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11 Commits

Author SHA1 Message Date
Simon Marchi 5df4cba632 gdb: update gnulib import 
This is mostly to get this commit from gnulib:

    e22cd2677a4b7beacbf30b93bb0559f7b89f96ce
    Add ‘extern "C"’ to count-one-bits.h etc.

... which fixes this compilation problem I observed with clang++:

      CXXLD  gdb
    arch/arm-get-next-pcs.o:arm-get-next-pcs.c:function thumb_get_next_pcs_raw(arm_get_next_pcs*): error: undefined reference to 'count_one_bits(unsigned int)'
    <more such undefined references>

I built-tested on GNU/Linux x86-64 (gcc-9 and clang-9) as well as with the
x86_64-w64-mingw32-gcc cross-compiler.

gnulib/ChangeLog:

	* update-gnulib.sh (GNULIB_COMMIT_SHA1): Bump to
	e22cd2677a4b7beacbf30b93bb0559f7b89f96ce.
	* Makefile.in, config.in, configure, import/*: Re-generate.
 2020-02-22 20:37:18 -05:00
Simon Marchi 5f661e0397 gnulib: import count-one-bits module and use it 
For a fix I intend to submit, I would need a function that counts the
number of set bits in a word.  There is  __builtin_popcount that is
supported by gcc and clang, but there is also a gnulib module that wraps
that and provides a fallback for other compilers, so I think it would be
good to use it.

I also noticed that there is a bitcount function in arch/arm.c, so I
thought that as a first step I would replace that one with the gnulib
count-one-bits module.  This is what this patch does.

The gnulib module provides multiple functions, with various parameter
length (unsigned int, unsigned long int, unsigned long long int), I
chose the one that made sense for each call site based on the argument
type.

gnulib/ChangeLog:

	* update-gnulib.sh (IMPORTED_GNULIB_MODULES): Import
	count-one-bits module.
	* configure: Re-generate.
	* aclocal.m4: Re-generate.
	* Makefile.in: Re-generate.
	* import/count-one-bits.c: New file.
	* import/count-one-bits.h: New file.
	* import/Makefile.am: Re-generate.
	* import/Makefile.in: Re-generate.
	* import/m4/gnulib-cache.m4: Re-generate.
	* import/m4/gnulib-comp.m4: Re-generate.
	* import/m4/count-one-bits.m4: New file.

gdb/ChangeLog:

	* arm-tdep.c: Include count-one-bits.h.
	(cleanup_block_store_pc): Use count_one_bits.
	(cleanup_block_load_pc): Use count_one_bits.
	(arm_copy_block_xfer): Use count_one_bits.
	(thumb2_copy_block_xfer): Use count_one_bits.
	(thumb_copy_pop_pc_16bit): Use count_one_bits.
	* arch/arm-get-next-pcs.c: Include count-one-bits.h.
	(thumb_get_next_pcs_raw): Use count_one_bits.
	(arm_get_next_pcs_raw): Use count_one_bits_l.
	* arch/arm.c (bitcount): Remove.
	* arch/arm.h (bitcount): Remove.
 2020-02-14 14:41:07 -05:00
Simon Marchi 06b3c5bdb0 gdbsupport: rename source files to .cc 
This patch renames the .c source files in gdbsupport to .cc.

In the gdb directory, there is an argument against renaming the source
files, which is that it makes using some git commands more difficult to
do archeology.  Some commands have some kind of "follow" option that
makes git try to follow renames, but it doesn't work in all situations.

Given that we have just moved the gdbsupport directory, that argument
doesn't hold for source files in that directory.  I therefore suggest
renaming them to .cc, so that they are automatically recognized as C++
by various tools and editors.

The original motivation behind this is that when building gdbsupport
with clang, I get:

      CC       agent.o
    clang: error: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Werror,-Wdeprecated]

In the gdb/ directory, we make clang happy by passing "-x c++".  We
could do this in gdbsupport too, but I think that renaming the files is
a better long-term solution.

gdbserver still does its own build of gdbsupport, so a few changes in
its Makefile are necessary.

gdbsupport/ChangeLog:

	* Makefile.am: Rename source files from .c to .cc.
	(CC, CFLAGS): Don't override.
	(AM_CFLAGS): Rename to ...
	(AM_CXXFLAGS): ... this.
	* Makefile.in: Re-generate.
	* %.c: Rename to %.cc.

gdbserver/ChangeLog:

	* Makefile.in: Rename gdbsupport source files from .c to .cc.
 2020-02-13 16:27:03 -05:00
Joel Brobecker b811d2c292 Update copyright year range in all GDB files. 
gdb/ChangeLog:

        Update copyright year range in all GDB files.
 2020-01-01 10:20:53 +04:00
Christian Biesinger c0c3707ff4 Update Gnulib to the latest git version 
This patch allows us to remove a workaround in common-defs.h due to
the gnulib fix in:
https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00024.html

All of GDB's local Gnulib patches were already fixed upstream per their
descriptions, so this patch removes them all.

