I am compiling the linux kernel version 2.2.10 with -g option in the
CFLAGS of the toplevel makefile. I get a compilation error when compiling
sched.c:
gcc -D__KERNEL__ -I/usr/src/linux-2.2.10/include -Wall -Wstrict-prototypes
-g -D__SMP__ -pipe -fno-strength-reduce -m486 -malign-loops=2
-malign-jumps=2 -malign-functions=2 -DCPU=686 -DEXPORT_SYMTAB -c
signal.c
gcc -D__KERNEL__ -I/usr/src/linux-2.2.10/include -Wall -Wstrict-prototypes
-g -D__SMP__ -pipe -fno-strength-reduce -m486 -malign-loops=2
-malign-jumps=2 -malign-functions=2 -DCPU=686 -DEXPORT_SYMTAB -c ksyms.c
gcc -D__KERNEL__ -I/usr/src/linux-2.2.10/include -Wall -Wstrict-prototypes
-g -D__SMP__ -pipe -fno-strength-reduce -m486 -malign-loops=2
-malign-jumps=2 -malign-functions=2 -DCPU=686 -fno-omit-frame-pointer -c
-o sched.o sched.c
sched.c: In function `schedule':
sched.c:867: fixed or forbidden register 7 (sp) was spilled for class
GENERAL_REGS.
This may be due to a compiler bug or to impossible asm
statements or clauses.
cpp: output pipe has been closed
make[2]: *** [sched.o] Error 1
make[2]: Leaving directory `/usr/src/linux-2.2.10/kernel'
make[1]: *** [first_rule] Error 2
make[1]: Leaving directory `/usr/src/linux-2.2.10/kernel'
make: *** [_dir_kernel] Error 2
uname -a
Linux linpqs 2.2.10 #4 SMP Fri Jul 9 19:16:11 IST 1999 i586 unknown
gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/specs
gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)
Is this a known bug? or is there something wrong with my compiler?
Actually, I was recompiling the kernel for supporting debugging thru
kdebug ver 1.1. Is this the latest?
Thanks and regards,
Raju
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