diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/plugin.ld')
| -rw-r--r-- | backends/platform/ds/arm9/source/plugin.ld | 438 |
1 files changed, 202 insertions, 236 deletions
diff --git a/backends/platform/ds/arm9/source/plugin.ld b/backends/platform/ds/arm9/source/plugin.ld index 0296dd571d..2b2bca9745 100644 --- a/backends/platform/ds/arm9/source/plugin.ld +++ b/backends/platform/ds/arm9/source/plugin.ld @@ -1,4 +1,5 @@ -OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") +OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", + "elf32-littlearm") OUTPUT_ARCH(arm) /* PHDRS specifies ELF Program Headers (or segments) to the plugin linker */ @@ -6,247 +7,212 @@ PHDRS { plugin PT_LOAD ; /* Specifies that the plugin segment should be loaded from file */ } -MEMORY { - rom : ORIGIN = 0x08000000, LENGTH = 32M - ewram : ORIGIN = 0x02000000, LENGTH = 4M - 4k - dtcm : ORIGIN = 0x0b000000, LENGTH = 16K - vectors : ORIGIN = 0x01000000, LENGTH = 256 - itcm : ORIGIN = 0x01000100, LENGTH = 32K - 256 -} - -__vectors_start = ORIGIN(vectors); -__itcm_start = ORIGIN(itcm); -__ewram_end = ORIGIN(ewram) + LENGTH(ewram); -__eheap_end = ORIGIN(ewram) + LENGTH(ewram); -__dtcm_start = ORIGIN(dtcm); -__dtcm_top = ORIGIN(dtcm) + LENGTH(dtcm); -__irq_flags = __dtcm_top - 0x08; -__irq_vector = __dtcm_top - 0x04; - -__sp_svc = __dtcm_top - 0x100; -__sp_irq = __sp_svc - 0x100; -__sp_usr = __sp_irq - 0x100; - SECTIONS { - .init : - { - __text_start = . ; - KEEP (*(.init)) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram :plugin = 0xff - - .plt : { *(.plt) } >ewram = 0xff - - .text : /* ALIGN (4): */ - { - *(EXCLUDE_FILE (*.itcm*) .text) - - *(.text.*) - *(.stub) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - *(.gnu.linkonce.t*) - *(.glue_7) - *(.glue_7t) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram = 0xff - - .fini : - { - KEEP (*(.fini)) - } >ewram =0xff - - __text_end = . ; - - .rodata : - { - *(.rodata) - *all.rodata*(*) - *(.roda) - *(.rodata.*) - *(.gnu.linkonce.r*) - SORT(CONSTRUCTORS) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram = 0xff - - .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >ewram + /* Read-only sections, merged into text segment: */ + . = 0; + .interp : { *(.interp) } : plugin + .note.gnu.build-id : { *(.note.gnu.build-id) } + .hash : { *(.hash) } + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.dyn : + { + *(.rel.init) + *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) + *(.rel.fini) + *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) + *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) + *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) + *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) + *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) + *(.rel.ctors) + *(.rel.dtors) + *(.rel.got) + *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) + PROVIDE_HIDDEN (__rel_iplt_start = .); + *(.rel.iplt) + PROVIDE_HIDDEN (__rel_iplt_end = .); + PROVIDE_HIDDEN (__rela_iplt_start = .); + PROVIDE_HIDDEN (__rela_iplt_end = .); + } + .rela.dyn : + { + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + PROVIDE_HIDDEN (__rel_iplt_start = .); + PROVIDE_HIDDEN (__rel_iplt_end = .); + PROVIDE_HIDDEN (__rela_iplt_start = .); + *(.rela.iplt) + PROVIDE_HIDDEN (__rela_iplt_end = .); + } + .rel.plt : + { + *(.rel.plt) + } + .rela.plt : + { + *(.rela.plt) + } + .init : + { + KEEP (*(.init)) + } =0 + .plt : { *(.plt) } + .iplt : { *(.iplt) } + .text : + { + *(.text.unlikely .text.*_unlikely) + *(.text .stub .text.* .gnu.linkonce.t.*) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx) + } =0 + .fini : + { + KEEP (*(.fini)) + } =0 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } + .rodata1 : { *(.rodata1) } + .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } __exidx_start = .; - .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >ewram + .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } __exidx_end = .; - /* Ensure the __preinit_array_start label is properly aligned. We - could instead move the label definition inside the section, but - the linker would then create the section even if it turns out to - be empty, which isn't pretty. */ - . = ALIGN(32 / 8); - PROVIDE (__preinit_array_start = .); - .preinit_array : { KEEP (*(.preinit_array)) } >ewram = 0xff - PROVIDE (__preinit_array_end = .); - PROVIDE (__init_array_start = .); + .eh_frame_hdr : { *(.eh_frame_hdr) } + .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } + .