binutils/ld/plugin.c

138    its own newly-added input files and libs to claim.  */
483 /* Add symbols from a plugin-claimed input file.  */
488   plugin_input_file_t *input = handle;
489   bfd *abfd = input->abfd;
509 /* Get the input file information with an open (possibly re-opened)
514   const plugin_input_file_t *input = handle;
518   file->name = input->name;
519   file->offset = input->offset;
520   file->filesize = input->filesize;
526 /* Get view of the input file.  */
530   plugin_input_file_t *input = (plugin_input_file_t *) handle;
532   size_t size = input->filesize;
533   off_t offset = input->offset;
541   if ((off_t) size != input->filesize)
542     einfo (_("%P%F: unsupported input file size: %s (%ld bytes)\n"),
543 	   input->name, (long) input->filesize);
546   if (input->view_buffer.addr != NULL
547       && input->view_buffer.filesize == size
548       && input->view_buffer.offset == offset)
550       *viewp = input->view_buffer.addr;
554   input->view_buffer.filesize = size;
555   input->view_buffer.offset = offset;
563   buffer = mmap (NULL, size, PROT_READ, MAP_PRIVATE, input->fd, offset);
566       input->use_mmap = TRUE;
576       input->use_mmap = FALSE;
578       if (lseek (input->fd, offset, SEEK_SET) < 0)
581       buffer = bfd_alloc (input->abfd, size);
588 	  ssize_t got = read (input->fd, p, size);
602   input->view_buffer.addr = buffer;
608 /* Release the input file.  */
612   plugin_input_file_t *input = (plugin_input_file_t *) handle;
614   if (input->fd != -1)
616       close (input->fd);
617       input->fd = -1;
667 /* Get the symbol resolution info for a plugin-claimed input file.  */
672   const plugin_input_file_t *input = handle;
673   const bfd *abfd = (const bfd *) input->abfd;
804 /* Add a new (real) input file generated by a plugin.  */
1091   plugin_input_file_t *input;
1111   input = bfd_alloc (abfd, sizeof (*input));
1112   if (input == NULL)
1113     einfo (_("%P%F: plugin failed to allocate memory for input: %s\n"),
1126   file.handle = input;
1133   input->abfd = abfd;
1134   input->view_buffer.addr = NULL;
1135   input->view_buffer.filesize = 0;
1136   input->view_buffer.offset = 0;
1137   input->fd = file.fd;
1138   input->use_mmap = FALSE;
1139   input->offset = file.offset;
1140   input->filesize = file.filesize;
1141   input->name = plugin_strdup (abfd, ibfd->filename);
1149   if (input->fd != -1 && !bfd_plugin_target_p (ibfd->xvec))
1159       close (input->fd);
1160       input->fd = -1;
1173       if (input->use_mmap)
1176 	  char *addr = input->view_buffer.addr;
1177 	  off_t size = input->view_buffer.filesize;
1179 	  off_t bias = input->view_buffer.offset % plugin_pagesize;