 2**1 > .kstrtab 0000008f c4843784 2**0 > .bss 00000014 c4843814 2**2 > .plt 00000040 c4843830 2**4 > __ksymtab 00000058 c4843870 2**2 > ..... > c484376c d .sdata > ..... > c4843774 D f_PWMCounter > ..... > > In GDB I load the symbol-table: > (gdb) add-symbol-file TestDrv.o -T.text 0xc4843060 -T.sdata 0xc484376c > -T.data 0xc4843714 > add symbol table from file "TestDrv.o" at > .text_addr = 0xc4843060 > .sdata_addr = 0xc484376c > .data_addr = 0xc4843714 > > I am able to set breakpoints and step in the code, but gdb > does think the > variable f_PWMCounter is at 0xc4843068 (this is .text+8) > while it is at > 0xc4843774 (this is .sdata+8) .... > > (When I ask to show *((char*)0x0xc4843774), I get the correct > value, so MMU > translation is working...) > > When ask for an objdump of the file I see: > 00000008 g O .sdata 00000001 f_PWMCounter > > So I am wondering why gdb does not see this variable is in the .sdata > section. > > I use the gcc and gdb from the MontaVista CDK 2.0 for > PPC_8xx. I compiled > the module with "-O2 -g" options. > > Thanks, > Frederic > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
