1/*
2 * linux/include/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
17struct 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
40struct fpq {
41        unsigned long *addr;
42        unsigned long instr;
43};
44
45struct  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
55struct 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
75struct fpu {
76        struct fp_status f_fpstatus;
77};
78
79#endif /* __SPARC_REG_H */
80