Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

[mirror_qemu.git] / scripts / coverity-model.c

diff --git a/scripts/coverity-model.c b/scripts/coverity-model.c
index 224d2d18738201ed9d0144a32c10e5bce0b96acf..2c0346ff252067e80df52620ab11c573300912af 100644 (file)
--- a/scripts/coverity-model.c
+++ b/scripts/coverity-model.c
@@ -49,7 +49,7 @@ typedef uint64_t hwaddr;
 typedef uint32_t MemTxResult;
 typedef uint64_t MemTxAttrs;
 
-static void __write(uint8_t *buf, ssize_t len)
+static void __bufwrite(uint8_t *buf, ssize_t len)
 {
     int first, last;
     __coverity_negative_sink__(len);
@@ -59,7 +59,7 @@ static void __write(uint8_t *buf, ssize_t len)
     __coverity_writeall__(buf);
 }
 
-static void __read(uint8_t *buf, ssize_t len)
+static void __bufread(uint8_t *buf, ssize_t len)
 {
     __coverity_negative_sink__(len);
     if (len == 0) return;
@@ -67,18 +67,27 @@ static void __read(uint8_t *buf, ssize_t len)
     int last = buf[len-1];
 }
 
-MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
-                             uint8_t *buf, int len, bool is_write)
+MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
+                               MemTxAttrs attrs,
+                               uint8_t *buf, int len)
 {
     MemTxResult result;
-
     // TODO: investigate impact of treating reads as producing
     // tainted data, with __coverity_tainted_data_argument__(buf).
-    if (is_write) __write(buf, len); else __read(buf, len);
+    __bufwrite(buf, len);
+    return result;
+}
 
+MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
+                                MemTxAttrs attrs,
+                                const uint8_t *buf, int len)
+{
+    MemTxResult result;
+    __bufread(buf, len);
     return result;
 }
 
+
 /* Tainting */
 
 typedef struct {} name2keysym_t;
@@ -94,6 +103,14 @@ static int get_keysym(const name2keysym_t *table,
     }
 }
 
+/* Replay data is considered trusted.  */
+uint8_t replay_get_byte(void)
+{
+    uint8_t byte;
+    return byte;
+}
+
+
 /*
  * GLib memory allocation functions.
  *
@@ -236,6 +253,23 @@ void *g_try_realloc(void *ptr, size_t size)
     return g_try_realloc_n(ptr, 1, size);
 }
 
+/* Other memory allocation functions */
+
+void *g_memdup(const void *ptr, unsigned size)
+{
+    unsigned char *dup;
+    unsigned i;
+
+    if (!ptr) {
+        return NULL;
+    }
+
+    dup = g_malloc(size);
+    for (i = 0; i < size; i++)
+        dup[i] = ((unsigned char *)ptr)[i];
+    return dup;
+}
+
 /*
  * GLib string allocation functions
  */
@@ -325,6 +359,15 @@ char *g_strconcat(const char *s, ...)
 
 /* Other glib functions */
 
+typedef struct pollfd GPollFD;
+
+int poll();
+
+int g_poll (GPollFD *fds, unsigned nfds, int timeout)
+{
+    return poll(fds, nfds, timeout);
+}
+
 typedef struct _GIOChannel GIOChannel;
 GIOChannel *g_io_channel_unix_new(int fd)
 {