1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /** |
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4 | * @file |
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5 | * |
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6 | * @ingroup |
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7 | * |
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8 | * @brief |
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9 | */ |
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10 | |
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11 | /* |
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12 | * Copyright (C) 2014 Chris Johns <chrisj@rtems.org>. |
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13 | * |
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14 | * Redistribution and use in source and binary forms, with or without |
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15 | * modification, are permitted provided that the following conditions |
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16 | * are met: |
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17 | * 1. Redistributions of source code must retain the above copyright |
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18 | * notice, this list of conditions and the following disclaimer. |
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19 | * 2. Redistributions in binary form must reproduce the above copyright |
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20 | * notice, this list of conditions and the following disclaimer in the |
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21 | * documentation and/or other materials provided with the distribution. |
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22 | * |
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23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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30 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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31 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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32 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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33 | * POSSIBILITY OF SUCH DAMAGE. |
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34 | */ |
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35 | |
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36 | /* |
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37 | * Taken from NetBSD and stripped of the relocations not needed on RTEMS. |
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38 | */ |
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39 | |
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40 | /* $NetBSD: ppc_reloc.c,v 1.44 2010/01/13 20:17:22 christos Exp $ */ |
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41 | |
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42 | #include <sys/cdefs.h> |
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43 | |
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44 | #include <errno.h> |
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45 | #include <inttypes.h> |
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46 | #include <stdio.h> |
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47 | #include <sys/types.h> |
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48 | #include <sys/stat.h> |
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49 | |
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50 | #include <rtems/rtl/rtl.h> |
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51 | #include "rtl-bit-alloc.h" |
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52 | #include "rtl-elf.h" |
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53 | #include "rtl-error.h" |
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54 | #include <rtems/rtl/rtl-trace.h> |
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55 | #include "rtl-unwind.h" |
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56 | #include "rtl-unwind-dw2.h" |
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57 | |
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58 | #define ha(x) ((((u_int32_t)(x) & 0x8000) ? \ |
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59 | ((u_int32_t)(x) + 0x10000) : (u_int32_t)(x)) >> 16) |
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60 | #define l(x) ((u_int32_t)(x) & 0xffff) |
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61 | |
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62 | /* |
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63 | * SDATA allocator. |
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64 | */ |
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65 | static rtems_rtl_bit_alloc* sdata; |
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66 | |
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67 | static Elf_Addr |
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68 | get_sda_base (void) |
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69 | { |
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70 | uint32_t sda_base; |
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71 | __asm__ volatile (" mr %0, 13\n" : "=r" (sda_base)); |
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72 | return sda_base; |
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73 | } |
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74 | |
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75 | /* |
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76 | * Access the variables via asm statements to avoid any fix up issues |
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77 | * generated by the C compiler which thinks they belong in the .sdata |
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78 | * section. |
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79 | */ |
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80 | |
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81 | #define GET_ADDR(_l, _v) \ |
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82 | __asm__ volatile (" lis %0, " #_l "@h\n" \ |
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83 | " ori %0, %0, " #_l "@l\n" : "=r" (_v)) |
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84 | |
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85 | static void* |
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86 | get_sdata_start (void) |
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87 | { |
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88 | #if _ARCH_PPC64 |
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89 | return NULL; |
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90 | #else |
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91 | Elf_Addr addr; |
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92 | GET_ADDR(__SDATA_START__, addr); |
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93 | return (void*) addr; |
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94 | #endif |
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95 | } |
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96 | |
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97 | #if !_ARCH_PPC64 |
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98 | static size_t |
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99 | get_sdata_sbss_size (void) |
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100 | { |
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101 | Elf_Addr sdata_begin; |
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102 | Elf_Addr sbss_end; |
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103 | GET_ADDR(bsp_section_sdata_begin, sdata_begin); |
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104 | GET_ADDR(bsp_section_sbss_end, sbss_end); |
