From 6e6507bf77466754c8e949809a4e62569c085c90 Mon Sep 17 00:00:00 2001 From: Damian Gryski Date: Thu, 3 Oct 2024 12:03:32 -0700 Subject: runtime: add gc layout info for some basic types --- src/runtime/string.go | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'src/runtime/string.go') diff --git a/src/runtime/string.go b/src/runtime/string.go index aeefe1d4f..54485dfc2 100644 --- a/src/runtime/string.go +++ b/src/runtime/string.go @@ -3,6 +3,7 @@ package runtime // This file implements functions related to Go strings. import ( + "internal/gclayout" "unsafe" ) @@ -59,7 +60,7 @@ func stringConcat(x, y _string) _string { return x } else { length := x.length + y.length - buf := alloc(length, nil) + buf := alloc(length, gclayout.NoPtrs) memcpy(buf, unsafe.Pointer(x.ptr), x.length) memcpy(unsafe.Add(buf, x.length), unsafe.Pointer(y.ptr), y.length) return _string{ptr: (*byte)(buf), length: length} @@ -72,7 +73,7 @@ func stringFromBytes(x struct { len uintptr cap uintptr }) _string { - buf := alloc(x.len, nil) + buf := alloc(x.len, gclayout.NoPtrs) memcpy(buf, unsafe.Pointer(x.ptr), x.len) return _string{ptr: (*byte)(buf), length: x.len} } @@ -83,7 +84,7 @@ func stringToBytes(x _string) (slice struct { len uintptr cap uintptr }) { - buf := alloc(x.length, nil) + buf := alloc(x.length, gclayout.NoPtrs) memcpy(buf, unsafe.Pointer(x.ptr), x.length) slice.ptr = (*byte)(buf) slice.len = x.length @@ -100,7 +101,7 @@ func stringFromRunes(runeSlice []rune) (s _string) { } // Allocate memory for the string. - s.ptr = (*byte)(alloc(s.length, nil)) + s.ptr = (*byte)(alloc(s.length, gclayout.NoPtrs)) // Encode runes to UTF-8 and store the resulting bytes in the string. index := uintptr(0) -- cgit v1.2.3