[U-Boot] [PATCH 17/19] x86: Rearrange linker script

[Graeme Russ]

Tidy up the linker script and discard some sections to save space

Signed-off-by: Graeme Russ <graeme.r...@gmail.com>
---
 arch/i386/lib/board.c |    5 +++--
 board/eNET/u-boot.lds |   39 ++++++++++++++++++---------------------
 2 files changed, 21 insertions(+), 23 deletions(-)

diff --git a/arch/i386/lib/board.c b/arch/i386/lib/board.c
index e7a363d..3e89ef4 100644
--- a/arch/i386/lib/board.c
+++ b/arch/i386/lib/board.c
@@ -49,6 +49,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 /* Exports from the Linker Script */
 extern ulong __text_start;
+extern ulong __data_end;
 extern ulong __rel_dyn_start;
 extern ulong __rel_dyn_end;
 extern ulong __bss_start;
@@ -170,7 +171,7 @@ gd_t *gd;
 void board_init_f (ulong gdp)
 {
        void *text_start = &__text_start;
-       void *u_boot_cmd_end = &__u_boot_cmd_end;
+       void *data_end = &__data_end;
        Elf32_Rel *rel_dyn_start = (Elf32_Rel *)&__rel_dyn_start;
        Elf32_Rel *rel_dyn_end = (Elf32_Rel *)&__rel_dyn_end;
        void *bss_start = &__bss_start;
@@ -181,7 +182,7 @@ void board_init_f (ulong gdp)
        ulong rel_offset;
        Elf32_Rel *re;
 
-       uboot_size = (ulong)u_boot_cmd_end - (ulong)text_start;
+       uboot_size = (ulong)data_end - (ulong)text_start;
        dest_addr  = (void *)gdp - (uboot_size + (ulong)bss_size);
        rel_offset = text_start - dest_addr;
 
diff --git a/board/eNET/u-boot.lds b/board/eNET/u-boot.lds
index ef5d941..3c52010 100644
--- a/board/eNET/u-boot.lds
+++ b/board/eNET/u-boot.lds
@@ -29,50 +29,47 @@ SECTIONS
 {
        . = TEXT_BASE;          /* Location of bootcode in flash */
        __text_start = .;
-       .text  : { *(.text); }
+       .text  : { *(.text*); }
 
        . = ALIGN(4);
-       .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
-       . = ALIGN(4);
-
-       .data : { *(.data) }
+       __u_boot_cmd_start = .;
+       .u_boot_cmd : { *(.u_boot_cmd) }
        . = ALIGN(4);
+       __u_boot_cmd_end = .;
 
-       .interp : { *(.interp) }
        . = ALIGN(4);
+       .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
 
-       .dynsym : { *(.dynsym) }
        . = ALIGN(4);
+       .data : { *(.data*) }
 
-       .dynstr : { *(.dynstr) }
        . = ALIGN(4);
+       .dynsym : { *(.dynsym*) }
 
-       .hash : { *(.hash) }
        . = ALIGN(4);
+       .hash : { *(.hash*) }
 
-       .got : { *(.got) }
        . = ALIGN(4);
+       .got : { *(.got*) }
 
-       .got.plt : { *(.got.plt) }
        . = ALIGN(4);
+       __data_end = .;
 
-       .dynamic (NOLOAD) : { *(.dynamic) }
        . = ALIGN(4);
+       __bss_start = ABSOLUTE(.);
+       .bss (NOLOAD) : { *(.bss) }
+       __bss_size = SIZEOF(.bss);
 
-       __u_boot_cmd_start = .;
-       .u_boot_cmd : { *(.u_boot_cmd) }
        . = ALIGN(4);
-       __u_boot_cmd_end = .;
-
        __rel_dyn_start = .;
        .rel.dyn : { *(.rel.dyn) }
        __rel_dyn_end = .;
 
-       . = ALIGN(4);
-       __bss_start = ABSOLUTE(.);
-       .bss (NOLOAD) : { *(.bss) }
-       __bss_size = SIZEOF(.bss);
+       /DISCARD/ : { *(.dynstr*) }
+       /DISCARD/ : { *(.dynamic*) }
+       /DISCARD/ : { *(.plt*) }
+       /DISCARD/ : { *(.interp*) }
+       /DISCARD/ : { *(.gnu*) }
 
        /* 16bit realmode trampoline code */
        .realmode 0x7c0 : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { 
KEEP(*(.realmode)) }
-- 
1.7.1.422.g049e9

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