summaryrefslogtreecommitdiff
path: root/libgo/go/cmd/internal/objabi/funcdata.go
blob: a7827125bf65ce003a4f05aad12fb2df59d4b90d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// 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.

package objabi

// This file defines the IDs for PCDATA and FUNCDATA instructions
// in Go binaries.
//
// These must agree with ../../../runtime/funcdata.h and
// ../../../runtime/symtab.go.

const (
	PCDATA_StackMapIndex       = 0
	PCDATA_InlTreeIndex        = 1
	PCDATA_RegMapIndex         = 2
	FUNCDATA_ArgsPointerMaps   = 0
	FUNCDATA_LocalsPointerMaps = 1
	FUNCDATA_InlTree           = 2
	FUNCDATA_RegPointerMaps    = 3

	// 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.
	ArgsSizeUnknown = -0x80000000
)