ELFEmulation.cpp revision cedee4b38f4786845183be7f5916dd520a170ae0
1cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao//===- ELFSectionMap.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//===----------------------------------------------------------------------===// 9cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <mcld/Support/MsgHandling.h> 10cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <mcld/LD/ELFSectionMap.h> 11cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 12cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaousing namespace mcld; 13cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 14cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaostruct NameMap { 15cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao const char* from; 16cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao const char* to; 17cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao}; 18cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 19cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// Common mappings of ELF and other formants. Now only ELF specific mappings 20cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// are added 21cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaostatic const NameMap map[] = 22cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 23cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".text", ".text"}, 24cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".rodata", ".rodata"}, 25cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data.rel.ro.local", ".data.rel.ro.local"}, 26cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data.rel.ro", ".data.rel.ro"}, 27cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".data", ".data"}, 28cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".bss", ".bss"}, 29cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".tdata", ".tdata"}, 30cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".tbss", ".tbss"}, 31cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".init_array", ".init_array"}, 32cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".fini_array", ".fini_array"}, 33cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // TODO: Support DT_INIT_ARRAY for all constructors? 34cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".ctors", ".ctors"}, 35cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".dtors", ".dtors"}, 36cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sdata", ".sdata"}, 37cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sbss", ".sbss"}, 38cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // FIXME: in GNU ld, if we are creating a shared object .sdata2 and .sbss2 39cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao // sections would be handled differently. 40cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sdata2", ".sdata"}, 41cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".sbss2", ".sbss"}, 42cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".lrodata", ".lrodata"}, 43cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".ldata", ".ldata"}, 44cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".lbss", ".lbss"}, 45cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gcc_except_table", ".gcc_except_table"}, 46cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d.rel.ro.local", ".data.rel.ro.local"}, 47cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d.rel.ro", ".data.rel.ro"}, 48cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.t", ".text"}, 49cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.r", ".rodata"}, 50cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.d", ".data"}, 51cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.b", ".bss"}, 52cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.s", ".sdata"}, 53cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.sb", ".sbss"}, 54cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.s2", ".sdata"}, 55cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.sb2", ".sbss"}, 56cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.wi", ".debug_info"}, 57cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.td", ".tdata"}, 58cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.tb", ".tbss"}, 59cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.lr", ".lrodata"}, 60cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.l", ".ldata"}, 61cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao {".gnu.linkonce.lb", ".lbss"}, 62cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao}; 63cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 64cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaostatic const int map_size = (sizeof(map) / sizeof(map[0])); 65cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 66cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei LiaoELFSectionMap::ELFSectionMap() 67cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 68cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao} 69cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 70cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei LiaoELFSectionMap::~ELFSectionMap() 71cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 72cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao} 73cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 74cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaovoid ELFSectionMap::initStandardMaps() 75cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 76cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao for (unsigned int i = 0; i < map_size; ++i) { 77cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao bool exist = false; 78cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao NamePair& pair = append(map[i].from, map[i].to, exist); 79cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao if (exist) { 80cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao warning(diag::warn_duplicate_std_sectmap) << map[i].from 81cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao << map[i].to 82cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao << pair.from 83cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao << pair.to; 84cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao } 85cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao } 86cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao} 87cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 88