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-rw-r--r--tools/driver/Driver.cpp145
1 files changed, 102 insertions, 43 deletions
diff --git a/tools/driver/Driver.cpp b/tools/driver/Driver.cpp
index 0b72e22c80c8..c057d71a8300 100644
--- a/tools/driver/Driver.cpp
+++ b/tools/driver/Driver.cpp
@@ -27,7 +27,6 @@
#include <string>
-#include <thread>
#include "lldb/API/SBBreakpoint.h"
#include "lldb/API/SBCommandInterpreter.h"
#include "lldb/API/SBCommandReturnObject.h"
@@ -37,10 +36,13 @@
#include "lldb/API/SBHostOS.h"
#include "lldb/API/SBLanguageRuntime.h"
#include "lldb/API/SBListener.h"
+#include "lldb/API/SBProcess.h"
#include "lldb/API/SBStream.h"
+#include "lldb/API/SBStringList.h"
#include "lldb/API/SBTarget.h"
#include "lldb/API/SBThread.h"
-#include "lldb/API/SBProcess.h"
+#include "llvm/Support/ConvertUTF.h"
+#include <thread>
#if !defined(__APPLE__)
#include "llvm/Support/DataTypes.h"
@@ -441,13 +443,24 @@ Driver::OptionData::Clear ()
m_script_lang = lldb::eScriptLanguageDefault;
m_initial_commands.clear ();
m_after_file_commands.clear ();
- // If there is a local .lldbinit, source that:
- SBFileSpec local_lldbinit("./.lldbinit", true);
- if (local_lldbinit.Exists())
+
+ // If there is a local .lldbinit, add that to the
+ // list of things to be sourced, if the settings
+ // permit it.
+ SBFileSpec local_lldbinit (".lldbinit", true);
+
+ SBFileSpec homedir_dot_lldb = SBHostOS::GetUserHomeDirectory();
+ homedir_dot_lldb.AppendPathComponent (".lldbinit");
+
+ // Only read .lldbinit in the current working directory
+ // if it's not the same as the .lldbinit in the home
+ // directory (which is already being read in).
+ if (local_lldbinit.Exists()
+ && strcmp (local_lldbinit.GetDirectory(), homedir_dot_lldb.GetDirectory()) != 0)
{
char path[2048];
local_lldbinit.GetPath(path, 2047);
- InitialCmdEntry entry(path, true, true);
+ InitialCmdEntry entry(path, true, true, true);
m_after_file_commands.push_back (entry);
}
@@ -486,18 +499,18 @@ Driver::OptionData::AddInitialCommand (const char *command, CommandPlacement pla
{
SBFileSpec file(command);
if (file.Exists())
- command_set->push_back (InitialCmdEntry(command, is_file));
+ command_set->push_back (InitialCmdEntry(command, is_file, false));
else if (file.ResolveExecutableLocation())
{
char final_path[PATH_MAX];
file.GetPath (final_path, sizeof(final_path));
- command_set->push_back (InitialCmdEntry(final_path, is_file));
+ command_set->push_back (InitialCmdEntry(final_path, is_file, false));
}
else
error.SetErrorStringWithFormat("file specified in --source (-s) option doesn't exist: '%s'", optarg);
}
else
- command_set->push_back (InitialCmdEntry(command, is_file));
+ command_set->push_back (InitialCmdEntry(command, is_file, false));
}
void
@@ -550,6 +563,30 @@ Driver::WriteCommandsForSourcing (CommandPlacement placement, SBStream &strm)
const char *command = command_entry.contents.c_str();
if (command_entry.is_file)
{
+ // If this command_entry is a file to be sourced, and it's the ./.lldbinit file (the .lldbinit
+ // file in the current working directory), only read it if target.load-cwd-lldbinit is 'true'.
+ if (command_entry.is_cwd_lldbinit_file_read)
+ {
+ SBStringList strlist = m_debugger.GetInternalVariableValue ("target.load-cwd-lldbinit",
+ m_debugger.GetInstanceName());
+ if (strlist.GetSize() == 1 && strcmp (strlist.GetStringAtIndex(0), "warn") == 0)
+ {
+ FILE *output = m_debugger.GetOutputFileHandle ();
+ ::fprintf (output,
+ "There is a .lldbinit file in the current directory which is not being read.\n"
+ "To silence this warning without sourcing in the local .lldbinit,\n"
+ "add the following to the lldbinit file in your home directory:\n"
+ " settings set target.load-cwd-lldbinit false\n"
+ "To allow lldb to source .lldbinit files in the current working directory,\n"
+ "set the value of this variable to true. Only do so if you understand and\n"
+ "accept the security risk.\n");
+ return;
+ }
+ if (strlist.GetSize() == 1 && strcmp (strlist.GetStringAtIndex(0), "false") == 0)
+ {
+ return;
+ }
+ }
bool source_quietly = m_option_data.m_source_quietly || command_entry.source_quietly;
strm.Printf("command source -s %i '%s'\n", source_quietly, command);
}
@@ -914,7 +951,8 @@ PrepareCommandsForSourcing (const char *commands_data, size_t commands_size, int
{
fprintf(stderr, "error: write(%i, %p, %" PRIu64 ") failed (errno = %i) "
"when trying to open LLDB commands pipe\n",
- fds[WRITE], commands_data, static_cast<uint64_t>(commands_size), errno);
+ fds[WRITE], static_cast<const void *>(commands_data),
+ static_cast<uint64_t>(commands_size), errno);
}
else if (static_cast<size_t>(nrwr) == commands_size)
{
@@ -999,7 +1037,12 @@ Driver::MainLoop ()
atexit (reset_stdin_termios);
}
+#ifndef _MSC_VER
+ // Disabling stdin buffering with MSVC's 2015 CRT exposes a bug in fgets
+ // which causes it to miss newlines depending on whether there have been an
+ // odd or even number of characters. Bug has been reported to MS via Connect.
