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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
bd703d88 SR |
2 | #ifndef __SPARC_SIGCONTEXT_H |
3 | #define __SPARC_SIGCONTEXT_H | |
4 | ||
bd703d88 | 5 | #include <asm/ptrace.h> |
54579826 | 6 | #include <uapi/asm/sigcontext.h> |
bd703d88 SR |
7 | |
8 | #ifndef __ASSEMBLY__ | |
9 | ||
10 | #define __SUNOS_MAXWIN 31 | |
11 | ||
12 | /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ | |
13 | struct sigcontext32 { | |
14 | int sigc_onstack; /* state to restore */ | |
15 | int sigc_mask; /* sigmask to restore */ | |
16 | int sigc_sp; /* stack pointer */ | |
17 | int sigc_pc; /* program counter */ | |
18 | int sigc_npc; /* next program counter */ | |
19 | int sigc_psr; /* for condition codes etc */ | |
20 | int sigc_g1; /* User uses these two registers */ | |
21 | int sigc_o0; /* within the trampoline code. */ | |
22 | ||
23 | /* Now comes information regarding the users window set | |
24 | * at the time of the signal. | |
25 | */ | |
26 | int sigc_oswins; /* outstanding windows */ | |
27 | ||
28 | /* stack ptrs for each regwin buf */ | |
9ef595d8 | 29 | unsigned int sigc_spbuf[__SUNOS_MAXWIN]; |
bd703d88 SR |
30 | |
31 | /* Windows to restore after signal */ | |
32 | struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; | |
33 | }; | |
34 | ||
35 | ||
36 | /* This is what we use for 32bit new non-rt signals. */ | |
37 | ||
38 | typedef struct { | |
39 | struct { | |
40 | unsigned int psr; | |
41 | unsigned int pc; | |
42 | unsigned int npc; | |
43 | unsigned int y; | |
44 | unsigned int u_regs[16]; /* globals and ins */ | |
45 | } si_regs; | |
46 | int si_mask; | |
47 | } __siginfo32_t; | |
48 | ||
5598473a DM |
49 | #define __SIGC_MAXWIN 7 |
50 | ||
51 | typedef struct { | |
52 | unsigned long locals[8]; | |
53 | unsigned long ins[8]; | |
54 | } __siginfo_reg_window; | |
55 | ||
56 | typedef struct { | |
57 | int wsaved; | |
58 | __siginfo_reg_window reg_window[__SIGC_MAXWIN]; | |
59 | unsigned long rwbuf_stkptrs[__SIGC_MAXWIN]; | |
60 | } __siginfo_rwin_t; | |
61 | ||
bd703d88 SR |
62 | #ifdef CONFIG_SPARC64 |
63 | typedef struct { | |
64 | unsigned int si_float_regs [64]; | |
65 | unsigned long si_fsr; | |
66 | unsigned long si_gsr; | |
67 | unsigned long si_fprs; | |
68 | } __siginfo_fpu_t; | |
69 | ||
70 | /* This is what SunOS doesn't, so we have to write this alone | |
71 | and do it properly. */ | |
72 | struct sigcontext { | |
73 | /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ | |
74 | char sigc_info[128]; | |
75 | struct { | |
76 | unsigned long u_regs[16]; /* globals and ins */ | |
77 | unsigned long tstate; | |
78 | unsigned long tpc; | |
79 | unsigned long tnpc; | |
80 | unsigned int y; | |
81 | unsigned int fprs; | |
82 | } sigc_regs; | |
83 | __siginfo_fpu_t * sigc_fpu_save; | |
84 | struct { | |
85 | void * ss_sp; | |
86 | int ss_flags; | |
87 | unsigned long ss_size; | |
88 | } sigc_stack; | |
89 | unsigned long sigc_mask; | |
5598473a | 90 | __siginfo_rwin_t * sigc_rwin_save; |
bd703d88 SR |
91 | }; |
92 | ||
f5e706ad | 93 | #else |
bd703d88 SR |
94 | |
95 | typedef struct { | |
96 | unsigned long si_float_regs [32]; | |
97 | unsigned long si_fsr; | |
98 | unsigned long si_fpqdepth; | |
99 | struct { | |
100 | unsigned long *insn_addr; | |
101 | unsigned long insn; | |
102 | } si_fpqueue [16]; | |
103 | } __siginfo_fpu_t; | |
104 | #endif /* (CONFIG_SPARC64) */ | |
105 | ||
106 | ||
107 | #endif /* !(__ASSEMBLY__) */ | |
108 | ||
bd703d88 | 109 | #endif /* !(__SPARC_SIGCONTEXT_H) */ |