/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
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