diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/ifunc-sel.h')
-rw-r--r-- | REORG.TODO/sysdeps/powerpc/ifunc-sel.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/ifunc-sel.h b/REORG.TODO/sysdeps/powerpc/ifunc-sel.h new file mode 100644 index 0000000000..bdb00bf2c6 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/ifunc-sel.h @@ -0,0 +1,51 @@ +/* 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 |