sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

5 files changed, 1506 insertions, 0 deletions

diff --git a/device/lib/pic16/debug/.deps/gstack.Po b/device/lib/pic16/debug/.deps/gstack.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/debug/.deps/gstack.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/debug/Makefile b/device/lib/pic16/debug/Makefile
new file mode 100644
index 0000000..d391207
--- /dev/null
+++ b/device/lib/pic16/debug/Makefile
@@ -0,0 +1,649 @@
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+libdebug_a_SOURCES = gstack/gstack.c
+AM_CPPFLAGS = -I. -I$(top_srcdir)/../../include/pic16 \
+	-I$(top_srcdir)/../../non-free/include/pic16
+#AM_CFLAGS += --no-optimize-goto
+
+#AM_CFLAGS += --debug-ralloc
+#AM_CFLAGS += --debug-xtra
+#AM_CFLAGS += --pcode-verbose
+
+#AM_CFLAGS += --nooverlay
+#AM_CFLAGS += --nogcse
+#AM_CFLAGS += --nolabelopt
+#AM_CFLAGS += --noinvariant
+#AM_CFLAGS += --noinduction
+#AM_CFLAGS += --nojtbound
+#AM_CFLAGS += --noloopreverse
+AM_CFLAGS = --std-c11 --asm="$(CCAS)" --no-warn-non-free \
+	--fomit-frame-pointer --obanksel=9 --denable-peeps \
+	--optimize-cmp --optimize-df --i-code-in-asm @USE_FLOATS@
+AM_CCASFLAGS = -I$(top_srcdir)/../../include/pic16 \
+	-I$(top_srcdir)/../../non-free/include/pic16 -I$(srcdir)
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+
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+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign debug/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign debug/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
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+
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+	list2=; for p in $$list; do \
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+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
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+	@$(POST_INSTALL)
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+	  else :; fi; \
+	done
+
+uninstall-libLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LIBRARIES)'; test -n "$(libdir)" || list=; \
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+	dir='$(DESTDIR)$(libdir)'; $(am__uninstall_files_from_dir)
+
+clean-libLIBRARIES:
+	-test -z "$(lib_LIBRARIES)" || rm -f $(lib_LIBRARIES)
+
+libdebug.a: $(libdebug_a_OBJECTS) $(libdebug_a_DEPENDENCIES) $(EXTRA_libdebug_a_DEPENDENCIES) 
+	$(AM_V_at)-rm -f libdebug.a
+	$(AM_V_AR)$(libdebug_a_AR) libdebug.a $(libdebug_a_OBJECTS) $(libdebug_a_LIBADD)
+	$(AM_V_at)$(RANLIB) libdebug.a
+
+mostlyclean-compile:
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+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/gstack.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+gstack.o: gstack/gstack.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT gstack.o -MD -MP -MF $(DEPDIR)/gstack.Tpo -c -o gstack.o `test -f 'gstack/gstack.c' || echo '$(srcdir)/'`gstack/gstack.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/gstack.Tpo $(DEPDIR)/gstack.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='gstack/gstack.c' object='gstack.o' libtool=no @AMDEPBACKSLASH@
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+
+gstack.obj: gstack/gstack.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT gstack.obj -MD -MP -MF $(DEPDIR)/gstack.Tpo -c -o gstack.obj `if test -f 'gstack/gstack.c'; then $(CYGPATH_W) 'gstack/gstack.c'; else $(CYGPATH_W) '$(srcdir)/gstack/gstack.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/gstack.Tpo $(DEPDIR)/gstack.Po
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+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
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+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(libdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libLIBRARIES clean-local mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/gstack.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
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+html: html-am
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+html-am:
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+info: info-am
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+installcheck-am:
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+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/gstack.Po
+	-rm -f Makefile
