diff options
Diffstat (limited to 'src/sim/syscall_emul.hh')
| -rw-r--r-- | src/sim/syscall_emul.hh | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index b21e299e9..874eaf6a4 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -54,7 +54,7 @@ #include "base/misc.hh" #include "base/trace.hh" #include "cpu/base.hh" -#include "cpu/exec_context.hh" +#include "cpu/thread_context.hh" #include "mem/translating_port.hh" #include "mem/page_table.hh" #include "sim/process.hh" @@ -68,7 +68,7 @@ class SyscallDesc { /// Typedef for target syscall handler functions. typedef SyscallReturn (*FuncPtr)(SyscallDesc *, int num, - Process *, ExecContext *); + Process *, ThreadContext *); const char *name; //!< Syscall name (e.g., "open"). FuncPtr funcPtr; //!< Pointer to emulation function. @@ -78,7 +78,7 @@ class SyscallDesc { enum Flags { /// Don't set return regs according to funcPtr return value. /// Used for syscalls with non-standard return conventions - /// that explicitly set the ExecContext regs (e.g., + /// that explicitly set the ThreadContext regs (e.g., /// sigreturn). SuppressReturnValue = 1 }; @@ -90,7 +90,7 @@ class SyscallDesc { } /// Emulate the syscall. Public interface for calling through funcPtr. - void doSyscall(int callnum, Process *proc, ExecContext *xc); + void doSyscall(int callnum, Process *proc, ThreadContext *tc); }; @@ -172,129 +172,129 @@ class TypedBufferArg : public BaseBufferArg /// Handler for unimplemented syscalls that we haven't thought about. SyscallReturn unimplementedFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Handler for unimplemented syscalls that we never intend to /// implement (signal handling, etc.) and should not affect the correct /// behavior of the program. Print a warning only if the appropriate /// trace flag is enabled. Return success to the target program. SyscallReturn ignoreFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target exit() handler: terminate simulation. SyscallReturn exitFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getpagesize() handler. SyscallReturn getpagesizeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target obreak() handler: set brk address. SyscallReturn obreakFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target close() handler. SyscallReturn closeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target read() handler. SyscallReturn readFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target write() handler. SyscallReturn writeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target lseek() handler. SyscallReturn lseekFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target munmap() handler. SyscallReturn munmapFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target gethostname() handler. SyscallReturn gethostnameFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target unlink() handler. SyscallReturn unlinkFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target rename() handler. SyscallReturn renameFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target truncate() handler. SyscallReturn truncateFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target ftruncate() handler. SyscallReturn ftruncateFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target chown() handler. SyscallReturn chownFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target fchown() handler. SyscallReturn fchownFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target fnctl() handler. SyscallReturn fcntlFunc(SyscallDesc *desc, int num, - Process *process, ExecContext *xc); + Process *process, ThreadContext *tc); /// Target setuid() handler. SyscallReturn setuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getpid() handler. SyscallReturn getpidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getuid() handler. SyscallReturn getuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getgid() handler. SyscallReturn getgidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getppid() handler. SyscallReturn getppidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target geteuid() handler. SyscallReturn geteuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getegid() handler. SyscallReturn getegidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Pseudo Funcs - These functions use a different return convension, /// returning a second value in a register other than the normal return register SyscallReturn pipePseudoFunc(SyscallDesc *desc, int num, - Process *process, ExecContext *xc); + Process *process, ThreadContext *tc); /// Target getpidPseudo() handler. SyscallReturn getpidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getuidPseudo() handler. SyscallReturn getuidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// Target getgidPseudo() handler. SyscallReturn getgidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); + Process *p, ThreadContext *tc); /// This struct is used to build an target-OS-dependent table that @@ -338,10 +338,10 @@ getElapsedTime(T1 &sec, T2 &usec) template <class OS> SyscallReturn ioctlFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = xc->getSyscallArg(0); - unsigned req = xc->getSyscallArg(1); + int fd = tc->getSyscallArg(0); + unsigned req = tc->getSyscallArg(1); DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", fd, req); @@ -363,7 +363,7 @@ ioctlFunc(SyscallDesc *desc, int callnum, Process *process, default: fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ 0x%llx\n", - fd, req, xc->readPC()); + fd, req, tc->readPC()); } } @@ -371,11 +371,11 @@ ioctlFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn openFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; if (path == "/dev/sysdev0") { @@ -385,8 +385,8 @@ openFunc(SyscallDesc *desc, int callnum, Process *process, return -ENOENT; } - int tgtFlags = xc->getSyscallArg(1); - int mode = xc->getSyscallArg(2); + int tgtFlags = tc->getSyscallArg(1); + int mode = tc->getSyscallArg(2); int hostFlags = 0; // translate open flags @@ -418,14 +418,14 @@ openFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn chmodFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; - uint32_t mode = xc->getSyscallArg(1); + uint32_t mode = tc->getSyscallArg(1); mode_t hostMode = 0; // XXX translate mode flags via OS::something??? @@ -444,15 +444,15 @@ chmodFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn fchmodFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = xc->getSyscallArg(0); + int fd = tc->getSyscallArg(0); 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 = xc->getSyscallArg(1); + uint32_t mode = tc->getSyscallArg(1); mode_t hostMode = 0; // XXX translate mode flags via OS::someting??? @@ -471,11 +471,11 @@ fchmodFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn statFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; struct stat hostBuf; @@ -484,7 +484,7 @@ statFunc(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf); + OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf); return 0; } @@ -494,9 +494,9 @@ statFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn fstat64Func(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = xc->getSyscallArg(0); + int fd = tc->getSyscallArg(0); if (fd < 0 || process->sim_fd(fd) < 0) { // doesn't map to any simulator fd: not a valid target fd return -EBADF; @@ -513,7 +513,7 @@ fstat64Func(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStat64Buf(xc->getMemPort(), fd, xc->getSyscallArg(1), &hostBuf); + OS::copyOutStat64Buf(tc->getMemPort(), fd, tc->getSyscallArg(1), &hostBuf); return 0; } @@ -523,11 +523,11 @@ fstat64Func(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn lstatFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; struct stat hostBuf; @@ -536,7 +536,7 @@ lstatFunc(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf); + OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf); return 0; } @@ -545,11 +545,11 @@ lstatFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn lstat64Func(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; #if BSD_HOST @@ -563,7 +563,7 @@ lstat64Func(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStat64Buf(xc->getMemPort(), -1, xc->getSyscallArg(1), &hostBuf); + OS::copyOutStat64Buf(tc->getMemPort(), -1, tc->getSyscallArg(1), &hostBuf); return 0; } @@ -572,9 +572,9 @@ lstat64Func(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn fstatFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = process->sim_fd(xc->getSyscallArg(0)); + int fd = process->sim_fd(tc->getSyscallArg(0)); DPRINTF(SyscallVerbose, "fstat(%d, ...)