update to ida 7.6, add builds

idasdk76/plugins/callee/callee.cpp

@@ -0,0 +1,124 @@
+/*
+ *  Change the callee address for constructions like
+ *
+ *  call esi    ; LocalFree
+ *
+ */
+
+#include <ida.hpp>
+#include <idp.hpp>
+#include <loader.hpp>
+#include <kernwin.hpp>
+#include <bytes.hpp>
+#include <auto.hpp>
+#include <segregs.hpp>
+#define T 20
+
+struct callee_vars_t : public plugmod_t
+{
+  processor_t &ph;
+  callee_vars_t(processor_t &_ph) : ph(_ph) {}
+  virtual bool idaapi run(size_t arg) override;
+};
+
+//--------------------------------------------------------------------------
+static plugmod_t *idaapi init()
+{
+  processor_t &ph = PH;
+  if ( ph.id != PLFM_386 && ph.id != PLFM_MIPS && ph.id != PLFM_ARM )
+    return nullptr; // only for x86, MIPS and ARM
+  return new callee_vars_t(ph);
+}
+
+//--------------------------------------------------------------------------
+static const char comment[] = "Change the callee address";
+static const char help[] =
+  "This plugin allows the user to change the address of the called function\n"
+  "in constructs like\n"
+  "\n"
+  "       call esi\n"
+  "\n"
+  "You can enter a function name instead of its address\n";
+
+//--------------------------------------------------------------------------
+static const char *const form =
+  "HELP\n"
+  "%s\n"
+  "ENDHELP\n"
+  "Enter the callee address\n"
+  "\n"
+  "  <~C~allee:$::40:::>\n"
+  "\n"
+  "\n";
+
+bool idaapi callee_vars_t::run(size_t)
+{
+  const char *nname;
+  if ( ph.id == PLFM_MIPS )
+    nname = "$ mips";
+  else if ( ph.id == PLFM_ARM )
+    nname = " $arm";
+  else
+    nname = "$ vmm functions";
+  netnode n(nname);
+  ea_t ea = get_screen_ea();    // get current address
+  if ( !is_code(get_flags(ea)) )
+    return false; // not an instruction
+  // get the callee address from the database
+  ea_t callee = node2ea(n.altval_ea(ea)-1);
+  // remove thumb bit for arm
+  if ( ph.id == PLFM_ARM )
+    callee &= ~1;
+  char buf[MAXSTR];
+  qsnprintf(buf, sizeof(buf), form, help);
+  if ( ask_form(buf, &callee) )
+  {
+    if ( callee == BADADDR )
+    {
+      n.altdel_ea(ea);
+    }
+    else
+    {
+      if ( ph.id == PLFM_ARM && (callee & 1) == 0 )
+      {
+        // if we're calling a thumb function, set bit 0
+        sel_t tbit = get_sreg(callee, T);
+        if ( tbit != 0 && tbit != BADSEL )
+          callee |= 1;
+      }
+      // save the new address
+      n.altset_ea(ea, ea2node(callee)+1);
+    }
+    gen_idb_event(idb_event::callee_addr_changed, ea, callee);
+    plan_ea(ea);                 // reanalyze the current instruction
+  }
+  return true;
+}
+
+//--------------------------------------------------------------------------
+static const char wanted_name[] = "Change the callee address";
+static const char wanted_hotkey[] = "Alt-F11";
+
+//--------------------------------------------------------------------------
+//
+//      PLUGIN DESCRIPTION BLOCK
+//
+//--------------------------------------------------------------------------
+plugin_t PLUGIN =
+{
+  IDP_INTERFACE_VERSION,
+  PLUGIN_MULTI,         // plugin flags
+  init,                 // initialize
+
+  nullptr,              // terminate. this pointer may be NULL.
+  nullptr,              // invoke plugin
+
+  comment,              // long comment about the plugin
+                        // it could appear in the status line
+                        // or as a hint
+
+  help,                 // multiline help about the plugin
+
+  wanted_name,          // the preferred short name of the plugin
+  wanted_hotkey         // the preferred hotkey to run the plugin
+};