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--- rng-tools/rdrand_asm.S
+++ rng-tools/rdrand_asm.S
@@ -49,6 +49,7 @@
ret
ENDPROC(x86_rdrand_nlong)
+#define INIT_PIC()
#define SETPTR(var,ptr) leaq var(%rip),ptr
#define PTR0 %rdi
#define PTR1 %rsi
@@ -84,7 +85,16 @@
ret
ENDPROC(x86_rdrand_nlong)
+#if defined(__PIC__)
+#undef __i686 /* gcc builtin define gets in our way */
+#define INIT_PIC() \
+ call __i686.get_pc_thunk.bx ; \
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+#define SETPTR(var,ptr) leal (var)@GOTOFF(%ebx),ptr
+#else
+#define INIT_PIC()
#define SETPTR(var,ptr) movl $(var),ptr
+#endif
#define PTR0 %eax
#define PTR1 %edx
#define PTR2 %ecx
@@ -101,6 +111,7 @@
movl 8(%ebp), %eax
movl 12(%ebp), %edx
#endif
+ INIT_PIC()
SETPTR(aes_round_keys, PTR2)
@@ -166,6 +177,17 @@
#endif
ret
ENDPROC(x86_aes_mangle)
+
+#if defined(__i386__) && defined(__PIC__)
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
+.globl __i686.get_pc_thunk.bx
+ .hidden __i686.get_pc_thunk.bx
+ .type __i686.get_pc_thunk.bx,@function
+__i686.get_pc_thunk.bx:
+ movl (%esp), %ebx
+ ret
+#endif
+
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