\n", fd); @@ -587,7 +587,7 @@ fstatFunc(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf); + OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf); return 0; } @@ -597,11 +597,11 @@ fstatFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn statfsFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; struct statfs hostBuf; @@ -610,7 +610,7 @@ statfsFunc(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf); + OS::copyOutStatfsBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf); return 0; } @@ -620,9 +620,9 @@ statfsFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn fstatfsFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = process->sim_fd(xc->getSyscallArg(0)); + int fd = process->sim_fd(tc->getSyscallArg(0)); if (fd < 0) return -EBADF; @@ -633,7 +633,7 @@ fstatfsFunc(SyscallDesc *desc, int callnum, Process *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf); + OS::copyOutStatfsBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf); return 0; } @@ -643,17 +643,17 @@ fstatfsFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn writevFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int fd = xc->getSyscallArg(0); + int fd = tc->getSyscallArg(0); if (fd < 0 || process->sim_fd(fd) < 0) { // doesn't map to any simulator fd: not a valid target fd return -EBADF; } - TranslatingPort *p = xc->getMemPort(); - uint64_t tiov_base = xc->getSyscallArg(1); - size_t count = xc->getSyscallArg(2); + TranslatingPort *p = tc->getMemPort(); + uint64_t tiov_base = tc->getSyscallArg(1); + size_t count = tc->getSyscallArg(2); struct iovec hiov[count]; for (int i = 0; i < count; ++i) { @@ -695,14 +695,14 @@ writevFunc(SyscallDesc *desc, int callnum, Process *process, /// anything else. template <class OS> SyscallReturn -mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc) +mmapFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc) { - Addr start = xc->getSyscallArg(0); - uint64_t length = xc->getSyscallArg(1); - // int prot = xc->getSyscallArg(2); - int flags = xc->getSyscallArg(3); - // int fd = p->sim_fd(xc->getSyscallArg(4)); - // int offset = xc->getSyscallArg(5); + Addr start = tc->getSyscallArg(0); + uint64_t length = tc->getSyscallArg(1); + // int prot = tc->getSyscallArg(2); + int flags = tc->getSyscallArg(3); + // int fd = p->sim_fd(tc->getSyscallArg(4)); + // int offset = tc->getSyscallArg(5); if ((start % TheISA::VMPageSize) != 0 || (length % TheISA::VMPageSize) != 0) { @@ -724,7 +724,7 @@ mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc) if (!(flags & OS::TGT_MAP_ANONYMOUS)) { warn("allowing mmap of file @ fd %d. " - "This will break if not /dev/zero.", xc->getSyscallArg(4)); + "This will break if not /dev/zero.", tc->getSyscallArg(4)); } return start; @@ -734,10 +734,10 @@ mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc) template <class OS> SyscallReturn getrlimitFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - unsigned resource = xc->getSyscallArg(0); - TypedBufferArg<typename OS::rlimit> rlp(xc->getSyscallArg(1)); + unsigned resource = tc->getSyscallArg(0); + TypedBufferArg<typename OS::rlimit> rlp(tc->getSyscallArg(1)); switch (resource) { case OS::TGT_RLIMIT_STACK: @@ -754,7 +754,7 @@ getrlimitFunc(SyscallDesc *desc, int callnum, Process *process, break; } - rlp.copyOut(xc->getMemPort()); + rlp.copyOut(tc->getMemPort()); return 0; } @@ -762,16 +762,16 @@ getrlimitFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn gettimeofdayFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - TypedBufferArg<typename OS::timeval> tp(xc->getSyscallArg(0)); + TypedBufferArg<typename OS::timeval> tp(tc->getSyscallArg(0)); getElapsedTime(tp->tv_sec, tp->tv_usec); tp->tv_sec += seconds_since_epoch; tp->tv_sec = htog(tp->tv_sec); tp->tv_usec = htog(tp->tv_usec); - tp.copyOut(xc->getMemPort()); + tp.copyOut(tc->getMemPort()); return 0; } @@ -781,15 +781,15 @@ gettimeofdayFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn utimesFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { std::string path; - if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0))) + if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0))) return -EFAULT; - TypedBufferArg<typename OS::timeval [2]> tp(xc->getSyscallArg(1)); - tp.copyIn(xc->getMemPort()); + TypedBufferArg<typename OS::timeval [2]> tp(tc->getSyscallArg(1)); + tp.copyIn(tc->getMemPort()); struct timeval hostTimeval[2]; for (int i = 0; i < 2; ++i) @@ -808,10 +808,10 @@ utimesFunc(SyscallDesc *desc, int callnum, Process *process, template <class OS> SyscallReturn getrusageFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) + ThreadContext *tc) { - int who = xc->getSyscallArg(0); // THREAD, SELF, or CHILDREN - TypedBufferArg<typename OS::rusage> rup(xc->getSyscallArg(1)); + int who = tc->getSyscallArg(0); // THREAD, SELF, or CHILDREN + TypedBufferArg<typename OS::rusage> rup(tc->getSyscallArg(1)); if (who != OS::TGT_RUSAGE_SELF) { // don't really handle THREAD or CHILDREN, but just warn and @@ -841,7 +841,7 @@ getrusageFunc(SyscallDesc *desc, int callnum, Process *process, rup->ru_nvcsw = 0; rup->ru_nivcsw = 0; - rup.copyOut(xc->getMemPort()); + rup.copyOut(tc->getMemPort()); return 0; } |