| // 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_RegMapIndex = 0 // if !go115ReduceLiveness |
| PCDATA_UnsafePoint = 0 // if go115ReduceLiveness |
| PCDATA_StackMapIndex = 1 |
| PCDATA_InlTreeIndex = 2 |
| |
| FUNCDATA_ArgsPointerMaps = 0 |
| FUNCDATA_LocalsPointerMaps = 1 |
| FUNCDATA_RegPointerMaps = 2 // if !go115ReduceLiveness |
| FUNCDATA_StackObjects = 3 |
| FUNCDATA_InlTree = 4 |
| FUNCDATA_OpenCodedDeferInfo = 5 |
| |
| // 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 |
| ) |
| |
| // Special PCDATA values. |
| const ( |
| // PCDATA_RegMapIndex values. |
| // |
| // Only if !go115ReduceLiveness. |
| PCDATA_RegMapUnsafe = -2 // Unsafe for async preemption |
| |
| // PCDATA_UnsafePoint values. |
| PCDATA_UnsafePointSafe = -1 // Safe for async preemption |
| PCDATA_UnsafePointUnsafe = -2 // Unsafe for async preemption |
| ) |
