9d507d4d4b
Merge from newlib-csl-20060320-branch:
2006-12-22 Nathan Sidwell <nathan@codesourcery.com>
libgloss/
* m68k/Makefile.in (CF_ISRS): Remove now shared routines.
* m68k/cf-crt0.S (__reset): Define here.
* m68k/cf-isrs.c: Share some ISRS. Add aliases for each IRQ slot.
* m68k/cf-isv.S: Move to .interrupt_vector section. Make each
slot a unique routine.
* m68k/cf.sc: Adjust for .interrupt_vector section.
libgloss/
* m68k/Makefile.in (m5273c3): Rename to ...
(m5272c3): ... here to fix typo.
(m5249c3): New.
(CF_BOARDS): Add it.
140 lines
3.0 KiB
Scala
140 lines
3.0 KiB
Scala
# a linker script template.
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# RAM - start of board's ram
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# RAM_SIZE - size of board's ram
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# ROM - start of board's rom
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# ROM_SIZE - size of board's rom
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# IO - io library name
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test -z "${ROM:+1}" && NOROM=1
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cat <<EOF
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STARTUP(cf-${IO}-crt0.o)
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OUTPUT_ARCH(m68k)
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ENTRY(__start)
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SEARCH_DIR(.)
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GROUP(-lc -l${IO} -lcf)
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__DYNAMIC = 0;
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MEMORY
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{
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${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
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ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
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}
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/* Place the stack at the end of memory, unless specified otherwise. */
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PROVIDE (__stack = ${RAM} + ${RAM_SIZE});
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SECTIONS
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{
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.text :
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{
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CREATE_OBJECT_SYMBOLS
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*(.interrupt_vector)
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cf-${IO}-crt0.o(.text)
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*(.text .text.*)
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*(.gnu.linkonce.t.*)
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. = ALIGN(0x4);
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/* These are for running static constructors and destructors under ELF. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*crtend.o(.ctors))
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*crtend.o(.dtors))
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. = ALIGN(0x4);
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KEEP (*crtbegin.o(.jcr))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .jcr))
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KEEP (*crtend.o(.jcr))
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*(.rodata .rodata.*)
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*(.gnu.linkonce.r.*)
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. = ALIGN(0x4);
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*(.gcc_except_table)
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. = ALIGN(0x4);
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*(.eh_frame)
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. = ALIGN(0x4);
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__INIT_SECTION__ = . ;
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LONG (0x4e560000) /* linkw %fp,#0 */
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*(.init)
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SHORT (0x4e5e) /* unlk %fp */
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SHORT (0x4e75) /* rts */
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. = ALIGN(0x4);
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__FINI_SECTION__ = . ;
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LONG (0x4e560000) /* linkw %fp,#0 */
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*(.fini)
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SHORT (0x4e5e) /* unlk %fp */
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SHORT (0x4e75) /* rts */
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*(.lit)
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. = ALIGN(4);
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_etext = .;
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} >${ROM:+rom}${NOROM:+ram}
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.data :
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{
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__data_load = LOADADDR (.data);
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__data_start = .;
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*(.got.plt) *(.got)
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*(.shdata)
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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. = ALIGN (4);
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_edata = .;
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} >ram ${ROM:+AT>rom}
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.bss :
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{
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__bss_start = . ;
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*(.shbss)
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN (8);
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_end = .;
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__end = _end;
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} >ram ${ROM:+AT>rom}
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.stab 0 (NOLOAD) :
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{
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*(.stab)
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}
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.stabstr 0 (NOLOAD) :
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{
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*(.stabstr)
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}
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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}
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EOF
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