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-rw-r--r--src/sim/process.cc6
-rw-r--r--src/sim/process.hh4
-rw-r--r--src/sim/syscall_emul.cc153
-rw-r--r--src/sim/syscall_emul.hh170
4 files changed, 207 insertions, 126 deletions
diff --git a/src/sim/process.cc b/src/sim/process.cc
index cf0f2b84d..e71d6441f 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -647,6 +647,12 @@ LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
desc->doSyscall(callnum, this, tc);
}
+IntReg
+LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width)
+{
+ return getSyscallArg(tc, i);
+}
+
LiveProcess *
LiveProcess::create(LiveProcessParams * params)
{
diff --git a/src/sim/process.hh b/src/sim/process.hh
index 7922ce073..ab9d64cf3 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -325,7 +325,9 @@ class LiveProcess : public Process
std::string getcwd() const { return cwd; }
virtual void syscall(int64_t callnum, ThreadContext *tc);
- virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int i) = 0;
+
+ virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i) = 0;
+ virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width);
virtual void setSyscallArg(ThreadContext *tc,
int i, TheISA::IntReg val) = 0;
virtual void setSyscallReturn(ThreadContext *tc,
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index 13ad04311..d25f7b9fa 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -52,11 +52,14 @@ using namespace TheISA;
void
SyscallDesc::doSyscall(int callnum, LiveProcess *process, ThreadContext *tc)
{
+ int index = 0;
DPRINTFR(SyscallVerbose,
"%d: %s: syscall %s called w/arguments %d,%d,%d,%d\n",
curTick, tc->getCpuPtr()->name(), name,
- process->getSyscallArg(tc, 0), process->getSyscallArg(tc, 1),
- process->getSyscallArg(tc, 2), process->getSyscallArg(tc, 3));
+ process->getSyscallArg(tc, index),
+ process->getSyscallArg(tc, index),
+ process->getSyscallArg(tc, index),
+ process->getSyscallArg(tc, index));
SyscallReturn retval = (*funcPtr)(this, callnum, process, tc);
@@ -82,8 +85,9 @@ SyscallReturn
ignoreFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
+ int index = 0;
warn("ignoring syscall %s(%d, %d, ...)", desc->name,
- process->getSyscallArg(tc, 0), process->getSyscallArg(tc, 1));
+ process->getSyscallArg(tc, index), process->getSyscallArg(tc, index));
return 0;
}
@@ -95,8 +99,9 @@ exitFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
if (process->system->numRunningContexts() == 1) {
// Last running context... exit simulator
+ int index = 0;
exitSimLoop("target called exit()",
- process->getSyscallArg(tc, 0) & 0xff);
+ process->getSyscallArg(tc, index) & 0xff);
} else {
// other running threads... just halt this one
tc->halt();
@@ -112,8 +117,9 @@ exitGroupFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
// really should just halt all thread contexts belonging to this
// process in case there's another process running...
