diff options
Diffstat (limited to 'sysdeps/powerpc/elf/ifunc-sel.h')
-rw-r--r-- | sysdeps/powerpc/elf/ifunc-sel.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/powerpc/elf/ifunc-sel.h b/sysdeps/powerpc/elf/ifunc-sel.h new file mode 100644 index 0000000000..526d8ed88b --- /dev/null +++ b/sysdeps/powerpc/elf/ifunc-sel.h @@ -0,0 +1,46 @@ +/* Used by the elf ifunc tests. */ +#ifndef ELF_IFUNC_SEL_H +#define ELF_IFUNC_SEL_H 1 + +extern int global; + +static inline void * +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" + "beqlr\n\t" + "addis %0,11,%3-1b@ha\n\t" + "addi %0,%0,%3-1b@l\n\t" + "cmpwi 12,-1\n\t" + "beqlr\n\t" + "addis %0,11,%4-1b@ha\n\t" + "addi %0,%0,%4-1b@l" + : "=r" (ret) + : "X" (&global), "X" (f1), "X" (f2), "X" (f3)); + return ret; +} + +static inline void * +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) + : "X" (f1)); + return ret; +} +#endif |