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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-03-20 18:18:19 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-03-20 18:18:19 +0000
commiteafaeb9398216dacb92de69683ccdda6007efb1d (patch)
treee513e4fd791670d9b74d33821682d4059ed73098 /apps/examples/nxflat/tests/longjmp
parentf68c474e8ae9cfa5c9124a6eb92ec06fe2bf40a1 (diff)
downloadnuttx-eafaeb9398216dacb92de69683ccdda6007efb1d.tar.gz
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Move nuttx/examples to apps/examples
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3405 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/nxflat/tests/longjmp')
-rw-r--r--apps/examples/nxflat/tests/longjmp/Makefile78
-rw-r--r--apps/examples/nxflat/tests/longjmp/longjmp.c128
2 files changed, 206 insertions, 0 deletions
diff --git a/apps/examples/nxflat/tests/longjmp/Makefile b/apps/examples/nxflat/tests/longjmp/Makefile
new file mode 100644
index 000000000..d0c93ebbd
--- /dev/null
+++ b/apps/examples/nxflat/tests/longjmp/Makefile
@@ -0,0 +1,78 @@
+############################################################################
+# examples/nxflat/tests/longjmp/Makefile
+#
+# Copyright (C) 2009 Gregory Nutt. All rights reserved.
+# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+# used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config # Current configuration
+-include $(TOPDIR)/Make.defs # Basic make info
+
+BIN = longjmp
+
+R1SRCS = $(BIN).c
+R1OBJS = $(R1SRCS:.c=.o)
+
+R2SRC = $(BIN)-thunk.S
+R2OBJ = $(R2SRC:.S=.o)
+
+all: $(BIN)
+
+$(R1OBJS): %.o: %.c
+ @echo "CC: $<"
+ @$(CC) -c $(CPICFLAGS) $< -o $@
+
+$(R2OBJ): %.o: %.S
+ @echo "AS: $<"
+ @$(CC) -c $(CPICFLAGS) $< -o $@
+
+$(BIN).r1: $(R1OBJS)
+ @echo "LD: $<"
+ @$(LD) $(NXFLATLDFLAGS1) -o $@ $^
+
+$(R2SRC): $(BIN).r1
+ @echo "MK: $<"
+ @$(MKNXFLAT) -o $@ $^
+
+$(BIN).r2: $(R2OBJ)
+ @echo "LD: $<"
+ @$(LD) $(NXFLATLDFLAGS2) -o $@ $(R1OBJS) $(R2OBJ)
+
+$(BIN): $(BIN).r2
+ @echo "LD: $<"
+ @$(LDNXFLAT) $(LDNXFLATFLAGS) -o $@ $^
+
+clean:
+ @rm -f $(BIN) $(R2SRC) *.o *.r1 *.r2 *~ .*.swp core
+
+install:
+ @install -D $(BIN) $(ROMFS_DIR)/$(BIN)
+
diff --git a/apps/examples/nxflat/tests/longjmp/longjmp.c b/apps/examples/nxflat/tests/longjmp/longjmp.c
new file mode 100644
index 000000000..b5b317d99
--- /dev/null
+++ b/apps/examples/nxflat/tests/longjmp/longjmp.c
@@ -0,0 +1,128 @@
+/****************************************************************************
+ * examples/nxflat/tests/longjmp/longjmp.c
+ *
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <setjmp.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define MAIN_VAL 47
+#define FUNC_VAL 92
+#define LEAF_VAL 163
+
+#define FUNCTION_ARG MAIN_VAL
+#define LEAF_ARG (FUNCTION_ARG + FUNC_VAL)
+#define SETJMP_RETURN (LEAF_ARG + LEAF_VAL)
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static jmp_buf env;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static int leaf(int *some_arg)
+{
+ int some_local_variable = *some_arg + LEAF_VAL;
+
+ printf("leaf: received %d\n", *some_arg);
+
+ if (*some_arg != LEAF_ARG)
+ printf("leaf: ERROR: expected %d\n", LEAF_ARG);
+
+ printf("leaf: Calling longjmp() with %d\n", some_local_variable);
+
+ longjmp(env, some_local_variable);
+}
+
+static int function(int some_arg)
+{
+ int some_local_variable = some_arg + FUNC_VAL;
+ int retval;
+
+ printf("function: received %d\n", some_arg);
+
+ if (some_arg != FUNCTION_ARG)
+ printf("function: ERROR: expected %d\n", FUNCTION_ARG);
+
+ printf("function: Calling leaf() with %d\n", some_local_variable);
+
+ retval = leaf(&some_local_variable);
+
+ printf("function: ERROR -- leaf returned!\n");
+ return retval;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int main(int argc, char **argv)
+{
+ int value;
+
+ printf("main: Calling setjmp\n");
+ value = setjmp(env);
+ printf("main: setjmp returned %d\n", value);
+
+ if (value == 0)
+ {
+ printf("main: Normal setjmp return\n");
+ printf("main: Calling function with %d\n", MAIN_VAL);
+ function(MAIN_VAL);
+ printf("main: ERROR -- function returned!\n");
+ return 1;
+ }
+ else if (value != SETJMP_RETURN)
+ {
+ printf("main: ERROR: Expected %d\n", SETJMP_RETURN);
+ return 1;
+ }
+ else
+ {
+ printf("main: SUCCESS: setjmp return from longjmp call\n");
+ return 0;
+ }
+}
+