arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/fake_syscall.cc: arch/alpha/faults.cc: arch/alpha/isa_desc: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/circlebuf.cc: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/cprintf.cc: base/cprintf.hh: base/fast_alloc.cc: base/fifo_buffer.cc: base/fifo_buffer.hh: base/hashmap.hh: base/hostinfo.cc: base/hostinfo.hh: base/hybrid_pred.cc: base/hybrid_pred.hh: base/inet.cc: base/inet.hh: base/inifile.cc: base/inifile.hh: base/intmath.cc: base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/exec_aout.h: base/loader/exec_ecoff.h: base/loader/object_file.cc: base/loader/object_file.hh: base/loader/symtab.cc: base/loader/symtab.hh: base/misc.cc: base/misc.hh: base/pollevent.cc: base/pollevent.hh: base/random.cc: base/random.hh: base/range.hh: base/remote_gdb.cc: base/remote_gdb.hh: base/res_list.hh: base/sat_counter.cc: base/sat_counter.hh: base/sched_list.hh: base/socket.cc: base/statistics.cc: base/statistics.hh: base/str.cc: base/trace.cc: base/trace.hh: cpu/base_cpu.cc: cpu/base_cpu.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/memtest/memtest.cc: cpu/memtest/memtest.hh: cpu/pc_event.cc: cpu/pc_event.hh: cpu/simple_cpu/simple_cpu.cc: cpu/simple_cpu/simple_cpu.hh: cpu/static_inst.cc: cpu/static_inst.hh: dev/alpha_console.cc: dev/alpha_console.hh: dev/console.cc: dev/console.hh: dev/disk_image.cc: dev/disk_image.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.cc: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/simple_disk.cc: dev/simple_disk.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: sim/debug.cc: sim/eventq.cc: sim/eventq.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/prog.cc: sim/prog.hh: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_object.cc: sim/sim_object.hh: sim/sim_time.cc: sim/system.cc: sim/system.hh: sim/universe.cc: test/circletest.cc: test/cprintftest.cc: test/initest.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/tap/tap.cc: Make include paths explicit. --HG-- extra : convert_revision : 941cbdc591fd4d3d1d9f095cd58fc23dd2d73840
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string>
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#include "base/loader/elf_object.hh"
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#include "mem/functional_mem/functional_memory.hh"
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#include "base/loader/symtab.hh"
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#include "base/trace.hh" // for DPRINTF
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#include "base/loader/exec_elf.h"
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using namespace std;
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ObjectFile *
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ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
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{
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if (memcmp(((Elf64_Ehdr *)data)->e_ident, ELFMAG, SELFMAG) == 0) {
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// for now we'll assume it's a 64-bit Alpha binary
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return new ElfObject(fname, fd, len, data);
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}
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else {
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return NULL;
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}
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}
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ElfObject::ElfObject(const string &_filename, int _fd,
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size_t _len, uint8_t *_data)
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: ObjectFile(_filename, _fd, _len, _data)
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{
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ehdr = (Elf64_Ehdr *)fileData;
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entry = ehdr->e_entry;
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phdr = (Elf64_Phdr *)(fileData + ehdr->e_phoff);
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assert(sizeof(Elf64_Phdr) == ehdr->e_phentsize);
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bool foundText = false;
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bool foundData = false;
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for (int i = 0; i < ehdr->e_phnum; ++i) {
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Elf64_Phdr *p = &phdr[i];
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// for now we don't care about non-loadable segments
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if (!(p->p_type & PT_LOAD))
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continue;
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if (p->p_flags & PF_X) {
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// executable: must be text
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assert(!foundText);
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foundText = true;
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textPhdrIdx = i;
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text.baseAddr = p->p_vaddr;
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text.size = p->p_filesz;
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assert(p->p_filesz == p->p_memsz);
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}
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else {
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assert(p->p_flags & PF_R);
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assert(!foundData);
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foundData = true;
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dataPhdrIdx = i;
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data.baseAddr = p->p_vaddr;
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data.size = p->p_filesz;
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bss.baseAddr = data.baseAddr + data.size;
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bss.size = p->p_memsz - p->p_filesz;
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}
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}
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assert(foundText && foundData);
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DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n",
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text.baseAddr, text.size, data.baseAddr, data.size,
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bss.baseAddr, bss.size);
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}
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bool
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ElfObject::loadSections(FunctionalMemory *mem, bool loadPhys)
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{
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Addr textAddr = text.baseAddr;
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Addr dataAddr = data.baseAddr;
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if (loadPhys) {
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textAddr &= (ULL(1) << 40) - 1;
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dataAddr &= (ULL(1) << 40) - 1;
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}
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// Since we don't really have an MMU and all memory is
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// zero-filled, there's no need to set up the BSS segment.
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if (text.size != 0)
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mem->prot_write(textAddr, fileData + phdr[textPhdrIdx].p_offset,
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text.size);
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if (data.size != 0)
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mem->prot_write(dataAddr, fileData + phdr[dataPhdrIdx].p_offset,
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data.size);
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return true;
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}
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bool
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ElfObject::loadGlobalSymbols(SymbolTable *symtab)
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{
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// symbols not supported yet
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return false;
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}
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bool
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ElfObject::loadLocalSymbols(SymbolTable *symtab)
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{
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// symbols not supported yet
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return false;
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}
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