kernel: constructor support

[safe/jmp/linux-2.6] / include / linux / init.h

diff --git a/include/linux/init.h b/include/linux/init.h
index 0c12646..13b633e 100644 (file)
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -29,7 +29,7 @@
  * sign followed by value, e.g.:
  *
  * static int init_variable __initdata = 0;
- * static char linux_logo[] __initdata = { 0x32, 0x36, ... };
+ * static const char linux_logo[] __initconst = { 0x32, 0x36, ... };
  *
  * Don't forget to initialize data not at file scope, i.e. within a function,
  * as gcc otherwise puts the data into the bss section and not into the init
@@ -60,14 +60,6 @@
 #define __refdata        __section(.ref.data)
 #define __refconst       __section(.ref.rodata)
 
-/* backward compatibility note
- *  A few places hardcode the old section names:
- *  .text.init.refok
- *  .data.init.refok
- *  .exit.text.refok
- *  They should be converted to use the defines from this file
- */
-
 /* compatibility defines */
 #define __init_refok     __ref
 #define __initdata_refok __refdata
@@ -112,21 +104,25 @@
 #define __FINIT                .previous
 
 #define __INITDATA     .section        ".init.data","aw"
+#define __INITRODATA   .section        ".init.rodata","a"
 #define __FINITDATA    .previous
 
 #define __DEVINIT        .section      ".devinit.text", "ax"
 #define __DEVINITDATA    .section      ".devinit.data", "aw"
+#define __DEVINITRODATA  .section      ".devinit.rodata", "a"
 
 #define __CPUINIT        .section      ".cpuinit.text", "ax"
 #define __CPUINITDATA    .section      ".cpuinit.data", "aw"
+#define __CPUINITRODATA  .section      ".cpuinit.rodata", "a"
 
 #define __MEMINIT        .section      ".meminit.text", "ax"
 #define __MEMINITDATA    .section      ".meminit.data", "aw"
+#define __MEMINITRODATA  .section      ".meminit.rodata", "a"
 
 /* silence warnings when references are OK */
 #define __REF            .section       ".ref.text", "ax"
 #define __REFDATA        .section       ".ref.data", "aw"
-#define __REFCONST       .section       ".ref.rodata", "aw"
+#define __REFCONST       .section       ".ref.rodata", "a"
 
 #ifndef __ASSEMBLY__
 /*
@@ -138,6 +134,9 @@ typedef void (*exitcall_t)(void);
 extern initcall_t __con_initcall_start[], __con_initcall_end[];
 extern initcall_t __security_initcall_start[], __security_initcall_end[];
 
+/* Used for contructor calls. */
+typedef void (*ctor_fn_t)(void);
+
 /* Defined in init/main.c */
 extern int do_one_initcall(initcall_t fn);
 extern char __initdata boot_command_line[];
@@ -227,7 +226,8 @@ struct obs_kernel_param {
  * obs_kernel_param "array" too far apart in .init.setup.
  */
 #define __setup_param(str, unique_id, fn, early)                       \
-       static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \
+       static const char __setup_str_##unique_id[] __initconst \
+               __aligned(1) = str; \
        static struct obs_kernel_param __setup_##unique_id      \
                __used __section(.init.setup)                   \
                __attribute__((aligned((sizeof(long)))))        \
@@ -243,6 +243,7 @@ struct obs_kernel_param {
 
 /* Relies on boot_command_line being set */
 void __init parse_early_param(void);
+void __init parse_early_options(char *cmdline);
 #endif /* __ASSEMBLY__ */
 
 /**