syscall_emul.hh (8795:0909f8ed7aa0) syscall_emul.hh (8799:dac1e33e07b0)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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57#include "base/misc.hh"
58#include "base/trace.hh"
59#include "base/types.hh"
60#include "config/the_isa.hh"
61#include "cpu/base.hh"
62#include "cpu/thread_context.hh"
63#include "debug/SyscallVerbose.hh"
64#include "mem/page_table.hh"
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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57#include "base/misc.hh"
58#include "base/trace.hh"
59#include "base/types.hh"
60#include "config/the_isa.hh"
61#include "cpu/base.hh"
62#include "cpu/thread_context.hh"
63#include "debug/SyscallVerbose.hh"
64#include "mem/page_table.hh"
65#include "mem/translating_port.hh"
65#include "mem/se_translating_port_proxy.hh"
66#include "sim/byteswap.hh"
67#include "sim/process.hh"
68#include "sim/syscallreturn.hh"
69#include "sim/system.hh"
70
71///
72/// System call descriptor.
73///

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116 memset(bufPtr, 0, size);
117 }
118
119 virtual ~BaseBufferArg() { delete [] bufPtr; }
120
121 //
122 // copy data into simulator space (read from target memory)
123 //
66#include "sim/byteswap.hh"
67#include "sim/process.hh"
68#include "sim/syscallreturn.hh"
69#include "sim/system.hh"
70
71///
72/// System call descriptor.
73///

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116 memset(bufPtr, 0, size);
117 }
118
119 virtual ~BaseBufferArg() { delete [] bufPtr; }
120
121 //
122 // copy data into simulator space (read from target memory)
123 //
124 virtual bool copyIn(TranslatingPort *memport)
124 virtual bool copyIn(SETranslatingPortProxy* memproxy)
125 {
125 {
126 memport->readBlob(addr, bufPtr, size);
126 memproxy->readBlob(addr, bufPtr, size);
127 return true; // no EFAULT detection for now
128 }
129
130 //
131 // copy data out of simulator space (write to target memory)
132 //
127 return true; // no EFAULT detection for now
128 }
129
130 //
131 // copy data out of simulator space (write to target memory)
132 //
133 virtual bool copyOut(TranslatingPort *memport)
133 virtual bool copyOut(SETranslatingPortProxy* memproxy)
134 {
134 {
135 memport->writeBlob(addr, bufPtr, size);
135 memproxy->writeBlob(addr, bufPtr, size);
136 return true; // no EFAULT detection for now
137 }
138
139 protected:
140 Addr addr;
141 int size;
142 uint8_t *bufPtr;
143};

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459 tgt->st_mtime_nsec = 0;
460 tgt->st_ctime_nsec = 0;
461#endif
462}
463
464//Here are a couple convenience functions
465template<class OS>
466static void
136 return true; // no EFAULT detection for now
137 }
138
139 protected:
140 Addr addr;
141 int size;
142 uint8_t *bufPtr;
143};

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459 tgt->st_mtime_nsec = 0;
460 tgt->st_ctime_nsec = 0;
461#endif
462}
463
464//Here are a couple convenience functions
465template<class OS>
466static void
467copyOutStatBuf(TranslatingPort * mem, Addr addr,
467copyOutStatBuf(SETranslatingPortProxy* mem, Addr addr,
468 hst_stat *host, bool fakeTTY = false)
469{
470 typedef TypedBufferArg<typename OS::tgt_stat> tgt_stat_buf;
471 tgt_stat_buf tgt(addr);
472 convertStatBuf<tgt_stat_buf, hst_stat>(tgt, host, fakeTTY);
473 tgt.copyOut(mem);
474}
475
476template<class OS>
477static void
468 hst_stat *host, bool fakeTTY = false)
469{
470 typedef TypedBufferArg<typename OS::tgt_stat> tgt_stat_buf;
471 tgt_stat_buf tgt(addr);
472 convertStatBuf<tgt_stat_buf, hst_stat>(tgt, host, fakeTTY);
473 tgt.copyOut(mem);
474}
475
476template<class OS>
477static void
478copyOutStat64Buf(TranslatingPort * mem, Addr addr,
478copyOutStat64Buf(SETranslatingPortProxy* mem, Addr addr,
479 hst_stat64 *host, bool fakeTTY = false)
480{
481 typedef TypedBufferArg<typename OS::tgt_stat64> tgt_stat_buf;
482 tgt_stat_buf tgt(addr);
483 convertStat64Buf<tgt_stat_buf, hst_stat64>(tgt, host, fakeTTY);
484 tgt.copyOut(mem);
485}
486

