[rtems commit] m68k/mvme*: switch to shared linkcmds.base
Joel Sherrill
joel at rtems.org
Mon Jan 25 20:14:19 UTC 2016
Module: rtems
Branch: master
Commit: 449905a8acaa5eac214c51ef2547b0321e86d6b2
Changeset: http://git.rtems.org/rtems/commit/?id=449905a8acaa5eac214c51ef2547b0321e86d6b2
Author: Joel Sherrill <joel at rtems.org>
Date: Sun Jan 24 11:48:27 2016 -0600
m68k/mvme*: switch to shared linkcmds.base
updates #2542.
---
c/src/lib/libbsp/m68k/mvme147/startup/linkcmds | 195 ++--------------------
c/src/lib/libbsp/m68k/mvme147s/startup/linkcmds | 197 ++--------------------
c/src/lib/libbsp/m68k/mvme162/startup/linkcmds | 206 ++----------------------
c/src/lib/libbsp/m68k/mvme167/startup/linkcmds | 195 +---------------------
c/src/lib/libbsp/m68k/shared/start/start.S | 11 +-
5 files changed, 54 insertions(+), 750 deletions(-)
diff --git a/c/src/lib/libbsp/m68k/mvme147/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme147/startup/linkcmds
index fcbd073..03dd062 100644
--- a/c/src/lib/libbsp/m68k/mvme147/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/mvme147/startup/linkcmds
@@ -1,8 +1,10 @@
/*
* This file contains directives for the GNU linker which are specific
* to the Motorola MVME147 boards.
- *
- * COPYRIGHT (c) 1989-2007.
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2007,2016.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -14,192 +16,17 @@
* May 1996
*/
-/*
- * Declare some sizes.
- */
-RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamSize : 4M;
-_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
-HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
MEMORY
{
- ram : org = 0x0, l = 0x400000
+ bootrom_reserved : ORIGIN = 0x00000000, LENGTH = 0x5000
+ ram : ORIGIN = 0x00005000, LENGTH = RamSize - 0x5000
}
-SECTIONS
-{
- ram : {
- . = 0x5000;
- } >ram
-
- /*
- * Text, data and bss segments
- */
- .text : {
- *(.text*)
-
- /*
- * C++ constructors/destructors
- */
- *(.gnu.linkonce.t.*)
-
- /*
- * Initialization and finalization code.
- *
- * Various files can provide initialization and finalization
- * functions. crtbegin.o and crtend.o are two instances. The
- * body of these functions are in .init and .fini sections. We
- * accumulate the bodies here, and prepend function prologues
- * from crti.o and function epilogues from crtn.o. crti.o must
- * be linked first; crtn.o must be linked last. Because these
- * are wildcards, it doesn't matter if the user does not
- * actually link against crti.o and crtn.o; the linker won't
- * look for a file to match a wildcard. The wildcard also
- * means that it doesn't matter which directory crti.o and
- * crtn.o are in.
- */
- PROVIDE (_init = .);
- *crti.o(.init)
- *(.init)
- *crtn.o(.init)
- PROVIDE (_fini = .);
- *crti.o(.fini)
- *(.fini)
- *crtn.o(.fini)
-
- /*
- * Special FreeBSD sysctl sections.
- */
- . = ALIGN (16);
- __start_set_sysctl_set = .;
- *(set_sysctl_*);
- __stop_set_sysctl_set = ABSOLUTE(.);
- *(set_domain_*);
- *(set_pseudo_*);
-
- /*
- * C++ constructors/destructors
- *
- * gcc uses crtbegin.o to find the start of the constructors
- * and destructors so we make sure it is first. Because this
- * is a wildcard, it doesn't matter if the user does not
- * actually link against crtbegin.o; the linker won't look for
- * a file to match a wildcard. The wildcard also means that
- * it doesn't matter which directory crtbegin.o is in. The
- * constructor and destructor list are terminated in
- * crtend.o. The same comments apply to it.
