syscall_emul: extend mmap system call to support file backed mmaps

For O3, which has a stat that counts reg reads, there is an additional
reg read per mmap() call since there's an arg we no longer ignore.
Otherwise, stats should not be affected.

1 files changed, 27 insertions, 2 deletions

diff --git a/src/arch/sparc/solaris/solaris.cc b/src/arch/sparc/solaris/solaris.cc
index e17de3af0..afedcfe88 100644
--- a/src/arch/sparc/solaris/solaris.cc
+++ b/src/arch/sparc/solaris/solaris.cc
@@ -28,10 +28,11 @@
  * Authors: Ali Saidi
  */
 
-#include <fcntl.h>
-
 #include "arch/sparc/solaris/solaris.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable SparcSolaris::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -76,3 +77,27 @@ SyscallFlagTransTable SparcSolaris::openFlagTable[] = {
 const int SparcSolaris::NUM_OPEN_FLAGS =
         (sizeof(SparcSolaris::openFlagTable)/sizeof(SparcSolaris::openFlagTable[0]));
 
+// mmap(2) flags translation table
+SyscallFlagTransTable SparcSolaris::mmapFlagTable[] = {
+  { TGT_MAP_SHARED, MAP_SHARED },
+  { TGT_MAP_PRIVATE, MAP_PRIVATE },
+  { TGT_MAP_32BIT, MAP_32BIT},
+  { TGT_MAP_ANON, MAP_ANON },
+  { TGT_MAP_DENYWRITE, MAP_DENYWRITE },
+  { TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { TGT_MAP_FILE, MAP_FILE },
+  { TGT_MAP_GROWSDOWN, MAP_GROWSDOWN },
+  { TGT_MAP_HUGETLB, MAP_HUGETLB },
+  { TGT_MAP_LOCKED, MAP_LOCKED },
+  { TGT_MAP_NONBLOCK, MAP_NONBLOCK },
+  { TGT_MAP_NORESERVE, MAP_NORESERVE },
+  { TGT_MAP_POPULATE, MAP_POPULATE },
+  { TGT_MAP_STACK, MAP_STACK },
+  { TGT_MAP_ANONYMOUS, MAP_ANONYMOUS },
+  { TGT_MAP_FIXED, MAP_FIXED },
+};
+
+const unsigned SparcSolaris::NUM_MMAP_FLAGS =
+        sizeof(SparcSolaris::mmapFlagTable) /
+        sizeof(SparcSolaris::mmapFlagTable[0]);
+