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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_7efffd2b1fae7bb6f2aa85845c863494.html">kernel</a></div>
<h1>elf.c</h1><a href="elf_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id: elf_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="elf_8h.html">ubixos/elf.h</a>></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="kpanic_8h.html">ubixos/kpanic.h</a>></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="kmalloc_8h.html">lib/kmalloc.h</a>></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="vmm_8h.html">vmm/vmm.h</a>></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">const</span> <span class="keyword">struct </span>{
<a name="l00036"></a><a class="code" href="elf_8c.html#93d6f656ee02f4fedc15bbb8d536a6f0">00036</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8c.html#93d6f656ee02f4fedc15bbb8d536a6f0">elfTypeName</a>;
<a name="l00037"></a><a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">00037</a> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">id</a>;
<a name="l00038"></a>00038 } <a class="code" href="elf_8c.html#1cc52fc73272eb250bb1e44fa2ca0651">elfType</a>[] = {
<a name="l00039"></a>00039 { <span class="stringliteral">"ET_NONE"</span>, 0 },
<a name="l00040"></a>00040 { <span class="stringliteral">"ET_REL"</span>, 1 },
<a name="l00041"></a>00041 { <span class="stringliteral">"ET_EXEC"</span>, 2 },
<a name="l00042"></a>00042 { <span class="stringliteral">"ET_DYN"</span>, 3 },
<a name="l00043"></a>00043 { <span class="stringliteral">"ET_CORE"</span>, 4 },
<a name="l00044"></a>00044 { <span class="stringliteral">"ET_LOPROC"</span>, 0xff00 },
<a name="l00045"></a>00045 { <span class="stringliteral">"ET_HIPROC"</span>, 0xffff },
<a name="l00046"></a>00046 };
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">const</span> <span class="keyword">struct </span>{
<a name="l00049"></a><a class="code" href="elf_8c.html#2a4a91f3577e2ffd38d4f91011072569">00049</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8c.html#2a4a91f3577e2ffd38d4f91011072569">phTypeName</a>;
<a name="l00050"></a><a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">00050</a> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">id</a>;
<a name="l00051"></a>00051 } <a class="code" href="elf_8c.html#ad4c0b397170771260bcb1259b6a997c">elfPhType</a>[] = {
<a name="l00052"></a>00052 { <span class="stringliteral">"PT_NULL"</span>, 0 },
<a name="l00053"></a>00053 { <span class="stringliteral">"PT_LOAD"</span>, 1 },
<a name="l00054"></a>00054 { <span class="stringliteral">"PT_DYNAMIC"</span>, 2 },
<a name="l00055"></a>00055 { <span class="stringliteral">"PT_INTERP"</span>, 3 },
<a name="l00056"></a>00056 { <span class="stringliteral">"PT_NOTE"</span>, 4 },
<a name="l00057"></a>00057 { <span class="stringliteral">"PT_SHLIB"</span>, 5 },
<a name="l00058"></a>00058 { <span class="stringliteral">"PT_PHDR"</span>, 6 },
<a name="l00059"></a>00059 { <span class="stringliteral">"PT_LOPROC"</span>, 0x70000000 },
<a name="l00060"></a>00060 { <span class="stringliteral">"PT_HIPROC"</span>, 0x7fffffff },
<a name="l00061"></a>00061 };
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">const</span> <span class="keyword">struct </span>{
<a name="l00064"></a><a class="code" href="elf_8c.html#42bdf04c654064843d45e989798039fa">00064</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8c.html#42bdf04c654064843d45e989798039fa">shTypeName</a>;
<a name="l00065"></a><a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">00065</a> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">id</a>;
