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Code Issues Releases Wiki Activity

research st, add jmp_flow.

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winlin 2014-11-10 15:22:30 +08:00
parent 683b01a6c9
commit 4d4e840209
2 changed files with 29 additions and 1 deletions
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27
trunk/research/arm/jmp_flow.cpp Normal file
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/*
# for all supports setjmp and longjmp:
g++ -g -O0 -o jmp_flow jmp_flow.cpp
*/
#include <stdio.h>
#include <stdlib.h>
#include <setjmp.h>
jmp_buf context_level_0;
void func_level_0()
{
const char* level_0_0 = "stack variables for func_level_0";
int ret = setjmp(context_level_0);
printf("func_level_0 ret=%d\n", ret);
if (ret != 0) {
printf("call by longjmp.\n");
exit(0);
}
}
int main(int argc, char** argv)
{
func_level_0();
longjmp(context_level_0, 1);
return 0;
}