OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") OUTPUT_ARCH(arm) ENTRY(_start) MEMORY { rom : ORIGIN = 0x08000000, LENGTH = 32M ewram : ORIGIN = 0x02000000, LENGTH = 4M - 4k dtcm : ORIGIN = 0x0b000000, LENGTH = 16K itcm : ORIGIN = 0x01000000, LENGTH = 32K } __itcm_start = ORIGIN(itcm); __ewram_end = ORIGIN(ewram) + LENGTH(ewram); __eheap_end = ORIGIN(ewram) + LENGTH(ewram); __dtcm_start = ORIGIN(dtcm); __dtcm_top = ORIGIN(dtcm) + LENGTH(dtcm); __irq_flags = __dtcm_top - 0x08; __irq_vector = __dtcm_top - 0x04; __sp_svc = __dtcm_top - 0x100; __sp_irq = __sp_svc - 0x100; __sp_usr = __sp_irq - 0x100; SECTIONS { .init : { __text_start = . ; KEEP (*(.init)) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .plt : { *(.plt) } >ewram = 0xff .text : /* ALIGN (4): */ { *(EXCLUDE_FILE (*.itcm*) .text) *(.text.*) *(.stub) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) *(.gnu.linkonce.t*) *(.glue_7) *(.glue_7t) /* * Special FreeBSD sysctl sections. */ . = ALIGN (16); __start_set_sysctl_set = .; *(set_sysctl_*); __stop_set_sysctl_set = ABSOLUTE(.); *(set_domain_*); *(set_pseudo_*); . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .fini : { KEEP (*(.fini)) } >ewram =0xff __text_end = . ; .rodata : { *(.rodata) *all.rodata*(*) *(.roda) *(.rodata.*) *(.gnu.linkonce.r*) SORT(CONSTRUCTORS) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >ewram __exidx_start = .; .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >ewram __exidx_end = .; /* 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 : { KEEP (*(.preinit_array)) } >ewram = 0xff PROVIDE (__preinit_array_end = .); PROVIDE (__init_array_start = .); .init_array : { KEEP (*(.init_array)) } >ewram = 0xff PROVIDE (__init_array_end = .); PROVIDE (__fini_array_start = .); .fini_array : { KEEP (*(.fini_array)) } >ewram = 0xff 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)) KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .dtors : { KEEP (*crtbegin.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .eh_frame : { KEEP (*(.eh_frame)) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .gcc_except_table : { *(.gcc_except_table) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .jcr : { KEEP (*(.jcr)) } >ewram = 0 .got : { *(.got.plt) *(.got) *(.rel.got) } >ewram = 0 .ewram ALIGN(4) : { __ewram_start = ABSOLUTE(.) ; *(.ewram) *ewram.*(.text) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ } >ewram = 0xff .data ALIGN(4) : { __data_start = ABSOLUTE(.); *(.data) *(.data.*) *(.gnu.linkonce.d*) CONSTRUCTORS . = ALIGN(4); __data_end = ABSOLUTE(.) ; } >ewram = 0xff __dtcm_lma = . ; .dtcm __dtcm_start : AT (__dtcm_lma) { *(.dtcm) *(.dtcm.*) . = ALIGN(4); __dtcm_end = ABSOLUTE(.); } >dtcm = 0xff __itcm_lma = __dtcm_lma + SIZEOF(.dtcm); .itcm __itcm_start : AT (__itcm_lma) { *(.itcm) *itcm.*(.text) . = ALIGN(4); __itcm_end = ABSOLUTE(.); } >itcm = 0xff .sbss __dtcm_end : { __sbss_start = ABSOLUTE(.); __sbss_start__ = ABSOLUTE(.); *(.sbss) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ __sbss_end = ABSOLUTE(.); } >dtcm __bss_lma = __itcm_lma + SIZEOF(.itcm) ; __appended_data = __itcm_lma + SIZEOF(.itcm) ; .bss __bss_lma : AT (__bss_lma) { __bss_start = ABSOLUTE(.); __bss_start__ = ABSOLUTE(.); *(.dynbss) *(.gnu.linkonce.b*) *(.bss*) *(COMMON) . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ __bss_end = ABSOLUTE(.) ; __bss_end__ = __bss_end ; } >ewram _end = . ; __end__ = . ; PROVIDE (end = _end); /* 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) } .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) } .stack 0x80000 : { _stack = .; *(.stack) } /* These must appear regardless of . */ }