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-rw-r--r--SConscript1
-rw-r--r--arch/SConscript3
-rw-r--r--arch/alpha/SConscript1
-rw-r--r--arch/alpha/process.cc61
-rw-r--r--arch/alpha/process.hh48
-rw-r--r--arch/mips/process.cc56
-rw-r--r--arch/mips/process.hh45
-rw-r--r--arch/sparc/process.cc56
-rw-r--r--arch/sparc/process.hh45
-rw-r--r--base/loader/elf_object.cc45
-rw-r--r--base/loader/object_file.hh11
-rw-r--r--sim/process.cc28
12 files changed, 368 insertions, 32 deletions
diff --git a/SConscript b/SConscript
index 51836b0be..1f68011b6 100644
--- a/SConscript
+++ b/SConscript
@@ -374,6 +374,7 @@ def make_objs(sources, env):
# the corresponding build directory to pick up generated include
# files.
env.Append(CPPPATH='.')
+env.Append(CPPPATH='./libelf')
# Debug binary
debugEnv = env.Copy(OBJSUFFIX='.do')
diff --git a/arch/SConscript b/arch/SConscript
index 5783b39dd..b4b7a1ddb 100644
--- a/arch/SConscript
+++ b/arch/SConscript
@@ -46,9 +46,8 @@ sources = []
# List of headers to generate
isa_switch_hdrs = Split('''
isa_traits.hh
- linux_process.hh
- tru64_process.hh
tlb.hh
+ process.hh
aout_machdep.h
ecoff_machdep.h
arguments.hh
diff --git a/arch/alpha/SConscript b/arch/alpha/SConscript
index 3b0e69b7a..03d73eef7 100644
--- a/arch/alpha/SConscript
+++ b/arch/alpha/SConscript
@@ -64,6 +64,7 @@ syscall_emulation_sources = Split('''
common_syscall_emul.cc
linux_process.cc
tru64_process.cc
+ process.cc
''')
# Set up complete list of sources based on configuration.
diff --git a/arch/alpha/process.cc b/arch/alpha/process.cc
new file mode 100644
index 000000000..b2dbe7ad1
--- /dev/null
+++ b/arch/alpha/process.cc
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2003-2004 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 "arch/alpha/process.hh"
+
+namespace AlphaISA
+{
+
+LiveProcess *
+createProcess(const std::string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ std::vector<std::string> &argv, std::vector<std::string> &envp)
+{
+ LiveProcess * process = NULL;
+ if (objFile->getArch() != ObjectFile::Alpha)
+ fatal("Object file does not match architecture.");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::Tru64:
+ process = new AlphaTru64Process(nm, objFile,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
+ break;
+
+ case ObjectFile::Linux:
+ process = new AlphaLinuxProcess(nm, objFile,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
+ break;
+
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+ return process;
+}
+
+} // namespace AlphaISA
diff --git a/arch/alpha/process.hh b/arch/alpha/process.hh
new file mode 100644
index 000000000..7b660ddd0
--- /dev/null
+++ b/arch/alpha/process.hh
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+#ifndef __ALPHA_PROCESS_HH__
+#define __ALPHA_PROCESS_HH__
+
+#include <string>
+
+#include "arch/alpha/linux_process.hh"
+#include "arch/alpha/tru64_process.hh"
+#include "base/loader/object_file.hh"
+
+namespace AlphaISA
+{
+
+LiveProcess *
+createProcess(const std::string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ std::vector<std::string> &argv, std::vector<std::string> &envp);
+
+} // namespace AlphaISA
+
+#endif // __ALPHA_PROCESS_HH__
diff --git a/arch/mips/process.cc b/arch/mips/process.cc
new file mode 100644
index 000000000..6de44fe9f
--- /dev/null
+++ b/arch/mips/process.cc
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2003-2004 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 "arch/mips/process.hh"
+
+namespace MipsISA
+{
+
+LiveProcess *
+createProcess(const string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ vector<string> &argv, vector<string> &envp)
+{
+ LiveProcess * process = NULL;
+ if (objFile->getArch() != ObjectFile::MIPS)
+ fatal("Object file does not match architecture.");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::Linux:
+ process = new MipsLinuxProcess(nm, objFile,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
+ break;
+
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+ return process;
+}
+
+} // namespace MipsISA
+
diff --git a/arch/mips/process.hh b/arch/mips/process.hh
new file mode 100644
index 000000000..ab4323107
--- /dev/null
+++ b/arch/mips/process.hh
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+#ifndef __MIPS_PROCESS_HH__
+#define __MIPS_PROCESS_HH__
+
+#include "arch/mips/linux_process.hh"
+#include "base/loader/object_file.hh"
+
+namespace MipsISA
+{
+
+LiveProcess *
+createProcess(const string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ vector<string> &argv, vector<string> &envp);
+
+} // namespace MipsISA
+
+#endif // __MIPS_PROCESS_HH__
diff --git a/arch/sparc/process.cc b/arch/sparc/process.cc
new file mode 100644
index 000000000..53a215379
--- /dev/null
+++ b/arch/sparc/process.cc
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2003-2004 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 "arch/sparc/process.hh"
+
+namespace SparcISA
+{
+
+LiveProcess *
+createProcess(const string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ vector<string> &argv, vector<string> &envp)
+{
+ LiveProcess * process = NULL;
+ if (objFile->getArch() != ObjectFile::SPARC)
+ fatal("Object file does not match architecture.");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::Linux:
+ process = new SparcLinuxProcess(nm, objFile,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
+ break;
+
+ case ObjectFile::Solaris:
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+ return process;
+}
+
+} // namespace SparcISA
diff --git a/arch/sparc/process.hh b/arch/sparc/process.hh
new file mode 100644
index 000000000..387649d47
--- /dev/null
+++ b/arch/sparc/process.hh
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+#ifndef __SPARC_PROCESS_HH__
+#define __SPARC_PROCESS_HH__
+
+#include "arch/sparc/linux_process.hh"
+#include "base/loader/object_file.hh"
+
+namespace SparcISA
+{
+
+LiveProcess *
+createProcess(const string &nm, ObjectFile * objFile,
+ int stdin_fd, int stdout_fd, int stderr_fd,
+ vector<string> &argv, vector<string> &envp);
+
+} // namespace SparcISA
+
+#endif // __SPARC_PROCESS_HH__
diff --git a/base/loader/elf_object.cc b/base/loader/elf_object.cc
index b74d537af..9dd9f9d00 100644
--- a/base/loader/elf_object.cc
+++ b/base/loader/elf_object.cc
@@ -56,6 +56,8 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
{
Elf *elf;
GElf_Ehdr ehdr;
+ Arch arch = UnknownArch;
+ OpSys opSys = UnknownOpSys;
// check that header matches library version
if (elf_version(EV_CURRENT) == EV_NONE)
@@ -73,8 +75,8 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
return NULL;
}
else {
- if (ehdr.e_ident[EI_CLASS] == ELFCLASS32)
- panic("32 bit ELF Binary, Not Supported");
+// if (ehdr.e_ident[EI_CLASS] == ELFCLASS32)
+// panic("32 bit ELF Binary, Not Supported");
/* @todo this emachine value isn't offical yet.
