Merge pull request #1751 from RT-Thread/feature_libdl

[Kernel] move module to libc/libdl.
This commit is contained in:
Bernard Xiong
2018-08-31 18:41:16 +08:00
committed by GitHub
29 changed files with 1520 additions and 1625 deletions
-4
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@@ -295,8 +295,4 @@ menu "Kernel Device Object"
endmenu
config RT_USING_MODULE
bool "The dynamic module feature"
default n
endmenu
+8 -8
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@@ -32,6 +32,10 @@
#include <rthw.h>
#include <rtthread.h>
#ifdef RT_USING_MODULE
#include <dlmodule.h>
#endif
#if defined (RT_USING_HOOK)
#ifndef RT_USING_IDLE_HOOK
#define RT_USING_IDLE_HOOK
@@ -158,7 +162,7 @@ void rt_thread_idle_excute(void)
rt_base_t lock;
rt_thread_t thread;
#ifdef RT_USING_MODULE
rt_module_t module = RT_NULL;
struct rt_dlmodule *module = RT_NULL;
#endif
RT_DEBUG_NOT_IN_INTERRUPT;
@@ -173,14 +177,10 @@ void rt_thread_idle_excute(void)
struct rt_thread,
tlist);
#ifdef RT_USING_MODULE
/* get thread's parent module */
module = (rt_module_t)thread->module_id;
/* if the thread is module's main thread */
if (module != RT_NULL && module->module_thread == thread)
module = (struct rt_dlmodule*)thread->module_id;
if (module)
{
/* detach module's main thread */
module->module_thread = RT_NULL;
dlmodule_destroy(module);
}
#endif
/* remove defunct thread */
+7 -6
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@@ -36,6 +36,10 @@
#include <rtthread.h>
#include <rthw.h>
#ifdef RT_USING_MODULE
#include <dlmodule.h>
#endif
/* use precision */
#define RT_PRINTF_PRECISION
@@ -1323,13 +1327,10 @@ void rt_assert_handler(const char *ex_string, const char *func, rt_size_t line)
if (rt_assert_hook == RT_NULL)
{
#ifdef RT_USING_MODULE
if (rt_module_self() != RT_NULL)
if (dlmodule_self())
{
/* unload assertion module */
rt_module_unload(rt_module_self());
/* re-schedule */
rt_schedule();
/* close assertion module */
dlmodule_exit(-1);
}
else
#endif
-1289
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File diff suppressed because it is too large Load Diff
-277
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@@ -1,277 +0,0 @@
/*
* File : module.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, 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
* 2010-01-09 Bernard first version
* 2010-04-09 yi.qiu implement based on first version
*/
#ifndef __MODULE_H__
#define __MODULE_H__
#include <rtdef.h>
typedef rt_uint8_t Elf_Byte;
typedef rt_uint32_t Elf32_Addr; /* Unsigned program address */
typedef rt_uint32_t Elf32_Off; /* Unsigned file offset */
typedef rt_int32_t Elf32_Sword; /* Signed large integer */
typedef rt_uint32_t Elf32_Word; /* Unsigned large integer */
typedef rt_uint16_t Elf32_Half; /* Unsigned medium integer */
/* e_ident[] magic number */
#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
#define RTMMAG "\177RTM" /* magic */
#define ELFMAG "\177ELF" /* magic */
#define SELFMAG 4 /* size of magic */
#define EI_CLASS 4 /* file class */
#define EI_NIDENT 16 /* Size of e_ident[] */
/* e_ident[] file class */
#define ELFCLASSNONE 0 /* invalid */
#define ELFCLASS32 1 /* 32-bit objs */
#define ELFCLASS64 2 /* 64-bit objs */
#define ELFCLASSNUM 3 /* number of classes */
/* e_ident[] data encoding */
#define ELFDATANONE 0 /* invalid */
#define ELFDATA2LSB 1 /* Little-Endian */
#define ELFDATA2MSB 2 /* Big-Endian */
#define ELFDATANUM 3 /* number of data encode defines */
/* e_ident */
#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
#define ET_NONE 0 /* No file type */
#define ET_REL 1 /* Relocatable file */
#define ET_EXEC 2 /* Executable file */
#define ET_DYN 3 /* Shared object file */
#define ET_CORE 4 /* Core file */
/* ELF Header */
typedef struct elfhdr
{
unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
Elf32_Half e_type; /* object file type */
Elf32_Half e_machine; /* machine */
Elf32_Word e_version; /* object file version */
Elf32_Addr e_entry; /* virtual entry point */
Elf32_Off e_phoff; /* program header table offset */
Elf32_Off e_shoff; /* section header table offset */
Elf32_Word e_flags; /* processor-specific flags */
Elf32_Half e_ehsize; /* ELF header size */
Elf32_Half e_phentsize; /* program header entry size */
Elf32_Half e_phnum; /* number of program header entries */
Elf32_Half e_shentsize; /* section header entry size */
Elf32_Half e_shnum; /* number of section header entries */
Elf32_Half e_shstrndx; /* section header table's "section
