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Unified Diff: experimental/mac_debugger/debugger.cc

Issue 10928195: First round of dead file removal (Closed) Base URL: https://github.com/samclegg/nativeclient-sdk.git@master
Patch Set: Created 8 years, 3 months ago
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Index: experimental/mac_debugger/debugger.cc
diff --git a/experimental/mac_debugger/debugger.cc b/experimental/mac_debugger/debugger.cc
deleted file mode 100644
index f657af4d0bad58df399455ef1471c39fb1ce85b3..0000000000000000000000000000000000000000
--- a/experimental/mac_debugger/debugger.cc
+++ /dev/null
@@ -1,512 +0,0 @@
-// Copyright (c) 2011 The Native Client Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-#include <fcntl.h>
-
-#ifndef _WIN32
-#include <sys/types.h>
-#include <pthread.h>
-#include <signal.h>
-#include <termios.h>
-#include <unistd.h>
-#include <mach/mach_vm.h>
-#include <mach/mach.h>
-#else
-#include <conio.h>
-#pragma warning(disable : 4996 4267 4244 4800 4101)
-#define snprintf _snprintf
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <deque>
-#include <string>
-#include <map>
-
-#include "debug_api_mac.h"
-#include "debug_blob.h"
-#include "debug_command_line.h"
-
-extern "C" kern_return_t catch_exception_raise(mach_port_t exception_port,
- mach_port_t thread,
- mach_port_t task,
- exception_type_t exception,
- exception_data_t code,
- mach_msg_type_number_t code_count);
-void* atoptr(const char* str) {
- void* ptr = 0;
- sscanf(str, "%p", &ptr); // NOLINT
- return ptr;
-}
-
-uint64_t glb_mem_base = 0;
-
-struct Breakpoint {
- Breakpoint() : addr_(0), instr_length_(0), id_(0), ip_(0) {}
- Breakpoint(uint64_t ip, int instr_length) : ip_(ip), addr_(ip + glb_mem_base), instr_length_(instr_length) {
- id_ = next_id_;
- next_id_ = ++next_id_ % 4;
- }
-
- uint64_t addr_;
- int instr_length_;
- int id_;
- int ip_;
- static int next_id_;
-};
-
-int Breakpoint::next_id_ = 0;
-
-std::map<uint64_t, Breakpoint> glb_breakpoints;
-uint64_t glb_continue_from_br_addr = 0;
-
-#ifndef _WIN32
-int kbhit() {
- termios oldt;
- tcgetattr(STDIN_FILENO, &oldt);
- termios newt = oldt;
- newt.c_lflag &= ~(ICANON | ECHO);
- tcsetattr(STDIN_FILENO, TCSANOW, &newt);
- int oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
- fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);
-
- int ch = getchar();
-
- tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
- fcntl(STDIN_FILENO, F_SETFL, oldf);
-
- if (EOF != ch) {
- ungetc(ch, stdin);
- return 1;
- }
- return 0;
-}
-#endif
-
-void Split(const char* str_in,
- const char* delimiters,
- std::deque<std::string>* out) {
- char c = 0;
- std::string str;
- while (c = *str_in++) {
- if (strchr(delimiters, c)) {
- if (str.size()) {
- out->push_back(str);
- str.clear();
- }
- } else if ((c != '\r') && (c != '\n')) {
- str.push_back(c);
- }
- }
- if (str.size())
- out->push_back(str);
-}
-
-void printList(const std::deque<std::string>& list) {
- printf("list {\n");
- size_t num = list.size();
- for (size_t i = 0; i < num; i++)
- printf("[%s]\n", list[i].c_str());
- printf("}\n");
-}
-
-int main(int argc, char *argv[]) {
- printf("Version 0.006 Build: %s %s\n", __DATE__, __TIME__);
- debug::DebugAPI deb_api;
- pid_t child_pid = 0;
-
- // catch_exception_raise(0, 0, 0, 0, 0, 0);
-
- const char* cmd = "/Users/garianov/Documents/chromium/src/xcodebuild/Release/Chromium.app/Contents/MacOS/Chromium";
-#define CHROMEEE
-#ifdef CHROMEEE
- bool sp_res = deb_api.StartProcess(
