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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2024-05-06 08:50:47 +0000
committerLibravatar GitHub <noreply@github.com>2024-05-06 08:50:47 +0000
commita5f28fe0c923984c263592e82bbce99b0032b794 (patch)
tree403544ad5305eb171a85d2b4c59559f83abd87a7 /vendor/github.com/cloudwego/iasm/x86_64/utils.go
parent[chore]: Bump golang.org/x/image from 0.15.0 to 0.16.0 (#2898) (diff)
downloadgotosocial-a5f28fe0c923984c263592e82bbce99b0032b794.tar.xz
[chore]: Bump github.com/gin-contrib/gzip from 1.0.0 to 1.0.1 (#2899)
Bumps [github.com/gin-contrib/gzip](https://github.com/gin-contrib/gzip) from 1.0.0 to 1.0.1. - [Release notes](https://github.com/gin-contrib/gzip/releases) - [Changelog](https://github.com/gin-contrib/gzip/blob/master/.goreleaser.yaml) - [Commits](https://github.com/gin-contrib/gzip/compare/v1.0.0...v1.0.1) --- updated-dependencies: - dependency-name: github.com/gin-contrib/gzip dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/cloudwego/iasm/x86_64/utils.go')
-rw-r--r--vendor/github.com/cloudwego/iasm/x86_64/utils.go147
1 files changed, 147 insertions, 0 deletions
diff --git a/vendor/github.com/cloudwego/iasm/x86_64/utils.go b/vendor/github.com/cloudwego/iasm/x86_64/utils.go
new file mode 100644
index 000000000..56c107ff5
--- /dev/null
+++ b/vendor/github.com/cloudwego/iasm/x86_64/utils.go
@@ -0,0 +1,147 @@
+//
+// Copyright 2024 CloudWeGo Authors
+//
+// 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_64
+
+import (
+ `encoding/binary`
+ `errors`
+ `reflect`
+ `strconv`
+ `unicode/utf8`
+ `unsafe`
+)
+
+const (
+ _CC_digit = 1 << iota
+ _CC_ident
+ _CC_ident0
+ _CC_number
+)
+
+func ispow2(v uint64) bool {
+ return (v & (v - 1)) == 0
+}
+
+func isdigit(cc rune) bool {
+ return '0' <= cc && cc <= '9'
+}
+
+func isalpha(cc rune) bool {
+ return (cc >= 'a' && cc <= 'z') || (cc >= 'A' && cc <= 'Z')
+}
+
+func isident(cc rune) bool {
+ return cc == '_' || isalpha(cc) || isdigit(cc)
+}
+
+func isident0(cc rune) bool {
+ return cc == '_' || isalpha(cc)
+}
+
+func isnumber(cc rune) bool {
+ return (cc == 'b' || cc == 'B') ||
+ (cc == 'o' || cc == 'O') ||
+ (cc == 'x' || cc == 'X') ||
+ (cc >= '0' && cc <= '9') ||
+ (cc >= 'a' && cc <= 'f') ||
+ (cc >= 'A' && cc <= 'F')
+}
+
+func align(v int, n int) int {
+ return (((v - 1) >> n) + 1) << n
+}
+
+func append8(m *[]byte, v byte) {
+ *m = append(*m, v)
+}
+
+func append16(m *[]byte, v uint16) {
+ p := len(*m)
+ *m = append(*m, 0, 0)
+ binary.LittleEndian.PutUint16((*m)[p:], v)
+}
+
+func append32(m *[]byte, v uint32) {
+ p := len(*m)
+ *m = append(*m, 0, 0, 0, 0)
+ binary.LittleEndian.PutUint32((*m)[p:], v)
+}
+
+func append64(m *[]byte, v uint64) {
+ p := len(*m)
+ *m = append(*m, 0, 0, 0, 0, 0, 0, 0, 0)
+ binary.LittleEndian.PutUint64((*m)[p:], v)
+}
+
+func expandmm(m *[]byte, n int, v byte) {
+ sl := (*_GoSlice)(unsafe.Pointer(m))
+ nb := sl.len + n
+
+ /* grow as needed */
+ if nb > cap(*m) {
+ *m = growslice(byteType, *m, nb)
+ }
+
+ /* fill the new area */
+ memset(unsafe.Pointer(uintptr(sl.ptr) + uintptr(sl.len)), v, uintptr(n))
+ sl.len = nb
+}
+
+func memset(p unsafe.Pointer, c byte, n uintptr) {
+ if c != 0 {
+ memsetv(p, c, n)
+ } else {
+ memclrNoHeapPointers(p, n)
+ }
+}
+
+func memsetv(p unsafe.Pointer, c byte, n uintptr) {
+ for i := uintptr(0); i < n; i++ {
+ *(*byte)(unsafe.Pointer(uintptr(p) + i)) = c
+ }
+}
+
+func literal64(v string) (uint64, error) {
+ var nb int
+ var ch rune
+ var ex error
+ var mm [12]byte
+
+ /* unquote the runes */
+ for v != "" {
+ if ch, _, v, ex = strconv.UnquoteChar(v, '\''); ex != nil {
+ return 0, ex
+ } else if nb += utf8.EncodeRune(mm[nb:], ch); nb > 8 {
+ return 0, errors.New("multi-char constant too large")
+ }
+ }
+
+ /* convert to uint64 */
+ return *(*uint64)(unsafe.Pointer(&mm)), nil
+}
+
+var (
+ byteWrap = reflect.TypeOf(byte(0))
+ byteType = (*_GoType)(efaceOf(byteWrap).ptr)
+)
+
+//go:linkname growslice runtime.growslice
+func growslice(_ *_GoType, _ []byte, _ int) []byte
+
+//go:noescape
+//go:linkname memclrNoHeapPointers runtime.memclrNoHeapPointers
+func memclrNoHeapPointers(_ unsafe.Pointer, _ uintptr)