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comparison gcc/config/s390/linux.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* Definitions for Linux for S/390. 1 /* Definitions for Linux for S/390.
2 Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2010 2 Copyright (C) 1999-2017 Free Software Foundation, Inc.
3 Free Software Foundation, Inc.
4 Contributed by Hartmut Penner (hpenner@de.ibm.com) and 3 Contributed by Hartmut Penner (hpenner@de.ibm.com) and
5 Ulrich Weigand (uweigand@de.ibm.com). 4 Ulrich Weigand (uweigand@de.ibm.com).
6 5
7 This file is part of GCC. 6 This file is part of GCC.
8 7
21 <http://www.gnu.org/licenses/>. */ 20 <http://www.gnu.org/licenses/>. */
22 21
23 #ifndef _LINUX_H 22 #ifndef _LINUX_H
24 #define _LINUX_H 23 #define _LINUX_H
25 24
26 /* Target specific version string. */
27
28 #ifdef DEFAULT_TARGET_64BIT
29 #undef TARGET_VERSION
30 #define TARGET_VERSION fprintf (stderr, " (Linux for zSeries)");
31 #else
32 #undef TARGET_VERSION
33 #define TARGET_VERSION fprintf (stderr, " (Linux for S/390)");
34 #endif
35
36
37 /* Target specific type definitions. */ 25 /* Target specific type definitions. */
38 26
39 /* ??? Do we really want long as size_t on 31-bit? */ 27 /* For 31 bit our size type differs from most other targets (where it
28 is "unsigned int"). The difference tends to cause trouble e.g.:
29 Glibc BZ #16712, GCC BZ #79358 but cannot be changed due to ABI
30 issues. */
40 #undef SIZE_TYPE 31 #undef SIZE_TYPE
41 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int") 32 #define SIZE_TYPE "long unsigned int"
42 #undef PTRDIFF_TYPE 33 #undef PTRDIFF_TYPE
43 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") 34 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
44 35
45 #undef WCHAR_TYPE 36 #undef WCHAR_TYPE
46 #define WCHAR_TYPE "int" 37 #define WCHAR_TYPE "int"
51 /* Target specific preprocessor settings. */ 42 /* Target specific preprocessor settings. */
52 43
53 #define TARGET_OS_CPP_BUILTINS() \ 44 #define TARGET_OS_CPP_BUILTINS() \
54 do \ 45 do \
55 { \ 46 { \
56 LINUX_TARGET_OS_CPP_BUILTINS(); \ 47 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
57 } \ 48 } \
58 while (0) 49 while (0)
59 50
60 51
61 /* Target specific assembler settings. */ 52 /* Target specific assembler settings. */
62 53 /* Rewrite -march=arch* options to the original CPU name in order to
54 make it work with older binutils. */
63 #undef ASM_SPEC 55 #undef ASM_SPEC
64 #define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}" 56 #define ASM_SPEC \
57 "%{m31&m64}%{mesa&mzarch}%{march=z*}" \
58 "%{march=arch3:-march=g5}" \
59 "%{march=arch5:-march=z900}" \
60 "%{march=arch6:-march=z990}" \
61 "%{march=arch7:-march=z9-ec}" \
62 "%{march=arch8:-march=z10}" \
63 "%{march=arch9:-march=z196}" \
64 "%{march=arch10:-march=zEC12}" \
65 "%{march=arch11:-march=z13}"
65 66
66 67
67 /* Target specific linker settings. */ 68 /* Target specific linker settings. */
68 69
69 #ifdef DEFAULT_TARGET_64BIT 70 #ifdef DEFAULT_TARGET_64BIT
79 #define LINK_SPEC \ 80 #define LINK_SPEC \
80 "%{m31:-m elf_s390}%{m64:-m elf64_s390} \ 81 "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
81 %{shared:-shared} \ 82 %{shared:-shared} \
82 %{!shared: \ 83 %{!shared: \
83 %{static:-static} \ 84 %{static:-static} \
84 %{!static: \ 85 %{!static:%{!static-pie: \
85 %{rdynamic:-export-dynamic} \ 86 %{rdynamic:-export-dynamic} \
86 %{m31:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \ 87 %{m31:-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \
87 %{m64:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}" 88 %{m64:-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}}} \
89 %{static-pie:-static -pie --no-dynamic-linker -z text}"
88 90
89 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 91 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
90 92
91 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack 93 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
92
93 #define MD_UNWIND_SUPPORT "config/s390/linux-unwind.h"
94 94
95 #ifdef TARGET_LIBC_PROVIDES_SSP 95 #ifdef TARGET_LIBC_PROVIDES_SSP
96 /* s390 glibc provides __stack_chk_guard in 0x14(tp), 96 /* s390 glibc provides __stack_chk_guard in 0x14(tp),
97 s390x glibc provides it at 0x28(tp). */ 97 s390x glibc provides it at 0x28(tp). */
98 #define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14) 98 #define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
99 #endif 99 #endif
100 100
101 /* Define if long doubles should be mangled as 'g'. */ 101 /* Define if long doubles should be mangled as 'g'. */
102 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING 102 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
103 103
104 #undef TARGET_LIBC_HAS_FUNCTION
105 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
106
107 /* Uninitialized common symbols in non-PIE executables, even with
108 strong definitions in dependent shared libraries, will resolve
109 to COPY relocated symbol in the executable. See PR65780. */
110 #undef TARGET_BINDS_LOCAL_P
111 #define TARGET_BINDS_LOCAL_P default_binds_local_p_2
112
104 #endif 113 #endif