URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [tags/] [gnu-src/] [binutils-2.20.1/] [binutils-2.20.1-or32-1.0rc1/] [binutils/] [bucomm.c] - Rev 593
Go to most recent revision | Compare with Previous | Blame | View Log
/* bucomm.c -- Bin Utils COMmon code. Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009 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. */ /* We might put this in a library someday so it could be dynamically loaded, but for now it's not necessary. */ #include "sysdep.h" #include "bfd.h" #include "libiberty.h" #include "filenames.h" #include "libbfd.h" #include <sys/stat.h> #include <time.h> /* ctime, maybe time_t */ #include <assert.h> #include "bucomm.h" #ifndef HAVE_TIME_T_IN_TIME_H #ifndef HAVE_TIME_T_IN_TYPES_H typedef long time_t; #endif #endif static const char * endian_string (enum bfd_endian); static int display_target_list (void); static int display_info_table (int, int); static int display_target_tables (void); /* Error reporting. */ char *program_name; void bfd_nonfatal (const char *string) { const char *errmsg = bfd_errmsg (bfd_get_error ()); if (string) fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg); else fprintf (stderr, "%s: %s\n", program_name, errmsg); } /* Issue a non fatal error message. FILENAME, or if NULL then BFD, are used to indicate the problematic file. SECTION, if non NULL, is used to provide a section name. If FORMAT is non-null, then it is used to print additional information via vfprintf. Finally the bfd error message is printed. In summary, error messages are of one of the following forms: PROGRAM:file: bfd-error-message PROGRAM:file[section]: bfd-error-message PROGRAM:file: printf-message: bfd-error-message PROGRAM:file[section]: printf-message: bfd-error-message */ void bfd_nonfatal_message (const char *filename, const bfd *bfd, const asection *section, const char *format, ...) { const char *errmsg = bfd_errmsg (bfd_get_error ()); const char *section_name = NULL; va_list args; va_start (args, format); fprintf (stderr, "%s", program_name); if (bfd) { if (!filename) filename = bfd_get_archive_filename (bfd); if (section) section_name = bfd_get_section_name (bfd, section); } if (section_name) fprintf (stderr, ":%s[%s]", filename, section_name); else fprintf (stderr, ":%s", filename); if (format) { fprintf (stderr, ": "); vfprintf (stderr, format, args); } fprintf (stderr, ": %s\n", errmsg); va_end (args); } void bfd_fatal (const char *string) { bfd_nonfatal (string); xexit (1); } void report (const char * format, va_list args) { fprintf (stderr, "%s: ", program_name); vfprintf (stderr, format, args); putc ('\n', stderr); } void fatal VPARAMS ((const char *format, ...)) { VA_OPEN (args, format); VA_FIXEDARG (args, const char *, format); report (format, args); VA_CLOSE (args); xexit (1); } void non_fatal VPARAMS ((const char *format, ...)) { VA_OPEN (args, format); VA_FIXEDARG (args, const char *, format); report (format, args); VA_CLOSE (args); } /* Set the default BFD target based on the configured target. Doing this permits the binutils to be configured for a particular target, and linked against a shared BFD library which was configured for a different target. */ void set_default_bfd_target (void) { /* The macro TARGET is defined by Makefile. */ const char *target = TARGET; if (! bfd_set_default_target (target)) fatal (_("can't set BFD default target to `%s': %s"), target, bfd_errmsg (bfd_get_error ())); } /* After a FALSE return from bfd_check_format_matches with bfd_get_error () == bfd_error_file_ambiguously_recognized, print the possible matching targets. */ void list_matching_formats (char **p) { fprintf (stderr, _("%s: Matching formats:"), program_name); while (*p) fprintf (stderr, " %s", *p++); fputc ('\n', stderr); } /* List the supported targets. */ void list_supported_targets (const char *name, FILE *f) { int t; const char **targ_names = bfd_target_list (); if (name == NULL) fprintf (f, _("Supported targets:")); else fprintf (f, _("%s: supported targets:"), name); for (t = 0; targ_names[t] != NULL; t++) fprintf (f, " %s", targ_names[t]); fprintf (f, "\n"); free (targ_names); } /* List the supported