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.

17 files changed, 482 insertions, 35 deletions

diff --git a/src/arch/alpha/linux/linux.cc b/src/arch/alpha/linux/linux.cc
index b86b92c2e..7b747f127 100644
--- a/src/arch/alpha/linux/linux.cc
+++ b/src/arch/alpha/linux/linux.cc
@@ -28,10 +28,11 @@
  * Authors: Korey Sewell
  */
 
-#include <fcntl.h>
-
 #include "arch/alpha/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable AlphaLinux::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -99,3 +100,28 @@ SyscallFlagTransTable AlphaLinux::openFlagTable[] = {
 
 const int AlphaLinux::NUM_OPEN_FLAGS =
     (sizeof(AlphaLinux::openFlagTable)/sizeof(AlphaLinux::openFlagTable[0]));
+
+// mmap(2) flags translation table
+SyscallFlagTransTable AlphaLinux::mmapFlagTable[] = {
+  { AlphaLinux::TGT_MAP_SHARED,     MAP_SHARED },
+  { AlphaLinux::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { AlphaLinux::TGT_MAP_ANON,       MAP_ANON },
+  { AlphaLinux::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { AlphaLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { AlphaLinux::TGT_MAP_FILE,       MAP_FILE },
+  { AlphaLinux::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { AlphaLinux::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { AlphaLinux::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { AlphaLinux::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { AlphaLinux::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { AlphaLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { AlphaLinux::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { AlphaLinux::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { AlphaLinux::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned AlphaLinux::NUM_MMAP_FLAGS =
+        sizeof(AlphaLinux::mmapFlagTable) /
+        sizeof(AlphaLinux::mmapFlagTable[0]);
diff --git a/src/arch/alpha/linux/linux.hh b/src/arch/alpha/linux/linux.hh
index 7864c6414..409ad4dd1 100644
--- a/src/arch/alpha/linux/linux.hh
+++ b/src/arch/alpha/linux/linux.hh
@@ -104,8 +104,25 @@ class AlphaLinux : public Linux
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x10;
-    static const unsigned TGT_MAP_FIXED     = 0x100;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x000001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x000002;
+    static const unsigned TGT_MAP_ANON          = 0x000010;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x002000;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x004000;
+    static const unsigned TGT_MAP_FILE          = 0x000000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x001000;
+    static const unsigned TGT_MAP_HUGETLB       = 0x100000;
+    static const unsigned TGT_MAP_LOCKED        = 0x008000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x040000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x010000;
+    static const unsigned TGT_MAP_POPULATE      = 0x020000;
+    static const unsigned TGT_MAP_STACK         = 0x080000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x000010;
+    static const unsigned TGT_MAP_FIXED         = 0x000100;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     //@{
     /// For getsysinfo().
diff --git a/src/arch/alpha/tru64/tru64.cc b/src/arch/alpha/tru64/tru64.cc
index 1854a02f1..1fd589f66 100644
--- a/src/arch/alpha/tru64/tru64.cc
+++ b/src/arch/alpha/tru64/tru64.cc
@@ -68,5 +68,27 @@ SyscallFlagTransTable AlphaTru64::openFlagTable[] = {
 const int AlphaTru64::NUM_OPEN_FLAGS =
         (sizeof(AlphaTru64::openFlagTable)/sizeof(AlphaTru64::openFlagTable[0]));
 
+// mmap(2) flags translation table
+SyscallFlagTransTable AlphaTru64::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 AlphaTru64::NUM_MMAP_FLAGS =
+        sizeof(AlphaTru64::mmapFlagTable) /
+        sizeof(AlphaTru64::mmapFlagTable[0]);
 
diff --git a/src/arch/alpha/tru64/tru64.hh b/src/arch/alpha/tru64/tru64.hh
index 92d6db842..e8ac3c7e8 100644
--- a/src/arch/alpha/tru64/tru64.hh
+++ b/src/arch/alpha/tru64/tru64.hh
@@ -63,8 +63,28 @@ class AlphaTru64 : public Tru64
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x10;
-    static const unsigned TGT_MAP_FIXED     = 0x100;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_32BIT         = 0x00040;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
+
+    //@{
 