- */
- . = ALIGN (16);
- *crtbegin.o(.ctors)
- *(.ctors)
- *crtend.o(.ctors)
- *crtbegin.o(.dtors)
- *(.dtors)
- *crtend.o(.dtors)
+REGION_ALIAS ("REGION_TEXT", ram);
+REGION_ALIAS ("REGION_TEXT_LOAD", ram);
+REGION_ALIAS ("REGION_DATA", ram);
+REGION_ALIAS ("REGION_DATA_LOAD", ram);
- /*
- * Exception frame info
- */
- . = ALIGN (16);
- *(.eh_frame)
-
- /*
- * Read-only data
- */
- . = ALIGN (16);
- _rodata_start = .;
- *(.rodata*)
- KEEP (*(SORT(.rtemsroset.*)))
- *(.gnu.linkonce.r*)
-
- . = ALIGN (16);
- PROVIDE (_etext = .);
- } >ram
-
- .tdata : {
- _TLS_Data_begin = .;
- *(.tdata .tdata.* .gnu.linkonce.td.*)
- _TLS_Data_end = .;
- } >ram
-
- .tbss : {
- _TLS_BSS_begin = .;
- *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
- _TLS_BSS_end = .;
- } >ram
-
- _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
- _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
- _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
- _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
- _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
- _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
-
- .data : {
- PROVIDE (_copy_start = .);
- *(.data*)
- KEEP (*(SORT(.rtemsrwset.*)))
- *(.gnu.linkonce.d*)
- *(.gcc_except_table*)
- *(.jcr)
- . = ALIGN (16);
- PROVIDE (_edata = .);
- PROVIDE (_copy_end = .);
- } >ram
- .bss : {
- _clear_start = .;
- *(.dynbss)
- *(.bss* .gnu.linkonce.b.*)
- *(COMMON)
- . = ALIGN (16);
- PROVIDE (end = .);
-
- . += _StackSize;
- . = ALIGN (16);
- _stack_init = .;
- _clear_end = .;
-
- WorkAreaBase = .;
- } >ram
-
- /* 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 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) }
- .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) }
-
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
-}
+INCLUDE linkcmds.base
diff --git a/c/src/lib/libbsp/m68k/mvme147s/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme147s/startup/linkcmds
index fbc8527..7c1e190 100644
--- a/c/src/lib/libbsp/m68k/mvme147s/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/mvme147s/startup/linkcmds
@@ -1,8 +1,10 @@
/*
* This file contains directives for the GNU linker which are specific
- * to the Motorola MVME147 boards.
- *
- * COPYRIGHT (c) 1989-2007.
+ * to the Motorola MVME147s boards.
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2007,2016.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -14,192 +16,17 @@
* May 1996
*/
-/*
- * Declare some sizes.
- */
-RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamSize : 4M;
-HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
-_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
MEMORY
{
- ram : org = 0x0, l = 0x400000
+ bootrom_reserved : ORIGIN = 0x00000000, LENGTH = 0x7000
+ ram : ORIGIN = 0x00007000, LENGTH = RamSize - 0x7000
}
-SECTIONS
-{
- ram : {
- . = 0x7000;
- } >ram
-
- /*
- * Text, data and bss segments
- */
- .text : {
- *(.text*)
-
- /*
- * C++ constructors/destructors
- */
- *(.gnu.linkonce.t.*)
-
- /*
- * Initialization and finalization code.
- *
- * Various files can provide initialization and finalization
- * functions. crtbegin.o and crtend.o are two instances. The
- * body of these functions are in .init and .fini sections. We
- * accumulate the bodies here, and prepend function prologues
- * from crti.o and function epilogues from crtn.o. crti.o must
- * be linked first; crtn.o must be linked last. Because these
- * are wildcards, it doesn't matter if the user does not
- * actually link against crti.o and crtn.o; the linker won't
- * look for a file to match a wildcard. The wildcard also
- * means that it doesn't matter which directory crti.o and
- * crtn.o are in.
- */
- PROVIDE (_init = .);
- *crti.o(.init)
- *(.init)
- *crtn.o(.init)
- PROVIDE (_fini = .);
- *crti.o(.fini)
- *(.fini)
- *crtn.o(.fini)
-
- /*
- * Special FreeBSD sysctl sections.
- */
- . = ALIGN (16);
- __start_set_sysctl_set = .;
- *(set_sysctl_*);
- __stop_set_sysctl_set = ABSOLUTE(.);
- *(set_domain_*);
- *(set_pseudo_*);
-
- /*
- * C++ constructors/destructors
- *
- * gcc uses crtbegin.o to find the start of the constructors
- * and destructors so we make sure it is first. Because this
- * is a wildcard, it doesn't matter if the user does not
- * actually link against crtbegin.o; the linker won't look for
- * a file to match a wildcard. The wildcard also means that
- * it doesn't matter which directory crtbegin.o is in. The
- * constructor and destructor list are terminated in
- * crtend.o. The same comments apply to it.
