diff options
Diffstat (limited to 'sysdeps/mach/hurd/i386/bits/sigcontext.h')
| -rw-r--r-- | sysdeps/mach/hurd/i386/bits/sigcontext.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/sysdeps/mach/hurd/i386/bits/sigcontext.h b/sysdeps/mach/hurd/i386/bits/sigcontext.h deleted file mode 100644 index 3d5a6736aa..0000000000 --- a/sysdeps/mach/hurd/i386/bits/sigcontext.h +++ /dev/null @@ -1,121 +0,0 @@ -/* Machine-dependent signal context structure for GNU Hurd. i386 version. - Copyright (C) 1991-2017 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 - <http://www.gnu.org/licenses/>. */ - -#ifndef _BITS_SIGCONTEXT_H -#define _BITS_SIGCONTEXT_H 1 - -#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H -# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead." -#endif - -/* Signal handlers are actually called: - void handler (int sig, int code, struct sigcontext *scp); */ - -#include <bits/types/__sigset_t.h> -#include <mach/machine/fp_reg.h> - -/* State of this thread when the signal was taken. */ -struct sigcontext - { - /* These first members are machine-independent. */ - - int sc_onstack; /* Nonzero if running on sigstack. */ - __sigset_t sc_mask; /* Blocked signals to restore. */ - - /* MiG reply port this thread is using. */ - unsigned int sc_reply_port; - - /* Port this thread is doing an interruptible RPC on. */ - unsigned int sc_intr_port; - - /* Error code associated with this signal (interpreted as `error_t'). */ - int sc_error; - - /* All following members are machine-dependent. The rest of this - structure is written to be laid out identically to: - { - struct i386_thread_state basic; - struct i386_float_state fpu; - } - trampoline.c knows this, so it must be changed if this changes. */ - -#define sc_i386_thread_state sc_gs /* Beginning of correspondence. */ - /* Segment registers. */ - int sc_gs; - int sc_fs; - int sc_es; - int sc_ds; - - /* "General" registers. These members are in the order that the i386 - `pusha' and `popa' instructions use (`popa' ignores %esp). */ - int sc_edi; - int sc_esi; - int sc_ebp; - int sc_esp; /* Not used; sc_uesp is used instead. */ - int sc_ebx; - int sc_edx; - int sc_ecx; - int sc_eax; - - int sc_eip; /* Instruction pointer. */ - int sc_cs; /* Code segment register. */ - - int sc_efl; /* Processor flags. */ - - int sc_uesp; /* This stack pointer is used. */ - int sc_ss; /* Stack segment register. */ - - /* Following mimics struct i386_float_state. Structures and symbolic - values can be found in <mach/i386/fp_reg.h>. */ -#define sc_i386_float_state sc_fpkind - int sc_fpkind; /* FP_NO, FP_387, etc. */ - int sc_fpused; /* If zero, ignore rest of float state. */ - struct i386_fp_save sc_fpsave; - struct i386_fp_regs sc_fpregs; - int sc_fpexcsr; /* FPSR including exception bits. */ - }; - -/* Traditional BSD names for some members. */ -#define sc_sp sc_uesp /* Stack pointer. */ -#define sc_fp sc_ebp /* Frame pointer. */ -#define sc_pc sc_eip /* Process counter. */ -#define sc_ps sc_efl - - -/* Codes for SIGFPE. */ -#define FPE_INTOVF_TRAP 0x1 /* integer overflow */ -#define FPE_INTDIV_FAULT 0x2 /* integer divide by zero */ -#define FPE_FLTOVF_FAULT 0x3 /* floating overflow */ -#define FPE_FLTDIV_FAULT 0x4 /* floating divide by zero */ -#define FPE_FLTUND_FAULT 0x5 /* floating underflow */ -#define FPE_SUBRNG_FAULT 0x7 /* BOUNDS instruction failed */ -#define FPE_FLTDNR_FAULT 0x8 /* denormalized operand */ -#define FPE_FLTINX_FAULT 0x9 /* floating loss of precision */ -#define FPE_EMERR_FAULT 0xa /* mysterious emulation error 33 */ -#define FPE_EMBND_FAULT 0xb /* emulation BOUNDS instruction failed */ - -/* Codes for SIGILL. */ -#define ILL_INVOPR_FAULT 0x1 /* invalid operation */ -#define ILL_STACK_FAULT 0x2 /* fault on microkernel stack access */ -#define ILL_FPEOPR_FAULT 0x3 /* invalid floating operation */ - -/* Codes for SIGTRAP. */ -#define DBG_SINGLE_TRAP 0x1 /* single step */ -#define DBG_BRKPNT_FAULT 0x2 /* breakpoint instruction */ - -#endif /* bits/sigcontext.h */ |