::setbuf (stdin, NULL);
+#endif
::setbuf (stdout, NULL);
m_debugger.SetErrorFileHandle (stderr, false);
@@ -1032,7 +1075,7 @@ Driver::MainLoop ()
SBStream commands_stream;
// First source in the commands specified to be run before the file arguments are processed.
- WriteCommandsForSourcing(eCommandPlacementBeforeFile, commands_stream);
+ WriteCommandsForSourcing (eCommandPlacementBeforeFile, commands_stream);
const size_t num_args = m_option_data.m_args.size();
if (num_args > 0)
@@ -1245,7 +1288,9 @@ sigint_handler (int signo)
void
sigtstp_handler (int signo)
{
- g_driver->GetDebugger().SaveInputTerminalState();
+ if (g_driver)
+ g_driver->GetDebugger().SaveInputTerminalState();
+
signal (signo, SIG_DFL);
kill (getpid(), signo);
signal (signo, sigtstp_handler);
@@ -1254,50 +1299,64 @@ sigtstp_handler (int signo)
void
sigcont_handler (int signo)
{
- g_driver->GetDebugger().RestoreInputTerminalState();
+ if (g_driver)
+ g_driver->GetDebugger().RestoreInputTerminalState();
+
signal (signo, SIG_DFL);
kill (getpid(), signo);
signal (signo, sigcont_handler);
}
int
-main (int argc, char const *argv[], const char *envp[])
+#ifdef WIN32
+wmain(int argc, wchar_t const *wargv[])
+#else
+main(int argc, char const *argv[])
+#endif
{
-#ifdef _MSC_VER
- // disable buffering on windows
- setvbuf(stdout, NULL, _IONBF, 0);
- setvbuf(stdin , NULL, _IONBF, 0);
+#ifdef _WIN32
+ // Convert wide arguments to UTF-8
+ std::vector<std::string> argvStrings(argc);
+ std::vector<const char *> argvPointers(argc);
+ for (int i = 0; i != argc; ++i)
+ {
+ llvm::convertWideToUTF8(wargv[i], argvStrings[i]);
+ argvPointers[i] = argvStrings[i].c_str();
+ }
+ const char **argv = argvPointers.data();
#endif
- SBDebugger::Initialize();
-
- SBHostOS::ThreadCreated ("<lldb.driver.main-thread>");
+ SBDebugger::Initialize();
- signal (SIGPIPE, SIG_IGN);
- signal (SIGWINCH, sigwinch_handler);
- signal (SIGINT, sigint_handler);
- signal (SIGTSTP, sigtstp_handler);
- signal (SIGCONT, sigcont_handler);
+ SBHostOS::ThreadCreated("<lldb.driver.main-thread>");
- // Create a scope for driver so that the driver object will destroy itself
- // before SBDebugger::Terminate() is called.
- {
- Driver driver;
+ signal(SIGINT, sigint_handler);
+#if !defined(_MSC_VER)
+ signal(SIGPIPE, SIG_IGN);
+ signal(SIGWINCH, sigwinch_handler);
+ signal(SIGTSTP, sigtstp_handler);
+ signal(SIGCONT, sigcont_handler);
+#endif
- bool exiting = false;
- SBError error (driver.ParseArgs (argc, argv, stdout, exiting));
- if (error.Fail())
+ // Create a scope for driver so that the driver object will destroy itself
+ // before SBDebugger::Terminate() is called.
{
- const char *error_cstr = error.GetCString ();
- if (error_cstr)
- ::fprintf (stderr, "error: %s\n", error_cstr);
- }
- else if (!exiting)
- {
- driver.MainLoop ();
+ Driver driver;
+
+ bool exiting = false;
+ SBError error(driver.ParseArgs(argc, argv, stdout, exiting));
+ if (error.Fail())
+ {
+ const char *error_cstr = error.GetCString();
+ if (error_cstr)
+ ::fprintf(stderr, "error: %s\n", error_cstr);
+ }
+ else if (!exiting)
+ {
+ driver.MainLoop();
+ }
}
- }
- SBDebugger::Terminate();
- return 0;
+ SBDebugger::Terminate();
+ return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 07:45:48 +0000