Fix alignment issue

haxcc.h

@@ -1,17 +1,20 @@
 #ifndef HAXCC_H
 #define HAXCC_H
 
-#define HAX_MOD(name) \
-    static const struct mod name __attribute__((used, section("__haxmod")))
 
 typedef int (*init_fn)(void);
 typedef int (*done_fn)(void);
 
 typedef struct mod {
+    char const* name;
+    int priority;
     init_fn init;
     done_fn done;
 } mod;
 
+#define HAX_MOD(name) \
+    static const struct mod name __attribute__((used, section("__haxmod"), aligned(__alignof__(struct mod))))
+
 mod* mod_begin(void);
 mod* mod_end(void);
 

hello.cpp

@@ -9,7 +9,9 @@ auto main() -> int {
     std::printf("begin: %p, end: %p, len: %lu\n", (void*)mod_begin(), (void*)mod_end(), ((long)mod_end() - (long)mod_begin()) / sizeof(mod));
     std::printf("\n");
 
-    for (auto* it = mod_begin(); it != mod_end(); ++it) {
+    for (auto* it = mod_begin(); it < mod_end(); ++it) {
+        // std::printf("%lu: %lu\n", sizeof(mod), (long)it - (long)mod_begin());
+        std::printf("%s [%d]: ",  it->name, it->priority);
         it->init();
     }
 
@@ -18,6 +20,7 @@ auto main() -> int {
     std::printf("\n");
 
     for (auto* it = mod_begin(); it != mod_end(); ++it) {
+        std::printf("%s [%d]: ",  it->name, it->priority);
         it->done();
     }
     return 0;

meson.build

@@ -17,6 +17,7 @@ executable(
     'haxcc.c',
     'mods/mod_a.c',
     'mods/mod_b.c',
+    'mods/mod_c.c',
   ],
   link_args: ['-Wl,-T',  meson.source_root() / ldscript, '-no-pie' ],
   install : false

mods/mod_a.c

@@ -2,17 +2,19 @@
 
 #include <stdio.h>
 
-int mod_a_init(void) {
+static int init(void) {
     printf("module a init\n");
     return 0;
 }
 
-int mod_a_done(void) {
+static int done(void) {
     printf("module a done\n");
     return 0;
 }
 
 HAX_MOD(mod_a) = {
-    .init = mod_a_init,
-    .done = mod_a_done
+    .name = "a",
+    .priority = 0,
+    .init = init,
+    .done = done
 };

mods/mod_b.c

@@ -2,17 +2,19 @@
 
 #include <stdio.h>
 
-static int mod_b_init(void) {
+static int init(void) {
     printf("top kek MODB!\n");
     return 0;
 }
 
-static int mod_b_done(void) {
+static int done(void) {
     printf("MODB do be done!\n");
     return 0;
 }
 
 HAX_MOD(mod_b) = {
-    .init = mod_b_init,
-    .done = mod_b_done
+    .name = "b",
+    .priority = 3,
+    .init = init,
+    .done = done
 };

mods/mod_c.c

@@ -0,0 +1,20 @@
+#include "haxcc.h"
+
+#include <stdio.h>
+
+static int init(void) {
+    printf("top kek!\n");
+    return 0;
+}
+
+static int done(void) {
+    printf("meow !\n");
+    return 0;
+}
+
+HAX_MOD(mod_c) = {
+    .name = "c",
+    .priority = 2,
+    .init = init,
+    .done = done
+};