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linkcmds.base @ fd153c73

4.115

Last change on this file since fd153c73 was fd153c73, checked in by Sebastian Huber <sebastian.huber@…>, on 06/12/12 at 13:27:17

bsps: Replace NIRVANA region

Replace the "NIRVANA" region with the more verbose "UNEXPECTED_SECTIONS"
region. Move the region definition into the "linkcmds.base" files.

Property mode set to 100644

File size: 7.9 KB

Rev	Line
[574fb67]	1	/**
	2	* @file
	3	*
	4	* Derived from internal linker script of GNU ld (GNU Binutils) 2.18 for elf32ppc emulation.
	5	*/
	6
	7	OUTPUT_FORMAT ("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
	8	OUTPUT_ARCH (powerpc)
	9	ENTRY (start)
	10
	11	bsp_ram_start = ORIGIN (RAM);
	12	bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
	13	bsp_ram_size = LENGTH (RAM);
	14
	15	bsp_rom_start = ORIGIN (ROM);
	16	bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
	17	bsp_rom_size = LENGTH (ROM);
	18
	19	bsp_section_align = 32;
	20
[e1ee0b59]	21	RamBase = bsp_ram_start;
	22	RamSize = bsp_ram_size;
	23	HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
	24
[fd153c73]	25	MEMORY {
	26	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
	27	}
	28
[574fb67]	29	SECTIONS {
	30	/*
	31	* BSP: MPC83XX registers
	32	*/
	33	.mpc83xx_regs (NOLOAD) : {
	34	IMMRBAR = .;
	35	mpc83xx_regs*(.text)
	36	mpc83xx_regs*(.data)
	37	mpc83xx_regs*(.bss)
	38	mpc83xx_regs*(COMMON)
	39	} > MPC83XX_REGS
	40
	41	/*
	42	* BSP: Reset configuration
	43	*/
	44	.resconf 0x0 : {
	45	*(.resconf)
	46	} > RAM
	47
	48	/*
	49	* BSP: Exception vectors
	50	*/
	51	.vectors 0x100 : {
	52	*(.vectors)
	53	} > RAM
	54
	55	/*
	56	* BSP: The initial stack will live in this area - between the vectors
	57	* and the text section.
	58	*/
	59
	60	.text 0x10000 : {
	61	/*
	62	* BSP: Start of text section
	63	*/
	64	bsp_section_text_start = .;
	65
	66	/*
	67	* BSP: System startup entry
	68	*/
	69	KEEP (*(.entry))
	70
	71	/*
	72	* BSP: Moved into .text from .init
	73	*/
	74	KEEP (*(.init))
	75
	76	(.text .stub .text. .gnu.linkonce.t.*)
	77	KEEP ((.text.personality*))
	78	/* .gnu.warning sections are handled specially by elf32.em. */
	79	*(.gnu.warning)
	80	*(.glink)
	81
	82	/*
	83	* BSP: Special FreeBSD sysctl sections
	84	*/
	85	. = ALIGN (16);
	86	__start_set_sysctl_set = .;
	87	(set_sysctl_);
	88	__stop_set_sysctl_set = ABSOLUTE(.);
	89	(set_domain_);
	90	(set_pseudo_);
	91
	92	/*
	93	* BSP: Moved into .text from .*
	94	*/
	95	(.rodata .rodata. .gnu.linkonce.r.*)
	96	*(.rodata1)
	97	*(.interp)
	98	*(.note.gnu.build-id)
	99	*(.hash)
	100	*(.gnu.hash)
	101	*(.dynsym)
	102	*(.dynstr)
	103	*(.gnu.version)
	104	*(.gnu.version_d)
	105	*(.gnu.version_r)
	106	*(.eh_frame_hdr)
	107
[31ea3109]	108	. = ALIGN (4);
	109
	110	_bsd__start_set_modmetadata_set = .;
	111	*(_bsd_set_modmetadata_set);
	112	_bsd__stop_set_modmetadata_set = .;
	113
	114	_bsd__start_set_sysctl_set = .;
	115	*(_bsd_set_sysctl_set);
	116	_bsd__stop_set_sysctl_set = .;
	117
[574fb67]	118	/*
	119	* BSP: Magic PPC stuff
	120	*/
	121	(.PPC.)
	122
	123	/*
	124	* BSP: Required by cpukit/score/src/threadhandler.c
	125	*/
	126	PROVIDE (_fini = .);
	127
	128	/*
	129	* BSP: Moved into .text from .fini
	130	*/
	131	KEEP (*(.fini))
	132
	133	. = ALIGN (bsp_section_align);
