From: Gabe Black <gabeblack@google.com>
Date: Sat, 7 Dec 2019 11:23:18 +0000 (-0800)
Subject: sim: Convert ftruncate64 to GuestABI.
X-Git-Tag: v20.0.0.0~374
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0c00e7851603cbe93a08801fcb69e221866fb0f8;p=gem5.git

sim: Convert ftruncate64 to GuestABI.

This function was specifying a particular width to getSyscallArg. The
new ISA specific ABIs now handle that automatically.

Change-Id: I141655d3bcb78f56c2a9278d140dfbc0d69e1ff4
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23454
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---

diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index 4ab472aaf..731cf247e 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -613,12 +613,10 @@ truncate64Func(SyscallDesc *desc, int num, ThreadContext *tc,
 }
 
 SyscallReturn
-ftruncate64Func(SyscallDesc *desc, int num, ThreadContext *tc)
+ftruncate64Func(SyscallDesc *desc, int num, ThreadContext *tc,
+                int tgt_fd, int64_t length)
 {
-    int index = 0;
     auto p = tc->getProcessPtr();
-    int tgt_fd = p->getSyscallArg(tc, index);
-    int64_t length = p->getSyscallArg(tc, index, 64);
 
     auto ffdp = std::dynamic_pointer_cast<FileFDEntry>((*p->fds)[tgt_fd]);
     if (!ffdp)
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 6be574ac8..74ffd761f 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -235,8 +235,8 @@ SyscallReturn truncate64Func(SyscallDesc *desc, int num, ThreadContext *tc,
                              Addr pathname, int64_t length);
 
 /// Target ftruncate64() handler.
-SyscallReturn ftruncate64Func(SyscallDesc *desc, int num, ThreadContext *tc);
-
+SyscallReturn ftruncate64Func(SyscallDesc *desc, int num, ThreadContext *tc,
+                              int tgt_fd, int64_t length);
 
 /// Target umask() handler.
 SyscallReturn umaskFunc(SyscallDesc *desc, int num, ThreadContext *tc);