header string table" entry offset */
} Elf32_Ehdr;
/* Section Header */
typedef struct
{
Elf32_Word sh_name; /* name - index into section header
string table section */
Elf32_Word sh_type; /* type */
Elf32_Word sh_flags; /* flags */
Elf32_Addr sh_addr; /* address */
Elf32_Off sh_offset; /* file offset */
Elf32_Word sh_size; /* section size */
Elf32_Word sh_link; /* section header table index link */
Elf32_Word sh_info; /* extra information */
Elf32_Word sh_addralign; /* address alignment */
Elf32_Word sh_entsize; /* section entry size */
} Elf32_Shdr;
/* Section names */
#define ELF_BSS ".bss" /* uninitialized data */
#define ELF_DATA ".data" /* initialized data */
#define ELF_DEBUG ".debug" /* debug */
#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
#define ELF_DYNSTR ".dynstr" /* dynamic string table */
#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
#define ELF_FINI ".fini" /* termination code */
#define ELF_GOT ".got" /* global offset table */
#define ELF_HASH ".hash" /* symbol hash table */
#define ELF_INIT ".init" /* initialization code */
#define ELF_REL_DATA ".rel.data" /* relocation data */
#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
#define ELF_REL_TEXT ".rel.text" /* relocation code */
#define ELF_RODATA ".rodata" /* read-only data */
#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
#define ELF_STRTAB ".strtab" /* string table */
#define ELF_SYMTAB ".symtab" /* symbol table */
#define ELF_TEXT ".text" /* code */
#define ELF_RTMSYMTAB "RTMSymTab"
/* Symbol Table Entry */
typedef struct elf32_sym
{
Elf32_Word st_name; /* name - index into string table */
Elf32_Addr st_value; /* symbol value */
Elf32_Word st_size; /* symbol size */
unsigned char st_info; /* type and binding */
unsigned char st_other; /* 0 - no defined meaning */
Elf32_Half st_shndx; /* section header index */
} Elf32_Sym;
#define STB_LOCAL 0 /* BIND */
#define STB_GLOBAL 1
#define STB_WEAK 2
#define STB_NUM 3
#define STB_LOPROC 13 /* processor specific range */
#define STB_HIPROC 15
#define STT_NOTYPE 0 /* symbol type is unspecified */
#define STT_OBJECT 1 /* data object */
#define STT_FUNC 2 /* code object */
#define STT_SECTION 3 /* symbol identifies an ELF section */
#define STT_FILE 4 /* symbol's name is file name */
#define STT_COMMON 5 /* common data object */
#define STT_TLS 6 /* thread-local data object */
#define STT_NUM 7 /* # defined types in generic range */
#define STT_LOOS 10 /* OS specific range */
#define STT_HIOS 12
#define STT_LOPROC 13 /* processor specific range */
#define STT_HIPROC 15
#define STN_UNDEF 0 /* undefined */
#define ELF_ST_BIND(info) ((info) >> 4)
#define ELF_ST_TYPE(info) ((info) & 0xf)
#define ELF_ST_INFO(bind, type) (((bind)<<4)+((type)&0xf))
/* Relocation entry with implicit addend */
typedef struct
{
Elf32_Addr r_offset; /* offset of relocation */
Elf32_Word r_info; /* symbol table index and type */
} Elf32_Rel;
/* Relocation entry with explicit addend */
typedef struct
{
Elf32_Addr r_offset; /* offset of relocation */
Elf32_Word r_info; /* symbol table index and type */
Elf32_Sword r_addend;
} Elf32_Rela;
/* Extract relocation info - r_info */
#define ELF32_R_SYM(i) ((i) >> 8)
#define ELF32_R_TYPE(i) ((unsigned char) (i))
#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
/*
* Relocation type for arm
*/
#define R_ARM_NONE 0
#define R_ARM_PC24 1
#define R_ARM_ABS32 2
#define R_ARM_REL32 3
#define R_ARM_THM_CALL 10
#define R_ARM_GLOB_DAT 21
#define R_ARM_JUMP_SLOT 22
#define R_ARM_RELATIVE 23
#define R_ARM_GOT_BREL 26
#define R_ARM_PLT32 27
#define R_ARM_CALL 28
#define R_ARM_JUMP24 29
#define R_ARM_THM_JUMP24 30
#define R_ARM_V4BX 40
/*
* Relocation type for arm
*/
#define R_386_GLOB_DAT 6
#define R_386_JUMP_SLOT 7
#define R_386_RELATIVE 8
/* Program Header */
typedef struct
{
Elf32_Word p_type; /* segment type */
Elf32_Off p_offset; /* segment offset */
Elf32_Addr p_vaddr; /* virtual address of segment */
Elf32_Addr p_paddr; /* physical address - ignored? */
Elf32_Word p_filesz; /* number of bytes in file for seg. */
Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
Elf32_Word p_flags; /* flags */
Elf32_Word p_align; /* memory alignment */
} Elf32_Phdr;
/* p_type */
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_TLS 7
#define PT_NUM 8
#define PT_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
/* p_flags */
#define PF_X 1
#define PF_W 2
#define PF_R 4
/* sh_type */
#define SHT_NULL 0 /* inactive */
