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add translations for new sections that are mmapped or when the brk

Browse source 
is changed
Add a default machine width parameter
Arch based live processes

arch/alpha/linux/process.cc:
arch/alpha/linux/process.hh:
arch/alpha/process.cc:
arch/alpha/process.hh:
arch/alpha/tru64/process.cc:
arch/alpha/tru64/process.hh:
arch/mips/linux_process.cc:
arch/mips/process.cc:
arch/mips/process.hh:
arch/sparc/linux/process.cc:
arch/sparc/linux/process.hh:
arch/sparc/process.cc:
arch/sparc/process.hh:
configs/test/test.py:
python/m5/objects/Process.py:
sim/process.cc:
sim/process.hh:
    Architecture based live processes
arch/mips/isa_traits.hh:
arch/sparc/isa_traits.hh:
    Add a default machine width parameter
mem/port.hh:
    gcc 4 really wants  a virtual destructor
sim/byteswap.hh:
    remove the comment around long and unsigned long even though uint32_t
    and int32_t are defined. Seems to work with gcc 4 and 3.4.3.
sim/syscall_emul.cc:
sim/syscall_emul.hh:
    add translations for new sections that are mmapped or when the brk
    is changed

--HG--
extra : convert_revision : e2f9f228113c7127c87ef2358209a399c30ed5c6
This commit is contained in:
Ali Saidi 2006-03-15 17:04:50 -05:00
parent 0d8cfed042
commit 97e424982a
23 changed files with 459 additions and 179 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/alpha/linux/process.cc
View file

@ -572,7 +572,7 @@ AlphaLinuxProcess::AlphaLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
: LiveProcess(name, objFile, system, stdin_fd, stdout_fd,
: AlphaLiveProcess(name, objFile, system, stdin_fd, stdout_fd,
stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{

7
arch/alpha/linux/process.hh
View file

@ -29,11 +29,12 @@
#ifndef __ALPHA_LINUX_PROCESS_HH__
#define __ALPHA_LINUX_PROCESS_HH__
#include "sim/process.hh"
#include "arch/alpha/process.hh"
namespace AlphaISA {
/// A process with emulated Alpha/Linux syscalls.
class AlphaLinuxProcess : public LiveProcess
class AlphaLinuxProcess : public AlphaLiveProcess
{
public:
/// Constructor.
@ -55,5 +56,5 @@ class AlphaLinuxProcess : public LiveProcess
const int Num_Syscall_Descs;
};
} // namespace AlphaISA
#endif // __ALPHA_LINUX_PROCESS_HH__

