newlib/libgloss/m68k/cf.sc
Jeff Johnston 12cb181da7 2006-12-11 Kazu Hirata <kazu@codesourcery.com>
Merge from newlib-csl-20060320-branch:
	2006-12-01  Nathan Sidwell  <nathan@codesourcery.com>
		    Kazu Hirata  <kazu@codesourcery.com>

	* m68k/Makefile.in (CF_ISRS): Use addprefix.

	2006-11-01 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CFLAGS): Do not clear.  Add to all compilations.
	(ARFLAGS): Remove commented out definition.


	* m68k/configure.in (DO) Set to list of target cpu families.
	* m68k/configure: Rebuilt.
	* m68k/Makefile.in (DO): New.
	(UNHOSTED_BSP, UNHOSTED_OBJS, HOSTED_BSP, HOSTED_OBJS): Move
	later.
	(m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5275evb,
	m5282evb, m5329evb, m5485evb): Move earlier.
	(all): Add all_$DO dependencies.
	(all_cf, all_m68k): New targets, depend on cf & m68k bsps as
	appropriate.
	(m%-ram.ld, m%-rom.ld, m%-ram-hosted.ld, m%-rom-hosted.ld): Add
	'm' prefix.
	(install): Add install_$DO dependencies.
	(install_cf, install_m68k): New targets.  Perform cf and m68k
	installs as appropriate.
	(install_io): New, install the io libraries.


	2006-10-23 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_CRT0): Rename to CF_CRT0S, separate hosted
	& unhosted versions.
	(CF_OBJS): Add cf-isv.o.
	(CF_SOURCES): Add cf-isv.S.
	(cf-hosted-crt0.o, cf-unhosted-crt0.o): New targets.
	* m68k/cf-isv.S: New, broken out of ...
	* m68k/cf-crt0.S: ... here.  Add HOSTED & UNHOSTED differences.
	* m68k/cf-crt1.c (__start1): Add heap_limit argument.
	(__heap_limit): Define.
	* m68k/cf-sbrk.c (__heap_limit): Declare.
	(sbrk): Adjust for __heap_limit.
	* m68k/cf.sc: Use different crt0's for hosted & unhosted.
	Install a separate isv.o file.
	* m68k/io.h (HOSTED_PUTCHAR): Replace with ...
	(HOSTED_INIT_SIM): ... this.


	2006-10-20 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_BOARDS): Add m5275evb.
	(m5275evb): New board.


	2006-10-20 Vladimir Prus <vladimir@codesourcery.com>

	* m68k/cf.sc: Add linkonce sections and
	DWARF sections.


	2006-10-07 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in: Adjust Coldfire rules.
	(BDM_CRT0, BDM_BSP, BDM_OBJS, BDM_ISRS): Rename	to ...
	(CF_CRT0, CF_BSP, CF_OBJS, CF_ISRS): ... here.  Adjust.
	(BDM_OTHER_OBJS): Remove.
	(BDM_SYSOBJS): Rename to ...
	(UNHOSTED_OBJS): ... here.  Adjust.
	(UNHOSTED_BSP, HOSTED_OBJS, HOSTED_BSP): New.
	(CF_HOSTED_SCRIPTS): New.
	(CF_SCRIPTS, CF_SOURCES): Adjust.
	* m68k/cf.sc: Add IO library variable.
	* m68k/bdm-crt0.S, m68k/bdm-crt1.c, m68k/bdm-isrs.c,
	m68k/bdm-sbrk.c, m68k/bdm-semihost.S: Rename to ...
	* m68k/cf-crt0.S, m68k/cf-crt1.c, m68k/cf-isrs.c, m68k/cf-sbrk.c,
	m68k/cf-hosted.S: ... here.
	* m68k/cf-exit.c: New.
	* m68k/bdm-gdb.h, m68k/bdm-semihost.h: Merge into ...
	* m68k/io.h: ... here.  Add unhosted support.  Adjust conversion
	function names.
	* m68k/bdm-gdb.c: Rename to ...
	* m68k/io-gdb.c: ... here.  Adjust names of conversion functions.
	* m68k/bdm-close.c, m68k/bdm-exit.c, m68k/bdm-fstat.c,
	m68k/bdm-gettimeofday.c, m68k/bdm-isatty.c, m68k/bdm-lseek.c,
	m68k/bdm-open.c, m68k/bdm-read.c, m68k/bdm-rename.c,
	m68k/bdm-stat.c, m68k/bdm-system.c, m68k/bdm-time.c,
	m68k/bdm-unlink.c, m68k/bdm-write.c: Rename to ...
	* m68k/io-close.c, m68k/io-exit.c, m68k/io-fstat.c,
	m68k/io-gettimeofday.c, m68k/io-isatty.c, m68k/io-lseek.c,
	m68k/io-open.c, m68k/io-read.c, m68k/io-rename.c, m68k/io-stat.c,
	m68k/io-system.c, m68k/io-time.c, m68k/io-unlink.c,
	m68k/io-write.c: ... here.  Include io.h. Adjust for hosted &
	unhosted libraries.  Adjust names of gdb conversion functions.


