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Diffstat (limited to 'src/sim/syscall_emul.hh')
-rw-r--r--src/sim/syscall_emul.hh170
1 files changed, 104 insertions, 66 deletions
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 2024-08-09 22:25:49 +0000