gem5/base/loader/elf_object.cc
Steve Reinhardt 25693e9e69 Make include paths explicit and update makefile accordingly.
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
2003-10-10 11:09:00 -07:00

140 lines
4.4 KiB
C++

/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string>
#include "base/loader/elf_object.hh"
#include "mem/functional_mem/functional_memory.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh" // for DPRINTF
#include "base/loader/exec_elf.h"
using namespace std;
ObjectFile *
ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
{
if (memcmp(((Elf64_Ehdr *)data)->e_ident, ELFMAG, SELFMAG) == 0) {
// for now we'll assume it's a 64-bit Alpha binary
return new ElfObject(fname, fd, len, data);
}
else {
return NULL;
}
}
ElfObject::ElfObject(const string &_filename, int _fd,
size_t _len, uint8_t *_data)
: ObjectFile(_filename, _fd, _len, _data)
{
ehdr = (Elf64_Ehdr *)fileData;
entry = ehdr->e_entry;
phdr = (Elf64_Phdr *)(fileData + ehdr->e_phoff);
assert(sizeof(Elf64_Phdr) == ehdr->e_phentsize);
bool foundText = false;
bool foundData = false;
for (int i = 0; i < ehdr->e_phnum; ++i) {
Elf64_Phdr *p = &phdr[i];
// for now we don't care about non-loadable segments
if (!(p->p_type & PT_LOAD))
continue;
if (p->p_flags & PF_X) {
// executable: must be text
assert(!foundText);
foundText = true;
textPhdrIdx = i;
text.baseAddr = p->p_vaddr;
text.size = p->p_filesz;
assert(p->p_filesz == p->p_memsz);
}
else {
assert(p->p_flags & PF_R);
assert(!foundData);
foundData = true;
dataPhdrIdx = i;
data.baseAddr = p->p_vaddr;
data.size = p->p_filesz;
bss.baseAddr = data.baseAddr + data.size;
bss.size = p->p_memsz - p->p_filesz;
}
}
assert(foundText && foundData);
DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n",
text.baseAddr, text.size, data.baseAddr, data.size,
bss.baseAddr, bss.size);
}
bool
ElfObject::loadSections(FunctionalMemory *mem, bool loadPhys)
{
Addr textAddr = text.baseAddr;
Addr dataAddr = data.baseAddr;
if (loadPhys) {
textAddr &= (ULL(1) << 40) - 1;
dataAddr &= (ULL(1) << 40) - 1;
}
// Since we don't really have an MMU and all memory is
// zero-filled, there's no need to set up the BSS segment.
if (text.size != 0)
mem->prot_write(textAddr, fileData + phdr[textPhdrIdx].p_offset,
text.size);
if (data.size != 0)
mem->prot_write(dataAddr, fileData + phdr[dataPhdrIdx].p_offset,
data.size);
return true;
}
bool
ElfObject::loadGlobalSymbols(SymbolTable *symtab)
{
// symbols not supported yet
return false;
}
bool
ElfObject::loadLocalSymbols(SymbolTable *symtab)
{
// symbols not supported yet
return false;
}