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author | Andreas Jaeger <jaegerandi@gmail.com> | 2012-03-28 09:25:31 +0200 |
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committer | Andreas Jaeger <jaegerandi@gmail.com> | 2012-03-28 09:25:31 +0200 |
commit | 27a0f3a948f3c6eb9ea4535332277af097a35b77 (patch) | |
tree | 8fe9d9aa33045c0f3b5b93d867f859b48b0c845c /sysdeps/powerpc/ifunc-sel.h | |
parent | 7a2b3e0dcdfdfe9523c46615ea42801bd3d671a9 (diff) | |
download | glibc-27a0f3a948f3c6eb9ea4535332277af097a35b77.tar.gz glibc-27a0f3a948f3c6eb9ea4535332277af097a35b77.tar.xz glibc-27a0f3a948f3c6eb9ea4535332277af097a35b77.zip |
Move sysdeps/powerpc/elf files
* sysdeps/powerpc/elf/ifunc-sel.h: Moved to ... * sysdeps/powerpc/ifunc-sel.h: ... here. * sysdeps/powerpc/elf/rtld-global-offsets.sym: Moved to ... * sysdeps/powerpc/rtld-global-offsets.sym: ... here.
Diffstat (limited to 'sysdeps/powerpc/ifunc-sel.h')
-rw-r--r-- | sysdeps/powerpc/ifunc-sel.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/powerpc/ifunc-sel.h b/sysdeps/powerpc/ifunc-sel.h new file mode 100644 index 0000000000..526d8ed88b --- /dev/null +++ b/sysdeps/powerpc/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 |