116
arch/alpha/process.cc
View file

@ -26,21 +26,33 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/alpha/constants.hh"
#include "arch/alpha/process.hh"
#include "arch/alpha/linux/process.hh"
#include "arch/alpha/tru64/process.hh"
#include "base/loader/object_file.hh"
#include "base/misc.hh"
#include "cpu/exec_context.hh"
#include "sim/builder.hh"
#include "sim/system.hh"
namespace AlphaISA
{
LiveProcess *
createProcess(const std::string &nm, ObjectFile * objFile, System *system,
int stdin_fd, int stdout_fd, int stderr_fd,
using namespace AlphaISA;
using namespace std;
AlphaLiveProcess *
AlphaLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
int stdout_fd, int stderr_fd, std::string executable,
std::vector<std::string> &argv, std::vector<std::string> &envp)
{
LiveProcess * process = NULL;
AlphaLiveProcess *process = NULL;
ObjectFile *objFile = createObjectFile(executable);
if (objFile == NULL) {
fatal("Can't load object file %s", executable);
}
if (objFile->getArch() != ObjectFile::Alpha)
fatal("Object file does not match architecture.");
switch (objFile->getOpSys()) {
@ -59,7 +71,97 @@ createProcess(const std::string &nm, ObjectFile * objFile, System *system,
default:
fatal("Unknown/unsupported operating system.");
}
if (process == NULL)
fatal("Unknown error creating process object.");
return process;
}
} // namespace AlphaISA
AlphaLiveProcess::AlphaLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp)
: LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
argv, envp)
{
brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
brk_point = roundUp(brk_point, VMPageSize);
// Set up stack. On Alpha, stack goes below text section. This
// code should get moved to some architecture-specific spot.
stack_base = objFile->textBase() - (409600+4096);
// Set up region for mmaps. Tru64 seems to start just above 0 and
// grow up from there.
mmap_start = mmap_end = 0x10000;
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
}
void
AlphaLiveProcess::startup()
{
argsInit(MachineBytes, VMPageSize);
execContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer());
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
VectorParam<string> cmd;
Param<string> executable;
Param<string> input;
Param<string> output;
VectorParam<string> env;
SimObjectParam<System *> system;
END_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess)
INIT_PARAM(cmd, "command line (executable plus arguments)"),
INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
INIT_PARAM(env, "environment settings"),
INIT_PARAM(system, "system")
END_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess)
CREATE_SIM_OBJECT(AlphaLiveProcess)
{
string in = input;
string out = output;
// initialize file descriptors to default: same as simulator
int stdin_fd, stdout_fd, stderr_fd;
if (in == "stdin" || in == "cin")
stdin_fd = STDIN_FILENO;
else
stdin_fd = Process::openInputFile(input);
if (out == "stdout" || out == "cout")
stdout_fd = STDOUT_FILENO;
else if (out == "stderr" || out == "cerr")
stdout_fd = STDERR_FILENO;
else
stdout_fd = Process::openOutputFile(out);
stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
return AlphaLiveProcess::create(getInstanceName(), system,
stdin_fd, stdout_fd, stderr_fd,
(string)executable == "" ? cmd[0] : executable,
cmd, env);
}
REGISTER_SIM_OBJECT("AlphaLiveProcess", AlphaLiveProcess)

29
arch/alpha/process.hh
View file

@ -31,19 +31,34 @@
#include <string>
#include <vector>
#include "sim/process.hh"
class LiveProcess;
class ObjectFile;
class System;
namespace AlphaISA
class AlphaLiveProcess : public LiveProcess
{
protected:
AlphaLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
LiveProcess *
createProcess(const std::string &nm, ObjectFile * objFile, System * system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp);
void startup();
public:
// this function is used to create the LiveProcess object, since
// we can't tell which subclass of LiveProcess to use until we
// open and look at the object file.
static AlphaLiveProcess *create(const std::string &nm,
System *_system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::string executable,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
};
} // namespace AlphaISA
#endif // __ALPHA_PROCESS_HH__

2
arch/alpha/tru64/process.cc
View file

@ -535,7 +535,7 @@ AlphaTru64Process::AlphaTru64Process(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
: LiveProcess(name, objFile, system, stdin_fd, stdout_fd,
: AlphaLiveProcess(name, objFile, system, stdin_fd, stdout_fd,
stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
Num_Mach_Syscall_Descs(sizeof(machSyscallDescs) / sizeof(SyscallDesc))

6
arch/alpha/tru64/process.hh
View file

@ -29,10 +29,11 @@
#ifndef __ALPHA_TRU64_PROCESS_HH__
#define __ALPHA_TRU64_PROCESS_HH__
#include "sim/process.hh"
#include "arch/alpha/process.hh"
namespace AlphaISA {
/// A process with emulated Alpha Tru64 syscalls.
class AlphaTru64Process : public LiveProcess
class AlphaTru64Process : public AlphaLiveProcess
{
public:
/// Constructor.
@ -55,5 +56,6 @@ class AlphaTru64Process : public LiveProcess
virtual SyscallDesc* getDesc(int callnum);
};
} // namespace AlphaISA
#endif // __ALPHA_TRU64_PROCESS_HH__

1
arch/mips/isa_traits.hh
View file

@ -142,6 +142,7 @@ namespace MipsISA
const int BranchPredAddrShiftAmt = 2; // instructions are 4-byte aligned
const int MachineBytes = 4;
const int WordBytes = 4;
const int HalfwordBytes = 2;
const int ByteBytes = 1;