The problem listed here:
https://sourceware.org/ml/gdb-patches/2019-08/msg00553.html
was probably partially fixed by moving gnulib to the toplevel;
for the remainder, I am setting MAKEOVERRIDES to empty in
gnulib/Makefile.am.  See also the comment there (it fixes an issue
with compilers that don't use C99/C11 by default such as GCC 4.8.5,
the default on Centos 7).

gdb/ChangeLog:

2019-12-16  Christian Biesinger  <cbiesinger@google.com>

	* gdbsupport/common-defs.h: Remove workaround for a gnulib bug
	(we no longer need to include time.h before pathmax.h)

gnulib/ChangeLog:

2019-12-16  Christian Biesinger  <cbiesinger@google.com>

	* Makefile.am: Set MAKEOVERRIDES.
	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* import/Makefile.am: Update.
	* import/Makefile.in: Regenerate.
	* import/_Noreturn.h: New file.
	* import/alloca.c (i00afunc): Update.
	* import/alloca.in.h (if): Update.
	* import/arg-nonnull.h: Rename from import/extra/snippet/arg-nonnull.h.
	* import/arpa_inet.in.h (if): Update.
	* import/assure.h: Update.
	* import/at-func.c: Update.
	* import/basename-lgpl.c: Update.
	* import/canonicalize-lgpl.c (if): Update.
	* import/c++defs.h: Rename from import/extra/snippet/c++defs.h.
	* import/cdefs.h: New file.
	* import/chdir-long.c: Update.
	* import/chdir-long.h: Update.
	* import/cloexec.c: Update.
	* import/cloexec.h: Update.
	* import/close.c: Update.
	* import/closedir.c: Update.
	* import/config.charset: Remove.
	* import/dirent-private.h: Update.
	* import/dirent.in.h: Update.
	* import/dirfd.c: Update.
	* import/dirname-lgpl.c: Update.
	* import/dirname.h (base_name): Update.
	* import/dosname.h (if): Update.
	* import/dup-safer-flag.c: New file.
	* import/dup-safer.c: Update.
	* import/dup.c: Update.
	* import/dup2.c (if): Update.
	(dup2_nothrow): Update.
	(ms_windows_dup2): Update.
	* import/errno.in.h (if): Update.
	(elif): Update.
	* import/error.c (if): Update.
	(strerror_r): Update.
	(program_name): Update.
	(error): Update.
	(error_at_line): Update.
	* import/error.h: Update.
	* import/exitfail.c: Update.
	* import/exitfail.h: Update.
	* import/extra/config.rpath: Update.
	* import/extra/snippet/_Noreturn.h: Remove.
	* import/extra/update-copyright: Update.
	* import/fchdir.c: Update.
	* import/fcntl.c (rpl_fcntl): Update.
	(INCL_DOS): Update.
	(if): Update.
	(rpl_fcntl_DUPFD): Update.
	(rpl_fcntl_DUPFD_CLOEXEC): Update.
	(klibc_fcntl): Update.
	(fcntl): Update.
	(have_dupfd_cloexec): Update.
	* import/fcntl.in.h (if): Update.
	(creat): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(_GL_WARN_ON_USE): Update.
	(O_CLOEXEC): Update.
	(GNULIB_defined_O_CLOEXEC): Update.
	* import/fd-hook.c: Update.
	* import/fd-hook.h: Update.
	* import/fd-safer-flag.c: New file.
	* import/fd-safer.c: Update.
	* import/fdopendir.c: Update.
	* import/filename.h: Update.
	* import/filenamecat-lgpl.c (longest_relative_suffix): Update.
	(mfile_name_concat): Update.
	* import/filenamecat.h: Update.
	* import/flexmember.h: Update.
	* import/float+.h: Update.
	* import/float.c: Update.
	* import/float.in.h (LDBL_MIN): Update.
	* import/fnmatch.c (__builtin_expect): Update.
	(FALLTHROUGH): Update.
	* import/fnmatch.in.h (_FNMATCH_H): Update.
	(_): Update.
	(fnmatch): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_FUNCDECL_SYS): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(_GL_WARN_ON_USE): Update.
	* import/fnmatch_loop.c (FCT): Update.
	(EXT): Update.
	* import/fpucw.h (GET_FPUCW): Update.
	(SET_FPUCW): Update.
	* import/frexp.c: Update.
	* import/frexpl.c: Update.
	* import/fstat.c (stat): Update.
	(fstat): Update.
	(WINDOWS_NATIVE): Update.
	(fstat_nothrow): Update.
	(WIN32_LEAN_AND_MEAN): Update.
	* import/fstatat.c (normal_fstatat): Update.
	(rpl_fstatat): Update.
	* import/getcwd-lgpl.c (rpl_getcwd): Update.
	* import/getcwd.c (getcwd_nothrow): Update.
	(getcwd_system): Update.
	(__getcwd): Update.
	* import/getdtablesize.c (if): Update.
	(_setmaxstdio): Update.
	(_setmaxstdio_nothrow): Update.
	(getdtablesize): Update.
	* import/getlogin_r.c (if): Update.
	(getlogin_r): Update.
	* import/getprogname.c (getprogname): Update.
	* import/getprogname.h: Update.
