/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SPARC_SIGCONTEXT_H
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#define __SPARC_SIGCONTEXT_H
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#include <asm/ptrace.h>
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#include <uapi/asm/sigcontext.h>
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#ifndef __ASSEMBLY__
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#define __SUNOS_MAXWIN 31
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/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
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struct sigcontext32 {
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int sigc_onstack; /* state to restore */
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int sigc_mask; /* sigmask to restore */
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int sigc_sp; /* stack pointer */
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int sigc_pc; /* program counter */
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int sigc_npc; /* next program counter */
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int sigc_psr; /* for condition codes etc */
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int sigc_g1; /* User uses these two registers */
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int sigc_o0; /* within the trampoline code. */
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/* Now comes information regarding the users window set
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* at the time of the signal.
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*/
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int sigc_oswins; /* outstanding windows */
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/* stack ptrs for each regwin buf */
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unsigned int sigc_spbuf[__SUNOS_MAXWIN];
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/* Windows to restore after signal */
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struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
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};
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/* This is what we use for 32bit new non-rt signals. */
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typedef struct {
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struct {
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unsigned int psr;
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unsigned int pc;
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unsigned int npc;
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unsigned int y;
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unsigned int u_regs[16]; /* globals and ins */
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} si_regs;
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int si_mask;
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} __siginfo32_t;
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#define __SIGC_MAXWIN 7
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typedef struct {
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unsigned long locals[8];
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unsigned long ins[8];
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} __siginfo_reg_window;
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typedef struct {
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int wsaved;
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__siginfo_reg_window reg_window[__SIGC_MAXWIN];
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unsigned long rwbuf_stkptrs[__SIGC_MAXWIN];
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} __siginfo_rwin_t;
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#ifdef CONFIG_SPARC64
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typedef struct {
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unsigned int si_float_regs [64];
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unsigned long si_fsr;
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unsigned long si_gsr;
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unsigned long si_fprs;
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} __siginfo_fpu_t;
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/* This is what SunOS doesn't, so we have to write this alone
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and do it properly. */
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struct sigcontext {
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/* The size of this array has to match SI_MAX_SIZE from siginfo.h */
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char sigc_info[128];
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struct {
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unsigned long u_regs[16]; /* globals and ins */
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unsigned long tstate;
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unsigned long tpc;
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unsigned long tnpc;
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unsigned int y;
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unsigned int fprs;
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} sigc_regs;
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__siginfo_fpu_t * sigc_fpu_save;
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struct {
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void * ss_sp;
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int ss_flags;
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unsigned long ss_size;
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} sigc_stack;
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unsigned long sigc_mask;
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__siginfo_rwin_t * sigc_rwin_save;
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};
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#else
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typedef struct {
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unsigned long si_float_regs [32];
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unsigned long si_fsr;
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unsigned long si_fpqdepth;
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struct {
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unsigned long *insn_addr;
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unsigned long insn;
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} si_fpqueue [16];
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} __siginfo_fpu_t;
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#endif /* (CONFIG_SPARC64) */
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#endif /* !(__ASSEMBLY__) */
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#endif /* !(__SPARC_SIGCONTEXT_H) */
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