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| author | Austin Clements <austin@google.com> | 2023-04-17 16:50:00 -0400 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-04-21 19:28:49 +0000 |
| commit | 7843ca83e7c8229f4fdca22949428a2418f45138 (patch) | |
| tree | af287142e7909423c1e4ea9873c21b15f60aa06b /src/cmd/internal/objabi | |
| parent | 2668a190baa302a1fd7e22285cdb343af67530ad (diff) | |
| download | go-7843ca83e7c8229f4fdca22949428a2418f45138.tar.xz | |
internal/abi, runtime, cmd: merge PCDATA_* and FUNCDATA_* consts into internal/abi
We also rename the constants related to unsafe-points: currently, they
follow the same naming scheme as the PCDATA table indexes, but are not
PCDATA table indexes.
For #59670.
Change-Id: I06529fecfae535be5fe7d9ac56c886b9106c74fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/485497
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/cmd/internal/objabi')
| -rw-r--r-- | src/cmd/internal/objabi/funcdata.go | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/cmd/internal/objabi/funcdata.go b/src/cmd/internal/objabi/funcdata.go deleted file mode 100644 index 05a1d49dec..0000000000 --- a/src/cmd/internal/objabi/funcdata.go +++ /dev/null @@ -1,51 +0,0 @@ -// 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_UnsafePoint = 0 - PCDATA_StackMapIndex = 1 - PCDATA_InlTreeIndex = 2 - PCDATA_ArgLiveIndex = 3 - - FUNCDATA_ArgsPointerMaps = 0 - FUNCDATA_LocalsPointerMaps = 1 - FUNCDATA_StackObjects = 2 - FUNCDATA_InlTree = 3 - FUNCDATA_OpenCodedDeferInfo = 4 - FUNCDATA_ArgInfo = 5 - FUNCDATA_ArgLiveInfo = 6 - FUNCDATA_WrapInfo = 7 - - // 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_UnsafePoint values. - PCDATA_UnsafePointSafe = -1 // Safe for async preemption - PCDATA_UnsafePointUnsafe = -2 // Unsafe for async preemption - - // PCDATA_Restart1(2) apply on a sequence of instructions, within - // which if an async preemption happens, we should back off the PC - // to the start of the sequence when resuming. - // We need two so we can distinguish the start/end of the sequence - // in case that two sequences are next to each other. - PCDATA_Restart1 = -3 - PCDATA_Restart2 = -4 - - // Like PCDATA_Restart1, but back to function entry if async preempted. - PCDATA_RestartAtEntry = -5 -) |