	134
	135	PROVIDE (__etext = .);
	136	PROVIDE (_etext = .);
	137	PROVIDE (etext = .);
	138	} > RAM
	139
	140	.sdata2 : {
	141	PROVIDE (_SDA2_BASE_ = 32768);
	142
	143	(.sdata2 .sdata2. .gnu.linkonce.s2.*)
	144
	145	. = ALIGN (bsp_section_align);
	146	} > RAM
	147
	148	.sbss2 : {
	149	(.sbss2 .sbss2. .gnu.linkonce.sb2.*)
	150
	151	. = ALIGN (bsp_section_align);
	152
	153	/*
[a948e85d]	154	* BSP: End of text section
[574fb67]	155	*/
	156	bsp_section_text_end = .;
	157	} > RAM
	158
	159	.data : {
	160	/*
	161	* BSP: Start of data section
	162	*/
	163	bsp_section_data_start = .;
	164
	165	/*
	166	* BSP: Moved into .data from .ctors
	167	*/
	168	/* gcc uses crtbegin.o to find the start of
	169	the constructors, so we make sure it is
	170	first. Because this is a wildcard, it
	171	doesn't matter if the user does not
	172	actually link against crtbegin.o; the
	173	linker won't look for a file to match a
	174	wildcard. The wildcard also means that it
	175	doesn't matter which directory crtbegin.o
	176	is in. */
	177	KEEP (*crtbegin.o(.ctors))
	178	KEEP (*crtbegin?.o(.ctors))
	179	/* We don't want to include the .ctor section from
	180	the crtend.o file until after the sorted ctors.
	181	The .ctor section from the crtend file contains the
	182	end of ctors marker and it must be last */
	183	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
	184	KEEP ((SORT(.ctors.)))
	185	KEEP (*(.ctors))
	186
	187	/*
	188	* BSP: Moved into .data from .dtors
	189	*/
	190	KEEP (*crtbegin.o(.dtors))
	191	KEEP (*crtbegin?.o(.dtors))
	192	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
	193	KEEP ((SORT(.dtors.)))
	194	KEEP (*(.dtors))
	195
	196	/*
	197	* BSP: Moved into .data from .*
	198	*/
	199	(.tdata .tdata. .gnu.linkonce.td.*)
	200	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
	201	*(.data1)
	202	KEEP (*(.eh_frame))
	203	(.gcc_except_table .gcc_except_table.)
	204	KEEP (*(.jcr))
	205	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.) (.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
	206	*(.fixup)
	207	*(.got1)
	208	*(.got2)
	209	*(.dynamic)
	210	*(.got)
	211	*(.plt)
	212	PROVIDE_HIDDEN (__preinit_array_start = .);
	213	KEEP (*(.preinit_array))
	214	PROVIDE_HIDDEN (__preinit_array_end = .);
	215	PROVIDE_HIDDEN (__init_array_start = .);
	216	KEEP ((SORT(.init_array.)))
	217	KEEP (*(.init_array))
	218	PROVIDE_HIDDEN (__init_array_end = .);
	219	PROVIDE_HIDDEN (__fini_array_start = .);
	220	KEEP (*(.fini_array))
	221	KEEP ((SORT(.fini_array.)))
	222	PROVIDE_HIDDEN (__fini_array_end = .);
	223
	224	(.data .data. .gnu.linkonce.d.*)
	225	KEEP ((.gnu.linkonce.d.personality*))
	226	SORT(CONSTRUCTORS)
	227
	228	. = ALIGN (bsp_section_align);
	229	} > RAM
	230
	231	.sdata : {
	232	PROVIDE (_SDA_BASE_ = 32768);
	233	(.sdata .sdata. .gnu.linkonce.s.*)
	234
	235	. = ALIGN (bsp_section_align);
	236
	237	_edata = .;
	238	PROVIDE (edata = .);
	239
	240	/*
[a948e85d]	241	* BSP: End of data section
[574fb67]	242	*/
	243	bsp_section_data_end = .;
	244	} > RAM
	245
	246	.sbss : {
	247	/*
	248	* BSP: Start of bss section
	249	*/
	250	bsp_section_bss_start = .;
	251
	252	__bss_start = .;
	253
	254	PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
	255	*(.scommon)
	256	*(.dynsbss)
