From dc072cbd0166fb44255c1368a458f15a86ca9eab Mon Sep 17 00:00:00 2001 From: Dave Murphy Date: Wed, 14 Jun 2006 06:34:39 +0000 Subject: [PATCH] allow changing of base address without editing linkscripts --- dkppc/crtls/gcn.ld | 93 +++---- dkppc/crtls/ogc.ld | 605 +++++++++++++++++++++++---------------------- 2 files changed, 362 insertions(+), 336 deletions(-) diff --git a/dkppc/crtls/gcn.ld b/dkppc/crtls/gcn.ld index cd671b4..bfdd49c 100644 --- a/dkppc/crtls/gcn.ld +++ b/dkppc/crtls/gcn.ld @@ -9,57 +9,14 @@ SEARCH_DIR("/powerpc/powerpc-eabi-elf/lib"); PROVIDE (__stack = 0x817F0000); SECTIONS { - /* Read-only sections, merged into text segment: */ - . = 0x80003100; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } - .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } - .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } - .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } - .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } - .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } - .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } - .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } - .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rela.got1 : { *(.rela.got1) } - .rela.got2 : { *(.rela.got2) } - .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } - .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } - .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } - .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) } - .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } - .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } - .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } - .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } - .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } - .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } /* DOL header (from TITANIK's GC docs) */ - file_start = 0x80003000; - . = file_start; + . = 0x80003000; .header : { + file_start = .; /* 0000-001B Text[0..6] sections File Positions */ LONG(text_file_start); LONG(0); @@ -136,13 +93,57 @@ SECTIONS } -. = 0x80003100; + . = file_start + 0x100; + text_mem_start = .; .init : { KEEP (*(.init)) } =0 + /* Read-only sections, merged into text segment: */ + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } + .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } + .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } + .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } + .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } + .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } + .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } + .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } + .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rela.got1 : { *(.rela.got1) } + .rela.got2 : { *(.rela.got2) } + .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } + .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } + .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } + .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) } + .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } + .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } + .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } + .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } + .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } + .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .text : { *(.text .stub .text.* .gnu.linkonce.t.*) diff --git a/dkppc/crtls/ogc.ld b/dkppc/crtls/ogc.ld index 8dd70dd..a19fca4 100644 --- a/dkppc/crtls/ogc.ld +++ b/dkppc/crtls/ogc.ld @@ -19,313 +19,335 @@ ENTRY(_start); SECTIONS { - /* DOL header (from TITANIK's GC docs) - */ - file_start = 0x80003000; - . = file_start; + /* DOL header (from TITANIK's GC docs) */ + /* default base address */ + . = 0x80003000; + .header : + { + file_start = .; + /* 0000-001B Text[0..6] sections File Positions */ + LONG(text_file_start); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - .header : - { - /* 0000-001B Text[0..6] sections File Positions */ - LONG(text_file_start); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 001C-0047 Data[0..10] sections File Positions */ + LONG(data_file_start); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - /* 001C-0047 Data[0..10] sections File Positions */ - LONG(data_file_start); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 0048-0063 Text[0..6] sections Mem Address */ + LONG(text_mem_start); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - /* 0048-0063 Text[0..6] sections Mem Address */ - LONG(text_mem_start); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 0064-008F Data[0..10] sections Mem Address */ + LONG(data_mem_start); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - /* 0064-008F Data[0..10] sections