we load the ELF correctly it seems!

main.cpp

@@ -1,11 +1,19 @@
 #include <print>
 #include <elfio/elfio.hpp>
+#include <cflags.hpp>
 #include <ircolib/mem_access.hpp>
+#include "mem.hpp"
 
 int main(int argc, char **argv) {
     ELFIO::elfio reader;
-    if (!reader.load("tests/application/application.elf"))
-        return 1;
+
+    weee::core::mem mem;
+
+    cflags::cflags flags;
+    flags.add_string_callback('\0', "elf", [&](const std::string &v) { reader.load(v); }, "ELF binary to load");
+
+    if (!flags.parse(argc, argv))
+        return -1;
 
     size_t sanity_bss_check_count = 0;
 
@@ -17,12 +25,6 @@ int main(int argc, char **argv) {
         if (segment->get_memory_size() == 0)
             continue;
 
-        if (segment->get_file_size() == 0) {
-            sanity_bss_check_count++;
-            if (sanity_bss_check_count > 1)
-                std::println("weee does not support multiple .bss segments");
-        }
-
         const bool exc = segment->get_flags() & ELFIO::PF_X;
         const bool rd = segment->get_flags() & ELFIO::PF_R;
         const bool wr = segment->get_flags() & ELFIO::PF_W;
@@ -30,6 +32,21 @@ int main(int argc, char **argv) {
         std::println("Segment {} {}{}{} @ 0x{:08X} -> 0x{:08X}", segment->get_index(), rd ? 'R' : '_', wr ? 'W' : '_',
                      exc ? 'X' : '_', segment->get_virtual_address(),
                      segment->get_virtual_address() + segment->get_memory_size() - 1);
+
+        if (segment->get_file_size() == 0) {
+            sanity_bss_check_count++;
+            if (sanity_bss_check_count > 1) {
+                std::println("weee does not support multiple .bss segments");
+                return -2;
+            }
+
+            // .bss we zero out
+            mem.set(0, segment->get_memory_size(), segment->get_virtual_address() & 0x0FFFFFFF);
+            continue;
+        }
+
+        mem.copy((const ircolib::u8 *)segment->get_data(), segment->get_file_size(),
+                 segment->get_virtual_address() & 0x0FFFFFFF);
     }
 
     return 0;