From: Phill Wombat <uml@webwombat.com>
To: UML Devel List <user-mode-linux-devel@lists.sourceforge.net>
Subject: [uml-devel] Compile UML-2.4.28+bs2 on FC4 with gcc4 - with my hack (yuk)
Date: Sun, 14 Aug 2005 16:06:06 +1000 [thread overview]
Message-ID: <1123999566.17043.9.camel@localhost.localdomain> (raw)
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cc -D__KERNEL__ -I/home/phill/linux-2.4.28/include -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common
-U__i386__ -Ui386 -DUM_FASTCALL -g -D__arch_um__ -DSUBARCH="i386"
-D_LARGEFILE64_SOURCE -I/home/phill/linux-2.4.28/arch/um/include
-Derrno=kernel_errno
-I/home/phill/linux-2.4.28/arch/um/kernel/tt/include
-I/home/phill/linux-2.4.28/arch/um/kernel/skas/include
-fno-unit-at-a-time -nostdinc -iwithprefix include
-DKBUILD_BASENAME=binfmt_elf -save-temps -c -o binfmt_elf.o binfmt_elf.c
In file included
from /home/phill/linux-2.4.28/include/asm/byteorder.h:5,
from /home/phill/linux-2.4.28/include/linux/kernel.h:16,
from /home/phill/linux-2.4.28/include/asm/arch/system.h:6,
from /home/phill/linux-2.4.28/include/asm/system-generic.h:5,
from /home/phill/linux-2.4.28/include/asm/system.h:5,
from /home/phill/linux-2.4.28/include/linux/spinlock.h:7,
from /home/phill/linux-2.4.28/include/linux/module.h:13,
from binfmt_elf.c:13:
/home/phill/linux-2.4.28/include/asm/arch/byteorder.h:14: warning: type
qualifiers ignored on function return type
/home/phill/linux-2.4.28/include/asm/arch/byteorder.h:30: warning: type
qualifiers ignored on function return type
In file included
from /home/phill/linux-2.4.28/include/linux/byteorder/little_endian.h:12,
from /home/phill/linux-2.4.28/include/asm/arch/byteorder.h:66,
from /home/phill/linux-2.4.28/include/asm/byteorder.h:5,
from /home/phill/linux-2.4.28/include/linux/kernel.h:16,
from /home/phill/linux-2.4.28/include/asm/arch/system.h:6,
from /home/phill/linux-2.4.28/include/asm/system-generic.h:5,
from /home/phill/linux-2.4.28/include/asm/system.h:5,
from /home/phill/linux-2.4.28/include/linux/spinlock.h:7,
from /home/phill/linux-2.4.28/include/linux/module.h:13,
from binfmt_elf.c:13:
/home/phill/linux-2.4.28/include/linux/byteorder/swab.h:160: warning:
type qualifiers ignored on function return type
/home/phill/linux-2.4.28/include/linux/byteorder/swab.h:173: warning:
type qualifiers ignored on function return type
/home/phill/linux-2.4.28/include/linux/byteorder/swab.h:186: warning:
type qualifiers ignored on function return type
/home/phill/linux-2.4.28/include/linux/byteorder/swab.h:200: warning:
type qualifiers ignored on function return type
binfmt_elf.c: In function ‘load_elf_binary’:
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
binfmt_elf.c:828: error: invalid lvalue in assignment
so I looked at the preprocessor output and it showed this for the macro
expansion (which looks correct??):
do { (mode_tt ? (*((unsigned long *) &(((char *)
(((&(regs)->regs)->tt.sc)))[32]))) :
((((&(regs)->regs)->skas.regs)[0]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[40]))) :
((((&(regs)->regs)->skas.regs)[1]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[36]))) :
((((&(regs)->regs)->skas.regs)[2]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[20]))) :
((((&(regs)->regs)->skas.regs)[3]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[16]))) :
((((&(regs)->regs)->skas.regs)[4]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[24]))) :
((((&(regs)->regs)->skas.regs)[5]))) = 0; (mode_tt ? (*((unsigned long
*) &(((char *) (((&(regs)->regs)->tt.sc)))[44]))) :
((((&(regs)->regs)->skas.regs)[6]))) = 0; } while(0);
which I hacked at to produce this (which compiles - don't know if it
works or is equivalent even):
if (mode_tt)
{
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[32]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[40]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[36]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[20]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[16]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[24]))) =
0;
(*((unsigned long *) &(((char *) (((&(regs)->regs)->tt.sc)))[44]))) =
0;
} else {
((((&(regs)->regs)->skas.regs)[0])) = 0;
((((&(regs)->regs)->skas.regs)[1])) = 0;
((((&(regs)->regs)->skas.regs)[2])) = 0;
((((&(regs)->regs)->skas.regs)[3])) = 0;
((((&(regs)->regs)->skas.regs)[4])) = 0;
((((&(regs)->regs)->skas.regs)[5])) = 0;
((((&(regs)->regs)->skas.regs)[6])) = 0;
};
Cheers
Phill.
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