+2018-02-28 Sergio Durigan Junior <sergiodj@redhat.com>
+
+ * Makefile.in (COMMON_SFILES): Add "common/pathstuff.c".
+ (HFILES_NO_SRCDIR): Add "common/pathstuff.h".
+ * auto-load.c: Include "common/pathstuff.h".
+ * common/common-def.h (current_directory): Move here.
+ * common/gdb_tilde_expand.c (gdb_tilde_expand_up): New
+ function.
+ * common/gdb_tilde_expand.h (gdb_tilde_expand_up): New
+ prototype.
+ * common/pathstuff.c: New file.
+ * common/pathstuff.h: New file.
+ * compile/compile.c: Include "common/pathstuff.h".
+ * defs.h (current_directory): Move to "common/common-defs.h".
+ * dwarf2read.c: Include "common/pathstuff.h".
+ * exec.c: Likewise.
+ * guile/scm-safe-call.c: Likewise.
+ * linux-thread-db.c: Likewise.
+ * main.c: Likewise.
+ * nto-tdep.c: Likewise.
+ * objfiles.c: Likewise.
+ * source.c: Likewise.
+ * symtab.c: Likewise.
+ * utils.c: Include "common/pathstuff.h".
+ (gdb_realpath): Move to "common/pathstuff.c".
+ (gdb_realpath_keepfile): Likewise.
+ (gdb_abspath): Likewise.
+ * utils.h (gdb_realpath): Move to "common/pathstuff.h".
+ (gdb_realpath_keepfile): Likewise.
+ (gdb_abspath): Likewise.
+
2018-02-28 John Baldwin <jhb@FreeBSD.org>
* fbsd-nat.c (fbsd_resume): Use PT_SETSTEP for stepping and a
common/gdb_tilde_expand.c \
common/gdb_vecs.c \
common/new-op.c \
+ common/pathstuff.c \
common/print-utils.c \
common/ptid.c \
common/rsp-low.c \
common/gdb_wait.h \
common/common-inferior.h \
common/host-defs.h \
+ common/pathstuff.h \
common/print-utils.h \
common/ptid.h \
common/queue.h \
#include "extension.h"
#include "gdb/section-scripts.h"
#include <algorithm>
+#include "common/pathstuff.h"
/* The section to look in for auto-loaded scripts (in file formats that
support sections).
/* Pull in gdb::unique_xmalloc_ptr. */
#include "common/gdb_unique_ptr.h"
+/* String containing the current directory (what getwd would return). */
+extern char *current_directory;
+
#endif /* COMMON_DEFS_H */
return expanded_dir;
}
+
+/* See common/gdb_tilde_expand.h. */
+
+gdb::unique_xmalloc_ptr<char>
+gdb_tilde_expand_up (const char *dir)
+{
+ gdb_glob glob (dir, GLOB_TILDE_CHECK, NULL);
+
+ gdb_assert (glob.pathc () > 0);
+ /* "glob" may return more than one match to the path provided by the
+ user, but we are only interested in the first match. */
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (glob.pathv ()[0]));
+}
the full path. */
extern std::string gdb_tilde_expand (const char *dir);
+/* Same as GDB_TILDE_EXPAND, but return the full path as a
+ gdb::unique_xmalloc_ptr<char>. */
+extern gdb::unique_xmalloc_ptr<char> gdb_tilde_expand_up (const char *dir);
+
#endif /* ! GDB_TILDE_EXPAND_H */
--- /dev/null
+/* Path manipulation routines for GDB and gdbserver.
+
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include "common-defs.h"
+#include "pathstuff.h"
+#include "host-defs.h"
+#include "filenames.h"
+#include "gdb_tilde_expand.h"
+
+/* See common/pathstuff.h. */
+
+gdb::unique_xmalloc_ptr<char>
+gdb_realpath (const char *filename)
+{
+/* On most hosts, we rely on canonicalize_file_name to compute
+ the FILENAME's realpath.
+
+ But the situation is slightly more complex on Windows, due to some
+ versions of GCC which were reported to generate paths where
+ backlashes (the directory separator) were doubled. For instance:
+ c:\\some\\double\\slashes\\dir
+ ... instead of ...
+ c:\some\double\slashes\dir
+ Those double-slashes were getting in the way when comparing paths,
+ for instance when trying to insert a breakpoint as follow:
+ (gdb) b c:/some/double/slashes/dir/foo.c:4
+ No source file named c:/some/double/slashes/dir/foo.c:4.