+ int index = 0;
exitSimLoop("target called exit()",
- process->getSyscallArg(tc, 0) & 0xff);
+ process->getSyscallArg(tc, index) & 0xff);
return 1;
}
@@ -130,7 +136,8 @@ SyscallReturn
brkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
// change brk addr to first arg
- Addr new_brk = p->getSyscallArg(tc, 0);
+ int index = 0;
+ Addr new_brk = p->getSyscallArg(tc, index);
// in Linux at least, brk(0) returns the current break value
// (note that the syscall and the glibc function have different behavior)
@@ -174,7 +181,8 @@ brkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
closeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int target_fd = p->getSyscallArg(tc, 0);
+ int index = 0;
+ int target_fd = p->getSyscallArg(tc, index);
int status = close(p->sim_fd(target_fd));
if (status >= 0)
p->free_fd(target_fd);
@@ -185,9 +193,11 @@ closeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
readFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int fd = p->sim_fd(p->getSyscallArg(tc, 0));
- int nbytes = p->getSyscallArg(tc, 2);
- BufferArg bufArg(p->getSyscallArg(tc, 1), nbytes);
+ int index = 0;
+ int fd = p->sim_fd(p->getSyscallArg(tc, index));
+ Addr bufPtr = p->getSyscallArg(tc, index);
+ int nbytes = p->getSyscallArg(tc, index);
+ BufferArg bufArg(bufPtr, nbytes);
int bytes_read = read(fd, bufArg.bufferPtr(), nbytes);
@@ -200,9 +210,11 @@ readFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
writeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int fd = p->sim_fd(p->getSyscallArg(tc, 0));
- int nbytes = p->getSyscallArg(tc, 2);
- BufferArg bufArg(p->getSyscallArg(tc, 1), nbytes);
+ int index = 0;
+ int fd = p->sim_fd(p->getSyscallArg(tc, index));
+ Addr bufPtr = p->getSyscallArg(tc, index);
+ int nbytes = p->getSyscallArg(tc, index);
+ BufferArg bufArg(bufPtr, nbytes);
bufArg.copyIn(tc->getMemPort());
@@ -217,9 +229,10 @@ writeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
lseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int fd = p->sim_fd(p->getSyscallArg(tc, 0));
- uint64_t offs = p->getSyscallArg(tc, 1);
- int whence = p->getSyscallArg(tc, 2);
+ int index = 0;
+ int fd = p->sim_fd(p->getSyscallArg(tc, index));
+ uint64_t offs = p->getSyscallArg(tc, index);
+ int whence = p->getSyscallArg(tc, index);
off_t result = lseek(fd, offs, whence);
@@ -230,11 +243,12 @@ lseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
_llseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int fd = p->sim_fd(p->getSyscallArg(tc, 0));
- uint64_t offset_high = p->getSyscallArg(tc, 1);
- uint32_t offset_low = p->getSyscallArg(tc, 2);
- Addr result_ptr = p->getSyscallArg(tc, 3);
- int whence = p->getSyscallArg(tc, 4);
+ int index = 0;
+ int fd = p->sim_fd(p->getSyscallArg(tc, index));
+ uint64_t offset_high = p->getSyscallArg(tc, index);
+ uint32_t offset_low = p->getSyscallArg(tc, index);
+ Addr result_ptr = p->getSyscallArg(tc, index);
+ int whence = p->getSyscallArg(tc, index);
uint64_t offset = (offset_high << 32) | offset_low;
@@ -273,8 +287,10 @@ const char *hostname = "m5.eecs.umich.edu";
SyscallReturn
gethostnameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- int name_len = p->getSyscallArg(tc, 1);
- BufferArg name(p->getSyscallArg(tc, 0), name_len);
+ int index = 0;
+ Addr bufPtr = p->getSyscallArg(tc, index);
+ int name_len = p->getSyscallArg(tc, index);
+ BufferArg name(bufPtr, name_len);
strncpy((char *)name.bufferPtr(), hostname, name_len);
@@ -287,8 +303,10 @@ SyscallReturn
getcwdFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
int result = 0;
- unsigned long size = p->getSyscallArg(tc, 1);
- BufferArg buf(p->getSyscallArg(tc, 0), size);
+ int index;
+ Addr bufPtr = p->getSyscallArg(tc, index);
+ unsigned long size = p->getSyscallArg(tc, index);
+ BufferArg buf(bufPtr, size);
// Is current working directory defined?
