From 93e2cd20348d46d51cb6cab5353962afeb1a22c6 Mon Sep 17 00:00:00 2001
From: Evan Lojewski <github@meklort.com>
Date: Thu, 1 Oct 2020 17:58:23 -0600
Subject: utils: Disable RTTI and exception to reduce utility compile size.
 (#122)

---
 libs/elfio/elfio/elfio_section.hpp | 41 +++++++++++++++++++-------------------
 libs/elfio/elfio/elfio_segment.hpp | 14 +++++--------
 2 files changed, 26 insertions(+), 29 deletions(-)

(limited to 'libs')

diff --git a/libs/elfio/elfio/elfio_section.hpp b/libs/elfio/elfio/elfio_section.hpp
index 43c41f4..e02b06b 100644
--- a/libs/elfio/elfio/elfio_section.hpp
+++ b/libs/elfio/elfio/elfio_section.hpp
@@ -66,7 +66,7 @@ class section
   protected:
     ELFIO_SET_ACCESS_DECL( Elf64_Off, offset );
     ELFIO_SET_ACCESS_DECL( Elf_Half,  index  );
-    
+
     virtual void load( std::istream&  stream,
                        std::streampos header_offset ) = 0;
     virtual void save( std::ostream&  stream,
@@ -158,17 +158,18 @@ class section_impl : public section
     {
         if ( get_type() != SHT_NOBITS ) {
             delete [] data;
-            try {
-                data = new char[size];
-            } catch (const std::bad_alloc&) {
-                data      = 0;
-                data_size = 0;
-                size      = 0;
-            }
+            data = new char[size];
+
             if ( 0 != data && 0 != raw_data ) {
                 data_size = size;
                 std::copy( raw_data, raw_data + size, data );
             }
+            else
+            {
+                data_size = 0;
+                size      = 0;
+            }
+
         }
 
         set_size( size );
@@ -192,18 +193,18 @@ class section_impl : public section
             else {
                 data_size = 2*( data_size + size);
                 char* new_data;
-                try {
-                    new_data = new char[data_size];
-                } catch (const std::bad_alloc&) {
-                    new_data = 0;
-                    size     = 0;
-                }
+                new_data = new char[data_size];
                 if ( 0 != new_data ) {
                     std::copy( data, data + get_size(), new_data );
                     std::copy( raw_data, raw_data + size, new_data + get_size() );
                     delete [] data;
                     data = new_data;
                 }
+                else
+                {
+                    size     = 0;
+                }
+
             }
             set_size( get_size() + size );
         }
@@ -244,12 +245,7 @@ class section_impl : public section
 
         Elf_Xword size = get_size();
         if ( 0 == data && SHT_NULL != get_type() && SHT_NOBITS != get_type() && size < get_stream_size()) {
-            try {
-                data = new char[size + 1];
-            } catch (const std::bad_alloc&) {
-                data      = 0;
-                data_size = 0;
-            }
+            data = new char[size + 1];
 
             if ( ( 0 != size ) && ( 0 != data ) ) {
                 stream.seekg( (*convertor)( header.sh_offset ) );
@@ -257,6 +253,11 @@ class section_impl : public section
                 data[size] = 0; // Ensure data is ended with 0 to avoid oob read
                 data_size = size;
             }
+            else
+            {
+                data_size = 0;
+            }
+
         }
     }
 
diff --git a/libs/elfio/elfio/elfio_segment.hpp b/libs/elfio/elfio/elfio_segment.hpp
index 642fd29..f27b395 100644
--- a/libs/elfio/elfio/elfio_segment.hpp
+++ b/libs/elfio/elfio/elfio_segment.hpp
@@ -54,7 +54,7 @@ class segment
   protected:
     ELFIO_SET_ACCESS_DECL( Elf64_Off, offset );
     ELFIO_SET_ACCESS_DECL( Elf_Half,  index  );
-    
+
     virtual const std::vector<Elf_Half>& get_sections() const               = 0;
     virtual void load( std::istream& stream, std::streampos header_offset ) = 0;
     virtual void save( std::ostream& stream, std::streampos header_offset,
@@ -101,7 +101,7 @@ class segment_impl : public segment
     }
 
 //------------------------------------------------------------------------------
-    void 
+    void
     set_stream_size(size_t value)
     {
        stream_size = value;
@@ -177,7 +177,7 @@ class segment_impl : public segment
     {
         return sections;
     }
-    
+
 //------------------------------------------------------------------------------
     void
     set_index( Elf_Half value )
@@ -206,12 +206,8 @@ class segment_impl : public segment
                 data = 0;
             }
             else {
-                try {
-                    data = new char[size + 1];
-                } catch (const std::bad_alloc&) {
-                    data = 0;
-                }
-            
+                data = new char[size + 1];
+
                 if ( 0 != data ) {
                     stream.read( data, size );
                     data[size] = 0;
-- 
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