#define SHT_PROGBITS 1 /* program defined information */
#define SHT_SYMTAB 2 /* symbol table section */
#define SHT_STRTAB 3 /* string table section */
#define SHT_RELA 4 /* relocation section with addends*/
#define SHT_HASH 5 /* symbol hash table section */
#define SHT_DYNAMIC 6 /* dynamic section */
#define SHT_NOTE 7 /* note section */
#define SHT_NOBITS 8 /* no space section */
#define SHT_REL 9 /* relocation section without addends */
#define SHT_SHLIB 10 /* reserved - purpose unknown */
#define SHT_DYNSYM 11 /* dynamic symbol table section */
#define SHT_NUM 12 /* number of section types */
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
#define SHT_HIPROC 0x7fffffff /* specific section header types */
#define SHT_LOUSER 0x80000000 /* reserved range for application */
#define SHT_HIUSER 0xffffffff /* specific indexes */
/* Section Attribute Flags - sh_flags */
#define SHF_WRITE 0x1 /* Writable */
#define SHF_ALLOC 0x2 /* occupies memory */
#define SHF_EXECINSTR 0x4 /* executable */
#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
/* specific section attributes */
#endif
+38 -13
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@@ -32,6 +32,10 @@
#include <rtthread.h>
#include <rthw.h>
#ifdef RT_USING_MODULE
#include <dlmodule.h>
#endif
/*
* define object_info for the number of rt_object_container items.
*/
@@ -111,7 +115,7 @@ static struct rt_object_information rt_object_container[RT_Object_Info_Unknown]
{RT_Object_Class_Timer, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Timer), sizeof(struct rt_timer)},
#ifdef RT_USING_MODULE
/* initialize object container - module */
{RT_Object_Class_Module, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Module), sizeof(struct rt_module)},
{RT_Object_Class_Module, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Module), sizeof(struct rt_dlmodule)},
#endif
};
@@ -251,6 +255,9 @@ void rt_object_init(struct rt_object *object,
{
register rt_base_t temp;
struct rt_object_information *information;
#ifdef RT_USING_MODULE
struct rt_dlmodule *module = dlmodule_self();
#endif
/* get object information */
information = rt_object_get_information(type);
@@ -269,8 +276,18 @@ void rt_object_init(struct rt_object *object,
/* lock interrupt */
temp = rt_hw_interrupt_disable();
/* insert object into information object list */
rt_list_insert_after(&(information->object_list), &(object->list));
#ifdef RT_USING_MODULE
if (module)
{
rt_list_insert_after(&(module->object_list), &(object->list));
object->module_id = (void *)module;
}
else
#endif
{
/* insert object into information object list */
rt_list_insert_after(&(information->object_list), &(object->list));
}
/* unlock interrupt */
rt_hw_interrupt_enable(temp);
@@ -318,6 +335,9 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char *name)
struct rt_object *object;
register rt_base_t temp;
struct rt_object_information *information;
#ifdef RT_USING_MODULE
struct rt_dlmodule *module = dlmodule_self();
#endif
RT_DEBUG_NOT_IN_INTERRUPT;
@@ -332,6 +352,9 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char *name)
return RT_NULL;
}
/* clean memory data of object */
rt_memset(object, 0x0, information->object_size);
/* initialize object's parameters */
/* set object type */
@@ -340,14 +363,6 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char *name)
/* set object flag */
object->flag = 0;
#ifdef RT_USING_MODULE
if (rt_module_self() != RT_NULL)
{
object->flag |= RT_OBJECT_FLAG_MODULE;
}
object->module_id = (void *)rt_module_self();
#endif
/* copy name */
rt_strncpy(object->name, name, RT_NAME_MAX);
@@ -356,8 +371,18 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char *name)
/* lock interrupt */
temp = rt_hw_interrupt_disable();
/* insert object into information object list */
rt_list_insert_after(&(information->object_list), &(object->list));
#ifdef RT_USING_MODULE
if (module)
{
rt_list_insert_after(&(module->object_list), &(object->list));
object->module_id = (void *)module;
}
else
#endif
{
/* insert object into information object list */
rt_list_insert_after(&(information->object_list), &(object->list));
}
/* unlock interrupt */
rt_hw_interrupt_enable(temp);
-4
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@@ -185,10 +185,6 @@ static rt_err_t _rt_thread_init(struct rt_thread *thread,
0,
RT_TIMER_FLAG_ONE_SHOT);
#ifdef RT_USING_MODULE
thread->module_id = RT_NULL;
#endif
/* initialize signal */
#ifdef RT_USING_SIGNALS
thread->sig_mask = 0x00;