From Michal Labedzki via

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8818

Add support for dissection ELF files. It opens as a "capture" file via wiretap
at the moment for simplicity's sake, but the intention is eventually to have
this (and other file types we dissect) open through some other program sharing
much of the libwireshark infrastructure.

svn path=/trunk/; revision=52775

1 files changed, 45 insertions, 0 deletions

diff --git a/epan/dwarf.c b/epan/dwarf.c
new file mode 100644
index 0000000000..435328d6c0
--- /dev/null
+++ b/epan/dwarf.c
@@ -0,0 +1,45 @@
+#include "config.h"
+#include <epan/packet.h>
+
+gint
+dissect_uleb128(tvbuff_t *tvb, gint offset, guint64 *value)
+{
+    guint  start_offset = offset;
+    guint  shift = 0;
+    guint8 byte;
+
+    *value = 0;
+
+    do {
+        byte = tvb_get_guint8(tvb, offset);
+        offset += 1;
+
+        *value |= (byte & 0x7F) << shift;
+        shift += 7;
+    } while (byte & 0x80);
+
+    return offset - start_offset;
+}
+
+gint
+dissect_leb128(tvbuff_t *tvb, gint offset, gint64 *value)
+{
+    guint  start_offset = offset;
+    guint  shift = 0;
+    guint8 byte;
+
+    *value = 0;
+
+    do {
+        byte = tvb_get_guint8(tvb, offset);
+        offset += 1;
+
+        *value |= (byte & 0x7F) << shift;
+        shift += 7;
+    } while (byte & 0x80);
+
+    if (shift < 64 && byte & 0x40)
+        *value |= - (1 << shift);
+
+    return offset - start_offset;
+}