I am trying to get Xen running under a hardened kernel. The machine is
currently booted with "selinux=1 enforcing=0". I am having trouble
compiling:
gcc -DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 -I. -I../../../tools/libxc
-Wall -fno-builtin -O2 -msoft-float -m32 -march=i686 -D__ASSEMBLY__
-DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 -c trap.S
gcc -DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 -I. -I../../../tools/libxc
-Wall -fno-builtin -O2 -msoft-float -m32 -march=i686 -c vm86.c
gcc -DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 -I. -I../../../tools/libxc
-Wall -fno-builtin -O2 -msoft-float -m32 -march=i686 -c setup.c
gcc -DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 -I. -I../../../tools/libxc
-Wall -fno-builtin -O2 -msoft-float -m32 -march=i686 -c util.c
cpp -P -DDEBUG -D_ACPI_ -DTEXTADDR=0x000D0000 vmxassist.ld > vmxassist.tmp
ld -o vmxassist -m elf_i386 -nostdlib --fatal-warnings -N -T
vmxassist.tmp head.o trap.o vm86.o setup.o util.o
vm86.o: In function `address':
vm86.c:(.text+0x19): undefined reference to `__guard'
vm86.c:(.text+0x56): undefined reference to `__stack_smash_handler'
vm86.o: In function `trace':
vm86.c:(.text+0xe9): undefined reference to `__guard'
vm86.c:(.text+0x141): undefined reference to `__guard'
vm86.c:(.text+0x15d): undefined reference to `__stack_smash_handler'
vm86.o: In function `getreg':
vm86.c:(.text+0x278): undefined reference to `__guard'
vm86.o: In function `.L23':
...etc...
I have tried various combinations of compiler using gcc-config. Neither
gcc-3.4.4 or gcc-3.3.6 seem to do any better, hardened or not
I suspect that this could be a problem with the compiler still using
some hardend profile despite me asking for a non-hardened gcc? Can
anyone please help debug this
Ed W
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