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authorAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:25:31 +0200
committerAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:25:31 +0200
commit27a0f3a948f3c6eb9ea4535332277af097a35b77 (patch)
tree8fe9d9aa33045c0f3b5b93d867f859b48b0c845c /sysdeps/powerpc/ifunc-sel.h
parent7a2b3e0dcdfdfe9523c46615ea42801bd3d671a9 (diff)
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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.h46
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