1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SIGCONTEXT_H #define __SPARC_SIGCONTEXT_H #include <asm/ptrace.h> #include <uapi/asm/sigcontext.h> #ifndef __ASSEMBLY__ #define __SUNOS_MAXWIN 31 /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ struct sigcontext32 { int sigc_onstack; /* state to restore */ int sigc_mask; /* sigmask to restore */ int sigc_sp; /* stack pointer */ int sigc_pc; /* program counter */ int sigc_npc; /* next program counter */ int sigc_psr; /* for condition codes etc */ int sigc_g1; /* User uses these two registers */ int sigc_o0; /* within the trampoline code. */ /* Now comes information regarding the users window set * at the time of the signal. */ int sigc_oswins; /* outstanding windows */ /* stack ptrs for each regwin buf */ unsigned int sigc_spbuf[__SUNOS_MAXWIN]; /* Windows to restore after signal */ struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; }; /* This is what we use for 32bit new non-rt signals. */ typedef struct { struct { unsigned int psr; unsigned int pc; unsigned int npc; unsigned int y; unsigned int u_regs[16]; /* globals and ins */ } si_regs; int si_mask; } __siginfo32_t; #define __SIGC_MAXWIN 7 typedef struct { unsigned long locals[8]; unsigned long ins[8]; } __siginfo_reg_window; typedef struct { int wsaved; __siginfo_reg_window reg_window[__SIGC_MAXWIN]; unsigned long rwbuf_stkptrs[__SIGC_MAXWIN]; } __siginfo_rwin_t; #ifdef [31mCONFIG_SPARC64[0m typedef struct { unsigned int si_float_regs [64]; unsigned long si_fsr; unsigned long si_gsr; unsigned long si_fprs; } __siginfo_fpu_t; /* This is what SunOS doesn't, so we have to write this alone and do it properly. */ struct sigcontext { /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ char sigc_info[128]; struct { unsigned long u_regs[16]; /* globals and ins */ unsigned long tstate; unsigned long tpc; unsigned long tnpc; unsigned int y; unsigned int fprs; } sigc_regs; __siginfo_fpu_t * sigc_fpu_save; struct { void * ss_sp; int ss_flags; unsigned long ss_size; } sigc_stack; unsigned long sigc_mask; __siginfo_rwin_t * sigc_rwin_save; }; #else typedef struct { unsigned long si_float_regs [32]; unsigned long si_fsr; unsigned long si_fpqdepth; struct { unsigned long *insn_addr; unsigned long insn; } si_fpqueue [16]; } __siginfo_fpu_t; #endif /* (CONFIG_SPARC64) */ #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_SIGCONTEXT_H) */ |