2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief declarations for SPARC backend -- private header
25 #ifndef FIRM_BE_SPARC_BEARCH_SPARC_T_H
26 #define FIRM_BE_SPARC_BEARCH_SPARC_T_H
29 #include "sparc_nodes_attr.h"
32 typedef struct sparc_transform_env_t sparc_transform_env_t;
33 typedef struct sparc_isa_t sparc_isa_t;
35 typedef struct sparc_code_gen_t {
36 const arch_code_generator_if_t *impl; /**< implementation */
37 ir_graph *irg; /**< current irg */
38 sparc_isa_t *isa; /**< the isa instance */
39 bool dump; /**< set to 1 if graphs should
44 arch_env_t base; /**< must be derived from arch_env_t */
45 sparc_code_gen_t *cg; /**< current code generator */
49 * this is a struct to minimize the number of parameters
50 * for transformation walker
52 struct sparc_transform_env_t {
53 dbg_info *dbg; /**< The node debug info */
54 ir_graph *irg; /**< The irg, the node should be created in */
55 ir_node *block; /**< The block, the node should belong to */
56 ir_node *irn; /**< The irn, to be transformed */
57 ir_mode *mode; /**< The mode of the irn */
60 void sparc_finish_irg(sparc_code_gen_t *cg);
63 * Sparc ABI requires some space which is always available at the top of
64 * the stack. It contains:
65 * 16*4 bytes space for spilling the register window
66 * 1*4 byte holding a pointer to space for agregate returns (the space is
67 * always reserved, regardless wether we have an agregate return
69 * 6*4 bytes Space for spilling parameters 0-5. For the cases when someone
70 * takes the adress of a parameter. I guess this is also there so
71 * the implementation of va_args gets easier -> We can simply store
72 * param 0-5 in this spaces and then handle va_next by simply
73 * incrementing the stack pointer
75 #define SPARC_MIN_STACKSIZE 92