     //@{
     /// For getsysinfo().
diff --git a/src/arch/arm/freebsd/freebsd.hh b/src/arch/arm/freebsd/freebsd.hh
index 7e85659ec..e2c5e493c 100644
--- a/src/arch/arm/freebsd/freebsd.hh
+++ b/src/arch/arm/freebsd/freebsd.hh
@@ -74,6 +74,8 @@ class ArmFreebsd32 : public FreeBSD
     //@}
 
     /// For mmap().
+    static const unsigned TGT_MAP_SHARED    = 0x0001;
+    static const unsigned TGT_MAP_PRIVATE   = 0x0002;
     static const unsigned TGT_MAP_ANONYMOUS = 0x1000;
     static const unsigned TGT_MAP_FIXED     = 0x0010;
 
@@ -229,6 +231,8 @@ class ArmFreebsd64 : public FreeBSD
     //@}
 
     /// For mmap().
+    static const unsigned TGT_MAP_SHARED    = 0x0001;
+    static const unsigned TGT_MAP_PRIVATE   = 0x0002;
     static const unsigned TGT_MAP_ANONYMOUS = 0x1000;
     static const unsigned TGT_MAP_FIXED     = 0x0010;
 
diff --git a/src/arch/arm/linux/linux.cc b/src/arch/arm/linux/linux.cc
index ac114048a..3dde8c217 100644
--- a/src/arch/arm/linux/linux.cc
+++ b/src/arch/arm/linux/linux.cc
@@ -41,10 +41,11 @@
  * Authors: Stephen Hines
  */
 
-#include <fcntl.h>
-
 #include "arch/arm/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable ArmLinux32::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -121,6 +122,31 @@ SyscallFlagTransTable ArmLinux32::openFlagTable[] = {
 const int ArmLinux32::NUM_OPEN_FLAGS = sizeof(ArmLinux32::openFlagTable) /
                                        sizeof(ArmLinux32::openFlagTable[0]);
 
+// mmap(2) flags translation table
+SyscallFlagTransTable ArmLinux32::mmapFlagTable[] = {
+  { ArmLinux32::TGT_MAP_SHARED,     MAP_SHARED },
+  { ArmLinux32::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { ArmLinux32::TGT_MAP_ANON,       MAP_ANON },
+  { ArmLinux32::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { ArmLinux32::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { ArmLinux32::TGT_MAP_FILE,       MAP_FILE },
+  { ArmLinux32::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { ArmLinux32::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { ArmLinux32::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { ArmLinux32::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { ArmLinux32::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { ArmLinux32::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { ArmLinux32::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { ArmLinux32::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { ArmLinux32::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned ArmLinux32::NUM_MMAP_FLAGS =
+        sizeof(ArmLinux32::mmapFlagTable) /
+        sizeof(ArmLinux32::mmapFlagTable[0]);
+
 // open(2) flags translation table
 SyscallFlagTransTable ArmLinux64::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -197,3 +223,28 @@ SyscallFlagTransTable ArmLinux64::openFlagTable[] = {
 const int ArmLinux64::NUM_OPEN_FLAGS = sizeof(ArmLinux64::openFlagTable) /
                                        sizeof(ArmLinux64::openFlagTable[0]);
 
+// mmap(2) flags translation table
+SyscallFlagTransTable ArmLinux64::mmapFlagTable[] = {
+  { ArmLinux64::TGT_MAP_SHARED,     MAP_SHARED },
+  { ArmLinux64::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { ArmLinux64::TGT_MAP_ANON,       MAP_ANON },
+  { ArmLinux64::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { ArmLinux64::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { ArmLinux64::TGT_MAP_FILE,       MAP_FILE },
+  { ArmLinux64::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { ArmLinux64::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { ArmLinux64::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { ArmLinux64::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { ArmLinux64::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { ArmLinux64::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { ArmLinux64::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { ArmLinux64::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { ArmLinux64::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned ArmLinux64::NUM_MMAP_FLAGS =
+        sizeof(ArmLinux64::mmapFlagTable) /
+        sizeof(ArmLinux64::mmapFlagTable[0]);
+
diff --git a/src/arch/arm/linux/linux.hh b/src/arch/arm/linux/linux.hh
index a2eaea52c..5c814cde1 100644
--- a/src/arch/arm/linux/linux.hh
+++ b/src/arch/arm/linux/linux.hh
@@ -125,8 +125,25 @@ class ArmLinux32 : public Linux
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     /// For table().
     static const int TBL_SYSINFO = 12;
@@ -320,8 +337,25 @@ class ArmLinux64 : public Linux
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     //@{
     /// For getrusage().
diff --git a/src/arch/mips/linux/linux.cc b/src/arch/mips/linux/linux.cc
index 4861f7cb9..2f0ca6090 100644
--- a/src/arch/mips/linux/linux.cc
+++ b/src/arch/mips/linux/linux.cc
@@ -28,10 +28,11 @@
  * Authors: Korey Sewell
  */
 
