src/sim/syscall_emul.hh

60 /// application on the host machine.
535 //// Helper function to convert a host stat buffer to a target stat
541 convertStatBuf(target_stat &tgt, host_stat *host, bool fakeTTY = false)
548         tgt->st_dev = host->st_dev;
550     tgt->st_ino = host->st_ino;
552     tgt->st_mode = host->st_mode;
559     tgt->st_nlink = host->st_nlink;
561     tgt->st_uid = host->st_uid;
563     tgt->st_gid = host->st_gid;
568         tgt->st_rdev = host->st_rdev;
570     tgt->st_size = host->st_size;
572     tgt->st_atimeX = host->st_atime;
574     tgt->st_mtimeX = host->st_mtime;
576     tgt->st_ctimeX = host->st_ctime;
582     tgt->st_blocks = host->st_blocks;
590 convertStat64Buf(target_stat &tgt, host_stat64 *host, bool fakeTTY = false)
594     convertStatBuf<target_stat, host_stat64>(tgt, host, fakeTTY);
596     tgt->st_atime_nsec = host->st_atime_nsec;
598     tgt->st_mtime_nsec = host->st_mtime_nsec;
600     tgt->st_ctime_nsec = host->st_ctime_nsec;
613                hst_stat *host, bool fakeTTY = false)
617     convertStatBuf<tgt_stat_buf, hst_stat>(tgt, host, fakeTTY);
624                  hst_stat64 *host, bool fakeTTY = false)
628     convertStat64Buf<tgt_stat_buf, hst_stat64>(tgt, host, fakeTTY);
635                  hst_statfs *host)
639     tgt->f_type = TheISA::htog(host->f_type);
641     tgt->f_bsize = TheISA::htog(host->f_iosize);
643     tgt->f_bsize = TheISA::htog(host->f_bsize);
645     tgt->f_blocks = TheISA::htog(host->f_blocks);
646     tgt->f_bfree = TheISA::htog(host->f_bfree);
647     tgt->f_bavail = TheISA::htog(host->f_bavail);
648     tgt->f_files = TheISA::htog(host->f_files);
649     tgt->f_ffree = TheISA::htog(host->f_ffree);
650     memcpy(&tgt->f_fsid, &host->f_fsid, sizeof(host->f_fsid));
652     tgt->f_namelen = TheISA::htog(host->f_namemax);
653     tgt->f_frsize = TheISA::htog(host->f_bsize);
658     tgt->f_namelen = TheISA::htog(host->f_namelen);
659     tgt->f_frsize = TheISA::htog(host->f_frsize);
662     memcpy(&tgt->f_spare, &host->f_spare, sizeof(host->f_spare));
774      * string from that memory space into the host's working memory space.
786      * Translate target flags into host flags. Flags exist which are not
816      * host) to work with after this block has been passed.
848          * Fall through here for pass through to host devices, such
860      * and files cannot be called on the host and need to be handled as
865      * the host open the file on our behalf. Again, the openImpl tries to
869      * 4) If the host cannot open the file, the open attempt failed in "3)".
870      * Return the host's error code back through the system call to the
1073      * replace them with host file descriptors but we need a temporary copy
1092      * underlying host for any other time than tmout a zero timeout.
1126      * Copy out the pollfd struct because the host may have updated fields
1775         // that resides on the host system. So, any write on a real system
1785              "will not be propagated to the host or shared mappings");
1811             warn("mmap: failed to map file into host address space");
1864         // on the host. We must know when to stop copying the file from
1865         // the host into the target address space.
2290     // Convert to host endianness
2439      * headers instead of the gem5 headers and libraries. If the host and
2460      * We need to translate the target file descriptor set into a host file
2483              * that we have a host mapping. Check that now.
2493              * then update them with hits returned from the host select call.
2498              * We know that the host file descriptor exists so now we check
2500              * the duplicated structure into the host.
2505              * Add the host file descriptor to the set that we are going to
2506              * pass into the host.
2547          * pass into the host select call. Unfortunately, we will need to
2581      * We need to translate the host file descriptor set into a target file
2671      * depending on host settings.