	257	(.sbss .sbss. .gnu.linkonce.sb.*)
	258	PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
	259
	260	. = ALIGN (bsp_section_align);
	261	} > RAM
	262
	263	.bss : {
	264	*(COMMON)
	265	*(.dynbss)
	266	(.bss .bss. .gnu.linkonce.b.*)
	267
	268	. = ALIGN (bsp_section_align);
	269
	270	__end = .;
	271	_end = .;
	272	PROVIDE (end = .);
	273
	274	/*
[a948e85d]	275	* BSP: End of bss section
[574fb67]	276	*/
	277	bsp_section_bss_end = .;
	278	} > RAM
	279
[a948e85d]	280	/*
	281	* BSP: Section sizes
	282	*/
	283	bsp_section_text_size = bsp_section_text_end - bsp_section_text_start;
	284	bsp_section_data_size = bsp_section_data_end - bsp_section_data_start;
	285	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_start;
	286
[574fb67]	287	/*
	288	* BSP: Interrupt stack
	289	*/
[a948e85d]	290	bsp_interrupt_stack_start = bsp_section_bss_end;
[574fb67]	291	bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k;
	292	bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start;
	293
	294	/*
[d4886a06]	295	* BSP: Work area start
[574fb67]	296	*/
[a948e85d]	297	bsp_work_area_start = bsp_interrupt_stack_end;
	298	WorkAreaBase = bsp_work_area_start;
[574fb67]	299
	300	/* Stabs debugging sections. */
	301	.stab 0 : { *(.stab) }
	302	.stabstr 0 : { *(.stabstr) }
	303	.stab.excl 0 : { *(.stab.excl) }
	304	.stab.exclstr 0 : { *(.stab.exclstr) }
	305	.stab.index 0 : { *(.stab.index) }
	306	.stab.indexstr 0 : { *(.stab.indexstr) }
	307	.comment 0 : { *(.comment) }
	308	/* DWARF debug sections.
	309	Symbols in the DWARF debugging sections are relative to the beginning
	310	of the section so we begin them at 0. */
	311	/* DWARF 1 */
	312	.debug 0 : { *(.debug) }
	313	.line 0 : { *(.line) }
	314	/* GNU DWARF 1 extensions */
	315	.debug_srcinfo 0 : { *(.debug_srcinfo) }
	316	.debug_sfnames 0 : { *(.debug_sfnames) }
	317	/* DWARF 1.1 and DWARF 2 */
	318	.debug_aranges 0 : { *(.debug_aranges) }
	319	.debug_pubnames 0 : { *(.debug_pubnames) }
	320	/* DWARF 2 */
	321	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
	322	.debug_abbrev 0 : { *(.debug_abbrev) }
	323	.debug_line 0 : { *(.debug_line) }
	324	.debug_frame 0 : { *(.debug_frame) }
	325	.debug_str 0 : { *(.debug_str) }
	326	.debug_loc 0 : { *(.debug_loc) }
	327	.debug_macinfo 0 : { *(.debug_macinfo) }
	328	/* SGI/MIPS DWARF 2 extensions */
	329	.debug_weaknames 0 : { *(.debug_weaknames) }
	330	.debug_funcnames 0 : { *(.debug_funcnames) }
	331	.debug_typenames 0 : { *(.debug_typenames) }
	332	.debug_varnames 0 : { *(.debug_varnames) }
	333	/* DWARF 3 */
	334	.debug_pubtypes 0 : { *(.debug_pubtypes) }
	335	.debug_ranges 0 : { *(.debug_ranges) }
	336	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
	337
	338	/DISCARD/ : {
	339	(.note.GNU-stack) (.gnu_debuglink)
	340	}
	341
	342	/*
[fd153c73]	343	* This is a RTEMS specific section to catch all unexpected input
	344	* sections. In case you get an error like
	345	* "section `.unexpected_sections' will not fit in region
	346	* `UNEXPECTED_SECTIONS'"
	347	* you have to figure out the offending input section and add it to the
	348	* appropriate output section definition above.
[574fb67]	349	*/
[fd153c73]	350	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
[574fb67]	351	}

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