* scripttempl/elfd10v.sc: Remove dynamic linking hooks.
Add and use memory regions.
This commit is contained in:
Richard Henderson
parent
1ce6cb432f
commit
eaba1dd3fb
2 changed files with 43 additions and 97 deletions
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@ -1,3 +1,8 @@
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2000-02-23 Richard Henderson <rth@cygnus.com>
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* scripttempl/elfd10v.sc: Remove dynamic linking hooks.
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Add and use memory regions.
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2000-02-23 Linas Vepstas (linas@linas.org)
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* emulparams/elf32i370.sh, scripttempl/elfi370.sc: New.
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@ -1,26 +1,3 @@
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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 .rodata ...
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# (e.g., .PARISC.milli)
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# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
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# (e.g., .PARISC.global)
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# OTHER_SECTIONS - at the end
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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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# TEXT_START_SYMBOLS - symbols that appear at the start of the
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# .text section.
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# DATA_START_SYMBOLS - symbols that appear at the start of the
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# .data section.
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# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
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# .bss section besides __bss_start.
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# DATA_PLT - .plt should be in data segment, not text segment.
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# EMBEDDED - whether this is for an embedded system.
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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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test -z "$ENTRY" && ENTRY=_start
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test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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@ -66,6 +43,7 @@ DTOR=" .dtors ${CONSTRUCTING-0} :
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${CONSTRUCTING+${DTOR_END}}
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}"
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STACK=" .stack : { _stack = .; *(.stack) } >STACK "
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# if this is for an embedded system, don't add SIZEOF_HEADERS.
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if [ -z "$EMBEDDED" ]; then
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@ -84,46 +62,35 @@ ${RELOCATING+${LIB_SEARCH_DIRS}}
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${RELOCATING+/* Do we need any of these for elf?
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__DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
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${RELOCATING+${EXECUTABLE_SYMBOLS}}
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${RELOCATING- /* For some reason, the Solaris linker makes bad executables
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if gld -r is used and the intermediate file has sections starting
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at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
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bug. But for now assigning the zero vmas works. */}
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MEMORY
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{
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UNIFIED : org = 0, len = 0x1000000
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INSN : org = 0x1000000, len = 0x40000
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DATA : org = 0x2000004, len = 0x7FFC
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STACK : org = 0x2007FFE, len = 4
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}
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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${CREATE_SHLIB-${RELOCATING+. = ${READONLY_BASE_ADDRESS};}}
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${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
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${CREATE_SHLIB-${INTERP}}
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.hash ${RELOCATING-0} : { *(.hash) }
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.dynsym ${RELOCATING-0} : { *(.dynsym) }
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.dynstr ${RELOCATING-0} : { *(.dynstr) }
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.rel.text ${RELOCATING-0} : { *(.rel.text) }
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.rela.text ${RELOCATING-0} : { *(.rela.text) }
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.rel.data ${RELOCATING-0} : { *(.rel.data) }
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.rela.data ${RELOCATING-0} : { *(.rela.data) }
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.rel.rodata ${RELOCATING-0} : { *(.rel.rodata) }
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.rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
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.rel.got ${RELOCATING-0} : { *(.rel.got) }
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.rela.got ${RELOCATING-0} : { *(.rela.got) }
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.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
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.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
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.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
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.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
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.rel.init ${RELOCATING-0} : { *(.rel.init) }
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.rela.init ${RELOCATING-0} : { *(.rela.init) }
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.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
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.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
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.rel.bss ${RELOCATING-0} : { *(.rel.bss) }
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.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
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.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
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.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
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${DATA_PLT-${PLT}}
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.rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
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.rodata1 ${RELOCATING-0} : { *(.rodata1) }
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${RELOCATING+${OTHER_READONLY_SECTIONS}}
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.text :
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{
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${RELOCATING+${TEXT_START_SYMBOLS}}
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KEEP (*(.init))
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KEEP (*(.fini))
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*(.text)
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*(.text.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.gnu.linkonce.t*)
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${RELOCATING+_etext = .;}
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${RELOCATING+PROVIDE (etext = .);}
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} ${RELOCATING+ >INSN} =${NOP-0}
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/* Adjust the address for the data segment. */
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${RELOCATING+. = ${DATA_ADDR-ALIGN(4);}}
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.rodata ${RELOCATING-0} : {
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*(.rodata) *(.gnu.linkonce.r*)
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} ${RELOCATING+ >DATA}
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.rodata1 ${RELOCATING-0} : { *(.rodata1) } ${RELOCATING+ >DATA}
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.data ${RELOCATING-0} :
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{
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@ -132,32 +99,30 @@ SECTIONS
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*(.data.*)
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*(.gnu.linkonce.d*)
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${CONSTRUCTING+CONSTRUCTORS}
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}
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.data1 ${RELOCATING-0} : { *(.data1) }
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${RELOCATING+${OTHER_READWRITE_SECTIONS}}
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${RELOCATING+${CTOR}}
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${RELOCATING+${DTOR}}
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.got ${RELOCATING-0} : { *(.got.plt) *(.got) }
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.dynamic ${RELOCATING-0} : { *(.dynamic) }
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${DATA_PLT+${PLT}}
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} ${RELOCATING+ >DATA}
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.data1 ${RELOCATING-0} : { *(.data1) } ${RELOCATING+ >DATA}
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${RELOCATING+${CTOR} >DATA}
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${RELOCATING+${DTOR} >DATA}
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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 ${RELOCATING-0} : { *(.sdata) }
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${RELOCATING+_edata = .;}
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.sdata ${RELOCATING-0} : { *(.sdata) } ${RELOCATING+ >DATA}
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${RELOCATING+_edata = .;}
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${RELOCATING+PROVIDE (edata = .);}
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${RELOCATING+__bss_start = .;}
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${RELOCATING+${OTHER_BSS_SYMBOLS}}
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.sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) }
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.sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) } ${RELOCATING+ >DATA}
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.bss ${RELOCATING-0} :
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{
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*(.dynbss)
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*(.bss)
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*(COMMON)
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}
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} ${RELOCATING+ >DATA}
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${RELOCATING+_end = . ;}
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${RELOCATING+PROVIDE (end = .);}
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${RELOCATING+$STACK}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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@ -198,29 +163,5 @@ SECTIONS
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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${RELOCATING+${OTHER_RELOCATING_SECTIONS}}
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/* These must appear regardless of ${RELOCATING}. */
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${OTHER_SECTIONS}
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/* Hmmm, there's got to be a better way. This sets the stack to the
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top of the simulator memory (i.e. top of 64K data space). */
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.stack 0x00007FFE : { _stack = .; *(.stack) }
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.text ${RELOCATING+${TEXT_START_ADDR}} :
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{
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${RELOCATING+${TEXT_START_SYMBOLS}}
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KEEP (*(.init))
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KEEP (*(.fini))
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*(.text)
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*(.text.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.gnu.linkonce.t*)
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} =${NOP-0}
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${RELOCATING+_etext = .;}
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${RELOCATING+PROVIDE (etext = .);}
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}
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EOF
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