gcc is rather over-aggressive about optimising out static data structures

even when __atribute__ (( unused )) is correctly set...

src/arch/i386/core/video_subr.c

@@ -12,7 +12,7 @@
 #include "init.h"
 #include "vga.h"
 
-static struct console_driver vga_console;
+struct console_driver vga_console;
 
 static char *vidmem;		/* The video buffer */
 static int video_line, video_col;
@@ -94,7 +94,7 @@ static void vga_putc(int byte)
 	write_crtc((video_col + (video_line *COLS)) & 0x0ff, CRTC_CURSOR_LO);
 }
 
-static struct console_driver vga_console __console_driver = {
+struct console_driver vga_console __console_driver = {
 	.putchar = vga_putc,
 	.disabled = 1,
 };

src/arch/i386/firmware/pcbios/bios_console.c

@@ -68,7 +68,7 @@ static int bios_iskey ( void ) {
 	return ( ( flags & ZF ) == 0 );
 }
 
-static struct console_driver bios_console __console_driver = {
+struct console_driver bios_console __console_driver = {
 	.putchar = bios_putchar,
 	.getchar = bios_getchar,
 	.iskey = bios_iskey,

src/arch/i386/image/nbi.c

@@ -404,7 +404,7 @@ static int nbi_boot ( void *context ) {
 }
 
 /** Declaration of the NBI image format */
-static struct image nbi_image __image = {
+struct image nbi_image __image = {
 	.name	= "NBI",
 	.probe	= nbi_probe,
 	.load	= nbi_load,

src/arch/i386/include/relocate.h

@@ -15,10 +15,10 @@ struct post_reloc_fn {
 #define POST_RELOC_LIBRM	00
 
 /* Macro for creating a post-relocation function table entry */
-#define POST_RELOC_FN( order, post_reloc_func )				      \
-	static struct post_reloc_fn PREFIX_OBJECT(post_reloc_fn__)	      \
-	    __table ( post_reloc_fn, order ) = {			      \
-		.post_reloc = post_reloc_func,				      \
+#define POST_RELOC_FN( order, post_reloc_func )			\
+	struct post_reloc_fn PREFIX_OBJECT(post_reloc_fn__)	\
+	    __table ( post_reloc_fn, order ) = {		\
+		.post_reloc = post_reloc_func,			\
 	};
 
 #endif