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u-boot
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x86: Rearrange linker script 

Tidy up the linker script and discard some sections to save space
This commit is contained in:
Graeme Russ 2010-10-07 20:03:32 +11:00
parent 067f9b1071
commit 2219142658
2 changed files with 32 additions and 34 deletions
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5
arch/i386/lib/board.c
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@ -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;

61
board/eNET/u-boot.lds
View File

@ -29,51 +29,48 @@ 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) }
. = ALIGN(4);
.interp : { *(.interp) }
. = ALIGN(4);
.dynsym : { *(.dynsym) }
. = ALIGN(4);
.dynstr : { *(.dynstr) }
. = ALIGN(4);
.hash : { *(.hash) }
. = ALIGN(4);
.got : { *(.got) }
. = ALIGN(4);
.got.plt : { *(.got.plt) }
. = ALIGN(4);
.dynamic (NOLOAD) : { *(.dynamic) }
. = ALIGN(4);
__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);
.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
. = ALIGN(4);
.data : { *(.data*) }
. = ALIGN(4);
.dynsym : { *(.dynsym*) }
. = ALIGN(4);
.hash : { *(.hash*) }
. = ALIGN(4);
.got : { *(.got*) }
. = ALIGN(4);
__data_end = .;
. = ALIGN(4);
__bss_start = ABSOLUTE(.);
.bss (NOLOAD) : { *(.bss) }
__bss_size = SIZEOF(.bss);
. = ALIGN(4);
__rel_dyn_start = .;
.rel.dyn : { *(.rel.dyn) }
__rel_dyn_end = .;
/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)) }