3
arch/mips/linux_process.cc
View file

@ -571,7 +571,8 @@ MipsLinuxProcess::MipsLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
: LiveProcess(name, objFile, system, stdin_fd, stdout_fd, stderr_fd, argv, envp),
: MipsLiveProcess(name, objFile, system, stdin_fd, stdout_fd, stderr_fd,
argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{
//init_regs->intRegFile[0] = 0;

118
arch/mips/process.cc
View file

@ -26,27 +26,37 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/mips/isa_traits.hh"
#include "arch/mips/process.hh"
#include "arch/mips/linux_process.hh"
#include "base/loader/object_file.hh"
#include "base/misc.hh"
#include "cpu/exec_context.hh"
#include "sim/builder.hh"
#include "sim/system.hh"
using namespace std;
using namespace MipsISA;
namespace MipsISA
{
LiveProcess *
createProcess(const string &nm, ObjectFile * objFile, System * system,
int stdin_fd, int stdout_fd, int stderr_fd,
vector<string> &argv, vector<string> &envp)
MipsLiveProcess *
MipsLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
int stdout_fd, int stderr_fd, std::string executable,
std::vector<std::string> &argv, std::vector<std::string> &envp)
{
LiveProcess * process = NULL;
MipsLiveProcess *process = NULL;
ObjectFile *objFile = createObjectFile(executable);
if (objFile == NULL) {
fatal("Can't load object file %s", executable);
}
if (objFile->getArch() != ObjectFile::MIPS)
fatal("Object file does not match architecture.");
switch (objFile->getOpSys()) {
case ObjectFile::Linux:
process = new MipsLinuxProcess(nm, objFile,system,
process = new MipsLinuxProcess(nm, objFile, system,
stdin_fd, stdout_fd, stderr_fd,
argv, envp);
break;
@ -54,8 +64,98 @@ createProcess(const string &nm, ObjectFile * objFile, System * system,
default:
fatal("Unknown/unsupported operating system.");
}
if (process == NULL)
fatal("Unknown error creating process object.");
return process;
}
} // namespace MipsISA
MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp)
: LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
argv, envp)
{
// XXX all the below need to be updated for SPARC - Ali
brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
brk_point = roundUp(brk_point, VMPageSize);
// Set up stack. On Alpha, stack goes below text section. This
// code should get moved to some architecture-specific spot.
stack_base = objFile->textBase() - (409600+4096);
// Set up region for mmaps. Tru64 seems to start just above 0 and
// grow up from there.
mmap_start = mmap_end = 0x10000;
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
}
void
MipsLiveProcess::startup()
{
argsInit(MachineBytes, VMPageSize);
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
VectorParam<string> cmd;
Param<string> executable;
Param<string> input;
Param<string> output;
VectorParam<string> env;
SimObjectParam<System *> system;
END_DECLARE_SIM_OBJECT_PARAMS(MipsLiveProcess)
BEGIN_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
INIT_PARAM(cmd, "command line (executable plus arguments)"),
INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
INIT_PARAM(env, "environment settings"),
INIT_PARAM(system, "system")
END_INIT_SIM_OBJECT_PARAMS(MipsLiveProcess)
CREATE_SIM_OBJECT(MipsLiveProcess)
{
string in = input;
string out = output;
// initialize file descriptors to default: same as simulator
int stdin_fd, stdout_fd, stderr_fd;
if (in == "stdin" || in == "cin")
stdin_fd = STDIN_FILENO;
else
stdin_fd = Process::openInputFile(input);
if (out == "stdout" || out == "cout")
stdout_fd = STDOUT_FILENO;
else if (out == "stderr" || out == "cerr")
stdout_fd = STDERR_FILENO;
else
stdout_fd = Process::openOutputFile(out);
stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
return MipsLiveProcess::create(getInstanceName(), system,
stdin_fd, stdout_fd, stderr_fd,
(string)executable == "" ? cmd[0] : executable,
cmd, env);
}
REGISTER_SIM_OBJECT("MipsLiveProcess", MipsLiveProcess)

