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author | Matt Sinclair <mattdsinclair@gmail.com> | 2018-06-21 19:31:09 -0400 |
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committer | Matt Sinclair <mattdsinclair@gmail.com> | 2018-06-25 20:42:30 +0000 |
commit | 1678a08ded7e00049f4335d856c91043904002f7 (patch) | |
tree | d96eed3f514842fc7df4b8165a760019b1bbae1e /src/sim/syscall_emul.cc | |
parent | 3fb16fa3a3990ee4d2d2546d51db2220adb61a46 (diff) | |
download | gem5-1678a08ded7e00049f4335d856c91043904002f7.tar.xz |
syscall_emul: adding symlink system call
Change-Id: Iebda05c130b4d2ee8434cad1e703933bfda486c8
Reviewed-on: https://gem5-review.googlesource.com/11490
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Diffstat (limited to 'src/sim/syscall_emul.cc')
-rw-r--r-- | src/sim/syscall_emul.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index c56963acf..dd2323eaa 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -540,6 +540,26 @@ linkFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc) } SyscallReturn +symlinkFunc(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 = symlink(path.c_str(), new_path.c_str()); + return (result == -1) ? -errno : result; +} + +SyscallReturn mkdirFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc) { string path; |