<a name="l00066"></a>00066 } <a class="code" href="elf_8c.html#e620f48c676769197c6893c0cbed05ea">elfShType</a>[] = {
<a name="l00067"></a>00067 {<span class="stringliteral">"SHT_NULL"</span>, 0 },
<a name="l00068"></a>00068 {<span class="stringliteral">"SHT_PROGBITS"</span>, 1 },
<a name="l00069"></a>00069 {<span class="stringliteral">"SHT_SYMTAB"</span>, 2 },
<a name="l00070"></a>00070 {<span class="stringliteral">"SHT_STRTAB"</span>, 3 },
<a name="l00071"></a>00071 {<span class="stringliteral">"SHT_RELA"</span>, 4 },
<a name="l00072"></a>00072 {<span class="stringliteral">"SHT_HASH"</span>, 5 },
<a name="l00073"></a>00073 {<span class="stringliteral">"SHT_DYNAMIC"</span>, 6 },
<a name="l00074"></a>00074 {<span class="stringliteral">"SHT_NOTE"</span>, 7 },
<a name="l00075"></a>00075 {<span class="stringliteral">"SHT_NOBITS"</span>, 8 },
<a name="l00076"></a>00076 {<span class="stringliteral">"SHT_REL"</span>, 9 },
<a name="l00077"></a>00077 {<span class="stringliteral">"SHT_SHLIB"</span>, 10 },
<a name="l00078"></a>00078 {<span class="stringliteral">"SHT_DYNSYM"</span>, 11 },
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">const</span> <span class="keyword">struct </span>{
<a name="l00082"></a><a class="code" href="elf_8c.html#3cfab9172cb06ddb64edd058e38f14ec">00082</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8c.html#3cfab9172cb06ddb64edd058e38f14ec">relTypeName</a>;
<a name="l00083"></a><a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">00083</a> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="elf_8c.html#ffd99ec09f321a630ec19d0333e291cd">id</a>;
<a name="l00084"></a>00084 } <a class="code" href="elf_8c.html#3a1455c85e66d74fa89da7fb82e54c2c">elfRelType</a>[] = {
<a name="l00085"></a>00085 {<span class="stringliteral">"R_386_NONE"</span>, 0 },
<a name="l00086"></a>00086 {<span class="stringliteral">"R_386_32"</span>, 1 },
<a name="l00087"></a>00087 {<span class="stringliteral">"R_386_PC32"</span>, 2 },
<a name="l00088"></a>00088 {<span class="stringliteral">"R_386_GOT32"</span>, 3 },
<a name="l00089"></a>00089 {<span class="stringliteral">"R_386_PLT32"</span>, 4 },
<a name="l00090"></a>00090 {<span class="stringliteral">"R_386_COPY"</span>, 5 },
<a name="l00091"></a>00091 {<span class="stringliteral">"R_386_GLOB_DAT"</span>, 6 },
<a name="l00092"></a>00092 {<span class="stringliteral">"R_386_JMP_SLOT"</span>, 7 },
<a name="l00093"></a>00093 {<span class="stringliteral">"R_386_RELATIVE"</span>, 8 },
<a name="l00094"></a>00094 {<span class="stringliteral">"R_386_GOTOFF"</span>, 9 },
<a name="l00095"></a>00095 {<span class="stringliteral">"R_386_GOTPC"</span>, 10 },
<a name="l00096"></a>00096 };
<a name="l00097"></a>00097
<a name="l00098"></a>00098
<a name="l00099"></a><a class="code" href="elf_8c.html#21666b534b5f23248f809a220ec3e0ff">00099</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8h.html#311110a36ffc1b10813ae5c4a357bbf4">elfGetShType</a>(<span class="keywordtype">int</span> shType) {
<a name="l00100"></a>00100 <span class="keywordflow">return</span>((<span class="keywordtype">char</span> *)<a class="code" href="elf_8c.html#e620f48c676769197c6893c0cbed05ea">elfShType</a>[shType].<a class="code" href="elf_8c.html#42bdf04c654064843d45e989798039fa">shTypeName</a>);
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a><a class="code" href="elf_8c.html#10bbb060fe8d138d450bf6c04913fba7">00103</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8h.html#cc8cfb0f90cf2fea91e0713719c49506">elfGetPhType</a>(<span class="keywordtype">int</span> phType) {
<a name="l00104"></a>00104 <span class="keywordflow">return</span>((<span class="keywordtype">char</span> *)<a class="code" href="elf_8c.html#ad4c0b397170771260bcb1259b6a997c">elfPhType</a>[phType].<a class="code" href="elf_8c.html#2a4a91f3577e2ffd38d4f91011072569">phTypeName</a>);
