From: Ali Saidi <saidi@eecs.umich.edu>
Date: Thu, 13 Sep 2007 16:30:12 +0000 (-0400)
Subject: Syscall Emulation: Add stat64 syscall.
X-Git-Tag: m5_2.0_beta4~106^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e282d9601cb515f59eeb1701ec990f0985001ba9;p=gem5.git

Syscall Emulation: Add stat64 syscall.

Patch submitted by: Jonas Diemer [diemer (a) ida.ing.tu-bs.de]

--HG--
extra : convert_revision : 07638c05bb3f79aacce49457bbb8c17d0a3a7238
---

diff --git a/src/arch/alpha/linux/process.cc b/src/arch/alpha/linux/process.cc
index f7d946e2e..b638aa927 100644
--- a/src/arch/alpha/linux/process.cc
+++ b/src/arch/alpha/linux/process.cc
@@ -549,7 +549,7 @@ SyscallDesc AlphaLinuxProcess::syscallDescs[] = {
     /* 422 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
     /* 423 */ SyscallDesc("semtimedop", unimplementedFunc),
     /* 424 */ SyscallDesc("tgkill", unimplementedFunc),
-    /* 425 */ SyscallDesc("stat64", unimplementedFunc),
+    /* 425 */ SyscallDesc("stat64", stat64Func<AlphaLinux>),
     /* 426 */ SyscallDesc("lstat64", lstat64Func<AlphaLinux>),
     /* 427 */ SyscallDesc("fstat64", fstat64Func<AlphaLinux>),
     /* 428 */ SyscallDesc("vserver", unimplementedFunc),
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index a3d95b8ec..e2d13067c 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -604,6 +604,32 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
 }
 
 
+/// Target stat64() handler.
+template <class OS>
+SyscallReturn
+stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process,
+           ThreadContext *tc)
+{
+    std::string path;
+
+    if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0)))
+        return -EFAULT;
+
+    // Adjust path for current working directory
+    path = process->fullPath(path);
+
+    struct stat64 hostBuf;
+    int result = stat64(path.c_str(), &hostBuf);
+
+    if (result < 0)
+        return -errno;
+
+    copyOutStat64Buf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+
+    return 0;
+}
+
+
 /// Target fstat64() handler.
 template <class OS>
 SyscallReturn