	* import/gettext.h (if): Update.
	* import/gettimeofday.c (WINDOWS_NATIVE): Update.
	(localtime): Update.
	(GetProcAddress): Update.
	(gmtime): Update.
	(void): Update.
	(struct tm): Update.
	(rpl_localtime): Update.
	(initialize): Update.
	(rpl_gmtime): Update.
	(tzset): Update.
	(rpl_tzset): Update.
	* import/glob-libc.h (_Restrict_): Update.
	(__size_t): Update.
	(__need_size_t): Update.
	(glob): Update.
	(globfree): Update.
	(__REDIRECT_NTH): Update.
	(glob64): Update.
	(globfree64): Update.
	(glob_pattern_p): Update.
	* import/glob.c (POSIX): Update.
	(if): Update.
	(__set_errno): Update.
	(getpwnam_r): Update.
	(__lstat64): Update.
	(FLEXIBLE_ARRAY_MEMBER): Update.
	(__glob_pattern_p): Update.
	(GETPW_R_SIZE_MAX): Update.
	(GET_LOGIN_NAME_MAX): Update.
	(DT_UNKNOWN): Update.
	(DT_DIR): Update.
	(DT_LNK): Update.
	(D_TYPE_TO_RESULT): Update.
	(readdir_result_might_be_symlink): Update.
	(readdir_result_might_be_dir): Update.
	(readdir_result_type): Update.
	(D_INO_TO_RESULT): Update.
	(READDIR_RESULT_INITIALIZER): Update.
	(attribute_hidden): Update.
	(__attribute_noinline__): Update.
	(__builtin_expect): Update.
	(__glibc_unlikely): Update.
	(__has_builtin): Update.
	(__glob_pattern_type): Update.
	(is_dir): Update.
	(glob): Update.
	(globfree): Update.
	(libc_hidden_def): Update.
	(DIRSEP_CHAR): Update.
	(prefix_array): Update.
	(weak_alias): Update.
	(link_exists2_p): Update.
	(link_exists_p): Update.
	(glob_in_dir): Update.
	(GLOBNAMES_MEMBERS): Update.
	* import/glob.in.h (_GL_GLOB_H): Update.
	(_): Update.
	(__BEGIN_DECLS): Update.
	(__END_DECLS): Update.
	(_Restrict_): Update.
	(__THROW): Update.
	(__THROWNL): Update.
	(__size_t): Update.
	(__USE_GNU): Update.
	(glob): Update.
	(globfree): Update.
	(glob_pattern_p): Update.
	(__glob_pattern_p): Update.
	(__GLOB_GNULIB): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_FUNCDECL_SYS): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_WARN_ON_USE): Update.
	* import/glob_internal.h: New file.
	* import/glob_pattern_p.c: New file.
	* import/globfree.c: New file.
	* import/glthread/lock.c (glthread_rwlock_init_for_glibc): Update.
	(glthread_rwlock_rdlock_multithreaded): Update.
	(glthread_once_call): Update.
	(glthread_once_multithreaded): Update.
	(glthread_once_singlethreaded): Update.
	(glthread_recursive_lock_init_multithreaded): Update.
	(glthread_recursive_lock_lock_multithreaded): Update.
	(glthread_recursive_lock_unlock_multithreaded): Update.
	(glthread_recursive_lock_destroy_multithreaded): Update.
	(glthread_lock_init_func): Update.
	(glthread_lock_lock_func): Update.
	(glthread_lock_unlock_func): Update.
	(glthread_lock_destroy_func): Update.
	(gl_waitqueue_t): Update.
	(gl_waitqueue_init): Update.
	(gl_waitqueue_add): Update.
	(gl_waitqueue_notify_first): Update.
	(gl_waitqueue_notify_all): Update.
	(glthread_rwlock_init_func): Update.
	(glthread_rwlock_rdlock_func): Update.
	(glthread_rwlock_wrlock_func): Update.
	(glthread_rwlock_unlock_func): Update.
	(glthread_rwlock_destroy_func): Update.
	(glthread_recursive_lock_init_func): Update.
	(glthread_recursive_lock_lock_func): Update.
	(glthread_recursive_lock_unlock_func): Update.
	(glthread_recursive_lock_destroy_func): Update.
	(glthread_once_func): Update.
	* import/glthread/lock.h (c11_threads_in_use): Update.
	(pthread_in_use): Update.
	(gl_rwlock_initializer): Update.
	(glthread_rwlock_init): Update.
	(glthread_rwlock_init_for_glibc): Update.
	(pth_in_use): Update.
	(gl_lock_define): Update.
	(gl_lock_define_initialized): Update.
	(gl_lock_initializer): Update.
	(glthread_lock_init): Update.
	(glthread_lock_lock): Update.
	(glthread_lock_unlock): Update.
	(glthread_lock_destroy): Update.
	(gl_rwlock_define): Update.
	(gl_rwlock_define_initialized): Update.
	(glthread_rwlock_rdlock): Update.
	(glthread_rwlock_wrlock): Update.
	(glthread_rwlock_unlock): Update.
	(glthread_rwlock_destroy): Update.
	(gl_recursive_lock_define): Update.
	(gl_recursive_lock_define_initialized): Update.
	(gl_recursive_lock_initializer): Update.
	(glthread_recursive_lock_init): Update.
	(glthread_recursive_lock_lock): Update.
