Mercurial > hg > xemacs-beta
diff src/ppc.ldscript @ 247:e70b3a057e12 r20-5b22
Import from CVS: tag r20-5b22
author | cvs |
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date | Mon, 13 Aug 2007 10:18:21 +0200 |
parents | |
children | 6330739388db |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/ppc.ldscript Mon Aug 13 10:18:21 2007 +0200 @@ -0,0 +1,127 @@ +OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", + "elf32-powerpc") +OUTPUT_ARCH(powerpc) +ENTRY(_start) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/ppc-linux-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +PROVIDE (__stack = 0); +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0x200000 + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rela.text : { *(.rela.text) } + .rela.data : { *(.rela.data) } + .rela.rodata : { *(.rela.rodata) } + .rela.got : { *(.rela.got) } + .rela.got1 : { *(.rela.got1) } + .rela.got2 : { *(.rela.got2) } + .rela.ctors : { *(.rela.ctors) } + .rela.dtors : { *(.rela.dtors) } + .rela.init : { *(.rela.init) } + .rela.fini : { *(.rela.fini) } + .rela.bss : { *(.rela.bss) } + .rela.plt : { *(.rela.plt) } + .rela.sdata : { *(.rela.sdata2) } + .rela.sbss : { *(.rela.sbss2) } + .rela.sdata2 : { *(.rela.sdata2) } + .rela.sbss2 : { *(.rela.sbss2) } + .text : + { + *(.text) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } =0 + .init : { *(.init) } =0 + .fini : { *(.fini) } =0 + .rodata : { *(.rodata) } + .rodata1 : { *(.rodata1) } + _etext = .; + PROVIDE (etext = .); + .sdata2 : { *(.sdata2) } + .sbss2 : { *(.sbss2) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. It would + be more correct to do this: + . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); + The current expression does not correctly handle the case of a + text segment ending precisely at the end of a page; it causes the + data segment to skip a page. The above expression does not have + this problem, but it will currently (2/95) cause BFD to allocate + a single segment, combining both text and data, for this case. + This will prevent the text segment from being shared among + multiple executions of the program; I think that is more + important than losing a page of the virtual address space (note + that no actual memory is lost; the page which is skipped can not + be referenced). */ + . = ALIGN(8) + 0x40000; + .data : + { + *(.data) + CONSTRUCTORS + } + .data1 : { *(.data1) } + .got1 : { *(.got1) } + .plt : { *(.plt) } + .dynamic : { *(.dynamic) } + /* Put .ctors and .dtors next to the .got2 section, so that the pointers + get relocated with -mrelocatable. Also put in the .fixup pointers. + The current compiler no longer needs this, but keep it around for 2.7.2 */ + PROVIDE (_GOT2_START_ = .); + .got2 : { *(.got2) } + PROVIDE (__CTOR_LIST__ = .); + .ctors : { *(.ctors) } + PROVIDE (__CTOR_END__ = .); + PROVIDE (__DTOR_LIST__ = .); + .dtors : { *(.dtors) } + PROVIDE (__DTOR_END__ = .); + PROVIDE (_FIXUP_START_ = .); + .fixup : { *(.fixup) } + PROVIDE (_FIXUP_END_ = .); + PROVIDE (_GOT2_END_ = .); + PROVIDE (_GOT_START_ = .); + .got : { *(.got) } + .got.plt : { *(.got.plt) } + PROVIDE (_GOT_END_ = .); + /* 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) } + _edata = .; + PROVIDE (edata = .); + .sbss : + { + } + .bss : + { + PROVIDE (__sbss_start = .); + *(.sbss) + *(.scommon) + PROVIDE (__sbss_end = .); + PROVIDE (__bss_start = .); + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); + /* These are needed for ELF backends which have not yet been + converted to the new style linker. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + /* DWARF debug sections. + Symbols in the .debug DWARF section are relative to the beginning of the + section so we begin .debug at 0. It's not clear yet what needs to happen + for the others. */ + .debug 0 : { *(.debug) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .line 0 : { *(.line) } + /* These must appear regardless of . */ +}