1 /* Definitions for SH running NetBSD using ELF
2    Copyright (C) 2002-2020 Free Software Foundation, Inc.
3    Contributed by Wasabi Systems, Inc.
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 /* Run-time Target Specification.  */
22 
23 #define TARGET_OS_CPP_BUILTINS()					\
24   do									\
25     {									\
26       NETBSD_OS_CPP_BUILTINS_ELF();					\
27       builtin_define ("__NO_LEADING_UNDERSCORES__");			\
28     }									\
29   while (0)
30 
31 /* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
32    We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
33    SUBTARGET_LINK_SPEC that pulls in what we need from a generic
34    NetBSD ELF LINK_SPEC.  */
35 
36 /* LINK_EMUL_PREFIX from sh/elf.h */
37 #undef SUBTARGET_LINK_EMUL_SUFFIX
38 #define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
39 
40 #undef SUBTARGET_LINK_SPEC
41 #define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
42 
43 #undef LINK_SPEC
44 #define LINK_SPEC SH_LINK_SPEC
45 
46 #define NETBSD_ENTRY_POINT "__start"
47 
48 /* Provide a CPP_SPEC appropriate for NetBSD.  */
49 #undef SUBTARGET_CPP_SPEC
50 #define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
51 
52 #undef TARGET_DEFAULT
53 #define TARGET_DEFAULT \
54   (TARGET_CPU_DEFAULT | TARGET_ENDIAN_DEFAULT)
55 
56 /* Define because we use the label and we do not need them.  */
57 #define NO_PROFILE_COUNTERS 1
58 
59 #undef FUNCTION_PROFILER
60 #define FUNCTION_PROFILER(STREAM,LABELNO)				\
61 do									\
62   {									\
63         fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n",			\
64                 LOCAL_LABEL_PREFIX, (LABELNO));				\
65         fprintf((STREAM), "\tmova\t%sLP%dr,r0\n",			\
66                 LOCAL_LABEL_PREFIX, (LABELNO));				\
67         fprintf((STREAM), "\tjmp\t@r1\n");				\
68         fprintf((STREAM), "\tnop\n");					\
69         fprintf((STREAM), "\t.align\t2\n");				\
70         fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n",			\
71                 LOCAL_LABEL_PREFIX, (LABELNO));				\
72         fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO));	\
73   }									\
74 while (0)
75 
76 #undef SUBTARGET_OVERRIDE_OPTIONS
77 #define SUBTARGET_OVERRIDE_OPTIONS					\
78   do									\
79     {									\
80       /* Set -musermode if it hasn't been specified.  */		\
81       if (global_options_set.x_TARGET_USERMODE == 0)			\
82 	TARGET_USERMODE = true;						\
83     }									\
84   while (0)
85