1 /* $Id: sigcontext.h,v 1.12 1999/09/06 08:22:09 jj Exp $ */ 2 #ifndef __SPARC64_SIGCONTEXT_H 3 #define __SPARC64_SIGCONTEXT_H 4 5 #ifdef __KERNEL__ 6 #include <asm/ptrace.h> 7 #endif 8 9 #ifndef __ASSEMBLY__ 10 11 #ifdef __KERNEL__ 12 13 #define __SUNOS_MAXWIN 31 14 15 /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ 16 struct sigcontext32 { 17 int sigc_onstack; /* state to restore */ 18 int sigc_mask; /* sigmask to restore */ 19 int sigc_sp; /* stack pointer */ 20 int sigc_pc; /* program counter */ 21 int sigc_npc; /* next program counter */ 22 int sigc_psr; /* for condition codes etc */ 23 int sigc_g1; /* User uses these two registers */ 24 int sigc_o0; /* within the trampoline code. */ 25 26 /* Now comes information regarding the users window set 27 * at the time of the signal. 28 */ 29 int sigc_oswins; /* outstanding windows */ 30 31 /* stack ptrs for each regwin buf */ 32 unsigned sigc_spbuf[__SUNOS_MAXWIN]; 33 34 /* Windows to restore after signal */ 35 struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; 36 }; 37 38 #endif 39 40 #ifdef __KERNEL__ 41 42 /* This is what we use for 32bit new non-rt signals. */ 43 44 typedef struct { 45 struct { 46 unsigned int psr; 47 unsigned int pc; 48 unsigned int npc; 49 unsigned int y; 50 unsigned int u_regs[16]; /* globals and ins */ 51 } si_regs; 52 int si_mask; 53 } __siginfo32_t; 54 55 #endif 56 57 typedef struct { 58 unsigned int si_float_regs [64]; 59 unsigned long si_fsr; 60 unsigned long si_gsr; 61 unsigned long si_fprs; 62 } __siginfo_fpu_t; 63 64 /* This is what SunOS doesn't, so we have to write this alone 65 and do it properly. */ 66 struct sigcontext { 67 /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ 68 char sigc_info[128]; 69 struct { 70 unsigned long u_regs[16]; /* globals and ins */ 71 unsigned long tstate; 72 unsigned long tpc; 73 unsigned long tnpc; 74 unsigned int y; 75 unsigned int fprs; 76 } sigc_regs; 77 __siginfo_fpu_t * sigc_fpu_save; 78 struct { 79 void * ss_sp; 80 int ss_flags; 81 unsigned long ss_size; 82 } sigc_stack; 83 unsigned long sigc_mask; 84 }; 85 86 #endif /* !(__ASSEMBLY__) */ 87 88 #endif /* !(__SPARC64_SIGCONTEXT_H) */ 89