Fennix/Kernel
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Rewrite the linker script

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This commit is contained in:
Alex
2023-05-08 05:15:56 +03:00
parent 6916eb7537
commit 404be92d43
3 changed files with 107 additions and 29 deletions
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64
Architecture/amd64/linker.ld
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@ -20,55 +20,83 @@ OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
PF_R = 0x4;
PF_W = 0x2;
PF_X = 0x1;
PHDRS
{
bootstrap PT_LOAD FLAGS( PF_R | PF_W /*| PF_X*/ );
text PT_LOAD FLAGS( PF_R | PF_X );
data PT_LOAD FLAGS( PF_R | PF_W );
rodata PT_LOAD FLAGS( PF_R );
bss PT_LOAD FLAGS( PF_R | PF_W );
}
KERNEL_VMA = 0xFFFFFFFF80000000;
SECTIONS
{
. = 0xffffffff80000000;
. = 0x100000;
_bootstrap_start = .;
.bootstrap :
{
*(.bootstrap .bootstrap.*)
} :bootstrap
. += CONSTANT(MAXPAGESIZE);
_bootstrap_end = ALIGN(CONSTANT(MAXPAGESIZE));
_kernel_start = .;
.text :
. += KERNEL_VMA;
_kernel_start = ALIGN(CONSTANT(MAXPAGESIZE));
_kernel_text_start = ALIGN(CONSTANT(MAXPAGESIZE));
.text : AT(ADDR(.text) - KERNEL_VMA)
{
*(.text .text.*)
}
_kernel_text_end = ALIGN(CONSTANT(MAXPAGESIZE));
} :text
. += CONSTANT(MAXPAGESIZE);
_kernel_text_end = ALIGN(CONSTANT(MAXPAGESIZE));
.data :
_kernel_data_start = ALIGN(CONSTANT(MAXPAGESIZE));
.data : AT(ADDR(.data) - KERNEL_VMA)
{
*(.data .data.*)
}
_kernel_data_end = ALIGN(CONSTANT(MAXPAGESIZE));
} :data
. += CONSTANT(MAXPAGESIZE);
_kernel_data_end = ALIGN(CONSTANT(MAXPAGESIZE));
.rodata :
_kernel_rodata_start = ALIGN(CONSTANT(MAXPAGESIZE));
.rodata : AT(ADDR(.rodata) - KERNEL_VMA)
{
*(.rodata .rodata.*)
}
_kernel_rodata_end = ALIGN(CONSTANT(MAXPAGESIZE));
. += CONSTANT(MAXPAGESIZE);
} :rodata
.init_array :
.init_array : AT(ADDR(.init_array) - KERNEL_VMA)
{
PROVIDE_HIDDEN(__init_array_start = .);
KEEP(*(.init_array .ctors))
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
PROVIDE_HIDDEN (__init_array_end = .);
}
} :rodata
.fini_array :
.fini_array : AT(ADDR(.fini_array) - KERNEL_VMA)
{
PROVIDE_HIDDEN(__fini_array_start = .);
KEEP(*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP(*(.fini_array .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
}
} :rodata
. += CONSTANT(MAXPAGESIZE);
_kernel_rodata_end = ALIGN(CONSTANT(MAXPAGESIZE));
.bss :
_kernel_bss_start = ALIGN(CONSTANT(MAXPAGESIZE));
.bss : AT(ADDR(.bss) - KERNEL_VMA)
{
*(COMMON)
*(.bss .bss.*)
}
} :bss
. += CONSTANT(MAXPAGESIZE);
_kernel_bss_end = ALIGN(CONSTANT(MAXPAGESIZE));
_kernel_end = ALIGN(CONSTANT(MAXPAGESIZE));
/DISCARD/ :