Add copy_file_range support and tracepoint attach tests

3 files changed, 39 insertions, 0 deletions

diff --git a/internal/generate/classify.go b/internal/generate/classify.go
index b79d49c..ae03758 100644
--- a/internal/generate/classify.go
+++ b/internal/generate/classify.go
@@ -142,6 +142,10 @@ func classifyNameAndField(name, fieldType, fieldName string) (ClassificationResu
 		if fieldType == "const char *" && fieldName == "name" {
 			return ClassificationResult{Kind: KindPathname, PathnameField: "name"}, true
 		}
+	case "sys_enter_copy_file_range":
+		if isFdType(fieldType) && fieldName == "fd_in" {
+			return ClassificationResult{Kind: KindFd}, true
+		}
 	}
 
 	if strings.HasPrefix(name, "sys_enter") &&
diff --git a/internal/generate/classify_test.go b/internal/generate/classify_test.go
index 285c8e2..8d6f9c2 100644
--- a/internal/generate/classify_test.go
+++ b/internal/generate/classify_test.go
@@ -272,6 +272,7 @@ func TestShouldNotIgnore(t *testing.T) {
 	noIgnore := []string{
 		"sys_enter_read", "sys_enter_write", "sys_enter_openat",
 		"sys_enter_close", "sys_enter_rename", "sys_enter_unlink",
+		"sys_enter_copy_file_range",
 		"sys_enter_msync",
 		"sys_exit_read", "sys_exit_openat",
 	}
@@ -299,6 +300,7 @@ func TestClassifySyscallPairAccepted(t *testing.T) {
 		{"fcntl", FormatFcntl, FormatExitFcntl, KindFcntl},
 		{"sync", FormatSync, FormatExitSync, KindNull},
 		{"msync", FormatMsync, FormatExitMsync, KindNull},
+		{"copy_file_range", FormatCopyFileRange, FormatExitCopyFileRange, KindFd},
 		{"syslog", FormatSyslog, FormatExitSyslog, KindNull},
 		{"open_by_handle_at", FormatOpenByHandleAt, FormatExitOpenByHandleAt, KindOpenByHandleAt},
 		{"name_to_handle_at", FormatNameToHandleAt, FormatExitNameToHandleAt, KindPathname},
diff --git a/internal/generate/testdata.go b/internal/generate/testdata.go
index c03c0d7..76228a3 100644
--- a/internal/generate/testdata.go
+++ b/internal/generate/testdata.go
@@ -182,6 +182,39 @@ format:
 print fmt: "0x%lx", REC->ret
 `
 
+const FormatCopyFileRange = `name: sys_enter_copy_file_range
+ID: 736
+format:
+	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
+	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
+	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
+	field:int common_pid;	offset:4;	size:4;	signed:1;
+
+	field:int __syscall_nr;	offset:8;	size:4;	signed:1;
+	field:int fd_in;	offset:16;	size:8;	signed:0;
+	field:loff_t * off_in;	offset:24;	size:8;	signed:0;
+	field:int fd_out;	offset:32;	size:8;	signed:0;
+	field:loff_t * off_out;	offset:40;	size:8;	signed:0;
+	field:size_t len;	offset:48;	size:8;	signed:0;
+	field:unsigned int flags;	offset:56;	size:8;	signed:0;
+
+print fmt: "fd_in: 0x%08lx, off_in: 0x%08lx, fd_out: 0x%08lx, off_out: 0x%08lx, len: 0x%08lx, flags: 0x%08lx", ((unsigned long)(REC->fd_in)), ((unsigned long)(REC->off_in)), ((unsigned long)(REC->fd_out)), ((unsigned long)(REC->off_out)), ((unsigned long)(REC->len)), ((unsigned long)(REC->flags))
+`
+
+const FormatExitCopyFileRange = `name: sys_exit_copy_file_range
+ID: 735
+format:
+	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
+	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
+	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
+	field:int common_pid;	offset:4;	size:4;	signed:1;
+
+	field:int __syscall_nr;	offset:8;	size:4;	signed:1;
+	field:long ret;	offset:16;	size:8;	signed:1;
+
+print fmt: "0x%lx", REC->ret
+`
+
 const FormatRename = `name: sys_enter_rename
 ID: 870
 format: