[lldb][NFC] Cleanup mentions and code related to lldb-mi

Summary: lldb-mi has been removed, but there are still a bunch of references in the code base. This patch removes all of them.

Reviewers: JDevlieghere, jfb

Reviewed By: JDevlieghere

Subscribers: dexonsmith, ki.stfu, mgorny, abidh, jfb, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D64992

llvm-svn: 366590

1 files changed, 0 insertions, 370 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/main.cpp b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/main.cpp
deleted file mode 100644
index f1d46b85425..00000000000
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/main.cpp
+++ /dev/null
@@ -1,370 +0,0 @@
-//===-- main.cpp ------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include <atomic>
-#include <chrono>
-#include <cstdlib>
-#include <cstring>
-#include <errno.h>
-#include <inttypes.h>
-#include <memory>
-#include <mutex>
-#if !defined(_WIN32)
-#include <pthread.h>
-#include <signal.h>
-#include <unistd.h>
-#endif
-#include <setjmp.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <thread>
-#include <time.h>
-#include <vector>
-
-#if defined(__APPLE__)
-__OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2)
-int pthread_threadid_np(pthread_t, __uint64_t *);
-#elif defined(__linux__)
-#include <sys/syscall.h>
-#elif defined(__NetBSD__)
-#include <lwp.h>
-#elif defined(_WIN32)
-#include <windows.h>
-#endif
-
-static const char *const RETVAL_PREFIX = "retval:";
-static const char *const SLEEP_PREFIX = "sleep:";
-static const char *const STDERR_PREFIX = "stderr:";
-static const char *const SET_MESSAGE_PREFIX = "set-message:";
-static const char *const PRINT_MESSAGE_COMMAND = "print-message:";
-static const char *const GET_DATA_ADDRESS_PREFIX = "get-data-address-hex:";
-static const char *const GET_STACK_ADDRESS_COMMAND = "get-stack-address-hex:";
-static const char *const GET_HEAP_ADDRESS_COMMAND = "get-heap-address-hex:";
-
-static const char *const GET_CODE_ADDRESS_PREFIX = "get-code-address-hex:";
-static const char *const CALL_FUNCTION_PREFIX = "call-function:";
-
-static const char *const THREAD_PREFIX = "thread:";
-static const char *const THREAD_COMMAND_NEW = "new";
-static const char *const THREAD_COMMAND_PRINT_IDS = "print-ids";
-static const char *const THREAD_COMMAND_SEGFAULT = "segfault";
-
-static const char *const PRINT_PID_COMMAND = "print-pid";
-
-static bool g_print_thread_ids = false;
-static std::mutex g_print_mutex;
-static bool g_threads_do_segfault = false;
-
-static std::mutex g_jump_buffer_mutex;
-static jmp_buf g_jump_buffer;
-static bool g_is_segfaulting = false;
-
-static char g_message[256];
-
-static volatile char g_c1 = '0';
-static volatile char g_c2 = '1';
-
-static void print_pid() {
-#if defined(_WIN32)
-  fprintf(stderr, "PID: %d\n", ::GetCurrentProcessId());
-#else
-  fprintf(stderr, "PID: %d\n", getpid());
-#endif
-}
-
-static void print_thread_id() {
-// Put in the right magic here for your platform to spit out the thread id (tid)
-// that debugserver/lldb-gdbserver would see as a TID. Otherwise, let the else
-// clause print out the unsupported text so that the unit test knows to skip
-// verifying thread ids.
-#if defined(__APPLE__)
-  __uint64_t tid = 0;
-  pthread_threadid_np(pthread_self(), &tid);
-  printf("%" PRIx64, tid);
-#elif defined(__linux__)
-  // This is a call to gettid() via syscall.
-  printf("%" PRIx64, static_cast<uint64_t>(syscall(__NR_gettid)));
-#elif defined(__NetBSD__)
-  // Technically lwpid_t is 32-bit signed integer
-  printf("%" PRIx64, static_cast<uint64_t>(_lwp_self()));
-#elif defined(_WIN32)
-  printf("%" PRIx64, static_cast<uint64_t>(::GetCurrentThreadId()));
-#else
-  printf("{no-tid-support}");
-#endif
-}
-
-static void signal_handler(int signo) {
-#if defined(_WIN32)
-  // No signal support on Windows.
-#else
-  const char *signal_name = nullptr;
-  switch (signo) {
-  case SIGUSR1:
-    signal_name = "SIGUSR1";
-    break;
-  case SIGSEGV:
-    signal_name = "SIGSEGV";
-    break;
-  default:
-    signal_name = nullptr;
-  }
-
-  // Print notice that we received the signal on a given thread.
-  {
-    std::lock_guard<std::mutex> lock(g_print_mutex);
-    if (signal_name)
-      printf("received %s on thread id: ", signal_name);
-    else
-      printf("received signo %d (%s) on thread id: ", signo, strsignal(signo));
-    print_thread_id();
-    printf("\n");
-  }
-
-  // Reset the signal handler if we're one of the expected signal handlers.
-  switch (signo) {
-  case SIGSEGV:
-    if (g_is_segfaulting) {
-      // Fix up the pointer we're writing to.  This needs to happen if nothing
-      // intercepts the SIGSEGV (i.e. if somebody runs this from the command
-      // line).
-      longjmp(g_jump_buffer, 1);
-    }
-    break;
-  case SIGUSR1:
-    if (g_is_segfaulting) {
-      // Fix up the pointer we're writing to.  This is used to test gdb remote
-      // signal delivery. A SIGSEGV will be raised when the thread is created,
-      // switched out for a SIGUSR1, and then this code still needs to fix the
-      // seg fault. (i.e. if somebody runs this from the command line).
-      longjmp(g_jump_buffer, 1);
-    }
-    break;
-  }
-
-  // Reset the signal handler.
-  sig_t sig_result = signal(signo, signal_handler);
-  if (sig_result == SIG_ERR) {
-    fprintf(stderr, "failed to set signal handler: errno=%d\n", errno);
-    exit(1);
-  }
-#endif
-}
-
-static void swap_chars() {
-  g_c1 = '1';
-  g_c2 = '0';
-
-  g_c1 = '0';
-  g_c2 = '1';
-}
-
-static void hello() {
-  std::lock_guard<std::mutex> lock(g_print_mutex);
-  printf("hello, world\n");
-}
-
-static void *thread_func(void *arg) {
-  static std::atomic<int> s_thread_index(1);
-  const int this_thread_index = s_thread_index++;
-  if (g_print_thread_ids) {
-    std::lock_guard<std::mutex> lock(g_print_mutex);
-    printf("thread %d id: ", this_thread_index);
-    print_thread_id();
-    printf("\n");
-  }
-
-  if (g_threads_do_segfault) {
-    // Sleep for a number of seconds based on the thread index.
-    // TODO add ability to send commands to test exe so we can
-    // handle timing more precisely.  This is clunky.  All we're
-    // trying to do is add predictability as to the timing of
-    // signal generation by created threads.
-    int sleep_seconds = 2 * (this_thread_index - 1);
-    std::this_thread::sleep_for(std::chrono::seconds(sleep_seconds));
-
-    // Test creating a SEGV.
-    {
-      std::lock_guard<std::mutex> lock(g_jump_buffer_mutex);
-      g_is_segfaulting = true;
-      int *bad_p = nullptr;
-      if (setjmp(g_jump_buffer) == 0) {
-        // Force a seg fault signal on this thread.
-        *bad_p = 0;
-      } else {
-        // Tell the system we're no longer seg faulting.
-        // Used by the SIGUSR1 signal handler that we inject
-        // in place of the SIGSEGV so it only tries to
-        // recover from the SIGSEGV if this seg fault code
-        // was in play.
-        g_is_segfaulting = false;
-      }
-    }
-
-    {
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("thread ");
-      print_thread_id();
-      printf(": past SIGSEGV\n");
-    }
-  }
-
-  int sleep_seconds_remaining = 60;
-  std::this_thread::sleep_for(std::chrono::seconds(sleep_seconds_remaining));
-
-  return nullptr;
-}
-
-int main(int argc, char **argv) {
-  lldb_enable_attach();
-
-  std::vector<std::thread> threads;
-  std::unique_ptr<uint8_t[]> heap_array_up;
-  int return_value = 0;
-
-#if !defined(_WIN32)
-  // Set the signal handler.
-  sig_t sig_result = signal(SIGALRM, signal_handler);
-  if (sig_result == SIG_ERR) {
-    fprintf(stderr, "failed to set SIGALRM signal handler: errno=%d\n", errno);
-    exit(1);
-  }
-
-  sig_result = signal(SIGUSR1, signal_handler);
-  if (sig_result == SIG_ERR) {
-    fprintf(stderr, "failed to set SIGUSR1 handler: errno=%d\n", errno);
-    exit(1);
-  }
-
-  sig_result = signal(SIGSEGV, signal_handler);
-  if (sig_result == SIG_ERR) {
-    fprintf(stderr, "failed to set SIGUSR1 handler: errno=%d\n", errno);
-    exit(1);
-  }
-#endif
-
-  // Process command line args.
-  for (int i = 1; i < argc; ++i) {
-    if (std::strstr(argv[i], STDERR_PREFIX)) {
-      // Treat remainder as text to go to stderr.
-      fprintf(stderr, "%s\n", (argv[i] + strlen(STDERR_PREFIX)));
-    } else if (std::strstr(argv[i], RETVAL_PREFIX)) {
-      // Treat as the return value for the program.
-      return_value = std::atoi(argv[i] + strlen(RETVAL_PREFIX));
-    } else if (std::strstr(argv[i], SLEEP_PREFIX)) {
-      // Treat as the amount of time to have this process sleep (in seconds).
