From 404aeae4545d2426c089a5f8d5e82dae56f5212b Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Fri, 29 Dec 2023 21:31:53 +0100
Subject: Make Nix builds work

---
 .../github.com/modern-go/reflect2/unsafe_link.go   | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 vendor/github.com/modern-go/reflect2/unsafe_link.go

(limited to 'vendor/github.com/modern-go/reflect2/unsafe_link.go')

diff --git a/vendor/github.com/modern-go/reflect2/unsafe_link.go b/vendor/github.com/modern-go/reflect2/unsafe_link.go
new file mode 100644
index 0000000..b49f614
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/unsafe_link.go
@@ -0,0 +1,76 @@
+package reflect2
+
+import "unsafe"
+
+//go:linkname unsafe_New reflect.unsafe_New
+func unsafe_New(rtype unsafe.Pointer) unsafe.Pointer
+
+//go:linkname typedmemmove reflect.typedmemmove
+func typedmemmove(rtype unsafe.Pointer, dst, src unsafe.Pointer)
+
+//go:linkname unsafe_NewArray reflect.unsafe_NewArray
+func unsafe_NewArray(rtype unsafe.Pointer, length int) unsafe.Pointer
+
+// typedslicecopy copies a slice of elemType values from src to dst,
+// returning the number of elements copied.
+//go:linkname typedslicecopy reflect.typedslicecopy
+//go:noescape
+func typedslicecopy(elemType unsafe.Pointer, dst, src sliceHeader) int
+
+//go:linkname mapassign reflect.mapassign
+//go:noescape
+func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer, val unsafe.Pointer)
+
+//go:linkname mapaccess reflect.mapaccess
+//go:noescape
+func mapaccess(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer) (val unsafe.Pointer)
+
+//go:noescape
+//go:linkname mapiternext reflect.mapiternext
+func mapiternext(it *hiter)
+
+//go:linkname ifaceE2I reflect.ifaceE2I
+func ifaceE2I(rtype unsafe.Pointer, src interface{}, dst unsafe.Pointer)
+
+// A hash iteration structure.
+// If you modify hiter, also change cmd/internal/gc/reflect.go to indicate
+// the layout of this structure.
+type hiter struct {
+	key         unsafe.Pointer
+	value       unsafe.Pointer
+	t           unsafe.Pointer
+	h           unsafe.Pointer
+	buckets     unsafe.Pointer
+	bptr        unsafe.Pointer
+	overflow    *[]unsafe.Pointer
+	oldoverflow *[]unsafe.Pointer
+	startBucket uintptr
+	offset      uint8
+	wrapped     bool
+	B           uint8
+	i           uint8
+	bucket      uintptr
+	checkBucket uintptr
+}
+
+// add returns p+x.
+//
+// The whySafe string is ignored, so that the function still inlines
+// as efficiently as p+x, but all call sites should use the string to
+// record why the addition is safe, which is to say why the addition
+// does not cause x to advance to the very end of p's allocation
+// and therefore point incorrectly at the next block in memory.
+func add(p unsafe.Pointer, x uintptr, whySafe string) unsafe.Pointer {
+	return unsafe.Pointer(uintptr(p) + x)
+}
+
+// arrayAt returns the i-th element of p,
+// an array whose elements are eltSize bytes wide.
+// The array pointed at by p must have at least i+1 elements:
+// it is invalid (but impossible to check here) to pass i >= len,
+// because then the result will point outside the array.
+// whySafe must explain why i < len. (Passing "i < len" is fine;
+// the benefit is to surface this assumption at the call site.)
+func arrayAt(p unsafe.Pointer, i int, eltSize uintptr, whySafe string) unsafe.Pointer {
+	return add(p, uintptr(i)*eltSize, "i < len")
+}
-- 
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