* scripttempl/crisaout.sc (ENTRY): Now __start.
(.text): Add default setting for __start. Remove CONSTRUCTORS handling. (/DISCARD/): Add .gnu.warning.*. * emulparams/crislinux.sh (ENTRY): Now __start. (TEXT_START_SYMBOLS): New; provide __Stext and __start default. * emulparams/criself.sh (OUTPUT_FORMAT): Now elf32-us-cris. (ENTRY): Now __start. (INITIAL_READONLY_SECTIONS): Add KEEP for .startup. (EXECUTABLE_SYMBOLS): Add default setting for __start.
This commit is contained in:
Hans-Peter Nilsson
parent
2e968471c5
commit
24dd9f7582
4 changed files with 43 additions and 16 deletions
13
ld/ChangeLog
13
ld/ChangeLog
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@ -1,3 +1,16 @@
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2000-09-29 Hans-Peter Nilsson <hp@axis.com>
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* scripttempl/crisaout.sc (ENTRY): Now __start.
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(.text): Add default setting for __start.
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Remove CONSTRUCTORS handling.
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(/DISCARD/): Add .gnu.warning.*.
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* emulparams/crislinux.sh (ENTRY): Now __start.
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(TEXT_START_SYMBOLS): New; provide __Stext and __start default.
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* emulparams/criself.sh (OUTPUT_FORMAT): Now elf32-us-cris.
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(ENTRY): Now __start.
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(INITIAL_READONLY_SECTIONS): Add KEEP for .startup.
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(EXECUTABLE_SYMBOLS): Add default setting for __start.
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2000-09-29 Kazu Hirata <kazu@hxi.com>
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* deffile.h: Fix formatting.
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@ -2,21 +2,32 @@
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MACHINE=
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SCRIPT_NAME=elf
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TEMPLATE_NAME=elf32
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OUTPUT_FORMAT="elf32-cris"
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# Symbols have underscore prepended.
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OUTPUT_FORMAT="elf32-us-cris"
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ARCH=cris
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MAXPAGESIZE=32
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ENTRY=_start
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ENTRY=__start
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EMBEDDED=yes
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ALIGNMENT=32
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TEXT_START_ADDR=0
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# Put crt0 for flash/eprom etc. in this section.
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INITIAL_READONLY_SECTIONS='.startup : { *(.startup) }'
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INITIAL_READONLY_SECTIONS='.startup : { KEEP(*(.startup)) }'
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# TEXT_START_SYMBOLS doesn't get what we want which is the start of
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# all read-only sections; there's at least .init and .fini before it.
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# We have to resort to trickery.
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EXECUTABLE_SYMBOLS='PROVIDE (__Stext = .);'
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#
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# The __start dance is to get us through assumptions about entry
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# symbols, and to clear _start for normal use with sane programs.
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EXECUTABLE_SYMBOLS='
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PROVIDE (__Stext = .);
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__start = DEFINED(__start) ? __start :
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DEFINED(_start) ? _start :
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DEFINED(start) ? start :
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DEFINED(.startup) ? .startup + 2 : 2;
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'
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# Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
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OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);'
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@ -4,7 +4,7 @@ SCRIPT_NAME=elf
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OUTPUT_FORMAT="elf32-cris"
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ARCH=cris
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TEMPLATE_NAME=elf32
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ENTRY=_start
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ENTRY=__start
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# Needed? Perhaps should be page-size alignment.
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ALIGNMENT=32
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GENERATE_SHLIB_SCRIPT=yes
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@ -12,11 +12,17 @@ GENERATE_SHLIB_SCRIPT=yes
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# Is this high enough and low enough?
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TEXT_START_ADDR=0x80000
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# Do we need to set this higher?
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MAXPAGESIZE=8192
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# FIXME: GOT, PLT...
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TEXT_START_SYMBOLS='PROVIDE (__Stext = .);
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__start = DEFINED(__start) ? __start :
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DEFINED(_start) ? _start :
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DEFINED(start) ? start :
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DEFINED(.startup) ? .startup + 2 : 2;
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'
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# Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
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OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);'
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DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
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@ -1,7 +1,7 @@
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cat <<EOF
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OUTPUT_FORMAT("a.out-cris")
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OUTPUT_ARCH(cris)
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ENTRY(_start)
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ENTRY(__start)
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SECTIONS
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{
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.text ${RELOCATING+ ${TEXT_START_ADDR}}:
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@ -10,6 +10,10 @@ SECTIONS
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${RELOCATING+ __Stext = .;}
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${RELOCATING+*(.startup)}
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*(.text)
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${RELOCATING+__start = DEFINED(__start) ? __start :
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DEFINED(_start) ? _start :
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DEFINED(start) ? start :
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DEFINED(.startup) ? .startup + 2 : 2;}
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${RELOCATING+*(.text.*)}
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${RELOCATING+*(.gnu.linkonce.t*)}
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${RELOCATING+*(.rodata)}
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${RELOCATING+PROVIDE (__fini__end = .);}
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${RELOCATING+ ___fini__end = .;}
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/* Putting constructors in constant store is sane as long as
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there's no need for dynamic fixups. */
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/* The constructors and destructors set symbols are unused now that
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collect2 has its wicked way. */
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${CONSTRUCTING+ ___aout_ctors_dtors_begin = .;}
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${CONSTRUCTING+ SORT(CONSTRUCTORS);}
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${CONSTRUCTING+ ___aout_ctors_dtors_end = .;}
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/* Cater to linking from ELF. */
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${CONSTRUCTING+ PROVIDE(___ctors = .);}
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${CONSTRUCTING+ ___elf_ctors_dtors_begin = .;}
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@ -111,7 +107,8 @@ SECTIONS
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/* Unfortunately, stabs are not mappable from ELF to a.out.
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It can probably be fixed with some amount of work. */
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/DISCARD/ : { *(.stab) *(.stab*) *(.debug) *(.debug*) *(.comment) }
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/DISCARD/ :
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{ *(.stab) *(.stab*) *(.debug) *(.debug*) *(.comment) *(.gnu.warning.*) }
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/* For the rsim and xsim simulators. */
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${RELOCATING+ PROVIDE(__Endmem = 0x10000000);}
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