Comment #15 on issue 18337 by sc.contact: Linux problems building .so's on
64-bit (fPIC).
http://code.google.com/p/chromium/issues/detail?id=18337
The library.o pic problem can be fixed by the below patch as suggested to
me by the
PaX team. I think g register constraint confuses something in gcc.
--- sandbox/linux/seccomp/linux_syscall_support.h
+++ sandbox/linux/seccomp/linux_syscall_support.h
@@ -1722,7 +1722,7 @@
__asm__ __volatile__("movq %5,%%r10;
syscall" : \
"=a" (__res) : "0"
(__NR_##name), \
"D" ((long)(arg1)), "S" ((long)(arg2)), "d"
((long)(arg3)), \
- "g"
((long)(arg4)) : "r10", "r11", "rcx", "memory"); \
+ "r"
((long)(arg4)) : "r10", "r11", "rcx", "memory"); \
LSS_RETURN(type,
__res); \
}
#undef _syscall5
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