	2006-09-29 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/bdm-semihost.S: Add more comments. Make instruction weirder.

	2006-09-22 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/bdm-crt1.c (hardware_init_hook): Use #defines for CACR bits.

	2006-09-18 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in: Don't force a frame pointer on the ISRs.
	* m68k/bdm-crt1.c (__start1): Don't set the VBR here.
	(hardeare_init_hook): Define weakly.  Set VBR here, enable caching
	if supported.


	* m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S.
	* m68k/bdm-semihost.c: Remove.
	* m68k/bdm-semihost.S: New.
	* m68k/bdm-crt0.S: Don't install semihosting trap handler.
	* m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c,
	bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c,
	bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update.
	* m68k/bdm-isrs.c: Update comment.
	* m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG,
	BDM_TRAP): Remove.
	(__bdm_semihost): Declare.


	2006-09-15 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (BDM_OTHER_OBJS): Remove sbrk.o.
	(BDM_SYSOBJS): Add bdm-sbrk.o.
	* m68k/bdm-sbrk.c: New.


	2006-09-06 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_SOURCES): New.
	(install): Install them.


	2006-09-01 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/cf.sc: Add .jcr section to .text.
2006-12-11 19:58:01 +00:00

139 lines
3.0 KiB
Scala

# a linker script template.
# RAM - start of board's ram
# RAM_SIZE - size of board's ram
# ROM - start of board's rom
# ROM_SIZE - size of board's rom
# IO - io library name
test -z "${ROM:+1}" && NOROM=1
cat <<EOF
STARTUP(cf-${IO}-crt0.o)
OUTPUT_ARCH(m68k)
ENTRY(__start)
SEARCH_DIR(.)
GROUP(-lc -l${IO} -lcf)
__DYNAMIC = 0;
MEMORY
{
${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
}
/* Place the stack at the end of memory, unless specified otherwise. */
PROVIDE (__stack = ${RAM} + ${RAM_SIZE});
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
KEEP (*cf-isv.o(.text))
cf-${IO}-crt0.o(.text)
*(.text .text.*)
*(.gnu.linkonce.t.*)
. = ALIGN(0x4);
/* These are for running static constructors and destructors under ELF. */
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend.o(.ctors))
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
. = ALIGN(0x4);
KEEP (*crtbegin.o(.jcr))
KEEP (*(EXCLUDE_FILE (*crtend.o) .jcr))
KEEP (*crtend.o(.jcr))
*(.rodata .rodata.*)
*(.gnu.linkonce.r.*)
. = ALIGN(0x4);
*(.gcc_except_table)
. = ALIGN(0x4);
*(.eh_frame)
. = ALIGN(0x4);
__INIT_SECTION__ = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.init)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
. = ALIGN(0x4);
__FINI_SECTION__ = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.fini)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
*(.lit)
. = ALIGN(4);
_etext = .;
} >${ROM:+rom}${NOROM:+ram}
.data :
{
__data_load = LOADADDR (.data);
__data_start = .;
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN (4);
_edata = .;
} >ram ${ROM:+AT>rom}
.bss :
{
__bss_start = . ;
*(.shbss)
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN (8);
_end = .;
__end = _end;
} >ram ${ROM:+AT>rom}
.stab 0 (NOLOAD) :
{
*(.stab)
}
.stabstr 0 (NOLOAD) :
{
*(.stabstr)
}
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
}
EOF