diff options
Diffstat (limited to 'sysdeps/mach/hurd/i386')
-rw-r--r-- | sysdeps/mach/hurd/i386/exc2signal.c | 196 | ||||
-rw-r--r-- | sysdeps/mach/hurd/i386/signal-defines.sym | 10 |
2 files changed, 0 insertions, 206 deletions
diff --git a/sysdeps/mach/hurd/i386/exc2signal.c b/sysdeps/mach/hurd/i386/exc2signal.c deleted file mode 100644 index c4e705121e..0000000000 --- a/sysdeps/mach/hurd/i386/exc2signal.c +++ /dev/null @@ -1,196 +0,0 @@ -/* Translate Mach exception codes into signal numbers. i386 version. - Copyright (C) 1991-2023 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <hurd.h> -#include <hurd/signal.h> -#include <mach/exception.h> - -/* Translate the Mach exception codes, as received in an `exception_raise' RPC, - into a signal number and signal subcode. */ - -static void -exception2signal (struct hurd_signal_detail *detail, int *signo, int posix) -{ - detail->error = 0; - - switch (detail->exc) - { - default: - *signo = SIGIOT; - detail->code = detail->exc; - break; - - case EXC_BAD_ACCESS: - switch (detail->exc_code) - { - case KERN_INVALID_ADDRESS: - case KERN_MEMORY_FAILURE: - *signo = SIGSEGV; - detail->code = posix ? SEGV_MAPERR : detail->exc_subcode; - break; - - case KERN_PROTECTION_FAILURE: - case KERN_WRITE_PROTECTION_FAILURE: - *signo = SIGSEGV; - detail->code = posix ? SEGV_ACCERR : detail->exc_subcode; - break; - - default: - *signo = SIGBUS; - detail->code = posix ? BUS_ADRERR : detail->exc_subcode; - break; - } - detail->error = detail->exc_code; - break; - - case EXC_BAD_INSTRUCTION: - *signo = SIGILL; - switch (detail->exc_code) - { - case EXC_I386_INVOP: - detail->code = posix ? ILL_ILLOPC : ILL_INVOPR_FAULT; - break; - - case EXC_I386_STKFLT: - detail->code = posix ? ILL_BADSTK : ILL_STACK_FAULT; - break; - - default: - detail->code = 0; - break; - } - break; - - case EXC_ARITHMETIC: - *signo = SIGFPE; - switch (detail->exc_code) - { - case EXC_I386_DIV: /* integer divide by zero */ - detail->code = posix ? FPE_INTDIV : FPE_INTDIV_FAULT; - break; - - case EXC_I386_INTO: /* integer overflow */ - detail->code = posix ? FPE_INTOVF : FPE_INTOVF_TRAP; - break; - - /* These aren't anywhere documented or used in Mach 3.0. */ - case EXC_I386_NOEXT: - case EXC_I386_EXTOVR: - default: - 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 (detail->exc_subcode & FPS_IE) - { - /* NB: We used to send SIGILL here but we can't distinguish - POSIX vs. legacy with respect to what signal we send. */ - detail->code = posix ? FPE_FLTINV : 0 /*ILL_FPEOPR_FAULT*/; - } - else if (detail->exc_subcode & FPS_DE) - { - detail->code = posix ? FPE_FLTUND : FPE_FLTDNR_FAULT; - } - else if (detail->exc_subcode & FPS_ZE) - { - detail->code = posix ? FPE_FLTDIV : FPE_FLTDIV_FAULT; - } - else if (detail->exc_subcode & FPS_OE) - { - detail->code = posix ? FPE_FLTOVF : FPE_FLTOVF_FAULT; - } - else if (detail->exc_subcode & FPS_UE) - { - detail->code = posix ? FPE_FLTUND : FPE_FLTUND_FAULT; - } - else if (detail->exc_subcode & FPS_PE) - { - detail->code = posix ? FPE_FLTRES : FPE_FLTINX_FAULT; - } - else - { - detail->code = 0; - } - break; - - /* These two can only be arithmetic exceptions if we - are in V86 mode. (See Mach 3.0 i386/trap.c.) */ - case EXC_I386_EMERR: - detail->code = posix ? 0 : FPE_EMERR_FAULT; - break; - case EXC_I386_BOUND: - detail->code = posix ? FPE_FLTSUB : FPE_EMBND_FAULT; - break; - } - break; - - case EXC_EMULATION: - /* 3.0 doesn't give this one, why, I don't know. */ - *signo = SIGEMT; - 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 (detail->exc_code == EXC_I386_BOUND) - { - *signo = SIGFPE; - detail->code = posix ? FPE_FLTSUB : FPE_SUBRNG_FAULT; - } - else - { - *signo = SIGEMT; - detail->code = 0; - } - break; - - case EXC_BREAKPOINT: - *signo = SIGTRAP; - switch (detail->exc_code) - { - case EXC_I386_SGL: - detail->code = posix ? TRAP_BRKPT : DBG_SINGLE_TRAP; - break; - - case EXC_I386_BPT: - detail->code = posix ? TRAP_BRKPT : DBG_BRKPNT_FAULT; - break; - - default: - detail->code = 0; - break; - } - break; - } -} -libc_hidden_def (_hurd_exception2signal) - -void -_hurd_exception2signal (struct hurd_signal_detail *detail, int *signo) -{ - exception2signal (detail, signo, 1); -} - -void -_hurd_exception2signal_legacy (struct hurd_signal_detail *detail, int *signo) -{ - exception2signal (detail, signo, 0); -} diff --git a/sysdeps/mach/hurd/i386/signal-defines.sym b/sysdeps/mach/hurd/i386/signal-defines.sym deleted file mode 100644 index e42bbbe061..0000000000 --- a/sysdeps/mach/hurd/i386/signal-defines.sym +++ /dev/null @@ -1,10 +0,0 @@ -#include <hurd/signal.h> -#include <signal.h> - --- - -HURD_SIGSTATE__SIGALTSTACK__OFFSET offsetof(struct hurd_sigstate, sigaltstack) - -SIGALTSTACK__SS_SP__OFFSET offsetof(stack_t, ss_sp) -SIGALTSTACK__SS_SIZE__OFFSET offsetof(stack_t, ss_size) -SIGALTSTACK__SS_FLAGS__OFFSET offsetof(stack_t, ss_flags) |