sigcontext.h File Reference

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Macros
#define	DSISR_WRITE   0x02000000
#define	SC_FAULT_ADDR(sc)
#define	SC_FAULT_WRITE(sc)
#define	SC_IP(sc)   ((sc)->regs->nip)
#define	SC_SP(sc)   ((sc)->regs->gpr[1])
#define	SEGV_IS_FIXABLE(sc)   (1)

Macro Definition Documentation

#define DSISR_WRITE   0x02000000

Definition at line 9 of file sigcontext.h.

#define SC_FAULT_ADDR

(

sc

)

Value:

({ \
		struct sigcontext *_sc = (sc); \
        long retval = -1; \
        switch (_sc->regs->trap) { \
        case 0x300: \
            /* data exception */ \
            retval = _sc->regs->dar; \
            break; \
        case 0x400: \
            /* instruction exception */ \
            retval = _sc->regs->nip; \
            break; \
        default: \
            panic("SC_FAULT_ADDR: unhandled trap type\n"); \
        } \
        retval; \
    })

Definition at line 11 of file sigcontext.h.

#define SC_FAULT_WRITE

(

sc

)

Value:

({ \
		struct sigcontext *_sc = (sc); \
        long retval = -1; \
        switch (_sc->regs->trap) { \
        case 0x300: \
            /* data exception */ \
            retval = !!(_sc->regs->dsisr & DSISR_WRITE); \
            break; \
        case 0x400: \
            /* instruction exception: not a write */ \
            retval = 0; \
            break; \
        default: \
            panic("SC_FAULT_ADDR: unhandled trap type\n"); \
        } \
        retval; \
    })

Definition at line 29 of file sigcontext.h.

#define SC_IP

(

sc

)

((sc)->regs->nip)

Definition at line 47 of file sigcontext.h.

#define SC_SP

(

sc

)

((sc)->regs->gpr[1])

Definition at line 48 of file sigcontext.h.

#define SEGV_IS_FIXABLE

(

sc

)

(1)

Definition at line 49 of file sigcontext.h.