From faeb28d0e0e8ad6b1ec1bbd7aa4d0db1f07013e5 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Mon, 23 Feb 2026 10:40:36 +0200
Subject: Add baseline pidfd_getfd tracepoint support

---
 internal/generate/bpfhandler.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'internal/generate/bpfhandler.go')

diff --git a/internal/generate/bpfhandler.go b/internal/generate/bpfhandler.go
index eb9c4c4..2c0d648 100644
--- a/internal/generate/bpfhandler.go
+++ b/internal/generate/bpfhandler.go
@@ -59,6 +59,9 @@ func generateExtra(tp GeneratedTracepoint, isEnter bool) string {
 
 	switch tp.Classification.Kind {
 	case KindFd:
+		if f.Name == "sys_enter_pidfd_getfd" {
+			return "    ev->fd = (__s32)ctx->args[0];\n"
+		}
 		fdIdx := f.FieldNumber("fd")
 		if fdIdx >= 0 {
 			return fmt.Sprintf("    ev->fd = (__s32)ctx->args[%d];\n", fdIdx)
-- 
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