/usr/lib/gcc-cross/s390x-linux-gnu/7/plugin/include/config/s390/linux.h is in gcc-7-plugin-dev-s390x-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 | /* Definitions for Linux for S/390.
Copyright (C) 1999-2017 Free Software Foundation, Inc.
Contributed by Hartmut Penner (hpenner@de.ibm.com) and
Ulrich Weigand (uweigand@de.ibm.com).
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.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef _LINUX_H
#define _LINUX_H
/* Target specific type definitions. */
/* For 31 bit our size type differs from most other targets (where it
is "unsigned int"). The difference tends to cause trouble e.g.:
Glibc BZ #16712, GCC BZ #79358 but cannot be changed due to ABI
issues. */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Target specific preprocessor settings. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
GNU_USER_TARGET_OS_CPP_BUILTINS(); \
} \
while (0)
/* Target specific assembler settings. */
/* Rewrite -march=arch* options to the original CPU name in order to
make it work with older binutils. */
#undef ASM_SPEC
#define ASM_SPEC \
"%{m31&m64}%{mesa&mzarch}%{march=z*}" \
"%{march=arch3:-march=g5}" \
"%{march=arch5:-march=z900}" \
"%{march=arch6:-march=z990}" \
"%{march=arch7:-march=z9-ec}" \
"%{march=arch8:-march=z10}" \
"%{march=arch9:-march=z196}" \
"%{march=arch10:-march=zEC12}" \
"%{march=arch11:-march=z13}"
/* Target specific linker settings. */
#ifdef DEFAULT_TARGET_64BIT
#define MULTILIB_DEFAULTS { "m64" }
#else
#define MULTILIB_DEFAULTS { "m31" }
#endif
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
#define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
#undef LINK_SPEC
#define LINK_SPEC \
"%{m31:-m elf_s390}%{m64:-m elf64_s390} --hash-style=gnu --as-needed \
%{shared:-shared} \
%{!shared: \
%{static:-static} \
%{!static: \
%{rdynamic:-export-dynamic} \
%{m31:-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \
%{m64:-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}}"
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
#ifdef TARGET_LIBC_PROVIDES_SSP
/* s390 glibc provides __stack_chk_guard in 0x14(tp),
s390x glibc provides it at 0x28(tp). */
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
#endif
/* Define if long doubles should be mangled as 'g'. */
#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
/* Uninitialized common symbols in non-PIE executables, even with
strong definitions in dependent shared libraries, will resolve
to COPY relocated symbol in the executable. See PR65780. */
#undef TARGET_BINDS_LOCAL_P
#define TARGET_BINDS_LOCAL_P default_binds_local_p_2
#endif
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