blob: 5ae75027c2f2b544f7b7eb91d3f03fe7d33a7353 [file] [log] [blame]
// 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 flags attached to various functions
// and data objects. The compilers, assemblers, and linker must
// all agree on these values.
package obj
const (
// Don't profile the marked routine.
//
// Deprecated: Not implemented, do not use.
NOPROF = 1
// It is ok for the linker to get multiple of these symbols. It will
// pick one of the duplicates to use.
DUPOK = 2
// Don't insert stack check preamble.
NOSPLIT = 4
// Put this data in a read-only section.
RODATA = 8
// This data contains no pointers.
NOPTR = 16
// This is a wrapper function and should not count as
// disabling 'recover' or appear in tracebacks by default.
WRAPPER = 32
// This function uses its incoming context register.
NEEDCTXT = 64
// When passed to objw.Global, causes Local to be set to true on the LSym it creates.
LOCAL = 128
// Allocate a word of thread local storage and store the offset from the
// thread local base to the thread local storage in this variable.
TLSBSS = 256
// Do not insert instructions to allocate a stack frame for this function.
// Only valid on functions that declare a frame size of 0.
// TODO(mwhudson): only implemented for ppc64x at present.
NOFRAME = 512
// Function can call reflect.Type.Method or reflect.Type.MethodByName.
REFLECTMETHOD = 1024
// Function is the outermost frame of the call stack. Call stack unwinders
// should stop at this function.
TOPFRAME = 2048
// Function is an ABI wrapper.
ABIWRAPPER = 4096
)