1 /* Default initializers for a generic GCC target.
2    Copyright (C) 2001-2020 Free Software Foundation, Inc.
3 
4    This program is free software; you can redistribute it and/or modify it
5    under the terms of the GNU General Public License as published by the
6    Free Software Foundation; either version 3, or (at your option) any
7    later version.
8 
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program; see the file COPYING3.  If not see
16    <http://www.gnu.org/licenses/>.
17 
18    In other words, you are welcome to use, share and improve this program.
19    You are forbidden to forbid anyone else to use, share and improve
20    what you give them.   Help stamp out software-hoarding!  */
21 
22 /* See target.def for a description of what this file contains and how to
23    use it.
24 
25    We want to have non-NULL default definitions of all hook functions,
26    even if they do nothing.  */
27 
28 /* Note that if one of these macros must be defined in an OS .h file
29    rather than the .c file, then we need to wrap the default
30    definition in a #ifndef, since files include tm.h before this one.  */
31 
32 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
33 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
34 #define TARGET_ASM_ALIGNED_DI_OP NULL
35 #define TARGET_ASM_ALIGNED_TI_OP NULL
36 
37 /* GAS and SYSV4 assemblers accept these.  */
38 #if defined (OBJECT_FORMAT_ELF)
39 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
40 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
41 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
42 #define TARGET_ASM_UNALIGNED_TI_OP NULL
43 #else
44 #define TARGET_ASM_UNALIGNED_HI_OP NULL
45 #define TARGET_ASM_UNALIGNED_SI_OP NULL
46 #define TARGET_ASM_UNALIGNED_DI_OP NULL
47 #define TARGET_ASM_UNALIGNED_TI_OP NULL
48 #endif /* OBJECT_FORMAT_ELF */
49 
50 /* There is no standard way to handle P{S,D,T}Imode, targets must implement them
51    if required.  */
52 #define TARGET_ASM_ALIGNED_PSI_OP NULL
53 #define TARGET_ASM_UNALIGNED_PSI_OP NULL
54 #define TARGET_ASM_ALIGNED_PDI_OP NULL
55 #define TARGET_ASM_UNALIGNED_PDI_OP NULL
56 #define TARGET_ASM_ALIGNED_PTI_OP NULL
57 #define TARGET_ASM_UNALIGNED_PTI_OP NULL
58 
59 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
60 # ifdef CTORS_SECTION_ASM_OP
61 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
62 # else
63 #  ifdef TARGET_ASM_NAMED_SECTION
64 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
65 #  else
66 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
67 #  endif
68 # endif
69 #endif
70 
71 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
72 # ifdef DTORS_SECTION_ASM_OP
73 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
74 # else
75 #  ifdef TARGET_ASM_NAMED_SECTION
76 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
77 #  else
78 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
79 #  endif
80 # endif
81 #endif
82 
83 #if !defined(TARGET_HAVE_CTORS_DTORS)
84 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
85 # define TARGET_HAVE_CTORS_DTORS true
86 # endif
87 #endif
88 
89 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
90 #ifdef EH_FRAME_SECTION_NAME
91 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
92 #endif
93 #endif
94 
95 #if !defined(TARGET_ASM_OUTPUT_ANCHOR) && !defined(ASM_OUTPUT_DEF)
96 #define TARGET_ASM_OUTPUT_ANCHOR NULL
97 #endif
98 
99 #define TARGET_ASM_ALIGNED_INT_OP				\
100 		       {TARGET_ASM_ALIGNED_HI_OP,		\
101 			TARGET_ASM_ALIGNED_PSI_OP,		\
102 			TARGET_ASM_ALIGNED_SI_OP,		\
103 			TARGET_ASM_ALIGNED_PDI_OP,		\
104 			TARGET_ASM_ALIGNED_DI_OP,		\
105 			TARGET_ASM_ALIGNED_PTI_OP,		\
106 			TARGET_ASM_ALIGNED_TI_OP}
107 
108 #define TARGET_ASM_UNALIGNED_INT_OP				\
109 		       {TARGET_ASM_UNALIGNED_HI_OP,		\
110 			TARGET_ASM_UNALIGNED_PSI_OP,		\
111 			TARGET_ASM_UNALIGNED_SI_OP,		\
112 			TARGET_ASM_UNALIGNED_PDI_OP,		\
113 			TARGET_ASM_UNALIGNED_DI_OP,		\
114 			TARGET_ASM_UNALIGNED_PTI_OP,		\
115 			TARGET_ASM_UNALIGNED_TI_OP}
116 
117 #if !defined (TARGET_FUNCTION_INCOMING_ARG)
118 #define TARGET_FUNCTION_INCOMING_ARG TARGET_FUNCTION_ARG
119 #endif
120 
121 #include "target-hooks-def.h"
122 
123 #include "hooks.h"
124 #include "targhooks.h"
125 #include "insn-target-def.h"
126