1 /* Definitions for PA_RISC with ELF format
2    Copyright (C) 1999-2020 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10 
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3.  If not see
18 <http://www.gnu.org/licenses/>.  */
19 
20 
21 #undef TARGET_OS_CPP_BUILTINS
22 #define TARGET_OS_CPP_BUILTINS()		\
23   do						\
24     {						\
25 	NETBSD_OS_CPP_BUILTINS_ELF();	\
26 	builtin_assert ("machine=bigendian");	\
27     }						\
28   while (0)
29 
30 #undef CPP_SPEC
31 #define CPP_SPEC NETBSD_CPP_SPEC
32 
33 #undef ASM_SPEC
34 #define ASM_SPEC \
35   "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
36 
37 #undef EXTRA_SPECS
38 #define EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS
39 #undef SUBTARGET_EXTRA_SPECS
40 
41 #define NETBSD_ENTRY_POINT "__start"
42 
43 #undef LINK_SPEC
44 #define LINK_SPEC NETBSD_LINK_SPEC_ELF
45 
46 /* NetBSD profiling functions don't need gcc to allocate counters.  */
47 #define NO_DEFERRED_PROFILE_COUNTERS 1
48 
49 /* Define the strings used for the special svr4 .type and .size directives.
50    These strings generally do not vary from one system running svr4 to
51    another, but if a given system (e.g. m88k running svr) needs to use
52    different pseudo-op names for these, they may be overridden in the
53    file which includes this one.  */
54 
55 #undef STRING_ASM_OP
56 #define STRING_ASM_OP   "\t.stringz\t"
57 
58 #define TEXT_SECTION_ASM_OP "\t.text"
59 #define DATA_SECTION_ASM_OP "\t.data"
60 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
61 
62 #define TARGET_ASM_FILE_START pa_linux_file_start
63 
64 /* We want local labels to start with period if made with asm_fprintf.  */
65 #undef LOCAL_LABEL_PREFIX
66 #define LOCAL_LABEL_PREFIX "."
67 
68 /* Define these to generate the Linux/ELF/SysV style of internal
69    labels all the time - i.e. to be compatible with
70    ASM_GENERATE_INTERNAL_LABEL in <elfos.h>.  Compare these with the
71    ones in pa.h and note the lack of dollar signs in these.  FIXME:
72    shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
73 
74 #undef ASM_OUTPUT_ADDR_VEC_ELT
75 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
76   fprintf (FILE, "\t.word .L%d\n", VALUE)
77 
78 #undef ASM_OUTPUT_ADDR_DIFF_ELT
79 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
80   fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL)
81 
82 /* Use the default.  */
83 #undef ASM_OUTPUT_LABEL
84 
85 /* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
86    does what we want (i.e. uses colons).  It must be compatible with
87    ASM_GENERATE_INTERNAL_LABEL(), so do not define it here.  */
88 
89 /* Use the default.  */
90 #undef ASM_OUTPUT_INTERNAL_LABEL
91 
92 /* Use the default.  */
93 #undef TARGET_ASM_GLOBALIZE_LABEL
94 /* Globalizing directive for a label.  */
95 #define GLOBAL_ASM_OP ".globl "
96 
97 /* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
98    labels in a function declaration (since pa.c seems determined to do
99    it differently)  */
100 
101 #undef ASM_DECLARE_FUNCTION_NAME
102 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)		\
103   do								\
104     {								\
105       ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");	\
106       ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));		\
107     }								\
108   while (0)
109 
110 /* As well as globalizing the label, we need to encode the label
111    to ensure a plabel is generated in an indirect call.  */
112 
113 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
114 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)  		\
115   do								\
116     {								\
117       if (!FUNCTION_NAME_P (XSTR (FUN, 0)))			\
118 	pa_encode_label (FUN);					\
119       (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0));	\
120     }								\
121   while (0)
122 
123 /* NetBSD always uses gas.  */
124 #undef TARGET_GAS
125 #define TARGET_GAS 1
126 
127 /* Use long int for these type to make hppa64 compatibility easier.  */
128 #undef SIZE_TYPE
129 #define SIZE_TYPE "long unsigned int"
130 
131 #undef PTRDIFF_TYPE
132 #define PTRDIFF_TYPE "long int"
133 
134 #if 0
135 #undef TARGET_SYNC_LIBCALL
136 #define TARGET_SYNC_LIBCALL 1
137 #endif
138