27
arch/mips/process.hh
View file

@ -31,19 +31,34 @@
#include <string>
#include <vector>
#include "sim/process.hh"
class LiveProcess;
class ObjectFile;
class System;
namespace MipsISA
class MipsLiveProcess : public LiveProcess
{
protected:
MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
LiveProcess *
createProcess(const std::string &nm, ObjectFile * objFile,System * system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp);
void startup();
public:
// this function is used to create the LiveProcess object, since
// we can't tell which subclass of LiveProcess to use until we
// open and look at the object file.
static MipsLiveProcess *create(const std::string &nm,
System *_system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::string executable,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
};
} // namespace MipsISA
#endif // __MIPS_PROCESS_HH__

1
arch/sparc/isa_traits.hh
View file

@ -132,6 +132,7 @@ namespace SparcISA
const int BranchPredAddrShiftAmt = 2;
const int MachineBytes = 8;
const int WordBytes = 4;
const int HalfwordBytes = 2;
const int ByteBytes = 1;

2
arch/sparc/linux/process.cc
View file

@ -352,7 +352,7 @@ SparcLinuxProcess::SparcLinuxProcess(const std::string &name,
int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp)
: LiveProcess(name, objFile, system,
: SparcLiveProcess(name, objFile, system,
stdin_fd, stdout_fd, stderr_fd, argv, envp),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
{

6
arch/sparc/linux/process.hh
View file

@ -29,11 +29,13 @@
#ifndef __SPARC_LINUX_PROCESS_HH__
#define __SPARC_LINUX_PROCESS_HH__
#include "arch/sparc/process.hh"
#include "sim/process.hh"
namespace SparcISA {
/// A process with emulated SPARC/Linux syscalls.
class SparcLinuxProcess : public LiveProcess
class SparcLinuxProcess : public SparcLiveProcess
{
public:
/// Constructor.
@ -55,5 +57,5 @@ class SparcLinuxProcess : public LiveProcess
const int Num_Syscall_Descs;
};
} // namespace SparcISA
#endif // __ALPHA_LINUX_PROCESS_HH__

116
arch/sparc/process.cc
View file

@ -26,22 +26,31 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/process.hh"
#include "arch/sparc/linux/process.hh"
#include "base/loader/object_file.hh"
#include "base/misc.hh"
#include "cpu/exec_context.hh"
#include "sim/builder.hh"
#include "sim/system.hh"
using namespace std;
using namespace SparcISA;
namespace SparcISA
SparcLiveProcess *
SparcLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
int stdout_fd, int stderr_fd, std::string executable,
std::vector<std::string> &argv, std::vector<std::string> &envp)
{
SparcLiveProcess *process = NULL;
ObjectFile *objFile = createObjectFile(executable);
if (objFile == NULL) {
fatal("Can't load object file %s", executable);
}
LiveProcess *
createProcess(const string &nm, ObjectFile * objFile, System * system,
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()) {
@ -55,7 +64,98 @@ createProcess(const string &nm, ObjectFile * objFile, System * system,
default:
fatal("Unknown/unsupported operating system.");
}
if (process == NULL)
fatal("Unknown error creating process object.");
return process;
}
} // namespace SparcISA
SparcLiveProcess::SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp)
: LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
argv, envp)
{
// XXX all the below need to be updated for SPARC - Ali
brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
brk_point = roundUp(brk_point, VMPageSize);
// Set up stack. On Alpha, stack goes below text section. This
// code should get moved to some architecture-specific spot.
stack_base = objFile->textBase() - (409600+4096);
// Set up region for mmaps. Tru64 seems to start just above 0 and
// grow up from there.
mmap_start = mmap_end = 0x10000;
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
}
void
SparcLiveProcess::startup()
{
argsInit(MachineBytes, VMPageSize);
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcLiveProcess)
VectorParam<string> cmd;
Param<string> executable;
Param<string> input;
Param<string> output;
VectorParam<string> env;
SimObjectParam<System *> system;
END_DECLARE_SIM_OBJECT_PARAMS(SparcLiveProcess)
BEGIN_INIT_SIM_OBJECT_PARAMS(SparcLiveProcess)
INIT_PARAM(cmd, "command line (executable plus arguments)"),
INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
INIT_PARAM(env, "environment settings"),
INIT_PARAM(system, "system")
END_INIT_SIM_OBJECT_PARAMS(SparcLiveProcess)
CREATE_SIM_OBJECT(SparcLiveProcess)
{
string in = input;
string out = output;
// initialize file descriptors to default: same as simulator
int stdin_fd, stdout_fd, stderr_fd;
if (in == "stdin" || in == "cin")
stdin_fd = STDIN_FILENO;
else
stdin_fd = Process::openInputFile(input);
if (out == "stdout" || out == "cout")
stdout_fd = STDOUT_FILENO;
else if (out == "stderr" || out == "cerr")
stdout_fd = STDERR_FILENO;
else
stdout_fd = Process::openOutputFile(out);
stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
return SparcLiveProcess::create(getInstanceName(), system,
stdin_fd, stdout_fd, stderr_fd,
(string)executable == "" ? cmd[0] : executable,
cmd, env);
}
REGISTER_SIM_OBJECT("SparcLiveProcess", SparcLiveProcess)

