From 449905a8acaa5eac214c51ef2547b0321e86d6b2 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Sun, 24 Jan 2016 11:48:27 -0600 Subject: 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 fcbd073a71..03dd062b05 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 fbc85271a2..7c1e19054f 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 1368d05831..fd77dcf147 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@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 b10b29d13b..dc50449b29 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 41b4c7031c..b3a3c8b664 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@+ | 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 -- cgit v1.2.3