145e9a0d27
Using wild match init_array* to include global array init ctor Before: 10 .ctors 00000040 ffff0000001e6b80 00000000401e6b80 DATA 11 .dtors 00000000 ffff0000001e6bc0 00000000401e6bc0 DATA 12 .got 00000060 ffff0000001e6bc0 00000000401e6bc0 DATA 13 .init_array.1 00000470 ffff0000001e6c20 00000000401e6c20 14 .fini_array.1 00000470 ffff0000001e7090 00000000401e7090 15 .dummy_post_data 00000000 ffff0000001e7500 00000000401e7500 DATA 16 .bss 00009460 ffff0000001e8000 00000000401e8000 BSS After: 10 .ctors 000004b0 ffff0000001e6b80 00000000401e6b80 DATA 11 .dtors 00000470 ffff0000001e7030 00000000401e7030 12 .got 00000060 ffff0000001e74a0 00000000401e74a0 DATA 13 .dummy_post_data 00000000 ffff0000001e7500 00000000401e7500 DATA 14 .bss 00009460 ffff0000001e8000 00000000401e8000 BSS Signed-off-by: Lei Wen <leiwen@asrmicro.com>
96 lines
2.2 KiB
Plaintext
96 lines
2.2 KiB
Plaintext
OUTPUT_FORMAT("elf%BITS%-littleriscv")
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/*
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* LK linker script for single segment binaries.
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*/
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PHDRS
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{
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code PT_LOAD FLAGS(5); /* PF_R|PF_X */
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rodata PT_LOAD FLAGS(4); /* PF_R */
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data PT_LOAD FLAGS(6); /* PF_R|PF_W */
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}
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ENTRY(_start)
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SECTIONS
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{
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. = %KERNEL_BASE% + %KERNEL_LOAD_OFFSET%;
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_start = .;
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__rom_start = .;
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/* text/read-only data */
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/* set the load address to physical MEMBASE */
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.text : AT(%MEMBASE% + %KERNEL_LOAD_OFFSET%) {
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KEEP(*(.text.boot))
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*(.text .text*)
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*(.gnu.linkonce.t.*)
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} :code
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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.rodata : {
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__rodata_start = .;
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*(.rodata .rodata.* .gnu.linkonce.r.*)
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} :rodata
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/* trick to force any extra sections to be emitted here */
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. = .;
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__rodata_end = .;
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__rom_end = . ;
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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__data_start_rom = .;
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.data : {
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__data_start = .;
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*(.data .data.* .gnu.linkonce.d.*)
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__ctor_list = .;
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KEEP(*(.ctors .init_array*))
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__ctor_end = .;
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__dtor_list = .;
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KEEP(*(.dtors .fini_array*))
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__dtor_end = .;
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*(.got*)
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*(.dynamic)
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} :data
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/* Try to put sdata and sbss near each other by putting sdata at the end of the data segment
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* and sbss at the start of the bss segment. This maximizes reach of things referenced off of
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* the global pointer. */
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.sdata : {
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__global_pointer$ = . + (4K / 2);
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*(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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}
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. = ALIGN(%BITS% / 8);
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__data_end = .;
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__bss_start = .;
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.sbss : {
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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*(.scommon)
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}
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/* uninitialized data (in same segment as writable data) */
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.bss : {
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/* regular bss */
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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}
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. = ALIGN(%BITS% / 8);
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__bss_end = .;
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/* Align the end to ensure anything after the kernel ends up on its own pages */
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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_end = .;
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. = %KERNEL_BASE% + %MEMSIZE%;
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_end_of_ram = .;
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/* Strip unnecessary stuff */
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/DISCARD/ : { *(.comment .note .eh_frame) }
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}
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