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m1n1.ld
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m1n1.ld
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ENTRY(_start)
/* Fake virtual load address for the mach-o */
_va_base = 0xFFFFFE0007004000;
_stack_size = 0x20000;
_stack_size_el3 = 0x8000;
_max_payload_size = 64*1024*1024;
/* We are actually relocatable */
. = 0;
PHDRS
{
hdr PT_LOAD;
text PT_LOAD;
rodata PT_LOAD;
data PT_LOAD;
}
SECTIONS {
_base = .;
.header : {
_mach_header = .;
/* mach-o header */
LONG(0xfeedfacf); /* magic */
LONG(0x100000c); /* cputype */
LONG(0x02); /* cputype */
LONG(0x0c); /* filetype */
LONG(6); /* ncmds */
LONG(_cmd_end - _cmd_start); /* sizeofcmds */
LONG(4); /* flags */
LONG(0); /* reserved */
_cmd_start = .;
/* unix_thread (entrypoint) */
LONG(0x5); /* type = UNIX_THREAD */
LONG(0x120); /* cmdsize */
LONG(6); /* ARM_THREAD64 */
LONG(0x44); /* length */
. += 32 * 8; /* useless registers */
QUAD(_start + _va_off) /* pc */
. += 8; /* useless registers */
ASSERT(. - _cmd_start == 0x120, "Bad unix_thread structure");
/* segment: mach-o structures */
LONG(0x19); /* type = SEGMENT_64 */
LONG(0x48); /* cmdsize */
LONG(0x5244485f); /* segname = "_HDR" */
. += 12;
QUAD(ADDR(.header) + _va_off); /* vmaddr */
QUAD(SIZEOF(.header)); /* vmsize */
QUAD(ADDR(.header) - _base); /* fileoff */
QUAD(SIZEOF(.header)); /* filesize */
LONG(PROT_READ); /* maxprot */
LONG(PROT_READ); /* initprot */
LONG(0); /* nsects */
LONG(0); /* flags */
/* segment: text */
LONG(0x19); /* type = SEGMENT_64 */
LONG(0x48); /* cmdsize */
LONG(0x54584554); /* segname = "TEXT" */
. += 12;
QUAD(ADDR(.init) + _va_off); /* vmaddr */
QUAD(_text_size); /* vmsize */
QUAD(ADDR(.init) - _base); /* fileoff */
QUAD(_text_size); /* filesize */
LONG(PROT_READ | PROT_EXECUTE); /* maxprot */
LONG(PROT_READ | PROT_EXECUTE); /* initprot */
LONG(0); /* nsects */
LONG(0); /* flags */
/* segment: rodata */
LONG(0x19); /* type = SEGMENT_64 */
LONG(0x48); /* cmdsize */
LONG(0x41444F52); /* segname = "RODA" */
. += 12;
QUAD(ADDR(.rodata) + _va_off); /* vmaddr */
QUAD(_rodata_end - ADDR(.rodata)); /* vmsize */
QUAD(ADDR(.rodata) - _base); /* fileoff */
QUAD(_rodata_end - ADDR(.rodata)); /* filesize */
LONG(PROT_READ); /* maxprot */
LONG(PROT_READ); /* initprot */
LONG(0); /* nsects */
LONG(0); /* flags */
/* segment: data */
LONG(0x19); /* type = SEGMENT_64 */
LONG(0x48); /* cmdsize */
LONG(0x41544144); /* segmname = "DATA" */
. += 12;
QUAD(ADDR(.data) + _va_off); /* vmaddr */
QUAD(_data_size); /* vmsize */
QUAD(ADDR(.data) - _base); /* fileoff */
QUAD(SIZEOF(.data)); /* filesize */
LONG(PROT_READ | PROT_WRITE); /* maxprot */
