* scripttempl/elf.c: Define __bss_start before the .sbss section.
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Fri Jan 7 20:00:24 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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* scripttempl/elf.c: Define __bss_start before the .sbss section.
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Thu Jan 6 00:13:10 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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Thu Jan 6 00:13:10 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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* ldmain.c (add_to_set): Add bitsize argument.
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* ldmain.c (add_to_set): Add bitsize argument.
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@ -1,36 +1,83 @@
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#
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# Unusual variables checked by this code:
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# NOP - two byte opcode for no-op (defaults to 0)
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# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
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# OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ...
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# (e.g., .PARISC.milli)
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# OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ...
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# (e.g., .PARISC.global)
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# EXECUTABLE_SYMBOLS - symbols that must be defined for an
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# executable (e.g., _DYNAMIC_LINK)
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#
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# When adding sections, do note that the names of some sections are used
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# when specifying the start address of the next.
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#
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cat <<EOF
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cat <<EOF
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OUTPUT_FORMAT("${OUTPUT_FORMAT}")
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OUTPUT_FORMAT("${OUTPUT_FORMAT}")
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OUTPUT_ARCH(${ARCH})
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OUTPUT_ARCH(${ARCH})
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${RELOCATING+${LIB_SEARCH_DIRS}}
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${RELOCATING+${LIB_SEARCH_DIRS}}
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/* Do we need any of these for elf?
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${RELOCATING+/* Do we need any of these for elf?
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${RELOCATING+__DYNAMIC = 0;}
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__DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
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${STACKZERO+${RELOCATING+${STACKZERO}}}
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${RELOCATING+${EXECUTABLE_SYMBOLS}}
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${SHLIB_PATH+${RELOCATING+${SHLIB_PATH}}} */
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${RELOCATING- /* For some reason, the Solaris linker makes bad executables
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if gld -r is used and the intermediate file has sections starting
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at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
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bug. But for now assigning the zero vmas works. */}
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SECTIONS
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SECTIONS
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{
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{
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.text ${RELOCATING+${TEXT_START_ADDR}}:
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/* Read-only sections, merged into text segment: */
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.text ${RELOCATING+${TEXT_START_ADDR}} ${RELOCATING-0} :
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{
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{
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CREATE_OBJECT_SYMBOLS
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*(.init)
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*(.text)
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*(.text)
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*(.fini)
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CREATE_OBJECT_SYMBOLS
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*(.rodata)
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${RELOCATING+_etext = .;}
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${RELOCATING+_etext = ${DATA_ALIGNMENT};}
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}
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}
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.data ${RELOCATING+${DATA_ALIGNMENT}} :
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.init ${RELOCATING+.} ${RELOCATING-0} : { *(.init) } =${NOP-0}
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.fini ${RELOCATING+.} ${RELOCATING-0} : { *(.fini) } =${NOP-0}
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.ctors ${RELOCATING+.} ${RELOCATING-0} : { *(.ctors) }
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.dtors ${RELOCATING+.} ${RELOCATING-0} : { *(.dtors) }
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.rodata ${RELOCATING+.} ${RELOCATING-0} : { *(.rodata) }
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.rodata1 ${RELOCATING+.} ${RELOCATING-0} : { *(.rodata1) }
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${RELOCATING+${OTHER_READONLY_SECTIONS}}
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/* also: .hash .dynsym .dynstr .plt(if r/o) .rel.got */
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/* Read-write section, merged into data segment: */
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.data ${RELOCATING+
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${DATA_ADDR- ADDR(.rodata1)+SIZEOF(.rodata1)+${MAXPAGESIZE}}
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}
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${RELOCATING-0} :
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{
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{
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*(.data)
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*(.data)
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${CONSTRUCTING+CONSTRUCTORS}
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${CONSTRUCTING+CONSTRUCTORS}
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${RELOCATING+_edata = .;}
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${RELOCATING+_edata = .;}
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}
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}
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.bss ${RELOCATING+SIZEOF(.data) + ADDR(.data)} :
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.data1 ${RELOCATING+.} ${RELOCATING-0} : { *(.data1) }
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${RELOCATING+${OTHER_READWRITE_SECTIONS}}
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/* also (before uninitialized portion): .dynamic .got .plt(if r/w)
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(or does .dynamic go into its own segment?) */
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata ${RELOCATING+.} ${RELOCATING-0} : { *(.sdata) }
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${RELOCATING+__bss_start = .};
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.sbss ${RELOCATING+.} ${RELOCATING-0} : { *(.sbss) *(.scommon) }
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.bss ${RELOCATING+.} ${RELOCATING-0} :
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{
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{
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${RELOCATING+ __bss_start = .};
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*(.bss)
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*(.bss)
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*(COMMON)
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*(COMMON)
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${RELOCATING+_end = . };
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${RELOCATING+_end = . };
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${RELOCATING+end = . };
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${RELOCATING+end = . };
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}
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}
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/* Debug sections. These should never be loadable, but they must have
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zero addresses for the debuggers to work correctly. */
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.line 0 : { *(.line) }
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.debug 0 : { *(.debug) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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}
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}
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EOF
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EOF
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