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05dba9ee DE |
1 | /* Definitions of target machine for GNU compiler, |
2 | for IBM RS/6000 POWER running AIX V5. | |
b6d08ca1 | 3 | Copyright (C) 2001, 2003 Free Software Foundation, Inc. |
05dba9ee DE |
4 | Contributed by David Edelsohn (edelsohn@gnu.org). |
5 | ||
5de601cf NC |
6 | This file is part of GCC. |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation; either version 2, or (at your | |
11 | option) any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING. If not, write to the | |
20 | Free Software Foundation, 59 Temple Place - Suite 330, Boston, | |
21 | MA 02111-1307, USA. */ | |
05dba9ee | 22 | |
05dba9ee DE |
23 | /* AIX V5 and above support 64-bit executables. */ |
24 | #undef SUBSUBTARGET_SWITCHES | |
25 | #define SUBSUBTARGET_SWITCHES \ | |
26 | {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC, \ | |
27 | N_("Compile for 64-bit pointers") }, \ | |
28 | {"aix32", - (MASK_64BIT | MASK_POWERPC64), \ | |
29 | N_("Compile for 32-bit pointers") }, \ | |
30 | {"pe", 0, \ | |
31 | N_("Support message passing with the Parallel Environment") }, | |
32 | ||
33 | /* Sometimes certain combinations of command options do not make sense | |
34 | on a particular target machine. You can define a macro | |
35 | `OVERRIDE_OPTIONS' to take account of this. This macro, if | |
36 | defined, is executed once just after all the command options have | |
37 | been parsed. | |
38 | ||
39 | The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to | |
40 | get control. */ | |
41 | ||
09a625f7 | 42 | #define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) |
05dba9ee DE |
43 | #define SUBTARGET_OVERRIDE_OPTIONS \ |
44 | do { \ | |
45 | if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ | |
46 | { \ | |
47 | target_flags &= ~NON_POWERPC_MASKS; \ | |
c725bd79 | 48 | warning ("-maix64 and POWER architecture are incompatible"); \ |
05dba9ee DE |
49 | } \ |
50 | if (TARGET_64BIT && ! TARGET_POWERPC64) \ | |
51 | { \ | |
52 | target_flags |= MASK_POWERPC64; \ | |
c725bd79 | 53 | warning ("-maix64 requires PowerPC64 architecture remain enabled"); \ |
05dba9ee DE |
54 | } \ |
55 | if (TARGET_POWERPC64 && ! TARGET_64BIT) \ | |
56 | { \ | |
c725bd79 | 57 | error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ |
05dba9ee DE |
58 | } \ |
59 | } while (0); | |
60 | ||
61 | #undef ASM_SPEC | |
30e7f17e | 62 | #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" |
05dba9ee | 63 | |
b6d08ca1 | 64 | /* Common ASM definitions used by ASM_SPEC amongst the various targets |
05dba9ee DE |
65 | for handling -mcpu=xxx switches. */ |
66 | #undef ASM_CPU_SPEC | |
67 | #define ASM_CPU_SPEC \ | |
68 | "%{!mcpu*: %{!maix64: \ | |
69 | %{mpower: %{!mpower2: -mpwr}} \ | |
70 | %{mpower2: -mpwr2} \ | |
71 | %{mpowerpc*: %{!mpowerpc64: -mppc}} \ | |
72 | %{mpowerpc64: -mppc64} \ | |
73 | %{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \ | |
74 | %{mcpu=common: -mcom} \ | |
75 | %{mcpu=power: -mpwr} \ | |
76 | %{mcpu=power2: -mpwr2} \ | |
30e7f17e DE |
77 | %{mcpu=power3: -m620} \ |
78 | %{mcpu=power4: -m620} \ | |
05dba9ee DE |
79 | %{mcpu=powerpc: -mppc} \ |
80 | %{mcpu=rios: -mpwr} \ | |
81 | %{mcpu=rios1: -mpwr} \ | |
82 | %{mcpu=rios2: -mpwr2} \ | |
83 | %{mcpu=rsc: -mpwr} \ | |
84 | %{mcpu=rsc1: -mpwr} \ | |
85 | %{mcpu=rs64a: -mppc} \ | |
05dba9ee DE |
86 | %{mcpu=601: -m601} \ |
87 | %{mcpu=602: -mppc} \ | |
88 | %{mcpu=603: -m603} \ | |
89 | %{mcpu=603e: -m603} \ | |
90 | %{mcpu=604: -m604} \ | |
91 | %{mcpu=604e: -m604} \ | |
30e7f17e DE |
92 | %{mcpu=620: -m620} \ |
93 | %{mcpu=630: -m620}" | |
05dba9ee DE |
94 | |
95 | #undef ASM_DEFAULT_SPEC | |
96 | #define ASM_DEFAULT_SPEC "-mcom" | |
97 | ||
7990b46f MK |
98 | #undef TARGET_OS_CPP_BUILTINS |
99 | #define TARGET_OS_CPP_BUILTINS() \ | |
100 | do \ | |
101 | { \ | |
102 | builtin_define ("_IBMR2"); \ | |
103 | builtin_define ("_POWER"); \ | |
