* 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 ".".

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 98879120e5f9169c488efc2e00c35e1c241408e6..a7761a0973a8be5aca614bf9571b763701a1c13f 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,11 @@
+Fri Oct 11 16:42:22 1991  Per Bothner  (bothner at cygnus.com)
+
+       * 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 ".".
+
 Fri Oct 11 15:43:04 1991  Roland H. Pesch  (pesch at cygnus.com)
 
        * Makefile.in: new targets ld.ms, ld-index.ms

diff --git a/ld/Makefile.in b/ld/Makefile.in
index d52b73c00a10fe19d390cd39ab49a16db1cc7488..71523b1e8a8caf6f6e0b1622289fc78216f4b336 100644 (file)
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -52,7 +52,7 @@ SCRIPTS = ldgld68k.sc ldgld.sc \
 CFLAGS = $(INCLUDES) $(DEBUG) $(HDEFINES) $(TDEFINES) $(CDEFINES)
 LINTFLAGS =  $(INCLUDES) $(EXTRA_DEF) 
 
-.SUFFIXES: .y .x .xr .xu .sc .scu .scr $(SUFFIXES)
+.SUFFIXES: .y .x .xr .xu .xn .sc .scu .scr .scn $(SUFFIXES)
 
 # go directly to ld.new in case this ld isn't capable of
 # linking native object on this host.  It can be renamed on
@@ -63,6 +63,8 @@ LD_PROG       = ld.new
 # sed is used to transform this script into two variant forms:
 # A .scr script is for linking without relocation (-r flag).
 # A .scu script is like .scr, but *do* create constructors.
+# A .scu script is for linking to non-demand-paged output (-N or -n).
+# The diference is that segments should (need) not be page aligned.
 
 # A sed pattern to translate .sc to .scu:
 SED_MAKE_RELOC_WITH_CONSTRUCTORS=\
@@ -73,13 +75,19 @@ SED_MAKE_RELOC_WITH_CONSTRUCTORS=\
   -e "/data/s/[.]data .*:/.data :/"
 # A sed pattern to translate .scu to .scr:
 SED_REMOVE_CONSTRUCTORS= -e /CONSTRUCTORS/d
+# A sed pattern to translate .sc to .scn:
+# We assume that any reasonable page size ends with 00
+# (Some things are aligned on 8-byte boundaries; ignore those.)
+SED_DONT_ALIGN= -e '/ALIGN/s/ALIGN( *0x[0-9a-fA-F]*00 *)/./'
 
 .sc.scu:
        sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) $< >$*.scu
+.sc.scn:
+       sed $(SED_DONT_ALIGN) $< >$*.scn
 .scu.scr:
        sed $(SED_REMOVE_CONSTRUCTORS) < $< >$*.scr
 
-# Each .sc .scr or .scu script is filtered by mkscript
+# Each .sc .scr .scu or .scn script is filtered by mkscript
 # into a string literal that can be included in a .c program.
 .sc.x:
        if [ "x"$(LIB_PATH) = "x" ]; then ./mkscript < $< >$*.x ; \
@@ -92,11 +100,15 @@ SED_REMOVE_CONSTRUCTORS= -e /CONSTRUCTORS/d
        ./mkscript < $< >$*.xu
 .scr.xr:
        ./mkscript < $< >$*.xr
+.scn.xn:
+       ./mkscript < $< >$*.xn
 .sc.xu:
        sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) < $< | ./mkscript >$*.xu
 .sc.xr:
        sed $(SED_MAKE_RELOC_WITH_CONSTRUCTORS) $(SED_REMOVE_CONSTRUCTORS) \
        < $< | ./mkscript >$*.xr
+.sc.xn:
+       sed $(SED_DONT_ALIGN) < $< | ./mkscript >$*.xn
 
 # for self hosting
 BFDLIB=$(unsubdir)/../bfd$(subdir)/libbfd.a
@@ -162,12 +174,12 @@ ldm88k.c: $(srcdir)/ldtemplate
        -e s/"<target>"/m88kbcs/g -e s/"<TARGET>"/M88KBCS/g <$< >$@
 
 # The .c files for these are generated from ldtemplete.
-ldgld.o: ./mkscript ldgld.x ldgld.xr ldgld.xu
-news.o: ./mkscript news.x news.xr news.xu
-ebmon29k.o: ./mkscript ebmon29k.x ebmon29k.xr ebmon29k.xu
-ldgld68k.o: ./mkscript ldgld68k.x ldgld68k.xr ldgld68k.xu
-ldglda29k.o: ./mkscript ldglda29k.x ldglda29k.xr ldglda29k.xu
-ldm88k.o: ./mkscript ldm88k.x ldm88k.xr ldm88k.xu
+ldgld.o: ./mkscript ldgld.x ldgld.xr ldgld.xu ldgld.xn
+news.o: ./mkscript news.x news.xr news.xu news.xn
+ebmon29k.o: ./mkscript ebmon29k.x ebmon29k.xr ebmon29k.xu ebmon29k.xn
+ldgld68k.o: ./mkscript ldgld68k.x ldgld68k.xr ldgld68k.xu ldgld68k.xn
+ldglda29k.o: ./mkscript ldglda29k.x ldglda29k.xr ldglda29k.xu ldglda29k.xn
+ldm88k.o: ./mkscript ldm88k.x ldm88k.xr ldm88k.xu ldm88k.xn
 
 # The .c files for these are (for now) specially written (not ldtemplete).
 ldgld960.o: ./mkscript ldgld960.x

diff --git a/ld/ldtemplate b/ld/ldtemplate
index dc9128317bb7f2051a6e2d22c113ef17553bfb27..54e397e5b7674957d6045d352c85feda561de244 100755 (executable)
--- a/ld/ldtemplate
+++ b/ld/ldtemplate
@@ -126,6 +126,9 @@ static char *gld<target>_script_option_Ur  =
 static char *gld<target>_script_option_r  =  
 #include "<ldtarget>.xr"
 ;
+static char *gld<target>_script_option_n  =  /* Used with -n and -N flags. */
+#include "<ldtarget>.xn"
+;
 
 static char *gld<target>_get_script()
 {                           
@@ -137,7 +140,8 @@ static char *gld<target>_get_script()
   if (config.relocateable_output == true) {
     return gld<target>_script_option_r;
   }
-       
+  if (config.magic_demand_paged == false)
+    return gld<target>_script_option_n;
   return gld<target>_script;
 }
 struct ld_emulation_xfer_struct ld_gld<target>_emulation = 

diff --git a/ld/news.sc b/ld/news.sc
index 254d3b2e1dfb57621f88e7acd22ab7b450107fb7..ed57fedd4cffbf6ed7e01ae8f57df5cf62352b31 100755 (executable)
--- a/ld/news.sc
+++ b/ld/news.sc
@@ -11,9 +11,9 @@ SECTIONS
   {                                    
    CREATE_OBJECT_SYMBOLS               
     *(.text)                           
-    _etext  =  .;
+    _etext  =  ALIGN(0x1000);
     }
-  .data  .  :          
+  .data  ALIGN(0x1000) :               
   {                                    
     *(.data)                           
       CONSTRUCTORS;