/* Target-vector operations for controlling win32 child processes, for GDB.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006
- Free Software Foundation, Inc.
+ 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Cygnus Solutions, A Red Hat Company.
/* User options. */
static int new_console = 0;
+static int cygwin_exceptions = 0;
static int new_group = 1;
static int debug_exec = 0; /* show execution */
static int debug_events = 0; /* show events from kernel */
within the text segment of the DLL itself. */
char *fn;
bfd_vma addr = (bfd_vma) current_event.u.Exception.ExceptionRecord.ExceptionAddress;
- if ((addr >= cygwin_load_start && addr < cygwin_load_end)
+ if ((!cygwin_exceptions && (addr >= cygwin_load_start && addr < cygwin_load_end))
|| (find_pc_partial_function (addr, &fn, NULL, NULL)
&& strncmp (fn, "KERNEL32!IsBad", strlen ("KERNEL32!IsBad")) == 0))
return 0;
error (_("Use the \"run\" command to start a Unix child process."));
}
-/* Function called by qsort to sort environment strings. */
-static int
-env_sort (const void *a, const void *b)
-{
- const char **p = (const char **) a;
- const char **q = (const char **) b;
- return strcasecmp (*p, *q);
-}
-
/* Start an inferior win32 child process and sets inferior_ptid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
win32_create_inferior (char *exec_file, char *allargs, char **in_env,
int from_tty)
{
- char *winenv;
- char *temp;
- int envlen;
- int i;
STARTUPINFO si;
PROCESS_INFORMATION pi;
BOOL ret;
strcat (args, allargs);
/* Prepare the environment vars for CreateProcess. */
- {
- /* This code used to assume all env vars were file names and would
- translate them all to win32 style. That obviously doesn't work in the
- general case. The current rule is that we only translate PATH.
- We need to handle PATH because we're about to call CreateProcess and
- it uses PATH to find DLL's. Fortunately PATH has a well-defined value
- in both posix and win32 environments. cygwin.dll will change it back
- to posix style if necessary. */
-
- static const char *conv_path_names[] =
- {
- "PATH=",
- 0
- };
-
- /* CreateProcess takes the environment list as a null terminated set of
- strings (i.e. two nulls terminate the list). */
-
- /* Get total size for env strings. */
- for (envlen = 0, i = 0; in_env[i] && *in_env[i]; i++)
- {
- int j, len;
-
- for (j = 0; conv_path_names[j]; j++)
- {
- len = strlen (conv_path_names[j]);
- if (strncmp (conv_path_names[j], in_env[i], len) == 0)
- {
- if (cygwin_posix_path_list_p (in_env[i] + len))
- envlen += len
- + cygwin_posix_to_win32_path_list_buf_size (in_env[i] + len);
- else
- envlen += strlen (in_env[i]) + 1;
- break;
- }
- }
- if (conv_path_names[j] == NULL)
- envlen += strlen (in_env[i]) + 1;
- }
-
- size_t envsize = sizeof (in_env[0]) * (i + 1);
- char **env = (char **) alloca (envsize);
- memcpy (env, in_env, envsize);
- /* Windows programs expect the environment block to be sorted. */
- qsort (env, i, sizeof (char *), env_sort);
-
- winenv = alloca (envlen + 1);
-
- /* Copy env strings into new buffer. */
- for (temp = winenv, i = 0; env[i] && *env[i]; i++)
- {
- int j, len;
-
- for (j = 0; conv_path_names[j]; j++)
- {
- len = strlen (conv_path_names[j]);
- if (strncmp (conv_path_names[j], env[i], len) == 0)
- {
- if (cygwin_posix_path_list_p (env[i] + len))
- {
- memcpy (temp, env[i], len);
- cygwin_posix_to_win32_path_list (env[i] + len, temp + len);
- }
- else
- strcpy (temp, env[i]);
- break;
- }
- }
- if (conv_path_names[j] == NULL)
- strcpy (temp, env[i]);
-
- temp += strlen (temp) + 1;
- }
-
- /* Final nil string to terminate new env. */
- *temp = 0;
- }
+ cygwin_internal (CW_SYNC_WINENV);
if (!inferior_io_terminal)
tty = ostdin = ostdout = ostderr = -1;
NULL, /* thread */
TRUE, /* inherit handles */
flags, /* start flags */
- winenv,
+ NULL, /* environment */
NULL, /* current directory */
&si,
&pi);
regcache_raw_supply (current_regcache, r, core_reg_sect + mappings[r]);
}
+static int
+open_symbol_file_object (void *from_ttyp)
+{
+ return 0;
+}
+
+static int
+in_dynsym_resolve_code (CORE_ADDR pc)
+{
+ return 0;
+}
+
static void
init_win32_ops (void)
{
win32_so_ops.solib_create_inferior_hook = win32_solib_create_inferior_hook;
win32_so_ops.special_symbol_handling = win32_special_symbol_handling;
win32_so_ops.current_sos = win32_current_sos;
- win32_so_ops.open_symbol_file_object = NULL;
- win32_so_ops.in_dynsym_resolve_code = NULL;
+ win32_so_ops.open_symbol_file_object = open_symbol_file_object;
+ win32_so_ops.in_dynsym_resolve_code = in_dynsym_resolve_code;
/* FIXME: Don't do this here. *_gdbarch_init() should set so_ops. */
current_target_so_ops = &win32_so_ops;
NULL, /* FIXME: i18n: */
&setlist, &showlist);
+ add_setshow_boolean_cmd ("cygwin-exceptions", class_support, &cygwin_exceptions, _("\
+Break when an exception is detected in the Cygwin DLL itself."), _("\
+Show whether gdb breaks on exceptions in the Cygwin DLL itself."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
add_setshow_boolean_cmd ("new-console", class_support, &new_console, _("\
Set creation of new console when creating child process."), _("\
Show creation of new console when creating child process."), NULL,
projects / deliverable / binutils-gdb.git / blobdiff