textflag.h

Documentation: runtime

     1// Copyright 2013 The Go Authors. All rights reserved.
     2// Use of this source code is governed by a BSD-style
     3// license that can be found in the LICENSE file.
     4
     5// This file defines flags attached to various functions
     6// and data objects. The compilers, assemblers, and linker must
     7// all agree on these values.
     8//
     9// Keep in sync with src/cmd/internal/obj/textflag.go.
    10
    11// Don't profile the marked routine. This flag is deprecated.
    12#define NOPROF	1
    13// It is ok for the linker to get multiple of these symbols. It will
    14// pick one of the duplicates to use.
    15#define DUPOK	2
    16// Don't insert stack check preamble.
    17#define NOSPLIT	4
    18// Put this data in a read-only section.
    19#define RODATA	8
    20// This data contains no pointers.
    21#define NOPTR	16
    22// This is a wrapper function and should not count as disabling 'recover'.
    23#define WRAPPER 32
    24// This function uses its incoming context register.
    25#define NEEDCTXT 64
    26// Allocate a word of thread local storage and store the offset from the
    27// thread local base to the thread local storage in this variable.
    28#define TLSBSS	256
    29// Do not insert instructions to allocate a stack frame for this function.
    30// Only valid on functions that declare a frame size of 0.
    31#define NOFRAME 512
    32// Function can call reflect.Type.Method or reflect.Type.MethodByName.
    33#define REFLECTMETHOD 1024
    34// Function is the outermost frame of the call stack. Call stack unwinders
    35// should stop at this function.
    36#define TOPFRAME 2048
    37// Function is an ABI wrapper.
    38#define ABIWRAPPER 4096
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