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105 | return sbss_end - sdata_begin; |
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106 | } |
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107 | |
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108 | static size_t |
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109 | get_sdata_libdl_size (void) |
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110 | { |
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111 | Elf_Addr begin; |
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112 | Elf_Addr end; |
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113 | GET_ADDR(bsp_section_sdata_libdl_begin, begin); |
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114 | GET_ADDR(bsp_section_sdata_libdl_end, end); |
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115 | return end - begin; |
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116 | } |
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117 | #endif |
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118 | |
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119 | uint32_t |
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120 | rtems_rtl_elf_section_flags (const rtems_rtl_obj* obj, |
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121 | const Elf_Shdr* shdr) |
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122 | { |
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123 | return 0; |
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124 | } |
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125 | |
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126 | uint32_t |
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127 | rtems_rtl_elf_arch_parse_section (const rtems_rtl_obj* obj, |
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128 | int section, |
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129 | const char* name, |
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130 | const Elf_Shdr* shdr, |
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131 | const uint32_t flags) |
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132 | { |
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133 | #if !_ARCH_PPC64 |
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134 | struct { |
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135 | const char* label; |
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136 | size_t len; |
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137 | } prefix[] = { |
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138 | #define SEPARATED_PREFIX(_p) { _p, sizeof (_p) - 1 } |
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139 | SEPARATED_PREFIX (".sdata"), |
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140 | SEPARATED_PREFIX (".sbss"), |
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141 | }; |
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142 | const size_t prefixes = sizeof (prefix) / sizeof (prefix[0]); |
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143 | size_t p; |
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144 | for (p = 0; p < prefixes; ++p) |
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145 | { |
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146 | if (strncmp (name, prefix[p].label, prefix[p].len) == 0) |
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147 | return flags | RTEMS_RTL_OBJ_SECT_ARCH_ALLOC; |
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148 | } |
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149 | #endif |
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150 | return flags; |
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151 | } |
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152 | |
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153 | bool |
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154 | rtems_rtl_elf_arch_section_alloc (const rtems_rtl_obj* obj, |
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155 | rtems_rtl_obj_sect* sect) |
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156 | { |
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157 | #if _ARCH_PPC64 |
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158 | rtems_rtl_set_error (ENOMEM, ".sdata no supported by ABI"); |
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159 | return false; |
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160 | #else |
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161 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_DETAIL)) |
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162 | printf ("rtl: section: arch: alloc: name=%s size=%zu flags=%08" PRIx32 \ |
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163 | " order=%i link=%d info=%d\n", |
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164 | sect->name, sect->size, sect->flags, sect->load_order, |
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165 | sect->link, sect->info); |
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166 | |
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167 | if (sdata == NULL) |
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168 | { |
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169 | sdata = rtems_rtl_bit_alloc_open (get_sdata_start (), |
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170 | get_sdata_libdl_size (), |
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171 | sizeof (uint32_t), |
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172 | get_sdata_sbss_size ()); |
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173 | if (sdata == NULL) |
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174 | { |
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175 | rtems_rtl_set_error (ENOMEM, "no memory for sdata allocator"); |
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176 | return false; |
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177 | } |
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178 | } |
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179 | |
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180 | sect->base = rtems_rtl_bit_alloc_balloc (sdata, sect->size); |
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181 | if (sect->base == NULL) |
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182 | { |
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183 | rtems_rtl_set_error (ENOMEM, "no .sdata memory: %s", sect->name); |
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184 | return false; |
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185 | } |
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186 | |
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187 | return true; |
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188 | #endif |
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189 | } |
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190 | |
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191 | bool |
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192 | rtems_rtl_elf_arch_section_free (const rtems_rtl_obj* obj, |
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193 | rtems_rtl_obj_sect* sect) |
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194 | { |
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195 | #if !_ARCH_PPC64 |
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196 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_DETAIL)) |
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197 | printf ("rtl: section: arch: free: name=%s size=%zu\n", sect->name, sect->size); |
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198 | if (sdata != NULL) |
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199 | rtems_rtl_bit_alloc_bfree (sdata, sect->base, sect->size); |
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200 | #endif |