+ (gdb) b c:\some\double\slashes\dir\foo.c:4
+ No source file named c:\some\double\slashes\dir\foo.c:4.
+ To prevent this from happening, we need this function to always
+ strip those extra backslashes. While canonicalize_file_name does
+ perform this simplification, it only works when the path is valid.
+ Since the simplification would be useful even if the path is not
+ valid (one can always set a breakpoint on a file, even if the file
+ does not exist locally), we rely instead on GetFullPathName to
+ perform the canonicalization. */
+
+#if defined (_WIN32)
+ {
+ char buf[MAX_PATH];
+ DWORD len = GetFullPathName (filename, MAX_PATH, buf, NULL);
+
+ /* The file system is case-insensitive but case-preserving.
+ So it is important we do not lowercase the path. Otherwise,
+ we might not be able to display the original casing in a given
+ path. */
+ if (len > 0 && len < MAX_PATH)
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (buf));
+ }
+#else
+ {
+ char *rp = canonicalize_file_name (filename);
+
+ if (rp != NULL)
+ return gdb::unique_xmalloc_ptr<char> (rp);
+ }
+#endif
+
+ /* This system is a lost cause, just dup the buffer. */
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (filename));
+}
+
+/* See common/pathstuff.h. */
+
+gdb::unique_xmalloc_ptr<char>
+gdb_realpath_keepfile (const char *filename)
+{
+ const char *base_name = lbasename (filename);
+ char *dir_name;
+ char *result;
+
+ /* Extract the basename of filename, and return immediately
+ a copy of filename if it does not contain any directory prefix. */
+ if (base_name == filename)
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (filename));
+
+ dir_name = (char *) alloca ((size_t) (base_name - filename + 2));
+ /* Allocate enough space to store the dir_name + plus one extra
+ character sometimes needed under Windows (see below), and
+ then the closing \000 character. */
+ strncpy (dir_name, filename, base_name - filename);
+ dir_name[base_name - filename] = '\000';
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ /* We need to be careful when filename is of the form 'd:foo', which
+ is equivalent of d:./foo, which is totally different from d:/foo. */
+ if (strlen (dir_name) == 2 && isalpha (dir_name[0]) && dir_name[1] == ':')
+ {
+ dir_name[2] = '.';
+ dir_name[3] = '\000';
+ }
+#endif
+
+ /* Canonicalize the directory prefix, and build the resulting
+ filename. If the dirname realpath already contains an ending
+ directory separator, avoid doubling it. */
+ gdb::unique_xmalloc_ptr<char> path_storage = gdb_realpath (dir_name);
+ const char *real_path = path_storage.get ();
+ if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
+ result = concat (real_path, base_name, (char *) NULL);
+ else
+ result = concat (real_path, SLASH_STRING, base_name, (char *) NULL);
+
+ return gdb::unique_xmalloc_ptr<char> (result);
+}
+
+/* See common/pathstuff.h. */
+
+gdb::unique_xmalloc_ptr<char>
+gdb_abspath (const char *path)
+{
+ gdb_assert (path != NULL && path[0] != '\0');
+
+ if (path[0] == '~')
+ return gdb_tilde_expand_up (path);
+
+ if (IS_ABSOLUTE_PATH (path))
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (path));
+
+ /* Beware the // my son, the Emacs barfs, the botch that catch... */
+ return gdb::unique_xmalloc_ptr<char>
+ (concat (current_directory,
+ IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])
+ ? "" : SLASH_STRING,
+ path, (char *) NULL));
+}
--- /dev/null
+/* Path manipulation routines for GDB and gdbserver.
+
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef PATHSTUFF_H
+#define PATHSTUFF_H
+
+/* Path utilities. */
+
+/* Return the real path of FILENAME, expanding all the symbolic links.
+
+ Contrary to "gdb_abspath", this function does not use
+ CURRENT_DIRECTORY for path expansion. Instead, it relies on the
+ current working directory (CWD) of GDB or gdbserver. */
+
+extern gdb::unique_xmalloc_ptr<char> gdb_realpath (const char *filename);
+
+/* Return a copy of FILENAME, with its directory prefix canonicalized
+ by gdb_realpath. */
+
+extern gdb::unique_xmalloc_ptr<char>
+ gdb_realpath_keepfile (const char *filename);
+
+/* Return PATH in absolute form, performing tilde-expansion if necessary.
+ PATH cannot be NULL or the empty string.
+ This does not resolve symlinks however, use gdb_realpath for that.
