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alpha-linux-user: Implement signals.

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Move userland PALcode handling into linux-user main loop so that
we can send signals from there.  This also makes alpha_palcode.c
system-level only, so don't build it for userland.  Add defines
for GENTRAP PALcall mapping to signals.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-27 18:30:03 -08:00 • committed by Aurelien Jarno
parent f24518b502
commit 6049f4f831
9 changed files with 489 additions and 117 deletions
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27
linux-user/alpha/target_signal.h
View file

@ -26,4 +26,31 @@ static inline abi_ulong get_sp_from_cpustate(CPUAlphaState *state)
return state->ir[IR_SP];
}
/* From <asm/gentrap.h>. */
#define TARGET_GEN_INTOVF -1 /* integer overflow */
#define TARGET_GEN_INTDIV -2 /* integer division by zero */
#define TARGET_GEN_FLTOVF -3 /* fp overflow */
#define TARGET_GEN_FLTDIV -4 /* fp division by zero */
#define TARGET_GEN_FLTUND -5 /* fp underflow */
#define TARGET_GEN_FLTINV -6 /* invalid fp operand */
#define TARGET_GEN_FLTINE -7 /* inexact fp operand */
#define TARGET_GEN_DECOVF -8 /* decimal overflow (for COBOL??) */
#define TARGET_GEN_DECDIV -9 /* decimal division by zero */
#define TARGET_GEN_DECINV -10 /* invalid decimal operand */
#define TARGET_GEN_ROPRAND -11 /* reserved operand */
#define TARGET_GEN_ASSERTERR -12 /* assertion error */
#define TARGET_GEN_NULPTRERR -13 /* null pointer error */
#define TARGET_GEN_STKOVF -14 /* stack overflow */
#define TARGET_GEN_STRLENERR -15 /* string length error */
#define TARGET_GEN_SUBSTRERR -16 /* substring error */
#define TARGET_GEN_RANGERR -17 /* range error */
#define TARGET_GEN_SUBRNG -18
#define TARGET_GEN_SUBRNG1 -19
#define TARGET_GEN_SUBRNG2 -20
#define TARGET_GEN_SUBRNG3 -21
#define TARGET_GEN_SUBRNG4 -22
#define TARGET_GEN_SUBRNG5 -23
#define TARGET_GEN_SUBRNG6 -24
#define TARGET_GEN_SUBRNG7 -25
#endif /* TARGET_SIGNAL_H */