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-rw-r--r--src/arch/x86/linux/linux.cc60
-rw-r--r--src/arch/x86/linux/linux.hh47
2 files changed, 100 insertions, 7 deletions
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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 08:08:35 +0000