ELFEmulation.cpp revision 22add6ff3426df1a85089fe6a6e1597ee3b6f300
122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao//===- ELFEmulation.cpp ---------------------------------------------------===// 2cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 3cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// The MCLinker Project 4cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 5cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// This file is distributed under the University of Illinois Open Source 6cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// License. See LICENSE.TXT for details. 7cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 8cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao//===----------------------------------------------------------------------===// 922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <mcld/Target/ELFEmulation.h> 1022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <mcld/LinkerConfig.h> 11cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 12cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaousing namespace mcld; 13cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 14cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaostruct NameMap { 1522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao const char* from; ///< the prefix of the input string. (match FROM*) 1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao const char* to; ///< the output string. 17cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao}; 18cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 19cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaostatic const NameMap map[] = 20cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 21cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".text", ".text"}, 22cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".rodata", ".rodata"}, 23cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data.rel.ro.local", ".data.rel.ro.local"}, 24cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data.rel.ro", ".data.rel.ro"}, 25cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data", ".data"}, 26cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".bss", ".bss"}, 27cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".tdata", ".tdata"}, 28cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".tbss", ".tbss"}, 29cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".init_array", ".init_array"}, 30cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".fini_array", ".fini_array"}, 31cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // TODO: Support DT_INIT_ARRAY for all constructors? 32cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".ctors", ".ctors"}, 33cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".dtors", ".dtors"}, 34cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // FIXME: in GNU ld, if we are creating a shared object .sdata2 and .sbss2 35cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // sections would be handled differently. 36cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sdata2", ".sdata"}, 37cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sbss2", ".sbss"}, 3822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".sdata", ".sdata"}, 3922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".sbss", ".sbss"}, 40cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".lrodata", ".lrodata"}, 41cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".ldata", ".ldata"}, 42cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".lbss", ".lbss"}, 43cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gcc_except_table", ".gcc_except_table"}, 44cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d.rel.ro.local", ".data.rel.ro.local"}, 45cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d.rel.ro", ".data.rel.ro"}, 46cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.r", ".rodata"}, 47cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d", ".data"}, 48cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.b", ".bss"}, 4922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".gnu.linkonce.sb2", ".sbss"}, 50cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.sb", ".sbss"}, 51cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.s2", ".sdata"}, 5222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".gnu.linkonce.s", ".sdata"}, 53cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.wi", ".debug_info"}, 54cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.td", ".tdata"}, 55cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.tb", ".tbss"}, 5622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".gnu.linkonce.t", ".text"}, 57cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.lr", ".lrodata"}, 58cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.lb", ".lbss"}, 5922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao {".gnu.linkonce.l", ".ldata"}, 60cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao}; 61cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 6222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaobool mcld::MCLDEmulateELF(LinkerConfig& pConfig) 63cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 6422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao if (pConfig.codeGenType() != LinkerConfig::Object) { 6522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao const unsigned int map_size = (sizeof(map) / sizeof(map[0]) ); 6622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao for (unsigned int i = 0; i < map_size; ++i) { 6722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao bool exist = false; 6822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao pConfig.scripts().sectionMap().append(map[i].from, map[i].to, exist); 6922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao if (exist) 7022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao return false; 71cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao } 72cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao } 7322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao return true; 74cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao} 75cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 76