update and fix the linker (#140)

crates/integration/codesize.json

@@ -1,10 +1,10 @@
 {
-  "Baseline": 1099,
-  "Computation": 2378,
-  "DivisionArithmetics": 14454,
-  "ERC20": 22731,
-  "Events": 1593,
-  "FibonacciIterative": 1643,
-  "Flipper": 1978,
-  "SHA1": 16801
+  "Baseline": 1110,
+  "Computation": 2389,
+  "DivisionArithmetics": 14822,
+  "ERC20": 23973,
+  "Events": 1605,
+  "FibonacciIterative": 2023,
+  "Flipper": 1989,
+  "SHA1": 17026
 }

crates/linker/src/lib.rs

@@ -57,6 +57,7 @@ pub fn link<T: AsRef<[u8]>>(input: T) -> anyhow::Result<Vec<u8>> {
         "--relocatable",
         "--emit-relocs",
         "--no-relax",
+        "--unique",
         "--gc-sections",
         "--library-path",
         dir.path().to_str().expect("should be utf8"),

crates/llvm-context/src/polkavm/context/function/runtime/immutable_data_load.rs

@@ -27,7 +27,7 @@ where
             runtime::FUNCTION_LOAD_IMMUTABLE_DATA,
             context.void_type().fn_type(Default::default(), false),
             0,
-            Some(inkwell::module::Linkage::Private),
+            Some(inkwell::module::Linkage::External),
         )?;
 
         Ok(())

crates/llvm-context/src/polkavm/context/global.rs

@@ -37,7 +37,7 @@ impl<'ctx> Global<'ctx> {
             .add_global(r#type, Some(address_space.into()), name);
         let global = Self { r#type, value };
 
-        global.value.set_linkage(inkwell::module::Linkage::Private);
+        global.value.set_linkage(inkwell::module::Linkage::External);
         global
             .value
             .set_visibility(inkwell::GlobalVisibility::Default);

crates/solidity/src/evmla/ethereal_ir/function/mod.rs

@@ -1163,7 +1163,7 @@ where
             self.name.as_str(),
             function_type,
             output_size,
-            Some(inkwell::module::Linkage::Private),
+            Some(inkwell::module::Linkage::External),
         )?;
         function
             .borrow_mut()

crates/solidity/src/yul/parser/statement/function_definition.rs

@@ -211,7 +211,7 @@ where
             self.identifier.as_str(),
             function_type,
             self.result.len(),
-            Some(inkwell::module::Linkage::Private),
+            Some(inkwell::module::Linkage::External),
         )?;
         revive_llvm_context::PolkaVMFunction::set_attributes(
             context.llvm(),