From 5756e35dfd64e6583835c870d4051f091b333ab6 Mon Sep 17 00:00:00 2001
From: Prakxo <lycos2003@gmail.com>
Date: Mon, 21 Aug 2023 16:34:39 +0200
Subject: [PATCH] link executor

---
 config/rel_slices.yml           |  4 +++
 include/executor.h              | 10 ++++++++
 include/main.h                  |  2 ++
 rel/executor.c                  | 44 +++++++++++++++++++++++++++++++++
 src/dolphin/__ppc_eabi_init.cpp |  9 ++-----
 5 files changed, 62 insertions(+), 7 deletions(-)
 create mode 100644 include/executor.h
 create mode 100644 rel/executor.c

diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index ce43852b..17da8bbf 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -1,3 +1,7 @@
+executor.c:
+    .text: [0x803702A8, 0x803703F8]
+    .data: [0x8064D500, 0x8064D580]
+    .bss: [0x8125A7C0, 0x8125A7C8]
 sys_vimgr.c:
     .text: [0x803703F8, 0x80370418]
 c_keyframe.c:
diff --git a/include/executor.h b/include/executor.h
new file mode 100644
index 00000000..63d898d1
--- /dev/null
+++ b/include/executor.h
@@ -0,0 +1,10 @@
+#ifndef EXECUTOR_H
+#define EXECUTOR_H
+
+#include "types.h"
+
+void _prolog();
+void _epilog();
+void _unresolved();
+
+#endif
diff --git a/include/main.h b/include/main.h
index 53341f03..d395446c 100644
--- a/include/main.h
+++ b/include/main.h
@@ -20,6 +20,8 @@ extern int ScreenHeight;
 extern OSThread graphThread;
 extern u8 SegmentBaseAddress[0x40];
 
+void foresta_main();
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/rel/executor.c b/rel/executor.c
new file mode 100644
index 00000000..c91871cb
--- /dev/null
+++ b/rel/executor.c
@@ -0,0 +1,44 @@
+#include "executor.h"
+
+#include "dolphin/os/__ppc_eabi_init.h"
+#include "dolphin/os.h"
+#include "dolphin/os/OSContext.h"
+#include "terminal.h"
+#include "main.h"
+
+BOOL construct_skip;
+
+void _prolog() {
+    voidfunctionptr *constructor;
+
+    /* call static initializers */
+    if (!construct_skip) {
+        for (constructor = _ctors; *constructor; constructor++) {
+            (*constructor)();
+        }
+    }
+    foresta_main();
+}
+
+void _epilog() {
+  voidfunctionptr *destructor;
+
+  /* call static destructors */
+  for (destructor = _dtors; *destructor; destructor++) {
+    (*destructor)();
+  }
+}
+
+void _unresolved() {
+  u32 i;
+  u32* p;
+
+  OSReport(VT_COL(RED, WHITE) "\nError: A called an unlinked function.\n");
+  OSReport("Address:      Back Chain    LR Save\n");
+
+  for (i = 0, p = (u32*)OSGetStackPointer(); p && (u32)p != 0xffffffff && i++ < 16; p = (u32*)*p) {
+    OSReport("0x%08x:   0x%08x    0x%08x\n", p, p[0], p[1]);
+  }
+
+  OSReport("\n" VT_RST "\n");
+}
\ No newline at end of file
diff --git a/src/dolphin/__ppc_eabi_init.cpp b/src/dolphin/__ppc_eabi_init.cpp
index 931164e9..93b67f0e 100644
--- a/src/dolphin/__ppc_eabi_init.cpp
+++ b/src/dolphin/__ppc_eabi_init.cpp
@@ -1,17 +1,13 @@
 #include "types.h"
 #include "dolphin/os.h"
 #include "dolphin/PPCArch.h"
-
+#include "dolphin/os/__ppc_eabi_init.h"
 #ifdef __cplusplus
 extern "C" {
 #endif
-typedef void (*voidfunctionptr)(void); // pointer to function returning void
-__declspec(section ".ctors") extern voidfunctionptr _ctors[];
-__declspec(section ".dtors") extern voidfunctionptr _dtors[];
 
 static void __init_cpp(void);
 
-// clang-format off
 __declspec(section ".init") asm void __init_hardware(void) {
     nofralloc
     mfmsr r0
@@ -24,7 +20,7 @@ __declspec(section ".init") asm void __init_hardware(void) {
     blr
 }
 
-__declspec(section ".init") asm void __flush_cache(void) {
+__declspec(section ".init") asm void __flush_cache(void*, size_t) {
 	nofralloc
 	lis r5, 0xFFFFFFF1@h
 	ori r5, r5, 0xFFFFFFF1@l
@@ -41,7 +37,6 @@ loop:
 	isync 
 	blr
 }
-// clang-format on
 
 
 void __init_user(void) { __init_cpp(); }