12cb181da7
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.
139 lines
3.0 KiB
Scala
139 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} + ${RAM_SIZE});
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SECTIONS
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{
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.text :
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{
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CREATE_OBJECT_SYMBOLS
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KEEP (*cf-isv.o(.text))
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cf-${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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