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annotate packages/services/loader/current/src/crtendS.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 //==========================================================================
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2 //
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3 // crtendS.c
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4 //
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5 // C runtime support
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): nickg
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43 // Contributors: nickg
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44 // Date: 2000-11-25
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45 // Purpose: C runtime support
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46 // Description: This file contains code that must appear at the very end of
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47 // a dynamically loaded library. It contains definitions for the
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48 // end of the .init and .fini sections.
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #include <pkgconf/system.h>
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55
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56 #include <cyg/loader/loader.hxx>
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57
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58 /*------------------------------------------------------------------------*/
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59
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60 #ifndef INIT_SECTION_ASM_OP
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61 #define INIT_SECTION_ASM_OP ".section\t.init,\"ax\"\n"
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62 #endif
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63
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64 #ifndef FINI_SECTION_ASM_OP
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65 #define FINI_SECTION_ASM_OP ".section\t.fini,\"ax\"\n"
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66 #endif
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67
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68 #ifndef TEXT_SECTION_ASM_OP
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69 #define TEXT_SECTION_ASM_OP ".text\n"
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70 #endif
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71
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72 #ifndef CTORS_SECTION_ASM_OP
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73 #define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
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74 #endif
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75
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76 #ifndef DTORS_SECTION_ASM_OP
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77 #define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
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78 #endif
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79
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80 /*------------------------------------------------------------------------*/
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81
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82 typedef void (*pfunc) (void);
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83
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84 #if 1
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85 asm(CTORS_SECTION_ASM_OP);
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86 static pfunc __CTOR_END__[1] __attribute__((unused)) = { (pfunc) 0 };
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87 asm(DTORS_SECTION_ASM_OP);
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88 static pfunc __DTOR_END__[] __attribute__((unused)) = { (pfunc) 0 };
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89 asm( TEXT_SECTION_ASM_OP );
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90
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91 #else
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92
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93 extern pfunc __CTOR_LIST__[];
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94 extern pfunc __CTOR_END__[];
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95 extern pfunc __DTOR_END__[];
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96
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97 #endif
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98
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99 /*------------------------------------------------------------------------*/
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100
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101 static void
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102 cyg_hal_invoke_constructors(void)
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103 {
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104 #if 1
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105 pfunc *p;
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106
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107 for (p = &__CTOR_END__[-1]; *p != (pfunc) -1 ; p--)
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108 (*p) ();
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109 #elif 0
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110 pfunc *p;
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111
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112 for (p = &__CTOR_LIST__[(int)__CTOR_LIST__[0]]; p != &__CTOR_LIST__[0] ; p--)
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113 (*p) ();
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114 #endif
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115 } // cyg_hal_invoke_constructors()
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116
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117 /*------------------------------------------------------------------------*/
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118
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119 static void __attribute__ ((__unused__))
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120 init_dummy (void)
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121 {
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122 asm (INIT_SECTION_ASM_OP);
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123 cyg_hal_invoke_constructors();
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124 }
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125
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126 asm( TEXT_SECTION_ASM_OP );
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127
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128 /*------------------------------------------------------------------------*/
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129
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130 static void __attribute__ ((__unused__))
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131 fini_dummy (void)
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132 {
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133 asm (FINI_SECTION_ASM_OP);
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134 // __do_global_dtors_aux ();
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135 #ifdef FORCE_FINI_SECTION_ALIGN
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136 FORCE_FINI_SECTION_ALIGN;
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137 #endif
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138 }
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139
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140 asm (TEXT_SECTION_ASM_OP);
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141
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142 /*------------------------------------------------------------------------*/
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143
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144 //==========================================================================
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jlarmour
parents:
diff changeset
145 // End of crtendS.c