| // Copyright 2021 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package runtime | |
| const ( | |
| // vdsoArrayMax is the byte-size of a maximally sized array on this architecture. | |
| // See cmd/compile/internal/riscv64/galign.go arch.MAXWIDTH initialization. | |
| vdsoArrayMax = 1<<50 - 1 | |
| ) | |
| // key and version at man 7 vdso : riscv | |
| var vdsoLinuxVersion = vdsoVersionKey{"LINUX_4.15", 0xae77f75} | |
| var vdsoSymbolKeys = []vdsoSymbolKey{ | |
| {"__vdso_clock_gettime", 0xd35ec75, 0x6e43a318, &vdsoClockgettimeSym}, | |
| {"__vdso_getrandom", 0x0025425d, 0x84a559bf, &vdsoGetrandomSym}, | |
| } | |
| // initialize to fall back to syscall | |
| var ( | |
| vdsoClockgettimeSym uintptr = 0 | |
| vdsoGetrandomSym uintptr = 0 | |
| ) |