string cwd = p->getcwd();
@@ -320,14 +338,17 @@ readlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string path;
- if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
path = p->fullPath(path);
- size_t bufsiz = p->getSyscallArg(tc, 2);
- BufferArg buf(p->getSyscallArg(tc, 1), bufsiz);
+ Addr bufPtr = p->getSyscallArg(tc, index);
+ size_t bufsiz = p->getSyscallArg(tc, index);
+
+ BufferArg buf(bufPtr, bufsiz);
int result = readlink(path.c_str(), (char *)buf.bufferPtr(), bufsiz);
@@ -341,7 +362,8 @@ unlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string path;
- if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
@@ -357,13 +379,14 @@ mkdirFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string path;
- if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index)))
return (TheISA::IntReg)-EFAULT;
// Adjust path for current working directory
path = p->fullPath(path);
- mode_t mode = p->getSyscallArg(tc, 1);
+ mode_t mode = p->getSyscallArg(tc, index);
int result = mkdir(path.c_str(), mode);
return (result == -1) ? -errno : result;
@@ -374,12 +397,13 @@ renameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string old_name;
- if (!tc->getMemPort()->tryReadString(old_name, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(old_name, p->getSyscallArg(tc, index)))
return -EFAULT;
string new_name;
- if (!tc->getMemPort()->tryReadString(new_name, p->getSyscallArg(tc, 1)))
+ if (!tc->getMemPort()->tryReadString(new_name, p->getSyscallArg(tc, index)))
return -EFAULT;
// Adjust path for current working directory
@@ -395,10 +419,11 @@ truncateFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string path;
- if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index)))
return -EFAULT;
- off_t length = p->getSyscallArg(tc, 1);
+ off_t length = p->getSyscallArg(tc, index);
// Adjust path for current working directory
path = p->fullPath(path);
@@ -411,12 +436,13 @@ SyscallReturn
ftruncateFunc(SyscallDesc *desc, int num,
LiveProcess *process, ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
if (fd < 0)
return -EBADF;
- off_t length = process->getSyscallArg(tc, 1);
+ off_t length = process->getSyscallArg(tc, index);
int result = ftruncate(fd, length);
return (result == -1) ? -errno : result;
@@ -426,13 +452,13 @@ SyscallReturn
ftruncate64Func(SyscallDesc *desc, int num,
LiveProcess *process, ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
if (fd < 0)
return -EBADF;
- // I'm not sure why, but the length argument is in arg reg 3
- loff_t length = process->getSyscallArg(tc, 3);
+ loff_t length = process->getSyscallArg(tc, index, 64);
int result = ftruncate64(fd, length);
return (result == -1) ? -errno : result;
@@ -454,13 +480,14 @@ chownFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
string path;
- if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index)))
return -EFAULT;
/* XXX endianess */
- uint32_t owner = p->getSyscallArg(tc, 1);
+ uint32_t owner = p->getSyscallArg(tc, index);
uid_t hostOwner = owner;
- uint32_t group = p->getSyscallArg(tc, 2);
+ uint32_t group = p->getSyscallArg(tc, index);
gid_t hostGroup = group;
// Adjust path for current working directory
@@ -473,15 +500,16 @@ chownFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
SyscallReturn
fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
if (fd < 0)
return -EBADF;
/* XXX endianess */
- uint32_t owner = process->getSyscallArg(tc, 1);
+ uint32_t owner = process->getSyscallArg(tc, index);
uid_t hostOwner = owner;
- uint32_t group = process->getSyscallArg(tc, 2);
+ uint32_t group = process->getSyscallArg(tc, index);
gid_t hostGroup = group;
int result = fchown(fd, hostOwner, hostGroup);
@@ -492,11 +520,12 @@ fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
SyscallReturn
dupFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
if (fd < 0)
return -EBADF;
- Process::FdMap *fdo = process->sim_fd_obj(process->getSyscallArg(tc, 0));
+ Process::FdMap *fdo = process->sim_fd_obj(fd);
int result = dup(fd);
return (result == -1) ? -errno :
@@ -508,12 +537,13 @@ SyscallReturn
fcntlFunc(SyscallDesc *desc, int num, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
if (fd < 0 || process->sim_fd(fd) < 0)
return -EBADF;
- int cmd = process->getSyscallArg(tc, 1);
+ int cmd = process->getSyscallArg(tc, index);
switch (cmd) {
case 0: // F_DUPFD
// if we really wanted to support this, we'd need to do it
@@ -550,12 +580,13 @@ SyscallReturn
fcntl64Func(SyscallDesc *desc, int num, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
if (fd < 0 || process->sim_fd(fd) < 0)
return -EBADF;
- int cmd = process->getSyscallArg(tc, 1);
+ int cmd = process->getSyscallArg(tc, index);
switch (cmd) {
case 33: //F_GETLK64
warn("fcntl64(%d, F_GETLK64) not supported, error returned\n", fd);
@@ -639,7 +670,8 @@ setuidFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
// can't fathom why a benchmark would call this.
