Merge pull request #14 from Shopify/ruby-4-static

Ruby 4 static

Author: dalehamel

interpreter/ruby/ruby.go

@@ -1399,7 +1399,7 @@ func Loader(ebpf interpreter.EbpfHandler, info *interpreter.LoaderInfo) (interpr
 	//   https://www.jetbrains.com/lp/devecosystem-2020/ruby/
 	// Reason for maximum supported version 3.5.x:
 	// - this is currently the newest stable version
-	minVer, maxVer := rubyVersion(2, 5, 0), rubyVersion(3, 6, 0)
+	minVer, maxVer := rubyVersion(2, 5, 0), rubyVersion(4, 1, 0)
 	if version < minVer || version >= maxVer {
 		return nil, fmt.Errorf("unsupported Ruby %d.%d.%d (need >= %d.%d.%d and <= %d.%d.%d)",
 			(version>>16)&0xff, (version>>8)&0xff, version&0xff,
@@ -1554,6 +1554,13 @@ func Loader(ebpf interpreter.EbpfHandler, info *interpreter.LoaderInfo) (interpr
 		vms.rclass_and_rb_classext_t.classext = 32
 		vms.rb_classext_struct.as_singleton_class_attached_object = 96
 		vms.rb_classext_struct.classpath = 120
+	case version >= rubyVersion(4, 0, 0) && version < rubyVersion(4, 1, 0):
+		rid.hasClassPath = true
+		rid.rubyFlSingleton = libpf.Address(RUBY_FL_USER1)
+
+		vms.rclass_and_rb_classext_t.classext = 24
+		vms.rb_classext_struct.as_singleton_class_attached_object = 112
+		vms.rb_classext_struct.classpath = 128
 	default:
 		rid.hasClassPath = true
 		rid.rubyFlSingleton = libpf.Address(RUBY_FL_USER1)
@@ -1574,6 +1581,8 @@ func Loader(ebpf interpreter.EbpfHandler, info *interpreter.LoaderInfo) (interpr
 		rid.lastOpId = 169
 	case version < rubyVersion(3, 5, 0):
 		rid.lastOpId = 170
+	case version < rubyVersion(4, 1, 0):
+		rid.lastOpId = 171
 	default:
 		rid.lastOpId = 170
 	}
@@ -1619,6 +1628,15 @@ func Loader(ebpf interpreter.EbpfHandler, info *interpreter.LoaderInfo) (interpr
 			vms.vm_struct.gc_objspace = 1320
 		}
 		vms.objspace.flags = 16
+	case version >= rubyVersion(4, 0, 0) && version < rubyVersion(4, 1, 0):
+		rid.hasObjspace = true
+		if runtime.GOARCH == "amd64" {
+			vms.vm_struct.gc_objspace = 1248
+		} else {
+			// TODO fixme
+			vms.vm_struct.gc_objspace = 1320
+		}
+		vms.objspace.flags = 28
 	default:
 		rid.hasObjspace = true
 		vms.objspace.flags = 20
@@ -1682,6 +1700,12 @@ func Loader(ebpf interpreter.EbpfHandler, info *interpreter.LoaderInfo) (interpr
 		vms.iseq_constant_body.succ_index_table = 136
 		vms.iseq_constant_body.local_iseq = 168
 		vms.iseq_constant_body.size_of_iseq_constant_body = 352
+	case version >= rubyVersion(4, 0, 0) && version < rubyVersion(4, 1, 0):
+		vms.iseq_constant_body.insn_info_body = 112
+		vms.iseq_constant_body.insn_info_size = 128
+		vms.iseq_constant_body.succ_index_table = 136
+		vms.iseq_constant_body.local_iseq = 176
+		vms.iseq_constant_body.size_of_iseq_constant_body = 352
 	default: // 3.3.x and 3.5.x have the same values
 		vms.iseq_constant_body.insn_info_body = 112
 		vms.iseq_constant_body.insn_info_size = 128