/* * Linkscript for GC * */ OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc"); OUTPUT_ARCH(powerpc:common); EXTERN(_start); ENTRY(_start); PHDRS { stub PT_LOAD FLAGS(5); text PT_LOAD FLAGS(5); data PT_LOAD FLAGS(6); bss PT_LOAD; } SECTIONS { /* default base address */ /* use -Wl,--section-start,.init=0xADDRESS to change */ . = 0x80003100; /* Program */ .init : { KEEP (*crt0.o(*.init)) KEEP (*(.init)) } :text = 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.*) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) *(.gnu.linkonce.t.*) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } = 0 .fini : { KEEP (*(.fini)) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } = 0 PROVIDE (__etext = .); PROVIDE (_etext = .); PROVIDE (etext = .); .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } :data .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) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } .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)) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } .dtors : { KEEP (*crtbegin.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } .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.*) . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ } _edata = .; PROVIDE (edata = .); .sbss : { __sbss_start = .; PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .); *(.dynsbss) *(.sbss) *(.sbss.*) *(.gnu.linkonce.sb.*) *(.scommon) PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .); . = ALIGN(32); /* REQUIRED. LD is flaky without it. */ __sbss_end = .; } :bss .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 = .; } _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 . */ } __isIPL = 0; __stack_addr = (__bss_start + SIZEOF(.bss) + 0x40000 + 7) & (-8); __stack_end = (__bss_start + SIZEOF(.bss)); __intrstack_addr = (__stack_addr + 0x4000); __intrstack_end = (__stack_addr); __Arena1Lo = (__intrstack_addr + 31) & (-32); __Arena1Hi = (0x817FEFF0); __gxregs = (__Arena1Hi + 31) & (-32); /* for backward compatibility with old crt0 */ PROVIDE (__stack = (0x817FEFF0)); PROVIDE(__isIPL = __isIPL); PROVIDE(__stack_addr = __stack_addr); PROVIDE(__stack_end = __stack_end); PROVIDE(__intrstack_addr = __intrstack_addr); PROVIDE(__intrstack_end = __intrstack_end); PROVIDE(__Arena1Lo = __Arena1Lo); PROVIDE(__Arena1Hi = __Arena1Hi); PROVIDE(__gxregs = __gxregs);