- warn("Ignoring call to setuid(%d)\n", process->getSyscallArg(tc, 0));
+ int index = 0;
+ warn("Ignoring call to setuid(%d)\n", process->getSyscallArg(tc, index));
return 0;
}
@@ -695,17 +727,20 @@ SyscallReturn
cloneFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
+ int index = 0;
+ IntReg flags = process->getSyscallArg(tc, index);
+ IntReg newStack = process->getSyscallArg(tc, index);
+
DPRINTF(SyscallVerbose, "In sys_clone:\n");
- DPRINTF(SyscallVerbose, " Flags=%llx\n", process->getSyscallArg(tc, 0));
- DPRINTF(SyscallVerbose, " Child stack=%llx\n",
- process->getSyscallArg(tc, 1));
+ DPRINTF(SyscallVerbose, " Flags=%llx\n", flags);
+ DPRINTF(SyscallVerbose, " Child stack=%llx\n", newStack);
- if (process->getSyscallArg(tc, 0) != 0x10f00) {
+ if (flags != 0x10f00) {
warn("This sys_clone implementation assumes flags "
"CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD "
"(0x10f00), and may not work correctly with given flags "
- "0x%llx\n", process->getSyscallArg(tc, 0));
+ "0x%llx\n", flags);
}
ThreadContext* ctc; // child thread context
@@ -738,7 +773,7 @@ cloneFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
#endif
// Set up stack register
- ctc->setIntReg(TheISA::StackPointerReg, process->getSyscallArg(tc, 1));
+ ctc->setIntReg(TheISA::StackPointerReg, newStack);
// Set up syscall return values in parent and child
ctc->setIntReg(ReturnValueReg, 0); // return value, child
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 0c51c7dec..8fe53e266 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -481,8 +481,9 @@ SyscallReturn
ioctlFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
- unsigned req = process->getSyscallArg(tc, 1);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
+ unsigned req = process->getSyscallArg(tc, index);
DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", fd, req);
@@ -517,7 +518,9 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index)))
return -EFAULT;
if (path == "/dev/sysdev0") {
@@ -527,8 +530,8 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
return -ENOENT;
}
- int tgtFlags = process->getSyscallArg(tc, 1);
- int mode = process->getSyscallArg(tc, 2);
+ int tgtFlags = process->getSyscallArg(tc, index);
+ int mode = process->getSyscallArg(tc, index);
int hostFlags = 0;
// translate open flags
@@ -573,14 +576,16 @@ sysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- TypedBufferArg<typename OS::tgt_sysinfo> sysinfo(process->getSyscallArg(tc, 0));
+ int index = 0;
+ TypedBufferArg<typename OS::tgt_sysinfo>
+ sysinfo(process->getSyscallArg(tc, index));
- sysinfo->uptime=seconds_since_epoch;
- sysinfo->totalram=process->system->memSize();
+ sysinfo->uptime=seconds_since_epoch;
+ sysinfo->totalram=process->system->memSize();
- sysinfo.copyOut(tc->getMemPort());
+ sysinfo.copyOut(tc->getMemPort());
- return 0;
+ return 0;
}
/// Target chmod() handler.
@@ -591,10 +596,13 @@ chmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
return -EFAULT;
+ }
- uint32_t mode = process->getSyscallArg(tc, 1);
+ uint32_t mode = process->getSyscallArg(tc, index);
mode_t hostMode = 0;
// XXX translate mode flags via OS::something???
@@ -618,13 +626,14 @@ SyscallReturn
fchmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
if (fd < 0 || process->sim_fd(fd) < 0) {
// doesn't map to any simulator fd: not a valid target fd
return -EBADF;
}
- uint32_t mode = process->getSyscallArg(tc, 1);
+ uint32_t mode = process->getSyscallArg(tc, index);
mode_t hostMode = 0;
// XXX translate mode flags via OS::someting???
