* dwarf2dbg.c (user_filenum, user_filenum_allocated): Remove.
(dwarf2_directive_loc): Don't use them. (dwarf2_directive_file): Reject duplicate file definitions. (get_filenum): Zero allocated memory. (out_file_list): Complain about missing file definitions.
This commit is contained in:
parent
2289f85d24
commit
249e3833ac
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@ -1,3 +1,11 @@
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2001-03-17 Richard Henderson <rth@redhat.com>
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* dwarf2dbg.c (user_filenum, user_filenum_allocated): Remove.
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(dwarf2_directive_loc): Don't use them.
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(dwarf2_directive_file): Reject duplicate file definitions.
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(get_filenum): Zero allocated memory.
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(out_file_list): Complain about missing file definitions.
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2001-03-17 Alan Modra <alan@linuxcare.com.au>
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* read.c (do_org): Handle complex expressions.
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@ -131,11 +131,6 @@ static struct file_entry *files;
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static unsigned int files_in_use;
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static unsigned int files_allocated;
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/* Correlate file numbers as given by the user in .file/.loc directives
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with the file numbers used in the output debug info. */
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static unsigned int *user_filenum;
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static unsigned int user_filenum_allocated;
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/* True when we've seen a .loc directive recently. Used to avoid
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doing work when there's nothing to do. */
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static boolean loc_directive_seen;
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@ -305,9 +300,13 @@ get_filenum (filename)
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if (i >= files_allocated)
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{
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unsigned int old = files_allocated;
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files_allocated = i + 32;
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files = (struct file_entry *)
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xrealloc (files, (i + 32) * sizeof (struct file_entry));
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memset (files + old, 0, (i + 32 - old) * sizeof (struct file_entry));
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}
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files[i].filename = xstrdup (filename);
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@ -340,25 +339,33 @@ dwarf2_directive_file (dummy)
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filename = demand_copy_C_string (&filename_len);
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demand_empty_rest_of_line ();
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if (num < 0)
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if (num < 1)
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{
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as_bad (_("File number less than zero"));
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as_bad (_("File number less than one"));
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return;
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}
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if (num >= (int) user_filenum_allocated)
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if (num < files_in_use && files[num].filename != 0)
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{
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unsigned int old = user_filenum_allocated;
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user_filenum_allocated = num + 16;
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user_filenum = (unsigned int *)
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xrealloc (user_filenum, (num + 16) * sizeof (unsigned int));
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/* Zero the new memory. */
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memset (user_filenum + old, 0, (num + 16 - old) * sizeof (unsigned int));
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as_bad (_("File number %d already allocated"), num);
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return;
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}
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user_filenum[num] = get_filenum (filename);
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if (num >= (int) files_allocated)
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{
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unsigned int old = files_allocated;
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files_allocated = num + 16;
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files = (struct file_entry *)
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xrealloc (files, (num + 16) * sizeof (struct file_entry));
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/* Zero the new memory. */
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memset (files + old, 0, (num + 16 - old) * sizeof (struct file_entry));
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}
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files[num].filename = filename;
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files[num].dir = 0;
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files_in_use = num + 1;
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}
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void
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@ -374,19 +381,18 @@ dwarf2_directive_loc (dummy)
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column = get_absolute_expression ();
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demand_empty_rest_of_line ();
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if (filenum < 0)
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if (filenum < 1)
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{
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as_bad (_("File number less than zero"));
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as_bad (_("File number less than one"));
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return;
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}
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if (filenum >= (int) user_filenum_allocated
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|| user_filenum[filenum] == 0)
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if (filenum >= (int) files_in_use || files[filenum].filename == 0)
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{
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as_bad (_("Unassigned file number %ld"), (long) filenum);
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return;
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}
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current.filenum = user_filenum[filenum];
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current.filenum = filenum;
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current.line = line;
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current.column = column;
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current.flags = DWARF2_FLAG_BEGIN_STMT;
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@ -921,6 +927,12 @@ out_file_list ()
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for (i = 1; i < files_in_use; ++i)
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{
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if (files[i].filename == NULL)
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{
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as_bad (_("Unassigned file number %u"), i);
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continue;
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}
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size = strlen (files[i].filename) + 1;
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cp = frag_more (size);
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memcpy (cp, files[i].filename, size);
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