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525template <class OS>
526SyscallReturn
527openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
528 ThreadContext *tc)
529{
530 std::string path;
531
532 int index = 0;
479 hst_stat64 *host, bool fakeTTY = false)
480{
481 typedef TypedBufferArg<typename OS::tgt_stat64> tgt_stat_buf;
482 tgt_stat_buf tgt(addr);
483 convertStat64Buf<tgt_stat_buf, hst_stat64>(tgt, host, fakeTTY);
484 tgt.copyOut(mem);
485}
486

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525template <class OS>
526SyscallReturn
527openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
528 ThreadContext *tc)
529{
530 std::string path;
531
532 int index = 0;
533 if (!tc->getMemPort()->tryReadString(path,
533 if (!tc->getMemProxy()->tryReadString(path,
534 process->getSyscallArg(tc, index)))
535 return -EFAULT;
536
537 if (path == "/dev/sysdev0") {
538 // This is a memory-mapped high-resolution timer device on Alpha.
539 // We don't support it, so just punt.
540 warn("Ignoring open(%s, ...)\n", path);
541 return -ENOENT;

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589
590 int index = 0;
591 TypedBufferArg<typename OS::tgt_sysinfo>
592 sysinfo(process->getSyscallArg(tc, index));
593
594 sysinfo->uptime=seconds_since_epoch;
595 sysinfo->totalram=process->system->memSize();
596
534 process->getSyscallArg(tc, index)))
535 return -EFAULT;
536
537 if (path == "/dev/sysdev0") {
538 // This is a memory-mapped high-resolution timer device on Alpha.
539 // We don't support it, so just punt.
540 warn("Ignoring open(%s, ...)\n", path);
541 return -ENOENT;

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589
590 int index = 0;
591 TypedBufferArg<typename OS::tgt_sysinfo>
592 sysinfo(process->getSyscallArg(tc, index));
593
594 sysinfo->uptime=seconds_since_epoch;
595 sysinfo->totalram=process->system->memSize();
596
597 sysinfo.copyOut(tc->getMemPort());
597 sysinfo.copyOut(tc->getMemProxy());
598
599 return 0;
600}
601
602/// Target chmod() handler.
603template <class OS>
604SyscallReturn
605chmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
606 ThreadContext *tc)
607{
608 std::string path;
609
610 int index = 0;
598
599 return 0;
600}
601
602/// Target chmod() handler.
603template <class OS>
604SyscallReturn
605chmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
606 ThreadContext *tc)
607{
608 std::string path;
609
610 int index = 0;
611 if (!tc->getMemPort()->tryReadString(path,
611 if (!tc->getMemProxy()->tryReadString(path,
612 process->getSyscallArg(tc, index))) {
613 return -EFAULT;
614 }
615
616 uint32_t mode = process->getSyscallArg(tc, index);
617 mode_t hostMode = 0;
618
619 // XXX translate mode flags via OS::something???

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709template <class OS>
710SyscallReturn
711statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
712 ThreadContext *tc)
713{
714 std::string path;
715
716 int index = 0;
612 process->getSyscallArg(tc, index))) {
613 return -EFAULT;
614 }
615
616 uint32_t mode = process->getSyscallArg(tc, index);
617 mode_t hostMode = 0;
618
619 // XXX translate mode flags via OS::something???

