338c858c94
Update the Alpha main loop and sigreturn code: * on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn * handle TARGET_QEMU_ESIGRETURN in the main loop as the indication that the main loop should not touch any guest CPU state Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-13-git-send-email-T.E.Baldwin99@members.leeds.ac.uk Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: tweak commit message; drop TARGET_USE_ERESTARTSYS define; PC is env->pc, not env->ir[IR_PV]] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
#ifndef TARGET_SIGNAL_H
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#define TARGET_SIGNAL_H
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#include "cpu.h"
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/* this struct defines a stack used during syscall handling */
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typedef struct target_sigaltstack {
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abi_ulong ss_sp;
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int32_t ss_flags;
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int32_t dummy;
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abi_ulong ss_size;
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} target_stack_t;
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/*
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* sigaltstack controls
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*/
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#define TARGET_SS_ONSTACK 1
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#define TARGET_SS_DISABLE 2
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#define TARGET_MINSIGSTKSZ 4096
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#define TARGET_SIGSTKSZ 16384
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static inline abi_ulong get_sp_from_cpustate(CPUAlphaState *state)
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{
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return state->ir[IR_SP];
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}
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/* From <asm/gentrap.h>. */
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#define TARGET_GEN_INTOVF -1 /* integer overflow */
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#define TARGET_GEN_INTDIV -2 /* integer division by zero */
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#define TARGET_GEN_FLTOVF -3 /* fp overflow */
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#define TARGET_GEN_FLTDIV -4 /* fp division by zero */
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#define TARGET_GEN_FLTUND -5 /* fp underflow */
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#define TARGET_GEN_FLTINV -6 /* invalid fp operand */
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#define TARGET_GEN_FLTINE -7 /* inexact fp operand */
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#define TARGET_GEN_DECOVF -8 /* decimal overflow (for COBOL??) */
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#define TARGET_GEN_DECDIV -9 /* decimal division by zero */
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#define TARGET_GEN_DECINV -10 /* invalid decimal operand */
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#define TARGET_GEN_ROPRAND -11 /* reserved operand */
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#define TARGET_GEN_ASSERTERR -12 /* assertion error */
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#define TARGET_GEN_NULPTRERR -13 /* null pointer error */
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#define TARGET_GEN_STKOVF -14 /* stack overflow */
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#define TARGET_GEN_STRLENERR -15 /* string length error */
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#define TARGET_GEN_SUBSTRERR -16 /* substring error */
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#define TARGET_GEN_RANGERR -17 /* range error */
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#define TARGET_GEN_SUBRNG -18
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#define TARGET_GEN_SUBRNG1 -19
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#define TARGET_GEN_SUBRNG2 -20
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#define TARGET_GEN_SUBRNG3 -21
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#define TARGET_GEN_SUBRNG4 -22
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#define TARGET_GEN_SUBRNG5 -23
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#define TARGET_GEN_SUBRNG6 -24
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#define TARGET_GEN_SUBRNG7 -25
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#endif /* TARGET_SIGNAL_H */
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