source: trunk/libs/newlib/src/libgloss/sparc_leon/asm-leon/leonstack.h @ 478

Last change on this file since 478 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 4.3 KB
Line 
1/*
2 * Copyright (c) 2011 Aeroflex Gaisler
3 *
4 * BSD license:
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25
26#ifndef _INCLUDE_LEON_STACK_h
27#define _INCLUDE_LEON_STACK_h
28
29#ifndef __ASSEMBLER__
30
31#ifdef __cplusplus
32extern "C"
33{
34#endif
35
36/* process trap regs */
37  struct leonbare_pt_regs
38  {
39    unsigned long psr;
40    unsigned long pc;
41    unsigned long npc;
42    unsigned long y;
43    unsigned long u_regs[16];   /* globals and ins */
44  };
45#define PT_REGS_SZ   sizeof(struct leonbare_pt_regs)
46
47/* A Sparc stack frame */
48  struct sparc_stackframe_regs
49  {
50    unsigned long sf_locals[8];
51    unsigned long sf_ins[6];
52    struct sparc_stackframe_regs *sf_fp;
53    unsigned long sf_callers_pc;
54    char *sf_structptr;
55    unsigned long sf_xargs[6];
56    unsigned long sf_xxargs[1];
57  };
58#define SF_REGS_SZ sizeof(struct sparc_stackframe_regs)
59
60/* A register window */
61  struct sparc_regwindow_regs
62  {
63    unsigned long locals[8];
64    unsigned long ins[8];
65  };
66#define RW_REGS_SZ sizeof(struct sparc_regwindow_regs)
67
68/* A fpu window */
69  struct sparc_fpuwindow_regs
70  {
71    unsigned long locals[32];
72    unsigned long fsr;
73    unsigned long dummy;
74    unsigned long irqpsr;
75    unsigned long lastctx;
76  };
77#define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs)
78
79#ifdef __cplusplus
80}
81#endif
82
83#else
84#define PT_REGS_SZ     0x50     /* 20*4 */
85#define SF_REGS_SZ     0x60     /* 24*4 */
86#define RW_REGS_SZ     0x20     /* 16*4 */
87#define FW_REGS_SZ     0x90     /* 36*4 */
88#endif /* !ASM */
89
90/* These are for pt_regs. */
91#define PT_PSR    0x0
92#define PT_PC     0x4
93#define PT_NPC    0x8
94#define PT_Y      0xc
95#define PT_G0     0x10
96#define PT_WIM    PT_G0
97#define PT_G1     0x14
98#define PT_G2     0x18
99#define PT_G3     0x1c
100#define PT_G4     0x20
101#define PT_G5     0x24
102#define PT_G6     0x28
103#define PT_G7     0x2c
104#define PT_I0     0x30
105#define PT_I1     0x34
106#define PT_I2     0x38
107#define PT_I3     0x3c
108#define PT_I4     0x40
109#define PT_I5     0x44
110#define PT_I6     0x48
111#define PT_FP     PT_I6
112#define PT_I7     0x4c
113
114/* Stack_frame offsets */
115#define SF_L0     0x00
116#define SF_L1     0x04
117#define SF_L2     0x08
118#define SF_L3     0x0c
119#define SF_L4     0x10
120#define SF_L5     0x14
121#define SF_L6     0x18
122#define SF_L7     0x1c
123#define SF_I0     0x20
124#define SF_I1     0x24
125#define SF_I2     0x28
126#define SF_I3     0x2c
127#define SF_I4     0x30
128#define SF_I5     0x34
129#define SF_FP     0x38
130#define SF_PC     0x3c
131#define SF_RETP   0x40
132#define SF_XARG0  0x44
133#define SF_XARG1  0x48
134#define SF_XARG2  0x4c
135#define SF_XARG3  0x50
136#define SF_XARG4  0x54
137#define SF_XARG5  0x58
138#define SF_XXARG  0x5c
139
140/* Reg_window offsets */
141#define RW_L0     0x00
142#define RW_L1     0x04
143#define RW_L2     0x08
144#define RW_L3     0x0c
145#define RW_L4     0x10
146#define RW_L5     0x14
147#define RW_L6     0x18
148#define RW_L7     0x1c
149#define RW_I0     0x20
150#define RW_I1     0x24
151#define RW_I2     0x28
152#define RW_I3     0x2c
153#define RW_I4     0x30
154#define RW_I5     0x34
155#define RW_I6     0x38
156#define RW_I7     0x3c
157
158/* Fpu_window offsets */
159#define FW_F0     0x00
160#define FW_F2     0x08
161#define FW_F4     0x10
162#define FW_F6     0x18
163#define FW_F8     0x20
164#define FW_F10    0x28
165#define FW_F12    0x30
166#define FW_F14    0x38
167#define FW_F16    0x40
168#define FW_F18    0x48
169#define FW_F20    0x50
170#define FW_F22    0x58
171#define FW_F24    0x60
172#define FW_F26    0x68
173#define FW_F28    0x70
174#define FW_F30    0x78
175#define FW_FSR    0x80
176
177#endif /* !_INCLUDE_LEON_STACK_h */
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