feat: not use rbp when callling C func

bytedance · Sep 14, 2023 · 4beeb40 · 4beeb40
1 parent 502d34c
commit 4beeb40
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/internal/decoder/assembler_regabi_amd64.go b/internal/decoder/assembler_regabi_amd64.go
@@ -420,9 +420,9 @@ func (self *_Assembler) call_go(fn obj.Addr) {
 }
 
 func (self *_Assembler) callc(fn obj.Addr) {
-    self.Emit("XCHGQ", _IP, _BP)
+    self.save(_IP)
     self.call(fn)
-    self.Emit("XCHGQ", _IP, _BP)
+    self.load(_IP)
 }
 
 func (self *_Assembler) call_c(fn obj.Addr) {

diff --git a/internal/decoder/generic_regabi_amd64.go b/internal/decoder/generic_regabi_amd64.go
@@ -119,9 +119,9 @@ func (self *_ValueDecoder) call_go(fn obj.Addr) {
 }
 
 func (self *_ValueDecoder) callc(fn obj.Addr) {
-    self.Emit("XCHGQ", _IP, _BP)
+    self.save(_IP)  
     self.call(fn)
-    self.Emit("XCHGQ", _IP, _BP)
+    self.load(_IP)  
 }
 
 func (self *_ValueDecoder) call_c(fn obj.Addr) {