This file is indexed.

/usr/lib/gcc-cross/i686-linux-gnu/7/plugin/include/config/i386/i386-opts.h is in gcc-7-plugin-dev-i686-linux-gnu 7.3.0-16ubuntu3cross1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
/* Definitions for option handling for IA-32.
   Copyright (C) 1988-2017 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

#ifndef I386_OPTS_H
#define I386_OPTS_H

/* Algorithm to expand string function with.  */
enum stringop_alg
{
#undef DEF_ENUM
#define DEF_ENUM

#undef DEF_ALG
#define DEF_ALG(alg, name) alg, 

#include "stringop.def"
last_alg

#undef DEF_ENUM
#undef DEF_ALG
};

/* Available call abi.  */
enum calling_abi
{
  SYSV_ABI = 0,
  MS_ABI = 1
};

enum fpmath_unit
{
  FPMATH_387 = 1,
  FPMATH_SSE = 2
};

enum tls_dialect
{
  TLS_DIALECT_GNU,
  TLS_DIALECT_GNU2,
  TLS_DIALECT_SUN
};

enum cmodel {
  CM_32,	/* The traditional 32-bit ABI.  */
  CM_SMALL,	/* Assumes all code and data fits in the low 31 bits.  */
  CM_KERNEL,	/* Assumes all code and data fits in the high 31 bits.  */
  CM_MEDIUM,	/* Assumes code fits in the low 31 bits; data unlimited.  */
  CM_LARGE,	/* No assumptions.  */
  CM_SMALL_PIC,	/* Assumes code+data+got/plt fits in a 31 bit region.  */
  CM_MEDIUM_PIC,/* Assumes code+got/plt fits in a 31 bit region.  */
  CM_LARGE_PIC	/* No assumptions.  */
};

enum pmode {
  PMODE_SI,	/* Pmode == SImode. */
  PMODE_DI 	/* Pmode == DImode. */
};

enum ix86_align_data {
  ix86_align_data_type_compat,
  ix86_align_data_type_abi,
  ix86_align_data_type_cacheline
};

enum asm_dialect {
  ASM_ATT,
  ASM_INTEL
};

enum ix86_veclibabi {
  ix86_veclibabi_type_none,
  ix86_veclibabi_type_svml,
  ix86_veclibabi_type_acml
};

enum stack_protector_guard {
  SSP_TLS,      /* per-thread canary in TLS block */
  SSP_GLOBAL    /* global canary */
};

/* This is used to mitigate variant #2 of the speculative execution
   vulnerabilities on x86 processors identified by CVE-2017-5715, aka
   Spectre.  They convert indirect branches and function returns to
   call and return thunks to avoid speculative execution via indirect
   call, jmp and ret.  */
enum indirect_branch {
  indirect_branch_unset = 0,
  indirect_branch_keep,
  indirect_branch_thunk,
  indirect_branch_thunk_inline,
  indirect_branch_thunk_extern
};

#endif