	(glthread_recursive_lock_unlock): Update.
	(glthread_recursive_lock_destroy): Update.
	(gl_once_define): Update.
	(glthread_once): Update.
	(glthread_once_multithreaded): Update.
	(glthread_once_singlethreaded): Update.
	(thread_in_use): Update.
	(glthread_recursive_lock_init_multithreaded): Update.
	(glthread_recursive_lock_lock_multithreaded): Update.
	(glthread_recursive_lock_unlock_multithreaded): Update.
	(glthread_recursive_lock_destroy_multithreaded): Update.
	(glthread_lock_init_func): Update.
	(glthread_lock_lock_func): Update.
	(glthread_lock_unlock_func): Update.
	(glthread_lock_destroy_func): Update.
	(glthread_rwlock_init_func): Update.
	(glthread_rwlock_rdlock_func): Update.
	(glthread_rwlock_wrlock_func): Update.
	(glthread_rwlock_unlock_func): Update.
	(glthread_rwlock_destroy_func): Update.
	(glthread_recursive_lock_init_func): Update.
	(glthread_recursive_lock_lock_func): Update.
	(glthread_recursive_lock_unlock_func): Update.
	(glthread_recursive_lock_destroy_func): Update.
	(glthread_once_func): Update.
	* import/glthread/threadlib.c: Update.
	* import/hard-locale.c: Update.
	* import/hard-locale.h: Update.
	* import/inet_ntop.c: Update.
	* import/intprops.h (__has_builtin): Update.
	(_GL_INT_CONVERT): Update.
	(_GL_INT_NEGATE_CONVERT): Update.
	(verify): Update.
	(_GL_HAS_BUILTIN_OVERFLOW): Update.
	(_GL_HAS_BUILTIN_ADD_OVERFLOW): Update.
	(_GL_HAS_BUILTIN_OVERFLOW_P): Update.
	(_GL_HAS_BUILTIN_MUL_OVERFLOW): Update.
	(_GL_BINARY_OP_OVERFLOW): Update.
	(INT_ADD_WRAPV): Update.
	(INT_SUBTRACT_WRAPV): Update.
	(INT_MULTIPLY_WRAPV): Update.
	(_GL_INT_OP_WRAPV): Update.
	(_GL_INT_OP_WRAPV_SMALLISH): Update.
	(_GL_INT_OP_WRAPV_LONGISH): Update.
	(_GL_INT_OP_CALC): Update.
	(_GL_INT_OP_CALC1): Update.
	(_GL_INT_OP_WRAPV_VIA_UNSIGNED): Update.
	(_GL_INT_ADD_RANGE_OVERFLOW): Update.
	(_GL_INT_SUBTRACT_RANGE_OVERFLOW): Update.
	(_GL_INT_MULTIPLY_RANGE_OVERFLOW): Update.
	* import/inttypes.in.h (if): Update.
	* import/isnan.c: Update.
	* import/isnand-nolibm.h: Update.
	* import/isnand.c: Update.
	* import/isnanl-nolibm.h: Update.
	* import/isnanl.c: Update.
	* import/itold.c: Update.
	* import/libc-config.h: New file.
	* import/limits.in.h (LLONG_MIN): Update.
	(LLONG_MAX): Update.
	(ULLONG_MAX): Update.
	(WORD_BIT): Update.
	(LONG_BIT): Update.
	* import/localcharset.c (setlocale): Update.
	(relocate): Update.
	(O_NOFOLLOW): Update.
	(ISSLASH): Update.
	(DIRECTORY_SEPARATOR): Update.
	(getc): Update.
	(volatile): Update.
	(get_charset_aliases): Update.
	(struct table_entry): Update.
	(alias_table_defined): Update.
	(locale_table_defined): Update.
	(locale_charset): Update.
	(if): Update.
	* import/localcharset.h: Update.
	* import/localtime-buffer.c: New file.
	* import/localtime-buffer.h: New file.
	* import/lstat.c (rpl_lstat): Update.
	* import/m4/00gnulib.m4: Update.
	* import/m4/__inline.m4: New file.
	* import/m4/absolute-header.m4: Update.
	* import/m4/alloca.m4: Update.
	* import/m4/arpa_inet_h.m4: Update.
	* import/m4/builtin-expect.m4: New file.
	* import/m4/canonicalize.m4: Update.
	* import/m4/chdir-long.m4: Update.
	* import/m4/close.m4: Update.
	* import/m4/closedir.m4: Update.
	* import/m4/codeset.m4: Update.
	* import/m4/configmake.m4: Remove.
	* import/m4/d-ino.m4: Update.
	* import/m4/d-type.m4: Update.
	* import/m4/dirent_h.m4: Update.
	* import/m4/dirfd.m4: Update.
	* import/m4/dirname.m4: Update.
	* import/m4/double-slash-root.m4: Update.
	* import/m4/dup.m4: Update.
	* import/m4/dup2.m4: Update.
	* import/m4/eealloc.m4: Update.
	* import/m4/environ.m4: Update.
	* import/m4/errno_h.m4: Update.
	* import/m4/error.m4: Update.
	* import/m4/exponentd.m4: Update.
	* import/m4/exponentl.m4: Update.
	* import/m4/extensions.m4: Update.
	* import/m4/extern-inline.m4: Update.
	* import/m4/fchdir.m4: Update.
	* import/m4/fcntl-o.m4: Update.
	* import/m4/fcntl.m4: Update.
	* import/m4/fcntl_h.m4: Update.
	* import/m4/fdopendir.m4: Update.
	* import/m4/filenamecat.m4: Update.
	* import/m4/flexmember.m4: Update.
	* import/m4/float_h.m4: Update.
	* import/m4/fnmatch.m4: Update.
	* import/m4/fnmatch_h.m4: New file.
	* import/m4/fpieee.m4: Update.
	* import/m4/frexp.m4: Update.