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709template <class OS>
710SyscallReturn
711statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
712 ThreadContext *tc)
713{
714 std::string path;
715
716 int index = 0;
717 if (!tc->getMemPort()->tryReadString(path,
717 if (!tc->getMemProxy()->tryReadString(path,
718 process->getSyscallArg(tc, index))) {
719 return -EFAULT;
720 }
721 Addr bufPtr = process->getSyscallArg(tc, index);
722
723 // Adjust path for current working directory
724 path = process->fullPath(path);
725
726 struct stat hostBuf;
727 int result = stat(path.c_str(), &hostBuf);
728
729 if (result < 0)
730 return -errno;
731
718 process->getSyscallArg(tc, index))) {
719 return -EFAULT;
720 }
721 Addr bufPtr = process->getSyscallArg(tc, index);
722
723 // Adjust path for current working directory
724 path = process->fullPath(path);
725
726 struct stat hostBuf;
727 int result = stat(path.c_str(), &hostBuf);
728
729 if (result < 0)
730 return -errno;
731
732 copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
732 copyOutStatBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
733
734 return 0;
735}
736
737
738/// Target stat64() handler.
739template <class OS>
740SyscallReturn
741stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
742 ThreadContext *tc)
743{
744 std::string path;
745
746 int index = 0;
733
734 return 0;
735}
736
737
738/// Target stat64() handler.
739template <class OS>
740SyscallReturn
741stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
742 ThreadContext *tc)
743{
744 std::string path;
745
746 int index = 0;
747 if (!tc->getMemPort()->tryReadString(path,
747 if (!tc->getMemProxy()->tryReadString(path,
748 process->getSyscallArg(tc, index)))
749 return -EFAULT;
750 Addr bufPtr = process->getSyscallArg(tc, index);
751
752 // Adjust path for current working directory
753 path = process->fullPath(path);
754
755#if NO_STAT64
756 struct stat hostBuf;
757 int result = stat(path.c_str(), &hostBuf);
758#else
759 struct stat64 hostBuf;
760 int result = stat64(path.c_str(), &hostBuf);
761#endif
762
763 if (result < 0)
764 return -errno;
765
748 process->getSyscallArg(tc, index)))
749 return -EFAULT;
750 Addr bufPtr = process->getSyscallArg(tc, index);
751
752 // Adjust path for current working directory
753 path = process->fullPath(path);
754
755#if NO_STAT64
756 struct stat hostBuf;
757 int result = stat(path.c_str(), &hostBuf);
758#else
759 struct stat64 hostBuf;
760 int result = stat64(path.c_str(), &hostBuf);
761#endif
762
763 if (result < 0)
764 return -errno;
765
766 copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
766 copyOutStat64Buf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
767
768 return 0;
769}
770
771
772/// Target fstat64() handler.
773template <class OS>
774SyscallReturn

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789#else
790 struct stat64 hostBuf;
791 int result = fstat64(process->sim_fd(fd), &hostBuf);
792#endif
793
794 if (result < 0)
795 return -errno;
796
767
768 return 0;
769}
770
771
772/// Target fstat64() handler.
773template <class OS>
774SyscallReturn

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789#else
790 struct stat64 hostBuf;
791 int result = fstat64(process->sim_fd(fd), &hostBuf);
792#endif
793
794 if (result < 0)
795 return -errno;
796
797 copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1));
797 copyOutStat64Buf<OS>(tc->getMemProxy(), bufPtr, &hostBuf, (fd == 1));
798
799 return 0;
800}
801
802
803/// Target lstat() handler.
804template <class OS>
805SyscallReturn
806lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
807 ThreadContext *tc)
808{
809 std::string path;
810
811 int index = 0;
798
799 return 0;
800}
801
802
803/// Target lstat() handler.
804template <class OS>
805SyscallReturn
806lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
807 ThreadContext *tc)
808{
809 std::string path;
810
811 int index = 0;
812 if (!tc->getMemPort()->tryReadString(path,
812 if (!tc->getMemProxy()->tryReadString(path,
813 process->getSyscallArg(tc, index))) {
814 return -EFAULT;
815 }
816 Addr bufPtr = process->getSyscallArg(tc, index);
817
818 // Adjust path for current working directory
819 path = process->fullPath(path);
820
821 struct stat hostBuf;
822 int result = lstat(path.c_str(), &hostBuf);
823
824 if (result < 0)
825 return -errno;
826
813 process->getSyscallArg(tc, index))) {
814 return -EFAULT;
815 }
816 Addr bufPtr = process->getSyscallArg(tc, index);
817
818 // Adjust path for current working directory
819 path = process->fullPath(path);
820
821 struct stat hostBuf;
822 int result = lstat(path.c_str(), &hostBuf);
823
824 if (result < 0)
825 return -errno;
826
827 copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
827 copyOutStatBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
828
829 return 0;
830}
831
832/// Target lstat64() handler.
833template <class OS>
834SyscallReturn
835lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
836 ThreadContext *tc)
837{
838 std::string path;
839
840 int index = 0;
828
829 return 0;
830}
831
832/// Target lstat64() handler.
833template <class OS>
834SyscallReturn
835lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
836 ThreadContext *tc)
837{
838 std::string path;
839
840 int index = 0;
841 if (!tc->getMemPort()->tryReadString(path,
841 if (!tc->getMemProxy()->tryReadString(path,
842 process->getSyscallArg(tc, index))) {
843 return -EFAULT;
844 }
845 Addr bufPtr = process->getSyscallArg(tc, index);
846
847 // Adjust path for current working directory
848 path = process->fullPath(path);
849
850#if NO_STAT64
851 struct stat hostBuf;
852 int result = lstat(path.c_str(), &hostBuf);
853#else
854 struct stat64 hostBuf;
855 int result = lstat64(path.c_str(), &hostBuf);
856#endif
857
858 if (result < 0)
859 return -errno;
860
842 process->getSyscallArg(tc, index))) {
843 return -EFAULT;
844 }
845 Addr bufPtr = process->getSyscallArg(tc, index);
846
847 // Adjust path for current working directory
848 path = process->fullPath(path);
849
850#if NO_STAT64
851 struct stat hostBuf;
852 int result = lstat(path.c_str(), &hostBuf);
853#else
854 struct stat64 hostBuf;
855 int result = lstat64(path.c_str(), &hostBuf);
856#endif
857
858 if (result < 0)
859 return -errno;
860
861 copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf);
861 copyOutStat64Buf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
862
863 return 0;
864}
865
866/// Target fstat() handler.
867template <class OS>
868SyscallReturn
869fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,

