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Diffstat (limited to 'ld/scripttempl/crisaout.sc')
| -rw-r--r-- | ld/scripttempl/crisaout.sc | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/ld/scripttempl/crisaout.sc b/ld/scripttempl/crisaout.sc new file mode 100644 index 0000000..e9a9515 --- /dev/null +++ b/ld/scripttempl/crisaout.sc @@ -0,0 +1,145 @@ +# Copyright (C) 2014 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 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("a.out-cris") +OUTPUT_ARCH(cris) +${RELOCATING+ENTRY (__start)} +SECTIONS +{ + .text ${RELOCATING+ ${TEXT_START_ADDR}}: + { + CREATE_OBJECT_SYMBOLS; + ${CONSTRUCTING+ __Stext = .;} + ${RELOCATING+*(.startup)} + *(.text) + ${CONSTRUCTING+__start = DEFINED(__start) ? __start : + DEFINED(_start) ? _start : + DEFINED(start) ? start : + DEFINED(.startup) ? .startup + 2 : 2;} + ${RELOCATING+*(.text.*)} + ${RELOCATING+*(.gnu.linkonce.t*)} + ${RELOCATING+*(.rodata)} + ${RELOCATING+*(.rodata.*)} + ${RELOCATING+*(.gnu.linkonce.r*)} + + /* Do not "provide" init-start and fini-start symbols; they might be + referred to weakly, so the linker would not override the zero + default. + FIXME: It's somewhat unexpected to have code emitted by the linker + script. Some other mechanism could probably do better. */ + ${CONSTRUCTING+ . = ALIGN (2);} + ${CONSTRUCTING+ ___init__start = .;} + ${CONSTRUCTING+ PROVIDE (___do_global_ctors = .);} + ${CONSTRUCTING+ SHORT (0xe1fc); /* push srp */} + ${CONSTRUCTING+ SHORT (0xbe7e);} + ${CONSTRUCTING+ *(.init)} + ${CONSTRUCTING+ SHORT (0x0d3e); /* jump [sp+] */} + ${CONSTRUCTING+ PROVIDE (__init__end = .);} + ${CONSTRUCTING+ PROVIDE (___init__end = .);} + + ${CONSTRUCTING+ . = ALIGN (2);} + ${CONSTRUCTING+ ___fini__start = .;} + ${CONSTRUCTING+ PROVIDE (___do_global_dtors = .);} + ${CONSTRUCTING+ SHORT (0xe1fc); /* push srp */} + ${CONSTRUCTING+ SHORT (0xbe7e);} + ${CONSTRUCTING+ *(.fini)} + ${CONSTRUCTING+ SHORT (0x0d3e); /* jump [sp+] */} + ${CONSTRUCTING+ PROVIDE (__fini__end = .);} + ${CONSTRUCTING+ ___fini__end = .;} + + /* Cater to linking from ELF. */ + ${CONSTRUCTING+ PROVIDE(___ctors = .);} + ${CONSTRUCTING+ ___elf_ctors_dtors_begin = .;} + ${CONSTRUCTING+ KEEP (*crtbegin.o(.ctors))} + ${CONSTRUCTING+ KEEP (*crtbegin?.o(.ctors))} + ${CONSTRUCTING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .ctors))} + ${CONSTRUCTING+ KEEP (*(SORT(.ctors.*)))} + ${CONSTRUCTING+ KEEP (*(.ctors))} + ${CONSTRUCTING+ PROVIDE(___ctors_end = .);} + + ${CONSTRUCTING+ PROVIDE(___dtors = .);} + ${CONSTRUCTING+ KEEP (*crtbegin.o(.dtors))} + ${CONSTRUCTING+ KEEP (*crtbegin?.o(.dtors))} + ${CONSTRUCTING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .dtors))} + ${CONSTRUCTING+ KEEP (*(SORT(.dtors.*)))} + ${CONSTRUCTING+ KEEP (*(.dtors))} + ${CONSTRUCTING+ PROVIDE(___dtors_end = .);} + ${CONSTRUCTING+ ___elf_ctors_dtors_end = .;} + + /* We include objects that force alignment of the data segment. + Unfortunately that sometimes causes a gap between .text and .data, + which is not detectable since .data does not have a start address + of itself in the a.out header. This should only matter for + testing; for production use, .data is at a "known" location. + We assume .data does not get an alignment larger than 32 bytes. */ + ${CONSTRUCTING+. = ALIGN (32);} + + ${CONSTRUCTING+ __Etext = .;} + + /* Deprecated, use __Etext. */ + ${CONSTRUCTING+ PROVIDE(_etext = .);} + } + + /* Any dot-relative start-expression (such as "ALIGN(2)", also including + the "default" .data alignment expression) will use the initial, raw + size of .text and will be incorrect if the alignment used is less + than the alignment for .text (which might depend on input and obj + format). FIXME: Seems like a bug in ld. Seems hard to fix. Seems + unimportant. */ + .data : + { + ${CONSTRUCTING+ __Sdata = .;} + *(.data); + ${RELOCATING+*(.data.*)} + ${RELOCATING+*(.gnu.linkonce.d*)} + ${RELOCATING+*(.eh_frame) /* FIXME: Make .text */} + ${RELOCATING+*(.gcc_except_table)} + + /* See comment at ALIGN before __Etext. */ + ${CONSTRUCTING+. = ALIGN (32);} + + ${CONSTRUCTING+ __Edata = .;} + + /* Deprecated, use __Edata. */ + ${CONSTRUCTING+ PROVIDE(_edata = .);} + } + + .bss : + { + /* Deprecated, use __Sbss. */ + ${CONSTRUCTING+ PROVIDE(_bss_start = .);} + + ${CONSTRUCTING+ __Sbss = .;} + *(.bss) + ${RELOCATING+*(.bss.*)} + *(COMMON) + ${CONSTRUCTING+ __Ebss = .;} + + /* Deprecated, use __Ebss or __Eall as appropriate. */ + ${CONSTRUCTING+ PROVIDE(_end = .);} + ${CONSTRUCTING+ PROVIDE(__end = .);} + } + ${CONSTRUCTING+ __Eall = .;} + + /* Unfortunately, stabs are not mappable from ELF to a.out. + It can probably be fixed with some amount of work. */ + /DISCARD/ : + { *(.stab) *(.stab*) *(.debug) *(.debug*) *(.comment) *(.gnu.warning.*) } + + /* For the rsim and xsim simulators. */ + ${CONSTRUCTING+ PROVIDE(__Endmem = 0x10000000);} + + /* For elinux. */ + ${CONSTRUCTING+ PROVIDE(__Stacksize = 0);} +} +EOF |