- */
- . = ALIGN (16);
- *crtbegin.o(.ctors)
- *(.ctors)
- *crtend.o(.ctors)
- *crtbegin.o(.dtors)
- *(.dtors)
- *crtend.o(.dtors)
+REGION_ALIAS ("REGION_TEXT", ram);
+REGION_ALIAS ("REGION_TEXT_LOAD", ram);
+REGION_ALIAS ("REGION_DATA", ram);
+REGION_ALIAS ("REGION_DATA_LOAD", ram);
- /*
- * Exception frame info
- */
- . = ALIGN (16);
- *(.eh_frame)
-
- /*
- * Read-only data
- */
- . = ALIGN (16);
- _rodata_start = .;
- *(.rodata*)
- KEEP (*(SORT(.rtemsroset.*)))
- *(.gnu.linkonce.r*)
-
- . = ALIGN (16);
- PROVIDE (_etext = .);
- } >ram
-
- .tdata : {
- _TLS_Data_begin = .;
- *(.tdata .tdata.* .gnu.linkonce.td.*)
- _TLS_Data_end = .;
- } >ram
-
- .tbss : {
- _TLS_BSS_begin = .;
- *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
- _TLS_BSS_end = .;
- } >ram
-
- _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
- _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
- _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
- _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
- _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
- _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
-
- .data : {
- PROVIDE (_copy_start = .);
- *(.data*)
- KEEP (*(SORT(.rtemsrwset.*)))
- *(.gnu.linkonce.d*)
- *(.gcc_except_table*)
- *(.jcr)
- . = ALIGN (16);
- PROVIDE (_edata = .);
- PROVIDE (_copy_end = .);
- } >ram
- .bss : {
- _clear_start = .;
- *(.dynbss)
- *(.bss* .gnu.linkonce.b.*)
- *(COMMON)
- . = ALIGN (16);
- PROVIDE (end = .);
-
- . += _StackSize;
- . = ALIGN (16);
- _stack_init = .;
- _clear_end = .;
-
- WorkAreaBase = .;
- } >ram
-
- /* 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 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) }
- .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) }
-
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
-}
+INCLUDE linkcmds.base
diff --git a/c/src/lib/libbsp/m68k/mvme162/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme162/startup/linkcmds
index 1368d05..fd77dcf 100644
--- a/c/src/lib/libbsp/m68k/mvme162/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/mvme162/startup/linkcmds
@@ -1,208 +1,32 @@
/*
* This file contains directives for the GNU linker which are specific
- * to the Motorola MVME162 board.
- *
- * COPYRIGHT (c) 1989-2007.
+ * to the Motorola MVME162 boards.
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2007,2016.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*
- * Modifications of respective RTEMS file: COPYRIGHT (c) 1994.
- * EISCAT Scientific Association. M.Savitski
- *
- * This material is a part of the MVME162 Board Support Package
- * for the RTEMS executive. Its licensing policies are those of the
- * RTEMS above.
+ * MVME147 port for TNI - Telecom Bretagne
+ * by Dominique LE CAMPION (Dominique.LECAMPION at enst-bretagne.fr)
+ * May 1996
*/
-/*
- * Declare some sizes.
- */
-RamBase = DEFINED(RamBase) ? RamBase : 0x20000;
RamSize = DEFINED(RamSize) ? RamSize : 1M;
-HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
-_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
MEMORY
{
- ram : org = 0x000000, l = 1M
+ bootrom_reserved : ORIGIN = 0x00000000, LENGTH = 0x20000
+ ram : ORIGIN = 0x00020000, LENGTH = RamSize - 0x20000
}
-SECTIONS
-{
- ram : {
- . = .;
- } >ram
-
- /*
- * Text, data and bss segments
- */
- .text 0x20000 : {
- *(.text*)
-
- /*
- * C++ constructors/destructors
- */
- *(.gnu.linkonce.t.*)
-
- /*
- * Initialization and finalization code.
- *
- * Various files can provide initialization and finalization
- * functions. crtbegin.o and crtend.o are two instances. The
- * body of these functions are in .init and .fini sections. We
- * accumulate the bodies here, and prepend function prologues
- * from crti.o and function epilogues from crtn.o. crti.o must
- * be linked first; crtn.o must be linked last. Because these
- * are wildcards, it doesn't matter if the user does not
- * actually link against crti.o and crtn.o; the linker won't
- * look for a file to match a wildcard. The wildcard also
- * means that it doesn't matter which directory crti.o and
- * crtn.o are in.
- */
- PROVIDE (_init = .);
- *crti.o(.init)
- *(.init)
- *crtn.o(.init)
- PROVIDE (_fini = .);
- *crti.o(.fini)
- *(.fini)
- *crtn.o(.fini)
-
- /*
- * Special FreeBSD sysctl sections.
