From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from wes1-so1.wedos.net (wes1-so1.wedos.net [46.28.106.15]) by dpdk.org (Postfix) with ESMTP id E683B4AAD for ; Mon, 13 Jun 2016 10:17:46 +0200 (CEST) Received: from pcviktorin.fit.vutbr.cz (pcviktorin.fit.vutbr.cz [147.229.13.147]) by wes1-so1.wedos.net (Postfix) with ESMTPSA id 3rSlyL4rJ1zBf1; Mon, 13 Jun 2016 10:17:46 +0200 (CEST) From: Jan Viktorin To: dev@dpdk.org Cc: Jan Viktorin , Thomas Monjalon , David Marchand , Bruce Richardson Date: Mon, 13 Jun 2016 10:12:23 +0200 Message-Id: <1465805550-30640-4-git-send-email-viktorin@rehivetech.com> X-Mailer: git-send-email 2.8.0 In-Reply-To: <1465805550-30640-1-git-send-email-viktorin@rehivetech.com> References: <1465805550-30640-1-git-send-email-viktorin@rehivetech.com> In-Reply-To: <1463510101-5633-1-git-send-email-viktorin@rehivetech.com> References: <1463510101-5633-1-git-send-email-viktorin@rehivetech.com> Subject: [dpdk-dev] [PATCH v4 03/10] app/test: support resources externally linked X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jun 2016 08:17:47 -0000 To include resources from other source that the C source code we can take advantage of the objcopy behaviour, i.e. packing of an arbitrary file as an object file that is linked to the target program. A linked object file is always accessible as a pair extern const char beg_; extern const char end_; (extern const char siz_;) A unit test that packs the resource.c source file is included. Signed-off-by: Jan Viktorin --- v4 * fixed trailing semicolon in REGISTER_LINKED_RESOURCE --- app/test/Makefile | 19 +++++++++++++++++++ app/test/resource.h | 10 ++++++++++ app/test/test_resource.c | 18 ++++++++++++++++++ 3 files changed, 47 insertions(+) diff --git a/app/test/Makefile b/app/test/Makefile index 1a13fb2..fe67eee 100644 --- a/app/test/Makefile +++ b/app/test/Makefile @@ -33,6 +33,24 @@ include $(RTE_SDK)/mk/rte.vars.mk ifeq ($(CONFIG_RTE_APP_TEST),y) +# Define an externally linked resource. A linked resource is an arbitrary +# file that is linked into the test binary. The application refers to this +# resource by name. The linked generates identifiers beg_ and end_ +# for referencing by the C code. +# +# Parameters: , +define linked_resource +SRCS-y += $(1).res.o +$(1).res.o: $(2) + $(OBJCOPY) -I binary -B $(RTE_OBJCOPY_ARCH) -O $(RTE_OBJCOPY_TARGET) \ + --rename-section \ + .data=.rodata,alloc,load,data,contents,readonly \ + --redefine-sym _binary__dev_stdin_start=beg_$(1) \ + --redefine-sym _binary__dev_stdin_end=end_$(1) \ + --redefine-sym _binary__dev_stdin_size=siz_$(1) \ + /dev/stdin $$@ < $$< +endef + # # library name # @@ -45,6 +63,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_CMDLINE) := commands.c SRCS-y += test.c SRCS-y += resource.c SRCS-y += test_resource.c +$(eval $(call linked_resource,test_resource_c,resource.c)) SRCS-y += test_pci.c SRCS-y += test_prefetch.c SRCS-y += test_byteorder.c diff --git a/app/test/resource.h b/app/test/resource.h index 9af8415..966fc24 100644 --- a/app/test/resource.h +++ b/app/test/resource.h @@ -82,6 +82,16 @@ const struct resource *resource_find(const char *name); void resource_register(struct resource *r); /** + * Definition of a resource linked externally (by means of the used toolchain). + * Only the base name of the resource is expected. The name refers to the + * linked pointers beg_ and end_ provided externally. + */ +#define REGISTER_LINKED_RESOURCE(n) \ +extern const char beg_ ##n; \ +extern const char end_ ##n; \ +REGISTER_RESOURCE(n, &beg_ ##n, &end_ ##n) \ + +/** * Definition of a resource described by its name, and pointers begin, end. */ #define REGISTER_RESOURCE(n, b, e) \ diff --git a/app/test/test_resource.c b/app/test/test_resource.c index 69391ad..b397fa8 100644 --- a/app/test/test_resource.c +++ b/app/test/test_resource.c @@ -60,11 +60,29 @@ static int test_resource_dpdk(void) return 0; } +REGISTER_LINKED_RESOURCE(test_resource_c); + +static int test_resource_c(void) +{ + const struct resource *r; + + r = resource_find("test_resource_c"); + TEST_ASSERT_NOT_NULL(r, "No test_resource_c found"); + TEST_ASSERT(!strcmp(r->name, "test_resource_c"), + "Found resource %s, expected test_resource_c", + r->name); + + return 0; +} + static int test_resource(void) { if (test_resource_dpdk()) return -1; + if (test_resource_c()) + return -1; + return 0; } -- 2.8.0