mirror of https://github.com/ossrs/srs.git
add arm research files, change to 0.9.16
parent
350e7b8bc6
commit
7744053d28
@ -0,0 +1,48 @@
|
||||
/*
|
||||
arm-linux-gnueabi-g++ -o jmp jmp.cpp -static
|
||||
arm-linux-gnueabi-strip jmp
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <setjmp.h>
|
||||
|
||||
jmp_buf env_func1, env_func2;
|
||||
|
||||
int sum = 0;
|
||||
|
||||
void func1() {
|
||||
int ret = setjmp(env_func1);
|
||||
printf("setjmp func1 ret=%d\n", ret);
|
||||
|
||||
if (sum <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (sum++ > 1000) {
|
||||
return;
|
||||
}
|
||||
|
||||
// jmp to func2
|
||||
longjmp(env_func2, 3);
|
||||
}
|
||||
|
||||
void func2() {
|
||||
int ret = setjmp(env_func2);
|
||||
printf("setjmp func2 ret=%d\n", ret);
|
||||
|
||||
if (sum <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
// jmp to func1
|
||||
longjmp(env_func1, 2);
|
||||
}
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
printf("hello, setjmp/longjmp!\n");
|
||||
func1();
|
||||
sum++;
|
||||
func2();
|
||||
printf("jmp finished, sum=%d\n", sum);
|
||||
return 0;
|
||||
}
|
@ -0,0 +1,38 @@
|
||||
/*
|
||||
arm-linux-gnueabi-g++ -g -o jmp_sp jmp_sp.cpp -static
|
||||
arm-linux-gnueabi-strip jmp_sp
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <setjmp.h>
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
#if defined(__amd64__) || defined(__x86_64__)
|
||||
printf("x86_64 sizeof(long int)=%d, sizeof(long)=%d, sizeof(int)=%d\n", (int)sizeof(long int), (int)sizeof(long), (int)sizeof(int));
|
||||
#else
|
||||
printf("arm sizeof(long int)=%d, sizeof(long)=%d, sizeof(int)=%d\n", (int)sizeof(long int), (int)sizeof(long), (int)sizeof(int));
|
||||
#endif
|
||||
|
||||
jmp_buf env;
|
||||
|
||||
int ret = setjmp(env);
|
||||
printf("setjmp func1 ret=%d\n", ret);
|
||||
|
||||
#if defined(__amd64__) || defined(__x86_64__)
|
||||
// typedef lint64_t __jmp_buf[8];
|
||||
printf("after setjmp: ");
|
||||
for (int i = 0; i < 8; i++) {
|
||||
printf("env[%d]=%#x, ", i, (int)env[0].__jmpbuf[i]);
|
||||
}
|
||||
printf("\n");
|
||||
#else
|
||||
// typedef int32_t __jmp_buf[64] __attribute__((__aligned__ (8)));
|
||||
printf("after setjmp: ");
|
||||
for (int i = 0; i < 64; i++) {
|
||||
printf("env[%d]=%#x, ", i, (int)env[0].__jmpbuf[i]);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
@ -0,0 +1,10 @@
|
||||
/*
|
||||
arm-linux-gnueabi-g++ -o test test.cpp -static
|
||||
arm-linux-gnueabi-strip test
|
||||
*/
|
||||
#include <stdio.h>
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
printf("hello, arm!\n");
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue