Mercurial > ecos
diff packages/hal/mips/tx49/current/src/mips_tx49.ld @ 134:d2f49caf9e38 ecos-sw-2000-11-03
Merge from eCos master repository on 2000-11-03-09:00:49-GMT
| author | jlarmour |
|---|---|
| date | Fri, 03 Nov 2000 21:17:40 +0000 |
| parents | |
| children | e0c0827131d1 |
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new file mode 100644 --- /dev/null +++ b/packages/hal/mips/tx49/current/src/mips_tx49.ld @@ -0,0 +1,359 @@ +//=========================================================================== +// +// MLT linker script for MIPS TX49 +// +//=========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//=========================================================================== + +#include <pkgconf/system.h> + +OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", + "elf32-littlemips") +/* The preprocessor defines mips, but we know we're mips :-) */ +#undef mips +OUTPUT_ARCH(mips:4900) + +STARTUP(vectors.o) +ENTRY(reset_vector) +#if defined(EXTRAS) && defined(CYGPKG_IO) +INPUT(extras.o) +#endif +GROUP(libtarget.a libgcc.a) + +/* FIXME: The MLT should pass in the required alignment since it must be + * the same as the VMA's alignment. As a result of this bug, all the REF4955 + * ROM mlt files have alignment 8, when some should have alignment 4 + * (902557-CR) + */ +#define ALIGN_LMA 8 +#define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1)) +#define LMA_EQ_VMA +#define FORCE_OUTPUT . = . + +#define SECTIONS_BEGIN + +#if defined(CYG_HAL_STARTUP_RAM) + +/* this version for RAM startup */ +#define SECTION_rom_vectors(_region_, _vma_, _lma_) \ + .rom_vectors _vma_ : _lma_ \ + { KEEP (*(.utlb_vector)) \ + . = ALIGN(0x80); KEEP(*(.other_vector)) \ + /* debug and reset vector not used in RAM version */ \ + KEEP(*(.debug_vector)) \ + KEEP (*(.reset_vector)) } \ + > _region_ + +#elif defined(CYG_HAL_STARTUP_ROM) + +/* this version for ROM startup */ +#define SECTION_rom_vectors(_region_, _vma_, _lma_) \ + .rom_vectors _vma_ : _lma_ \ + { KEEP (*(.reset_vector)) \ + . = ALIGN(0x100); KEEP (*(.utlb_vector)) \ + . = ALIGN(0x80); KEEP(*(.other_vector)) \ + . = ALIGN(0x100); KEEP(*(.debug_vector)) } \ + > _region_ + +#endif /* ROM startup version of ROM vectors */ + +#define SECTION_ROMISC(_region_, _vma_, _lma_) \ + .interp _vma_ : _lma_ { *(.interp) } > _region_ \ + .hash : FOLLOWING(.interp) { *(.hash) } > _region_ \ + .dynsym : FOLLOWING(.hash) { *(.dynsym) } > _region_ \ + .dynstr : FOLLOWING(.dynsym) { *(.dynstr) } > _region_ \ + .gnu.version : FOLLOWING(.dynstr) { *(.gnu.version) } > _region_ \ + .gnu.version_d : FOLLOWING(.gnu.version) { *(.gnu.version_d) } > _region_ \ + .gnu.version_r : FOLLOWING(.gnu.version_d) { *(.gnu.version_r) } > _region_ \ + .plt : FOLLOWING(.gnu.version_r) { *(.plt) } > _region_ + +#define SECTION_RELOCS(_region_, _vma_, _lma_) \ + .rel.text : \ + { \ + *(.rel.text) \ + *(.rel.text.*) \ + *(.rel.gnu.linkonce.t*) \ + } > _region_ \ + .rela.text : \ + { \ + *(.rela.text) \ + *(.rela.text.*) \ + *(.rela.gnu.linkonce.t*) \ + } > _region_ \ + .rel.data : \ + { \ + *(.rel.data) \ + *(.rel.data.*) \ + *(.rel.gnu.linkonce.d*) \ + } > _region_ \ + .rela.data : \ + { \ + *(.rela.data) \ + *(.rela.data.*) \ + *(.rela.gnu.linkonce.d*) \ + } > _region_ \ + .rel.rodata : \ + { \ + *(.rel.rodata) \ + *(.rel.rodata.*) \ + *(.rel.gnu.linkonce.r*) \ + } > _region_ \ + .rela.rodata : \ + { \ + *(.rela.rodata) \ + *(.rela.rodata.*) \ + *(.rela.gnu.linkonce.r*) \ + } > _region_ \ + .rel.got : { *(.rel.got) } > _region_ \ + .rela.got : { *(.rela.got) } > _region_ \ + .rel.ctors : { *(.rel.ctors) } > _region_ \ + .rela.ctors : { *(.rela.ctors) } > _region_ \ + .rel.dtors : { *(.rel.dtors) } > _region_ \ + .rela.dtors : { *(.rela.dtors) } > _region_ \ + .rel.init : { *(.rel.init) } > _region_ \ + .rela.init : { *(.rela.init) } > _region_ \ + .rel.fini : { *(.rel.fini) } > _region_ \ + .rela.fini : { *(.rela.fini) } > _region_ \ + .rel.bss : { *(.rel.bss) } > _region_ \ + .rela.bss : { *(.rela.bss) } > _region_ \ + .rel.plt : { *(.rel.plt) } > _region_ \ + .rela.plt : { *(.rela.plt) } > _region_ \ + .rel.dyn : { *(.rel.dyn) } > _region_ + +#define SECTION_init(_region_, _vma_, _lma_) \ + .init _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; KEEP (*(.init)) \ + } > _region_ =0 + +#define SECTION_text(_region_, _vma_, _lma_) \ + .text _vma_ : _lma_ \ + { \ + _stext = .; _ftext = . ; \ + *(.text) \ + *(.text.*) \ + *(.stub) \ + *(.gnu.warning) \ + *(.gnu.linkonce.t*) \ + *(.mips16.fn.*) *(.mips16.call.*) \ + } > _region_ =0 \ + _etext = .; PROVIDE (etext = .); + +#define SECTION_fini(_region_, _vma_, _lma_) \ + .fini _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; KEEP (*(.fini)) \ + } > _region_ =0 + +#define SECTION_rodata(_region_, _vma_, _lma_) \ + .rodata _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) \ + } > _region_ + +#define SECTION_rodata1(_region_, _vma_, _lma_) \ + .rodata1 _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.rodata1) *(.rodata1.*) \ + } > _region_ + +#define SECTION_vsr_table(_region_, _vma_, _lma_) \ + .vsr_table _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.vsr_table) \ + } > _region_ + +#define SECTION_data(_region_, _vma_, _lma_) \ + .data _vma_ : _lma_ \ + { \ + __ram_data_start = ABSOLUTE (.); _fdata = . ; \ + *(.data) *(.data.*) *(.gnu.linkonce.d*) \ + . = ALIGN (8); \ + SORT(CONSTRUCTORS) \ + } > _region_ \ + __rom_data_start = LOADADDR(.data); + +#define SECTION_data1(_region_, _vma_, _lma_) \ + .data1 _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.data1) *(.data1.*) \ + } > _region_ + +#define SECTION_eh_frame(_region_, _vma_, _lma_) \ + .eh_frame _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.eh_frame) \ + } > _region_ + +#define SECTION_gcc_except_table(_region_, _vma_, _lma_) \ + .gcc_except_table _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.gcc_except_table) \ + } > _region_ + + +/* FIXME: We shouldn't need to define __CTOR_LIST__/__CTOR_END__ + and __DTOR_LIST__/__DTOR_END__ except by the PROVIDE lines. + However this doesn't work for old (99r1-era) toolchains, so + leave it for now. */ + +/* The KEEP(*_ctors.o(.ctors)) rule is included to prevent + constructors from libgcc.a from turning up in the image. + They are NULL anyway. */ + +#define SECTION_ctors(_region_, _vma_, _lma_) \ + .ctors _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; \ + KEEP (*crtbegin.o(.ctors)) \ + KEEP (*_ctors.o(.ctors)) \ + __CTOR_LIST__ = .; \ + PROVIDE (__CTOR_LIST__ = .); \ + KEEP (*(.ctors)); \ + KEEP (*(SORT(.ctors.*))) \ + __CTOR_END__ = .; \ + PROVIDE (__CTOR_END__ = .); \ + } > _region_ + +#define SECTION_dtors(_region_, _vma_, _lma_) \ + .dtors _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; \ + KEEP (*crtbegin.o(.dtors)) \ + __DTOR_LIST__ = .; \ + PROVIDE (__DTOR_LIST__ = .); \ + KEEP (*(SORT(.dtors.*))) \ + __DTOR_END__ = .; \ + KEEP (*(.dtors)); \ + PROVIDE (__DTOR_END__ = .); \ + } > _region_ + +#define SECTION_devtab(_region_, _vma_, _lma_) \ + .devtab _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; \ + KEEP(*( SORT (.ecos.table.*))) ; \ + } > _region_ + +#define SECTION_got(_region_, _vma_, _lma_) \ + _gp = ALIGN(16) + 0x7ff0; \ + .got _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.got.plt) *(.got) \ + } > _region_ + +#define SECTION_dynamic(_region_, _vma_, _lma_) \ + .dynamic _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.dynamic) \ + } > _region_ + + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + +#define SECTION_sdata(_region_, _vma_, _lma_) \ + .sdata _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.sdata) *(.sdata.*) *(.gnulinkonce.s*) \ + } > _region_ + +#define SECTION_lit8(_region_, _vma_, _lma_) \ + .lit8 _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.lit8) \ + } > _region_ + +#define SECTION_lit4(_region_, _vma_, _lma_) \ + .lit4 : FOLLOWING(.lit8) \ + { \ + FORCE_OUTPUT; *(.lit4) \ + } > _region_ \ + __ram_data_end = .; _edata = . ; \ + PROVIDE (edata = .); + +#define SECTION_sbss(_region_, _vma_, _lma_) \ + __bss_start = .; _fbss = .; \ + .sbss _vma_ : _lma_ \ + { \ + FORCE_OUTPUT; *(.dynsbss) *(.sbss) *(.sbss.*) *(.scommon) \ + } > _region_ + +#define SECTION_bss(_region_, _vma_, _lma_) \ + .bss _vma_ : _lma_ \ + { \ + *(.dynbss) *(.bss) *(.bss.*) *(COMMON) \ + } > _region_ \ + __bss_end = .; + +/* The /DISCARD/ section ensures that the output will not contain a + * .mdebug section as it confuses GDB. This is a workaround for CR 100804. + */ + +#define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .); \ + /* 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 . */ \ + .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } \ + .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } \ + /DISCARD/ 0 : { *(.mdebug) } + +#include CYGHWR_MEMORY_LAYOUT_LDI + +// 0-0x200 reserved for vectors +hal_vsr_table = 0x80000200; +hal_virtual_vector_table = 0x80000300;