[mirror_qemu.git] / bsd-user / arm / target_arch_signal.h

/*
 *  arm signal definitions
 *
 *  Copyright (c) 2013 Stacey D. Son
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TARGET_ARCH_SIGNAL_H
#define TARGET_ARCH_SIGNAL_H

#include "cpu.h"

#define TARGET_REG_R0   0
#define TARGET_REG_R1   1
#define TARGET_REG_R2   2
#define TARGET_REG_R3   3
#define TARGET_REG_R4   4
#define TARGET_REG_R5   5
#define TARGET_REG_R6   6
#define TARGET_REG_R7   7
#define TARGET_REG_R8   8
#define TARGET_REG_R9   9
#define TARGET_REG_R10  10
#define TARGET_REG_R11  11
#define TARGET_REG_R12  12
#define TARGET_REG_R13  13
#define TARGET_REG_R14  14
#define TARGET_REG_R15  15
#define TARGET_REG_CPSR 16
#define TARGET__NGREG   17
/* Convenience synonyms */
#define TARGET_REG_FP   TARGET_REG_R11
#define TARGET_REG_SP   TARGET_REG_R13
#define TARGET_REG_LR   TARGET_REG_R14
#define TARGET_REG_PC   TARGET_REG_R15

#define TARGET_INSN_SIZE    4       /* arm instruction size */

/* Size of the signal trampolin code. See _sigtramp(). */
#define TARGET_SZSIGCODE    ((abi_ulong)(9 * TARGET_INSN_SIZE))

/* compare to arm/include/_limits.h */
#define TARGET_MINSIGSTKSZ  (1024 * 4)                  /* min sig stack size */
#define TARGET_SIGSTKSZ     (TARGET_MINSIGSTKSZ + 32768)  /* recommended size */

/*
 * Floating point register state
 */
typedef struct target_mcontext_vfp {
    abi_ullong  mcv_reg[32];
    abi_ulong   mcv_fpscr;
} target_mcontext_vfp_t;

typedef struct target_mcontext {
    abi_uint    __gregs[TARGET__NGREG];

    /*
     * Originally, rest of this structure was named __fpu, 35 * 4 bytes
     * long, never accessed from kernel.
     */
    abi_ulong   mc_vfp_size;
    abi_ptr     mc_vfp_ptr;
    abi_int     mc_spare[33];
} target_mcontext_t;

#define TARGET_MCONTEXT_SIZE 208
#define TARGET_UCONTEXT_SIZE 260

#include "target_os_ucontext.h"

struct target_sigframe {
    target_siginfo_t    sf_si;  /* saved siginfo */
    target_ucontext_t   sf_uc;  /* saved ucontext */
    target_mcontext_vfp_t sf_vfp; /* actual saved VFP context */
};

#endif /* TARGET_ARCH_SIGNAL_H */
Commit	Line	Data
156d7557 WL	1	/*
	2	* arm signal definitions
	3	*
	4	* Copyright (c) 2013 Stacey D. Son
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	18	*/
9c092804 MA	19
	20	#ifndef TARGET_ARCH_SIGNAL_H
	21	#define TARGET_ARCH_SIGNAL_H
156d7557 WL	22
	23	#include "cpu.h"
	24
	25	#define TARGET_REG_R0 0
	26	#define TARGET_REG_R1 1
	27	#define TARGET_REG_R2 2
	28	#define TARGET_REG_R3 3
	29	#define TARGET_REG_R4 4
	30	#define TARGET_REG_R5 5
	31	#define TARGET_REG_R6 6
	32	#define TARGET_REG_R7 7
	33	#define TARGET_REG_R8 8
	34	#define TARGET_REG_R9 9
	35	#define TARGET_REG_R10 10
	36	#define TARGET_REG_R11 11
	37	#define TARGET_REG_R12 12
	38	#define TARGET_REG_R13 13
	39	#define TARGET_REG_R14 14
	40	#define TARGET_REG_R15 15
	41	#define TARGET_REG_CPSR 16
	42	#define TARGET__NGREG 17
	43	/* Convenience synonyms */
	44	#define TARGET_REG_FP TARGET_REG_R11
	45	#define TARGET_REG_SP TARGET_REG_R13
	46	#define TARGET_REG_LR TARGET_REG_R14
	47	#define TARGET_REG_PC TARGET_REG_R15
	48
	49	#define TARGET_INSN_SIZE 4 /* arm instruction size */
	50
	51	/* Size of the signal trampolin code. See _sigtramp(). */
	52	#define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE))
	53
	54	/* compare to arm/include/_limits.h */
	55	#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */
	56	#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */
	57
03fd4028 WL	58	/*
	59	* Floating point register state
	60	*/
	61	typedef struct target_mcontext_vfp {
	62	abi_ullong mcv_reg[32];
	63	abi_ulong mcv_fpscr;
	64	} target_mcontext_vfp_t;
	65
	66	typedef struct target_mcontext {
	67	abi_uint __gregs[TARGET__NGREG];
	68
	69	/*
	70	* Originally, rest of this structure was named __fpu, 35 * 4 bytes
	71	* long, never accessed from kernel.
	72	*/
	73	abi_ulong mc_vfp_size;
	74	abi_ptr mc_vfp_ptr;
	75	abi_int mc_spare[33];
	76	} target_mcontext_t;
	77
2cb1e643 WL	78	#define TARGET_MCONTEXT_SIZE 208
	79	#define TARGET_UCONTEXT_SIZE 260
	80
03fd4028 WL	81	#include "target_os_ucontext.h"
	82
	83	struct target_sigframe {
	84	target_siginfo_t sf_si; /* saved siginfo */
	85	target_ucontext_t sf_uc; /* saved ucontext */
	86	target_mcontext_vfp_t sf_vfp; /* actual saved VFP context */
	87	};
	88
9c092804	89	#endif /* TARGET_ARCH_SIGNAL_H */