fixes

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/arm64/jump-patch.h b/lib/arm64/jump-patch.h
index c42c730..aa818d3 100644
--- a/lib/arm64/jump-patch.h
+++ b/lib/arm64/jump-patch.h
@@ -3,20 +3,20 @@
 #define MAX_JUMP_PATCH_SIZE 12
 #define MAX_REWRITTEN_SIZE (7 * 2 * 4) /* also conservative */
 static inline int jump_patch_size(uintptr_t pc, uintptr_t dpc,
-                                  struct arch_dis_ctx arch,
+                                  UNUSED struct arch_dis_ctx arch,
                                   bool force) {
     intptr_t diff = (dpc & ~0xfff) - (pc & ~0xfff);
     if (!(diff >= -0x100000000 && diff < 0x100000000))
         return force ? 16 : -1;
-    else if (pc & 0xfff)
+    else if (!(dpc & 0xfff))
         return 8;
     else
         return 12;
 }
 
 static inline void make_jump_patch(void **codep, uintptr_t pc, uintptr_t dpc,
-                                   struct arch_dis_ctx arch) {
-    int reg = 12; /* XXX */
+                                   UNUSED struct arch_dis_ctx arch) {
+    int reg = 15;
     intptr_t diff = (dpc & ~0xfff) - (pc & ~0xfff);
     if (!(diff >= -0x100000000 && diff < 0x100000000))
         MOVi64(codep, reg, dpc);