-#include <fcntl.h>
-
 #include "arch/mips/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable MipsLinux::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -97,3 +98,29 @@ SyscallFlagTransTable MipsLinux::openFlagTable[] = {
 
 const int MipsLinux::NUM_OPEN_FLAGS =
         (sizeof(MipsLinux::openFlagTable)/sizeof(MipsLinux::openFlagTable[0]));
+
+// mmap(2) flags translation table
+SyscallFlagTransTable MipsLinux::mmapFlagTable[] = {
+  { MipsLinux::TGT_MAP_SHARED,     MAP_SHARED },
+  { MipsLinux::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { MipsLinux::TGT_MAP_ANON,       MAP_ANON },
+  { MipsLinux::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { MipsLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { MipsLinux::TGT_MAP_FILE,       MAP_FILE },
+  { MipsLinux::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { MipsLinux::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { MipsLinux::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { MipsLinux::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { MipsLinux::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { MipsLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { MipsLinux::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { MipsLinux::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { MipsLinux::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned MipsLinux::NUM_MMAP_FLAGS =
+        sizeof(MipsLinux::mmapFlagTable) /
+        sizeof(MipsLinux::mmapFlagTable[0]);
+
diff --git a/src/arch/mips/linux/linux.hh b/src/arch/mips/linux/linux.hh
index 6e4b6a82d..f4b18397e 100644
--- a/src/arch/mips/linux/linux.hh
+++ b/src/arch/mips/linux/linux.hh
@@ -102,8 +102,25 @@ class MipsLinux : public Linux
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x800;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_ANON          = 0x00800;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x02000;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x04000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x01000;
+    static const unsigned TGT_MAP_HUGETLB       = 0x80000;
+    static const unsigned TGT_MAP_LOCKED        = 0x08000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x20000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x00400;
+    static const unsigned TGT_MAP_POPULATE      = 0x10000;
+    static const unsigned TGT_MAP_STACK         = 0x40000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00800;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     //@{
     /// For getsysinfo().
diff --git a/src/arch/power/linux/linux.cc b/src/arch/power/linux/linux.cc
index f73dd063b..6382ca72a 100644
--- a/src/arch/power/linux/linux.cc
+++ b/src/arch/power/linux/linux.cc
@@ -29,10 +29,11 @@
  * Authors: Timothy M. Jones
  */
 
-#include <fcntl.h>
-
 #include "arch/power/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable PowerLinux::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -105,3 +106,28 @@ SyscallFlagTransTable PowerLinux::openFlagTable[] = {
 const int PowerLinux::NUM_OPEN_FLAGS =
         (sizeof(PowerLinux::openFlagTable)/sizeof(PowerLinux::openFlagTable[0]));
 
+// mmap(2) flags translation table
+SyscallFlagTransTable PowerLinux::mmapFlagTable[] = {
+  { PowerLinux::TGT_MAP_SHARED,     MAP_SHARED },
+  { PowerLinux::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { PowerLinux::TGT_MAP_ANON,       MAP_ANON },
+  { PowerLinux::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { PowerLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { PowerLinux::TGT_MAP_FILE,       MAP_FILE },
+  { PowerLinux::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { PowerLinux::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { PowerLinux::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { PowerLinux::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { PowerLinux::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { PowerLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { PowerLinux::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { PowerLinux::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { PowerLinux::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned PowerLinux::NUM_MMAP_FLAGS =
+        sizeof(PowerLinux::mmapFlagTable) /
+        sizeof(PowerLinux::mmapFlagTable[0]);
+
diff --git a/src/arch/power/linux/linux.hh b/src/arch/power/linux/linux.hh
index 656f4402e..55634800e 100644
--- a/src/arch/power/linux/linux.hh
+++ b/src/arch/power/linux/linux.hh
@@ -164,8 +164,25 @@ class PowerLinux : public Linux
     //@}
 