104 | builtin_define ("_LONG_LONG"); \ | |
105 | builtin_define ("_AIX"); \ | |
106 | builtin_define ("_AIX32"); \ | |
107 | builtin_define ("_AIX41"); \ | |
108 | builtin_define ("_AIX43"); \ | |
109 | builtin_define ("_AIX51"); \ | |
110 | builtin_assert ("system=unix"); \ | |
111 | builtin_assert ("system=aix"); \ | |
112 | } \ | |
113 | while (0) | |
05dba9ee DE |
114 | |
115 | #undef CPP_SPEC | |
676997cf RH |
116 | #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ |
117 | %{ansi: -D_ANSI_C_SOURCE} \ | |
118 | %{maix64: -D__64BIT__} \ | |
119 | %{mpe: -I/usr/lpp/ppe.poe/include} \ | |
4c4eb375 | 120 | %{pthread: -D_THREAD_SAFE}" |
05dba9ee | 121 | |
7841642f DE |
122 | /* The GNU C++ standard library requires that these macros be |
123 | defined. */ | |
124 | #undef CPLUSPLUS_CPP_SPEC | |
676997cf RH |
125 | #define CPLUSPLUS_CPP_SPEC \ |
126 | "-D_XOPEN_SOURCE=500 \ | |
127 | -D_XOPEN_SOURCE_EXTENDED=1 \ | |
128 | -D_LARGE_FILE_API \ | |
129 | -D_ALL_SOURCE \ | |
130 | %{maix64: -D__64BIT__} \ | |
131 | %{mpe: -I/usr/lpp/ppe.poe/include} \ | |
4c4eb375 | 132 | %{pthread: -D_THREAD_SAFE}" |
05dba9ee DE |
133 | |
134 | #undef TARGET_DEFAULT | |
135 | #define TARGET_DEFAULT MASK_NEW_MNEMONICS | |
136 | ||
137 | #undef PROCESSOR_DEFAULT | |
309323c2 | 138 | #define PROCESSOR_DEFAULT PROCESSOR_PPC604e |
05dba9ee DE |
139 | |
140 | /* Define this macro as a C expression for the initializer of an | |
141 | array of string to tell the driver program which options are | |
142 | defaults for this target and thus do not need to be handled | |
143 | specially when using `MULTILIB_OPTIONS'. | |
144 | ||
145 | Do not define this macro if `MULTILIB_OPTIONS' is not defined in | |
146 | the target makefile fragment or if none of the options listed in | |
147 | `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ | |
148 | ||
149 | #undef MULTILIB_DEFAULTS | |
150 | #define MULTILIB_DEFAULTS { "mcpu=common" } | |
151 | ||
152 | #undef LIB_SPEC | |
153 | #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ | |
154 | %{p:-L/lib/profiled -L/usr/lib/profiled}\ | |
155 | %{!maix64:%{!shared:%{g*:-lg}}}\ | |
156 | %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ | |
157 | %{pthread:-lpthreads} -lc" | |
158 | ||
159 | #undef LINK_SPEC | |
160 | #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ | |
161 | %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ | |
cbaaba19 DE |
162 | %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ |
163 | %{mpe:-binitfini:poe_remote_main}" | |
05dba9ee DE |
164 | |
165 | #undef STARTFILE_SPEC | |
166 | #define STARTFILE_SPEC "%{!shared:\ | |
cbaaba19 DE |
167 | %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ |
168 | %{!maix64:\ | |
169 | %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ | |
170 | %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" | |
05dba9ee DE |
171 | |
172 | /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ | |
173 | ||
174 | #undef PTRDIFF_TYPE | |
175 | #define PTRDIFF_TYPE "long int" | |
176 | ||
7032923b DE |
177 | /* Type used for wchar_t, as a string used in a declaration. */ |
178 | #undef WCHAR_TYPE | |
179 | #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") | |
05dba9ee DE |
180 | |
181 | /* Width of wchar_t in bits. */ | |
7032923b | 182 | #undef WCHAR_TYPE_SIZE |
05dba9ee DE |
183 | #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) |
184 | #define MAX_WCHAR_TYPE_SIZE 32 | |
185 | ||
186 | /* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC | |
187 | and "cror 31,31,31" for POWER architecture. */ | |
188 | ||
189 | #undef RS6000_CALL_GLUE | |
190 | #define RS6000_CALL_GLUE "{cror 31,31,31|nop}" | |
191 | ||
192 | /* AIX 4.2 and above provides initialization and finalization function | |
193 | support from linker command line. */ | |
194 | #undef HAS_INIT_SECTION | |
195 | #define HAS_INIT_SECTION | |
196 | ||
197 | #undef LD_INIT_SWITCH | |
198 | #define LD_INIT_SWITCH "-binitfini" |