aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2002-07-11 01:07:49 +0000
committerAlan Modra <amodra@gmail.com>2002-07-11 01:07:49 +0000
commit7e8d4ab4d1db50fe54dbc90d632c07e98b869d55 (patch)
tree4e54ea0f9fea57cd4856bcf26e0c27644e6c823f /gas
parent2b3c4602718d2951e30572be3c1c6dcf5defa4fb (diff)
downloadgdb-7e8d4ab4d1db50fe54dbc90d632c07e98b869d55.zip
gdb-7e8d4ab4d1db50fe54dbc90d632c07e98b869d55.tar.gz
gdb-7e8d4ab4d1db50fe54dbc90d632c07e98b869d55.tar.bz2
* config/tc-ppc.c (ppc_elf_frob_symbol): Delete.
(ppc_frob_file_before_adjust): New function. * config/tc-ppc.h (tc_frob_symbol): Don't define. (ppc_elf_frob_symbol): Don't declare. (tc_frob_file_before_adjust): Define. (ppc_frob_file_before_adjust): Declare.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog7
-rw-r--r--gas/config/tc-ppc.c48
-rw-r--r--gas/config/tc-ppc.h5
3 files changed, 47 insertions, 13 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index e8b9b01..1771741 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,12 @@
2002-07-11 Alan Modra <amodra@bigpond.net.au>
+ * config/tc-ppc.c (ppc_elf_frob_symbol): Delete.
+ (ppc_frob_file_before_adjust): New function.
+ * config/tc-ppc.h (tc_frob_symbol): Don't define.
+ (ppc_elf_frob_symbol): Don't declare.
+ (tc_frob_file_before_adjust): Define.
+ (ppc_frob_file_before_adjust): Declare.
+
* config/tc-ppc.c (md_pseudo_table): Warning fix.
(ppc_cpu): Make it unsigned long to agree with struct powerpc_opcode
flags.
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index b73d30c..68f8764 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -1688,21 +1688,49 @@ ppc_elf_validate_fix (fixp, seg)
}
}
-/* Don't emit .TOC. symbol. */
-int
-ppc_elf_frob_symbol (sym)
- symbolS *sym;
+/* Prevent elf_frob_file_before_adjust removing a weak undefined
+ function descriptor sym if the corresponding code sym is used. */
+
+void
+ppc_frob_file_before_adjust ()
{
- const char *name;
+ symbolS *symp;
+
+ if (!ppc_obj64)
+ return;
- name = S_GET_NAME (sym);
- if (name != NULL && strcmp (name, ".TOC.") == 0)
+ for (symp = symbol_rootP; symp; symp = symbol_next (symp))
{
- S_CLEAR_EXTERNAL (sym);
- return 1;
+ const char *name;
+ char *dotname;
+ symbolS *dotsym;
+ size_t len;
+
+ name = S_GET_NAME (symp);
+ if (name[0] == '.')
+ continue;
+
+ if (! S_IS_WEAK (symp)
+ || S_IS_DEFINED (symp))
+ continue;
+
+ len = strlen (name) + 1;
+ dotname = xmalloc (len + 1);
+ dotname[0] = '.';
+ memcpy (dotname + 1, name, len);
+ dotsym = symbol_find (dotname);
+ free (dotname);
+ if (dotsym != NULL && (symbol_used_p (dotsym)
+ || symbol_used_in_reloc_p (dotsym)))
+ {
+ symbol_mark_used (symp);
+ }
}
- return 0;
+ /* Don't emit .TOC. symbol. */
+ symp = symbol_find (".TOC.");
+ if (symp != NULL)
+ symbol_remove (symp, &symbol_rootP, &symbol_lastP);
}
#endif /* OBJ_ELF */
diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index f05f8e7..b6dd640 100644
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -271,9 +271,8 @@ extern int ppc_fix_adjustable PARAMS ((struct fix *));
&& S_IS_DEFINED ((FIX)->fx_addsy) \
&& ! S_IS_COMMON ((FIX)->fx_addsy)))
-/* Finish up the symbol. */
-#define tc_frob_symbol(sym, punt) punt = ppc_elf_frob_symbol (sym)
-extern int ppc_elf_frob_symbol PARAMS ((symbolS *));
+#define tc_frob_file_before_adjust ppc_frob_file_before_adjust
+extern void ppc_frob_file_before_adjust PARAMS ((void));
#define DWARF2_LINE_MIN_INSN_LENGTH 4
#endif /* OBJ_ELF */