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Commit d70f82ac authored by James Hogan's avatar James Hogan Committed by Rusty Russell
Browse files

genksyms: pass symbol-prefix instead of arch 



Pass symbol-prefix to genksyms instead of arch, so that the decision
what symbol prefix to use is kept in one place.

Basically genksyms used to take a -a $ARCH argument and it used that to
determine whether to add an underscore symbol prefix. It's now changed
to take a -s $SYMBOL_PREFIX argument so that the caller decides whether
a symbol prefix is required. The build system then uses
CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX to determine whether to pass the
argument.

Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent a4b6a77b

scripts/Makefile.build

+2 −1
Original line number Diff line number Diff line
@@ -211,7 +211,8 @@ $(obj)/%.i: $(src)/%.c FORCE 


cmd_gensymtypes =                                                           \

    $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \

    $(GENKSYMS) $(if $(1), -T $(2)) -a $(ARCH)                              \

    $(GENKSYMS) $(if $(1), -T $(2))                                         \

     $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))             \

     $(if $(KBUILD_PRESERVE),-p)                                            \

     -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))

scripts/genksyms/genksyms.c

+7 −11
Original line number Diff line number Diff line
@@ -45,7 +45,6 @@ int in_source_file; 


static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types,

	   flag_preserve, flag_warnings;

static const char *arch = "";

static const char *mod_prefix = "";



static int errors;
@@ -731,7 +730,7 @@ static void genksyms_usage(void) 
{

	fputs("Usage:\n" "genksyms [-adDTwqhV] > /path/to/.tmp_obj.ver\n" "\n"

#ifdef __GNU_LIBRARY__

	      "  -a, --arch            Select architecture\n"

	      "  -s, --symbol-prefix   Select symbol prefix\n"

	      "  -d, --debug           Increment the debug level (repeatable)\n"

	      "  -D, --dump            Dump expanded symbol defs (for debugging only)\n"

	      "  -r, --reference file  Read reference symbols from a file\n"
@@ -742,7 +741,7 @@ static void genksyms_usage(void) 
	      "  -h, --help            Print this message\n"

	      "  -V, --version         Print the release version\n"

#else				/* __GNU_LIBRARY__ */

	      "  -a                    Select architecture\n"

	      "  -s                    Select symbol prefix\n"

	      "  -d                    Increment the debug level (repeatable)\n"

	      "  -D                    Dump expanded symbol defs (for debugging only)\n"

	      "  -r file               Read reference symbols from a file\n"
@@ -763,7 +762,7 @@ int main(int argc, char **argv) 


#ifdef __GNU_LIBRARY__

	struct option long_opts[] = {

		{"arch", 1, 0, 'a'},

		{"symbol-prefix", 1, 0, 's'},

		{"debug", 0, 0, 'd'},

		{"warnings", 0, 0, 'w'},

		{"quiet", 0, 0, 'q'},
@@ -776,14 +775,14 @@ int main(int argc, char **argv) 
		{0, 0, 0, 0}

	};



	while ((o = getopt_long(argc, argv, "a:dwqVDr:T:ph",

	while ((o = getopt_long(argc, argv, "s:dwqVDr:T:ph",

				&long_opts[0], NULL)) != EOF)

#else				/* __GNU_LIBRARY__ */

	while ((o = getopt(argc, argv, "a:dwqVDr:T:ph")) != EOF)

	while ((o = getopt(argc, argv, "s:dwqVDr:T:ph")) != EOF)

#endif				/* __GNU_LIBRARY__ */

		switch (o) {

		case 'a':

			arch = optarg;

		case 's':

			mod_prefix = optarg;

			break;

		case 'd':

			flag_debug++;
@@ -826,9 +825,6 @@ int main(int argc, char **argv) 
			genksyms_usage();

			return 1;

		}

	if ((strcmp(arch, "h8300") == 0) || (strcmp(arch, "blackfin") == 0) ||

	    (strcmp(arch, "metag") == 0))

		mod_prefix = "_";

	{

		extern int yydebug;

		extern int yy_flex_debug;