|
111
|
1 /* Common definitions for Intel 386 and AMD x86-64 systems using
|
|
145
|
2 GNU userspace. Copyright (C) 2012-2020 Free Software Foundation, Inc.
|
|
111
|
3 Contributed by Ilya Enkovich.
|
|
|
4
|
|
|
5 This file is part of GCC.
|
|
|
6
|
|
|
7 GCC is free software; you can redistribute it and/or modify
|
|
|
8 it under the terms of the GNU General Public License as published by
|
|
|
9 the Free Software Foundation; either version 3, or (at your option)
|
|
|
10 any later version.
|
|
|
11
|
|
|
12 GCC is distributed in the hope that it will be useful,
|
|
|
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
15 GNU General Public License for more details.
|
|
|
16
|
|
|
17 You should have received a copy of the GNU General Public License
|
|
|
18 along with GCC; see the file COPYING3. If not see
|
|
|
19 <http://www.gnu.org/licenses/>. */
|
|
|
20
|
|
|
21 /* The svr4 ABI for the i386 says that records and unions are returned
|
|
|
22 in memory. In the 64bit compilation we will turn this flag off in
|
|
|
23 ix86_option_override_internal, as we never do pcc_struct_return
|
|
|
24 scheme on this target. */
|
|
|
25 #undef DEFAULT_PCC_STRUCT_RETURN
|
|
|
26 #define DEFAULT_PCC_STRUCT_RETURN 1
|
|
|
27
|
|
|
28 /* We arrange for the whole %fs segment to map the tls area. */
|
|
|
29 #undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
|
|
|
30 #define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
|
|
|
31
|
|
|
32 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
33 do \
|
|
|
34 { \
|
|
|
35 GNU_USER_TARGET_OS_CPP_BUILTINS(); \
|
|
|
36 } \
|
|
|
37 while (0)
|
|
|
38
|
|
|
39 #undef CPP_SPEC
|
|
|
40 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
|
|
41
|
|
|
42 #undef GNU_USER_TARGET_CC1_SPEC
|
|
|
43 #define GNU_USER_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}"
|
|
|
44
|
|
|
45 #undef CC1_SPEC
|
|
|
46 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
|
|
|
47
|
|
|
48 /* Similar to standard GNU userspace, but adding -ffast-math support. */
|
|
|
49 #define GNU_USER_TARGET_MATHFILE_SPEC \
|
|
|
50 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
|
|
51 %{mpc32:crtprec32.o%s} \
|
|
|
52 %{mpc64:crtprec64.o%s} \
|
|
|
53 %{mpc80:crtprec80.o%s}"
|
|
|
54
|
|
|
55 #undef ENDFILE_SPEC
|
|
|
56 #define ENDFILE_SPEC \
|
|
|
57 GNU_USER_TARGET_MATHFILE_SPEC " " \
|
|
|
58 GNU_USER_TARGET_ENDFILE_SPEC
|
|
|
59
|
|
|
60 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
|
|
|
61
|
|
|
62 /* The stack pointer needs to be moved while checking the stack. */
|
|
|
63 #define STACK_CHECK_MOVING_SP 1
|
|
|
64
|
|
|
65 /* Static stack checking is supported by means of probes. */
|
|
|
66 #define STACK_CHECK_STATIC_BUILTIN 1
|
|
|
67
|
|
|
68 /* We only build the -fsplit-stack support in libgcc if the
|
|
|
69 assembler has full support for the CFI directives. */
|
|
|
70 #if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE
|
|
|
71 #define TARGET_CAN_SPLIT_STACK
|
|
|
72 #endif
|