-      int sleep_seconds_remaining = std::atoi(argv[i] + strlen(SLEEP_PREFIX));
-
-      // Loop around, sleeping until all sleep time is used up.  Note that
-      // signals will cause sleep to end early with the number of seconds
-      // remaining.
-      std::this_thread::sleep_for(
-          std::chrono::seconds(sleep_seconds_remaining));
-
-    } else if (std::strstr(argv[i], SET_MESSAGE_PREFIX)) {
-      // Copy the contents after "set-message:" to the g_message buffer.
-      // Used for reading inferior memory and verifying contents match
-      // expectations.
-      strncpy(g_message, argv[i] + strlen(SET_MESSAGE_PREFIX),
-              sizeof(g_message));
-
-      // Ensure we're null terminated.
-      g_message[sizeof(g_message) - 1] = '\0';
-
-    } else if (std::strstr(argv[i], PRINT_MESSAGE_COMMAND)) {
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("message: %s\n", g_message);
-    } else if (std::strstr(argv[i], GET_DATA_ADDRESS_PREFIX)) {
-      volatile void *data_p = nullptr;
-
-      if (std::strstr(argv[i] + strlen(GET_DATA_ADDRESS_PREFIX), "g_message"))
-        data_p = &g_message[0];
-      else if (std::strstr(argv[i] + strlen(GET_DATA_ADDRESS_PREFIX), "g_c1"))
-        data_p = &g_c1;
-      else if (std::strstr(argv[i] + strlen(GET_DATA_ADDRESS_PREFIX), "g_c2"))
-        data_p = &g_c2;
-
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("data address: %p\n", data_p);
-    } else if (std::strstr(argv[i], GET_HEAP_ADDRESS_COMMAND)) {
-      // Create a byte array if not already present.
-      if (!heap_array_up)
-        heap_array_up.reset(new uint8_t[32]);
-
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("heap address: %p\n", heap_array_up.get());
-
-    } else if (std::strstr(argv[i], GET_STACK_ADDRESS_COMMAND)) {
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("stack address: %p\n", &return_value);
-    } else if (std::strstr(argv[i], GET_CODE_ADDRESS_PREFIX)) {
-      void (*func_p)() = nullptr;
-
-      if (std::strstr(argv[i] + strlen(GET_CODE_ADDRESS_PREFIX), "hello"))
-        func_p = hello;
-      else if (std::strstr(argv[i] + strlen(GET_CODE_ADDRESS_PREFIX),
-                           "swap_chars"))
-        func_p = swap_chars;
-
-      std::lock_guard<std::mutex> lock(g_print_mutex);
-      printf("code address: %p\n", func_p);
-    } else if (std::strstr(argv[i], CALL_FUNCTION_PREFIX)) {
-      void (*func_p)() = nullptr;
-
-      // Defaut to providing the address of main.
-      if (std::strcmp(argv[i] + strlen(CALL_FUNCTION_PREFIX), "hello") == 0)
-        func_p = hello;
-      else if (std::strcmp(argv[i] + strlen(CALL_FUNCTION_PREFIX),
-                           "swap_chars") == 0)
-        func_p = swap_chars;
-      else {
-        std::lock_guard<std::mutex> lock(g_print_mutex);
-        printf("unknown function: %s\n",
-               argv[i] + strlen(CALL_FUNCTION_PREFIX));
-      }
-      if (func_p)
-        func_p();
-    } else if (std::strstr(argv[i], THREAD_PREFIX)) {
-      // Check if we're creating a new thread.
-      if (std::strstr(argv[i] + strlen(THREAD_PREFIX), THREAD_COMMAND_NEW)) {
-        threads.push_back(std::thread(thread_func, nullptr));
-      } else if (std::strstr(argv[i] + strlen(THREAD_PREFIX),
-                             THREAD_COMMAND_PRINT_IDS)) {
-        // Turn on thread id announcing.
-        g_print_thread_ids = true;
-
-        // And announce us.
-        {
-          std::lock_guard<std::mutex> lock(g_print_mutex);
-          printf("thread 0 id: ");
-          print_thread_id();
-          printf("\n");
-        }
-      } else if (std::strstr(argv[i] + strlen(THREAD_PREFIX),
-                             THREAD_COMMAND_SEGFAULT)) {
-        g_threads_do_segfault = true;
-      } else {
-        // At this point we don't do anything else with threads.
-        // Later use thread index and send command to thread.
-      }
-    } else if (std::strstr(argv[i], PRINT_PID_COMMAND)) {
-      print_pid();
-    } else {
-      // Treat the argument as text for stdout.
-      printf("%s\n", argv[i]);
-    }
-  }
-
-  // If we launched any threads, join them
-  for (std::vector<std::thread>::iterator it = threads.begin();
-       it != threads.end(); ++it)
-    it->join();
-
-  return return_value;
-}