/* Generic symbol-table support for the BFD library.
- Copyright (C) 1990-2018 Free Software Foundation, Inc.
+ Copyright (C) 1990-2019 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
if (symcount < 0)
goto error_return;
- *minisymsp = syms;
- *sizep = sizeof (asymbol *);
-
+ if (symcount == 0)
+ /* We return 0 above when storage is 0. Exit in the same state
+ here, so as to not complicate callers with having to deal with
+ freeing memory for zero symcount. */
+ free (syms);
+ else
+ {
+ *minisymsp = syms;
+ *sizep = sizeof (asymbol *);
+ }
return symcount;
error_return:
0, strsize))
return FALSE;
+ /* Stab strings ought to be nul terminated. Ensure the last one
+ is, to prevent running off the end of the buffer. */
+ info->strs[strsize - 1] = 0;
+
/* If this is a relocatable object file, we have to relocate
the entries in .stab. This should always be simple 32 bit
relocations against symbols defined in this object file, so
|| r->howto->bitsize != 32
|| r->howto->pc_relative
|| r->howto->bitpos != 0
- || r->howto->dst_mask != 0xffffffff)
+ || r->howto->dst_mask != 0xffffffff
+ || r->address * bfd_octets_per_byte (abfd) + 4 > stabsize)
{
_bfd_error_handler
- (_("Unsupported .stab relocation"));
+ (_("unsupported .stab relocation"));
bfd_set_error (bfd_error_invalid_operation);
if (reloc_vector != NULL)
free (reloc_vector);
{
nul_fun = stab;
nul_str = str;
- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
file_name = NULL;
if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize
&& *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO)
directory_name = file_name;
file_name = ((char *) str
+ bfd_get_32 (abfd, stab + STRDXOFF));
- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
file_name = NULL;
}
}
file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
/* PR 17512: file: 0c680a1f. */
/* PR 17512: file: 5da8aec4. */
- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
file_name = NULL;
break;
function_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
if (function_name == (char *) str)
continue;
- if (function_name >= (char *) info->strs + strsize)
+ if (function_name >= (char *) info->strs + strsize
+ || function_name < (char *) str)
function_name = NULL;
nul_fun = NULL;
if (val <= offset)
{
file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
file_name = NULL;
*pline = 0;
}
return TRUE;
}
+
+long
+_bfd_nosymbols_canonicalize_symtab (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol **location ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+void
+_bfd_nosymbols_print_symbol (bfd *abfd ATTRIBUTE_UNUSED,
+ void *afile ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ bfd_print_symbol_type how ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_nosymbols_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *sym ATTRIBUTE_UNUSED,
+ symbol_info *ret ATTRIBUTE_UNUSED)
+{
+}
+
+const char *
+_bfd_nosymbols_get_symbol_version_string (bfd *abfd,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ bfd_boolean *hidden ATTRIBUTE_UNUSED)
+{
+ return (const char *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
+alent *
+_bfd_nosymbols_get_lineno (bfd *abfd, asymbol *sym ATTRIBUTE_UNUSED)
+{
+ return (alent *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_nearest_line
+ (bfd *abfd,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ asection *section ATTRIBUTE_UNUSED,
+ bfd_vma offset ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED,
+ unsigned int *discriminator_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_line (bfd *abfd,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_inliner_info
+ (bfd *abfd,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+asymbol *
+_bfd_nosymbols_bfd_make_debug_symbol (bfd *abfd,
+ void *ptr ATTRIBUTE_UNUSED,
+ unsigned long sz ATTRIBUTE_UNUSED)
+{
+ return (asymbol *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+long
+_bfd_nosymbols_read_minisymbols (bfd *abfd,
+ bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ void **minisymsp ATTRIBUTE_UNUSED,
+ unsigned int *sizep ATTRIBUTE_UNUSED)
+{
+ return _bfd_long_bfd_n1_error (abfd);
+}
+
+asymbol *
+_bfd_nosymbols_minisymbol_to_symbol (bfd *abfd,
+ bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ const void *minisym ATTRIBUTE_UNUSED,
+ asymbol *sym ATTRIBUTE_UNUSED)
+{
+ return (asymbol *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+long
+_bfd_nodynamic_get_synthetic_symtab (bfd *abfd,
+ long symcount ATTRIBUTE_UNUSED,
+ asymbol **syms ATTRIBUTE_UNUSED,
+ long dynsymcount ATTRIBUTE_UNUSED,
+ asymbol **dynsyms ATTRIBUTE_UNUSED,
+ asymbol **ret ATTRIBUTE_UNUSED)
+{
+ return _bfd_long_bfd_n1_error (abfd);
+}
projects / deliverable / binutils-gdb.git / blobdiff