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201 | return true; |
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202 | } |
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203 | |
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204 | bool |
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205 | rtems_rtl_elf_rel_resolve_sym (Elf_Word type) |
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206 | { |
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207 | return true; |
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208 | } |
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209 | |
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210 | uint32_t rtems_rtl_obj_tramp_alignment (const rtems_rtl_obj* obj) |
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211 | { |
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212 | (void) obj; |
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213 | return sizeof(uint32_t); |
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214 | } |
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215 | |
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216 | size_t |
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217 | rtems_rtl_elf_relocate_tramp_max_size (void) |
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218 | { |
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219 | /* |
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220 | * We have 4 instructions and each instruction is 32bits. |
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221 | */ |
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222 | return 4 * 4; |
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223 | } |
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224 | |
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225 | static void* |
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226 | set_veneer (void* tramopline, Elf_Addr target) |
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227 | { |
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228 | /* |
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229 | * http://shell-storm.org/online/Online-Assembler-and-Disassembler/ |
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230 | * |
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231 | * lis 12,0x1234 |
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232 | * ori 12,12,0x5678 |
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233 | * mtctr 12 |
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234 | * bctr |
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235 | */ |
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236 | #if COMPILE_ASM |
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237 | asm volatile (" lis 12,0x1234\n" \ |
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238 | " ori 12,12,0x5678\n" \ |
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239 | " mtctr 12\n" \ |
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240 | " bctr\n"); |
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241 | #endif |
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242 | uint32_t* tramp = (uint32_t*) tramopline; |
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243 | *tramp++ = 0x3d800000 | (target >> 16); |
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244 | *tramp++ = 0x618c0000 | (target & 0xffff); |
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245 | *tramp++ = 0x7d8903a6; |
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246 | *tramp++ = 0x4e800420; |
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247 | return tramp; |
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248 | } |
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249 | |
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250 | static size_t |
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251 | get_veneer_size (int type) |
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252 | { |
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253 | (void) type; |
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254 | return rtems_rtl_elf_relocate_tramp_max_size (); |
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255 | } |
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256 | |
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257 | /** |
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258 | * The offsets in the reloc words. |
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259 | */ |
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260 | #define REL_R_OFFSET (0) |
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261 | #define REL_R_INFO (1) |
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262 | #define REL_R_ADDEND (2) |
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263 | |
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264 | static rtems_rtl_elf_rel_status |
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265 | rtems_rtl_elf_reloc_rela (rtems_rtl_obj* obj, |
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266 | const Elf_Rela* rela, |
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267 | const rtems_rtl_obj_sect* sect, |
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268 | const char* symname, |
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269 | const Elf_Byte syminfo, |
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270 | const Elf_Word symvalue, |
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271 | const bool parsing) |
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272 | { |
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273 | Elf_Addr* where; |
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274 | Elf_Word tmp; |
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275 | uint32_t mask = 0; |
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276 | uint32_t bits = 0; |
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277 | bool needs_tramp = false; |
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278 | |
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279 | where = (Elf_Addr *)(sect->base + rela->r_offset); |
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280 | switch (ELF_R_TYPE(rela->r_info)) { |
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281 | case R_TYPE(NONE): |
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282 | break; |
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283 | |
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284 | case R_TYPE(32): |
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285 | /* |
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286 | * value:1; Field: word32; Expression: S + A |
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287 | */ |
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288 | if (!parsing) { |
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289 | *where = symvalue + rela->r_addend; |
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290 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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291 | printf ("rtl: ADDR32 %p @ %p in %s\n", |
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292 | (void *)*(where), where, rtems_rtl_obj_oname (obj)); |
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293 | } |
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294 | break; |
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295 | |
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296 | case R_TYPE(14): |
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297 | /* |
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298 | * value:7; Field: low14*; Expression: (S + A) >> 2 |
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299 | */ |
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300 | case R_TYPE(24): |
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301 | /* |
