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git://sourceware.org/git/valgrind.git
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3392155359
- Update COPYING and VEX/LICENSE.GPL to version 3. - Update README, NEWS, docs/manual license and contributing text. - Update file headers to say either version 3 of the License, or (at your option) any later version. - Leave tests and perf file headers as is, unless the code is derived from Valgrind/VEX. - Leave valgrind.h, cachegrind.h, callgrind.h, drd.h, helgrind.h, memcheck.h and dhat.h Hybrid-BSD licensed.
143 lines
5.1 KiB
C
143 lines
5.1 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- A home for miscellaneous bits of information which pertain ---*/
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/*--- to the client's state. ---*/
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/*--- m_clientstate.c ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2017 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#include "pub_core_basics.h"
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#include "pub_core_threadstate.h"
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#include "pub_core_vki.h"
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#include "pub_core_xarray.h"
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#include "pub_core_clientstate.h"
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/*-----------------------------------------------------------------*/
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/*--- ---*/
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/*--- Basic globals about the address space. ---*/
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/*--- ---*/
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/*-----------------------------------------------------------------*/
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/* Client address space, lowest to highest (see top of ume.c) */
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// TODO: get rid of as many of these as possible.
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/* ***Initial*** lowest address of the stack segment of the main thread.
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The main stack will grow if needed but VG_(clstk_start_base) will
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not be changed according to the growth. */
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Addr VG_(clstk_start_base) = 0;
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/* Initial highest address of the stack segment of the main thread. */
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Addr VG_(clstk_end) = 0;
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UWord VG_(clstk_id) = NULL_STK_ID;
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/* Maximum size of the main thread's client stack. */
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SizeT VG_(clstk_max_size) = 0;
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/* Solaris and Linux only, specifies where the client auxv is.
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This is set up as part of setup_client_stack() in
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initimg-{linux,solaris}.c. */
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UWord* VG_(client_auxv) = NULL;
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Addr VG_(brk_base) = 0; /* start of brk */
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Addr VG_(brk_limit) = 0; /* current brk */
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/* A fd which refers to the client executable. */
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Int VG_(cl_exec_fd) = -1;
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/* A fd which refers to the fake /proc/<pid>/cmdline in /tmp. */
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Int VG_(cl_cmdline_fd) = -1;
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/* A fd which refers to the fake /proc/<pid>/auxv in /tmp. */
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Int VG_(cl_auxv_fd) = -1;
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#if defined(VGO_solaris)
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/* A fd which refers to the fake /proc/<pid>/psinfo in /tmp. */
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Int VG_(cl_psinfo_fd) = -1;
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#endif /* VGO_solaris */
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// Command line pieces, after they have been extracted from argv in
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// m_main.main(). The payload vectors are allocated in VG_AR_CORE
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// (the default arena). They are never freed.
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/* Args for the client. */
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XArray* /* of HChar* */ VG_(args_for_client) = NULL;
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/* Args for V (augments, then those from the launcher). */
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XArray* /* of HChar* */ VG_(args_for_valgrind) = NULL;
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/* How many of the above not to pass on at execve time? */
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Int VG_(args_for_valgrind_noexecpass) = 0;
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/* The name of the client executable, as specified on the command
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line. */
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HChar* VG_(args_the_exename) = NULL;
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/* The real name of the executable, with resolved
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* relative paths and symlinks */
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const HChar* VG_(resolved_exename) = NULL;
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// Client's original rlimit data and rlimit stack
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struct vki_rlimit VG_(client_rlimit_data);
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struct vki_rlimit VG_(client_rlimit_stack);
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// Name of the launcher, as extracted from VALGRIND_LAUNCHER at
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// startup.
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HChar* VG_(name_of_launcher) = NULL;
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/* Application-visible file descriptor limits */
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Int VG_(fd_soft_limit) = -1;
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Int VG_(fd_hard_limit) = -1;
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/* Useful addresses extracted from the client. */
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/* Where is the freeres_wrapper routine we made? */
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Addr VG_(client_freeres_wrapper) = 0;
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/* x86-linux only: where is glibc's _dl_sysinfo_int80 function?
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Finding it isn't essential, but knowing where it is does sometimes
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help produce better back traces. See big comment in
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VG_(get_StackTrace) in m_stacktrace.c for further info. */
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Addr VG_(client__dl_sysinfo_int80) = 0;
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/* Address of the (internal) glibc nptl pthread stack cache size,
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declared as:
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static size_t stack_cache_actsize;
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in nptl/allocatestack.c */
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SizeT* VG_(client__stack_cache_actsize__addr) = 0;
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client__gnu_get_libc_version_type VG_(client__gnu_get_libc_version_addr) = 0;
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#if defined(VGO_solaris)
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/* Address of variable vg_vfork_fildes in vgpreload_core.so.0
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(vg_preloaded.c). */
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Int* VG_(vfork_fildes_addr) = 0;
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#endif
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#if defined(VGO_freebsd)
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Bool VG_(have_slash_proc) = False;
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#endif
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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