Improve Enums for SEGMENT_FLAGS

Author: romainthomas

api/python/ELF/pyELFStructures.cpp

@@ -392,11 +392,9 @@ void init_ELF_Structures_enum(py::module& m) {
 
   //! Enum for the *p_flags* field of ElfXX_Phdr
   py::enum_<SEGMENT_FLAGS>(m, "SEGMENT_FLAGS", py::arithmetic())
-    .value("PF_X",           SEGMENT_FLAGS::PF_X)
-    .value("PF_W",           SEGMENT_FLAGS::PF_W)
-    .value("PF_R",           SEGMENT_FLAGS::PF_R)
-    .value("PF_MASKOS",      SEGMENT_FLAGS::PF_MASKOS)
-    .value("PF_MASKPROC",    SEGMENT_FLAGS::PF_MASKPROC)
+    .value(PY_ENUM(SEGMENT_FLAGS::PF_X))
+    .value(PY_ENUM(SEGMENT_FLAGS::PF_W))
+    .value(PY_ENUM(SEGMENT_FLAGS::PF_R))
     .export_values();
 
 

examples/python/elf_reader.py

@@ -129,13 +129,13 @@ def print_segments(binary):
             sections = segment.sections
             s = ", ".join([section.name for section in sections])
             flags_str = ["-"] * 3
-            if ELF.SEGMENT_FLAGS.PF_R in segment:
+            if ELF.SEGMENT_FLAGS.R in segment:
                 flags_str[0] = "r"
 
-            if ELF.SEGMENT_FLAGS.PF_W in segment:
+            if ELF.SEGMENT_FLAGS.W in segment:
                 flags_str[1] = "w"
 
-            if ELF.SEGMENT_FLAGS.PF_X in segment:
+            if ELF.SEGMENT_FLAGS.X in segment:
                 flags_str[2] = "x"
             flags_str = "".join(flags_str)
 

include/LIEF/ELF/EnumToString.hpp

@@ -45,6 +45,7 @@ DLL_PUBLIC const char* to_string(IDENTITY e);
 DLL_PUBLIC const char* to_string(SYMBOL_SECTION_INDEX e);
 DLL_PUBLIC const char* to_string(DYNAMIC_FLAGS e);
 DLL_PUBLIC const char* to_string(DYNAMIC_FLAGS_1 e);
+DLL_PUBLIC const char* to_string(SEGMENT_FLAGS e);
 
 DLL_PUBLIC const char* to_string(PPC64_EFLAGS e);
 DLL_PUBLIC const char* to_string(ARM_EFLAGS e);

src/ELF/EnumToString.cpp

@@ -1133,6 +1133,18 @@ const char* to_string(DYNAMIC_FLAGS_1 e) {
   return it == enum_strings_flags1.end() ? "UNDEFINED" : it->second;
 }
 
+const char* to_string(SEGMENT_FLAGS e) {
+  const std::map<SEGMENT_FLAGS, const char*> enum_strings {
+    { SEGMENT_FLAGS::PF_X, "X" },
+    { SEGMENT_FLAGS::PF_W, "W" },
+    { SEGMENT_FLAGS::PF_R, "R" },
+  };
+
+  auto   it  = enum_strings.find(e);
+  return it == enum_strings.end() ? "UNDEFINED" : it->second;
+}
+
+
 
 
 } // namespace ELF