     /// For mmap().
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x00080;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x00040;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     //@{
     /// ioctl() command codes.
diff --git a/src/arch/sparc/linux/linux.cc b/src/arch/sparc/linux/linux.cc
index 2f91cf81d..dbc7e9691 100644
--- a/src/arch/sparc/linux/linux.cc
+++ b/src/arch/sparc/linux/linux.cc
@@ -28,10 +28,11 @@
  * Authors: Gabe Black
  */
 
-#include <fcntl.h>
-
 #include "arch/sparc/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable SparcLinux::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -95,3 +96,32 @@ SyscallFlagTransTable SparcLinux::openFlagTable[] = {
 const int SparcLinux::NUM_OPEN_FLAGS =
         (sizeof(SparcLinux::openFlagTable)/sizeof(SparcLinux::openFlagTable[0]));
 
+// mmap(2) flags translation table
+SyscallFlagTransTable SparcLinux::mmapFlagTable[] = {
+  { SparcLinux::TGT_MAP_SHARED,     MAP_SHARED },
+  { SparcLinux::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { SparcLinux::TGT_MAP_ANON,       MAP_ANON },
+  { SparcLinux::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { SparcLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { SparcLinux::TGT_MAP_FILE,       MAP_FILE },
+  { SparcLinux::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+  { SparcLinux::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+  { SparcLinux::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { SparcLinux::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { SparcLinux::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { SparcLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { SparcLinux::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { SparcLinux::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { SparcLinux::TGT_MAP_FIXED,      MAP_FIXED },
+#ifdef MAP_INHERIT
+  { SparcLinux::TGT_MAP_INHERIT,    MAP_INHERIT },
+#endif
+  { SparcLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
+};
+
+const unsigned SparcLinux::NUM_MMAP_FLAGS =
+        sizeof(SparcLinux::mmapFlagTable) /
+        sizeof(SparcLinux::mmapFlagTable[0]);
+
diff --git a/src/arch/sparc/linux/linux.hh b/src/arch/sparc/linux/linux.hh
index 138f178b7..d0631f82b 100644
--- a/src/arch/sparc/linux/linux.hh
+++ b/src/arch/sparc/linux/linux.hh
@@ -118,8 +118,27 @@ class SparcLinux : public Linux
 
     static const int NUM_OPEN_FLAGS;
 
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    /// For mmap().
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00200;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x00100;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x00040;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+    static const unsigned TGT_MAP_INHERIT       = 0x00080;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     typedef struct {
         int64_t  uptime;    /* Seconds since boot */
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]);
+
diff --git a/src/arch/sparc/solaris/solaris.hh b/src/arch/sparc/solaris/solaris.hh
index 9827b6b50..1e814bc53 100644
--- a/src/arch/sparc/solaris/solaris.hh
+++ b/src/arch/sparc/solaris/solaris.hh
@@ -58,8 +58,27 @@ class SparcSolaris : public Solaris
 
     static const int NUM_OPEN_FLAGS;
 
-    static const unsigned TGT_MAP_ANONYMOUS = 0x100;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    /// For mmap().
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_32BIT         = 0x00040;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 };
 
 #endif
diff --git a/src/arch/x86/linux/linux.cc b/src/arch/x86/linux/linux.cc
index 2eab555ce..f51bb16e7 100644
--- a/src/arch/x86/linux/linux.cc
+++ b/src/arch/x86/linux/linux.cc
@@ -37,10 +37,11 @@
  * Authors: Gabe Black
  */
 
-#include <fcntl.h>
-
 #include "arch/x86/linux/linux.hh"
 
+#include <fcntl.h>
+#include <sys/mman.h>
+
 // open(2) flags translation table
 SyscallFlagTransTable X86Linux64::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -110,6 +111,34 @@ const int X86Linux64::NUM_OPEN_FLAGS =
         sizeof(X86Linux64::openFlagTable) /
         sizeof(X86Linux64::openFlagTable[0]);
 
