internal/syscall/unix: define copyFileRangeTrap for all architectures

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/246363

gcc/go/gofrontend/MERGE

@@ -1,4 +1,4 @@
-2c390ba951e83b547f6387cc9e19436c085b3775
+82a0db12bcb205748a5319b03e070d5502246ba7
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/go/internal/syscall/unix/sysnum_linux_alpha.go

@@ -4,6 +4,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 511
+const (
+	getrandomTrap     uintptr = 511
+	copyFileRangeTrap uintptr = 519
+)

libgo/go/internal/syscall/unix/sysnum_linux_amd64p32.go

@@ -4,6 +4,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 0x40000000 + 318
+const (
+	getrandomTrap     uintptr = 0x40000000 + 318
+	copyFileRangeTrap uintptr = 0x40000000 + 326
+)

libgo/go/internal/syscall/unix/sysnum_linux_generic.go

@@ -3,13 +3,13 @@
 // license that can be found in the LICENSE file.
 
 // +build linux
-// +build arm64 riscv64
+// +build arm64 arm64be nios2 riscv riscv64
 
 package unix
 
 // This file is named "generic" because at a certain point Linux started
 // standardizing on system call numbers across architectures. So far this
-// means only arm64 and riscv64 use the standard numbers.
+// means only arm64, nios2 and riscv use the standard numbers.
 
 const (
 	getrandomTrap     uintptr = 278

libgo/go/internal/syscall/unix/sysnum_linux_ia64.go

@@ -4,6 +4,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 349
+const (
+	getrandomTrap     uintptr = 315
+	copyFileRangeTrap uintptr = 323
+)

libgo/go/internal/syscall/unix/sysnum_linux_m68k.go

@@ -4,6 +4,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 352
+const (
+	getrandomTrap     uintptr = 352
+	copyFileRangeTrap uintptr = 376
+)

libgo/go/internal/syscall/unix/sysnum_linux_mips64p32x.go

@@ -6,6 +6,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 6317
+const (
+	getrandomTrap     uintptr = 6317
+	copyFileRangeTrap uintptr = 6324
+)

libgo/go/internal/syscall/unix/sysnum_linux_s390.go

@@ -4,6 +4,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 1339
+const (
+	getrandomTrap     uintptr = 349
+	copyFileRangeTrap uintptr = 375
+)

libgo/go/internal/syscall/unix/sysnum_linux_shx.go

@@ -6,6 +6,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 373
+const (
+	getrandomTrap     uintptr = 373
+	copyFileRangeTrap uintptr = 380
+)

libgo/go/internal/syscall/unix/sysnum_linux_sparcx.go

@@ -6,6 +6,7 @@
 
 package unix
 
-// Linux getrandom system call number.
-// See GetRandom in getrandom_linux.go.
-const randomTrap uintptr = 347
+const (
+	getrandomTrap     uintptr = 347
+	copyFileRangeTrap uintptr = 357
+)