X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gprof%2Fsource.c;h=93abc85793b5de9022c175c731ef0bdd6314d636;hb=31ce04e9e0ce96e752e2c53dfad5881d24e9f080;hp=4901a04b0379c228583b5ca279e8f00eb8c6b164;hpb=e98fe4f7b54cbdf29aef9287bbb1bea8801dd05a;p=deliverable%2Fbinutils-gdb.git diff --git a/gprof/source.c b/gprof/source.c index 4901a04b03..93abc85793 100644 --- a/gprof/source.c +++ b/gprof/source.c @@ -1,173 +1,218 @@ -/* - * Keeps track of source files. - */ +/* source.c - Keep track of source files. + + Copyright (C) 2000-2020 Free Software Foundation, Inc. + + This file is part of GNU Binutils. + + 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, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + #include "gprof.h" #include "libiberty.h" +#include "filenames.h" #include "search_list.h" #include "source.h" -#define EXT_ANNO "-ann" /* postfix of annotated files */ +#define EXT_ANNO "-ann" /* Postfix of annotated files. */ -/* - * Default option values: - */ -bool create_annotation_files = FALSE; +/* Default option values. */ +bfd_boolean create_annotation_files = FALSE; -Search_List src_search_list = -{0, 0}; +Search_List src_search_list = {0, 0}; Source_File *first_src_file = 0; Source_File * -DEFUN (source_file_lookup_path, (path), const char *path) +source_file_lookup_path (const char *path) { Source_File *sf; for (sf = first_src_file; sf; sf = sf->next) { - if (strcmp (path, sf->name) == 0) - { - break; - } + if (FILENAME_CMP (path, sf->name) == 0) + break; } + if (!sf) { - /* create a new source file descriptor: */ - + /* Create a new source file descriptor. */ sf = (Source_File *) xmalloc (sizeof (*sf)); + memset (sf, 0, sizeof (*sf)); + sf->name = xstrdup (path); sf->next = first_src_file; first_src_file = sf; } + return sf; } Source_File * -DEFUN (source_file_lookup_name, (filename), const char *filename) +source_file_lookup_name (const char *filename) { const char *fname; Source_File *sf; - /* - * The user cannot know exactly how a filename will be stored in - * the debugging info (e.g., ../include/foo.h - * vs. /usr/include/foo.h). So we simply compare the filename - * component of a path only: - */ + + /* The user cannot know exactly how a filename will be stored in + the debugging info (e.g., ../include/foo.h + vs. /usr/include/foo.h). So we simply compare the filename + component of a path only. */ for (sf = first_src_file; sf; sf = sf->next) { fname = strrchr (sf->name, '/'); + if (fname) - { - ++fname; - } + ++fname; else - { - fname = sf->name; - } - if (strcmp (filename, fname) == 0) - { - break; - } + fname = sf->name; + + if (FILENAME_CMP (filename, fname) == 0) + break; } + return sf; } FILE * -DEFUN (annotate_source, (sf, max_width, annote, arg), - Source_File * sf AND int max_width - AND void (*annote) PARAMS ((char *buf, int w, int l, void *arg)) - AND void *arg) +annotate_source (Source_File *sf, unsigned int max_width, + void (*annote) (char *, unsigned int, int, void *), + void *arg) { - static bool first_file = TRUE; + static bfd_boolean first_file = TRUE; int i, line_num, nread; - bool new_line; + bfd_boolean new_line; char buf[8192]; char fname[PATH_MAX]; char *annotation, *name_only; FILE *ifp, *ofp; Search_List_Elem *sle = src_search_list.head; - /* - * Open input file. If open fails, walk along search-list until - * open succeeds or reaching end of list: - */ + /* Open input file. If open fails, walk along search-list until + open succeeds or reaching end of list. */ strcpy (fname, sf->name); - if (sf->name[0] == '/') - { - sle = 0; /* don't use search list for absolute paths */ - } + + if (IS_ABSOLUTE_PATH (sf->name)) + sle = 0; /* Don't use search list for absolute paths. */ + name_only = 0; while (TRUE) { DBG (SRCDEBUG, printf ("[annotate_source]: looking for %s, trying %s\n", sf->name, fname)); + ifp = fopen (fname, FOPEN_RB); if (ifp) - { - break; - } + break; + if (!sle && !name_only) { name_only = strrchr (sf->name, '/'); +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + { + char *bslash = strrchr (sf->name, '\\'); + if (name_only == NULL || (bslash != NULL && bslash > name_only)) + name_only = bslash; + if (name_only == NULL && sf->name[0] != '\0' && sf->name[1] == ':') + name_only = (char *)sf->name + 1; + } +#endif if (name_only) { - /* try search-list again, but this time with name only: */ + /* Try search-list again, but this time with name only. */ ++name_only; sle = src_search_list.head; } } + if (sle) { strcpy (fname, sle->path); +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + /* d:foo is not the same thing as d:/foo! */ + if (fname[strlen (fname) - 1] == ':') + strcat (fname, "."); +#endif strcat (fname, "/"); + if (name_only) - { - strcat (fname, name_only); - } + strcat (fname, name_only); else - { - strcat (fname, sf->name); - } + strcat (fname, sf->name); + sle = sle->next; } else { if (errno == ENOENT) - { - fprintf (stderr, _("%s: could not locate `%s'\n"), - whoami, sf->name); - } + fprintf (stderr, _("%s: could not locate `%s'\n"), + whoami, sf->name); else - { - perror (sf->name); - } + perror (sf->name); + return 0; } } ofp = stdout; + if (create_annotation_files) { - /* try to create annotated source file: */ + /* Try to create annotated source file. */ const char *filename; - /* create annotation files in the current working directory: */ + /* Create annotation files in the current working directory. */ filename = strrchr (sf->name, '/'); - if (filename) +#ifdef HAVE_DOS_BASED_FILE_SYSTEM { - ++filename; + char *bslash = strrchr (sf->name, '\\'); + if (filename == NULL || (bslash != NULL && bslash > filename)) + filename = bslash; + if (filename == NULL && sf->name[0] != '\0' && sf->name[1] == ':') + filename = sf->name + 1; } +#endif + if (filename) + ++filename; else - { - filename = sf->name; - } + filename = sf->name; strcpy (fname, filename); strcat (fname, EXT_ANNO); +#ifdef __MSDOS__ + { + /* foo.cpp-ann can overwrite foo.cpp due to silent truncation of + file names on 8+3 filesystems. Their `stat' better be good... */ + struct stat buf1, buf2; + + if (stat (filename, &buf1) == 0 + && stat (fname, &buf2) == 0 + && buf1.st_ino == buf2.st_ino) + { + char *dot = strrchr (fname, '.'); + + if (dot) + *dot = '\0'; + strcat (fname, ".ann"); + } + } +#endif ofp = fopen (fname, "w"); + if (!ofp) { perror (fname); @@ -175,34 +220,27 @@ DEFUN (annotate_source, (sf, max_width, annote, arg), } } - /* - * Print file names if output goes to stdout and there are - * more than one source file: - */ + /* Print file names if output goes to stdout + and there are more than one source file. */ if (ofp == stdout) { if (first_file) - { - first_file = FALSE; - } + first_file = FALSE; else - { - fputc ('\n', ofp); - } + fputc ('\n', ofp); + if (first_output) - { - first_output = FALSE; - } + first_output = FALSE; else - { - fprintf (ofp, "\f\n"); - } + fprintf (ofp, "\f\n"); + fprintf (ofp, _("*** File %s:\n"), sf->name); } - annotation = xmalloc (max_width + 1); + annotation = (char *) xmalloc (max_width + 1); line_num = 1; new_line = TRUE; + while ((nread = fread (buf, 1, sizeof (buf), ifp)) > 0) { for (i = 0; i < nread; ++i) @@ -212,12 +250,14 @@ DEFUN (annotate_source, (sf, max_width, annote, arg), (*annote) (annotation, max_width, line_num, arg); fputs (annotation, ofp); ++line_num; - new_line = FALSE; } + new_line = (buf[i] == '\n'); fputc (buf[i], ofp); } } + free (annotation); + fclose (ifp); return ofp; }