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/*
* File : finsh_api.h
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef FINSH_API_H__
#define FINSH_API_H__
#if defined(_MSC_VER)
#pragma section("FSymTab$f",read)
#pragma section("VSymTab",read)
#endif
typedef long (*syscall_func)(void);
/* system call table */
struct finsh_syscall
{
const char* name; /* the name of system call */
#if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
const char* desc; /* description of system call */
#endif
syscall_func func; /* the function address of system call */
};
extern struct finsh_syscall *_syscall_table_begin, *_syscall_table_end;
/* find out system call, which should be implemented in user program */
struct finsh_syscall* finsh_syscall_lookup(const char* name);
#ifdef FINSH_USING_SYMTAB
#ifdef __TI_COMPILER_VERSION__
#define __TI_FINSH_EXPORT_FUNCTION(f) PRAGMA(DATA_SECTION(f,"FSymTab"))
#define __TI_FINSH_EXPORT_VAR(v) PRAGMA(DATA_SECTION(v,"VSymTab"))
#endif
#ifdef FINSH_USING_DESCRIPTION
#ifdef _MSC_VER
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
const char __fsym_##cmd##_desc[] = #desc; \
__declspec(allocate("FSymTab$f")) \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#pragma comment(linker, "/merge:FSymTab=mytext")
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
const char __vsym_##name##_desc[] = #desc; \
__declspec(allocate("VSymTab")) \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#elif defined(__TI_COMPILER_VERSION__)
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
const char __fsym_##cmd##_name[] = #cmd; \
const char __fsym_##cmd##_desc[] = #desc; \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
__TI_FINSH_EXPORT_VAR(__vsym_##name); \
const char __vsym_##name##_name[] = #name; \
const char __vsym_##name##_desc[] = #desc; \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#else
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] SECTION(".rodata.name") = #cmd; \
const char __fsym_##cmd##_desc[] SECTION(".rodata.name") = #desc; \
const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] SECTION(".rodata.name") = #name; \
const char __vsym_##name##_desc[] SECTION(".rodata.name") = #desc; \
const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#endif
#else
#ifdef _MSC_VER
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
__declspec(allocate("FSymTab$f")) \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#pragma comment(linker, "/merge:FSymTab=mytext")
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
__declspec(allocate("VSymTab")) const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#elif defined(__TI_COMPILER_VERSION__)
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
const char __fsym_##cmd##_name[] = #cmd; \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
__TI_FINSH_EXPORT_VAR(__vsym_##name); \
const char __vsym_##name##_name[] = #name; \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#else
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#endif
#endif /* end of FINSH_USING_DESCRIPTION */
#endif /* end of FINSH_USING_SYMTAB */
/**
* @ingroup finsh
*
* This macro exports a system function to finsh shell.
*
* @param name the name of function.
* @param desc the description of function, which will show in help.
*/
#define FINSH_FUNCTION_EXPORT(name, desc) \
FINSH_FUNCTION_EXPORT_CMD(name, name, desc)
/**
* @ingroup finsh
*
* This macro exports a system function with an alias name to finsh shell.
*
* @param name the name of function.
* @param alias the alias name of function.
* @param desc the description of function, which will show in help.
*/
#define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc) \
FINSH_FUNCTION_EXPORT_CMD(name, alias, desc)
/**
* @ingroup finsh
*
* This macro exports a command to module shell.
*
* @param command the name of command.
* @param desc the description of command, which will show in help.
*/
#ifdef FINSH_USING_MSH
#define MSH_CMD_EXPORT(command, desc) \
FINSH_FUNCTION_EXPORT_CMD(command, __cmd_##command, desc)
#define MSH_CMD_EXPORT_ALIAS(command, alias, desc) \
FINSH_FUNCTION_EXPORT_ALIAS(command, __cmd_##alias, desc)
#else
#define MSH_CMD_EXPORT(command, desc)
#define MSH_CMD_EXPORT_ALIAS(command, alias, desc)
#endif
#endif
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