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a><a class="code" href="elf_8c.html#5e661c9a431fe068feb9ff1660a570b7">00107</a> <span class="keywordtype">char</span> *<a class="code" href="elf_8h.html#18371af6e681af62767a92ac64af1ebb">elfGetRelType</a>(<span class="keywordtype">int</span> relType) {
<a name="l00108"></a>00108 <span class="keywordflow">return</span>((<span class="keywordtype">char</span> *)<a class="code" href="elf_8c.html#3a1455c85e66d74fa89da7fb82e54c2c">elfRelType</a>[relType].<a class="code" href="elf_8c.html#3cfab9172cb06ddb64edd058e38f14ec">relTypeName</a>);
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a><a class="code" href="elf_8c.html#f11ec9e50bcff723428b0c911a177fd0">00111</a> <span class="keywordtype">int</span> <a class="code" href="elf_8h.html#f11ec9e50bcff723428b0c911a177fd0">elf_loadfile</a>(<a class="code" href="structtaskStruct.html">kTask_t</a> *p,<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="structfile.html">file</a>,<a class="code" href="types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> *addr,<a class="code" href="types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> *entry) {
<a name="l00112"></a>00112 <span class="keywordtype">int</span> i = 0x0;
<a name="l00113"></a>00113 <span class="keywordtype">int</span> x = 0x0;
<a name="l00114"></a>00114 <span class="keywordtype">int</span> numsegs = 0x0;
<a name="l00115"></a>00115 <a class="code" href="types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> base = 0x0;
<a name="l00116"></a>00116 <a class="code" href="types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> base_addr = 0x0;
<a name="l00117"></a>00117 <a class="code" href="structelfHeader.html">elfHeader</a> *binaryHeader = 0x0;
<a name="l00118"></a>00118 <a class="code" href="structelfProgramHeader.html">elfProgramHeader</a> *programHeader = 0x0;
<a name="l00119"></a>00119 <a class="code" href="structfileDescriptorStruct.html">fileDescriptor</a> *exec_fd = 0x0;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 exec_fd = <a class="code" href="file_8h.html#d6a41ac88a7d46d574e8a675fdde136c">fopen</a>(file,<span class="stringliteral">"r"</span>);
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (exec_fd == 0x0)
<a name="l00123"></a>00123 <span class="keywordflow">return</span>(-1);
<a name="l00124"></a>00124 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"MOO"</span>);
<a name="l00125"></a>00125 <span class="comment">/* Load the ELF header */</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> ((binaryHeader = (<a class="code" href="structelfHeader.html">elfHeader</a> *)<a class="code" href="kmalloc_8h.html#150eab2ac4ce4553e21ca10e7f441762">kmalloc</a>(<span class="keyword">sizeof</span>(<a class="code" href="structelfHeader.html">elfHeader</a>))) == 0x0)
<a name="l00127"></a>00127 <a class="code" href="kpanic_8h.html#a5193288597f00c4f8e3b2939aa6c0ce">K_PANIC</a>(<span class="stringliteral">"malloc failed!"</span>);
<a name="l00128"></a>00128 <a class="code" href="file_8h.html#3b06878a03209e88c008c77234b89359">fread</a>(binaryHeader,<span class="keyword">sizeof</span>(elfHeader),1,exec_fd);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">/* Check If App Is A Real Application */</span>
<a name="l00131"></a>00131 <span class="keywordflow">if</span> ((binaryHeader-><a class="code" href="structelfHeader.html#ec74b71d266bdbfaed95a9241343c28c">eIdent</a>[1] != <span class="charliteral">'E'</span>) && (binaryHeader-><a class="code" href="structelfHeader.html#ec74b71d266bdbfaed95a9241343c28c">eIdent</a>[2] != <span class="charliteral">'L'</span>) && (binaryHeader-><a class="code" href="structelfHeader.html#ec74b71d266bdbfaed95a9241343c28c">eIdent</a>[3] != <span class="charliteral">'F'</span>)) {
