initial commit

imported from https://salsa.debian.org/kernel-team/linux.git
commit 9d5cc9d9d6501d7f1dd7e194d4b245bd0b6c6a22
version 6.11.4-1

debian/rules.d/tools/objtool/Makefile

@@ -0,0 +1,24 @@
+PROGS = \
+	objtool \
+	objtool.real-powerpc \
+	objtool.real-x86
+
+include $(top_rulesdir)/Makefile.inc
+
+objtool.real-%:
+	mkdir -p $*
+# objtool always uses HOSTCC, HOSTLD, and HOSTAR; we need to override
+# these on the command line to make cross-builds work.  But it also
+# builds fixdep which still needs to be native in a cross-build.  Set
+# REALHOSTCC and REALHOSTLD variables which will be used for fixdep.
+	$(MAKE) -C $(top_srcdir)/tools/objtool O=$(CURDIR)/$* \
+		HOSTARCH=$(KERNEL_ARCH) ARCH=$* \
+		HOSTCC=$(CC) KBUILD_HOSTCFLAGS='$(CFLAGS) $(CPPFLAGS)' \
+		HOSTLD=$(CROSS_COMPILE)ld KBUILD_HOSTLDFLAGS='$(LDFLAGS)' \
+		HOSTAR=$(CROSS_COMPILE)ar \
+		REALHOSTCC=gcc REALHOSTLD=ld \
+		V=1
+	ln -f $*/objtool $@
+
+%: %.o
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^

debian/rules.d/tools/objtool/objtool.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char **argv)
+{
+	const char *arch;
+	char prog[1024];
+
+	arch = getenv("SRCARCH");
+	if (!arch) {
+		fprintf(stderr, "objtool: SRCARCH variable not defined\n");
+		return 2;
+	}
+
+	snprintf(prog, sizeof(prog), "%s.real-%s", argv[0], arch);
+	execv(prog, argv);
+
+	fprintf(stderr, "objtool: Failed to execute %s\n", prog);
+	return 1;
+}