diff options
Diffstat (limited to 'src/client/linux/handler/linux_thread_test.cc')
| -rw-r--r-- | src/client/linux/handler/linux_thread_test.cc | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/client/linux/handler/linux_thread_test.cc b/src/client/linux/handler/linux_thread_test.cc new file mode 100644 index 00000000..aeb5e64c --- /dev/null +++ b/src/client/linux/handler/linux_thread_test.cc @@ -0,0 +1,224 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Author: Li Liu +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include <pthread.h> +#include <sys/types.h> +#include <unistd.h> +#include <sys/wait.h> + +#include <cstdio> +#include <cstdlib> +#include <cstring> + +#include "client/linux/handler/linux_thread.h" + +using namespace google_breakpad; + +// Thread use this to see if it should stop working. +static bool should_exit = false; + +static void foo2(int *a) { + // Stack variable, used for debugging stack dumps. + int c = 0xcccccccc; + c = c; + while (!should_exit) + sleep(1); +} + +static void foo() { + // Stack variable, used for debugging stack dumps. + int a = 0xaaaaaaaa; + foo2(&a); +} + +static void *thread_main(void *) { + // Stack variable, used for debugging stack dumps. + int b = 0xbbbbbbbb; + b = b; + while (!should_exit) { + foo(); + } + return NULL; +} + +static void CreateThreads(int num) { + pthread_t handle; + for (int i = 0; i < num; i++) { + if (0 != pthread_create(&handle, NULL, thread_main, NULL)) + fprintf(stderr, "Failed to create thread.\n"); + else + pthread_detach(handle); + } +} + +static bool ProcessOneModule(const struct ModuleInfo &module_info, + void *context) { + printf("0x%x[%8d] %s\n", module_info.start_addr, module_info.size, + module_info.name); + return true; +} + +static bool ProcessOneThread(const struct ThreadInfo &thread_info, + void *context) { + printf("\n\nPID: %d, TGID: %d, PPID: %d\n", + thread_info.pid, + thread_info.tgid, + thread_info.ppid); + + struct user_regs_struct regs; + struct user_fpregs_struct fp_regs; + struct user_fpxregs_struct fpx_regs; + struct DebugRegs dbg_regs; + + LinuxThread *threads = reinterpret_cast<LinuxThread *>(context); + memset(®s, 0, sizeof(regs)); + if (threads->GetRegisters(thread_info.pid, ®s)) { + printf(" gs = 0x%lx\n", regs.xgs); + printf(" fs = 0x%lx\n", regs.xfs); + printf(" es = 0x%lx\n", regs.xes); + printf(" ds = 0x%lx\n", regs.xds); + printf(" edi = 0x%lx\n", regs.edi); + printf(" esi = 0x%lx\n", regs.esi); + printf(" ebx = 0x%lx\n", regs.ebx); + printf(" edx = 0x%lx\n", regs.edx); + printf(" ecx = 0x%lx\n", regs.ecx); + printf(" eax = 0x%lx\n", regs.eax); + printf(" ebp = 0x%lx\n", regs.ebp); + printf(" eip = 0x%lx\n", regs.eip); + printf(" cs = 0x%lx\n", regs.xcs); + printf(" eflags = 0x%lx\n", regs.eflags); + printf(" esp = 0x%lx\n", regs.esp); + printf(" ss = 0x%lx\n", regs.xss); + } else { + fprintf(stderr, "ERROR: Failed to get general purpose registers\n"); + } + memset(&fp_regs, 0, sizeof(fp_regs)); + if (threads->GetFPRegisters(thread_info.pid, &fp_regs)) { + printf("\n Floating point registers:\n"); + printf(" fctl = 0x%lx\n", fp_regs.cwd); + printf(" fstat = 0x%lx\n", fp_regs.swd); + printf(" ftag = 0x%lx\n", fp_regs.twd); + printf(" fioff = 0x%lx\n", fp_regs.fip); + printf(" fiseg = 0x%lx\n", fp_regs.fcs); + printf(" fooff = 0x%lx\n", fp_regs.foo); + printf(" foseg = 0x%lx\n", fp_regs.fos); + int st_space_size = sizeof(fp_regs.st_space) / sizeof(fp_regs.st_space[0]); + printf(" st_space[%2d] = 0x", st_space_size); + for (int i = 0; i < st_space_size; ++i) + printf("%02lx", fp_regs.st_space[i]); + printf("\n"); + } else { + fprintf(stderr, "ERROR: Failed to get floating-point registers\n"); + } + memset(&fpx_regs, 0, sizeof(fpx_regs)); + if (threads->GetFPXRegisters(thread_info.pid, &fpx_regs)) { + printf("\n Extended floating point registers:\n"); + printf(" fctl = 0x%x\n", fpx_regs.cwd); + printf(" fstat = 0x%x\n", fpx_regs.swd); + printf(" ftag = 0x%x\n", fpx_regs.twd); + printf(" fioff = 0x%lx\n", fpx_regs.fip); + printf(" fiseg = 0x%lx\n", fpx_regs.fcs); + printf(" fooff = 0x%lx\n", fpx_regs.foo); + printf(" foseg = 0x%lx\n", fpx_regs.fos); + printf(" fop = 0x%x\n", fpx_regs.fop); + printf(" mxcsr = 0x%lx\n", fpx_regs.mxcsr); + int space_size = sizeof(fpx_regs.st_space) / sizeof(fpx_regs.st_space[0]); + printf(" st_space[%2d] = 0x", space_size); + for (int i = 0; i < space_size; ++i) + printf("%02lx", fpx_regs.st_space[i]); + printf("\n"); + space_size = sizeof(fpx_regs.xmm_space) / sizeof(fpx_regs.xmm_space[0]); + printf(" xmm_space[%2d] = 0x", space_size); + for (int i = 0; i < space_size; ++i) + printf("%02lx", fpx_regs.xmm_space[i]); + printf("\n"); + } + if (threads->GetDebugRegisters(thread_info.pid, &dbg_regs)) { + printf("\n Debug registers:\n"); + printf(" dr0 = 0x%x\n", dbg_regs.dr0); + printf(" dr1 = 0x%x\n", dbg_regs.dr1); + printf(" dr2 = 0x%x\n", dbg_regs.dr2); + printf(" dr3 = 0x%x\n", dbg_regs.dr3); + printf(" dr4 = 0x%x\n", dbg_regs.dr4); + printf(" dr5 = 0x%x\n", dbg_regs.dr5); + printf(" dr6 = 0x%x\n", dbg_regs.dr6); + printf(" dr7 = 0x%x\n", dbg_regs.dr7); + printf("\n"); + } + if (regs.esp != 0) { + // Print the stack content. + int size = 1024 * 2; + char *buf = new char[size]; + size = threads->GetThreadStackDump(regs.ebp, + regs.esp, + (void*)buf, size); + printf(" Stack content: = 0x"); + size /= sizeof(unsigned long); + unsigned long *p_buf = (unsigned long *)(buf); + for (int i = 0; i < size; i += 1) + printf("%.8lx ", p_buf[i]); + delete []buf; + printf("\n"); + } + return true; +} + +static int PrintAllThreads(void *argument) { + int pid = (int)argument; + + LinuxThread threads(pid); + int total_thread = threads.SuspendAllThreads(); + printf("There are %d threads in the process: %d\n", total_thread, pid); + int total_module = threads.GetModuleCount(); + printf("There are %d modules in the process: %d\n", total_module, pid); + CallbackParam<ModuleCallback> module_callback(ProcessOneModule, &threads); + threads.ListModules(&module_callback); + CallbackParam<ThreadCallback> thread_callback(ProcessOneThread, &threads); + threads.ListThreads(&thread_callback); + return 0; +} + +int main(int argc, char **argv) { + int pid = getpid(); + printf("Main thread is %d\n", pid); + CreateThreads(1); + // Create stack for the process. + char *stack = new char[1024 * 100]; + int cloned_pid = clone(PrintAllThreads, stack + 1024 * 100, + CLONE_VM | CLONE_FILES | CLONE_FS | CLONE_UNTRACED, + (void*)getpid()); + waitpid(cloned_pid, NULL, __WALL); + should_exit = true; + printf("Test finished.\n"); + + delete []stack; + return 0; +} |