/* * This file contains directives for the GNU linker which are specific * to the MPC8260ADS Board * * $Id$ */ OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") OUTPUT_ARCH(powerpc) ENTRY(start) /* * Declare some sizes. * XXX: The assignment of ". += XyzSize;" fails in older gld's if the * number used there is not constant. If this happens to you, edit * the lines marked XXX below to use a constant value. */ HeapSize = DEFINED(HeapSize) ? HeapSize : 0x400000; /* 4M Heap */ StackSize = DEFINED(StackSize) ? StackSize : 0x8000; WorkSpaceSize = DEFINED(WorkSpaceSize) ? WorkSpaceSize : 0x80000; /* 512k */ RamDiskSize = DEFINED(RamDiskSize) ? RamDiskSize : 0x0800000; /* 8M ram disk */ MEMORY { ram : org = 0x0, l = 16M dpram : org = 0x04700000, l = 128K flash : org = 0xff800000, l = 8M } SECTIONS { /* * The stack will live in this area - between the vectors and * the text section. */ .text 0x10000: { _textbase = .; text.start = .; /* Entry point is the .entry section */ *(.entry) *(.entry2) /* Actual Code */ *(.text*) *(.rodata*) *(.rodata1) /* * Special FreeBSD sysctl sections. */ . = ALIGN (16); __start_set_sysctl_set = .; *(set_sysctl_*); __stop_set_sysctl_set = ABSOLUTE(.); *(set_domain_*); *(set_pseudo_*); /* C++ constructors/destructors */ *(.gnu.linkonce.t*) /* Initialization and finalization code. * * Various files can provide initialization and finalization functions. * The bodies of these functions are in .init and .fini sections. We * accumulate the bodies here, and prepend function prologues from * ecrti.o and function epilogues from ecrtn.o. ecrti.o must be linked * first; ecrtn.o must be linked last. Because these are wildcards, it * doesn't matter if the user does not actually link against ecrti.o and * ecrtn.o; the linker won't look for a file to match a wildcard. The * wildcard also means that it doesn't matter which directory ecrti.o * and ecrtn.o are in. */ PROVIDE (_init = .); *ecrti.o(.init) *(.init) *ecrtn.o(.init) PROVIDE (_fini = .); *ecrti.o(.fini) *(.fini) *ecrtn.o(.init) /* * C++ constructors and destructors for static objects. * PowerPC EABI does not use crtstuff yet, so we build "old-style" * constructor and destructor lists that begin with the list lenght * end terminate with a NULL entry. */ PROVIDE (__CTOR_LIST__ = .); /* LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) */ *crtbegin.o(.ctors) *(.ctors) *crtend.o(.ctors) LONG(0) PROVIDE (__CTOR_END__ = .); PROVIDE (__DTOR_LIST__ = .); /* LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) */ *crtbegin.o(.dtors) *(.dtors) *crtend.o(.dtors) LONG(0) PROVIDE (__DTOR_END__ = .); /* Exception frame info */ *(.eh_frame) /* Miscellaneous read-only data */ _rodata_start = . ; *(.gnu.linkonce.r*) *(.lit) *(.shdata) *(.rodata) *(.rodata1) *(.descriptors) *(rom_ver) _erodata = .; /* Various possible names for the end of the .text section */ etext = ALIGN(0x10); _etext = .; _endtext = .; text.end = .; PROVIDE (etext = .); PROVIDE (__etext = .); } > ram .rel.dyn : { *(.rel.init) *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) *(.rel.fini) *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) *(.rel.ctors) *(.rel.dtors) *(.rel.got) *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } >ram .rela.dyn : { *(.rela.init) *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) *(.rela.fini) *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) *(.rela.ctors) *(.rela.dtors) *(.rela.got) *(.rela.got1) *(.rela.got2) *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } >ram .rel.plt : { *(.rel.plt) } .rela.plt : { *(.rela.plt) } PROVIDE (__EXCEPT_START__ = .); .gcc_except_table : { *(.gcc_except_table) } >ram PROVIDE (__EXCEPT_END__ = .); __GOT_START__ = .; .got : { s.got = .; *(.got.plt) *(.got) } > ram __GOT_END__ = .; .got1 : { *(.got1) } >ram PROVIDE (__GOT2_START__ = .); PROVIDE (_GOT2_START_ = .); .got2 : { *(.got2) } >ram PROVIDE (__GOT2_END__ = .); PROVIDE (_GOT2_END_ = .); PROVIDE (__FIXUP_START__ = .); PROVIDE (_FIXUP_START_ = .); .fixup : { *(.fixup) } >ram PROVIDE (_FIXUP_END_ = .); PROVIDE (__FIXUP_END__ = .); PROVIDE (__SDATA2_START__ = .); .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >ram .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >ram PROVIDE (__SBSS2_END__ = .); .sbss2 : { *(.sbss2) } >ram PROVIDE (__SBSS2_END__ = .); __SBSS_START__ = .; .bss : { bss.start = .; *(.bss .bss* .gnu.linkonce.b*) *(.sbss*) *(COMMON) . = ALIGN(4); bss.end = .; } > ram __SBSS_END__ = .; /* R/W Data */ .data ( . ) : { . = ALIGN (4); data.start = .; *(.data) *(.data1) *(.data.* .gnu.linkonce.d.*) PROVIDE (__SDATA_START__ = .); *(.sdata*) *(.gnu.linkonce.s.*) data.end = .; } > ram data.size = data.end - data.start; bss.size = bss.end - bss.start; text.size = text.end - text.start; PROVIDE(_end = data.end); .gzipmalloc : { . = ALIGN (16); _startmalloc = .; } >ram /* * Interrupt stack setup */ IntrStack_start = ALIGN(0x10); . += 0x4000; intrStack = .; PROVIDE(intrStackPtr = intrStack); _HeapStart = .; __HeapStart = .; . += HeapSize; _HeapEnd = .; __HeapEnd = .; clear_end = .; _WorkspaceBase = .; __WorkspaceBase = .; . += WorkSpaceSize; _RamDiskBase = .; __RamDiskBase = .; . += RamDiskSize; _RamDiskEnd = .; __RamDiskEnd = .; PROVIDE( _RamDiskSize = _RamDiskEnd - _RamDiskBase ); /* Sections for compressed .text and .data */ /* after the .datarom section is an int specifying */ /* the length of the following compressed image */ /* Executes once then could get overwritten */ .textrom 0x100000 : { *(.textrom) _endloader = .; } > ram .datarom : { _dr_start = .; *(.datarom) _dr_end = .; } > ram dr_len = _dr_end - _dr_start; .dpram : { m8260 = .; _m8260 = .; . += (128 * 1024); } > dpram /* the reset vector is at 0xfff00000 which is */ /* located at offset 0x400000 from the base */ /* of flash */ .bootrom 0xFFF00000 : { *(.bootrom) _endboot = .; } > flash .line 0 : { *(.line) } .debug 0 : { *(.debug) } .debug_sfnames 0 : { *(.debug_sfnames) } .debug_srcinfo 0 : { *(.debug_srcinfo) } .debug_pubnames 0 : { *(.debug_pubnames) } .debug_aranges 0 : { *(.debug_aranges) } .debug_aregion 0 : { *(.debug_aregion) } .debug_macinfo 0 : { *(.debug_macinfo) } .stab 0 : { *(.stab) } .stabstr 0 : { *(.stabstr) } }