139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/*
|
|
* Apple // emulator for *ix
|
|
*
|
|
* This software package is subject to the GNU General Public License
|
|
* version 3 or later (your choice) as published by the Free Software
|
|
* Foundation.
|
|
*
|
|
* Copyright 2015 Aaron Culliney
|
|
*
|
|
*/
|
|
|
|
#include "common.h"
|
|
|
|
// Keep these in sync with the Java side
|
|
enum {
|
|
CRASH_JAVA=0,
|
|
CRASH_NULL_DEREF,
|
|
CRASH_STACKCALL_OVERFLOW,
|
|
CRASH_STACKBUF_OVERFLOW,
|
|
// MOAR!
|
|
};
|
|
|
|
#include <jni.h>
|
|
|
|
static volatile int __attribute__((noinline)) _crash_null_deref(void) {
|
|
static volatile uintptr_t *ptr = NULL;
|
|
while ((ptr+1)) {
|
|
*ptr++ = 0xAA;
|
|
}
|
|
return (int)ptr[0];
|
|
}
|
|
|
|
static volatile int (*funPtr0)(void) = NULL;
|
|
static volatile int __attribute__((noinline)) _crash_stackcall_overflow(void) {
|
|
if (funPtr0) {
|
|
funPtr0();
|
|
funPtr0 = NULL;
|
|
} else {
|
|
funPtr0 = &_crash_stackcall_overflow;
|
|
funPtr0();
|
|
}
|
|
return getpid();
|
|
}
|
|
|
|
static volatile int (*funPtr1)(unsigned int) = NULL;
|
|
static volatile int __attribute__((noinline)) _crash_stackbuf_overflow0(unsigned int smashSize) {
|
|
volatile char buf[32];
|
|
memset((char *)buf, 0x55, smashSize);
|
|
return (int)&buf[0];
|
|
}
|
|
|
|
static volatile int __attribute__((noinline)) _crash_stackbuf_overflow(void) {
|
|
static volatile unsigned int smashSize = 0;
|
|
while (1) {
|
|
if (funPtr1) {
|
|
funPtr1(smashSize);
|
|
funPtr1 = NULL;
|
|
} else {
|
|
funPtr1 = &_crash_stackbuf_overflow0;
|
|
funPtr1(smashSize);
|
|
}
|
|
|
|
smashSize += 32;
|
|
if (!smashSize) {
|
|
break;
|
|
}
|
|
}
|
|
return getpid();
|
|
}
|
|
|
|
void Java_org_deadc0de_apple2ix_Apple2CrashHandler_nativePerformCrash(JNIEnv *env, jclass cls, jint crashType) {
|
|
#warning FIXME TODO ... we should turn off test codepaths in release build =D
|
|
LOG("... performing crash of type : %d", crashType);
|
|
|
|
switch (crashType) {
|
|
case CRASH_NULL_DEREF:
|
|
_crash_null_deref();
|
|
break;
|
|
|
|
case CRASH_STACKCALL_OVERFLOW:
|
|
_crash_stackcall_overflow();
|
|
break;
|
|
|
|
case CRASH_STACKBUF_OVERFLOW:
|
|
_crash_stackbuf_overflow();
|
|
break;
|
|
|
|
default:
|
|
// unknown crasher, just abort ...
|
|
abort();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Java_org_deadc0de_apple2ix_Apple2CrashHandler_nativeProcessCrash(JNIEnv *env, jclass cls, jstring jCrashPath, jstring jOutputPath) {
|
|
if (!(crashHandler && crashHandler->processCrash)) {
|
|
return;
|
|
}
|
|
|
|
LOG("...");
|
|
|
|
const char *crashPath = (*env)->GetStringUTFChars(env, jCrashPath, NULL);
|
|
const char *outputPath = (*env)->GetStringUTFChars(env, jOutputPath, NULL);
|
|
FILE *outputFILE = NULL;
|
|
char *symbolsPath = NULL;
|
|
|
|
do {
|
|
outputFILE = TEMP_FAILURE_RETRY_FOPEN(fopen(outputPath, "w"));
|
|
if (!outputFILE) {
|
|
ERRLOG("could not open %s", outputPath);
|
|
break;
|
|
}
|
|
|
|
if (android_armArchV7A) {
|
|
asprintf(&symbolsPath, "%s/symbols/armeabi-v7a", data_dir);
|
|
} else /*if (android_armArch)*/ {
|
|
asprintf(&symbolsPath, "%s/symbols/armeabi", data_dir);
|
|
} /*else { moar archs ... } */
|
|
|
|
bool success = crashHandler->processCrash(crashPath, symbolsPath, outputFILE);
|
|
if (!success) {
|
|
RELEASE_LOG("CRASH REPORT PROCESSING FAILED ...");
|
|
}
|
|
} while (0);
|
|
|
|
if (outputFILE) {
|
|
TEMP_FAILURE_RETRY(fflush(outputFILE));
|
|
TEMP_FAILURE_RETRY(fclose(outputFILE));
|
|
}
|
|
|
|
if (symbolsPath) {
|
|
FREE(symbolsPath);
|
|
}
|
|
|
|
(*env)->ReleaseStringUTFChars(env, jCrashPath, crashPath);
|
|
(*env)->ReleaseStringUTFChars(env, jOutputPath, outputPath);
|
|
}
|
|
|