27
arch/sparc/process.hh
View file

@ -31,19 +31,32 @@
#include <string>
#include <vector>
#include "sim/process.hh"
class LiveProcess;
class ObjectFile;
class System;
namespace SparcISA
class SparcLiveProcess : public LiveProcess
{
protected:
SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
LiveProcess *
createProcess(const std::string &nm, ObjectFile * objFile, System * system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::vector<std::string> &argv, std::vector<std::string> &envp);
void startup();
} // namespace SparcISA
public:
// this function is used to create the LiveProcess object, since
// we can't tell which subclass of LiveProcess to use until we
// open and look at the object file.
static SparcLiveProcess *create(const std::string &nm,
System *_system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::string executable,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
};
#endif // __SPARC_PROCESS_HH__

2
configs/test/test.py
View file

@ -1,6 +1,6 @@
from m5 import *
class HelloWorld(LiveProcess):
class HelloWorld(AlphaLiveProcess):
executable = '../configs/test/hello'
cmd = 'hello'

1
mem/port.hh
View file

@ -71,6 +71,7 @@ class Port
{
public:
virtual ~Port() {};
// mey be better to use subclasses & RTTI?
/** Holds the ports status. Keeps track if it is blocked, or has
calculated a range change. */

9
python/m5/objects/Process.py
View file

@ -12,6 +12,15 @@ class LiveProcess(Process):
env = VectorParam.String('', "environment settings")
input = Param.String('cin', "filename for stdin")
class AlphaLiveProcess(LiveProcess):
type = 'AlphaLiveProcess'
class SparcLiveProcess(LiveProcess):
type = 'SparcLiveProcess'
class MipsLiveProcess(LiveProcess):
type = 'MipsLiveProcess'
class EioProcess(Process):
type = 'EioProcess'
chkpt = Param.String('', "EIO checkpoint file name (optional)")

4
sim/byteswap.hh
View file

@ -79,11 +79,11 @@ static inline uint64_t swap_byte(uint64_t x) {return swap_byte64(x);}
static inline int64_t swap_byte(int64_t x) {return swap_byte64((uint64_t)x);}
static inline uint32_t swap_byte(uint32_t x) {return swap_byte32(x);}
static inline int32_t swap_byte(int32_t x) {return swap_byte32((uint32_t)x);}
#if defined(__APPLE__)
//#if defined(__APPLE__)
static inline long swap_byte(long x) {return swap_byte32((long)x);}
static inline unsigned long swap_byte(unsigned long x)
{ return swap_byte32((unsigned long)x);}
#endif
//#endif
static inline uint16_t swap_byte(uint16_t x) {return swap_byte32(x);}
static inline int16_t swap_byte(int16_t x) {return swap_byte16((uint16_t)x);}
static inline uint8_t swap_byte(uint8_t x) {return x;}

