exp-sgcheck/pc_main.c

/*--------------------------------------------------------------------*/
/*--- Ptrcheck: a pointer-use checker.                             ---*/
/*--- This file coordinates the h_ and sg_ subtools.               ---*/
/*---                                                    pc_main.c ---*/
/*--------------------------------------------------------------------*/

/*
   This file is part of Ptrcheck, a Valgrind tool for checking pointer
   use in programs.

   Copyright (C) 2008-2017 OpenWorks Ltd
      info@open-works.co.uk

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307, USA.

   The GNU General Public License is contained in the file COPYING.

   Neither the names of the U.S. Department of Energy nor the
   University of California nor the names of its contributors may be
   used to endorse or promote products derived from this software
   without prior written permission.
*/

#include "pub_tool_basics.h"
#include "pub_tool_libcassert.h"
#include "pub_tool_libcprint.h"
#include "pub_tool_execontext.h"
#include "pub_tool_tooliface.h"
#include "pub_tool_options.h"

#include "sg_main.h"
#include "pc_common.h"
#include "h_main.h"


//////////////////////////////////////////////////////////////
//                                                          //
// main                                                     //
//                                                          //
//////////////////////////////////////////////////////////////

static void pc_pre_clo_init(void)
{
#if defined(VGO_darwin)
   // This makes the (all-failing) regtests run much faster.
   VG_(printf)("SGCheck doesn't work on Darwin yet, sorry.\n");
   VG_(exit)(1);
#endif
#if defined(VGA_s390x)
   /* fixs390: to be done. */
   VG_(printf)("SGCheck doesn't work on s390x yet, sorry.\n");
   VG_(exit)(1);
#endif
#if defined(VGA_ppc32) || defined(VGA_ppc64be) || defined(VGA_ppc64le)
   VG_(printf)("SGCheck doesn't work on PPC yet, sorry.\n");
   VG_(exit)(1);
#endif
#if defined(VGA_arm) || defined(VGA_arm64)
   VG_(printf)("SGCheck doesn't work on ARM yet, sorry.\n");
   VG_(exit)(1);
#endif
#if defined(VGA_mips32) || defined(VGA_mips64)
   VG_(printf)("SGCheck doesn't work on MIPS yet, sorry.\n");
   VG_(exit)(1);
#endif

   // Can't change the name until we change the names in suppressions
   // too.
   VG_(details_name)            ("exp-sgcheck");
   VG_(details_version)         (NULL);
   VG_(details_description)     ("a stack and global array "
                                 "overrun detector");
   VG_(details_copyright_author)(
      "Copyright (C) 2003-2017, and GNU GPL'd, by OpenWorks Ltd et al.");
   VG_(details_bug_reports_to)  (VG_BUGS_TO);
   VG_(details_avg_translation_sizeB) ( 496 );

   VG_(basic_tool_funcs)        (sg_post_clo_init,
                                 h_instrument,
                                 sg_fini);

   VG_(needs_malloc_replacement)( h_replace_malloc,
                                  h_replace___builtin_new,
                                  h_replace___builtin_vec_new,
                                  h_replace_memalign,
                                  h_replace_calloc,
                                  h_replace_free,
                                  h_replace___builtin_delete,
                                  h_replace___builtin_vec_delete,
                                  h_replace_realloc,
                                  h_replace_malloc_usable_size,
                                  0 /* no need for client heap redzones */ );

   VG_(needs_var_info)          ();

   VG_(needs_core_errors)       ();
   VG_(needs_tool_errors)       (pc_eq_Error,
                                 pc_before_pp_Error,
                                 pc_pp_Error,
                                 True,/*show TIDs for errors*/
                                 pc_update_Error_extra,
                                 pc_is_recognised_suppression,
                                 pc_read_extra_suppression_info,
                                 pc_error_matches_suppression,
                                 pc_get_error_name,
                                 pc_get_extra_suppression_info,
                                 pc_print_extra_suppression_use,
                                 pc_update_extra_suppression_use);

   VG_(needs_xml_output)        ();

   //VG_(needs_syscall_wrapper)( h_pre_syscall,
   //                            h_post_syscall );

   VG_(needs_command_line_options)( pc_process_cmd_line_options,
                                    pc_print_usage,
                                    pc_print_debug_usage );

   VG_(track_die_mem_stack)        ( sg_die_mem_stack );
   VG_(track_pre_thread_ll_create) ( sg_pre_thread_ll_create );
   VG_(track_pre_thread_first_insn)( sg_pre_thread_first_insn );

   VG_(track_new_mem_mmap)         ( sg_new_mem_mmap );
   VG_(track_new_mem_startup)      ( sg_new_mem_startup);
   VG_(track_die_mem_munmap)       ( sg_die_mem_munmap );

   /* Really we ought to give handlers for these, to
      check that syscalls don't read across array boundaries. */
   /*
   VG_(track_pre_mem_read)         ( NULL );
   VG_(track_pre_mem_read_asciiz)  ( NULL );
   VG_(track_pre_mem_write)        ( NULL );
   */

   sg_pre_clo_init();

   VG_(clo_vex_control).iropt_unroll_thresh = 0;
   VG_(clo_vex_control).guest_chase_thresh = 0;
}

VG_DETERMINE_INTERFACE_VERSION(pc_pre_clo_init)


/*--------------------------------------------------------------------*/
/*--- end                                                pc_main.c ---*/
/*--------------------------------------------------------------------*/