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302 | * value:2; Field: low24*; Expression: (S + A) >> 2 |
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303 | */ |
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304 | if (ELF_R_TYPE(rela->r_info) == R_TYPE(14)) { |
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305 | bits = 14; |
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306 | mask = 0xfffc; |
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307 | } else { |
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308 | bits = 24; |
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309 | mask = 0x3fffffc; |
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310 | } |
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311 | |
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312 | if (parsing && sect->base == 0) { |
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313 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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314 | printf ("rtl: ADDR14/ADDR24 tramp cache\n"); |
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315 | return rtems_rtl_elf_rel_tramp_cache; |
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316 | } |
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317 | |
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318 | tmp = (symvalue + rela->r_addend) >> 2; |
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319 | if (tmp > ((1<<bits) - 1 )) { |
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320 | Elf_Word tramp_addr; |
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321 | size_t tramp_size = get_veneer_size(ELF_R_TYPE(rela->r_info)); |
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322 | if (parsing) { |
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323 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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324 | printf ("rtl: ADDR14/ADDR24 tramp add\n"); |
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325 | return rtems_rtl_elf_rel_tramp_add; |
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326 | } |
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327 | if (!rtems_rtl_obj_has_tramp_space (obj, tramp_size)) { |
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328 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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329 | printf ("rtl: ADDR14/ADDR24 no tramp slot: %s\n", rtems_rtl_obj_oname (obj)); |
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330 | rtems_rtl_set_error (ENOMEM, "%s: tramp: no slot: ADDR14/ADDR24", sect->name); |
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331 | return rtems_rtl_elf_rel_failure; |
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332 | } |
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333 | needs_tramp = true; |
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334 | tramp_addr = (Elf_Addr) obj->tramp_brk; |
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335 | obj->tramp_brk = set_veneer(obj->tramp_brk, |
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336 | symvalue + rela->r_addend); |
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337 | tmp = *where; |
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338 | tmp &= ~mask; |
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339 | tmp |= (tramp_addr + rela->r_addend) & mask; |
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340 | } |
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341 | else { |
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342 | tmp = *where; |
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343 | tmp &= ~mask; |
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344 | tmp |= (symvalue + rela->r_addend) & mask; |
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345 | } |
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346 | |
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347 | if (!parsing) { |
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348 | *where = tmp; |
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349 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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350 | printf ("rtl: ADDR14/ADDR24%s %p @ %p in %s\n", |
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351 | needs_tramp ? "(tramp)" : "", |
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352 | (void *)*where, where, rtems_rtl_obj_oname (obj)); |
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353 | } |
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354 | break; |
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355 | |
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356 | case R_TYPE(16_HA): |
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357 | case R_TYPE(TPREL16_HA): |
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358 | /* |
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359 | * value:6; Field:half16; Expression: #ha(S+A) |
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360 | * value:72; Field:half16; Expression: #ha(S+A) |
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361 | */ |
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362 | if (!parsing) { |
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363 | tmp = symvalue + rela->r_addend; |
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364 | *(uint16_t *)where = (((tmp >> 16) + ((tmp & 0x8000) ? 1: 0)) & 0xffff); |
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365 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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366 | printf ("rtl: %s16_HA %p @ %p in %s\n", |
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367 | ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_HA) ? "TPREL" : "", |
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368 | (void *)*(where), where, rtems_rtl_obj_oname (obj)); |
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369 | } |
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370 | break; |
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371 | |
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372 | case R_TYPE(16_HI): |
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373 | case R_TYPE(TPREL16_HI): |
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374 | /* |
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375 | * value:5; Field:half16; Expression: #hi(S+A) |
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376 | * value:71; Field:half16; Expression: #hi(S+A) |
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377 | */ |
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378 | if (!parsing) { |
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379 | *(uint16_t *)where = ((symvalue + rela->r_addend) >> 16) & 0xffff; |
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380 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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381 | printf ("rtl: %s16_HI %p @ %p in %s\n", |
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382 | ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_HI) ? "TPREL" : "", |
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383 | (void *)*where, where, rtems_rtl_obj_oname (obj)); |
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384 | } |
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385 | break; |
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386 | |
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387 | case R_TYPE(16_LO): |
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388 | case R_TYPE(TPREL16_LO): |
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389 | /* |
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390 | * value:4; Field:half16; Expression: #lo(S+A) |
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391 | * value:71; Field:half16; Expression: #lo(S+A) |