architectures. */ void list_supported_architectures (const char *name, FILE *f) { const char ** arch; const char ** arches; if (name == NULL) fprintf (f, _("Supported architectures:")); else fprintf (f, _("%s: supported architectures:"), name); for (arch = arches = bfd_arch_list (); *arch; arch++) fprintf (f, " %s", *arch); fprintf (f, "\n"); free (arches); } /* The length of the longest architecture name + 1. */ #define LONGEST_ARCH sizeof ("powerpc:common") static const char * endian_string (enum bfd_endian endian) { switch (endian) { case BFD_ENDIAN_BIG: return "big endian"; case BFD_ENDIAN_LITTLE: return "little endian"; default: return "endianness unknown"; } } /* List the targets that BFD is configured to support, each followed by its endianness and the architectures it supports. */ static int display_target_list (void) { char *dummy_name; int t; int ret = 1; dummy_name = make_temp_file (NULL); for (t = 0; bfd_target_vector[t]; t++) { const bfd_target *p = bfd_target_vector[t]; bfd *abfd = bfd_openw (dummy_name, p->name); int a; printf ("%s\n (header %s, data %s)\n", p->name, endian_string (p->header_byteorder), endian_string (p->byteorder)); if (abfd == NULL) { bfd_nonfatal (dummy_name); ret = 0; continue; } if (! bfd_set_format (abfd, bfd_object)) { if (bfd_get_error () != bfd_error_invalid_operation) { bfd_nonfatal (p->name); ret = 0; } bfd_close_all_done (abfd); continue; } for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) printf (" %s\n", bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); bfd_close_all_done (abfd); } unlink (dummy_name); free (dummy_name); return ret; } /* Print a table showing which architectures are supported for entries FIRST through LAST-1 of bfd_target_vector (targets across, architectures down). */ static int display_info_table (int first, int last) { int t; int ret = 1; char *dummy_name; int a; /* Print heading of target names. */ printf ("\n%*s", (int) LONGEST_ARCH, " "); for (t = first; t < last && bfd_target_vector[t]; t++) printf ("%s ", bfd_target_vector[t]->name); putchar ('\n'); dummy_name = make_temp_file (NULL); for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) if (strcmp (bfd_printable_arch_mach ((enum bfd_architecture) a, 0), "UNKNOWN!") != 0) { printf ("%*s ", (int) LONGEST_ARCH - 1, bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); for (t = first; t < last && bfd_target_vector[t]; t++) { const bfd_target *p = bfd_target_vector[t]; bfd_boolean ok = TRUE; bfd *abfd = bfd_openw (dummy_name, p->name); if (abfd == NULL) { bfd_nonfatal (p->name); ret = 0; ok = FALSE; } if (ok) { if (! bfd_set_format (abfd, bfd_object)) { if (bfd_get_error () != bfd_error_invalid_operation) { bfd_nonfatal (p->name); ret = 0; } ok = FALSE; } } if (ok) { if (! bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) ok = FALSE; } if (ok) printf ("%s ", p->name); else { int l = strlen (p->name); while (l--) putchar ('-'); putchar (' '); } if (abfd != NULL) bfd_close_all_done (abfd); } putchar ('\n'); } unlink (dummy_name); free (dummy_name); return ret; } /* Print tables of all the target-architecture combinations that BFD has been configured to support. */ static int display_target_tables (void) { int t; int columns; int ret = 1; char *colum; columns = 0; colum = getenv ("COLUMNS"); if (colum != NULL) columns = atoi (colum); if (columns == 0) columns = 80; t = 0; while (bfd_target_vector[t] != NULL) { int oldt = t, wid; wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1; ++t; while (wid < columns && bfd_target_vector[t] != NULL) { int newwid; newwid = wid + strlen (bfd_target_vector[t]->name) + 1; if (newwid >= columns) break; wid = newwid; ++t; } if (! display_info_table (oldt, t)) ret = 0; } return ret; } int display_info (void) { printf (_("BFD header file version %s\n"), BFD_VERSION_STRING); if (! display_target_list () || ! display_target_tables ()) return 1; else return 0; } /* Display the archive header for an element as if it were an ls -l listing: Mode User\tGroup\tSize\tDate Name */ void print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose) { struct stat buf; if (verbose) { if (bfd_stat_arch_elt (abfd, &buf) == 