Mem Address */ - LONG(data_mem_start); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 0090-00AB Text[0..6] sections Sizes */ + LONG(text_mem_size); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - /* 0090-00AB Text[0..6] sections Sizes */ - LONG(text_mem_size); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 00AC-00D7 Data[0..10] sections Sizes */ + LONG(data_mem_size); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); + LONG(0); - /* 00AC-00D7 Data[0..10] sections Sizes */ - LONG(data_mem_size); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); - LONG(0); + /* 00D8 BSS Mem address + 00DC BSS Size */ + LONG(bss_mem_start); + LONG(bss_mem_size); - /* 00D8 BSS Mem address - * 00DC BSS Size */ - LONG(bss_mem_start); - LONG(bss_mem_size); + /* 00E0 Entry Point */ + LONG(ABSOLUTE(_start)); + } - /* 00E0 Entry Point */ - LONG(ABSOLUTE(_start)); - } + /* Program */ + . = file_start + 0x100; + text_mem_start = .; - /* Program - */ - . = 0x80003100; - text_mem_start = .; + .init : + { + KEEP (*crt0.o(*.init)) + KEEP (*(.init)) + } = 0 + .plt : { *(.plt) } + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } + .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } + .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } + .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } + .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } + .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } + .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } + .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } + .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rela.got1 : { *(.rela.got1) } + .rela.got2 : { *(.rela.got2) } + .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } + .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } + .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } + .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } + .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } + .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } + .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } + .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } + .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } + .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } - .init : - { - KEEP (*crt0.o(*.init)) - KEEP (*(.init)) - } = 0 - .plt : { *(.plt) } - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } - .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } - .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } - .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } - .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } - .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } - .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } - .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } - .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rela.got1 : { *(.rela.got1) } - .rela.got2 : { *(.rela.got2) } - .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } - .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } - .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } - .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } - .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } - .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } - .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } - .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } - .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } - .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .text : - { - *(.text) - *(.text.*) - *(.stub) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - *(.gnu.linkonce.t.*) - } = 0 - .fini : - { - KEEP (*(.fini)) - } = 0 - PROVIDE (__etext = .); - PROVIDE (_etext = .); - PROVIDE (etext = .); - text_mem_size = . - text_mem_start; - data_mem_start = .; - .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } - .rodata1 : { *(.rodata1) } - .sdata2 : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) } - .sbss2 : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) } + .text : + { + *(.text) + *(.text.*) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } = 0 + + .fini : + { + KEEP (*(.fini)) + } = 0 + + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + text_mem_size = . - text_mem_start; + + . = ALIGN(32); + data_mem_start = .; + .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } + .rodata1 : { *(.rodata1) } + .sdata2 : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) } + .sbss2 : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) } /* Adjust the address for the data segment. We want to adjust up to the same address within the page on the next page up. */ /* 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 : { *(.preinit_array) } - PROVIDE (__preinit_array_end = .); - PROVIDE (__init_array_start = .); - .init_array : { *(.init_array) } - PROVIDE (__init_array_end = .); - PROVIDE (__fini_array_start = .); - .fini_array : { *(.fini_array) } - PROVIDE (__fini_array_end = .); - .data : - { - *(.data) - *(.data.