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authorJoel Brobecker <brobecker@gnat.com>2006-10-04 21:36:39 +0000
committerJoel Brobecker <brobecker@gnat.com>2006-10-04 21:36:39 +0000
commit8614310fcc24e4f795de6592eb3bcbadca4e3bb2 (patch)
tree8807e4d8e923ad221eb8ed04b5b20286d0a63f59 /gdb/somread.c
parentbe8b7201b58184e5acdb4407d0552be86421e68f (diff)
downloadgdb-8614310fcc24e4f795de6592eb3bcbadca4e3bb2.tar.gz
* somread.c (som_symtab_read): Avoid using alloca for potentially
large buffers.
Diffstat (limited to 'gdb/somread.c')
-rw-r--r--gdb/somread.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/gdb/somread.c b/gdb/somread.c
index c187d13c1dc..f17094d354f 100644
--- a/gdb/somread.c
+++ b/gdb/somread.c
@@ -88,15 +88,22 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
number_of_symbols = bfd_get_symcount (abfd);
- /* FIXME (alloca): could be quite large. */
- buf = alloca (symsize * number_of_symbols);
+ /* Allocate a buffer to read in the debug info.
+ We avoid using alloca because the memory size could be so large
+ that we could hit the stack size limit. */
+ buf = xmalloc (symsize * number_of_symbols);
+ make_cleanup (xfree, buf);
bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET);
val = bfd_bread (buf, symsize * number_of_symbols, abfd);
if (val != symsize * number_of_symbols)
error (_("Couldn't read symbol dictionary!"));
- /* FIXME (alloca): could be quite large. */
- stringtab = alloca (obj_som_stringtab_size (abfd));
+ /* Allocate a buffer to read in the som stringtab section of
+ the debugging info. Again, we avoid using alloca because
+ the data could be so large that we could potentially hit
+ the stack size limitat. */
+ stringtab = xmalloc (obj_som_stringtab_size (abfd));
+ make_cleanup (xfree, stringtab);
bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET);
val = bfd_bread (stringtab, obj_som_stringtab_size (abfd), abfd);
if (val != obj_som_stringtab_size (abfd))