0) { char modebuf[11]; char timebuf[40]; time_t when = buf.st_mtime; const char *ctime_result = (const char *) ctime (&when); /* POSIX format: skip weekday and seconds from ctime output. */ sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20); mode_string (buf.st_mode, modebuf); modebuf[10] = '\0'; /* POSIX 1003.2/D11 says to skip first character (entry type). */ fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1, (long) buf.st_uid, (long) buf.st_gid, (long) buf.st_size, timebuf); } } fprintf (file, "%s\n", bfd_get_filename (abfd)); } /* Return a path for a new temporary file in the same directory as file PATH. */ static char * template_in_dir (const char *path) { #define template "stXXXXXX" const char *slash = strrchr (path, '/'); char *tmpname; size_t len; #ifdef HAVE_DOS_BASED_FILE_SYSTEM { /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ char *bslash = strrchr (path, '\\'); if (slash == NULL || (bslash != NULL && bslash > slash)) slash = bslash; if (slash == NULL && path[0] != '\0' && path[1] == ':') slash = path + 1; } #endif if (slash != (char *) NULL) { len = slash - path; tmpname = (char *) xmalloc (len + sizeof (template) + 2); memcpy (tmpname, path, len); #ifdef HAVE_DOS_BASED_FILE_SYSTEM /* If tmpname is "X:", appending a slash will make it a root directory on drive X, which is NOT the same as the current directory on drive X. */ if (len == 2 && tmpname[1] == ':') tmpname[len++] = '.'; #endif tmpname[len++] = '/'; } else { tmpname = (char *) xmalloc (sizeof (template)); len = 0; } memcpy (tmpname + len, template, sizeof (template)); return tmpname; #undef template } /* Return the name of a created temporary file in the same directory as FILENAME. */ char * make_tempname (char *filename) { char *tmpname = template_in_dir (filename); int fd; #ifdef HAVE_MKSTEMP fd = mkstemp (tmpname); #else tmpname = mktemp (tmpname); if (tmpname == NULL) return NULL; fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); #endif if (fd == -1) return NULL; close (fd); return tmpname; } /* Return the name of a created temporary directory inside the directory containing FILENAME. */ char * make_tempdir (char *filename) { char *tmpname = template_in_dir (filename); #ifdef HAVE_MKDTEMP return mkdtemp (tmpname); #else tmpname = mktemp (tmpname); if (tmpname == NULL) return NULL; #if defined (_WIN32) && !defined (__CYGWIN32__) if (mkdir (tmpname) != 0) return NULL; #else if (mkdir (tmpname, 0700) != 0) return NULL; #endif return tmpname; #endif } /* Parse a string into a VMA, with a fatal error if it can't be parsed. */ bfd_vma parse_vma (const char *s, const char *arg) { bfd_vma ret; const char *end; ret = bfd_scan_vma (s, &end, 0); if (*end != '\0') fatal (_("%s: bad number: %s"), arg, s); return ret; } /* Returns the size of the named file. If the file does not exist, or if it is not a real file, then a suitable non-fatal error message is printed and zero is returned. */ off_t get_file_size (const char * file_name) { struct stat statbuf; if (stat (file_name, &statbuf) < 0) { if (errno == ENOENT) non_fatal (_("'%s': No such file"), file_name); else non_fatal (_("Warning: could not locate '%s'. reason: %s"), file_name, strerror (errno)); } else if (! S_ISREG (statbuf.st_mode)) non_fatal (_("Warning: '%s' is not an ordinary file"), file_name); else return statbuf.st_size; return (off_t) -1; } /* Return the filename in a static buffer. */ const char * bfd_get_archive_filename (const bfd *abfd) { static size_t curr = 0; static char *buf; size_t needed; assert (abfd != NULL); if (!abfd->my_archive) return bfd_get_filename (abfd); needed = (strlen (bfd_get_filename (abfd->my_archive)) + strlen (bfd_get_filename (abfd)) + 3); if (needed > curr) { if (curr) free (buf); curr = needed + (needed >> 1); buf = (char *) bfd_malloc (curr); /* If we can't malloc, fail safe by returning just the file name. This function is only used when building error messages. */ if (!buf) { curr = 0; return bfd_get_filename (abfd); } } sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive), bfd_get_filename (abfd)); return buf; }
Go to most recent revision | Compare with Previous | Blame | View Log