*) - *(.gnu.linkonce.d.*) - SORT(CONSTRUCTORS) - } - .data1 : { *(.data1) } - .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } - .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } - .eh_frame : { KEEP (*(.eh_frame)) } - .gcc_except_table : { *(.gcc_except_table) } - .fixup : { *(.fixup) } - .got1 : { *(.got1) } - .got2 : { *(.got2) } - .dynamic : { *(.dynamic) } - .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. */ - KEEP (*crtbegin.o(.ctors)) - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - .jcr : { KEEP (*(.jcr)) } - .got : { *(.got.plt) *(.got) } - /* 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. */ - .sdata : - { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s.*) - } - _edata = .; - PROVIDE (edata = .); - data_mem_size = . - data_mem_start; + . = ALIGN(32 / 8); + PROVIDE (__preinit_array_start = .); + .preinit_array : { *(.preinit_array) } + PROVIDE (__preinit_array_end = .); + PROVIDE (__init_array_start = .); + .init_array : { *(.init_array) } + PROVIDE (__init_array_end = .); + PROVIDE (__fini_array_start = .); + .fini_array : { *(.fini_array) } + PROVIDE (__fini_array_end = .); + .data : + { + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } - bss_mem_start = .; - .sbss : - { - __sbss_start = .; - PROVIDE (__sbss_start = .); - PROVIDE (___sbss_start = .); - *(.dynsbss) - *(.sbss) - *(.sbss.*) - *(.gnu.linkonce.sb.*) - *(.scommon) - PROVIDE (__sbss_end = .); - PROVIDE (___sbss_end = .); - __sbss_end = .; - } - .bss : - { - __bss_start = .; - PROVIDE (__bss_start = .); - *(.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. */ - . = ALIGN(32 / 8); - PROVIDE (__bss_end = .); - __bss_end = .; - } - . = ALIGN(32 / 8); - bss_mem_size = . - bss_mem_start; + .data1 : { *(.data1) } + .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } + .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } + .eh_frame : { KEEP (*(.eh_frame)) } + .gcc_except_table : { *(.gcc_except_table) } + .fixup : { *(.fixup) } + .got1 : { *(.got1) } + .got2 : { *(.got2) } + .dynamic : { *(.dynamic) } - /* calculate file addresses */ - text_file_start = text_mem_start - file_start; - data_file_start = data_mem_start - file_start; + .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. */ - _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 . */ + KEEP (*crtbegin.o(.ctors)) + + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + + KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } + + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } + + .jcr : { KEEP (*(.jcr)) } + .got : { *(.got.plt) *(.got) } + + + /* 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. */ + + .sdata : + { + *(.sdata) + *(.sdata.*) + *(.gnu.linkonce.s.*) + } + + _edata = .; + PROVIDE (edata = .); + data_mem_size = . - data_mem_start; + + . = ALIGN(32); + bss_mem_start = .; + .sbss : + { + __sbss_start = .; + PROVIDE (__sbss_start = .); + PROVIDE (___sbss_start = .); + *(.dynsbss) + *(.sbss) + *(.sbss.*) + *(.gnu.linkonce.sb.*) + *(.scommon) + PROVIDE (__sbss_end = .); + PROVIDE (___sbss_end = .); + __sbss_end = .; + } + + . = ALIGN(32); + + .bss : + { + __bss_start = .; + PROVIDE (__bss_start = .); + *(.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. */ + + . = ALIGN(32); + + PROVIDE (__bss_end = .); + __bss_end = .; + } + + . = ALIGN(32); + bss_mem_size = . - bss_mem_start; + + /* calculate file addresses */ + text_file_start = text_mem_start - file_start; + data_file_start = data_mem_start - file_start; + bss_file_start = bss_mem_start - file_start; + + _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 . */ } -__stack_addr = (__bss_start + SIZEOF(.bss) + 0x2000 + 7) & (-8); +__stack_addr = (__bss_start + SIZEOF(.bss) + 0x10000 + 7) & (-8); __stack_end = (__bss_start + SIZEOF(.bss)); __intrstack_addr = (__stack_addr + 0x2000); __intrstack_end = (__stack_addr); @@ -334,11 +356,14 @@ __ArenaHi = (0x81700000); __gxregs = (__ArenaHi + 31) & (-32); /* for backward compatibility with old crt0 */ -__stack = (0x81700000); +PROVIDE (__stack = (0x81700000)); -PROVIDE (text_mem_start = text_mem_start); -PROVIDE (data_mem_start = data_mem_start); -PROVIDE (bss_mem_start = bss_mem_start); +PROVIDE(__text_start = text_mem_start); +PROVIDE(__text_fstart = text_file_start); +PROVIDE(__data_start = data_mem_start); +PROVIDE(__data_fstart = data_file_start); +PROVIDE(__bss_start = bss_mem_start); +PROVIDE(__bss_fstart = bss_file_start); PROVIDE(__stack_addr = __stack_addr); PROVIDE(__stack_end = __stack_end); PROVIDE(__intrstack_addr = __intrstack_addr);