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+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic
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+pdf: pdf-am
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am: uninstall-libLIBRARIES
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+.MAKE: install-am install-strip
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libLIBRARIES clean-local cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am \
+	install-libLIBRARIES install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-libLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+clean-local:
+	$(RM) *.asm;
+	$(RM) *.lst;
+
+clean-intermediate: clean-local
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $@ in $$subdir"; \
+	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $@); \
+	done
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/device/lib/pic16/debug/gstack/gstack.c b/device/lib/pic16/debug/gstack/gstack.c
new file mode 100644
index 0000000..cb3a5ef
--- /dev/null
+++ b/device/lib/pic16/debug/gstack/gstack.c
@@ -0,0 +1,199 @@
+/*-------------------------------------------------------------------------
+   gstack.c - debug stack tracing support function
+
+   Copyright (C) 2004, Vangelis Rokas <vrokas at otenet.gr>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License 
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+extern int WREG;
+extern int FSR1L;
+extern int FSR1H;
+extern int FSR0L;
+extern int FSR0H;
+extern int STATUS;
+extern int POSTINC0;
+extern int POSTDEC1;
+extern int PREINC1;
+extern int TOSL;
+extern int TOSH;
+extern int TOSU;
+extern int PCL;
+extern int PCLATH;
+extern int PCLATU;
+extern int stack;
+extern int stack_end;
+
+#pragma udata access _wreg_store _status_store _fsr0_store
+#pragma udata access _gstack_begin _gstack_end _init_ok
+
+static char _init_ok=0;
+static char _wreg_store;
+static char _status_store;
+static unsigned int _fsr0_store;
+static unsigned int _gstack_begin;
+static unsigned int _gstack_end;
+
+char _gstack_fail_str[]="Stack overflow\n";
+char _gstack_succ_str[]="Stack ok\n";
+
+
+static
+void _gstack_overflow_default(void) __naked
+{
+  __asm
+    lfsr	0, __gstack_fail_str
+;    incf	_FSR0L, f
+
+@0:
+    movf	_POSTINC0, w
+    movff	_WREG, 0xf7f
+    bnz		@0
+    
+;    sleep
+@00:
+    goto	@00
+    
+  __endasm ;
+}
+
+void (* _gstack_overflow)(void)=_gstack_overflow_default;
+
+    
+void _gstack_init(void) __naked
+{
+  __asm
+    
+    movlw	LOW(_stack)
+    movwf	__gstack_begin
+    
+    movlw	HIGH(_stack)
+    movwf	__gstack_begin+1
+
+    movlw	LOW(_stack_end)
+    movwf	__gstack_end
+    
+    movlw	HIGH(_stack_end)
+    movwf	__gstack_end+1
+
+    ; load default handler
+;    movlw	LOW(__gstack_overflow_default)
+;    movwf	__gstack_overflow
+    
+;    movlw	HIGH(__gstack_overflow_default)
+;    movwf	__gstack_overflow+1
+    
+;    movlw	UPPER(__gstack_overflow_default)
+;    movwf	__gstack_overflow+2
+    
+
+    movlw	1
+    movwf	__init_ok
+    
+    return;    
+  __endasm ;
+}
+
+
+void _gstack_test(void) __naked
+{
+  __asm
+    movff	_WREG, __wreg_store
+    movff	_STATUS, __status_store
+
+    ; if first time, initialize boundary variables
+    movf	__init_ok, w
+    bnz		@1
+    call	__gstack_init
+    
+@1:
+    movf	__gstack_begin, w
+    cpfslt	_FSR1L
+    bra		@2
+    bra		@3
+
+@2:
+    movf	__gstack_begin+1, w
+    cpfslt	_FSR1H
+    bra		@4
+    bra		@3
+
+@4:
+    movf	__gstack_end, w
+    cpfsgt	_FSR1L
+    bra		@5
+    bra		@3
+
+@5:
+    movf	__gstack_end+1, w
+    cpfsgt	_FSR1H
+    bra		@6
+
+    ; fail
+
+@3:
+
+    push
+    movlw	LOW(ret_lab)
+    movwf	_TOSL
+
+    movlw	HIGH(ret_lab)
+    movwf	_TOSH
+
+    movlw	UPPER(ret_lab)
+    movwf	_TOSU
+
+    movff	__gstack_overflow+2, _PCLATU
+    movff	__gstack_overflow+1, _PCLATH
+    movf	__gstack_overflow, w
+    
+    ; execute 
+    movwf	_PCL
+    
+ret_lab:
+    bra		@10
+
+    ; success
+@6:
+    movff	_FSR0L, __fsr0_store
+    movff	_FSR0H, __fsr0_store+1
+    lfsr	0, __gstack_succ_str
+
+    ; print corresponding string
+@8:
+    movf	_POSTINC0, w
+    movff	_WREG, 0xf7f
+    bnz		@8
+
+@9:
+    movff	__fsr0_store+1, _FSR0H
+    movff	__fsr0_store, _FSR0L
+
+@10:
+    movff	__status_store, _STATUS
+    movff	__wreg_store, _WREG
+    
+    return
+    
+    __endasm ;
+}