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/* Simple linker script for the JOS kernel.
See the GNU ld 'info' manual ("info ld") to learn the syntax. */
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)
SECTIONS
{
/* Link the kernel at this address: "." means the current address */
/* Must be equal to KERNLINK */
. = 0x80100000;
.text : AT(0x100000) {
*(.text .stub .text.* .gnu.linkonce.t.*)
}
PROVIDE(etext = .); /* Define the 'etext' symbol to this value */
.rodata : {
*(.rodata .rodata.* .gnu.linkonce.r.*)
}
/* Include debugging information in kernel memory */
.stab : {
PROVIDE(__STAB_BEGIN__ = .);
*(.stab);
PROVIDE(__STAB_END__ = .);
BYTE(0) /* Force the linker to allocate space
for this section */
}
.stabstr : {
PROVIDE(__STABSTR_BEGIN__ = .);
*(.stabstr);
PROVIDE(__STABSTR_END__ = .);
BYTE(0) /* Force the linker to allocate space
for this section */
}
/* Adjust the address for the data segment to the next page */
. = ALIGN(0x1000);
/* Conventionally, Unix linkers provide pseudo-symbols
* etext, edata, and end, at the end of the text, data, and bss.
* For the kernel mapping, we need the address at the beginning
* of the data section, but that's not one of the conventional
* symbols, because the convention started before there was a
* read-only rodata section between text and data. */
PROVIDE(data = .);
/* The data segment */
.data : {
*(.data)
}
PROVIDE(edata = .);
.bss : {
*(.bss)
}
PROVIDE(end = .);
/DISCARD/ : {
*(.eh_frame .note.GNU-stack)
}
}
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