119
sim/process.cc
View file

@ -47,8 +47,6 @@
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
#include "arch/process.hh"
using namespace std;
using namespace TheISA;
@ -279,20 +277,6 @@ LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
{
prog_fname = argv[0];
brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
brk_point = roundUp(brk_point, VMPageSize);
// Set up stack. On Alpha, stack goes below text section. This
// code should get moved to some architecture-specific spot.
stack_base = objFile->textBase() - (409600+4096);
// Set up region for mmaps. Tru64 seems to start just above 0 and
// grow up from there.
mmap_start = mmap_end = 0x10000;
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
// load up symbols, if any... these may be used for debugging or
// profiling.
if (!debugSymbolTable) {
@ -307,7 +291,7 @@ LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
}
void
LiveProcess::startup()
LiveProcess::argsInit(int intSize, int pageSize)
{
Process::startup();
@ -315,8 +299,8 @@ LiveProcess::startup()
objFile->loadSections(initVirtMem);
// Calculate how much space we need for arg & env arrays.
int argv_array_size = sizeof(Addr) * (argv.size() + 1);
int envp_array_size = sizeof(Addr) * (envp.size() + 1);
int argv_array_size = intSize * (argv.size() + 1);
int envp_array_size = intSize * (envp.size() + 1);
int arg_data_size = 0;
for (int i = 0; i < argv.size(); ++i) {
arg_data_size += argv[i].size() + 1;
@ -335,11 +319,11 @@ LiveProcess::startup()
// set bottom of stack
stack_min = stack_base - space_needed;
// align it
stack_min &= ~7;
stack_min &= ~(intSize-1);
stack_size = stack_base - stack_min;
// map memory
pTable->allocate(roundDown(stack_min, VMPageSize),
roundUp(stack_size, VMPageSize));
pTable->allocate(roundDown(stack_min, pageSize),
roundUp(stack_size, pageSize));
// map out initial stack contents
Addr argv_array_base = stack_min + sizeof(uint64_t); // room for argc
@ -349,8 +333,14 @@ LiveProcess::startup()
// write contents to stack
uint64_t argc = argv.size();
argc = htog(argc);
initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, sizeof(uint64_t));
if (intSize == 8)
argc = htog((uint64_t)argc);
else if (intSize == 4)
argc = htog((uint32_t)argc);
else
panic("Unknown int size");
initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize);
copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
@ -358,7 +348,6 @@ LiveProcess::startup()
execContexts[0]->setIntReg(ArgumentReg0, argc);
execContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
execContexts[0]->setIntReg(StackPointerReg, stack_min);
execContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer());
Addr prog_entry = objFile->entryPoint();
execContexts[0]->setPC(prog_entry);
@ -382,82 +371,4 @@ LiveProcess::syscall(ExecContext *xc)
desc->doSyscall(callnum, this, xc);
}
LiveProcess *
LiveProcess::create(const string &nm, System *system,
int stdin_fd, int stdout_fd, int stderr_fd,
string executable,
vector<string> &argv, vector<string> &envp)
{
LiveProcess *process = NULL;
ObjectFile *objFile = createObjectFile(executable);
if (objFile == NULL) {
fatal("Can't load object file %s", executable);
}
// set up syscall emulation pointer for the current ISA
process = createProcess(nm, objFile, system,
stdin_fd, stdout_fd, stderr_fd,
argv, envp);
if (process == NULL)
fatal("Unknown error creating process object.");
return process;
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
VectorParam<string> cmd;
Param<string> executable;
Param<string> input;
Param<string> output;
VectorParam<string> env;
SimObjectParam<System *> system;
END_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
BEGIN_INIT_SIM_OBJECT_PARAMS(LiveProcess)
INIT_PARAM(cmd, "command line (executable plus arguments)"),
INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
INIT_PARAM(env, "environment settings"),
INIT_PARAM(system, "system")
END_INIT_SIM_OBJECT_PARAMS(LiveProcess)
CREATE_SIM_OBJECT(LiveProcess)
{
string in = input;
string out = output;
// initialize file descriptors to default: same as simulator
int stdin_fd, stdout_fd, stderr_fd;
if (in == "stdin" || in == "cin")
stdin_fd = STDIN_FILENO;
else
stdin_fd = Process::openInputFile(input);
if (out == "stdout" || out == "cout")
stdout_fd = STDOUT_FILENO;
else if (out == "stderr" || out == "cerr")
stdout_fd = STDERR_FILENO;
else
stdout_fd = Process::openOutputFile(out);
stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
return LiveProcess::create(getInstanceName(), system,
stdin_fd, stdout_fd, stderr_fd,
(string)executable == "" ? cmd[0] : executable,
cmd, env);
}
REGISTER_SIM_OBJECT("LiveProcess", LiveProcess)
DEFINE_SIM_OBJECT_CLASS_NAME("LiveProcess", LiveProcess);