- //"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
- cmd,
- true,
- &child_pid);
-#else
- cmd = "../../../test/build/Debug/test";
- bool sp_res = deb_api.StartProcess(
- cmd,
- true,
- &child_pid);
-#endif
-
- printf("Process [%s] %s. Pid = 0x%x == %d\n", cmd, sp_res ? "started" : "failed to start", child_pid, child_pid);
-
- bool show_events = true;
- int nacl_pid = 0;
- bool animate = false;
- FILE* file = fopen("anim.txt", "wt");
- bool first = true;
-#ifdef CHROMEEE
- static bool iterative = true; //false;
-#else
- static bool iterative = true;
-#endif
-
- while (true) {
- if (kbhit()) {
- char buff[100] = { 0 };
- fgets(buff, sizeof(buff) -1, stdin);
-
- std::deque<std::string> words;
- Split(buff, " \t", &words);
- printList(words);
- if (words.size() ==0)
- continue;
- if ((words[0] == "break") && (words.size() >= 2)) {
- int pid = atoi(words[1].c_str());
- bool res = deb_api.DebugBreak(pid);
- if (!res)
- printf("Error\n");
- continue;
- } else if ((words[0] == "H") && (words.size() >= 2)) {
- int pid = atoi(words[1].c_str());
- deb_api.HookupDebugeeProcess(pid);
-
- } else if ((words[0] == "h") && (words.size() >= 2)) {
- int pid = atoi(words[1].c_str());
-
- mach_port_t target_task;
- int res = 0;
- if (0 != (res = ::task_for_pid(mach_task_self(), pid, &target_task))) {
- printf("task_for_pid(%d) -> %d\n", pid, res);
- } else {
- const int kMaxExcNum = 20;
- exception_mask_t masks[kMaxExcNum];
- mach_msg_type_number_t masksCnt = kMaxExcNum;
- mach_port_t ports[kMaxExcNum];
- exception_behavior_t bhv[kMaxExcNum];
- thread_state_flavor_t flv[kMaxExcNum];
- res = ::task_get_exception_ports(target_task, EXC_MASK_ALL, masks, &masksCnt, ports, bhv, flv);
- if (0 == res) {
- printf("%d ports\n", masksCnt);
- for (int i = 0; i < masksCnt; i++) {
- printf("port=0x%x mask=0x%x\n", ports[i], masks[i]);
- }
- } else {
- printf("task_get_exception_ports -> %d\n", res);
- }
- }
- } else if (words[0] == "e-") {
- printf("show_events = false\n");
- show_events = false;
- continue;
- }
- }
-
- bool do_continue = false;
- debug::DebugEvent de;
- if (deb_api.WaitForDebugEvent(1000, &de)) {
- if (de.signal_no_ == MACH_BREAKPOINT) {
- // OutputDebugString?
- std::string msg;
- if (deb_api.ReadDebugString(de, &msg)) {
- // parse it
- debug::CommandLine debug_info(msg);
- std::string event = debug_info.GetStringSwitch("-event", "");
- if ("AppCreate" == event) {
- void* mem_base = debug_info.GetAddrSwitch("-mem_start");
- void* user_entry_point = debug_info.GetAddrSwitch("-user_entry_pt");
- printf("NaClAppCreate mem_base=%p entry_point=%p\n",
- mem_base,
- user_entry_point);
- glb_mem_base = (uint64_t)mem_base;
- deb_api.ContinueDebugEvent(de, 0);
- continue;
- }
- }
-
- unsigned int ip = 0;
- if (!deb_api.ReadIP(de.thread_, &ip)) {
- printf("Error reading ip\n");
- } else {
- if (0 != glb_continue_from_br_addr) {
- printf("Continuing from or breakpoint at 0x%llx\n", glb_continue_from_br_addr);
- Breakpoint br = glb_breakpoints[glb_continue_from_br_addr];
- glb_continue_from_br_addr = 0;
- deb_api.SetHwBreakpoint(de.thread_, br.addr_, br.id_);
- deb_api.ContinueDebugEvent(de, 0);
- continue;
- }
- }
- }
-
- if (0) { //debug::DebugEvent::OUTPUT_DEBUG_STRING == de.event_code_) {
- iterative = true;
- nacl_pid = de.pid_;
- printf("Got OUTPUT_DEBUG_STRING: ");
- std::string string;
- if (deb_api.ReadDebugString(de, &string))
- printf("[%s]", string.c_str());
- printf("\n");
-// deb_api.ContinueDebugEvent(de.pid_);
-// do_continue = true;
- }
-