<a name="l00132"></a>00132 <a class="code" href="kmalloc_8h.html#aa9ed6886459604cf73ccdbf6410e487">kfree</a>(binaryHeader);
<a name="l00133"></a>00133 <a class="code" href="file_8h.html#872c22366b4c63f4bdb10cd3b7980b11">fclose</a>(exec_fd);
<a name="l00134"></a>00134 <span class="keywordflow">return</span>(-1);
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (binaryHeader-><a class="code" href="structelfHeader.html#34e52f945d79cca21dc50a8aef79f9e8">eType</a> == <a class="code" href="elf_8h.html#4373ea3b3d512434ebe2213829b6751b">ET_DYN</a>)
<a name="l00138"></a>00138 base = *addr;
<a name="l00139"></a>00139 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (binaryHeader-><a class="code" href="structelfHeader.html#34e52f945d79cca21dc50a8aef79f9e8">eType</a> == <a class="code" href="elf_8h.html#942478985eb016311380dee473cc8c3e">ET_EXEC</a>)
<a name="l00140"></a>00140 base = 0x0;
<a name="l00141"></a>00141 <span class="keywordflow">else</span>
<a name="l00142"></a>00142 <span class="keywordflow">return</span>(-1);
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="comment">/* Load The Program Header(s) */</span>
<a name="l00145"></a>00145 <span class="keywordflow">if</span> ((programHeader = (<a class="code" href="structelfProgramHeader.html">elfProgramHeader</a> *)<a class="code" href="kmalloc_8h.html#150eab2ac4ce4553e21ca10e7f441762">kmalloc</a>(<span class="keyword">sizeof</span>(<a class="code" href="structelfProgramHeader.html">elfProgramHeader</a>)*binaryHeader-><a class="code" href="structelfHeader.html#4635401868104caa04fcb5bb60840df6">ePhnum</a>)) == 0x0)
<a name="l00146"></a>00146 <a class="code" href="kpanic_8h.html#a5193288597f00c4f8e3b2939aa6c0ce">K_PANIC</a>(<span class="stringliteral">"malloc failed!"</span>);
<a name="l00147"></a>00147 <a class="code" href="file_8h.html#80528d8335cd52755f5d6a92e4f08391">fseek</a>(exec_fd,binaryHeader-><a class="code" href="structelfHeader.html#aff1ff2cb64932f1e1a1f6cf3b881787">ePhoff</a>,0);
<a name="l00148"></a>00148 <a class="code" href="file_8h.html#3b06878a03209e88c008c77234b89359">fread</a>(programHeader,(<span class="keyword">sizeof</span>(elfProgramHeader)*binaryHeader-><a class="code" href="structelfHeader.html#4635401868104caa04fcb5bb60840df6">ePhnum</a>),1,exec_fd);
<a name="l00149"></a>00149 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"MEW: [0x%X]"</span>,base);
<a name="l00150"></a>00150 <span class="keywordflow">for</span> (i = 0x0;i < binaryHeader-><a class="code" href="structelfHeader.html#4635401868104caa04fcb5bb60840df6">ePhnum</a>;i++) {
<a name="l00151"></a>00151 <span class="keywordflow">switch</span> (programHeader[i].phType) {
<a name="l00152"></a>00152 <span class="keywordflow">case</span> <a class="code" href="elf_8h.html#84d7768fd6c6ece599d297090900cf92">PT_LOAD</a>:
<a name="l00153"></a>00153 <span class="comment">/*</span>
<a name="l00154"></a>00154 <span class="comment"> Allocate Memory Im Going To Have To Make This Load Memory With Correct</span>
<a name="l00155"></a>00155 <span class="comment"> Settings so it helps us in the future</span>
<a name="l00156"></a>00156 <span class="comment"> */</span>
<a name="l00157"></a>00157 <span class="keywordflow">for</span> (x = 0x0;x < (programHeader[i].<a class="code" href="structelfProgramHeader.html#b5a140ab0f0225a8459f88d905995dd0">phMemsz</a>);x += 0x1000) {
<a name="l00158"></a>00158 <span class="comment">/* Make readonly and read/write */</span>
