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/* Copyright 2013-2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __ASM_UTILS_H
#define __ASM_UTILS_H
/*
* Do NOT use the immediate load helpers with symbols
* only with constants. Symbols will _not_ be resolved
* by the linker since we are building -pie, and will
* instead generate relocs of a type our little built-in
* relocator can't handle
*/
/* Load an immediate 64-bit value into a register */
#define LOAD_IMM64(r, e) \
lis r,(e)@highest; \
ori r,r,(e)@higher; \
rldicr r,r, 32, 31; \
oris r,r, (e)@h; \
ori r,r, (e)@l;
/* Load an immediate 32-bit value into a register */
#define LOAD_IMM32(r, e) \
lis r,(e)@h; \
ori r,r,(e)@l;
/* Load an address via the TOC */
#define LOAD_ADDR_FROM_TOC(r, e) ld r,e@got(%r2)
#endif /* __ASM_UTILS_H */
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