+
+ Contrary to "gdb_realpath", this function uses CURRENT_DIRECTORY
+ for the path expansion. This may lead to scenarios the current
+ working directory (CWD) is different than CURRENT_DIRECTORY. */
+
+extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *path);
+
+#endif /* PATHSTUFF_H */
#include "valprint.h"
#include "common/gdb_optional.h"
#include "common/gdb_unlinker.h"
+#include "common/pathstuff.h"
\f
IP_ALL
};
-/* * String containing the current directory (what getwd would return). */
-
-extern char *current_directory;
-
/* * Default radixes for input and output. Only some values supported. */
extern unsigned input_radix;
extern unsigned output_radix;
#include <set>
#include <forward_list>
#include "rust-lang.h"
+#include "common/pathstuff.h"
/* When == 1, print basic high level tracing messages.
When > 1, be more verbose.
#include <sys/stat.h>
#include "solist.h"
#include <algorithm>
+#include "common/pathstuff.h"
void (*deprecated_file_changed_hook) (const char *);
+2018-02-28 Sergio Durigan Junior <sergiodj@redhat.com>
+
+ * Makefile.in (SFILES): Add "$(srcdir)/common/pathstuff.c".
+ (OBJS): Add "pathstuff.o".
+ * server.c (current_directory): New global variable.
+ (captured_main): Initialize "current_directory".
+
2018-02-26 Alan Hayward <alan.hayward@arm.com>
* tdesc.c: Use common/tdesc.h.
$(srcdir)/common/gdb_tilde_expand.c \
$(srcdir)/common/gdb_vecs.c \
$(srcdir)/common/new-op.c \
+ $(srcdir)/common/pathstuff.c \
$(srcdir)/common/print-utils.c \
$(srcdir)/common/ptid.c \
$(srcdir)/common/rsp-low.c \
common/gdb_tilde_expand.o \
common/gdb_vecs.o \
common/new-op.o \
+ common/pathstuff.o \
common/print-utils.o \
common/ptid.o \
common/rsp-low.o \
break; \
}
+/* String containing the current directory (what getwd would return). */
+
+char *current_directory;
+
/* The environment to pass to the inferior when creating it. */
static gdb_environ our_environ;
const char *selftest_filter = NULL;
#endif
+ current_directory = getcwd (NULL, 0);
+ if (current_directory == NULL)
+ {
+ error (_("%s: error finding working directory"),
+ safe_strerror (errno));
+ }
+
while (*next_arg != NULL && **next_arg == '-')
{
if (strcmp (*next_arg, "--version") == 0)
#include "defs.h"
#include "filenames.h"
#include "guile-internal.h"
+#include "common/pathstuff.h"
/* Struct to marshall args to scscm_safe_call_body. */
#include <ctype.h>
#include "nat/linux-namespaces.h"
#include <algorithm>
+#include "common/pathstuff.h"
/* GNU/Linux libthread_db support.
#include "infrun.h"
#include "signals-state-save-restore.h"
#include <vector>
+#include "common/pathstuff.h"
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
#include "gdbcore.h"
#include "objfiles.h"
#include "source.h"
+#include "common/pathstuff.h"
#define QNX_NOTE_NAME "QNX"
#define QNX_INFO_SECT_NAME "QNX_info"
#include "solist.h"
#include "gdb_bfd.h"
#include "btrace.h"
+#include "common/pathstuff.h"
#include <vector>
#include "readline/readline.h"
#include "common/enum-flags.h"
#include <algorithm>
+#include "common/pathstuff.h"
#define OPEN_MODE (O_RDONLY | O_BINARY)
#define FDOPEN_MODE FOPEN_RB
#include "filename-seen-cache.h"
#include "arch-utils.h"
#include <algorithm>
+#include "common/pathstuff.h"
/* Forward declarations for local functions. */
#include "common/gdb_optional.h"
#include "cp-support.h"
#include <algorithm>
+#include "common/pathstuff.h"
#if !HAVE_DECL_MALLOC
extern PTR malloc (); /* ARI: PTR */
return addr;
}
-gdb::unique_xmalloc_ptr<char>
-gdb_realpath (const char *filename)
-{
-/* On most hosts, we rely on canonicalize_file_name to compute
- the FILENAME's realpath.
-
- But the situation is slightly more complex on Windows, due to some
- versions of GCC which were reported to generate paths where
- backlashes (the directory separator) were doubled. For instance:
- c:\\some\\double\\slashes\\dir
- ... instead of ...
- c:\some\double\slashes\dir
- Those double-slashes were getting in the way when comparing paths,
- for instance when trying to insert a breakpoint as follow:
- (gdb) b c:/some/double/slashes/dir/foo.c:4
- No source file named c:/some/double/slashes/dir/foo.c:4.
