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/*
* User-only accessor function support
*
* Generate inline load/store functions for one data size.
*
* Generate a store function as well as signed and unsigned loads.
*
* Not used directly but included from cpu_ldst.h.
*
* Copyright (c) 2015 Linaro Limited
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if !defined(CODE_ACCESS)
#include "trace-root.h"
#endif
#include "trace/mem.h"
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#define SHIFT 3
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#define SHIFT 2
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#define SHIFT 1
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#define SHIFT 0
#else
#error unsupported data size
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
#define RES_TYPE uint32_t
#endif
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
{
#ifdef CODE_ACCESS
RES_TYPE ret;
set_helper_retaddr(1);
ret = glue(glue(ld, USUFFIX), _p)(g2h(ptr));
clear_helper_retaddr();
return ret;
#else
trace_guest_mem_before_exec(
env_cpu(env), ptr,
trace_mem_build_info(SHIFT, false, MO_TE, false, MMU_USER_IDX));
return glue(glue(ld, USUFFIX), _p)(g2h(ptr));
#endif
}
#ifndef CODE_ACCESS
static inline RES_TYPE
glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
uintptr_t retaddr)
{
RES_TYPE ret;
set_helper_retaddr(retaddr);
ret = glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(env, ptr);
clear_helper_retaddr();
return ret;
}
#endif
#if DATA_SIZE <= 2
static inline int
glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
{
#ifdef CODE_ACCESS
int ret;
set_helper_retaddr(1);
ret = glue(glue(lds, SUFFIX), _p)(g2h(ptr));
clear_helper_retaddr();
return ret;
#else
trace_guest_mem_before_exec(
env_cpu(env), ptr,
trace_mem_build_info(SHIFT, true, MO_TE, false, MMU_USER_IDX));
return glue(glue(lds, SUFFIX), _p)(g2h(ptr));
#endif
}
#ifndef CODE_ACCESS
static inline int
glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
uintptr_t retaddr)
{
int ret;
set_helper_retaddr(retaddr);
ret = glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(env, ptr);
clear_helper_retaddr();
return ret;
}
#endif /* CODE_ACCESS */
#endif /* DATA_SIZE <= 2 */
#ifndef CODE_ACCESS
static inline void
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr,
RES_TYPE v)
{
trace_guest_mem_before_exec(
env_cpu(env), ptr,
trace_mem_build_info(SHIFT, false, MO_TE, true, MMU_USER_IDX));
glue(glue(st, SUFFIX), _p)(g2h(ptr), v);
}
static inline void
glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
RES_TYPE v,
uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(env, ptr, v);
clear_helper_retaddr();
}
#endif
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef SHIFT
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