memtest.cpp revision 8f1da8fe2db97aff22320776b46adcd2333cc5a9
1e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project/* 21348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris * Copyright (C) 2013 The Android Open Source Project 3e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 4e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * you may not use this file except in compliance with the License. 6e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * You may obtain a copy of the License at 7e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 8e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 10e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * See the License for the specific language governing permissions and 14e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * limitations under the License. 15e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project */ 16e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 17e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <stdio.h> 18e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <stdlib.h> 19e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <string.h> 201348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris#include <ctype.h> 21e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <sys/time.h> 22e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <time.h> 23e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <unistd.h> 24e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <sys/resource.h> 25e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <sys/syscall.h> 26e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <sys/types.h> 27e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <sys/mman.h> 28e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 291348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris#include "memtest.h" 30e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 318f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisnsecs_t system_time() { 32e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project struct timespec t; 33e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project t.tv_sec = t.tv_nsec = 0; 34e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project clock_gettime(CLOCK_MONOTONIC, &t); 35e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 36e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 37e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 38e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectstatic void usage(char* p) { 391348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris printf("Usage: %s <test> <options>\n" 401348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris "<test> is one of the following:\n" 411348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " copy_bandwidth [--size BYTES_TO_COPY]\n" 421348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " write_bandwidth [--size BYTES_TO_WRITE]\n" 431a3794a84074d7f22b8ddaba840aedd758a14cddChristopher Ferris " read_bandwidth [--size BYTES_TO_COPY]\n" 441348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " per_core_bandwidth [--size BYTES]\n" 4565d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " --type copy_ldrd_strd | copy_ldmia_stmia | copy_vld1_vst1 |\n" 4665d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " copy_vldr_vstr | copy_vldmia_vstmia | memcpy | write_strd |\n" 4765d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " write_stmia | write_vst1 | write_vstr | write_vstmia | memset |\n" 4865d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " read_ldrd | read_ldmia | read_vld1 | read_vldr | read_vldmia\n" 491348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " multithread_bandwidth [--size BYTES]\n" 5065d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " --type copy_ldrd_strd | copy_ldmia_stmia | copy_vld1_vst1 |\n" 5165d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " copy_vldr_vstr | copy_vldmia_vstmia | memcpy | write_strd |\n" 5265d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " write_stmia | write_vst1 | write_vstr | write_vstmia | memset |\n" 5365d2c7894a93f66ea41d55f843285e7e7bdbf488Christopher Ferris " read_ldrd | read_ldmia | read_vld1 | read_vldr | read_vldmia\n" 541348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " --num_threads NUM_THREADS_TO_RUN\n" 551348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " malloc [fill]\n" 561348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " madvise\n" 571348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " resampler\n" 581348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " crash\n" 591348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " stack (stack smasher)\n" 601348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris " crawl\n" 611348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris , p); 621348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris} 631348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris 641348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferrisint copy_bandwidth(int argc, char** argv); 651348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferrisint write_bandwidth(int argc, char** argv); 661a3794a84074d7f22b8ddaba840aedd758a14cddChristopher Ferrisint read_bandwidth(int argc, char** argv); 671348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferrisint per_core_bandwidth(int argc, char** argv); 681348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferrisint multithread_bandwidth(int argc, char** argv); 69e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint malloc_test(int argc, char** argv); 70e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint madvise_test(int argc, char** argv); 71e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint crash_test(int argc, char** argv); 72e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint stack_smasher_test(int argc, char** argv); 73e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint crawl_test(int argc, char** argv); 743cadc3a6df0b13deabb1b3423aafa5ff8bbfdf23Jason Samsint fp_test(int argc, char** argv); 75e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 761348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferristypedef struct { 771348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris const char *cmd_name; 781348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris int (*func)(int argc, char** argv); 791348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris} function_t; 801348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris 811348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferrisfunction_t function_table[] = { 821348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "malloc", malloc_test }, 831348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "madvise", madvise_test }, 841348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "crash", crash_test }, 851348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "stack", stack_smasher_test }, 861348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "crawl", crawl_test }, 871348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "fp", fp_test }, 881348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "copy_bandwidth", copy_bandwidth }, 891a3794a84074d7f22b8ddaba840aedd758a14cddChristopher Ferris { "write_bandwidth", write_bandwidth }, 901a3794a84074d7f22b8ddaba840aedd758a14cddChristopher Ferris { "read_bandwidth", read_bandwidth }, 911348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "per_core_bandwidth", per_core_bandwidth }, 921348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris { "multithread_bandwidth", multithread_bandwidth }, 931348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris}; 94e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 958f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint main(int argc, char** argv) { 96e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (argc == 1) { 97e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project usage(argv[0]); 98e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 99e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 100e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int err = -1; 1011348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris for (unsigned int i = 0; i < sizeof(function_table)/sizeof(function_t); i++) { 1021348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris if (strcmp(argv[1], function_table[i].cmd_name) == 0) { 1031348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris err = (*function_table[i].func)(argc-1, argv+1); 104e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project break; 105e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 106e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 1071348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris if (err) { 1081348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris usage(argv[0]); 109e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 1101348ce27ee9bb8e50a3294879c1523fa4b4d8f8bChristopher Ferris return err; 111e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 112e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1138f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint malloc_test(int argc, char** argv) { 114e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project bool fill = (argc>=2 && !strcmp(argv[1], "fill")); 115e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t total = 0; 116e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t size = 0x40000000; 117e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project while (size) { 118e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project void* addr = malloc(size); 119e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (addr == 0) { 1207a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root printf("size = %9zd failed\n", size); 121e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size >>= 1; 122e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } else { 123e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project total += size; 1247a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root printf("size = %9zd, addr = %p (total = %9zd (%zd MB))\n", 125e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size, addr, total, total / (1024*1024)); 126e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (fill) { 127e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("filling...