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authorRuss Cox <rsc@golang.org>2024-05-22 17:09:02 -0400
committerRuss Cox <rsc@golang.org>2024-05-29 16:25:21 +0000
commit9a8995b8b6a08d5fe01122771f962b36336f8aec (patch)
tree0222395807dfced049e2602280a7f8614b2addbe /src/runtime/traceback.go
parenta3a584e4abad776f4b8e5cab5b5923724fdf75d9 (diff)
downloadgo-9a8995b8b6a08d5fe01122771f962b36336f8aec.tar.xz
all: document legacy //go:linkname for modules with ≥100 dependents
For #67401. Change-Id: I015408a3f437c1733d97160ef2fb5da6d4efcc5c Reviewed-on: https://go-review.googlesource.com/c/go/+/587598 Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Auto-Submit: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/runtime/traceback.go')
-rw-r--r--src/runtime/traceback.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/runtime/traceback.go b/src/runtime/traceback.go
index ebee16c6a7..03c02f7771 100644
--- a/src/runtime/traceback.go
+++ b/src/runtime/traceback.go
@@ -1079,6 +1079,16 @@ func printAncestorTracebackFuncInfo(f funcInfo, pc uintptr) {
print("\n")
}
+// callers should be an internal detail,
+// (and is almost identical to Callers),
+// but widely used packages access it using linkname.
+// Notable members of the hall of shame include:
+// - github.com/phuslu/log
+//
+// Do not remove or change the type signature.
+// See go.dev/issue/67401.
+//
+//go:linkname callers
func callers(skip int, pcbuf []uintptr) int {
sp := getcallersp()
pc := getcallerpc()