aboutsummaryrefslogtreecommitdiff
path: root/src/runtime/funcdata.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/runtime/funcdata.h')
-rw-r--r--src/runtime/funcdata.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/runtime/funcdata.h b/src/runtime/funcdata.h
new file mode 100644
index 0000000000..dc9c41363e
--- /dev/null
+++ b/src/runtime/funcdata.h
@@ -0,0 +1,37 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This file defines the IDs for PCDATA and FUNCDATA instructions
+// in Go binaries. It is included by both C and assembly, so it must
+// be written using #defines. It is included by the runtime package
+// as well as the compilers.
+//
+// symtab.go also contains a copy of these constants.
+
+#define PCDATA_ArgSize 0 /* argument size at CALL instruction */
+#define PCDATA_StackMapIndex 1
+
+#define FUNCDATA_ArgsPointerMaps 0 /* garbage collector blocks */
+#define FUNCDATA_LocalsPointerMaps 1
+#define FUNCDATA_DeadValueMaps 2
+
+// To be used in assembly.
+#define ARGSIZE(n) PCDATA $PCDATA_ArgSize, $n
+
+// ArgsSizeUnknown is set in Func.argsize to mark all functions
+// whose argument size is unknown (C vararg functions, and
+// assembly code without an explicit specification).
+// This value is generated by the compiler, assembler, or linker.
+#define ArgsSizeUnknown 0x80000000
+
+/*c2go
+enum {
+ PCDATA_ArgSize = 0,
+ PCDATA_StackMapIndex = 1,
+ FUNCDATA_ArgsPointerMaps = 0,
+ FUNCDATA_LocalsPointerMaps = 1,
+ FUNCDATA_DeadValueMaps = 2,
+ ArgsSizeUnknown = 0x80000000,
+};
+*/