12
sim/process.hh
View file

@ -174,19 +174,9 @@ class LiveProcess : public Process
std::vector<std::string> &argv,
std::vector<std::string> &envp);
void startup();
void argsInit(int intSize, int pageSize);
public:
// this function is used to create the LiveProcess object, since
// we can't tell which subclass of LiveProcess to use until we
// open and look at the object file.
static LiveProcess *create(const std::string &nm,
System *_system,
int stdin_fd, int stdout_fd, int stderr_fd,
std::string executable,
std::vector<std::string> &argv,
std::vector<std::string> &envp);
virtual void syscall(ExecContext *xc);
virtual SyscallDesc* getDesc(int callnum) = 0;

15
sim/syscall_emul.cc
View file

@ -33,9 +33,11 @@
#include <iostream>
#include "sim/syscall_emul.hh"
#include "base/chunk_generator.hh"
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "cpu/base.hh"
#include "mem/page_table.hh"
#include "sim/process.hh"
#include "sim/sim_events.hh"
@ -98,11 +100,18 @@ getpagesizeFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
SyscallReturn
obreakFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
{
Addr junk;
// change brk addr to first arg
Addr new_brk = xc->getSyscallArg(0);
if (new_brk != 0)
{
p->brk_point = xc->getSyscallArg(0);
if (new_brk != 0) {
for (ChunkGenerator gen(p->brk_point, new_brk - p->brk_point,
VMPageSize); !gen.done(); gen.next()) {
if (!p->pTable->translate(gen.addr(), junk))
p->pTable->allocate(roundDown(gen.addr(), VMPageSize),
VMPageSize);
}
p->brk_point = new_brk;
}
DPRINTF(SyscallVerbose, "Break Point changed to: %#X\n", p->brk_point);
return p->brk_point;

13
sim/syscall_emul.hh
View file

@ -45,13 +45,15 @@
#endif
#include <sys/uio.h>
#include "base/intmath.hh" // for RoundUp
#include "mem/translating_port.hh"
#include "arch/isa_traits.hh" // for Addr
#include "base/chunk_generator.hh"
#include "base/intmath.hh" // for RoundUp
#include "base/misc.hh"
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "cpu/base.hh"
#include "cpu/exec_context.hh"
#include "mem/translating_port.hh"
#include "mem/page_table.hh"
#include "sim/process.hh"
///
@ -698,10 +700,15 @@ mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
int flags = xc->getSyscallArg(3);
// int fd = p->sim_fd(xc->getSyscallArg(4));
// int offset = xc->getSyscallArg(5);
Addr junk;
if (start == 0) {
// user didn't give an address... pick one from our "mmap region"
start = p->mmap_end;
for (ChunkGenerator gen(start, roundUp(length, TheISA::VMPageSize), TheISA::VMPageSize); !gen.done(); gen.next()) {
if (!p->pTable->translate(gen.addr(), junk))
p->pTable->allocate(roundDown(gen.addr(), TheISA::VMPageSize), TheISA::VMPageSize);
}
p->mmap_end += roundUp(length, TheISA::VMPageSize);
if (p->nxm_start != 0) {
//If we have an nxm space, make sure we haven't colided