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Diffstat (limited to 'sysdeps/mach/hurd/i386/exc2signal.c')
-rw-r--r--sysdeps/mach/hurd/i386/exc2signal.c95
1 files changed, 47 insertions, 48 deletions
diff --git a/sysdeps/mach/hurd/i386/exc2signal.c b/sysdeps/mach/hurd/i386/exc2signal.c
index 19f845a49e..10fe500f82 100644
--- a/sysdeps/mach/hurd/i386/exc2signal.c
+++ b/sysdeps/mach/hurd/i386/exc2signal.c
@@ -1,5 +1,5 @@
/* Translate Mach exception codes into signal numbers. i386 version.
-Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc.
+Copyright (C) 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -25,48 +25,47 @@ Cambridge, MA 02139, USA. */
into a signal number and signal subcode. */
void
-_hurd_exception2signal (int exception, int code, int subcode,
- int *signo, long int *sigcode, int *error)
+_hurd_exception2signal (struct hurd_signal_detail *detail, int *signo)
{
- *error = 0;
+ detail->error = 0;
- switch (exception)
+ switch (detail->exc)
{
default:
*signo = SIGIOT;
- *sigcode = exception;
+ detail->code = detail->exc;
break;
-
+
case EXC_BAD_ACCESS:
- if (code == KERN_PROTECTION_FAILURE)
+ if (detail->exc_code == KERN_PROTECTION_FAILURE)
*signo = SIGSEGV;
else
*signo = SIGBUS;
- *sigcode = subcode;
- *error = code;
+ detail->code = detail->exc_subcode;
+ detail->error = detail->exc_code;
break;
case EXC_BAD_INSTRUCTION:
*signo = SIGILL;
- if (code == EXC_I386_INVOP)
- *sigcode = ILL_INVOPR_FAULT;
- else if (code == EXC_I386_STKFLT)
- *sigcode = ILL_STACK_FAULT;
+ if (detail->exc_code == EXC_I386_INVOP)
+ detail->code = ILL_INVOPR_FAULT;
+ else if (detail->exc_code == EXC_I386_STKFLT)
+ detail->code = ILL_STACK_FAULT;
else
- *sigcode = 0;
+ detail->code = 0;
break;
-
+
case EXC_ARITHMETIC:
- switch (code)
+ switch (detail->exc_code)
{
case EXC_I386_DIV: /* integer divide by zero */
*signo = SIGFPE;
- *sigcode = FPE_INTDIV_FAULT;
+ detail->code = FPE_INTDIV_FAULT;
break;
-
+
case EXC_I386_INTO: /* integer overflow */
*signo = SIGFPE;
- *sigcode = FPE_INTOVF_TRAP;
+ detail->code = FPE_INTOVF_TRAP;
break;
/* These aren't anywhere documented or used in Mach 3.0. */
@@ -74,92 +73,92 @@ _hurd_exception2signal (int exception, int code, int subcode,
case EXC_I386_EXTOVR:
default:
*signo = SIGFPE;
- *sigcode = 0;
+ detail->code = 0;
break;
case EXC_I386_EXTERR:
/* Subcode is the fp_status word saved by the hardware.
Give an error code corresponding to the first bit set. */
- if (subcode & FPS_IE)
+ if (detail->exc_subcode & FPS_IE)
{
*signo = SIGILL;
- *sigcode = ILL_FPEOPR_FAULT;
+ detail->code = ILL_FPEOPR_FAULT;
}
- else if (subcode & FPS_DE)
+ else if (detail->exc_subcode & FPS_DE)
{
*signo = SIGFPE;
- *sigcode = FPE_FLTDNR_FAULT;
+ detail->code = FPE_FLTDNR_FAULT;
}
- else if (subcode & FPS_ZE)
+ else if (detail->exc_subcode & FPS_ZE)
{
*signo = SIGFPE;
- *sigcode = FPE_FLTDIV_FAULT;
+ detail->code = FPE_FLTDIV_FAULT;
}
- else if (subcode & FPS_OE)
+ else if (detail->exc_subcode & FPS_OE)
{
*signo = SIGFPE;
- *sigcode = FPE_FLTOVF_FAULT;
+ detail->code = FPE_FLTOVF_FAULT;
}
- else if (subcode & FPS_UE)
+ else if (detail->exc_subcode & FPS_UE)
{
*signo = SIGFPE;
- *sigcode = FPE_FLTUND_FAULT;
+ detail->code = FPE_FLTUND_FAULT;
}
- else if (subcode & FPS_PE)
+ else if (detail->exc_subcode & FPS_PE)
{
*signo = SIGFPE;
- *sigcode = FPE_FLTINX_FAULT;
+ detail->code = FPE_FLTINX_FAULT;
}
else
{
*signo = SIGFPE;
- *sigcode = 0;
+ detail->code = 0;
}
break;
- /* These two can only be arithmetic exceptions if we
+ /* These two can only be arithmetic exceptions if we
are in V86 mode, which sounds like emulation to me.
(See Mach 3.0 i386/trap.c.) */
case EXC_I386_EMERR:
*signo = SIGFPE;
- *sigcode = FPE_EMERR_FAULT;
+ detail->code = FPE_EMERR_FAULT;
break;
case EXC_I386_BOUND:
*signo = SIGFPE;
- *sigcode = FPE_EMBND_FAULT;
+ detail->code = FPE_EMBND_FAULT;
break;
}
break;
- case EXC_EMULATION:
+ case EXC_EMULATION:
/* 3.0 doesn't give this one, why, I don't know. */
*signo = SIGEMT;
- *sigcode = 0;
+ detail->code = 0;
break;
case EXC_SOFTWARE:
/* The only time we get this in Mach 3.0
is for an out of bounds trap. */
- if (code == EXC_I386_BOUND)
+ if (detail->exc_code == EXC_I386_BOUND)
{
*signo = SIGFPE;
- *sigcode = FPE_SUBRNG_FAULT;
+ detail->code = FPE_SUBRNG_FAULT;
}
else
{
*signo = SIGEMT;
- *sigcode = 0;
+ detail->code = 0;
}
break;
-
+
case EXC_BREAKPOINT:
*signo = SIGTRAP;
- if (code == EXC_I386_SGL)
- *sigcode = DBG_SINGLE_TRAP;
- else if (code == EXC_I386_BPT)
- *sigcode = DBG_BRKPNT_FAULT;
+ if (detail->exc_code == EXC_I386_SGL)
+ detail->code = DBG_SINGLE_TRAP;
+ else if (detail->exc_code == EXC_I386_BPT)
+ detail->code = DBG_BRKPNT_FAULT;
else
- *sigcode = 0;
+ detail->code = 0;
break;
}
}