LONG(PROT_READ | PROT_WRITE); /* initprot */
LONG(0); /* nsects */
LONG(0); /* flags */
/* segment: payload */
LONG(0x19); /* type = SEGMENT_64 */
LONG(0x48); /* cmdsize */
LONG(0x444C5950); /* segmname = "PYLD" */
. += 12;
QUAD(_end + _va_off); /* vmaddr */
QUAD(_max_payload_size); /* vmsize */
QUAD(_file_end - _base); /* fileoff */
QUAD(_max_payload_size); /* filesize */
LONG(PROT_READ | PROT_WRITE); /* maxprot */
LONG(PROT_READ | PROT_WRITE); /* initprot */
LONG(0); /* nsects */
LONG(0); /* flags */
_cmd_end = .;
. = ALIGN(0x4000);
_hdr_end = .;
} :hdr
_text_start = .;
.init : ALIGN(0x4000) {
*(.init)
*(.init.*)
} :text
.text : ALIGN(0x4000) {
*(.text)
*(.text.*)
. = ALIGN(8);
*(.got.plt)
. = ALIGN(0x4000);
} :text
_text_size = . - _text_start;
.rodata : ALIGN(0x4000) {
*(.rodata)
*(.rodata.*)
. = ALIGN(8);
} :rodata
.rela.dyn : {
_rela_start = .;
*(.rela)
*(.rela.text)
*(.rela.got)
*(.rela.plt)
*(.rela.bss)
*(.rela.ifunc)
*(.rela.text.*)
*(.rela.data)
*(.rela.data.*)
*(.rela.rodata)
*(.rela.rodata*)
*(.rela.dyn)
_rela_end = .;
. = ALIGN(0x4000);
} :rodata
_rodata_end = .;
_data_start = .;
.data : ALIGN(0x4000) {
*(.data)
*(.data.*)
. = ALIGN(8);
_got_start = .;
*(.got)
_got_end = .;
. = ALIGN(0x4000);
_file_end = .;
} :data
.bss : ALIGN(0x4000) {
_bss_start = .;
*(.bss)
*(.bss.*)
*(.dynbss)
*(COMMON)
. = ALIGN(0x4000);
_bss_end = .;
PROVIDE(_stack_top_el3 = .);
. += _stack_size_el3;
PROVIDE(_stack_bot_el3 = .);
. = ALIGN(0x4000);
PROVIDE(_stack_top = .);
. += _stack_size;
PROVIDE(_stack_bot = .);
. = ALIGN(0x4000);
} :data
_data_size = . - _data_start;
_end = .;
_payload_start = .;
_payload_end = . + _max_payload_size;
.symtab 0 : { *(.symtab) }
.strtab 0 : { *(.strtab) }
.shstrtab 0 : { *(.shstrtab) }
/DISCARD/ : {
*(.discard)
*(.discard.*)
*(.interp .dynamic)
*(.dynsym .dynstr .hash .gnu.hash)
*(.eh_frame)
*(.gnu.version*)
*(.note*)
*(.comment*)
}
.empty (NOLOAD) : {
*(.plt) *(.plt.*) *(.iplt) *(.igot)
*(.data.rel.ro)
}
ASSERT(SIZEOF(.empty) == 0, "Unexpected sections detected!")
.got.plt (NOLOAD) : {
*(.got.plt)
}
ASSERT(SIZEOF(.got.plt) == 0 || SIZEOF(.got.plt) == 0x18, "Unexpected GOT PLT detected!")
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.debug_types 0 : { *(.debug_types) }
.debug_addr 0 : { *(.debug_addr) }
.debug_line_str 0 : { *(.debug_line_str) }
.debug_loclists 0 : { *(.debug_loclists) }
.debug_macro 0 : { *(.debug_macro) }
.debug_names 0 : { *(.debug_names) }
.debug_rnglists 0 : { *(.debug_rnglists) }
.debug_str_offsets 0 : { *(.debug_str_offsets) }
.debug_sup 0 : { *(.debug_sup) }
}
PROT_READ = 0x01;
PROT_WRITE = 0x02;
PROT_EXECUTE = 0x04;
_va_off = _va_base - _base;