diff options
author | Joel Brobecker <brobecker@gnat.com> | 2006-10-04 21:36:39 +0000 |
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committer | Joel Brobecker <brobecker@gnat.com> | 2006-10-04 21:36:39 +0000 |
commit | 8614310fcc24e4f795de6592eb3bcbadca4e3bb2 (patch) | |
tree | 8807e4d8e923ad221eb8ed04b5b20286d0a63f59 /gdb/somread.c | |
parent | be8b7201b58184e5acdb4407d0552be86421e68f (diff) | |
download | gdb-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.c | 15 |
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)) |