1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SPARC_SIGCONTEXT_H
3 #define __SPARC_SIGCONTEXT_H
5 #include <asm/ptrace.h>
6 #include <uapi/asm/sigcontext.h>
10 #define __SUNOS_MAXWIN 31
12 /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
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. */
23 /* Now comes information regarding the users window set
24 * at the time of the signal.
26 int sigc_oswins; /* outstanding windows */
28 /* stack ptrs for each regwin buf */
29 unsigned int sigc_spbuf[__SUNOS_MAXWIN];
31 /* Windows to restore after signal */
32 struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
36 /* This is what we use for 32bit new non-rt signals. */
44 unsigned int u_regs[16]; /* globals and ins */
49 #define __SIGC_MAXWIN 7
52 unsigned long locals[8];
54 } __siginfo_reg_window;
58 __siginfo_reg_window reg_window[__SIGC_MAXWIN];
59 unsigned long rwbuf_stkptrs[__SIGC_MAXWIN];
64 unsigned int si_float_regs [64];
67 unsigned long si_fprs;
70 /* This is what SunOS doesn't, so we have to write this alone
71 and do it properly. */
73 /* The size of this array has to match SI_MAX_SIZE from siginfo.h */
76 unsigned long u_regs[16]; /* globals and ins */
83 __siginfo_fpu_t * sigc_fpu_save;
87 unsigned long ss_size;
89 unsigned long sigc_mask;
90 __siginfo_rwin_t * sigc_rwin_save;
96 unsigned long si_float_regs [32];
98 unsigned long si_fpqdepth;
100 unsigned long *insn_addr;
104 #endif /* (CONFIG_SPARC64) */
107 #endif /* !(__ASSEMBLY__) */
109 #endif /* !(__SPARC_SIGCONTEXT_H) */