kmod: prepare for kernel module loading

kernel/src/dbg/export.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdint.h>
+
+// At Soaplin, we aren't doing module racism based on the license. (Ḭ̸̡̢̨̧̨̛͍͚̙̺̦̩͕̮̙̙̳̮͉̝̙̜͓̪͇̠̪̣̻̰͕̲̲̘̖̦͖͕͎̲̹͖̮̳̻̞̌͋̋̆͛̉͆ ̸̨͕͎̣̥͖͔̳̫̳͚̯̬̙̘͓̹̼̻̼̈̓̉ͅͅs̶̟͉̠̣̞͎͍̘̟̝̱̩̃͛̽͛̆͌̆̒̔̈́̎̿̐̈́͐̓̓͒͌̈̀̓͗̋̕͜͜͝͠͝͠ͅȩ̸̡̛͔̦̲̦̼̹̙̲͖͎̼̝̯̦̞̜͍̀̈́̈́͂̈́̍́̆̆̔͗́̆̀͑̀̔͆̄͐͐̆͠ę̸̨̢̢̧̛̛͕̱̯̲̦͕͖̦̝̯̮̤̫͙͔̲̬̯̗̗͈̬̳̙͙̼͉̩͚̼̮͚̖̰̗̤͓̘͂̾̒͋̀͂̏́̂̋̅̆̋̈̔̈́̀̔̈́̊̓͂͌̋̂́̍̀͒͊͊̓͌̃̚͘͜͝͠ ̸̧̡̧͍̼̹͇̞̘͇̯̞̣̝̲̳̦̟̱͇̥͈̟̝̹̳̫͕̜̬̥̯̬̟̤̖̹̙̩̰̈͗͆͌̊̽̾͝͝ͅy̵̡̡̢̞̭͔̰͔͔̖̥͕̙̳̯͍͉̦̦͓̥̞̝͖͕̰̼͖̲̮͚̲̜̰̱̘̯̤̌́̏̄̏́̈́̓ͅỡ̵̢̢̢̖̠͉̖̺̻̣̜̬̮͓̫͎͖͎̤̪̝̗̰͕͍͖̖̟͙͍̻̑͊̃̃̒̍̆̎̋̿͐̋̉̇̾͆̿̌̃̏̽̊̀͒̇̏̓̾̏̈́̓̿̏̚͠͝͝͝ͅu̸̧͕̟͉͉͖̰̝͕̞̪̖͙͙̅̒̅̂̑́,̶̢̡̡̧̛̲̬̞̘̻̗̩̫̗͓̪̬͚̗̖͕̰̣͙͍̯͇̩̭͎̖̝̬̻͖̟̩̙̩̝͓̤́̄̆̍̂̈̊̄͆̽̑̑̊̓̋͐̔̉̍͌̏̀̿͘͜͜͜ͅͅ ̴̢̛̛͈͚̳̣̮̬̲̲͈̮͓̭̗̈́̽̄͌̾̒́̔̌̐̽͋̓̄̉̆̑̃́̏̉̔̓̂̽̊͆̽̎̍̈͑́̌͑̍̕͘͘͝͠ͅL̵̙̯̦̬̱͍̣̹̱̝̓̒i̵̢̨̨̧̨̛̗̲͍͇̖̥̯͔̙̪̱͓̝̦̼̭̬̟̞̩̭͙̐̐͊̒͑̊͌̽̂̉͊̈́̌͒̆̐͐͒̉̀́̑́̅͛͐̕̕͝͝ͅͅņ̵̛͓̲͆̏̃̊̒̇̑̑̾̽͊̃͌̔́̌̈́̈́͛͆̒̀̿̎͒̑̃̈́̈́͂͐͂̕̚̕͘͜͠͠ư̸̧̯̤̲͚͖̯͖͈̠̽̏̈́̄̀͒̐̅̽̋̓̂̑̋̽͒̄̑̇̈́̆̈͛͆̿̈̉͆͗͊̎͂̇̽̋̅͊̀̚̚͝ś̶̛̗̥͇̖̠͓͆̀̅̓̓͆͆̐́̄͛̃͑̔̑̒͒͋͂̂́͋͂́͗̐͆̐̕͝͝͠)
+
+typedef struct {
+    const char* name;
+    uint64_t addr;
+    uint64_t size;
+} kernel_symbol_t;
+
+#define EXPORT_SYMBOL(sym) \
+    static const kernel_symbol_t __ksym_##sym \
+    __attribute__((section(".ksyms"), used)) = { \
+        .name = #sym, \
+        .addr = (uint64_t)&sym, \
+        .size = sizeof(sym) \
+    }
+
+extern const kernel_symbol_t __start_ksyms[];
+extern const kernel_symbol_t __stop_ksyms[];