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https://github.com/ptitSeb/box86.git
synced 2024-11-23 09:54:03 +08:00
Added a test for swapcontext and friends
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parent
577c5ac45b
commit
11c374a4b3
@ -306,7 +306,12 @@ add_test(test12 ${CMAKE_COMMAND} -D TEST_PROGRAM=${CMAKE_BINARY_DIR}/${BOX86}
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-D TEST_REFERENCE=${CMAKE_SOURCE_DIR}/tests/ref12.txt
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-P ${CMAKE_SOURCE_DIR}/runTest.cmake )
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file(GLOB extension_tests "${CMAKE_SOURCE_DIR}/tests/extensions/*.c")
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add_test(test13 ${CMAKE_COMMAND} -D TEST_PROGRAM=${CMAKE_BINARY_DIR}/${BOX86}
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-D TEST_ARGS=${CMAKE_SOURCE_DIR}/tests/test13 -D TEST_OUTPUT=tmpfile.txt
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-D TEST_REFERENCE=${CMAKE_SOURCE_DIR}/tests/ref13.txt
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-P ${CMAKE_SOURCE_DIR}/runTest.cmake )
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file(GLOB extension_tests "${CMAKE_SOURCE_DIR}/tests/extensions/*.c")
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foreach(file ${extension_tests})
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get_filename_component(testname "${file}" NAME_WE)
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add_test(NAME "${testname}" COMMAND ${CMAKE_COMMAND} -D TEST_PROGRAM=${CMAKE_BINARY_DIR}/${BOX86}
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8
tests/ref13.txt
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8
tests/ref13.txt
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@ -0,0 +1,8 @@
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main: swapcontext(&uctx_main, &uctx_func2)
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func2: started (1, 2)
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func2: swapcontext(&uctx_func2, &uctx_func1)
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func1: started
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func1: swapcontext(&uctx_func1, &uctx_func2)
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func2: returning
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func1: returning
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main: exiting
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BIN
tests/test13
Executable file
BIN
tests/test13
Executable file
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54
tests/test13.c
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54
tests/test13.c
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@ -0,0 +1,54 @@
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#include <ucontext.h>
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#include <stdio.h>
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#include <stdlib.h>
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static ucontext_t uctx_main, uctx_func1, uctx_func2;
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#define handle_error(msg) \
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do { perror(msg); exit(EXIT_FAILURE); } while (0)
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static void func1(void)
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{
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printf("func1: started\n");
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printf("func1: swapcontext(&uctx_func1, &uctx_func2)\n");
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if (swapcontext(&uctx_func1, &uctx_func2) == -1)
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handle_error("swapcontext");
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printf("func1: returning\n");
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}
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static void func2(int a, int b)
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{
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printf("func2: started (%d, %d)\n", a, b);
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printf("func2: swapcontext(&uctx_func2, &uctx_func1)\n");
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if (swapcontext(&uctx_func2, &uctx_func1) == -1)
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handle_error("swapcontext");
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printf("func2: returning\n");
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}
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int main(int argc, char *argv[])
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{
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char func1_stack[16384];
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char func2_stack[16384];
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if (getcontext(&uctx_func1) == -1)
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handle_error("getcontext");
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uctx_func1.uc_stack.ss_sp = func1_stack;
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uctx_func1.uc_stack.ss_size = sizeof(func1_stack);
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uctx_func1.uc_link = &uctx_main;
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makecontext(&uctx_func1, func1, 0);
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if (getcontext(&uctx_func2) == -1)
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handle_error("getcontext");
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uctx_func2.uc_stack.ss_sp = func2_stack;
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uctx_func2.uc_stack.ss_size = sizeof(func2_stack);
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/* Successor context is f1(), unless argc > 1 */
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uctx_func2.uc_link = (argc > 1) ? NULL : &uctx_func1;
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makecontext(&uctx_func2, func2, 2, 1, 2);
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printf("main: swapcontext(&uctx_main, &uctx_func2)\n");
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if (swapcontext(&uctx_main, &uctx_func2) == -1)
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handle_error("swapcontext");
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printf("main: exiting\n");
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exit(EXIT_SUCCESS);
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}
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