* so we probably shouldn't check it. */
// if (ehdr.e_machine != EM_ALPHA)
@@ -82,8 +84,43 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
elf_end(elf);
- return new ElfObject(fname, fd, len, data,
- ObjectFile::Alpha, ObjectFile::Linux);
+ //Detect the architecture
+ //Versioning issues in libelf need to be resolved to get the correct
+ //SPARC constants.
+ //If MIPS supports 32 bit executables, this may need to be changed.
+ //Also, there are other MIPS constants which may be used, like
+ //EM_MIPS_RS3_LE and EM_MIPS_X
+ //Since we don't know how to check for alpha right now, we'll
+ //just assume if it wasn't something else and it's 64 bit, that's
+ //what it must be.
+ if (ehdr.e_machine == EM_SPARC64 ||
+ ehdr.e_machine == EM_SPARC ||
+ ehdr.e_machine == EM_SPARCV9) {
+ arch = ObjectFile::SPARC;
+ } else if (ehdr.e_machine == EM_MIPS
+ && ehdr.e_ident[EI_CLASS] == ELFCLASS32) {
+ arch = ObjectFile::MIPS;
+ } else if (ehdr.e_ident[EI_CLASS] == ELFCLASS64) {
+ arch = ObjectFile::Alpha;
+ } else {
+ arch = ObjectFile::UnknownArch;
+ }
+
+ //Detect the operating system
+ switch (ehdr.e_ident[EI_OSABI])
+ {
+ case ELFOSABI_LINUX:
+ opSys = ObjectFile::Linux;
+ break;
+ case ELFOSABI_SOLARIS:
+ opSys = ObjectFile::Solaris;
+ case ELFOSABI_TRU64:
+ opSys = ObjectFile::Tru64;
+ default:
+ opSys = ObjectFile::UnknownOpSys;
+ }
+
+ return new ElfObject(fname, fd, len, data, arch, opSys);
}
}
diff --git a/base/loader/object_file.hh b/base/loader/object_file.hh
index 3c8659e18..1b44ae14f 100644
--- a/base/loader/object_file.hh
+++ b/base/loader/object_file.hh
@@ -29,7 +29,9 @@
#ifndef __OBJECT_FILE_HH__
#define __OBJECT_FILE_HH__
-#include "arch/isa_traits.hh" // for Addr
+#include <string>
+
+#include "sim/host.hh" // for Addr
class FunctionalMemory;
class SymbolTable;
@@ -40,13 +42,16 @@ class ObjectFile
enum Arch {
UnknownArch,
- Alpha
+ Alpha,
+ SPARC,
+ MIPS
};
enum OpSys {
UnknownOpSys,
Tru64,
- Linux
+ Linux,
+ Solaris
};
protected:
diff --git a/sim/process.cc b/sim/process.cc
index e3cae2855..fddd9a0b9 100644
--- a/sim/process.cc
+++ b/sim/process.cc
@@ -48,8 +48,7 @@
#include "sim/stats.hh"
#include "sim/syscall_emul.hh"
-#include "arch/tru64_process.hh"
-#include "arch/linux_process.hh"
+#include "arch/process.hh"
using namespace std;
using namespace TheISA;
@@ -376,27 +375,10 @@ LiveProcess::create(const string &nm,
fatal("Can't load object file %s", executable);
}
- // check object type & set up syscall emulation pointer
- if (objFile->getArch() == ObjectFile::Alpha) {
- switch (objFile->getOpSys()) {
- case ObjectFile::Tru64:
- process = new AlphaTru64Process(nm, objFile,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp);
- break;
-
- case ObjectFile::Linux:
- process = new AlphaLinuxProcess(nm, objFile,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp);
- break;
-
- default:
- fatal("Unknown/unsupported operating system.");
- }
- } else {
- fatal("Unknown object file architecture.");
- }
+ // set up syscall emulation pointer for the current ISA
+ process = createProcess(nm, objFile,
+ stdin_fd, stdout_fd, stderr_fd,
+ argv, envp);
delete objFile;