- //if (show_events || (nacl_pid == de.pid_) ||
- // (SIGTRAP == de.signal_no_))
- de.Print();
-
- if (animate && (nacl_pid == de.pid_) &&
- (SIGTRAP == de.signal_no_)) {
- printf("SIGTRAP == de.signal_no_\n");
- fflush(file);
-// deb_api.EnableSingleStep(de.pid_, false);
-// deb_api.SingleStep(nacl_pid);
- continue;
- }
-
- while (!do_continue) {
- char buff[100] = { 0 };
-
- if (iterative) {
- printf("\n[%d]>", de.pid_);
- fflush(stdout);
- fgets(buff, sizeof(buff) -1, stdin);
- } else {
- snprintf(buff, sizeof(buff), "c");
- }
- // test only: end
-
- static bool first = true;
- if (first) {
- first = false;
-// deb_api.SetupProc(de.pid_);
- }
-
- std::deque<std::string> words;
- Split(buff, " \t", &words);
-// printList(words);
- if (words.size() < 1)
- continue;
- if (words[0] == "c") {
- if (de.signal_no_ == MACH_BREAKPOINT) {
- unsigned int ip = 0;
- if (!deb_api.ReadIP(de.thread_, &ip)) {
- printf("Error reading ip\n");
- } else if (glb_breakpoints.end() != glb_breakpoints.find(ip)) {
- printf("Our breakpoint hit at 0x%x\n", ip);
- Breakpoint br = glb_breakpoints[ip];
- glb_continue_from_br_addr = br.ip_;
- deb_api.SetHwBreakpoint(de.thread_, br.addr_ + br.instr_length_, br.id_);
- deb_api.ContinueDebugEvent(de, 0);
- break;
- }
- }
- int signo = de.signal_no_;
- if (signo == SIGTRAP)
- signo = 0;
- deb_api.ContinueDebugEvent(de, 0);
- break;
- } else if (words[0] == "e-") {
- printf("show_events = false\n");
- show_events = false;
- continue;
- } else if (words[0] == "ce") {
-// deb_api.EnableSingleStep(de.pid_, false);
- deb_api.ContinueDebugEvent(de, de.signal_no_);
- break;
- } else if (words[0] == "cn") {
-// deb_api.EnableSingleStep(de.pid_, false);
- deb_api.ContinueDebugEvent(de, 0);
- break;
- } else if (words[0] == "si") {
- deb_api.EnableSingleStep(de.thread_, true);
- // deb_api.ContinueDebugEvent(de, 0);
- printf("si %d\n", de.pid_);
- // deb_api.SingleStep(de.pid_);
- // break;
- } else if (words[0] == "si-") {
- deb_api.EnableSingleStep(de.thread_, false);
- printf("si- %d\n", de.pid_);
- } else if (words[0] == "cb") {
- // continue and break immediately
-// deb_api.EnableSingleStep(de.pid_, false);
- deb_api.ContinueDebugEvent(de, 0);
- bool res = deb_api.DebugBreak(de.pid_);
- if (!res)
- printf("Error\n");
- break;
- } else if (words[0] == "th") {
- mach_port_t target_thread =de.thread_;
- const int kMaxExcNum = 20;
- exception_mask_t masks[kMaxExcNum];
- mach_msg_type_number_t masksCnt = kMaxExcNum;
- mach_port_t ports[kMaxExcNum];
- exception_behavior_t bhv[kMaxExcNum];
- thread_state_flavor_t flv[kMaxExcNum];
- int res = ::thread_get_exception_ports(target_thread, EXC_MASK_ALL, masks, &masksCnt, ports, bhv, flv);
- if (0 == res) {
- printf("%d ports\n", masksCnt);
- for (int i = 0; i < masksCnt; i++) {
- printf("port=0x%x mask=0x%x\n", ports[i], masks[i]);
- }
- } else {
- printf("task_get_exception_ports -> %d\n", res);
- }
- } else if (words[0] == "h") {
- mach_port_t target_task = de.task_;
- int res = 0;
- const int kMaxExcNum = 20;
- exception_mask_t masks[kMaxExcNum];
- mach_msg_type_number_t masksCnt = kMaxExcNum;
- mach_port_t ports[kMaxExcNum];
- exception_behavior_t bhv[kMaxExcNum];
- thread_state_flavor_t flv[kMaxExcNum];
- res = ::task_get_exception_ports(target_task, EXC_MASK_ALL, masks, &masksCnt, ports, bhv, flv);
- if (0 == res) {
- printf("%d ports\n", masksCnt);
- for (int i = 0; i < masksCnt; i++) {
- printf("port=0x%x mask=0x%x\n", ports[i], masks[i]);
- }
- } else {
- printf("task_get_exception_ports -> %d\n", res);
- }
