OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") OUTPUT_ARCH(mt) ENTRY(__boot_start) /* Do we need any of these for elf? __DYNAMIC = 0; */ MEMORY { ram (rwx) : ORIGIN = 0x0, LENGTH = 16M sram (wx) : ORIGIN = 0xfef00000, LENGTH = 64K frame-buffer (w) : ORIGIN = 0xff000000, LENGTH = 80K dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 32M ports (w) : ORIGIN = 0xfffff000, LENGTH = 4K } SECTIONS { /* Read-only sections, merged into text segment: */ . = 0x0; PROVIDE(__executable_start = 0x0); .interp : { *(.interp) } .hash : { *(.hash) } .dynsym : { *(.dynsym) } .dynstr : { *(.dynstr) } .gnu.version : { *(.gnu.version) } .gnu.version_d : { *(.gnu.version_d) } .gnu.version_r : { *(.gnu.version_r) } .rel.init : { *(.rel.init) } .rela.init : { *(.rela.init) } .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } .rel.fini : { *(.rel.fini) } .rela.fini : { *(.rela.fini) } .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } .rel.data.rel.ro : { *(.rel.data.rel.ro*) } .rela.data.rel.ro : { *(.rela.data.rel.ro*) } .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } .rel.ctors : { *(.rel.ctors) } .rela.ctors : { *(.rela.ctors) } .rel.dtors : { *(.rel.dtors) } .rela.dtors : { *(.rela.dtors) } .rel.got : { *(.rel.got) } .rela.got : { *(.rela.got) } .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } .rel.plt : { *(.rel.plt) } .rela.plt : { *(.rela.plt) } .startup : { *startup-16-003.o(.startup) } >ram =0 . = 0x40; .init : { KEEP (*(.init)) } >ram =0 .plt : { *(.plt) } >ram .text : { *startup-16-004.o(.text); *(.text .stub .text.* .gnu.linkonce.t.*) KEEP (*(.text.*personality*)) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) } >ram =0 .fini : { KEEP (*(.fini)) } >ram =0 PROVIDE (__etext = .); PROVIDE (_etext = .); PROVIDE (etext = .); .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram .rodata1 : { *(.rodata1) } >ram .sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram .eh_frame_hdr : { *(.eh_frame_hdr) } >ram .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram /* Adjust the address for the data segment. We want to adjust up to the same address within the page on the next page up. */ . = ALIGN(256) + (. & (256 - 1)); /* Exception handling */ .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram /* Thread Local Storage sections */ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram /* Ensure the __preinit_array_start label is properly aligned. We could instead move the label definition inside the section, but the linker would then create the section even if it turns out to be empty, which isn't pretty. */ . = ALIGN(32 / 8); PROVIDE (__preinit_array_start = .); .preinit_array : { *(.preinit_array) } >ram PROVIDE (__preinit_array_end = .); PROVIDE (__init_array_start = .); .init_array : { *(.init_array) } >ram PROVIDE (__init_array_end = .); PROVIDE (__fini_array_start = .); .fini_array : { *(.fini_array) } >ram PROVIDE (__fini_array_end = .); .ctors : { /* gcc uses crtbegin.o to find the start of the constructors, so we make sure it is first. Because this is a wildcard, it doesn't matter if the user does not actually link against crtbegin.o; the linker won't look for a file to match a wildcard. The wildcard also means that it doesn't matter which directory crtbegin.o is in. */ KEEP (*crtbegin.o(.ctors)) /* We don't want to include the .ctor section from from the crtend.o file until after the sorted ctors. The .ctor section from the crtend file contains the end of ctors marker and it must be last */ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) } >ram .dtors : { KEEP (*crtbegin*.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) } >ram .jcr : { KEEP (*(.jcr)) } >ram .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram .dynamic : { *(.dynamic) } >ram /* DJK - Re-align the data section from the read-only section. */ . = ALIGN(16) + (. & (16 - 1)); PROVIDE (_data = .); .data : { *(.data .data.* .gnu.linkonce.d.*) KEEP (*(.gnu.linkonce.d.*personality*)) SORT(CONSTRUCTORS) } >ram .data1 : { *(.data1) } >ram .got : { *(.got.plt) *(.got) } >ram /* 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 .sdata.* .gnu.linkonce.s.*) } >ram _edata = .; PROVIDE ( edata = . ); .sbss : { PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .); *(.dynsbss) *(.sbss .sbss.* .gnu.linkonce.sb.*) *(.scommon) PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .); } >ram .bss : { *(.dynbss) *(.bss .bss.* .gnu.linkonce.b.*) *(COMMON) /* Align here to ensure that the .bss section occupies space up to _end. Align after .bss to ensure correct alignment even if the .bss section disappears because there are no input sections. */ . = ALIGN(32 / 8); } >ram . = ALIGN(32 / 8); __bss_start = ADDR ( .sbss ) ; __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ; _end = .; PROVIDE (end = .); /* DJK - Initialized frame buffer data is copied from RAM to FB. */ .auxbss : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer .auxdata : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss)) { *(.auxdata.bank0) . = ALIGN(0x4000); *(.auxdata.bank1) . = ALIGN(0x4000); *(.auxdata.bank2) . = ALIGN(0x4000); *(.auxdata.bank3) . = ALIGN(0x4000); *(.auxdata.bank4) *(.auxdata) } >frame-buffer _fbbss_start = ADDR ( .auxbss ); _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4; _fbdata_start = LOADADDR ( .auxdata ); _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ; _fbdata_vma = ADDR ( .auxdata ); PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) ); PROVIDE (__FRAME_BUFFER_SIZE = 0x14000); PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE); /* For now, locate data ahead of code in onchip sram/memory. */ .sram : AT (LOADADDR(.auxdata) + SIZEOF(.auxdata)) { *(.sram.data) . = ALIGN(4) ; /* Make sure that instructions are aligned... */ *(.sram.text) } >sram _sram_data_start = LOADADDR ( .sram ); _sram_data_end = _sram_data_start + SIZEOF ( .sram ) ; _sram_data_vma = ADDR ( .sram ); .dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram .internal_io (NOLOAD) : { *(.internal_io) } >ports /* Stabs debugging sections. */ .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) } /* DWARF debug sections. Symbols in the DWARF debugging sections are relative to the beginning of the section so we begin them at 0. */ /* DWARF 1 */ .debug 0 : { *(.debug) } .line 0 : { *(.line) } /* GNU DWARF 1 extensions */ .debug_srcinfo 0 : { *(.debug_srcinfo) } .debug_sfnames 0 : { *(.debug_sfnames) } /* DWARF 1.1 and DWARF 2 */ .debug_aranges 0 : { *(.debug_aranges) } .debug_pubnames 0 : { *(.debug_pubnames) } /* DWARF 2 */ .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) } /* SGI/MIPS DWARF 2 extensions */ .debug_weaknames 0 : { *(.debug_weaknames) } .debug_funcnames 0 : { *(.debug_funcnames) } .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } /* In a multi-core environment, each core is given its own stack space equal to __stack_size, growing downwards. */ PROVIDE (__stack = 0x97ff0); PROVIDE (__stack_size = 0x800); .stack (DEFINED(__stack) ? __stack : 0x007ffff0) : { __stack = .; *(.stack) LONG(0xdeaddead) } /DISCARD/ : { *(.note.GNU-stack) } }