	* import/m4/frexpl.m4: Update.
	* import/m4/fstat.m4: Update.
	* import/m4/fstatat.m4: Update.
	* import/m4/getcwd-abort-bug.m4: Update.
	* import/m4/getcwd-path-max.m4: Update.
	* import/m4/getcwd.m4: Update.
	* import/m4/getdtablesize.m4: Update.
	* import/m4/getlogin.m4: New file.
	* import/m4/getlogin_r.m4: Update.
	* import/m4/getpagesize.m4: New file.
	* import/m4/getprogname.m4: Update.
	* import/m4/gettimeofday.m4: Update.
	* import/m4/glibc21.m4: Remove.
	* import/m4/glob.m4: Update.
	* import/m4/glob_h.m4: New file.
	* import/m4/gnulib-cache.m4: Update.
	* import/m4/gnulib-common.m4: Update.
	* import/m4/gnulib-comp.m4: Update.
	* import/m4/gnulib-tool.m4: Update.
	* import/m4/hard-locale.m4: Remove.
	* import/m4/host-cpu-c-abi.m4: New file.
	* import/m4/include_next.m4: Update.
	* import/m4/inet_ntop.m4: Update.
	* import/m4/inttypes-pri.m4: Update.
	* import/m4/inttypes.m4: Update.
	* import/m4/isnand.m4: Update.
	* import/m4/isnanl.m4: Update.
	* import/m4/largefile.m4: Update.
	* import/m4/lib-ld.m4: Update.
	* import/m4/lib-link.m4: Update.
	* import/m4/lib-prefix.m4: Update.
	* import/m4/limits-h.m4: Update.
	* import/m4/localcharset.m4: Update.
	* import/m4/locale-fr.m4: Update.
	* import/m4/locale-ja.m4: Update.
	* import/m4/locale-zh.m4: Update.
	* import/m4/localtime-buffer.m4: New file.
	* import/m4/lock.m4: Update.
	* import/m4/longlong.m4: Update.
	* import/m4/lstat.m4: Update.
	* import/m4/malloc.m4: Update.
	* import/m4/malloca.m4: Update.
	* import/m4/math_h.m4: Update.
	* import/m4/mbrtowc.m4: Update.
	* import/m4/mbsinit.m4: Update.
	* import/m4/mbsrtowcs.m4: Update.
	* import/m4/mbstate_t.m4: Update.
	* import/m4/memchr.m4: Update.
	* import/m4/memmem.m4: Update.
	* import/m4/mempcpy.m4: Update.
	* import/m4/memrchr.m4: Update.
	* import/m4/mkdir.m4: Update.
	* import/m4/mkdtemp.m4: Update.
	* import/m4/mkostemp.m4: Update.
	* import/m4/mmap-anon.m4: Update.
	* import/m4/mode_t.m4: Update.
	* import/m4/msvc-inval.m4: Update.
	* import/m4/msvc-nothrow.m4: Update.
	* import/m4/multiarch.m4: Update.
	* import/m4/netinet_in_h.m4: Update.
	* import/m4/nocrash.m4: Update.
	* import/m4/off_t.m4: Update.
	* import/m4/onceonly.m4: Remove.
	* import/m4/open-cloexec.m4: New file.
	* import/m4/open-slash.m4: New file.
	* import/m4/open.m4: Update.
	* import/m4/openat.m4: Update.
	* import/m4/opendir.m4: Update.
	* import/m4/pathmax.m4: Update.
	* import/m4/pthread_rwlock_rdlock.m4: New file.
	* import/m4/rawmemchr.m4: Update.
	* import/m4/readdir.m4: Update.
	* import/m4/readlink.m4: Update.
	* import/m4/realloc.m4: Update.
	* import/m4/rename.m4: Update.
	* import/m4/rewinddir.m4: Update.
	* import/m4/rmdir.m4: Update.
	* import/m4/save-cwd.m4: Update.
	* import/m4/secure_getenv.m4: Remove.
	* import/m4/setenv.m4: Update.
	* import/m4/signal_h.m4: Update.
	* import/m4/socklen.m4: Update.
	* import/m4/sockpfaf.m4: Update.
	* import/m4/ssize_t.m4: Update.
	* import/m4/stat-time.m4: New file.
	* import/m4/stat.m4: Update.
	* import/m4/std-gnu11.m4: New file.
	* import/m4/stdalign.m4: Update.
	* import/m4/stdbool.m4: Update.
	* import/m4/stddef_h.m4: Update.
	* import/m4/stdint.m4: Update.
	* import/m4/stdio_h.m4: Update.
	* import/m4/stdlib_h.m4: Update.
	* import/m4/strchrnul.m4: Update.
	* import/m4/strdup.m4: Update.
	* import/m4/strerror.m4: Update.
	* import/m4/strerror_r.m4: Update.
	* import/m4/string_h.m4: Update.
	* import/m4/strstr.m4: Update.
	* import/m4/strtok_r.m4: Update.
	* import/m4/sys_socket_h.m4: Update.
	* import/m4/sys_stat_h.m4: Update.
	* import/m4/sys_time_h.m4: Update.
	* import/m4/sys_types_h.m4: Update.
	* import/m4/sys_uio_h.m4: Update.
	* import/m4/tempname.m4: Update.
	* import/m4/threadlib.m4: Update.
	* import/m4/time_h.m4: Update.
	* import/m4/time_r.m4: Update.
	* import/m4/unistd-safer.m4: Update.
	* import/m4/unistd_h.m4: Update.
	* import/m4/warn-on-use.m4: Update.
	* import/m4/wchar_h.m4: Update.
	* import/m4/wchar_t.m4: Update.
	* import/m4/wctype_h.m4: Update.
	* import/m4/wint_t.m4: Update.
	* import/malloc.c: Update.
	* import/malloc/scratch_buffer.h: New file.
	* import/malloc/scratch_buffer_grow.c: New file.