- } else if ((words[0] == "at") && (words.size() >= 2)) {
- int pid = atoi(words[1].c_str());
- int res = ptrace(PT_ATTACHEXC, pid, 0, 0);
- printf("attach to %d -> %d\n", pid, res);
-
- } else if ((words[0] == "m") && (words.size() >= 3)) {
- uint64_t addr = 0;
- sscanf(words[1].c_str(), "%llx", &addr);
- printf("addr:0x%llx\n", addr);
- int len = atoi(words[2].c_str());
- size_t rd = 0;
- char buff[1024];
- bool res = deb_api.ReadProcessMemory(de.pid_,
- addr,
- buff,
- len,
- &rd);
- if (res) {
- printf("ReadProcessMemory -> %ld\n", rd);
- fflush(stdout);
- debug::Blob blob(buff, rd);
- printf("zz1\n");
- fflush(stdout);
- std::string str = blob.ToHexString(false);
- printf("zz2\n");
- fflush(stdout);
- printf("[%s]\n", str.c_str());
- printf("zz3\n");
- fflush(stdout);
- } else {
- printf("Error\n");
- }
- } else if ((words[0] == "M") && (words.size() >= 3)) {
- uint64_t addr = 0; //atoi(words[1].c_str());
- sscanf(words[1].c_str(), "%llx", &addr);
- printf("addr:0x%llx\n", addr);
- debug::Blob blob;
- blob.LoadFromHexString(words[2]);
-
- void* data = blob.ToCBuffer();
- debug::Blob blob2(data, blob.Size());
- std::string str = blob2.ToHexString(false);
- printf("recv[%s] sz=%d\n", str.c_str(), blob.Size());
-
- if (NULL != data) {
- size_t wr = 0;
- int sz = blob.Size();
- printf(" sz = %d\n", sz);
- bool res = deb_api.WriteProcessMemory(de.pid_,
- addr,
- data,
- sz,
- &wr);
- if (!res)
- printf("Error\n");
- free(data);
- }
- } else if ((words[0] == "mem_base") && (words.size() >= 2)) {
- uint64_t addr = 0; //atoi(words[1].c_str());
- sscanf(words[1].c_str(), "%llx", &addr);
- glb_mem_base = addr;
- } else if ((words[0] == "br") && (words.size() > 2)) {
- uint64_t ip = 0; //atoi(words[1].c_str());
- sscanf(words[1].c_str(), "%llx", &ip);
- int len = atoi(words[2].c_str());
- printf("ip:0x%llx\n", ip);
- Breakpoint br(ip, len);
- glb_breakpoints[ip] = br;
-
- deb_api.SetHwBreakpoint(de.thread_, br.addr_, br.id_);
-
-
- } else if (words[0] == "g") {
- x86_thread_state context;
- memset(&context, 0, sizeof(context));
- bool res = deb_api.ReadThreadContext(de.thread_, &context);
- if (res) {
- printf("tsh = %d\n", context.tsh.flavor);
- if (context.tsh.flavor == x86_THREAD_STATE32) {
-#define AAS(x) printf("\t%s = 0x%x\n", #x, context.uts.ts32.__##x)
- AAS(eax);
- AAS(ebx);
- AAS(ecx);
- AAS(edx);
- AAS(edi);
- AAS(esi);
- AAS(ebp);
- AAS(esp);
- AAS(ss);
- AAS(eflags);
- AAS(eip);
- AAS(cs);
- AAS(ds);
- AAS(es);
- AAS(fs);
- AAS(gs);
-
- }
- }
- } else if (words[0] == "ip") {
- unsigned int ip = 0;
- deb_api.ReadIP(de.thread_, &ip);
- printf("IP = 0x%x\n", ip);
- } else if (words[0] == "ip--") {
- unsigned int ip = 0;
- if (deb_api.ReadIP(de.thread_, &ip)) {
- ip--;
- deb_api.WriteIP(de.thread_, ip);
- printf("IP = 0x%x\n", ip);
- }
- } else if (words[0] == "ip++") {
- unsigned int ip = 0;
- if (deb_api.ReadIP(de.thread_, &ip)) {
- ip++;
- deb_api.WriteIP(de.thread_, ip);
- printf("IP = 0x%x\n", ip);
- }
- } else if ((words[0] == "break") && (words.size() >= 2)) {
- int pid = atoi(words[2].c_str());
- bool res = deb_api.DebugBreak(pid);
- if (!res)
- printf("Error\n");
- }
- }
- }
- }
- return 1;
-}
-
-/*
-#include "debugger_front_end.h"
-#include "debugger_back_end.h"
-
-int main2(int argc, char *argv[]) {
- debug::BackEnd back_end;
- debug::FrontEnd debugger(&back_end);
- int ret_code = 0;
- if (!debugger.Init(argc, argv, &ret_code))
- return ret_code;
-
- return debugger.Run();
-}
-*/
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