X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=elf2flt.ld;h=cd4e652c305b12cefbb2602181c646f6d28e09cf;hb=1d827a9038d0b80475a5e38a6988d4f4f4d3c1ee;hp=184b3812332ef6ca9905b71dd18ea50b6e440d52;hpb=6266d15a11ed19dfaaf825a83ed03044cf94cdca;p=uclinux-h8%2Felf2flt.git diff --git a/elf2flt.ld b/elf2flt.ld index 184b381..cd4e652 100644 --- a/elf2flt.ld +++ b/elf2flt.ld @@ -2,11 +2,11 @@ ENTRY (_start) MEMORY { - flatmem : ORIGIN = 0x0, LENGTH = 0xffffff - junk : ORIGIN = 0x0, LENGTH = 0x100000 + flatmem : ORIGIN = 0x0, LENGTH = 0xfffffff } SECTIONS { + .text 0x0 : { . = . + 4; . = ALIGN(0x4) ; @@ -25,6 +25,7 @@ SECTIONS { W_RODAT *(.rodata) W_RODAT *(.rodata1) W_RODAT *(.rodata.*) +W_RODAT *(.gnu.linkonce.r*) /* This is special code area at the end of the normal text section. It contains a small lookup table at @@ -35,9 +36,10 @@ W_RODAT *(.rodata.*) *(.call_table_data) *(.call_table_text) - . = ALIGN(0x10) ; + . = ALIGN(0x20) ; _etext = . ; } > flatmem + .data : { . = ALIGN(0x4) ; _sdata = . ; @@ -45,11 +47,14 @@ W_RODAT *(.rodata.*) data_start = . ; *(.got.plt) *(.got) + FILL(0) ; + . = ALIGN(0x20) ; LONG(-1) + . = ALIGN(0x20) ; R_RODAT *(.rodata) R_RODAT *(.rodata1) R_RODAT *(.rodata.*) - *(.gnu.linkonce.r*) +R_RODAT *(.gnu.linkonce.r*) *(.data) *(.data1) *(.data.*) @@ -57,23 +62,81 @@ R_RODAT *(.rodata.*) *(.data1) *(.eh_frame) *(.gcc_except_table) + + /* Microblaze has .sdata and .sbss (small bss). They must + be contiguous, so please don't move any of this. JW */ + _ssrw = . ; *(.sdata) *(.sdata.*) + *(.sbss) /* Don't move this! */ + _essrw = . ; + + _ssrw_size = _essrw - _ssrw; + PROVIDE(_SDA_BASE_ = _ssrw + (_ssrw_size / 2)); + *(.gnu.linkonce.s.*) *(__libc_atexit) *(__libc_subinit) *(__libc_subfreeres) *(.note.ABI-tag) + + /* microblaze-specific read-only small data area + and associated locating symbols */ + _ssro = . ; + *(.sdata2) + _essro = . ; + _ssro_size = _essro - _ssro; + PROVIDE(_SDA2_BASE_ = _ssro + (_ssro_size / 2)); + . = ALIGN(4) ; - *(.ctors.*) - *(.ctors) + __CTOR_LIST__ = .; + LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) +SINGLE_LINK: /* gcc uses crtbegin.o to find the start of +SINGLE_LINK: the constructors, so we make sure it is +SINGLE_LINK: first. Because this is a wildcard, it +SINGLE_LINK: doesn't matter if the user does not +SINGLE_LINK: actually link against crtbegin.o; the +SINGLE_LINK: linker won't look for a file to match a +SINGLE_LINK: wildcard. The wildcard also means that it +SINGLE_LINK: doesn't matter which directory crtbegin.o +SINGLE_LINK: is in. */ +SINGLE_LINK: KEEP (*crtbegin*.o(.ctors)) +SINGLE_LINK: /* We don't want to include the .ctor section from +SINGLE_LINK: from the crtend.o file until after the sorted ctors. +SINGLE_LINK: The .ctor section from the crtend file contains the +SINGLE_LINK: end of ctors marker and it must be last */ +SINGLE_LINK: KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) +SINGLE_LINK: KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) LONG(0) - *(.dtors.*) - *(.dtors) + __CTOR_END__ = .; + __DTOR_LIST__ = .; + LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) +SINGLE_LINK: KEEP (*crtbegin*.o(.dtors)) +SINGLE_LINK: KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) +SINGLE_LINK: KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) LONG(0) - . = ALIGN(0x10) ; + __DTOR_END__ = .; + + PROVIDE (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE (__preinit_array_end = .); + + PROVIDE (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE (__init_array_end = .); + + PROVIDE (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE (__fini_array_end = .); + + . = ALIGN(0x10) ; _edata = . ; } > flatmem + .bss : { . = ALIGN(0x4) ; _sbss = ALIGN(0x4) ; @@ -85,15 +148,32 @@ R_RODAT *(.rodata.*) *(.dynbss) *(.bss) *(.bss.*) + *(.bss*) + *(.gnu.linkonce.b*) *(COMMON) - . = ALIGN(0x4) ; + . = ALIGN(0x10) ; _ebss = . ; _end = . ; end = . ; } > flatmem - .junk : { - *(.rel*) - *(.rela*) - } > junk + .stack : { + . = ALIGN(0x4); + __stack_start = .; + } + + .junk 0 : { *(.rel*) *(.rela*) } + /* 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) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } }