diff options
Diffstat (limited to 'gdb/objfiles.c')
| -rw-r--r-- | gdb/objfiles.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/gdb/objfiles.c b/gdb/objfiles.c index d62b28f4547..16d8527a7de 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -281,6 +281,8 @@ allocate_objfile (bfd *abfd, int flags) obstack_specify_allocation (&objfile->type_obstack, 0, 0, xmalloc, xfree); flags &= ~OBJF_MAPPED; + + terminate_minimal_symbol_table (objfile); } /* Update the per-objfile information that comes from the bfd, ensuring @@ -333,6 +335,33 @@ allocate_objfile (bfd *abfd, int flags) return (objfile); } + +/* Create the terminating entry of OBJFILE's minimal symbol table. + If OBJFILE->msymbols is zero, allocate a single entry from + OBJFILE->symbol_obstack; otherwise, just initialize + OBJFILE->msymbols[OBJFILE->minimal_symbol_count]. */ +void +terminate_minimal_symbol_table (struct objfile *objfile) +{ + if (! objfile->msymbols) + objfile->msymbols = ((struct minimal_symbol *) + obstack_alloc (&objfile->symbol_obstack, + sizeof (objfile->msymbols[0]))); + + { + struct minimal_symbol *m + = &objfile->msymbols[objfile->minimal_symbol_count]; + + memset (m, 0, sizeof (*m)); + SYMBOL_NAME (m) = NULL; + SYMBOL_VALUE_ADDRESS (m) = 0; + MSYMBOL_INFO (m) = NULL; + MSYMBOL_TYPE (m) = mst_unknown; + SYMBOL_INIT_LANGUAGE_SPECIFIC (m, language_unknown); + } +} + + /* Put one object file before a specified on in the global list. This can be used to make sure an object file is destroyed before another when using ALL_OBJFILES_SAFE to free all objfiles. */ @@ -810,7 +839,7 @@ have_minimal_symbols (void) ALL_OBJFILES (ofp) { - if (ofp->msymbols != NULL) + if (ofp->minimal_symbol_count > 0) { return 1; } |