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879 return -EBADF;
880
881 struct stat hostBuf;
882 int result = fstat(fd, &hostBuf);
883
884 if (result < 0)
885 return -errno;
886
862
863 return 0;
864}
865
866/// Target fstat() handler.
867template <class OS>
868SyscallReturn
869fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process,

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879 return -EBADF;
880
881 struct stat hostBuf;
882 int result = fstat(fd, &hostBuf);
883
884 if (result < 0)
885 return -errno;
886
887 copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1));
887 copyOutStatBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf, (fd == 1));
888
889 return 0;
890}
891
892
893/// Target statfs() handler.
894template <class OS>
895SyscallReturn
896statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
897 ThreadContext *tc)
898{
899 std::string path;
900
901 int index = 0;
888
889 return 0;
890}
891
892
893/// Target statfs() handler.
894template <class OS>
895SyscallReturn
896statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
897 ThreadContext *tc)
898{
899 std::string path;
900
901 int index = 0;
902 if (!tc->getMemPort()->tryReadString(path,
902 if (!tc->getMemProxy()->tryReadString(path,
903 process->getSyscallArg(tc, index))) {
904 return -EFAULT;
905 }
906 Addr bufPtr = process->getSyscallArg(tc, index);
907
908 // Adjust path for current working directory
909 path = process->fullPath(path);
910
911 struct statfs hostBuf;
912 int result = statfs(path.c_str(), &hostBuf);
913
914 if (result < 0)
915 return -errno;
916
903 process->getSyscallArg(tc, index))) {
904 return -EFAULT;
905 }
906 Addr bufPtr = process->getSyscallArg(tc, index);
907
908 // Adjust path for current working directory
909 path = process->fullPath(path);
910
911 struct statfs hostBuf;
912 int result = statfs(path.c_str(), &hostBuf);
913
914 if (result < 0)
915 return -errno;
916
917 OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf);
917 OS::copyOutStatfsBuf(tc->getMemProxy(), bufPtr, &hostBuf);
918
919 return 0;
920}
921
922
923/// Target fstatfs() handler.
924template <class OS>
925SyscallReturn

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934 return -EBADF;
935
936 struct statfs hostBuf;
937 int result = fstatfs(fd, &hostBuf);
938
939 if (result < 0)
940 return -errno;
941
918
919 return 0;
920}
921
922
923/// Target fstatfs() handler.
924template <class OS>
925SyscallReturn

