gdb/testsuite/tui: Introduce check_box_contents

[deliverable/binutils-gdb.git] / gdb / main.c

diff --git a/gdb/main.c b/gdb/main.c
index a0512549da583c36290df0e1e548765b992731fc..d5e5a678baa729d7b9210fecf9ef650f5c5233e9 100644 (file)
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -1,6 +1,6 @@
 /* Top level stuff for GDB, the GNU debugger.
 
-   Copyright (C) 1986-2019 Free Software Foundation, Inc.
+   Copyright (C) 1986-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -52,6 +52,7 @@
 #ifdef GDBTK
 #include "gdbtk/generic/gdbtk.h"
 #endif
+#include "gdbsupport/alt-stack.h"
 
 /* The selected interpreter.  This will be used as a set command
    variable, so it should always be malloc'ed - since
@@ -123,7 +124,8 @@ set_gdb_data_directory (const char *new_datadir)
       print_sys_errmsg (new_datadir, save_errno);
     }
   else if (!S_ISDIR (st.st_mode))
-    warning (_("%s is not a directory."), new_datadir);
+    warning (_("%ps is not a directory."),
+            styled_string (file_name_style.style (), new_datadir));
 
   gdb_datadir = gdb_realpath (new_datadir).get ();
 
@@ -334,29 +336,6 @@ get_init_files (std::vector<std::string> *system_gdbinit,
   *local_gdbinit = localinit;
 }
 
-/* Try to set up an alternate signal stack for SIGSEGV handlers.
-   This allows us to handle SIGSEGV signals generated when the
-   normal process stack is exhausted.  If this stack is not set
-   up (sigaltstack is unavailable or fails) and a SIGSEGV is
-   generated when the normal stack is exhausted then the program
-   will behave as though no SIGSEGV handler was installed.  */
-
-static void
-setup_alternate_signal_stack (void)
-{
-#ifdef HAVE_SIGALTSTACK
-  stack_t ss;
-
-  /* FreeBSD versions older than 11.0 use char * for ss_sp instead of
-     void *.  This cast works with both types.  */
-  ss.ss_sp = (char *) xmalloc (SIGSTKSZ);
-  ss.ss_size = SIGSTKSZ;
-  ss.ss_flags = 0;
-
-  sigaltstack(&ss, NULL);
-#endif
-}
-
 /* Call command_loop.  */
 
 /* Prevent inlining this function for the benefit of GDB's selftests
@@ -898,7 +877,7 @@ captured_main_1 (struct captured_main_args *context)
   save_original_signals_state (quiet);
 
   /* Try to set up an alternate signal stack for SIGSEGV handlers.  */
-  setup_alternate_signal_stack ();
+  gdb::alternate_signal_stack signal_stack;
 
   /* Initialize all files.  */
   gdb_init (gdb_program_name);