From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18821 invoked by alias); 27 Jan 2013 22:31:52 -0000 Received: (qmail 18812 invoked by uid 22791); 27 Jan 2013 22:31:51 -0000 X-SWARE-Spam-Status: No, hits=-6.3 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_SPAMHAUS_DROP,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_HELO_PASS,TW_BJ,TW_CP X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 27 Jan 2013 22:31:44 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r0RMVhxo030508 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 27 Jan 2013 17:31:44 -0500 Received: from host2.jankratochvil.net (ovpn-116-88.ams2.redhat.com [10.36.116.88]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r0RMVZU5003466 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Sun, 27 Jan 2013 17:31:38 -0500 Date: Sun, 27 Jan 2013 22:31:00 -0000 From: Jan Kratochvil To: gdb-patches@sourceware.org Subject: [patchv2 1/11] Remove xfullpath (use gdb_realpath instead) Message-ID: <20130127223135.GB15252@host2.jankratochvil.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2013-01/txt/msg00658.txt.bz2 Hi, according to Joel: Re: [patch 0/9] Absolute filenames http://sourceware.org/ml/gdb-patches/2013-01/msg00421.html xfullpath can be removed, that is to replace it by gdb_realpath and remove any double gdb_realpath calls where appropriate. gdb_realpath is like realpath while xfullpath was not resolving the very last filename component wrt symlinks. Thanks, Jan gdb/cli/cli-cmds.c | 5 +---- gdb/dwarf2read.c | 31 +++++-------------------------- gdb/psymtab.c | 32 +++++--------------------------- gdb/source.c | 14 ++++---------- gdb/symfile.h | 5 ++--- gdb/symmisc.c | 2 +- gdb/symtab.c | 43 ++++++------------------------------------- gdb/symtab.h | 1 - gdb/testsuite/gdb.gdb/xfullpath.exp | 14 +++++++------- gdb/utils.c | 47 ----------------------------------------------- gdb/utils.h | 2 -- 11 files changed, 31 insertions(+), 165 deletions(-) ^^^ gdb/ 2013-01-25 Jan Kratochvil Replace xfullpath calls by gdb_realpath calls. * cli/cli-cmds.c (find_and_open_script): Remove xfullpath from the function comment. * dwarf2read.c (dw2_map_expand_apply): Remove parameter full_path. Remove it from the iterate_over_some_symtabs call. (dw2_map_symtabs_matching_filename): Remove parameter full_path. Remove it from the dw2_map_expand_apply calls, remove a block handling it. * psymtab.c (partial_map_expand_apply): Remove parameter full_path. Remove it from the iterate_over_some_symtabs call. (partial_map_symtabs_matching_filename): Remove parameter full_path. Remove it from the partial_map_expand_apply calls, remove a block handling it. Drop gdb_realpath call and cleanups from the real_path handling. * source.c (openp): Drop the comment part about xfullpath. Replace xfullpath calls by gdb_realpath calls. (find_and_open_source): Replace xfullpath call by gdb_realpath call. * symfile.h (struct quick_symbol_functions): Remove parameter full_path from method map_symtabs_matching_filename and its comment. * symmisc.c (maintenance_print_msymbols): Replace xfullpath call by gdb_realpath call. * symtab.c (iterate_over_some_symtabs): Remove parameter full_path, remove it also from the function comment, remove a block handling it. Drop gdb_realpath call and cleanups from the real_path handling. (iterate_over_symtabs): Drop variable full_path and its use. * symtab.h (iterate_over_some_symtabs): Remove parameter full_path. * utils.c (xfullpath): Remove. * utils.h (xfullpath): Remove. gdb/testsuite/ 2013-01-25 Jan Kratochvil * gdb.gdb/xfullpath.exp: Replace xfullpath calls by gdb_realpath calls. --- a/gdb/cli/cli-cmds.c +++ b/gdb/cli/cli-cmds.c @@ -465,10 +465,7 @@ show_script_ext_mode (struct ui_file *file, int from_tty, we tried to open. If SEARCH_PATH is non-zero, and the file isn't found in cwd, - search for it in the source search path. - - NOTE: This calls openp which uses xfullpath to compute the full path - instead of gdb_realpath. Symbolic links are not resolved. */ + search for it in the source search path. */ int find_and_open_script (const char *script_file, int search_path, --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -3020,8 +3020,7 @@ dw2_forget_cached_source_info (struct objfile *objfile) static int dw2_map_expand_apply (struct objfile *objfile, struct dwarf2_per_cu_data *per_cu, - const char *name, - const char *full_path, const char *real_path, + const char *name, const char *real_path, int (*callback) (struct symtab *, void *), void *data) { @@ -3035,7 +3034,7 @@ dw2_map_expand_apply (struct objfile *objfile, all of them. */ dw2_instantiate_symtab (per_cu); - return iterate_over_some_symtabs (name, full_path, real_path, callback, data, + return iterate_over_some_symtabs (name, real_path, callback, data, objfile->symtabs, last_made); } @@ -3043,7 +3042,7 @@ dw2_map_expand_apply (struct objfile *objfile, static int dw2_map_symtabs_matching_filename (struct objfile *objfile, const char *name, - const char *full_path, const char *real_path, + const char *real_path, int (*callback) (struct symtab *, void *), void *data) { @@ -3077,8 +3076,7 @@ dw2_map_symtabs_matching_filename (struct objfile *objfile, const char *name, if (FILENAME_CMP (name, this_name) == 0 || (!is_abs && compare_filenames_for_search (this_name, name))) { - if (dw2_map_expand_apply (objfile, per_cu, - name, full_path, real_path, + if (dw2_map_expand_apply (objfile, per_cu, name, real_path, callback, data)) return 1; } @@ -3089,24 +3087,6 @@ dw2_map_symtabs_matching_filename (struct objfile *objfile, const char *name, && FILENAME_CMP (lbasename (this_name), name_basename) != 0) continue; - if (full_path != NULL) - { - const char *this_real_name = dw2_get_real_path (objfile, - file_data, j); - - if (this_real_name != NULL - && (FILENAME_CMP (full_path, this_real_name) == 0 - || (!is_abs - && compare_filenames_for_search (this_real_name, - name)))) - { - if (dw2_map_expand_apply (objfile, per_cu, - name, full_path, real_path, - callback, data)) - return 1; - } - } - if (real_path != NULL) { const char *this_real_name = dw2_get_real_path (objfile, @@ -3118,8 +3098,7 @@ dw2_map_symtabs_matching_filename (struct objfile *objfile, const char *name, && compare_filenames_for_search (this_real_name, name)))) { - if (dw2_map_expand_apply (objfile, per_cu, - name, full_path, real_path, + if (dw2_map_expand_apply (objfile, per_cu, name, real_path, callback, data)) return 1; } --- a/gdb/psymtab.c +++ b/gdb/psymtab.c @@ -131,7 +131,6 @@ require_partial_symbols (struct objfile *objfile, int verbose) static int partial_map_expand_apply (struct objfile *objfile, const char *name, - const char *full_path, const char *real_path, struct partial_symtab *pst, int (*callback) (struct symtab *, void *), @@ -151,7 +150,7 @@ partial_map_expand_apply (struct objfile *objfile, all of them. */ psymtab_to_symtab (objfile, pst); - return iterate_over_some_symtabs (name, full_path, real_path, callback, data, + return iterate_over_some_symtabs (name, real_path, callback, data, objfile->symtabs, last_made); } @@ -160,7 +159,6 @@ partial_map_expand_apply (struct objfile *objfile, static int partial_map_symtabs_matching_filename (struct objfile *objfile, const char *name, - const char *full_path, const char *real_path, int (*callback) (struct symtab *, void *), @@ -184,7 +182,7 @@ partial_map_symtabs_matching_filename (struct objfile *objfile, if (FILENAME_CMP (name, pst->filename) == 0 || (!is_abs && compare_filenames_for_search (pst->filename, name))) { - if (partial_map_expand_apply (objfile, name, full_path, real_path, + if (partial_map_expand_apply (objfile, name, real_path, pst, callback, data)) return 1; } @@ -197,34 +195,14 @@ partial_map_symtabs_matching_filename (struct objfile *objfile, /* If the user gave us an absolute path, try to find the file in this symtab and use its absolute path. */ - if (full_path != NULL) - { - psymtab_to_fullname (pst); - if (pst->fullname != NULL - && (FILENAME_CMP (full_path, pst->fullname) == 0 - || (!is_abs && compare_filenames_for_search (pst->fullname, - name)))) - { - if (partial_map_expand_apply (objfile, name, full_path, real_path, - pst, callback, data)) - return 1; - } - } - if (real_path != NULL) { - char *rp = NULL; psymtab_to_fullname (pst); - if (pst->fullname != NULL) - { - rp = gdb_realpath (pst->fullname); - make_cleanup (xfree, rp); - } - if (rp != NULL - && (FILENAME_CMP (real_path, rp) == 