+// mmap(2) flags translation table
+SyscallFlagTransTable X86Linux64::mmapFlagTable[] = {
+  { X86Linux64::TGT_MAP_SHARED,     MAP_SHARED },
+  { X86Linux64::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { X86Linux64::TGT_MAP_32BIT,      MAP_32BIT},
+  { X86Linux64::TGT_MAP_ANON,       MAP_ANON },
+  { X86Linux64::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { X86Linux64::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { X86Linux64::TGT_MAP_FILE,       MAP_FILE },
+  { X86Linux64::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+#ifdef MAP_HUGETLB
+  { X86Linux64::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+#endif
+  { X86Linux64::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { X86Linux64::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { X86Linux64::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { X86Linux64::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { X86Linux64::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { X86Linux64::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { X86Linux64::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned X86Linux64::NUM_MMAP_FLAGS =
+        sizeof(X86Linux64::mmapFlagTable) /
+        sizeof(X86Linux64::mmapFlagTable[0]);
+
 // open(2) flags translation table
 SyscallFlagTransTable X86Linux32::openFlagTable[] = {
 #ifdef _MSC_VER
@@ -179,3 +208,30 @@ const int X86Linux32::NUM_OPEN_FLAGS =
         sizeof(X86Linux32::openFlagTable) /
         sizeof(X86Linux32::openFlagTable[0]);
 
+// mmap(2) flags translation table
+SyscallFlagTransTable X86Linux32::mmapFlagTable[] = {
+  { X86Linux32::TGT_MAP_SHARED,     MAP_SHARED },
+  { X86Linux32::TGT_MAP_PRIVATE,    MAP_PRIVATE },
+  { X86Linux32::TGT_MAP_32BIT,      MAP_32BIT},
+  { X86Linux32::TGT_MAP_ANON,       MAP_ANON },
+  { X86Linux32::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
+  { X86Linux32::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
+  { X86Linux32::TGT_MAP_FILE,       MAP_FILE },
+  { X86Linux32::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
+#ifdef MAP_HUGETLB
+  { X86Linux32::TGT_MAP_HUGETLB,    MAP_HUGETLB },
+#endif
+  { X86Linux32::TGT_MAP_LOCKED,     MAP_LOCKED },
+  { X86Linux32::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
+  { X86Linux32::TGT_MAP_NORESERVE,  MAP_NORESERVE },
+  { X86Linux32::TGT_MAP_POPULATE,   MAP_POPULATE },
+#ifdef MAP_STACK
+  { X86Linux32::TGT_MAP_STACK,      MAP_STACK },
+#endif
+  { X86Linux32::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
+  { X86Linux32::TGT_MAP_FIXED,      MAP_FIXED },
+};
+
+const unsigned X86Linux32::NUM_MMAP_FLAGS =
+        sizeof(X86Linux32::mmapFlagTable) /
+        sizeof(X86Linux32::mmapFlagTable[0]);
diff --git a/src/arch/x86/linux/linux.hh b/src/arch/x86/linux/linux.hh
index 854ab00a0..ce395f17d 100644
--- a/src/arch/x86/linux/linux.hh
+++ b/src/arch/x86/linux/linux.hh
@@ -126,8 +126,27 @@ class X86Linux64 : public Linux
 
     static const int NUM_OPEN_FLAGS;
 
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    /// For mmap().
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_32BIT         = 0x00040;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     typedef struct {
         uint64_t iov_base; // void *
@@ -147,7 +166,7 @@ class X86Linux64 : public Linux
         uint64_t totalhigh; /* Total high memory size */
         uint64_t freehigh;  /* Available high memory size */
         uint64_t mem_unit;  /* Memory unit size in bytes */
-   } tgt_sysinfo;
+    } tgt_sysinfo;
 
 };
 
@@ -236,8 +255,26 @@ class X86Linux32 : public Linux
 
     static const int NUM_OPEN_FLAGS;
 
-    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
-    static const unsigned TGT_MAP_FIXED     = 0x10;
+    static SyscallFlagTransTable mmapFlagTable[];
+
+    static const unsigned TGT_MAP_SHARED        = 0x00001;
+    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
+    static const unsigned TGT_MAP_32BIT         = 0x00040;
+    static const unsigned TGT_MAP_ANON          = 0x00020;
+    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
+    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
+    static const unsigned TGT_MAP_FILE          = 0x00000;
+    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
+    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
+    static const unsigned TGT_MAP_LOCKED        = 0x02000;
+    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
+    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
+    static const unsigned TGT_MAP_POPULATE      = 0x08000;
+    static const unsigned TGT_MAP_STACK         = 0x20000;
+    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
+    static const unsigned TGT_MAP_FIXED         = 0x00010;
+
+    static const unsigned NUM_MMAP_FLAGS;
 
     typedef struct {
        int32_t  uptime;    /* Seconds since boot */