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Add support for .sdata2/.sbss2 and old 2.7.2 compiler; Make text start at 64k; make data follow on next 64k page after text

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This commit is contained in:
Michael Meissner
1996-01-12 18:37:47 +00:00
parent d9f4dec191
commit 4fe13b2bdd
3 changed files with 55 additions and 12 deletions
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44
ld/scripttempl/elfppc.sc
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@ -100,23 +100,50 @@ SECTIONS
.data1 ${RELOCATING-0} : { *(.data1) }
${RELOCATING+${OTHER_READWRITE_SECTIONS}}
.got1 ${RELOCATING-0} : { *(.got1) }
.dynamic ${RELOCATING-0} : { *(.dynamic) }
.sdata2 ${RELOCATING-0} : { *(.sdata2) }
.sbss2 ${RELOCATING-0} : { *(.sbss2) }
.got1 ${RELOCATING-0} : { *(.got1) }
.dynamic ${RELOCATING-0} : { *(.dynamic) }
/* Put .ctors and .dtors next to the .got2 section, so that the pointers
get relocated with -mrelocatable. Also put in the .fixup 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 */
.got2 ${RELOCATING-0} : { *(.got2) }
.ctors ${RELOCATING-0} : { *(.ctors) }
.dtors ${RELOCATING-0} : { *(.dtors) }
.fixup ${RELOCATING-0} : { *(.fixup) }
${RELOCATING+_GOT2_START_ = .;}
.got2 ${RELOCATING-0} : { *(.got2) }
${RELOCATING+__CTOR_LIST__ = .;}
.ctors ${RELOCATING-0} : { *(.ctors) }
${RELOCATING+__CTOR_END__ = .;}
${RELOCATING+__DTOR_LIST__ = .;}
.dtors ${RELOCATING-0} : { *(.dtors) }
${RELOCATING+__DTOR_END__ = .;}
${RELOCATING+_FIXUP_START_ = .;}
.fixup ${RELOCATING-0} : { *(.fixup) }
${RELOCATING+_FIXUP_END_ = .;}
${RELOCATING+_GOT2_END_ = .;}
/* .got.neg is for items that would normally go in the .got that are addressed
negative of _GLOBAL_OFFSET_TABLE. .got.blrl is to hold the blrl instruction
that is _GLOBAL_OFFSET_TABLE_-4 so that a function can easily get the
address of _GLOBAL_OFFSET_TABLE. */
.got.neg ${RELOCATING-0} : { *(.got.neg) }
.got.blrl ${RELOCATING-0} : { *(.got.blrl) }
${RELOCATING+_GOT_START_ = .;}
${RELOCATING+_GLOBAL_OFFSET_TABLE_ = .;}
.got ${RELOCATING-0} : { *(.got) }
.got.plt ${RELOCATING-0} : { *(.got.plt) }
${RELOCATING+_GOT_END_ = .;}
.got ${RELOCATING-0} : { *(.got) *(.got.plt) }
${DATA_PLT+${PLT}}
/* 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. */
${RELOCATING+_SDA_BASE_ = . + 32768;}
.sdata ${RELOCATING-0} : { *(.sdata) }
${RELOCATING+_edata = .;}
${RELOCATING+PROVIDE (edata = .);}
@ -127,7 +154,6 @@ SECTIONS
*(.scommon)
${RELOCATING+__sbss_end = .;}
}
${RELOCATING+_GOT_END_ = .;}
.bss ${RELOCATING-0} :
{
${RELOCATING+${OTHER_BSS_SYMBOLS}}