0 + if (pst->fullname != NULL + && (FILENAME_CMP (real_path, pst->fullname) == 0 || (!is_abs && compare_filenames_for_search (real_path, name)))) { - if (partial_map_expand_apply (objfile, name, full_path, real_path, + if (partial_map_expand_apply (objfile, name, real_path, pst, callback, data)) return 1; } --- a/gdb/source.c +++ b/gdb/source.c @@ -825,15 +825,11 @@ openp (const char *path, int opts, const char *string, done: if (filename_opened) { - /* If a file was opened, canonicalize its filename. Use xfullpath - rather than gdb_realpath to avoid resolving the basename part - of filenames when the associated file is a symbolic link. This - fixes a potential inconsistency between the filenames known to - GDB and the filenames it prints in the annotations. */ + /* If a file was opened, canonicalize its filename. */ if (fd < 0) *filename_opened = NULL; else if (IS_ABSOLUTE_PATH (filename)) - *filename_opened = xfullpath (filename); + *filename_opened = gdb_realpath (filename); else { /* Beware the // my son, the Emacs barfs, the botch that catch... */ @@ -843,7 +839,7 @@ done: ? "" : SLASH_STRING, filename, (char *)NULL); - *filename_opened = xfullpath (f); + *filename_opened = gdb_realpath (f); xfree (f); } } @@ -986,9 +982,7 @@ find_and_open_source (const char *filename, result = open (*fullname, OPEN_MODE); if (result >= 0) { - /* Call xfullpath here to be consistent with openp - which we use below. */ - char *lpath = xfullpath (*fullname); + char *lpath = gdb_realpath (*fullname); xfree (*fullname); *fullname = lpath; --- a/gdb/symfile.h +++ b/gdb/symfile.h @@ -160,8 +160,8 @@ struct quick_symbol_functions where the source file is named NAME. If NAME is not absolute, a match after a '/' in the symbol - table's file name will also work. FULL_PATH is the absolute file - name, and REAL_PATH is the same, run through gdb_realpath. + table's file name will also work. REAL_PATH is the absolute file + name run through gdb_realpath. If a match is found, the "partial" symbol table is expanded. Then, this calls iterate_over_some_symtabs (or equivalent) over @@ -169,7 +169,6 @@ struct quick_symbol_functions The result of this call is returned. */ int (*map_symtabs_matching_filename) (struct objfile *objfile, const char *name, - const char *full_path, const char *real_path, int (*callback) (struct symtab *, void *), --- a/gdb/symmisc.c +++ b/gdb/symmisc.c @@ -655,7 +655,7 @@ maintenance_print_msymbols (char *args, int from_tty) /* If a second arg is supplied, it is a source file name to match on. */ if (argv[1] != NULL) { - symname = xfullpath (argv[1]); + symname = gdb_realpath (argv[1]); make_cleanup (xfree, symname); if (symname && stat (symname, &sym_st)) perror_with_name (symname); --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -179,7 +179,7 @@ compare_filenames_for_search (const char *filename, const char *search_name) /* Check for a symtab of a specific name by searching some symtabs. This is a helper function for callbacks of iterate_over_symtabs. - The return value, NAME, FULL_PATH, REAL_PATH, CALLBACK, and DATA + The return value, NAME, REAL_PATH, CALLBACK, and DATA are identical to the `map_symtabs_matching_filename' method of quick_symbol_functions. @@ -189,7 +189,6 @@ compare_filenames_for_search (const char *filename, const char *search_name) int iterate_over_some_symtabs (const char *name, - const char *full_path, const char *real_path, int (*callback) (struct symtab *symtab, void *data), @@ -225,47 +224,21 @@ iterate_over_some_symtabs (const char *name, /* If the user gave us an absolute path, try to find the file in this symtab and use its absolute path. */ - if (full_path != NULL) - { - const char *fp = symtab_to_fullname (s); - - if (FILENAME_CMP (full_path, fp) == 0) - { - if (callback (s, data)) - return 1; - } - - if (!is_abs && compare_filenames_for_search (fp, name)) - { - if (callback (s, data)) - return 1; - } - } - if (real_path != NULL) { const char *fullname = symtab_to_fullname (s); - char *rp = gdb_realpath (fullname); - struct cleanup *cleanups = make_cleanup (xfree, rp); - if (FILENAME_CMP (real_path, rp) == 0) + if (FILENAME_CMP (real_path, fullname) == 0) { if (callback (s, data)) - { - do_cleanups (cleanups); - return 1; - } + return 1; } - if (!is_abs && compare_filenames_for_search (rp, name)) + if (!is_abs && compare_filenames_for_search (fullname, name)) { if (callback (s, data)) - { - do_cleanups (cleanups); - return 1; - } + return 1; } - do_cleanups (cleanups); } } @@ -288,22 +261,19 @@ iterate_over_symtabs (const char *name, struct symtab *s = NULL; struct objfile *objfile; char *real_path = NULL; - char *full_path = NULL; struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); /* Here we are interested in canonicalizing an absolute path, not absolutizing a relative path. */ if (IS_ABSOLUTE_PATH (name)) { - full_path = xfullpath (name); - make_cleanup (xfree, full_path); real_path = gdb_realpath (name); make_cleanup (xfree, real_path); } ALL_OBJFILES (objfile) { - if (iterate_over_some_symtabs (name, full_path, real_path, callback, data, + if (iterate_over_some_symtabs (name, real_path, callback, data, objfile->symtabs, NULL)) { do_cleanups (cleanups); @@ -319,7 +289,6 @@ iterate_over_symtabs (const char *name, if (objfile->sf && objfile->sf->qf->map_symtabs_matching_filename (objfile, name, - full_path, real_path, callback, data)) --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -1284,7 +1284,6 @@ int compare_filenames_for_search (const char *filename, const char *search_name); int iterate_over_some_symtabs (const char *name, - const char *full_path, const char *real_path, int (*callback) (struct symtab *symtab, void *data), --- a/gdb/testsuite/gdb.gdb/xfullpath.exp +++ b/gdb/testsuite/gdb.gdb/xfullpath.exp @@ -103,37 +103,37 @@ proc test_with_self { executable } { } # A file which contains a directory prefix - gdb_test "print xfullpath (\"./xfullpath.exp\")" \ + gdb_test "print gdb_realpath (\"./xfullpath.exp\")" \ ".\[0-9\]+ =.*\".*/xfullpath.exp\"" \ "A filename with ./ as the directory prefix" # A file which contains a directory prefix - gdb_test "print xfullpath (\"../../defs.h\")" \ + gdb_test "print gdb_realpath (\"../../defs.h\")" \ ".\[0-9\]+ =.*\".*/defs.h\"" \ "A filename with ../ in the directory prefix" # A one-character filename - gdb_test "print xfullpath (\"./a\")" \ + gdb_test "print gdb_realpath (\"./a\")" \ ".\[0-9\]+ =.*\".*/a\"" \ "A one-char filename in the current directory" # A file in the root directory - gdb_test "print xfullpath (\"/root_file_which_should_exist\")" \ + gdb_test "print gdb_realpath (\"/root_file_which_should_exist\")" \ ".\[0-9\]+ =.*\"/root_file_which_should_exist\"" \ "A filename in the root directory" # A file which does not have a directory prefix - gdb_test "print xfullpath (\"xfullpath.exp\")" \ + gdb_test "print gdb_realpath (\"xfullpath.exp\")" \ ".\[0-9\]+ =.*\"xfullpath.exp\"" \ "A filename without any directory prefix" # A one-char filename without any directory prefix - gdb_test "print xfullpath (\"a\")" \ + gdb_test "print gdb_realpath (\"a\")" \ ".\[0-9\]+ =.*\"a\"" \ "A one-char filename without any directory prefix" # An empty filename - gdb_test "print xfullpath (\"\")" \ + gdb_test "print gdb_realpath (\"\")" \ ".\[0-9\]+ =.*\"\"" \ "An empty filename" --- a/gdb/utils.c +++ b/gdb/utils.c @@ -3286,53 +3286,6 @@ gdb_realpath (const char *filename) return xstrdup (filename); } -/* Return a copy of FILENAME, with its directory prefix canonicalized - by gdb_realpath. */ - -char * -xfullpath (const char *filename) -{ - const char *base_name = lbasename (filename); - char *dir_name; - char *real_path; - 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 xstrdup (filename); - - dir_name = 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. */ - real_path = gdb_realpath (dir_name); - 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); - - xfree (real_path); - return result; -} - - /* This is the 32-bit CRC function used by the GNU separate debug facility. An executable may contain a section named .gnu_debuglink, which holds the name of a separate executable file --- a/gdb/utils.h +++ b/gdb/utils.h @@ -124,8 +124,6 @@ extern struct cleanup *make_bpstat_clear_actions_cleanup (void); extern char *gdb_realpath (const char *); -extern char *xfullpath (const char *); - extern int gdb_filename_fnmatch (const char *pattern, const char *string, int flags);