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-rw-r--r--gdb/symfile.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 7c7141d..d087b1f 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -539,6 +539,34 @@ default_symfile_offsets (struct objfile *objfile,
if (sect)
objfile->sect_index_rodata = sect->index;
+ /* This is where things get really weird... We MUST have valid
+ indices for the various sect_index_* members or gdb will abort.
+ So if for example, there is no ".text" section, we have to
+ accomodate that. Except when explicitly adding symbol files at
+ some address, section_offsets contains nothing but zeros, so it
+ doesn't matter which slot in section_offsets the individual
+ sect_index_* members index into. So if they are all zero, it is
+ safe to just point all the currently uninitialized indices to the
+ first slot. */
+
+ for (i = 0; i < objfile->num_sections; i++)
+ {
+ if (ANOFFSET (objfile->section_offsets, i) != 0)
+ {
+ break;
+ }
+ }
+ if (i == objfile->num_sections)
+ {
+ if (objfile->sect_index_text == -1)
+ objfile->sect_index_text = 0;
+ if (objfile->sect_index_data == -1)
+ objfile->sect_index_data = 0;
+ if (objfile->sect_index_bss == -1)
+ objfile->sect_index_bss = 0;
+ if (objfile->sect_index_rodata == -1)
+ objfile->sect_index_rodata = 0;
+ }
}
/* Process a symbol file, as either the main file or as a dynamically
@@ -1713,6 +1741,7 @@ reread_symbols (void)
/* Free the obstacks for non-reusable objfiles */
free_bcache (&objfile->psymbol_cache);
+ free_bcache (&objfile->macro_cache);
obstack_free (&objfile->psymbol_obstack, 0);
obstack_free (&objfile->symbol_obstack, 0);
obstack_free (&objfile->type_obstack, 0);
@@ -1738,6 +1767,8 @@ reread_symbols (void)
it is empty. */
obstack_specify_allocation (&objfile->psymbol_cache.cache, 0, 0,
xmalloc, xfree);
+ obstack_specify_allocation (&objfile->macro_cache.cache, 0, 0,
+ xmalloc, xfree);
obstack_specify_allocation (&objfile->psymbol_obstack, 0, 0,
xmalloc, xfree);
obstack_specify_allocation (&objfile->symbol_obstack, 0, 0,