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)); + /* Exception handling */ + .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } + .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } + /* Thread Local Storage sections */ + .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } + .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } + .preinit_array : + { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } .init_array : { - KEEP (*(SORT(.init_array.*))) - KEEP (*(.init_array)) - } >ewram = 0xff - PROVIDE (__init_array_end = .); - PROVIDE (__fini_array_start = .); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + } .fini_array : { - KEEP (*(.fini_array)) - KEEP (*(SORT(.fini_array.*))) - } >ewram = 0xff - PROVIDE (__fini_array_end = .); - - .ctors : - { - /* gcc uses crtbegin.o to find the start of the constructors, 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. */ - ___plugin_ctors = .; - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - ___plugin_ctors_end = .; - } >ewram = 0xff - - .dtors : - { - ___plugin_dtors = .; - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - ___plugin_dtors_end = .; - } >ewram = 0xff - - .eh_frame : - { - KEEP (*(.eh_frame)) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram = 0xff - - .gcc_except_table : - { - *(.gcc_except_table) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram = 0xff - .jcr : { KEEP (*(.jcr)) } >ewram = 0 - .got : { *(.got.plt) *(.got) *(.rel.got) } >ewram = 0 - - .ewram ALIGN(4) : - { - __ewram_start = ABSOLUTE(.) ; - *(.ewram) - *ewram.*(.text) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - } >ewram = 0xff - - - .data ALIGN(4) : - { - __data_start = ABSOLUTE(.); - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - . = ALIGN(4); - __data_end = ABSOLUTE(.) ; - } >ewram = 0xff - - - __dtcm_lma = . ; - __bss_vma = . ; - - .dtcm __dtcm_start : AT (__dtcm_lma) - { - *(.dtcm) - *(.dtcm.*) - . = ALIGN(4); - __dtcm_end = ABSOLUTE(.); - } >dtcm = 0xff - - - __itcm_lma = __dtcm_lma + SIZEOF(.dtcm); - - .itcm __itcm_start : AT (__itcm_lma) - { - *(.itcm) - *itcm.*(.text) - . = ALIGN(4); - __itcm_end = ABSOLUTE(.); - } >itcm = 0xff - - __vectors_lma = __itcm_lma + SIZEOF(.itcm); - - .vectors __vectors_start : AT (__vectors_lma) - { - *(.vectors) - *vectors.*(.text) - . = ALIGN(4); - __vectors_end = ABSOLUTE(.); - } >vectors = 0xff - - .sbss __dtcm_end (NOLOAD): - { - __sbss_start = ABSOLUTE(.); - __sbss_start__ = ABSOLUTE(.); - *(.sbss) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - __sbss_end = ABSOLUTE(.); - } >dtcm - - .bss __bss_vma (NOLOAD): - { - __bss_start = ABSOLUTE(.); - __bss_start__ = ABSOLUTE(.); - *(.dynbss) - *(.gnu.linkonce.b*) - *(.bss*) - *(COMMON) - . = ALIGN(4); /* REQUIRED. LD is flaky without it. */ - __bss_end = ABSOLUTE(.) ; - __bss_end__ = __bss_end ; - } AT>ewram - - - _end = __bss_end__ ; - __end__ = __bss_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) } - .stack 0x80000 : { _stack = .; *(.stack) } - /* These must appear regardless of . */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE_HIDDEN (__fini_array_end = .); + } + .ctors : + { + ___plugin_ctors = .; + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + ___plugin_ctors_end = .; + } + .dtors : + { + ___plugin_dtors = .; + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + ___plugin_dtors_end = .; + } + .jcr : { KEEP (*(.jcr)) } + .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } + .dynamic : { *(.dynamic) } + .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } + .data : + { + __data_start = . ; + *(.data .data.* .gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } + .data1 : { *(.data1) } + _edata = .; PROVIDE (edata = .); + __bss_start = .; + __bss_start__ = .; + .bss : + { + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. + FIXME: Why do we need it? When there is no .bss section, we don't + pad the .data section. */ + . = ALIGN(. != 0 ? 32 / 8 : 1); + } + _bss_end__ = . ; __bss_end__ = . ; + . = ALIGN(32 / 8); + . = ALIGN(32 / 8); + __end__ = . ; + _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 .gnu.linkonce.wi.*) } + .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) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + .stack 0x80000 : + { + _stack = .; + *(.stack) + } + .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) } + .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } + /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } } |