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comparison gcc/config/pa/pa-linux.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 /* Definitions for PA_RISC with ELF format
2 Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, 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
22 #undef TARGET_OS_CPP_BUILTINS
23 #define TARGET_OS_CPP_BUILTINS() \
24 do \
25 { \
26 LINUX_TARGET_OS_CPP_BUILTINS(); \
27 builtin_assert ("machine=bigendian"); \
28 } \
29 while (0)
30
31 #undef CPP_SPEC
32 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
33
34 #undef LIB_SPEC
35 #define LIB_SPEC \
36 "%{pthread:-lpthread} \
37 %{shared:-lgcc -lc} \
38 %{!shared:%{mieee-fp:-lieee} %{shared-libgcc:-lgcc} %{profile:-lc_p}%{!profile:-lc}}"
39
40 #undef ASM_SPEC
41 #define ASM_SPEC \
42 "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
43
44 /* Define this for shared library support because it isn't in the main
45 linux.h file. */
46
47 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
48
49 #undef LINK_SPEC
50 #define LINK_SPEC "\
51 %{shared:-shared} \
52 %{!shared: \
53 %{!static: \
54 %{rdynamic:-export-dynamic} \
55 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
56 %{static:-static}}"
57
58 /* glibc's profiling functions don't need gcc to allocate counters. */
59 #define NO_DEFERRED_PROFILE_COUNTERS 1
60
61 /* Define the strings used for the special svr4 .type and .size directives.
62 These strings generally do not vary from one system running svr4 to
63 another, but if a given system (e.g. m88k running svr) needs to use
64 different pseudo-op names for these, they may be overridden in the
65 file which includes this one. */
66
67 #undef STRING_ASM_OP
68 #define STRING_ASM_OP "\t.stringz\t"
69
70 #define TEXT_SECTION_ASM_OP "\t.text"
71 #define DATA_SECTION_ASM_OP "\t.data"
72 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
73
74 #define TARGET_ASM_FILE_START pa_linux_file_start
75
76 /* We want local labels to start with period if made with asm_fprintf. */
77 #undef LOCAL_LABEL_PREFIX
78 #define LOCAL_LABEL_PREFIX "."
79
80 /* Define these to generate the Linux/ELF/SysV style of internal
81 labels all the time - i.e. to be compatible with
82 ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the
83 ones in pa.h and note the lack of dollar signs in these. FIXME:
84 shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
85
86 #undef ASM_OUTPUT_ADDR_VEC_ELT
87 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
88 if (TARGET_BIG_SWITCH) \
89 fprintf (FILE, "\t.word .L%d\n", VALUE); \
90 else \
91 fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
92
93 #undef ASM_OUTPUT_ADDR_DIFF_ELT
94 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
95 if (TARGET_BIG_SWITCH) \
96 fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL); \
97 else \
98 fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
99
100 /* Use the default. */
101 #undef ASM_OUTPUT_LABEL
102
103 /* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
104 does what we want (i.e. uses colons). It must be compatible with
105 ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */
106
107 /* Use the default. */
108 #undef ASM_OUTPUT_INTERNAL_LABEL
109
110 /* Use the default. */
111 #undef TARGET_ASM_GLOBALIZE_LABEL
112 /* Globalizing directive for a label. */
113 #define GLOBAL_ASM_OP ".globl "
114
115 /* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
116 labels in a function declaration (since pa.c seems determined to do
117 it differently) */
118
119 #undef ASM_DECLARE_FUNCTION_NAME
120 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
121 do \
122 { \
123 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
124 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
125 } \
126 while (0)
127
128 /* As well as globalizing the label, we need to encode the label
129 to ensure a plabel is generated in an indirect call. */
130
131 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
132 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
133 do \
134 { \
135 if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \
136 hppa_encode_label (FUN); \
137 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
138 } \
139 while (0)
140
141 /* Linux always uses gas. */
142 #undef TARGET_GAS
143 #define TARGET_GAS 1