summaryrefslogtreecommitdiffstats
path: root/binutils-2.20.1/gas/config/xtensa-istack.h
diff options
context:
space:
mode:
authorJing Yu <jingyu@google.com>2011-01-30 22:09:54 -0800
committerJing Yu <jingyu@google.com>2011-01-30 22:09:54 -0800
commita9a8b9e7e4aee6a3846ba62703283d10849bc0a6 (patch)
treebfd550c5e600ab0c227d3615fb5183127604870d /binutils-2.20.1/gas/config/xtensa-istack.h
parent8a5a8339de3149b7f99caf08e9cb72467d60cd01 (diff)
downloadtoolchain_binutils-a9a8b9e7e4aee6a3846ba62703283d10849bc0a6.zip
toolchain_binutils-a9a8b9e7e4aee6a3846ba62703283d10849bc0a6.tar.gz
toolchain_binutils-a9a8b9e7e4aee6a3846ba62703283d10849bc0a6.tar.bz2
Upgrade binutils and gold.
upgrade binutils-2.19 to binutils-2.20.1 upgrade gold to a relatively new version binutils-20100303 Before, both binutils and gold were built from binutils-2.19. Now binutils will be built from binutils-2.20.1 and gold will be built from binutils-20100303. Change-Id: Ibd0130756723337d2b4783d5b1d5e5b02a1adc83
Diffstat (limited to 'binutils-2.20.1/gas/config/xtensa-istack.h')
-rw-r--r--binutils-2.20.1/gas/config/xtensa-istack.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/binutils-2.20.1/gas/config/xtensa-istack.h b/binutils-2.20.1/gas/config/xtensa-istack.h
new file mode 100644
index 0000000..75b56b2
--- /dev/null
+++ b/binutils-2.20.1/gas/config/xtensa-istack.h
@@ -0,0 +1,106 @@
+/* Declarations for stacks of tokenized Xtensa instructions.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#ifndef XTENSA_ISTACK_H
+#define XTENSA_ISTACK_H
+
+#include "xtensa-isa.h"
+
+#define MAX_ISTACK 12
+#define MAX_INSN_ARGS 64
+
+enum itype_enum
+{
+ ITYPE_INSN,
+ ITYPE_LITERAL,
+ ITYPE_LABEL
+};
+
+
+/* Literals have 1 token and no opcode.
+ Labels have 1 token and no opcode. */
+
+typedef struct tinsn_struct
+{
+ enum itype_enum insn_type;
+
+ xtensa_opcode opcode; /* Literals have an invalid opcode. */
+ bfd_boolean is_specific_opcode;
+ bfd_boolean keep_wide;
+ int ntok;
+ expressionS tok[MAX_INSN_ARGS];
+ bfd_boolean loc_directive_seen;
+ struct dwarf2_line_info debug_line;
+
+ /* This field is used for two types of special pseudo ops:
+ 1. TLS-related operations. Eg: callx8.tls
+ 2. j.l label, a2
+
+ For the tls-related operations, it will hold a tls-related opcode
+ and info to be used in a fixup. For j.l it will hold a
+ register to be used during relaxation. */
+ expressionS extra_arg;
+
+ /* Filled out by relaxation_requirements: */
+ enum xtensa_relax_statesE subtype;
+ int literal_space;
+
+ /* Filled out by vinsn_to_insnbuf: */
+ symbolS *symbol;
+ offsetT offset;
+ fragS *literal_frag;
+} TInsn;
+
+
+/* tinsn_stack: This is a stack of instructions to be placed. */
+
+typedef struct tinsn_stack
+{
+ int ninsn;
+ TInsn insn[MAX_ISTACK];
+} IStack;
+
+
+void istack_init (IStack *);
+bfd_boolean istack_empty (IStack *);
+bfd_boolean istack_full (IStack *);
+TInsn *istack_top (IStack *);
+void istack_push (IStack *, TInsn *);
+TInsn *istack_push_space (IStack *);
+void istack_pop (IStack *);
+
+/* TInsn utilities. */
+void tinsn_init (TInsn *);
+
+
+/* vliw_insn: bundles of TInsns. */
+
+typedef struct vliw_insn
+{
+ xtensa_format format;
+ int num_slots;
+ unsigned int inside_bundle;
+ TInsn slots[MAX_SLOTS];
+ xtensa_insnbuf insnbuf;
+ xtensa_insnbuf slotbuf[MAX_SLOTS];
+} vliw_insn;
+
+#endif /* !XTENSA_ISTACK_H */