/usr/lib/gcc/x86_64-linux-gnu/4.8/plugin/include/config/i386/unix.h is in gcc-4.8-plugin-dev 4.8.5-4ubuntu2.
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 | /* Definitions for Unix assembler syntax for the Intel 80386.
Copyright (C) 1988-2013 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/>. */
/* This file defines the aspects of assembler syntax
that are the same for all the i386 Unix systems
(though they may differ in non-Unix systems). */
/* Define macro used to output shift-double opcodes when the shift
count is in %cl. Some assemblers require %cl as an argument;
some don't. This macro controls what to do: by default, don't
print %cl. */
#define SHIFT_DOUBLE_OMITS_COUNT 1
/* Define the syntax of pseudo-ops, labels and comments. */
/* String containing the assembler's comment-starter.
Note the trailing space is necessary in case the character
that immediately follows the comment is '*'. If this happens
and the space is not there the assembler will interpret this
as the start of a C-like slash-star comment and complain when
there is no terminator. */
#define ASM_COMMENT_START "/ "
/* Output to assembler file text saying following lines
may contain character constants, extra white space, comments, etc. */
#define ASM_APP_ON "/APP\n"
/* Output to assembler file text saying following lines
no longer contain unusual constructs. */
#define ASM_APP_OFF "/NO_APP\n"
/* Output before read-only data. */
#define TEXT_SECTION_ASM_OP "\t.text"
/* Output before writable (initialized) data. */
#define DATA_SECTION_ASM_OP "\t.data"
/* Output before writable (uninitialized) data. */
#define BSS_SECTION_ASM_OP "\t.bss"
/* Globalizing directive for a label. */
#define GLOBAL_ASM_OP "\t.globl\t"
/* By default, target has a 80387, uses IEEE compatible arithmetic,
and returns float values in the 387. */
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
/* By default, 64-bit mode uses 128-bit long double. */
#undef TARGET_SUBTARGET64_DEFAULT
#define TARGET_SUBTARGET64_DEFAULT \
MASK_128BIT_LONG_DOUBLE
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