aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/boot/compressed/ld.script
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/boot/compressed/ld.script')
-rw-r--r--arch/mips/boot/compressed/ld.script195
1 files changed, 56 insertions, 139 deletions
diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script
index 29e9f4c0d5d..613a35b02f5 100644
--- a/arch/mips/boot/compressed/ld.script
+++ b/arch/mips/boot/compressed/ld.script
@@ -1,150 +1,67 @@
+/*
+ * ld.script for compressed kernel support of MIPS
+ *
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin <wuzj@lemote.com>
+ */
+
OUTPUT_ARCH(mips)
ENTRY(start)
SECTIONS
{
- /* Read-only sections, merged into text segment: */
- .init : { *(.init) } =0
- .text :
- {
- _ftext = . ;
- *(.text)
- *(.rodata)
- *(.rodata1)
- /* .gnu.warning sections are handled specially by elf32.em. */
- *(.gnu.warning)
- } =0
- .kstrtab : { *(.kstrtab) }
-
- . = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- __start___dbe_table = .; /* Exception table for data bus errors */
- __dbe_table : { *(__dbe_table) }
- __stop___dbe_table = .;
-
- __start___ksymtab = .; /* Kernel symbol table */
- __ksymtab : { *(__ksymtab) }
- __stop___ksymtab = .;
-
- _etext = .;
-
- . = ALIGN(8192);
- .data.init_task : { *(.data.init_task) }
-
- /* Startup code */
- . = ALIGN(4096);
- __init_begin = .;
- .text.init : { *(.text.init) }
- .data.init : { *(.data.init) }
- . = ALIGN(16);
- __setup_start = .;
- .setup.init : { *(.setup.init) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : { *(.initcall.init) }
- __initcall_end = .;
- . = ALIGN(4096); /* Align double page for init_task_union */
- __init_end = .;
-
- . = ALIGN(4096);
- .data.page_aligned : { *(.data.idt) }
-
- . = ALIGN(32);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) }
+ /* . = VMLINUZ_LOAD_ADDRESS */
+ /* read-only */
+ _text = .; /* Text and read-only data */
+ .text : {
+ _ftext = . ;
+ *(.text)
+ *(.rodata)
+ } = 0
+ _etext = .; /* End of text section */
- .fini : { *(.fini) } =0
- .reginfo : { *(.reginfo) }
- /* Adjust the address for the data segment. We want to adjust up to
- the same address within the page on the next page up. It would
- be more correct to do this:
- . = .;
- The current expression does not correctly handle the case of a
- text segment ending precisely at the end of a page; it causes the
- data segment to skip a page. The above expression does not have
- this problem, but it will currently (2/95) cause BFD to allocate
- a single segment, combining both text and data, for this case.
- This will prevent the text segment from being shared among
- multiple executions of the program; I think that is more
- important than losing a page of the virtual address space (note
- that no actual memory is lost; the page which is skipped can not
- be referenced). */
- . = .;
- .data :
- {
- _fdata = . ;
- *(.data)
+ /* writable */
+ .data : { /* Data */
+ _fdata = . ;
+ *(.data)
+ /* Put the compressed image here, so bss is on the end. */
+ __image_begin = .;
+ *(.image)
+ __image_end = .;
+ CONSTRUCTORS
+ }
+ .sdata : { *(.sdata) }
+ . = ALIGN(4);
+ _edata = .; /* End of data section */
- /* Put the compressed image here, so bss is on the end. */
- __image_begin = .;
- *(.image)
- __image_end = .;
- /* Align the initial ramdisk image (INITRD) on page boundaries. */
- . = ALIGN(4096);
- __ramdisk_begin = .;
- *(.initrd)
- __ramdisk_end = .;
- . = ALIGN(4096);
+ /* BSS */
+ __bss_start = .;
+ _fbss = .;
+ .sbss : { *(.sbss) *(.scommon) }
+ .bss : {
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ . = ALIGN(4);
+ _end = . ;
- CONSTRUCTORS
- }
- .data1 : { *(.data1) }
- _gp = . + 0x8000;
- .lit8 : { *(.lit8) }
- .lit4 : { *(.lit4) }
- .ctors : { *(.ctors) }
- .dtors : { *(.dtors) }
- .got : { *(.got.plt) *(.got) }
- .dynamic : { *(.dynamic) }
- /* We want the small data sections together, so single-instruction offsets
- can access them all, and initialized data all before uninitialized, so
- we can shorten the on-disk segment size. */
- .sdata : { *(.sdata) }
- . = ALIGN(4);
- _edata = .;
- PROVIDE (edata = .);
+ /* These are needed for ELF backends which have not yet been converted
+ * to the new style linker. */
- __bss_start = .;
- _fbss = .;
- .sbss : { *(.sbss) *(.scommon) }
- .bss :
- {
- *(.dynbss)
- *(.bss)
- *(COMMON)
- . = ALIGN(4);
- _end = . ;
- PROVIDE (end = .);
- }
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
- /* Sections to be discarded */
- /DISCARD/ :
- {
- *(.text.exit)
- *(.data.exit)
- *(.exitcall.exit)
- }
+ /* These must appear regardless of . */
+ .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
+ .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
- /* This is the MIPS specific mdebug section. */
- .mdebug : { *(.mdebug) }
- /* These are needed for ELF backends which have not yet been
- converted to the new style linker. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- /* DWARF debug sections.
- Symbols in the .debug DWARF section are relative to the beginning of the
- section so we begin .debug at 0. It's not clear yet what needs to happen
- for the others. */
- .debug 0 : { *(.debug) }
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- .line 0 : { *(.line) }
- /* These must appear regardless of . */
- .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
- .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
- .comment : { *(.comment) }
- .note : { *(.note) }
+ /* Sections to be discarded */
+ /DISCARD/ : {
+ *(.MIPS.options)
+ *(.options)
+ *(.pdr)
+ *(.reginfo)
+ *(.comment)
+ *(.note)
+ }
}