	* import/malloc/scratch_buffer_grow_preserve.c: New file.
	* import/malloc/scratch_buffer_set_array_size.c: New file.
	* import/malloca.c (MAGIC_NUMBER): Update.
	(MAGIC_SIZE): Update.
	(struct preliminary_header): Update.
	(HEADER_SIZE): Update.
	(union header): Update.
	(verify): Update.
	(HASH_TABLE_SIZE): Update.
	(freea): Update.
	* import/malloca.h (malloca): Update.
	(nmalloca): Update.
	* import/malloca.valgrind: Remove.
	* import/math.in.h (_GL_MATH_CXX_REAL_FLOATING_DECL_2): Update.
	(func): Update.
	(rpl_func): Update.
	(f): Update.
	(d): Update.
	(l): Update.
	(_GL_WARN_ON_USE): Update.
	(_GL_WARN_ON_USE_ATTRIBUTE): Update.
	(FP_ILOGB0): Update.
	(FP_ILOGBNAN): Update.
	(acosf): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(asinf): Update.
	(atanf): Update.
	(atan2f): Update.
	(cosf): Update.
	(coshf): Update.
	(expf): Update.
	(expl): Update.
	(expm1l): Update.
	(ilogbl): Update.
	(rintl): Update.
	(sinf): Update.
	(sinhf): Update.
	(sqrtf): Update.
	(tanf): Update.
	(tanhf): Update.
	(isfinite): Update.
	(isinf): Update.
	(isnan): Update.
	(GNULIB_defined_signbit): Update.
	(signbit): Update.
	* import/mbrtowc.c (FALLTHROUGH): Update.
	(locale_enc): Update.
	(locale_enc_cached): Update.
	(gl_lock_define_initialized): Update.
	(mbrtowc): Update.
	* import/mbsinit.c (if): Update.
	(mbsinit): Update.
	* import/mbsrtowcs-impl.h: Update.
	* import/mbsrtowcs-state.c: Update.
	* import/mbsrtowcs.c: Update.
	* import/memchr.c: Update.
	* import/memchr.valgrind: Update.
	* import/memmem.c (__builtin_expect): Update.
	* import/mempcpy.c: Update.
	* import/memrchr.c (__memrchr): Update.
	* import/mkdir.c (if): Update.
	* import/mkdtemp.c: Update.
	* import/mkostemp.c: Update.
	* import/msvc-inval.c: Update.
	* import/msvc-inval.h: Update.
	* import/msvc-nothrow.c: Update.
	* import/msvc-nothrow.h (if): Update.
	* import/netinet_in.in.h: Update.
	* import/open.c (open): Update.
	(if): Update.
	* import/openat-die.c: Update.
	* import/openat-priv.h: Update.
	* import/openat-proc.c: Update.
	* import/openat.c (rpl_openat): Update.
	* import/openat.h: Update.
	* import/opendir.c: Update.
	* import/pathmax.h (if): Update.
	* import/pipe-safer.c: Update.
	* import/rawmemchr.c: Update.
	* import/rawmemchr.valgrind: Update.
	* import/readdir.c (readdir): Update.
	* import/readlink.c: Update.
	* import/realloc.c: Update.
	* import/ref-add.sin: Remove.
	* import/ref-del.sin: Remove.
	* import/rename.c (if): Update.
	* import/rewinddir.c: Update.
	* import/rmdir.c: Update.
	* import/same-inode.h (SAME_INODE): Update.
	* import/save-cwd.c (save_cwd): Update.
	* import/save-cwd.h: Update.
	* import/scratch_buffer.h: New file.
	* import/secure_getenv.c: Remove.
	* import/setenv.c: Update.
	* import/signal.in.h: Update.
	* import/stat-time.c: New file.
	* import/stat-time.h: New file.
	* import/stat-w32.c: New file.
	* import/stat-w32.h: New file.
	* import/stat.c (if): Update.
	(stat): Update.
	(REPLACE_FUNC_STAT_DIR): Update.
	(WINDOWS_NATIVE): Update.
	(WIN32_LEAN_AND_MEAN): Update.
	(is_unc_root): Update.
	(rpl_stat): Update.
	* import/stdalign.in.h (elif): Update.
	* import/stdbool.in.h: Update.
	* import/stddef.in.h (_GL_STDDEF_ALIGNAS): Update.
	(max_align_t): Update.
	(GNULIB_defined_max_align_t): Update.
	* import/stdint.in.h (WINT_MIN): Update.
	(WINT_MAX): Update.
	(_STDINT_MIN): Update.
	(_STDINT_UNSIGNED_MIN): Update.
	(_STDINT_SIGNED_MIN): Update.
	(PTRDIFF_MIN): Update.
	(SIG_ATOMIC_MIN): Update.
	(WCHAR_MIN): Update.
	* import/stdio.in.h (if): Update.
	* import/stdlib.in.h (if): Update.
	(_GL_WARN_ON_USE): Update.
	(_GL_FUNCDECL_SYS): Update.
	(random): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(srandom): Update.
	(initstate): Update.
	(setstate): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(GNULIB_defined_strtod_function): Update.
	(strtold): Update.
	(GNULIB_defined_strtold_function): Update.
	* import/str-two-way.h: Update.
	* import/strchrnul.c: Update.
	* import/strchrnul.valgrind: Update.
	* import/strdup.c: Update.
	* import/streq.h: Update.
	* import/strerror-override.c: Update.
	* import/strerror-override.h: Update.