- */
- . = ALIGN (16);
- __start_set_sysctl_set = .;
- *(set_sysctl_*);
- __stop_set_sysctl_set = ABSOLUTE(.);
- *(set_domain_*);
- *(set_pseudo_*);
+REGION_ALIAS ("REGION_TEXT", ram);
+REGION_ALIAS ("REGION_TEXT_LOAD", ram);
+REGION_ALIAS ("REGION_DATA", ram);
+REGION_ALIAS ("REGION_DATA_LOAD", ram);
- /*
- * C++ constructors/destructors
- *
- * gcc uses crtbegin.o to find the start of the constructors
- * and destructors so we make sure it is first. Because this
- * is a wildcard, it doesn't matter if the user does not
- * actually link against crtbegin.o; the linker won't look for
- * a file to match a wildcard. The wildcard also means that
- * it doesn't matter which directory crtbegin.o is in. The
- * constructor and destructor list are terminated in
- * crtend.o. The same comments apply to it.
- */
- . = ALIGN (16);
- *crtbegin.o(.ctors)
- *(.ctors)
- *crtend.o(.ctors)
- *crtbegin.o(.dtors)
- *(.dtors)
- *crtend.o(.dtors)
-
- /*
- * Exception frame info
- */
- . = ALIGN (16);
- *(.eh_frame)
-
- /*
- * Read-only data
- */
- . = ALIGN (16);
- _rodata_start = .;
- *(.rodata*)
- KEEP (*(SORT(.rtemsroset.*)))
- *(.gnu.linkonce.r*)
-
- . = ALIGN (16);
- PROVIDE (_etext = .);
- } >ram
-
- .tdata : {
- _TLS_Data_begin = .;
- *(.tdata .tdata.* .gnu.linkonce.td.*)
- _TLS_Data_end = .;
- } >ram
-
- .tbss : {
- _TLS_BSS_begin = .;
- *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
- _TLS_BSS_end = .;
- } >ram
-
- _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
- _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
- _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
- _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
- _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
- _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
-
- .data : {
- PROVIDE (_copy_start = .);
- *(.data*)
- KEEP (*(SORT(.rtemsrwset.*)))
- *(.gnu.linkonce.d*)
- *(.gcc_except_table*)
- *(.jcr)
- . = ALIGN (16);
- PROVIDE (_edata = .);
- PROVIDE (_copy_end = .);
- } >ram
- .bss : {
- _clear_start = .;
- *(.dynbss)
- *(.bss* .gnu.linkonce.b.*)
- *(COMMON)
- . = ALIGN (16);
- PROVIDE (end = .);
-
- . += _StackSize;
- . = ALIGN (16);
- _stack_init = .;
- _clear_end = .;
-
- WorkAreaBase = .;
- } >ram
-
- /* 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 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) }
- .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) }
-
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
-}
+INCLUDE linkcmds.base
diff --git a/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds
index b10b29d..dc50449 100644
--- a/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/mvme167/startup/linkcmds
@@ -1,7 +1,6 @@
/*
* This file contains directives for the GNU linker which are specific
- * to the Motorola MVME167 board. This linker script produces ELF
- * executables.
+ * to the Motorola MVME167 board.
*
* Copyright (c) 1999, National Research Council of Canada.
* Some of this material was copied from binutils-2.9.4 linker scripts,
@@ -14,18 +13,8 @@
* http://www.rtems.org/license/LICENSE.
*/
-/* These are not really needed here */
-OUTPUT_FORMAT("elf32-m68k")
-OUTPUT_ARCH(m68k)
-ENTRY(_start)
-
-/*
- * Declare some sizes. Heap is sized at whatever ram space is left.
- */
RamBase = DEFINED(RamBase) ? RamBase : 0x00800000;
RamSize = DEFINED(RamSize) ? RamSize : 4M;
-HeapSize = DEFINED(HeapSize) ? HeapSize : 0;
-_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
MEMORY
{
@@ -33,184 +22,14 @@ MEMORY
This is where we put one board. The base address should be
passed as a parameter when building multiprocessor images
where each board resides at a different address. */
- ram : org = 0x00800000, l = 4M
+ ram : org = RamBase, l = RamSize
rom : org = 0xFF800000, l = 4M
sram : org = 0xFFE00000, l = 128K
}
-SECTIONS
-{
- /*
- * Text, data and bss segments
- */
- .text : {
- *(.text*)
-
- /*
- * C++ constructors/destructors
- */
- *(.gnu.linkonce.t.*)
-
- /*
- * Initialization and finalization code.
- *
- * Various files can provide initialization and finalization
- * functions. crtbegin.o and crtend.o are two instances. The
- * body of these functions are in .init and .fini sections. We
- * accumulate the bodies here, and prepend function prologues
- * from crti.o and function epilogues from crtn.o. crti.o must
- * be linked first; crtn.o must be linked last. Because these
- * are wildcards, it doesn't matter if the user does not
- * actually link against crti.o and crtn.o; the linker won't
- * look for a file to match a wildcard. The wildcard also
- * means that it doesn't matter which directory crti.o and
- * crtn.o are in.
