Add new asmdefs mechanism for exporting information only available to the C compiler for use in asm files, and use it in arm jpeg idct. See apps/apps.make, apps/core_asmdefs.c, and apps/recorder/jpeg_idct_arm.S for details.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21831 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/functions.make b/tools/functions.make
index 66354ebc18..ba444267c4 100644
--- a/tools/functions.make
+++ b/tools/functions.make
@@ -25,6 +25,9 @@ preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c -include config.h $(1) |
 preprocess2file = $(shell $(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \
                 grep -v '^\#' | grep -v "^$$" > $(2))
 
+asmdefs2file = $(shell $(CC) $(PPCFLAGS) $(3) -S -x c -o - -include config.h $(1) | \
+        perl -ne 'if(/^AD_(\w+):$$/){$$var=$$1}else{/^\W\.word\W(.*)$$/ && $$var && print "\#define $$var $$1\n";$$var=0}' > $2)
+
 c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
 
 # calculate dependencies for a list of source files $(2) and output them
@@ -32,6 +35,7 @@ c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
 mkdepfile = $(shell \
         $(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h $(2) | \
         sed -e "s: lang.h: lang/lang_core.o:" \
+        -e 's:_asmdefs.o:_asmdefs.h:' \
         -e "s: max_language_size.h: lang/max_language_size.h:" | \
         $(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) \
         >> $(1)_)