@@ -643,10 +652,11 @@ template <class OS>
SyscallReturn
mremapFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc)
{
- Addr start = process->getSyscallArg(tc, 0);
- uint64_t old_length = process->getSyscallArg(tc, 1);
- uint64_t new_length = process->getSyscallArg(tc, 2);
- uint64_t flags = process->getSyscallArg(tc, 3);
+ int index = 0;
+ Addr start = process->getSyscallArg(tc, index);
+ uint64_t old_length = process->getSyscallArg(tc, index);
+ uint64_t new_length = process->getSyscallArg(tc, index);
+ uint64_t flags = process->getSyscallArg(tc, index);
if ((start % TheISA::VMPageSize != 0) ||
(new_length % TheISA::VMPageSize != 0)) {
@@ -692,8 +702,12 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
- return -EFAULT;
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
+ return -EFAULT;
+ }
+ Addr bufPtr = process->getSyscallArg(tc, index);
// Adjust path for current working directory
path = process->fullPath(path);
@@ -704,8 +718,7 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf);
+ copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -719,8 +732,11 @@ stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index)))
return -EFAULT;
+ Addr bufPtr = process->getSyscallArg(tc, index);
// Adjust path for current working directory
path = process->fullPath(path);
@@ -736,8 +752,7 @@ stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf);
+ copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -749,7 +764,9 @@ SyscallReturn
fstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
+ Addr bufPtr = process->getSyscallArg(tc, index);
if (fd < 0 || process->sim_fd(fd) < 0) {
// doesn't map to any simulator fd: not a valid target fd
return -EBADF;
@@ -766,8 +783,7 @@ fstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf, (fd == 1));
+ copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1));
return 0;
}
@@ -781,8 +797,12 @@ lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
- return -EFAULT;
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
+ return -EFAULT;
+ }
+ Addr bufPtr = process->getSyscallArg(tc, index);
// Adjust path for current working directory
path = process->fullPath(path);
@@ -793,8 +813,7 @@ lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf);
+ copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -807,8 +826,12 @@ lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
- return -EFAULT;
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
+ return -EFAULT;
+ }
+ Addr bufPtr = process->getSyscallArg(tc, index);
// Adjust path for current working directory
path = process->fullPath(path);
@@ -824,8 +847,7 @@ lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf);
+ copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -836,7 +858,9 @@ SyscallReturn
fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
+ Addr bufPtr = process->getSyscallArg(tc, index);
DPRINTF(SyscallVerbose, "fstat(%d, ...)\n", fd);
@@ -849,8 +873,7 @@ fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf, (fd == 1));
+ copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1));
return 0;
}
@@ -864,8 +887,12 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
- return -EFAULT;
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
+ return -EFAULT;
+ }
+ Addr bufPtr = process->getSyscallArg(tc, index);
// Adjust path for current working directory
path = process->fullPath(path);
@@ -876,8 +903,7 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- OS::copyOutStatfsBuf(tc->getMemPort(),
- (Addr)(process->getSyscallArg(tc, 1)), &hostBuf);
+ OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -889,7 +915,9 @@ SyscallReturn
fstatfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->sim_fd(process->getSyscallArg(tc, 0));
+ int index = 0;
+ int fd = process->sim_fd(process->getSyscallArg(tc, index));
+ Addr bufPtr = process->getSyscallArg(tc, index);
if (fd < 0)
return -EBADF;
@@ -900,8 +928,7 @@ fstatfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
if (result < 0)
return -errno;
- OS::copyOutStatfsBuf(tc->getMemPort(), process->getSyscallArg(tc, 1),
- &hostBuf);
+ OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf);
return 0;
}
@@ -913,15 +940,16 @@ SyscallReturn
writevFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int fd = process->getSyscallArg(tc, 0);
+ int index = 0;
+ int fd = process->getSyscallArg(tc, index);
if (fd < 0 || process->sim_fd(fd) < 0) {
// doesn't map to any simulator fd: not a valid target fd
return -EBADF;
}
TranslatingPort *p = tc->getMemPort();
- uint64_t tiov_base = process->getSyscallArg(tc, 1);
- size_t count = process->getSyscallArg(tc, 2);
+ uint64_t tiov_base = process->getSyscallArg(tc, index);
+ size_t count = process->getSyscallArg(tc, index);
struct iovec hiov[count];
for (size_t i = 0; i < count; ++i) {
typename OS::tgt_iovec tiov;
@@ -962,12 +990,13 @@ template <class OS>
SyscallReturn
mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
{
- Addr start = p->getSyscallArg(tc, 0);
- uint64_t length = p->getSyscallArg(tc, 1);
- // int prot = p->getSyscallArg(tc, 2);
- int flags = p->getSyscallArg(tc, 3);
- // int fd = p->sim_fd(p->getSyscallArg(tc, 4));
- // int offset = p->getSyscallArg(tc, 5);
+ int index = 0;
+ Addr start = p->getSyscallArg(tc, index);
+ uint64_t length = p->getSyscallArg(tc, index);
+ index++; // int prot = p->getSyscallArg(tc, index);
+ int flags = p->getSyscallArg(tc, index);
+ int fd = p->sim_fd(p->getSyscallArg(tc, index));
+ // int offset = p->getSyscallArg(tc, index);
if ((start % TheISA::VMPageSize) != 0 ||
@@ -995,7 +1024,7 @@ mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
if (!(flags & OS::TGT_MAP_ANONYMOUS)) {
warn("allowing mmap of file @ fd %d. "
- "This will break if not /dev/zero.", p->getSyscallArg(tc, 4));
+ "This will break if not /dev/zero.", fd);
}
return start;
@@ -1007,8 +1036,9 @@ SyscallReturn
getrlimitFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- unsigned resource = process->getSyscallArg(tc, 0);
- TypedBufferArg<typename OS::rlimit> rlp(process->getSyscallArg(tc, 1));
+ int index = 0;
+ unsigned resource = process->getSyscallArg(tc, index);
+ TypedBufferArg<typename OS::rlimit> rlp(process->getSyscallArg(tc, index));
switch (resource) {
case OS::TGT_RLIMIT_STACK:
@@ -1042,7 +1072,8 @@ SyscallReturn
gettimeofdayFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, 0));
+ int index = 0;
+ TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, index));
getElapsedTime(tp->tv_sec, tp->tv_usec);
tp->tv_sec += seconds_since_epoch;
@@ -1063,10 +1094,14 @@ utimesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
std::string path;
- if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0)))
- return -EFAULT;
+ int index = 0;
+ if (!tc->getMemPort()->tryReadString(path,
+ process->getSyscallArg(tc, index))) {
+ return -EFAULT;
+ }
- TypedBufferArg<typename OS::timeval [2]> tp(process->getSyscallArg(tc, 1));
+ TypedBufferArg<typename OS::timeval [2]>
+ tp(process->getSyscallArg(tc, index));
tp.copyIn(tc->getMemPort());
struct timeval hostTimeval[2];
@@ -1092,8 +1127,9 @@ SyscallReturn
getrusageFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- int who = process->getSyscallArg(tc, 0); // THREAD, SELF, or CHILDREN
- TypedBufferArg<typename OS::rusage> rup(process->getSyscallArg(tc, 1));
+ int index = 0;
+ int who = process->getSyscallArg(tc, index); // THREAD, SELF, or CHILDREN
+ TypedBufferArg<typename OS::rusage> rup(process->getSyscallArg(tc, index));
rup->ru_utime.tv_sec = 0;
rup->ru_utime.tv_usec = 0;
@@ -1143,7 +1179,8 @@ SyscallReturn
timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, 0));
+ int index = 0;
+ TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, index));
// Fill in the time structure (in clocks)
int64_t clocks = curTick * OS::_SC_CLK_TCK / Clock::Int::s;
@@ -1172,7 +1209,8 @@ timeFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
getElapsedTime(sec, usec);
sec += seconds_since_epoch;
- Addr taddr = (Addr)process->getSyscallArg(tc, 0);
+ int index = 0;
+ Addr taddr = (Addr)process->getSyscallArg(tc, index);
if(taddr != 0) {
typename OS::time_t t = sec;
t = htog(t);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-27 10:46:16 +0000