mirror of
https://github.com/mauiaaron/apple2.git
synced 2024-12-27 06:29:19 +00:00
141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2015 Aaron Culliney
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*
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*/
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#include "common.h"
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// Keep these in sync with the Java side
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enum {
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CRASH_JAVA=0,
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CRASH_NULL_DEREF,
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CRASH_STACKCALL_OVERFLOW,
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CRASH_STACKBUF_OVERFLOW,
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// MOAR!
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};
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#include <jni.h>
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static volatile int __attribute__((noinline)) _crash_null_deref(void) {
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static volatile uintptr_t *ptr = NULL;
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while ((ptr+1)) {
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*ptr++ = 0xAA;
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}
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return (int)ptr[0];
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}
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static volatile int (*funPtr0)(void) = NULL;
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static volatile int __attribute__((noinline)) _crash_stackcall_overflow(void) {
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if (funPtr0) {
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funPtr0();
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funPtr0 = NULL;
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} else {
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funPtr0 = &_crash_stackcall_overflow;
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funPtr0();
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}
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return getpid();
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}
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static volatile int (*funPtr1)(unsigned int) = NULL;
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static volatile int __attribute__((noinline)) _crash_stackbuf_overflow0(unsigned int smashSize) {
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volatile char buf[32];
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memset((char *)buf, 0x55, smashSize);
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return (int)&buf[0];
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}
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static volatile int __attribute__((noinline)) _crash_stackbuf_overflow(void) {
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static volatile unsigned int smashSize = 0;
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while (1) {
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if (funPtr1) {
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funPtr1(smashSize);
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funPtr1 = NULL;
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} else {
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funPtr1 = &_crash_stackbuf_overflow0;
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funPtr1(smashSize);
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}
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smashSize += 32;
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if (!smashSize) {
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break;
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}
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}
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return getpid();
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}
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void Java_org_deadc0de_apple2ix_Apple2CrashHandler_nativePerformCrash(JNIEnv *env, jclass cls, jint crashType) {
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#warning FIXME TODO ... we should turn off test codepaths in release build =D
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LOG("... performing crash of type : %d", crashType);
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switch (crashType) {
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case CRASH_NULL_DEREF:
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_crash_null_deref();
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break;
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case CRASH_STACKCALL_OVERFLOW:
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_crash_stackcall_overflow();
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break;
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case CRASH_STACKBUF_OVERFLOW:
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_crash_stackbuf_overflow();
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break;
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default:
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// unknown crasher, just abort ...
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abort();
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break;
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}
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}
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void Java_org_deadc0de_apple2ix_Apple2CrashHandler_nativeProcessCrash(JNIEnv *env, jclass cls, jstring jCrashPath, jstring jOutputPath) {
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if (!(crashHandler && crashHandler->processCrash)) {
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return;
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}
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LOG("...");
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const char *crashPath = (*env)->GetStringUTFChars(env, jCrashPath, NULL);
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const char *outputPath = (*env)->GetStringUTFChars(env, jOutputPath, NULL);
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FILE *outputFILE = NULL;
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char *symbolsPath = NULL;
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do {
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outputFILE = TEMP_FAILURE_RETRY_FOPEN(fopen(outputPath, "w"));
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if (!outputFILE) {
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ERRLOG("could not open %s", outputPath);
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break;
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}
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if (android_armArchV7A) {
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asprintf(&symbolsPath, "%s/symbols/armeabi-v7a", data_dir);
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} else if (android_x86) {
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asprintf(&symbolsPath, "%s/symbols/x86", data_dir);
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} else /*if (android_armArch)*/ {
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asprintf(&symbolsPath, "%s/symbols/armeabi", data_dir);
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} /*else { moar archs ... } */
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bool success = crashHandler->processCrash(crashPath, symbolsPath, outputFILE);
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if (!success) {
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RELEASE_LOG("CRASH REPORT PROCESSING FAILED ...");
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}
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} while (0);
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if (outputFILE) {
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TEMP_FAILURE_RETRY(fflush(outputFILE));
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TEMP_FAILURE_RETRY(fclose(outputFILE));
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}
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if (symbolsPath) {
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FREE(symbolsPath);
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}
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(*env)->ReleaseStringUTFChars(env, jCrashPath, crashPath);
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(*env)->ReleaseStringUTFChars(env, jOutputPath, outputPath);
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}
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