| /* Used by the elf ifunc tests. */ |
| #ifndef ELF_IFUNC_SEL_H |
| #define ELF_IFUNC_SEL_H 1 |
| |
| extern int global; |
| |
| static inline void * |
| inhibit_stack_protector |
| ifunc_sel (int (*f1) (void), int (*f2) (void), int (*f3) (void)) |
| { |
| register void *ret __asm__ ("r3"); |
| __asm__ ("mflr 12\n\t" |
| "bcl 20,31,1f\n" |
| "1:\tmflr 11\n\t" |
| "mtlr 12\n\t" |
| "addis 12,11,global-1b@ha\n\t" |
| "lwz 12,global-1b@l(12)\n\t" |
| "addis %0,11,%2-1b@ha\n\t" |
| "addi %0,%0,%2-1b@l\n\t" |
| "cmpwi 12,1\n\t" |
| "beq 2f\n\t" |
| "addis %0,11,%3-1b@ha\n\t" |
| "addi %0,%0,%3-1b@l\n\t" |
| "cmpwi 12,-1\n\t" |
| "beq 2f\n\t" |
| "addis %0,11,%4-1b@ha\n\t" |
| "addi %0,%0,%4-1b@l\n\t" |
| "2:" |
| : "=r" (ret) |
| : "i" (&global), "i" (f1), "i" (f2), "i" (f3) |
| : "11", "12", "cr0"); |
| return ret; |
| } |
| |
| static inline void * |
| inhibit_stack_protector |
| ifunc_one (int (*f1) (void)) |
| { |
| register void *ret __asm__ ("r3"); |
| __asm__ ("mflr 12\n\t" |
| "bcl 20,31,1f\n" |
| "1:\tmflr %0\n\t" |
| "mtlr 12\n\t" |
| "addis %0,%0,%1-1b@ha\n\t" |
| "addi %0,%0,%1-1b@l" |
| : "=r" (ret) |
| : "i" (f1) |
| : "12"); |
| return ret; |
| } |
| #endif |