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934 return -EBADF;
935
936 struct statfs hostBuf;
937 int result = fstatfs(fd, &hostBuf);
938
939 if (result < 0)
940 return -errno;
941
942 OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf);
942 OS::copyOutStatfsBuf(tc->getMemProxy(), bufPtr, &hostBuf);
943
944 return 0;
945}
946
947
948/// Target writev() handler.
949template <class OS>
950SyscallReturn
951writevFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
952 ThreadContext *tc)
953{
954 int index = 0;
955 int fd = process->getSyscallArg(tc, index);
956 if (fd < 0 || process->sim_fd(fd) < 0) {
957 // doesn't map to any simulator fd: not a valid target fd
958 return -EBADF;
959 }
960
943
944 return 0;
945}
946
947
948/// Target writev() handler.
949template <class OS>
950SyscallReturn
951writevFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
952 ThreadContext *tc)
953{
954 int index = 0;
955 int fd = process->getSyscallArg(tc, index);
956 if (fd < 0 || process->sim_fd(fd) < 0) {
957 // doesn't map to any simulator fd: not a valid target fd
958 return -EBADF;
959 }
960
961 TranslatingPort *p = tc->getMemPort();
961 SETranslatingPortProxy *p = tc->getMemProxy();
962 uint64_t tiov_base = process->getSyscallArg(tc, index);
963 size_t count = process->getSyscallArg(tc, index);
964 struct iovec hiov[count];
965 for (size_t i = 0; i < count; ++i) {
966 typename OS::tgt_iovec tiov;
967
968 p->readBlob(tiov_base + i*sizeof(typename OS::tgt_iovec),
969 (uint8_t*)&tiov, sizeof(typename OS::tgt_iovec));

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1098
1099 default:
1100 std::cerr << "getrlimitFunc: unimplemented resource " << resource
1101 << std::endl;
1102 abort();
1103 break;
1104 }
1105
962 uint64_t tiov_base = process->getSyscallArg(tc, index);
963 size_t count = process->getSyscallArg(tc, index);
964 struct iovec hiov[count];
965 for (size_t i = 0; i < count; ++i) {
966 typename OS::tgt_iovec tiov;
967
968 p->readBlob(tiov_base + i*sizeof(typename OS::tgt_iovec),
969 (uint8_t*)&tiov, sizeof(typename OS::tgt_iovec));

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1098
1099 default:
1100 std::cerr << "getrlimitFunc: unimplemented resource " << resource
1101 << std::endl;
1102 abort();
1103 break;
1104 }
1105
1106 rlp.copyOut(tc->getMemPort());
1106 rlp.copyOut(tc->getMemProxy());
1107 return 0;
1108}
1109
1110/// Target gettimeofday() handler.
1111template <class OS>
1112SyscallReturn
1113gettimeofdayFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1114 ThreadContext *tc)
1115{
1116 int index = 0;
1117 TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, index));
1118
1119 getElapsedTime(tp->tv_sec, tp->tv_usec);
1120 tp->tv_sec += seconds_since_epoch;
1121 tp->tv_sec = TheISA::htog(tp->tv_sec);
1122 tp->tv_usec = TheISA::htog(tp->tv_usec);
1123
1107 return 0;
1108}
1109
1110/// Target gettimeofday() handler.
1111template <class OS>
1112SyscallReturn
1113gettimeofdayFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1114 ThreadContext *tc)
1115{
1116 int index = 0;
1117 TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, index));
1118
1119 getElapsedTime(tp->tv_sec, tp->tv_usec);
1120 tp->tv_sec += seconds_since_epoch;
1121 tp->tv_sec = TheISA::htog(tp->tv_sec);
1122 tp->tv_usec = TheISA::htog(tp->tv_usec);
1123
1124 tp.copyOut(tc->getMemPort());
1124 tp.copyOut(tc->getMemProxy());
1125
1126 return 0;
1127}
1128
1129
1130/// Target utimes() handler.
1131template <class OS>
1132SyscallReturn
1133utimesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1134 ThreadContext *tc)
1135{
1136 std::string path;
1137
1138 int index = 0;
1125
1126 return 0;
1127}
1128
1129
1130/// Target utimes() handler.
1131template <class OS>
1132SyscallReturn
1133utimesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1134 ThreadContext *tc)
1135{
1136 std::string path;
1137
1138 int index = 0;
1139 if (!tc->getMemPort()->tryReadString(path,
1139 if (!tc->getMemProxy()->tryReadString(path,
1140 process->getSyscallArg(tc, index))) {
1141 return -EFAULT;
1142 }
1143
1144 TypedBufferArg<typename OS::timeval [2]>
1145 tp(process->getSyscallArg(tc, index));
1140 process->getSyscallArg(tc, index))) {
1141 return -EFAULT;
1142 }
1143
1144 TypedBufferArg<typename OS::timeval [2]>
1145 tp(process->getSyscallArg(tc, index));
1146 tp.copyIn(tc->getMemPort());
1146 tp.copyIn(tc->getMemProxy());
1147
1148 struct timeval hostTimeval[2];
1149 for (int i = 0; i < 2; ++i)
1150 {
1151 hostTimeval[i].tv_sec = gtoh((*tp)[i].tv_sec);
1152 hostTimeval[i].tv_usec = gtoh((*tp)[i].tv_usec);
1153 }
1154

