X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=ld%2Fscripttempl%2Fv850.sc;h=df8302cd9094af792b9d70671d8492a60e42cac2;hb=2bf2bf23da;hp=e4cb42618b1b7469f51778473828aa9f7dab9e8d;hpb=c23b6a6bc91b604da6f8a19a938aa6046991e3ad;p=binutils-gdb.git diff --git a/ld/scripttempl/v850.sc b/ld/scripttempl/v850.sc index e4cb42618b1..df8302cd909 100644 --- a/ld/scripttempl/v850.sc +++ b/ld/scripttempl/v850.sc @@ -1,114 +1,220 @@ +# Copyright (C) 2014-2018 Free Software Foundation, Inc. +# +# Copying and distribution of this file, with or without modification, +# are permitted in any medium without royalty provided the copyright +# notice and this notice are preserved. + cat << EOF +/* Copyright (C) 2014-2018 Free Software Foundation, Inc. + + Copying and distribution of this script, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. */ + OUTPUT_FORMAT("elf32-v850", "elf32-v850", "elf32-v850") -OUTPUT_ARCH(v850) -ENTRY(_start) +OUTPUT_ARCH(v850:old-gcc-abi) +${RELOCATING+ENTRY(_start)} SEARCH_DIR(.); -/*/critters/slug/grossman/install/sun4/v850-elf/lib*/ +${RELOCATING+EXTERN(__ctbp __ep __gp)}; SECTIONS { - /* Read-only sections, merged into text segment: */ - . = 0x160; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } =0 - .plt : { *(.plt) } - .zdata : { *(.zdata) *(.zrodata) *(.zbss*) } - .text : + /* This saves a little space in the ELF file, since the zda starts + at a higher location that the ELF headers take up. */ + + .zdata ${ZDATA_START_ADDR} : + { + *(.zdata) + ${RELOCATING+*(.zbss) + *(reszdata) + *(.zcommon)} + } + + /* This is the read only part of the zero data area. + Having it as a separate section prevents its + attributes from being inherited by the zdata + section. Specifically it prevents the zdata + section from being marked READONLY. */ + + .rozdata ${ROZDATA_START_ADDR} : + { + *(.rozdata) + ${RELOCATING+*(romzdata) + *(romzbss)} + } + + /* Read-only sections, merged into text segment. */ + . = ${TEXT_START_ADDR}; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.gcc_except_table : { *(.rel.gcc_except_table) } + .rela.gcc_except_table : { *(.rela.gcc_except_table) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { KEEP (*(.init)) } =0 + .plt : { *(.plt) } + + .text : { *(.text) + ${RELOCATING+*(.text.*)} + /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) - *(.gnu.linkonce.t*) + ${RELOCATING+*(.gnu.linkonce.t*)} } =0 - _etext = .; - PROVIDE (etext = .); - .fini : { *(.fini) } =0 - .rodata : { *(.rodata) *(.gnu.linkonce.r*) } - .rodata1 : { *(.rodata1) } - /* Adjust the address for the data segment. We want to adjust up to - the same address within the page on the next page up. */ - . = 0x100000; - .data : + + ${RELOCATING+_etext = .;} + ${RELOCATING+PROVIDE (etext = .);} + + /* This is special code area at the end of the normal text section. + It contains a small lookup table at the start followed by the + code pointed to by entries in the lookup table. */ + + .call_table_data ${CALL_TABLE_START_ADDR} : + { + ${RELOCATING+PROVIDE(__ctbp = .);} + *(.call_table_data) + } = 0xff /* Fill gaps with 0xff. */ + + .call_table_text : + { + *(.call_table_text) + } + + .fini : { KEEP (*(.fini)) } =0 + .rodata : { *(.rodata) ${RELOCATING+*(.rodata.*) *(.gnu.linkonce.r*)} } + .rodata1 : { *(.rodata1) } + + .data : { *(.data) - *(.gnu.linkonce.d*) - CONSTRUCTORS + ${RELOCATING+*(.data.*) + *(.gnu.linkonce.d*)} + ${CONSTRUCTING+CONSTRUCTORS} } - .data1 : { *(.data1) } - .ctors : + .data1 : { *(.data1) } + .ctors : { - ___ctors = .; - *(.ctors) - ___ctors_end = .; + ${CONSTRUCTING+___ctors = .;} + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + ${RELOCATING+KEEP (*(SORT(.ctors.*)))} + KEEP (*crtend(.ctors)) + ${CONSTRUCTING+___ctors_end = .;} } - .dtors : + .dtors : { - ___dtors = .; - *(.dtors) - ___dtors_end = .; + ${CONSTRUCTING+___dtors = .;} + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + ${RELOCATING+KEEP (*(SORT(.dtors.*)))} + KEEP (*crtend.o(.dtors)) + ${CONSTRUCTING+___dtors_end = .;} } - .got : { *(.got.plt) *(.got) } - .dynamic : { *(.dynamic) } - .tdata : { *(.tdata) } + .jcr : + { + KEEP (*(.jcr)) + } + + .gcc_except_table : { *(.gcc_except_table) } + + .got : {${RELOCATING+ *(.got.plt)} *(.got) } + .dynamic : { *(.dynamic) } + + .tdata ${TDATA_START_ADDR} : + { + ${RELOCATING+PROVIDE (__ep = .); + *(.tbyte) + *(.tcommon_byte)} + *(.tdata) + ${RELOCATING+*(.tbss) + *(.tcommon)} + } + /* 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 : { *(.rosdata) *(.sdata) } - _edata = .; - PROVIDE (edata = .); - __bss_start = .; - .sbss : { *(.sbss) *(.scommon) } + + .sdata ${SDATA_START_ADDR} : + { + ${RELOCATING+PROVIDE (__gp = . + 0x8000);} + *(.sdata) + } + + /* See comment about .rozdata. */ + .rosdata ${ROSDATA_START_ADDR} : + { + *(.rosdata) + } + + /* We place the .sbss data section AFTER the .rosdata section, so that + it can directly precede the .bss section. This allows runtime startup + code to initialise all the zero-data sections by simply taking the + value of '_edata' and zeroing until it reaches '_end'. */ + + .sbss : + { + ${RELOCATING+__sbss_start = .;} + *(.sbss) + ${RELOCATING+*(.scommon)} + } + + ${RELOCATING+_edata = DEFINED (__sbss_start) ? __sbss_start : . ;} + ${RELOCATING+PROVIDE (edata = _edata);} + .bss : { - *(.dynbss) - *(.bss) - *(COMMON) + ${RELOCATING+__bss_start = DEFINED (__sbss_start) ? __sbss_start : . ;} + ${RELOCATING+__real_bss_start = . ;} + ${RELOCATING+*(.dynbss)} + *(.bss) + ${RELOCATING+*(COMMON)} } - _end = . ; - PROVIDE (end = .); + + ${RELOCATING+_end = . ;} + ${RELOCATING+PROVIDE (end = .);} + ${RELOCATING+PROVIDE (_heap_start = .);} + + .note.renesas 0 : { KEEP(*(.note.renesas)) } + /* 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 .debug DWARF section are relative to the beginning of the - section so we begin .debug at 0. It's not clear yet what needs to happen - for the others. */ - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } -/* .stack 0xffffec00 : { _stack = .; *(.stack) }*/ - .stack 0x200000 : { _stack = .; *(.stack) } - /* These must appear regardless of . */ + .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) } + +EOF + +. $srcdir/scripttempl/DWARF.sc + +cat <