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annotate gcc/config/ia64/vms.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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55
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1 /* Definitions of target machine GNU compiler. IA64-VMS version.
67
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2 Copyright (C) 2003-2010 Free Software Foundation, Inc.
55
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3 Contributed by Douglas B Rupp (rupp@gnat.com).
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #define TARGET_OBJECT_SUFFIX ".obj"
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22 #define TARGET_EXECUTABLE_SUFFIX ".exe"
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23
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24 #define OBJECT_FORMAT_ELF
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25
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26 #define TARGET_OS_CPP_BUILTINS() \
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27 do { \
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28 builtin_define_std ("vms"); \
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29 builtin_define_std ("VMS"); \
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30 builtin_define ("__IA64"); \
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31 builtin_assert ("system=vms"); \
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32 builtin_define ("__IEEE_FLOAT"); \
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33 } while (0)
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34
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35 /* By default, allow $ to be part of an identifier. */
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36 #define DOLLARS_IN_IDENTIFIERS 2
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37
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38 #undef TARGET_ABI_OPEN_VMS
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39 #define TARGET_ABI_OPEN_VMS 1
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40
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41 #undef TARGET_NAME
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42 #define TARGET_NAME "OpenVMS/IA64"
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43 #undef TARGET_VERSION
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44 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
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45
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46 /* Need .debug_line info generated from gcc and gas. */
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47 #undef TARGET_DEFAULT
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48 #define TARGET_DEFAULT (MASK_DWARF2_ASM | MASK_GNU_AS)
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49
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50 #define VMS_DEBUG_MAIN_POINTER "TRANSFER$BREAK$GO"
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51
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52 /* "long" is 32 bits, but 64 bits for Ada. */
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53 #undef LONG_TYPE_SIZE
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54 #define LONG_TYPE_SIZE 32
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55 #define ADA_LONG_TYPE_SIZE 64
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56
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57 /* Pointer is 32 bits but the hardware has 64-bit addresses, sign extended. */
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58 #undef POINTER_SIZE
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59 #define POINTER_SIZE 32
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60 #define POINTERS_EXTEND_UNSIGNED 0
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61
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62 #undef MAX_OFILE_ALIGNMENT
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63 #define MAX_OFILE_ALIGNMENT 524288 /* 8 x 2^16 by DEC Ada Test CD40VRA */
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64
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65 /* Widest floating-point type efficiently supported by hardware and OS. */
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66 #undef WIDEST_HARDWARE_FP_SIZE
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67 #define WIDEST_HARDWARE_FP_SIZE 64
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68
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69 /* The structure return address arrives as an "argument" on VMS. */
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70 #undef PCC_STATIC_STRUCT_RETURN
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71
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72 /* Turn on VMS specific Dwarf2 features. */
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73 #define VMS_DEBUGGING_INFO 1
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74
67
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75 #define ASM_OUTPUT_DWARF_VMS_DELTA(FILE,SIZE,LABEL1,LABEL2) \
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76 do { \
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77 fprintf (FILE, "\tdata4.ua\t@slotcount("); \
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78 assemble_name (FILE, LABEL1); \
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79 fprintf (FILE, "-"); \
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80 assemble_name (FILE, LABEL2); \
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81 fprintf (FILE, ")"); \
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82 } while (0)
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83
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84 #undef STARTFILE_SPEC
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85 #define STARTFILE_SPEC \
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86 "%{!shared:%{mvms-return-codes:vcrt0.o%s} %{!mvms-return-codes:pcrt0.o%s} \
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87 crtbegin.o%s} \
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88 %{!static:%{shared:crtinitS.o%s crtbeginS.o%s}}"
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89
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90 #undef ENDFILE_SPEC
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91 #define ENDFILE_SPEC \
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92 "%{!shared:crtend.o%s} %{!static:%{shared:crtendS.o%s}}"
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93
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94 #define LINK_GCC_C_SEQUENCE_SPEC "%G"
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95
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96 #undef LINK_SPEC
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97 #define LINK_SPEC "%{g*} %{map} %{save-temps} %{shared} %{v}"
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98
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99 #undef LIB_SPEC
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100 #define LIB_SPEC ""
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101
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102 #undef ASM_SPEC
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103 #define ASM_SPEC \
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104 "%{mno-gnu-as:-N so -N vms_upcase -W DVLoc_off} %{mconstant-gp:-M const_gp} \
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105 %{mauto-pic:-M no_plabel} %{source-listing:-ahdl=%b.lis}"
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106
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107 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
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108 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
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109 do { \
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110 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
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111 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \
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112 } while (0)
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113
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114 /* Set the function to change the names of the division and modulus
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115 functions. */
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116 #undef TARGET_INIT_LIBFUNCS
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117 #define TARGET_INIT_LIBFUNCS ia64_vms_init_libfuncs
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118
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 #define NAME__MAIN "__gccmain"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
120 #define SYMBOL__MAIN __gccmain
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
121
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 #define CTOR_LIST_BEGIN asm (".global\tLIB$INITIALIZE#\n"); \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123 STATIC func_ptr __CTOR_LIST__[1] \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 __attribute__ ((__unused__, section(".ctors"), aligned(sizeof(func_ptr)))) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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125 = { (func_ptr) (-1) };
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 #undef INIT_SECTION_ASM_OP
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 #define INIT_SECTION_ASM_OP ".section\tLIB$INITIALIZE#,\"a\",@progbits"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 asm (SECTION_OP "\n\tdata4 @fptr(" #FUNC"#)\n"); \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 FORCE_CODE_SECTION_ALIGN \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 asm (TEXT_SECTION_ASM_OP);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 #undef FINI_SECTION_ASM_OP
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 /* Maybe same as HPUX? Needs to be checked. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 #define JMP_BUF_SIZE (8 * 76)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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139
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 typedef struct crtl_name_spec
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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142 const char *const name;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 const char *deccname;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 int referenced;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 } crtl_name_spec;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 #include "config/vms/vms-crtl.h"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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148
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 /* Alias CRTL names to 32/64bit DECCRTL functions.
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 Fixme: This should do a binary search. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 #define DO_CRTL_NAMES \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 do \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 { \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 int i; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 static crtl_name_spec vms_crtl_names[] = CRTL_NAMES; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 static int malloc64_init = 0; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 if ((malloc64_init == 0) && TARGET_MALLOC64) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 { \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 for (i=0; vms_crtl_names [i].name; i++) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 { \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 if (strcmp ("calloc", vms_crtl_names [i].name) == 0) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 vms_crtl_names [i].deccname = "decc$_calloc64"; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 else \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 if (strcmp ("malloc", vms_crtl_names [i].name) == 0) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 vms_crtl_names [i].deccname = "decc$_malloc64"; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 else \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 if (strcmp ("realloc", vms_crtl_names [i].name) == 0) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 vms_crtl_names [i].deccname = "decc$_realloc64"; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 else \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 if (strcmp ("strdup", vms_crtl_names [i].name) == 0) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 vms_crtl_names [i].deccname = "decc$_strdup64"; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 } \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 malloc64_init = 1; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 } \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 for (i=0; vms_crtl_names [i].name; i++) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 if (!vms_crtl_names [i].referenced && \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 (strcmp (name, vms_crtl_names [i].name) == 0)) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 { \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 fprintf (file, "\t.alias %s, \"%s\"\n", \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 name, vms_crtl_names [i].deccname); \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 vms_crtl_names [i].referenced = 1; \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 } \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 } while (0)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
186 #undef SUBTARGET_OPTIMIZATION_OPTIONS
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
187 #define SUBTARGET_OPTIMIZATION_OPTIONS \
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
188 { OPT_LEVELS_ALL, OPT_fmerge_constants, NULL, 0 }
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 /* Define this to be nonzero if static stack checking is supported. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 #define STACK_CHECK_STATIC_BUILTIN 1
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 #define MD_UNWIND_SUPPORT "config/ia64/vms-unwind.h"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 #define UNW_IVMS_MODE(HEADER) (((HEADER) >> 44) & 0x3L)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 #define MD_UNW_COMPATIBLE_PERSONALITY_P(HEADER) (!UNW_IVMS_MODE (HEADER))
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 /* Minimum amount of stack required to recover from an anticipated stack
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 overflow detection. The default value conveys an estimate of the amount
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 of stack required to propagate an exception. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 #define STACK_CHECK_PROTECT (24 * 1024)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 #undef ASM_OUTPUT_ALIGNED_DECL_COMMON
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 #define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 ia64_vms_output_aligned_decl_common (FILE, DECL, NAME, SIZE, ALIGN)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 #undef TARGET_VALID_POINTER_MODE
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 #define TARGET_VALID_POINTER_MODE ia64_vms_valid_pointer_mode
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 #undef TARGET_ASM_NAMED_SECTION
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 #define TARGET_ASM_NAMED_SECTION ia64_vms_elf_asm_named_section