From c536da7279563ea81d7e51a1e9853fe8ae70bc46 Mon Sep 17 00:00:00 2001
From: "Justin C. Miller" <justin@devjustinian.com>
Date: Thu, 23 Dec 2021 16:51:13 -0800
Subject: [PATCH] [boot] Save size of program in its module

Init will eventually want to know the full size of the program the
bootloader passed it, so save this off in the module_program struct.
---
 src/boot/loader.cpp     | 1 +
 src/include/init_args.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/boot/loader.cpp b/src/boot/loader.cpp
index 7c773c7..7a5df50 100644
--- a/src/boot/loader.cpp
+++ b/src/boot/loader.cpp
@@ -43,6 +43,7 @@ create_module(buffer data, const program_desc &desc, bool loaded)
     init::module_program *mod = g_alloc.allocate_module<init::module_program>(path_len);
     mod->mod_type = init::module_type::program;
     mod->base_address = reinterpret_cast<uintptr_t>(data.pointer);
+    mod->size = data.count;
     if (loaded)
         mod->mod_flags = static_cast<init::module_flags>(
             static_cast<uint8_t>(mod->mod_flags) |
diff --git a/src/include/init_args.h b/src/include/init_args.h
index acd10f5..fe6ffd4 100644
--- a/src/include/init_args.h
+++ b/src/include/init_args.h
@@ -34,6 +34,7 @@ struct module_program :
     public module
 {
     uintptr_t base_address;
+    size_t size;
     char filename[];
 };