1 /*
2 * linux/asm-sparc/reg.h
3 * Layout of the registers as expected by gdb on the Sparc
4 * we should replace the user.h definitions with those in
5 * this file, we don't even use the other
6 * -miguel
7 *
8 * The names of the structures, constants and aliases in this file
9 * have the same names as the sunos ones, some programs rely on these
10 * names (gdb for example).
11 *
12 */
13
14 #ifndef __SPARC_REG_H
15 #define __SPARC_REG_H
16
17 struct regs {
18 int r_psr;
19 #define r_ps r_psr
20 int r_pc;
21 int r_npc;
22 int r_y;
23 int r_g1;
24 int r_g2;
25 int r_g3;
26 int r_g4;
27 int r_g5;
28 int r_g6;
29 int r_g7;
30 int r_o0;
31 int r_o1;
32 int r_o2;
33 int r_o3;
34 int r_o4;
35 int r_o5;
36 int r_o6;
37 int r_o7;
38 };
39
40 struct fpq {
41 unsigned long *addr;
42 unsigned long instr;
43 };
44
45 struct fq {
46 union {
47 double whole;
48 struct fpq fpq;
49 } FQu;
50 };
51
52 #define FPU_REGS_TYPE unsigned int
53 #define FPU_FSR_TYPE unsigned
54
55 struct fp_status {
56 union {
57 FPU_REGS_TYPE Fpu_regs[32];
58 double Fpu_dregs[16];
59 } fpu_fr;
60 FPU_FSR_TYPE Fpu_fsr;
61 unsigned Fpu_flags;
62 unsigned Fpu_extra;
63 unsigned Fpu_qcnt;
64 struct fq Fpu_q[16];
65 };
66
67 #define fpu_regs f_fpstatus.fpu_fr.Fpu_regs
68 #define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs
69 #define fpu_fsr f_fpstatus.Fpu_fsr
70 #define fpu_flags f_fpstatus.Fpu_flags
71 #define fpu_extra f_fpstatus.Fpu_extra
72 #define fpu_q f_fpstatus.Fpu_q
73 #define fpu_qcnt f_fpstatus.Fpu_qcnt
74
75 struct fpu {
76 struct fp_status f_fpstatus;
77 };
78
79 #endif /* __SPARC_REG_H */
80
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