\n"); 128e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project fflush(stdout); 129e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memset(addr, 0, size); 130e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 1317a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root size = size + (size>>1); 132e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 133e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 1347a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root printf("done. allocated %zd MB\n", total / (1024*1024)); 135e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 136e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 137e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1388f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint madvise_test(int, char**) { 139e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project for (int i=0 ; i<2 ; i++) { 140e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t size = i==0 ? 4096 : 48*1024*1024; // 48 MB 1417a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root printf("Allocating %zd MB... ", size/(1024*1024)); fflush(stdout); 142e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project void* addr1 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); 143e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("%p (%s)\n", addr1, addr1==(void*)-1 ? "failed" : "OK"); fflush(stdout); 144e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 145e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("touching %p...\n", addr1); fflush(stdout); 146e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memset(addr1, 0x55, size); 147e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 148e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("advising DONTNEED...\n"); fflush(stdout); 149e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project madvise(addr1, size, MADV_DONTNEED); 150e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 151e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("reading back %p...\n", addr1); fflush(stdout); 152e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (*(long*)addr1 == 0) { 153e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("madvise freed some pages\n"); 154e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } else if (*(long*)addr1 == 0x55555555) { 155e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("pages are still there\n"); 156e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } else { 157e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("getting garbage back\n"); 158e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 159e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1607a91aed580a9d3f992bc6ca2186a0a007a07a14cKenny Root printf("Allocating %zd MB... ", size/(1024*1024)); fflush(stdout); 161e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project void* addr2 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); 162e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("%p (%s)\n", addr2, addr2==(void*)-1 ? "failed" : "OK"); fflush(stdout); 163e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 164e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("touching %p...\n", addr2); fflush(stdout); 165e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memset(addr2, 0xAA, size); 166e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 167e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("unmap %p ...\n", addr2); fflush(stdout); 168e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project munmap(addr2, size); 169e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 170e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("touching %p...\n", addr1); fflush(stdout); 171e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memset(addr1, 0x55, size); 172e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 173e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("unmap %p ...\n", addr1); fflush(stdout); 174e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project munmap(addr1, size); 175e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 176e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 177e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("Done\n"); fflush(stdout); 178e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 179e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 180e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1818f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint crash_test(int, char**) { 182e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("about to crash...\n"); 183e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project asm volatile( 184e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project "mov r0, #0 \n" 185e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project "mov r1, #1 \n" 186e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project "mov r2, #2 \n" 187e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project "mov r3, #3 \n" 188e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project "ldr r12, [r0] \n" 189e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ); 190e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 191e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 192e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 193e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1948f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint stack_smasher_test(int, char**) { 195e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int dummy = 0; 196e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project printf("corrupting our stack...\n"); 197e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project *(volatile long long*)&dummy = 0; 198e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 199e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 200e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 201e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project// -------------------------------------------------------------------- 202e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 203e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectextern "C" void thumb_function_1(int*p); 204e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectextern "C" void thumb_function_2(int*p); 205e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectextern "C" void arm_function_3(int*p); 206e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectextern "C" void arm_function_2(int*p); 207e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectextern "C" void arm_function_1(int*p); 208e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 2098f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisvoid arm_function_3(int*) { 210e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int a = 0; 211e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project thumb_function_2(&a); 212e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 213e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 2148f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisvoid arm_function_2(int*) { 215e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int a = 0; 216e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project thumb_function_1(&a); 217e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 218e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 2198f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisvoid arm_function_1(int*) { 220e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int a = 0; 221e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project arm_function_2(&a); 222e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 223e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 2248f1da8fe2db97aff22320776b46adcd2333cc5a9Christopher Ferrisint crawl_test(int, char**) { 225e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int a = 0; 226e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project arm_function_1(&a); 227e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 228e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 229