| /* 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 */ |