	* import/strerror.c (strerror): Update.
	* import/strerror_r.c (safe_copy): Update.
	* import/string.in.h (_GL_FUNCDECL_SYS): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(_GL_WARN_ON_USE): Update.
	* import/stripslash.c: Update.
	* import/strnlen1.c: Update.
	* import/strnlen1.h: Update.
	* import/strstr.c (__builtin_expect): Update.
	* import/strtok_r.c: Update.
	* import/sys_socket.in.h (CMSG_SPACE): Update.
	(CMSG_LEN): Update.
	(struct sockaddr_storage): Update.
	(SO_REUSEPORT): Update.
	(_GL_WARN_ON_USE): Update.
	* import/sys_stat.in.h (if): Update.
	(stat): Update.
	(struct stat): Update.
	(st_atime): Update.
	(st_mtime): Update.
	(st_ctime): Update.
	(_GL_WINDOWS_STAT_TIMESPEC): Update.
	(GNULIB_defined_struct_stat): Update.
	(_S_IFBLK): Update.
	(_S_IFLNK): Update.
	(_S_IFSOCK): Update.
	(fstat): Update.
	(fstatat): Update.
	(lstat): Update.
	(stat64): Update.
	(_stat64): Update.
	(_stat32i64): Update.
	(_stati64): Update.
	(_stat32): Update.
	(_stat64i32): Update.
	* import/sys_time.in.h: Update.
	* import/sys_types.in.h (dev_t): Update.
	(GNULIB_defined_dev_t): Update.
	(ino_t): Update.
	(GNULIB_defined_ino_t): Update.
	(_GL_WINDOWS_STAT_INODES): Update.
	(if): Update.
	* import/sys_uio.in.h: Update.
	* import/tempname.c (__secure_getenv): Update.
	(try_nocreate): Update.
	* import/tempname.h: Update.
	* import/time.in.h (tzset): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_FUNCDECL_SYS): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(ctime): Update.
	(strftime): Update.
	* import/time_r.c: Update.
	* import/unistd--.h: Update.
	* import/unistd-safer.h: Update.
	* import/unistd.in.h (if): Update.
	(elif): Update.
	(__need_getopt): Update.
	(access): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(_GL_WARN_ON_USE): Update.
	(_GL_FUNCDECL_SYS): Update.
	(__declspec): Update.
	(_GL_WARN_ON_USE_ATTRIBUTE): Update.
	(faccessat): Update.
	(getpass): Update.
	(truncate): Update.
	* import/unsetenv.c: Update.
	* import/verify.h (if): Update.
	(_GL_HAVE__STATIC_ASSERT): Update.
	(_GL_HAVE_STATIC_ASSERT): Update.
	(_GL_HAVE__STATIC_ASSERT1): Update.
	(_GL_HAVE_STATIC_ASSERT1): Update.
	(_GL_VERIFY): Update.
	(_Static_assert): Update.
	(_GL_HAS_BUILTIN_TRAP): Update.
	(_GL_HAS_BUILTIN_UNREACHABLE): Update.
	(verify_true): Update.
	(verify): Update.
	(__has_builtin): Update.
	(elif): Update.
	(assume): Update.
	* import/warn-on-use.h: Rename from import/extra/snippet/warn-on-use.h.
	* import/wchar.in.h (if): Update.
	(wcsftime): Update.
	(_GL_FUNCDECL_RPL): Update.
	(_GL_CXXALIAS_RPL): Update.
	(_GL_FUNCDECL_SYS): Update.
	(_GL_CXXALIAS_SYS): Update.
	(_GL_CXXALIASWARN): Update.
	(_GL_WARN_ON_USE): Update.
	* import/wctype.in.h (rpl_iswalnum): Update.
	(rpl_iswalpha): Update.
	(rpl_iswblank): Update.
	(rpl_iswcntrl): Update.
	(rpl_iswdigit): Update.
	(rpl_iswgraph): Update.
	(rpl_iswlower): Update.
	(rpl_iswprint): Update.
	(rpl_iswpunct): Update.
	(rpl_iswspace): Update.
	(rpl_iswupper): Update.
	(rpl_iswxdigit): Update.
	(rpl_towlower): Update.
	(rpl_towupper): Update.
	(iswalnum): Update.
	(iswalpha): Update.
	(iswblank): Update.
	(iswcntrl): Update.
	(iswdigit): Update.
	(iswgraph): Update.
	(iswlower): Update.
	(iswprint): Update.
	(iswpunct): Update.
	(iswspace): Update.
	(iswupper): Update.
	(iswxdigit): Update.
	(towlower): Update.
	(towupper): Update.
	* import/windows-initguard.h: New file.
	* import/windows-mutex.c: New file.
	* import/windows-mutex.h: New file.
	* import/windows-once.c: New file.
	* import/windows-once.h: New file.
	* import/windows-recmutex.c: New file.
	* import/windows-recmutex.h: New file.
	* import/windows-rwlock.c: New file.
	* import/windows-rwlock.h: New file.
	* import/xalloc-oversized.h: New file.
	* patches/0001-Fix-PR-gdb-23558-Use-system-s-getcwd-when-cross-comp.patch: Remove.
	* patches/0002-mkostemp-mkostemps-Fix-compilation-error-in-C-mode-o.patch: Remove.
	* patches/0003-Fix-glob-c-Coverity-issues.patch: Remove.
	* update-gnulib.sh: Update to latest gnulib and don't apply patches
	anymore.  Also updates the patch -p flag to the current directory structure in
	case patches are needed again in the future.

