* news.sc: Add alignment for data segment.
* ldtemplate: Add (yet another) script to get for -n or -N options. (These need different alignment than ZMAGIC files.) * Makefile.in: Add stuff for new foo.xn scripts. These are generated by replacing "ALIGN(0x...00)" by ".".
This commit is contained in:
Per Bothner
parent
6b58372076
commit
b7e24eef35
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@ -1,3 +1,11 @@
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Fri Oct 11 16:42:22 1991 Per Bothner (bothner at cygnus.com)
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* news.sc: Add alignment for data segment.
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* ldtemplate: Add (yet another) script to get for -n or -N
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options. (These need different alignment than ZMAGIC files.)
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* Makefile.in: Add stuff for new foo.xn scripts.
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These are generated by replacing "ALIGN(0x...00)" by ".".
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Fri Oct 11 15:43:04 1991 Roland H. Pesch (pesch at cygnus.com)
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* Makefile.in: new targets ld.ms, ld-index.ms
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@ -52,7 +52,7 @@ SCRIPTS = ldgld68k.sc ldgld.sc \
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CFLAGS = $(INCLUDES) $(DEBUG) $(HDEFINES) $(TDEFINES) $(CDEFINES)
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LINTFLAGS = $(INCLUDES) $(EXTRA_DEF)
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.SUFFIXES: .y .x .xr .xu .sc .scu .scr $(SUFFIXES)
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.SUFFIXES: .y .x .xr .xu .xn .sc .scu .scr .scn $(SUFFIXES)
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# go directly to ld.new in case this ld isn't capable of
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# linking native object on this host. It can be renamed on
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@ -63,6 +63,8 @@ LD_PROG = ld.new
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# sed is used to transform this script into two variant forms:
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# A .scr script is for linking without relocation (-r flag).
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# A .scu script is like .scr, but *do* create constructors.
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# A .scu script is for linking to non-demand-paged output (-N or -n).
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# The diference is that segments should (need) not be page aligned.
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# A sed pattern to translate .sc to .scu:
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SED_MAKE_RELOC_WITH_CONSTRUCTORS=\
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@ -73,13 +75,19 @@ SED_MAKE_RELOC_WITH_CONSTRUCTORS=\
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-e "/data/s/[.]data .*:/.data :/"
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# A sed pattern to translate .scu to .scr:
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SED_REMOVE_CONSTRUCTORS= -e /CONSTRUCTORS/d
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# A sed pattern to translate .sc to .scn:
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# We assume that any reasonable page size ends with 00
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# (Some things are aligned on 8-byte boundaries; ignore those.)
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SED_DONT_ALIGN= -e '/ALIGN/s/ALIGN( *0x[0-9a-fA-F]*00 *)/./'
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.sc.scu:
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sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) $< >$*.scu
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.sc.scn:
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sed $(SED_DONT_ALIGN) $< >$*.scn
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.scu.scr:
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sed $(SED_REMOVE_CONSTRUCTORS) < $< >$*.scr
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# Each .sc .scr or .scu script is filtered by mkscript
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# Each .sc .scr .scu or .scn script is filtered by mkscript
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# into a string literal that can be included in a .c program.
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.sc.x:
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if [ "x"$(LIB_PATH) = "x" ]; then ./mkscript < $< >$*.x ; \
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@ -92,11 +100,15 @@ SED_REMOVE_CONSTRUCTORS= -e /CONSTRUCTORS/d
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./mkscript < $< >$*.xu
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.scr.xr:
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./mkscript < $< >$*.xr
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.scn.xn:
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./mkscript < $< >$*.xn
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.sc.xu:
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sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) < $< | ./mkscript >$*.xu
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.sc.xr:
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sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) $(SED_REMOVE_CONSTRUCTORS) \
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< $< | ./mkscript >$*.xr
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.sc.xn:
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sed $(SED_DONT_ALIGN) < $< | ./mkscript >$*.xn
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# for self hosting
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BFDLIB=$(unsubdir)/../bfd$(subdir)/libbfd.a
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@ -162,12 +174,12 @@ ldm88k.c: $(srcdir)/ldtemplate
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-e s/"<target>"/m88kbcs/g -e s/"<TARGET>"/M88KBCS/g <$< >$@
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# The .c files for these are generated from ldtemplete.
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ldgld.o: ./mkscript ldgld.x ldgld.xr ldgld.xu
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news.o: ./mkscript news.x news.xr news.xu
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ebmon29k.o: ./mkscript ebmon29k.x ebmon29k.xr ebmon29k.xu
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ldgld68k.o: ./mkscript ldgld68k.x ldgld68k.xr ldgld68k.xu
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ldglda29k.o: ./mkscript ldglda29k.x ldglda29k.xr ldglda29k.xu
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ldm88k.o: ./mkscript ldm88k.x ldm88k.xr ldm88k.xu
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ldgld.o: ./mkscript ldgld.x ldgld.xr ldgld.xu ldgld.xn
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news.o: ./mkscript news.x news.xr news.xu news.xn
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ebmon29k.o: ./mkscript ebmon29k.x ebmon29k.xr ebmon29k.xu ebmon29k.xn
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ldgld68k.o: ./mkscript ldgld68k.x ldgld68k.xr ldgld68k.xu ldgld68k.xn
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ldglda29k.o: ./mkscript ldglda29k.x ldglda29k.xr ldglda29k.xu ldglda29k.xn
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ldm88k.o: ./mkscript ldm88k.x ldm88k.xr ldm88k.xu ldm88k.xn
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# The .c files for these are (for now) specially written (not ldtemplete).
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ldgld960.o: ./mkscript ldgld960.x
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@ -126,6 +126,9 @@ static char *gld<target>_script_option_Ur =
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static char *gld<target>_script_option_r =
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#include "<ldtarget>.xr"
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;
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static char *gld<target>_script_option_n = /* Used with -n and -N flags. */
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#include "<ldtarget>.xn"
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;
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static char *gld<target>_get_script()
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{
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@ -137,7 +140,8 @@ static char *gld<target>_get_script()
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if (config.relocateable_output == true) {
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return gld<target>_script_option_r;
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}
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if (config.magic_demand_paged == false)
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return gld<target>_script_option_n;
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return gld<target>_script;
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}
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struct ld_emulation_xfer_struct ld_gld<target>_emulation =
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@ -11,9 +11,9 @@ SECTIONS
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{
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CREATE_OBJECT_SYMBOLS
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*(.text)
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_etext = .;
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_etext = ALIGN(0x1000);
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}
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.data . :
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.data ALIGN(0x1000) :
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{
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*(.data)
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CONSTRUCTORS;
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