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392 | */ |
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393 | if (!parsing) { |
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394 | *(uint16_t *)where = (symvalue + (rela->r_addend)) & 0xffff; |
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395 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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396 | printf ("rtl: %s16_LO %p @ %p in %s\n", |
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397 | ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_LO) ? "TPREL" : "", |
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398 | (void *)*where, where, rtems_rtl_obj_oname (obj)); |
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399 | } |
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400 | break; |
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401 | |
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402 | case R_TYPE(REL14): |
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403 | /* |
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404 | * value:11; Field:low14*; Expression:(S+A-P)>>2 |
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405 | */ |
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406 | case R_TYPE(REL24): |
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407 | /* |
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408 | * value:10; Field:low24*; Expression:(S+A-P)>>2 |
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409 | */ |
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410 | if (ELF_R_TYPE(rela->r_info) == R_TYPE(REL24)) { |
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411 | mask = 0x3fffffc; |
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412 | bits = 24; |
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413 | } |
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414 | else if (ELF_R_TYPE(rela->r_info) == R_TYPE(REL14)) { |
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415 | mask = 0xfffc; |
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416 | bits = 14; |
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417 | } |
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418 | |
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419 | if (parsing && sect->base == 0) { |
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420 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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421 | printf ("rtl: REL24/REL14 tramp cache\n"); |
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422 | return rtems_rtl_elf_rel_tramp_cache; |
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423 | } |
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424 | |
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425 | tmp =((int) (symvalue + rela->r_addend - (Elf_Addr)where)) >> 2; |
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426 | if (((Elf_Sword)tmp > ((1<<(bits-1)) - 1)) || |
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427 | ((Elf_Sword)tmp < -(1<<(bits-1)))) { |
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428 | Elf_Word tramp_addr; |
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429 | size_t tramp_size = get_veneer_size(ELF_R_TYPE(rela->r_info)); |
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430 | if (parsing) { |
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431 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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432 | printf ("rtl: REL24/REL14 tramp add\n"); |
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433 | return rtems_rtl_elf_rel_tramp_add; |
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434 | } |
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435 | if (!rtems_rtl_obj_has_tramp_space (obj, tramp_size)) { |
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436 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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437 | printf ("rtl: REL24/REL14 no tramp slot: %s\n", rtems_rtl_obj_oname (obj)); |
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438 | rtems_rtl_set_error (ENOMEM, "%s: tramp: no slot: REL24/REL14", sect->name); |
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439 | return rtems_rtl_elf_rel_failure; |
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440 | } |
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441 | needs_tramp = true; |
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442 | tramp_addr = (Elf_Addr) obj->tramp_brk; |
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443 | obj->tramp_brk = set_veneer(obj->tramp_brk, |
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444 | symvalue + rela->r_addend); |
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445 | tmp = *where; |
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446 | tmp &= ~mask; |
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447 | tmp |= (tramp_addr + rela->r_addend - (Elf_Addr)where) & mask; |
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448 | } |
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449 | else |
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450 | { |
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451 | tmp = *where; |
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452 | tmp &= ~mask; |
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453 | tmp |= (symvalue + rela->r_addend - (Elf_Addr)where) & mask; |
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454 | } |
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455 | |
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456 | if (!parsing) { |
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457 | *where = tmp; |
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458 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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459 | printf ("rtl: REL24/REL14%s %p @ %p in %s\n", |
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460 | needs_tramp ? "(tramp)" : "", |
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461 | (void *)*where, where, rtems_rtl_obj_oname (obj)); |
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462 | } |
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463 | break; |
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464 | |
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465 | case R_TYPE(REL32): |
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466 | /* |
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467 | * value:26; Field:word32*; Expression:S+A-P |
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468 | */ |
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469 | if (!parsing) { |
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470 | *where = symvalue + rela->r_addend - (Elf_Addr)where; |
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471 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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472 | printf ("rtl: REL32 %p @ %p in %s\n", |
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473 | (void *)*where, where, rtems_rtl_obj_oname (obj)); |
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474 | } |
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475 | break; |
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476 | |
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477 | case R_TYPE(SDAREL16): |
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478 | /* |
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479 | * A sign-extended 16 bit value relative to _SDA_BASE_, for use with |
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480 | * small data items. |
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481 | */ |
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482 | if (!parsing) { |
