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Code Issues Releases Wiki Activity

merge from srs2 to check cpus.

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This commit is contained in:
winlin 2015-09-23 15:11:33 +08:00
commit 4e88262512
7 changed files with 63 additions and 48 deletions
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24
trunk/research/arm/jmp_sp.cpp
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@ -11,22 +11,7 @@
jmp_buf context;
void func1()
{
#if defined(__amd64__) || defined(__x86_64__)
register long int rsp0 asm("rsp");
int ret = setjmp(context);
printf("setjmp func1 ret=%d, rsp=%#lx\n", ret, rsp0);
// enter by longjmp
if (ret != 0) {
printf("call by longjmp.\n");
exit(0);
}
#endif
}
void func0()
void do_longjmp()
{
/**
the definition of jmp_buf:
@ -78,8 +63,6 @@ void func0()
printf("env[%d]=%#x, ", i, (int)context[0].__jmpbuf[i]);
}
printf("\n");
func1();
#endif
#if defined(__arm__)
@ -105,7 +88,7 @@ void func0()
*/
/**
For example, on raspberry-pi, armv6 cpu:
(gdb) x /64 context[0].__jmpbuf
(gdb) x /64xb (char*)context[0].__jmpbuf
v1, 0: 0x00 0x00 0x00 0x00
v2, 1: 0x00 0x00 0x00 0x00
v3, 2: 0x2c 0x84 0x00 0x00
@ -147,8 +130,7 @@ int main(int argc, char** argv)
(int)__GLIBC__, (int)__GLIBC_MINOR__);
#endif
func0();
longjmp(context, 1);
do_longjmp();
printf("terminated\n");