[PARISC] import necessary bits of libgcc.a

Currently we're hacking libs-y to include libgcc.a, but this has
unforeseen consequences since the userspace libgcc is linked with fpregs
enabled. We need the kernel to stop using fpregs in an uncontrolled manner
to implement lazy fpu state saves.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/parisc/lib/libgcc/libgcc.h b/arch/parisc/lib/libgcc/libgcc.h
new file mode 100644
index 000000000000..5a6f7a510fbd
--- /dev/null
+++ b/arch/parisc/lib/libgcc/libgcc.h
@@ -0,0 +1,32 @@
+#ifndef _PA_LIBGCC_H_
+#define _PA_LIBGCC_H_
+
+#include <linux/types.h>
+#include <linux/module.h>
+
+/* Cribbed from klibc/libgcc/ */
+u64 __ashldi3(u64 v, int cnt);
+u64 __ashrdi3(u64 v, int cnt);
+
+u32 __clzsi2(u32 v);
+
+s64 __divdi3(s64 num, s64 den);
+s32 __divsi3(s32 num, s32 den);
+
+u64 __lshrdi3(u64 v, int cnt);
+
+s64 __moddi3(s64 num, s64 den);
+s32 __modsi3(s32 num, s32 den);
+
+u64 __udivdi3(u64 num, u64 den);
+u32 __udivsi3(u32 num, u32 den);
+
+u64 __udivmoddi4(u64 num, u64 den, u64 * rem_p);
+u32 __udivmodsi4(u32 num, u32 den, u32 * rem_p);
+
+u64 __umulsidi3(u32 u, u32 v);
+
+u64 __umoddi3(u64 num, u64 den);
+u32 __umodsi3(u32 num, u32 den);
+
+#endif /*_PA_LIBGCC_H_*/