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483 | Elf_Addr sda_base = get_sda_base (); |
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484 | mask = 0xffff; |
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485 | tmp = *((Elf32_Half*) where); |
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486 | tmp &= ~mask; |
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487 | tmp |= (symvalue + rela->r_addend - sda_base) & mask; |
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488 | *((Elf32_Half*) where) = tmp; |
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489 | if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) |
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490 | printf ("rtl: SDAREL16 %p @ %p in %s\n", |
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491 | (void *) (uintptr_t) *((Elf32_Half*) where), |
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492 | where, rtems_rtl_obj_oname (obj)); |
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493 | } |
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494 | break; |
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495 | |
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496 | default: |
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497 | printf ("rtl: reloc unknown: sym = %" PRIu32 ", type = %" PRIu32 ", offset = %p, " |
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498 | "contents = %p\n", |
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499 | ELF_R_SYM(rela->r_info), (uint32_t) ELF_R_TYPE(rela->r_info), |
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500 | (void *)rela->r_offset, (void *)*where); |
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501 | rtems_rtl_set_error (EINVAL, |
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502 | "%s: Unsupported relocation type %" PRId32 |
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503 | " in non-PLT relocations", |
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504 | sect->name, (uint32_t) ELF_R_TYPE(rela->r_info)); |
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505 | return rtems_rtl_elf_rel_failure; |
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506 | } |
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507 | return rtems_rtl_elf_rel_no_error; |
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508 | } |
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509 | |
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510 | rtems_rtl_elf_rel_status |
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511 | rtems_rtl_elf_relocate_rela_tramp (rtems_rtl_obj* obj, |
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512 | const Elf_Rela* rela, |
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513 | const rtems_rtl_obj_sect* sect, |
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514 | const char* symname, |
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515 | const Elf_Byte syminfo, |
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516 | const Elf_Word symvalue) |
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517 | { |
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518 | return rtems_rtl_elf_reloc_rela (obj, |
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519 | rela, |
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520 | sect, |
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521 | symname, |
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522 | syminfo, |
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523 | symvalue, |
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524 | true); |
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525 | } |
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526 | |
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527 | rtems_rtl_elf_rel_status |
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528 | rtems_rtl_elf_relocate_rela (rtems_rtl_obj* obj, |
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529 | const Elf_Rela* rela, |
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530 | const rtems_rtl_obj_sect* sect, |
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531 | const char* symname, |
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532 | const Elf_Byte syminfo, |
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533 | const Elf_Word symvalue) |
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534 | { |
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535 | return rtems_rtl_elf_reloc_rela (obj, |
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536 | rela, |
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537 | sect, |
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538 | symname, |
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539 | syminfo, |
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540 | symvalue, |
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541 | false); |
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542 | } |
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543 | |
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544 | rtems_rtl_elf_rel_status |
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545 | rtems_rtl_elf_relocate_rel_tramp (rtems_rtl_obj* obj, |
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546 | const Elf_Rel* rel, |
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547 | const rtems_rtl_obj_sect* sect, |
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548 | const char* symname, |
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549 | const Elf_Byte syminfo, |
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550 | const Elf_Word symvalue) |
---|
551 | { |
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552 | (void) obj; |
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553 | (void) rel; |
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554 | (void) sect; |
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555 | (void) symname; |
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556 | (void) syminfo; |
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557 | (void) symvalue; |
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558 | rtems_rtl_set_error (EINVAL, "rel type record not supported"); |
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559 | return rtems_rtl_elf_rel_failure; |
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560 | } |
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561 | |
---|
562 | rtems_rtl_elf_rel_status |
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563 | rtems_rtl_elf_relocate_rel (rtems_rtl_obj* obj, |
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564 | const Elf_Rel* rel, |
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565 | const rtems_rtl_obj_sect* sect, |
---|
566 | const char* symname, |
---|
567 | const Elf_Byte syminfo, |
---|
568 | const Elf_Word symvalue) |
---|
569 | { |
---|
570 | (void) obj; |
---|
571 | (void) rel; |
---|
572 | (void) sect; |
---|
573 | (void) symname; |
---|
574 | (void) syminfo; |
---|
575 | (void) symvalue; |
---|
576 | rtems_rtl_set_error (EINVAL, "rel type record not supported"); |
---|
577 | return rtems_rtl_elf_rel_failure; |
---|
578 | } |
---|
579 | |
---|
580 | bool |
---|
581 | rtems_rtl_elf_unwind_parse (const rtems_rtl_obj* obj, |
---|
582 | const char* name, |
---|
583 | uint32_t flags) |
---|
584 | { |
---|
585 | return rtems_rtl_elf_unwind_dw2_parse (obj, name, flags); |
---|
586 | } |
---|
587 | |
---|
588 | bool |
---|
589 | rtems_rtl_elf_unwind_register (rtems_rtl_obj* obj) |
---|
590 | { |
---|
591 | return rtems_rtl_elf_unwind_dw2_register (obj); |
---|
592 | } |
---|
593 | |
---|
594 | bool |
---|
595 | rtems_rtl_elf_unwind_deregister (rtems_rtl_obj* obj) |
---|
596 | { |
---|
597 | return rtems_rtl_elf_unwind_dw2_deregister (obj); |
---|
598 | } |
---|