Fix a potential illegal memory access in the Z80 assembler.

[deliverable/binutils-gdb.git] / gas / config / tc-tic54x.h

diff --git a/gas/config/tc-tic54x.h b/gas/config/tc-tic54x.h
index 0eda39603ebfd5c463019a3e23d344830e6baa1a..8d0d0f195d65dab220f43480a8a5af6c39be6c9a 100644 (file)
--- a/gas/config/tc-tic54x.h
+++ b/gas/config/tc-tic54x.h
@@ -1,5 +1,5 @@
 /* tc-tic54x.h -- Header file for tc-tic54x.c
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    Contributed by Timothy Wall (twall@alum.mit.edu)
 
    This file is part of GAS, the GNU Assembler.
@@ -64,10 +64,13 @@ struct bit_info
 #define TC_FRAG_TYPE int
 #define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0)
 
-/* tell GAS whether the given token is indeed a code label */
+/* Tell GAS whether the given token is indeed a code label.
+   Note - we make of the knowledge that this macro will be called from
+   read.c:read_a_source_file()  in that we also pass the local variable
+   line_start.  */
 #define TC_START_LABEL_WITHOUT_COLON(NUL_CHAR, NEXT_CHAR) \
-  tic54x_start_label(NUL_CHAR, NEXT_CHAR)
-extern int tic54x_start_label (int, int);
+  tic54x_start_label (line_start, NUL_CHAR, NEXT_CHAR)
+extern int tic54x_start_label (char *, int, int);
 
 /* custom handling for relocations in cons expressions */
 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)    \