Change-Id: I9c2b07a3046baecfb664e21b2644353ea888dbfa
 2019-12-16 12:20:50 -06:00
Tom Tromey e176f82170 Add no-dist to gnulib configure 
This adds the no-dist option to the gnulib configure script.  gdb
doesn't use "make dist", so there's no need for this.  Adding this
option makes the Makefiles less verbose.

gnulib/ChangeLog
2019-11-15  Tom Tromey  <tromey@adacore.com>

	* aclocal.m4, configure, Makefile.in, import/Makefile.in:
	Rebuild.
	* configure.ac: Remove obsolete comment.  Add no-dist.

Change-Id: I5224e18af9acd5284acb79d5756b0e84b00406e9
 2019-11-15 13:48:27 -07:00
Christian Biesinger f8e27d88e4 Import the time_r gnulib module 
This allows GDB to use localtime_r unconditionally.

See https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00022.html
for details on the compile error mentioned below.

gdb/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* gdbsupport/common-defs.h: Include time.h before pathmax.h to
	avoid compile errors.

gnulib/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* import/Makefile.am: Update.
	* import/Makefile.in: Regenerate.
	* import/m4/gnulib-cache.m4: Update.
	* import/m4/gnulib-comp.m4: Update.
	* import/m4/time_r.m4: New file.
	* import/time_r.c: New file.
	* update-gnulib.sh: Import time_r.

Change-Id: I53fc861b192940d613ca97f2910b4533c730f667
 2019-11-15 11:48:08 -08:00
Christian Biesinger 5abebf3c3f Import the strerror_r-posix module and use it in GDB. 
Makes sure to assign the return value of strerror_r to an int,
so that we get a compile error if we accidentally get the
wrong version.

gdb/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* config.in: Regenerate.
	* configure: Regenerate.
	* gdbsupport/common.m4: No longer check for strerror_r.
	* gdbsupport/posix-strerror.c (safe_strerror): Always call the
	POSIX version of strerror_r, now that gnulib provides it if
	necessary.

gdb/gdbserver/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* config.in: Regenerate.
	* configure: Regenerate.

gnulib/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* import/Makefile.am: Update.
	* import/Makefile.in: Regenerate.
	* import/extra/config.rpath: New file.
	* import/glthread/lock.c: New file.
	* import/glthread/lock.h: New file.
	* import/glthread/threadlib.c: New file.
	* import/m4/gnulib-cache.m4: Update.
	* import/m4/gnulib-comp.m4: Update.
	* import/m4/lib-ld.m4: New file.
	* import/m4/lib-link.m4: New file.
	* import/m4/lib-prefix.m4: New file.
	* import/m4/lock.m4: New file.
	* import/m4/strerror_r.m4: New file.
	* import/m4/threadlib.m4: New file.
	* import/strerror_r.c: New file.
	* update-gnulib.sh: Import strerror_r-posix.

Change-Id: I5cfeb12a5203a4cd94a78581541e6085a68685c3
 2019-11-15 11:12:24 -08:00
Christian Biesinger 33bd0102c1 Generate gnulib's toplevel Makefile.in using automake 
This is a lot simpler and as a side-effect this will correctly
regenerate import/Makefile and config.h during rebuilds if
necessary.

gnulib/ChangeLog:

2019-11-15  Christian Biesinger  <cbiesinger@google.com>

	* Makefile.am: New file.
	* Makefile.in: Replace with generated file.
	* aclocal-m4-deps.mk: Remove.
	* configure.ac: Use the foreign option for automake and specify
	the aclocal search path here.
	* update-gnulib.sh: Don't generate aclocal-m4-deps.mk anymore.
	Also don't specify the aclocal include path here, now that it
	is in configure.ac.

Change-Id: I6a2c4d41cf4f0e21d5c813197bad63ed5c08e408
 2019-11-15 11:00:39 -08:00
Christian Biesinger 17298d65f0 gnulib: Fix path to import/Makefile{,.in} 
I don't know why this path is what it is but it is clearly wrong.

gnulib/ChangeLog:

2019-11-12  Christian Biesinger  <cbiesinger@google.com>

	* Makefile.in: Fix path to say import/ instead of gnulib/.

Change-Id: Ib7f6a319ee764d20072e38911766ca7032d6ca8e
 2019-11-12 21:24:12 -06:00
Tom Tromey 73cc72729a Move gnulib to top level 
This patch moves the gdb/gnulib subdirectory to the top level.

It adjusts the top-level build system to build gnulib when necessary,
and changes gdb to use this.  However, gdbserver still builds its own
copy of gnulib, just from the new source location.

A small hack was needed to ensure that gnulib is only built when gdb
is enabled.  The Makefile only provides an ordering -- the directory
must be mentioned in configdirs to actually be compiled at all.

Most of the patch is just a "git mv" of gnulib, though a few minor
path adjustments were needed in some files there.

Tested by the buildbot.

ChangeLog
2019-06-14  Tom Tromey  <tom@tromey.com>

	* MAINTAINERS: Add gnulib.
	* gnulib: New directory, move from gdb/gnulib.
	* configure.ac (host_libs): Add gnulib.
	* configure: Rebuild.
	* Makefile.def (host_modules, dependencies): Add gnulib.
	* Makefile.in: Rebuild.

gdb/ChangeLog
2019-06-14  Tom Tromey  <tom@tromey.com>

	* gnulib: Move directory to top-level.
	* configure.ac: Don't configure gnulib.
	* configure: Rebuild.
	* common/common-defs.h: Use new path to gnulib.
	* Makefile.in (GNULIB_BUILDDIR): Now ../gnulib.
	(GNULIB_H): Remove.
	(INCGNU): Look in new gnulib location.
	(HFILES_NO_SRCDIR): Remove gnulib files.
	(SUBDIR, REQUIRED_SUBDIRS): Remove gnulib.
	(generated_files): Remove GNULIB_H.
	($(LIBGNU), all-lib): Remove targets.
	(distclean): Don't mention GNULIB_BUILDDIR.
	($(GNULIB_BUILDDIR)/Makefile): Remove target.

gdb/gdbserver/ChangeLog
2019-06-14  Tom Tromey  <tom@tromey.com>

	* configure.ac: Use new path to gnulib.
	* configure: Rebuild.
	* Makefile.in (INCGNU, $(GNULIB_BUILDDIR)/Makefile): Use new path
	to gnulib.

gnulib/ChangeLog
2019-06-14  Tom Tromey  <tom@tromey.com>

	* update-gnulib.sh: Adjust paths.
	* Makefile.in: Adjust paths.
	* configure.ac: Adjust paths.  Use ACX_LARGEFILE.
	* configure: Rebuild.
 2019-06-14 12:40:02 -06:00