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (<a class="code" href="paging_8h.html#a05f8d8947fb5bcec87fc6661f83243e">vmm_remapPage</a>(<a class="code" href="vmm_8h.html#976cf3919bf7c77c868021ec9374593b">vmmFindFreePage</a>(<a class="code" href="sched_8h.html#54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#30966587a60db6b40c8be6c387e11d81">id</a>),((programHeader[i].<a class="code" href="structelfProgramHeader.html#14f11176e999131fb9be875aeb500447">phVaddr</a> & 0xFFFFF000) + x + base),<a class="code" href="paging_8h.html#f0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>) == 0x0)
<a name="l00160"></a>00160 <a class="code" href="kpanic_8h.html#a5193288597f00c4f8e3b2939aa6c0ce">K_PANIC</a>(<span class="stringliteral">"Error: Remap Page Failed"</span>);
<a name="l00161"></a>00161 <a class="code" href="lib_2string_8h.html#ce4b911463887af5e748326323e99a23">memset</a>((<span class="keywordtype">void</span> *)((programHeader[i].phVaddr & 0xFFFFF000) + x + base),0x0,0<a class="code" href="ap-boot_8S.html#f78b91f02427adef14bb8b28aa93baa5">x1000</a>);
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">/* Now Load Section To Memory */</span>
<a name="l00165"></a>00165 <a class="code" href="file_8h.html#80528d8335cd52755f5d6a92e4f08391">fseek</a>(exec_fd,programHeader[i].phOffset,0);
<a name="l00166"></a>00166 <a class="code" href="file_8h.html#3b06878a03209e88c008c77234b89359">fread</a>((<span class="keywordtype">void</span> *)programHeader[i].phVaddr,programHeader[i].phFilesz,1,exec_fd);
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">if</span> ((programHeader[i].phFlags & 0x2) != 0x2) {
<a name="l00169"></a>00169 <span class="keywordflow">for</span> (x = 0x0;x < (programHeader[i].<a class="code" href="structelfProgramHeader.html#b5a140ab0f0225a8459f88d905995dd0">phMemsz</a>);x += 0x1000) {
<a name="l00170"></a>00170 <span class="keywordflow">if</span> ((<a class="code" href="paging_8h.html#1913e8607a69ecf446b18fa1cd36c9cc">vmm_setPageAttributes</a>((programHeader[i].phVaddr & 0xFFFFF000) + x + base,<a class="code" href="paging_8h.html#122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a> | <a class="code" href="paging_8h.html#2d0253527ea5080d6befe0ee3bde473f">PAGE_USER</a>)) != 0x0)
<a name="l00171"></a>00171 <a class="code" href="kpanic_8h.html#a5193288597f00c4f8e3b2939aa6c0ce">K_PANIC</a>(<span class="stringliteral">"vmm_setPageAttributes failed"</span>);
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (numsegs == 0x0)
<a name="l00175"></a>00175 base_addr = (programHeader[i].phVaddr & 0xFFFFF000) + base;
<a name="l00176"></a>00176 numsegs++;
<a name="l00177"></a>00177 <span class="keywordflow">break</span>;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 *addr = base_addr;
<a name="l00181"></a>00181 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"entry: [0x%X]\n"</span>,*entry);
<a name="l00182"></a>00182 *entry = binaryHeader-><a class="code" href="structelfHeader.html#8ff3dd1b27053bc5a2f01afe5403e53b">eEntry</a> + base;
<a name="l00183"></a>00183 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"entry: [0x%X]\n"</span>,*entry);
<a name="l00184"></a>00184 <span class="keywordflow">return</span>(0x0);
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="comment">/***</span>
<a name="l00188"></a>00188 <span class="comment"> END</span>
<a name="l00189"></a>00189 <span class="comment"> ***/</span>
<a name="l00190"></a>00190
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 15 11:18:55 2006 for UbixOS V2 by
<a href="http://www.doxygen.org/index.html">
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