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-rw-r--r--REORG.TODO/sysdeps/powerpc/ifunc-sel.h51
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