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cmd/link: block new standard library linknames

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In Go 1.25 we added a number of new linknames for standard library
internal uses. Add them to the linker's blocklist to keep them
internal.

Change-Id: I5b6051a669b7ff132a1d2c05deefbbf74701c5d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/681475
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Cherry Mui 2025-06-13 11:31:06 -04:00
parent 9149876112
commit 683810a368
1 changed files with 16 additions and 1 deletions
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17
src/cmd/link/internal/loader/loader.go
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@ -2368,7 +2368,6 @@ var blockedLinknames = map[string][]string{
"crypto/internal/sysrand.fatal": {"crypto/internal/sysrand"},
"crypto/rand.fatal": {"crypto/rand"},
"internal/runtime/maps.errNilAssign": {"internal/runtime/maps"},
"internal/runtime/maps.typeString": {"internal/runtime/maps"},
"internal/runtime/maps.fatal": {"internal/runtime/maps"},
"internal/runtime/maps.newarray": {"internal/runtime/maps"},
"internal/runtime/maps.newobject": {"internal/runtime/maps"},
@ -2399,6 +2398,22 @@ var blockedLinknames = map[string][]string{
"runtime.mapdelete_fast32": {"runtime"},
"runtime.mapdelete_fast64": {"runtime"},
"runtime.mapdelete_faststr": {"runtime"},
// New internal linknames in Go 1.25
// Pushed from runtime
"internal/runtime/cgroup.throw": {"internal/runtime/cgroup"},
"internal/runtime/maps.typeString": {"internal/runtime/maps"},
"internal/synctest.IsInBubble": {"internal/synctest"},
"internal/synctest.associate": {"internal/synctest"},
"internal/synctest.disassociate": {"internal/synctest"},
"internal/synctest.isAssociated": {"internal/synctest"},
"runtime/trace.runtime_readTrace": {"runtime/trace"},
"runtime/trace.runtime_traceClockUnitsPerSecond": {"runtime/trace"},
"sync_test.runtime_blockUntilEmptyCleanupQueue": {"sync_test"},
"time.runtimeIsBubbled": {"time"},
"unique.runtime_blockUntilEmptyCleanupQueue": {"unique"},
// Others
"net.newWindowsFile": {"net"}, // pushed from os
"testing/synctest.testingSynctestTest": {"testing/synctest"}, // pushed from testing
}
// check if a linkname reference to symbol s from pkg is allowed