1 files changed, 201 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/encoder/x86/debug_go117.go b/vendor/github.com/bytedance/sonic/internal/encoder/x86/debug_go117.go
new file mode 100644
index 000000000..0aca3f4c5
--- /dev/null
+++ b/vendor/github.com/bytedance/sonic/internal/encoder/x86/debug_go117.go
@@ -0,0 +1,201 @@
+//go:build go1.17 && !go1.24
+// +build go1.17,!go1.24
+
+/*
+ * Copyright 2021 ByteDance Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package x86
+
+import (
+	"fmt"
+	"runtime"
+	"strings"
+	"unsafe"
+
+	"github.com/bytedance/sonic/internal/encoder/ir"
+	"github.com/bytedance/sonic/internal/encoder/vars"
+	"github.com/bytedance/sonic/internal/jit"
+	"github.com/twitchyliquid64/golang-asm/obj"
+)
+
+const _FP_debug = 128
+
+var (
+	_Instr_End = ir.NewInsOp(ir.OP_is_nil)
+
+	_F_gc      = jit.Func(gc)
+	_F_println = jit.Func(println_wrapper)
+	_F_print   = jit.Func(print)
+)
+
+func (self *Assembler) dsave(r ...obj.Addr) {
+	for i, v := range r {
+		if i > _FP_debug/8-1 {
+			panic("too many registers to save")
+		} else {
+			self.Emit("MOVQ", v, jit.Ptr(_SP, _FP_fargs+_FP_saves+_FP_locals+int64(i)*8))
+		}
+	}
+}
+
+func (self *Assembler) dload(r ...obj.Addr) {
+	for i, v := range r {
+		if i > _FP_debug/8-1 {
+			panic("too many registers to load")
+		} else {
+			self.Emit("MOVQ", jit.Ptr(_SP, _FP_fargs+_FP_saves+_FP_locals+int64(i)*8), v)
+		}
+	}
+}
+
+func println_wrapper(i int, op1 int, op2 int) {
+	println(i, " Intrs ", op1, ir.OpNames[op1], "next: ", op2, ir.OpNames[op2])
+}
+
+func print(i int) {
+	println(i)
+}
+
+func gc() {
+	if !vars.DebugSyncGC {
+		return
+	}
+	runtime.GC()
+	// debug.FreeOSMemory()
+}
+
+func (self *Assembler) dcall(fn obj.Addr) {
+	self.Emit("MOVQ", fn, _R10) // MOVQ ${fn}, R10
+	self.Rjmp("CALL", _R10)     // CALL R10
+}
+
+func (self *Assembler) debug_gc() {
+	if !vars.DebugSyncGC {
+		return
+	}
+	self.dsave(_REG_debug...)
+	self.dcall(_F_gc)
+	self.dload(_REG_debug...)
+}
+
+func (self *Assembler) debug_instr(i int, v *ir.Instr) {
+	if vars.DebugSyncGC {
+		if i+1 == len(self.p) {
+			self.print_gc(i, v, &_Instr_End)
+		} else {
+			next := &(self.p[i+1])
+			self.print_gc(i, v, next)
+			name := ir.OpNames[next.Op()]
+			if strings.Contains(name, "save") {
+				return
+			}
+		}
+		// self.debug_gc()
+	}
+}
+
+//go:noescape
+//go:linkname checkptrBase runtime.checkptrBase
+func checkptrBase(p unsafe.Pointer) uintptr
+
+//go:noescape
+//go:linkname findObject runtime.findObject
+func findObject(p, refBase, refOff uintptr) (base uintptr, s unsafe.Pointer, objIndex uintptr)
+
+var (
+	_F_checkptr = jit.Func(checkptr)
+	_F_printptr = jit.Func(printptr)
+)
+
+var (
+	_R10 = jit.Reg("R10")
+)
+var _REG_debug = []obj.Addr{
+	jit.Reg("AX"),
+	jit.Reg("BX"),
+	jit.Reg("CX"),
+	jit.Reg("DX"),
+	jit.Reg("DI"),
+	jit.Reg("SI"),
+	jit.Reg("BP"),
+	jit.Reg("SP"),
+	jit.Reg("R8"),
+	jit.Reg("R9"),
+	jit.Reg("R10"),
+	jit.Reg("R11"),
+	jit.Reg("R12"),
+	jit.Reg("R13"),
+	jit.Reg("R14"),
+	jit.Reg("R15"),
+}
+
+func checkptr(ptr uintptr) {
+	if ptr == 0 {
+		return
+	}
+	fmt.Printf("pointer: %x\n", ptr)
+	f := checkptrBase(unsafe.Pointer(uintptr(ptr)))
+	if f == 0 {
+		fmt.Printf("! unknown-based pointer: %x\n", ptr)
+	} else if f == 1 {
+		fmt.Printf("! stack pointer: %x\n", ptr)
+	} else {
+		fmt.Printf("base: %x\n", f)
+	}
+	findobj(ptr)
+}
+
+func findobj(ptr uintptr) {
+	base, s, objIndex := findObject(ptr, 0, 0)
+	if s != nil && base == 0 {
+		fmt.Printf("! invalid pointer: %x\n", ptr)
+	}
+	fmt.Printf("objIndex: %d\n", objIndex)
+}
+
+func (self *Assembler) check_ptr(ptr obj.Addr, lea bool) {
+	if !vars.DebugCheckPtr {
+		return
+	}
+
+	self.dsave(_REG_debug...)
+	if lea {
+		self.Emit("LEAQ", ptr, _R10)
+	} else {
+		self.Emit("MOVQ", ptr, _R10)
+	}
+	self.Emit("MOVQ", _R10, jit.Ptr(_SP, 0))
+	self.dcall(_F_checkptr)
+	self.dload(_REG_debug...)
+}
+
+func printptr(i int, ptr uintptr) {
+	fmt.Printf("[%d] ptr: %x\n", i, ptr)
+}
+
+func (self *Assembler) print_ptr(i int, ptr obj.Addr, lea bool) {
+	self.dsave(_REG_debug...)
+	if lea {
+		self.Emit("LEAQ", ptr, _R10)
+	} else {
+		self.Emit("MOVQ", ptr, _R10)
+	}
+
+	self.Emit("MOVQ", jit.Imm(int64(i)), _AX)
+	self.Emit("MOVQ", _R10, _BX)
+	self.dcall(_F_printptr)
+	self.dload(_REG_debug...)
+}