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/*
* 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 */
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