diff options
Diffstat (limited to 'src/sim/syscall_emul.cc')
-rw-r--r-- | src/sim/syscall_emul.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index 7f4d76630..c56963acf 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -519,6 +519,25 @@ unlinkHelper(SyscallDesc *desc, int num, Process *p, ThreadContext *tc, return (result == -1) ? -errno : result; } +SyscallReturn +linkFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc) +{ + string path; + string new_path; + + int index = 0; + auto &virt_mem = tc->getMemProxy(); + if (!virt_mem.tryReadString(path, p->getSyscallArg(tc, index))) + return -EFAULT; + if (!virt_mem.tryReadString(new_path, p->getSyscallArg(tc, index))) + return -EFAULT; + + path = p->fullPath(path); + new_path = p->fullPath(new_path); + + int result = link(path.c_str(), new_path.c_str()); + return (result == -1) ? -errno : result; +} SyscallReturn mkdirFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc) |