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1204
1205 default:
1206 // don't really handle THREAD or CHILDREN, but just warn and
1207 // plow ahead
1208 warn("getrusage() only supports RUSAGE_SELF. Parameter %d ignored.",
1209 who);
1210 }
1211
1147
1148 struct timeval hostTimeval[2];
1149 for (int i = 0; i < 2; ++i)
1150 {
1151 hostTimeval[i].tv_sec = gtoh((*tp)[i].tv_sec);
1152 hostTimeval[i].tv_usec = gtoh((*tp)[i].tv_usec);
1153 }
1154

--- 49 unchanged lines hidden (view full) ---

1204
1205 default:
1206 // don't really handle THREAD or CHILDREN, but just warn and
1207 // plow ahead
1208 warn("getrusage() only supports RUSAGE_SELF. Parameter %d ignored.",
1209 who);
1210 }
1211
1212 rup.copyOut(tc->getMemPort());
1212 rup.copyOut(tc->getMemProxy());
1213
1214 return 0;
1215}
1216
1217/// Target times() function.
1218template <class OS>
1219SyscallReturn
1220timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,

--- 8 unchanged lines hidden (view full) ---

1229 bufp->tms_stime = 0;
1230 bufp->tms_cutime = 0;
1231 bufp->tms_cstime = 0;
1232
1233 // Convert to host endianness
1234 bufp->tms_utime = htog(bufp->tms_utime);
1235
1236 // Write back
1213
1214 return 0;
1215}
1216
1217/// Target times() function.
1218template <class OS>
1219SyscallReturn
1220timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,

--- 8 unchanged lines hidden (view full) ---

1229 bufp->tms_stime = 0;
1230 bufp->tms_cutime = 0;
1231 bufp->tms_cstime = 0;
1232
1233 // Convert to host endianness
1234 bufp->tms_utime = htog(bufp->tms_utime);
1235
1236 // Write back
1237 bufp.copyOut(tc->getMemPort());
1237 bufp.copyOut(tc->getMemProxy());
1238
1239 // Return clock ticks since system boot
1240 return clocks;
1241}
1242
1243/// Target time() function.
1244template <class OS>
1245SyscallReturn

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1250 getElapsedTime(sec, usec);
1251 sec += seconds_since_epoch;
1252
1253 int index = 0;
1254 Addr taddr = (Addr)process->getSyscallArg(tc, index);
1255 if(taddr != 0) {
1256 typename OS::time_t t = sec;
1257 t = htog(t);
1238
1239 // Return clock ticks since system boot
1240 return clocks;
1241}
1242
1243/// Target time() function.
1244template <class OS>
1245SyscallReturn

--- 4 unchanged lines hidden (view full) ---

1250 getElapsedTime(sec, usec);
1251 sec += seconds_since_epoch;
1252
1253 int index = 0;
1254 Addr taddr = (Addr)process->getSyscallArg(tc, index);
1255 if(taddr != 0) {
1256 typename OS::time_t t = sec;
1257 t = htog(t);
1258 TranslatingPort *p = tc->getMemPort();
1258 SETranslatingPortProxy *p = tc->getMemProxy();
1259 p->writeBlob(taddr, (uint8_t*)&t, (int)sizeof(typename OS::time_t));
1260 }
1261 return sec;
1262}
1263
1264
1265#endif // __SIM_SYSCALL_EMUL_HH__
1259 p->writeBlob(taddr, (uint8_t*)&t, (int)sizeof(typename OS::time_t));
1260 }
1261 return sec;
1262}
1263
1264
1265#endif // __SIM_SYSCALL_EMUL_HH__