- */
- PROVIDE (_init = .);
- *crti.o(.init)
- *(.init)
- *crtn.o(.init)
-
- PROVIDE (_fini = .);
- *crti.o(.fini)
- *(.fini)
- *crtn.o(.fini)
-
- /*
- * Special FreeBSD sysctl sections.
- */
- . = ALIGN (16);
- __start_set_sysctl_set = .;
- *(set_sysctl_*);
- __stop_set_sysctl_set = ABSOLUTE(.);
- *(set_domain_*);
- *(set_pseudo_*);
-
- /*
- * C++ constructors/destructors
- *
- * gcc uses crtbegin.o to find the start of the constructors
- * and destructors so we make sure it is first. Because this
- * is a wildcard, it doesn't matter if the user does not
- * actually link against crtbegin.o; the linker won't look for
- * a file to match a wildcard. The wildcard also means that
- * it doesn't matter which directory crtbegin.o is in. The
- * constructor and destructor list are terminated in
- * crtend.o. The same comments apply to it.
- */
- . = ALIGN (16);
- *crtbegin.o(.ctors)
- *(.ctors)
- *crtend.o(.ctors)
-
- *crtbegin.o(.dtors)
- *(.dtors)
- *crtend.o(.dtors)
-
- /*
- * Exception frame info
- */
- . = ALIGN (16);
- *(.eh_frame)
+REGION_ALIAS ("REGION_TEXT", ram);
+REGION_ALIAS ("REGION_TEXT_LOAD", ram);
+REGION_ALIAS ("REGION_DATA", ram);
+REGION_ALIAS ("REGION_DATA_LOAD", ram);
- /*
- * Read-only data
- */
- . = ALIGN (16);
- _rodata_start = .;
- *(.rodata*)
- KEEP (*(SORT(.rtemsroset.*)))
- *(.gnu.linkonce.r*)
- PROVIDE(_erodata = . );
-
- . = ALIGN (16);
- PROVIDE (_etext = .);
- } >ram
-
- .tdata : {
- _TLS_Data_begin = .;
- *(.tdata .tdata.* .gnu.linkonce.td.*)
- _TLS_Data_end = .;
- } >ram
-
- .tbss : {
- _TLS_BSS_begin = .;
- *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
- _TLS_BSS_end = .;
- } >ram
-
- _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
- _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
- _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
- _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
- _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
- _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
-
- .data : {
- PROVIDE (_copy_start = .);
- *(.data*)
- KEEP (*(SORT(.rtemsrwset.*)))
- *(.gnu.linkonce.d*)
- *(.gcc_except_table*)
- *(.jcr)
- . = ALIGN (16);
- PROVIDE (_edata = .);
- PROVIDE (_copy_end = .);
- } >ram
-
- .bss : {
- _clear_start = .;
- *(.dynbss)
- *(.bss* .gnu.linkonce.b.*)
- *(COMMON)
- . = ALIGN (16);
- PROVIDE (end = .);
-
- . += _StackSize;
- . = ALIGN (16);
- _stack_init = .;
- _clear_end = .;
-
- WorkAreaBase = .;
- } >ram
-
- /* 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 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) }
- .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) }
-
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
-}
+INCLUDE linkcmds.base
diff --git a/c/src/lib/libbsp/m68k/shared/start/start.S b/c/src/lib/libbsp/m68k/shared/start/start.S
index 41b4c70..b3a3c8b 100644
--- a/c/src/lib/libbsp/m68k/shared/start/start.S
+++ b/c/src/lib/libbsp/m68k/shared/start/start.S
@@ -66,8 +66,8 @@ SYM (start_around):
| zero out uninitialized data area
|
zerobss:
- moveal # SYM (_clear_end),a0 | find end of .bss
- moveal # SYM (_clear_start),a1 | find beginning of .bss
+ moveal # SYM (bsp_section_bss_end),a0 | find end of .bss
+ moveal # SYM (bsp_section_bss_begin),a1 | find beginning of .bss
movel #0,d0
loop: movel #0,a1 at + | to zero out uninitialized
@@ -135,6 +135,13 @@ SYM (initial_usp):
SYM (initial_sr):
.space 2
+ .align 16
+ PUBLIC (starting_stack)
+SYM (starting_stack):
+ .space 0x1000
+ PUBLIC (_stack_init)
+SYM (_stack_init):
+
END_DATA
#endif
END
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