diff options
Diffstat (limited to 'bsps/powerpc/mpc8260ads/start/linkcmds')
| -rw-r--r-- | bsps/powerpc/mpc8260ads/start/linkcmds | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/bsps/powerpc/mpc8260ads/start/linkcmds b/bsps/powerpc/mpc8260ads/start/linkcmds new file mode 100644 index 0000000000..f3092b862d --- /dev/null +++ b/bsps/powerpc/mpc8260ads/start/linkcmds @@ -0,0 +1,352 @@ +/* + * This file contains directives for the GNU linker which are specific + * to the MPC8260ADS Board + */ + +OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", + "elf32-powerpc") +OUTPUT_ARCH(powerpc) + +ENTRY(start) +STARTUP(start.o) +EXTERN(__vectors) + +/* + * 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. + */ +StackSize = DEFINED(StackSize) ? StackSize : 0x8000; +RamBase = DEFINED(RamBase) ? RamBase : 0x0; +RamSize = DEFINED(RamSize) ? RamDiskSize : 0x0800000; /* 8M program ram */ +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; +RamDiskBase = DEFINED(RamDiskBase) ? RamDiskBase : 0x0800000; +RamDiskSize = DEFINED(RamDiskSize) ? RamDiskSize : 0x0800000; /* 8M ram disk */ + +MEMORY +{ + ram : org = 0x0, l = 8M + ramdisk : org = 0x0800000, l = 8M + 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 length + * 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) + KEEP (*(SORT(.rtemsroset.*))) + *(.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 + + .tdata : { + _TLS_Data_begin = .; + *(.tdata .tdata.* .gnu.linkonce.td.*) + _TLS_Data_end = .; + } >ram + + .tbss : { + _TLS_BSS_begin = .; + *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) + _TLS_BSS_end = .; + } >ram + + _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; + _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; + _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; + _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; + _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; + _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); + + + .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__ = .); + + .sdata : { + PROVIDE (_SDA_BASE_ = 32768); + *(.sdata .sdata.* .gnu.linkonce.s.*) + } > ram + + .sbss : { + __bss_start = .; + + PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .); + *(.scommon) + *(.dynsbss) + *(.sbss .sbss.* .gnu.linkonce.sb.*) + PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .); + } > ram + + .sdata2 : { + PROVIDE (_SDA2_BASE_ = 32768); + + *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) + } > ram =0 + + .sbss2 : { + *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) + } > ram =0 + + .bss : + { + bss.start = .; + *(.bss .bss* .gnu.linkonce.b*) + . = ALIGN(4); + bss.end = .; + } > ram + + /* R/W Data */ + .data ( . ) : + { + . = ALIGN (4); + + data.start = .; + + *(.data) + *(.data1) + *(.data.* .gnu.linkonce.d.*) + KEEP (*(SORT(.rtemsrwset.*))) + PROVIDE (__SDATA_START__ = .); + *(.sdata .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); + + + clear_end = .; + + WorkAreaBase = .; + + /* 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) } +} |