x86: Rearrange the output input to remove BSS

At present BSS data is including in the image, which wastes binary space.
Remove it by rearranging the sections so that BSS is last.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds
index 8e185f3..54f2fb7 100644 (file)
--- a/arch/x86/cpu/u-boot.lds
+++ b/arch/x86/cpu/u-boot.lds
@@ -46,9 +46,6 @@ SECTIONS
        .data : { *(.data*) }
 
        . = ALIGN(4);
-       .dynsym : { *(.dynsym*) }
-
-       . = ALIGN(4);
        .hash : { *(.hash*) }
 
        . = ALIGN(4);
@@ -58,10 +55,7 @@ SECTIONS
        __data_end = .;
 
        . = ALIGN(4);
-       __bss_start = ABSOLUTE(.);
-       .bss (NOLOAD) : { *(.bss) }
-       . = ALIGN(4);
-       __bss_end = ABSOLUTE(.);
+       .dynsym : { *(.dynsym*) }
 
        . = ALIGN(4);
        __rel_dyn_start = .;
@@ -70,6 +64,17 @@ SECTIONS
        . = ALIGN(4);
        _end = .;
 
+       . = ALIGN(4);
+
+       __end = .;
+       .bss __rel_dyn_start (OVERLAY) : {
+               __bss_start = .;
+               *(.bss)
+               *(COM*)
+               . = ALIGN(4);
+               __bss_end = .;
+       }
+
        /DISCARD/ : { *(.dynstr*) }
        /DISCARD/ : { *(.dynamic*) }
        /DISCARD/ : { *(.plt*) }