- (gdb) b c:\some\double\slashes\dir\foo.c:4
- No source file named c:\some\double\slashes\dir\foo.c:4.
- To prevent this from happening, we need this function to always
- strip those extra backslashes. While canonicalize_file_name does
- perform this simplification, it only works when the path is valid.
- Since the simplification would be useful even if the path is not
- valid (one can always set a breakpoint on a file, even if the file
- does not exist locally), we rely instead on GetFullPathName to
- perform the canonicalization. */
-
-#if defined (_WIN32)
- {
- char buf[MAX_PATH];
- DWORD len = GetFullPathName (filename, MAX_PATH, buf, NULL);
-
- /* The file system is case-insensitive but case-preserving.
- So it is important we do not lowercase the path. Otherwise,
- we might not be able to display the original casing in a given
- path. */
- if (len > 0 && len < MAX_PATH)
- return gdb::unique_xmalloc_ptr<char> (xstrdup (buf));
- }
-#else
- {
- char *rp = canonicalize_file_name (filename);
-
- if (rp != NULL)
- return gdb::unique_xmalloc_ptr<char> (rp);
- }
-#endif
-
- /* This system is a lost cause, just dup the buffer. */
- return gdb::unique_xmalloc_ptr<char> (xstrdup (filename));
-}
-
#if GDB_SELF_TEST
static void
#endif /* GDB_SELF_TEST */
-/* Return a copy of FILENAME, with its directory prefix canonicalized
- by gdb_realpath. */
-
-gdb::unique_xmalloc_ptr<char>
-gdb_realpath_keepfile (const char *filename)
-{
- const char *base_name = lbasename (filename);
- char *dir_name;
- char *result;
-
- /* Extract the basename of filename, and return immediately
- a copy of filename if it does not contain any directory prefix. */
- if (base_name == filename)
- return gdb::unique_xmalloc_ptr<char> (xstrdup (filename));
-
- dir_name = (char *) alloca ((size_t) (base_name - filename + 2));
- /* Allocate enough space to store the dir_name + plus one extra
- character sometimes needed under Windows (see below), and
- then the closing \000 character. */
- strncpy (dir_name, filename, base_name - filename);
- dir_name[base_name - filename] = '\000';
-
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
- /* We need to be careful when filename is of the form 'd:foo', which
- is equivalent of d:./foo, which is totally different from d:/foo. */
- if (strlen (dir_name) == 2 && isalpha (dir_name[0]) && dir_name[1] == ':')
- {
- dir_name[2] = '.';
- dir_name[3] = '\000';
- }
-#endif
-
- /* Canonicalize the directory prefix, and build the resulting
- filename. If the dirname realpath already contains an ending
- directory separator, avoid doubling it. */
- gdb::unique_xmalloc_ptr<char> path_storage = gdb_realpath (dir_name);
- const char *real_path = path_storage.get ();
- if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
- result = concat (real_path, base_name, (char *) NULL);
- else
- result = concat (real_path, SLASH_STRING, base_name, (char *) NULL);
-
- return gdb::unique_xmalloc_ptr<char> (result);
-}
-
-/* Return PATH in absolute form, performing tilde-expansion if necessary.
- PATH cannot be NULL or the empty string.
- This does not resolve symlinks however, use gdb_realpath for that. */
-
-gdb::unique_xmalloc_ptr<char>
-gdb_abspath (const char *path)
-{
- gdb_assert (path != NULL && path[0] != '\0');
-
- if (path[0] == '~')
- return gdb::unique_xmalloc_ptr<char> (tilde_expand (path));
-
- if (IS_ABSOLUTE_PATH (path))
- return gdb::unique_xmalloc_ptr<char> (xstrdup (path));
-
- /* Beware the // my son, the Emacs barfs, the botch that catch... */
- return gdb::unique_xmalloc_ptr<char>
- (concat (current_directory,
- IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])
- ? "" : SLASH_STRING,
- path, (char *) NULL));
-}
-
ULONGEST
align_up (ULONGEST v, int n)
{
\f
/* Path utilities. */
-extern gdb::unique_xmalloc_ptr<char> gdb_realpath (const char *);
-
-extern gdb::unique_xmalloc_ptr<char> gdb_realpath_keepfile (const char *);
-
-extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *);
-
extern int gdb_filename_fnmatch (const char *pattern, const char *string,
int flags);
projects / deliverable / binutils-gdb.git / commitdiff
