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[libdl] fix formatting issue

This commit is contained in:
BernardXiong 2021-09-11 15:58:18 +08:00
parent 8da9f78d72
commit a25dbad37f
1 changed files with 47 additions and 59 deletions
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106
components/libc/libdl/dlelf.h
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@ -4,9 +4,9 @@
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2018/08/29 Bernard first version * 2018/08/29 Bernard first version
* 2021/04/23 chunyexixiaoyu distinguish 32-bit and 64-bit * 2021/04/23 chunyexixiaoyu distinguish 32-bit and 64-bit
*/ */
#ifndef DL_ELF_H__ #ifndef DL_ELF_H__
@ -20,14 +20,14 @@ typedef rt_int32_t Elf32_Sword; /* Signed large integer */
typedef rt_uint32_t Elf32_Word; /* Unsigned large integer */ typedef rt_uint32_t Elf32_Word; /* Unsigned large integer */
typedef rt_uint16_t Elf32_Half; /* Unsigned medium integer */ typedef rt_uint16_t Elf32_Half; /* Unsigned medium integer */
typedef rt_uint64_t Elf64_Addr; typedef rt_uint64_t Elf64_Addr;
typedef rt_uint16_t Elf64_Half; typedef rt_uint16_t Elf64_Half;
typedef rt_int16_t Elf64_SHalf; typedef rt_int16_t Elf64_SHalf;
typedef rt_uint64_t Elf64_Off; typedef rt_uint64_t Elf64_Off;
typedef rt_int32_t Elf64_Sword; typedef rt_int32_t Elf64_Sword;
typedef rt_uint32_t Elf64_Word; typedef rt_uint32_t Elf64_Word;
typedef rt_uint64_t Elf64_Xword; typedef rt_uint64_t Elf64_Xword;
typedef rt_int64_t Elf64_Sxword; typedef rt_int64_t Elf64_Sxword;
typedef rt_uint16_t Elf64_Section; typedef rt_uint16_t Elf64_Section;
/* e_ident[] magic number */ /* e_ident[] magic number */
@ -86,24 +86,24 @@ typedef struct elfhdr
header string table" entry offset */ header string table" entry offset */
} Elf32_Ehdr; } Elf32_Ehdr;
typedef struct elf64_hdr
typedef struct elf64_hdr { {
unsigned char e_ident[EI_NIDENT]; /* ELF Identification */ unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
Elf64_Half e_type; /* object file type */ Elf64_Half e_type; /* object file type */
Elf64_Half e_machine; /* machine */ Elf64_Half e_machine; /* machine */
Elf64_Word e_version; /* object file version */ Elf64_Word e_version; /* object file version */
Elf64_Addr e_entry; /* virtual entry point */ Elf64_Addr e_entry; /* virtual entry point */
Elf64_Off e_phoff; /* program header table offset */ Elf64_Off e_phoff; /* program header table offset */
Elf64_Off e_shoff; /* section header table offset */ Elf64_Off e_shoff; /* section header table offset */
Elf64_Word e_flags; /* processor-specific flags */ Elf64_Word e_flags; /* processor-specific flags */
Elf64_Half e_ehsize; /* ELF header size */ Elf64_Half e_ehsize; /* ELF header size */
Elf64_Half e_phentsize; /* program header entry size */ Elf64_Half e_phentsize; /* program header entry size */
Elf64_Half e_phnum; /* number of program header entries */ Elf64_Half e_phnum; /* number of program header entries */
Elf64_Half e_shentsize; /* section header entry size */ Elf64_Half e_shentsize; /* section header entry size */
Elf64_Half e_shnum; /* number of section header entries */ Elf64_Half e_shnum; /* number of section header entries */
Elf64_Half e_shstrndx; /* section header table's "section Elf64_Half e_shstrndx; /* section header table's "section
header string table" entry offset */ header string table" entry offset */
} Elf64_Ehdr; } Elf64_Ehdr;
/* Section Header */ /* Section Header */
typedef struct typedef struct
@ -123,19 +123,18 @@ typedef struct
typedef struct typedef struct
{ {
Elf64_Word sh_name; /* Section name (string tbl index) */ Elf64_Word sh_name; /* Section name (string tbl index) */
Elf64_Word sh_type; /* Section type */ Elf64_Word sh_type; /* Section type */
Elf64_Xword sh_flags; /* Section flags */ Elf64_Xword sh_flags; /* Section flags */
Elf64_Addr sh_addr; /* Section virtual addr at execution */ Elf64_Addr sh_addr; /* Section virtual addr at execution */
Elf64_Off sh_offset; /* Section file offset */ Elf64_Off sh_offset; /* Section file offset */
Elf64_Xword sh_size; /* Section size in bytes */ Elf64_Xword sh_size; /* Section size in bytes */
Elf64_Word sh_link; /* Link to another section */ Elf64_Word sh_link; /* Link to another section */
Elf64_Word sh_info; /* Additional section information */ Elf64_Word sh_info; /* Additional section information */
Elf64_Xword sh_addralign; /* Section alignment */ Elf64_Xword sh_addralign; /* Section alignment */
Elf64_Xword sh_entsize; /* Entry size if section holds table */ Elf64_Xword sh_entsize; /* Entry size if section holds table */
} Elf64_Shdr; } Elf64_Shdr;
/* Section names */ /* Section names */
#define ELF_BSS ".bss" /* uninitialized data */ #define ELF_BSS ".bss" /* uninitialized data */
#define ELF_DATA ".data" /* initialized data */ #define ELF_DATA ".data" /* initialized data */
@ -171,19 +170,16 @@ typedef struct elf32_sym
Elf32_Half st_shndx; /* section header index */ Elf32_Half st_shndx; /* section header index */
} Elf32_Sym; } Elf32_Sym;
typedef struct typedef struct
{ {
Elf64_Word st_name; /* Symbol name (string tbl index) */ Elf64_Word st_name; /* Symbol name (string tbl index) */
unsigned char st_info; /* Symbol type and binding */ unsigned char st_info; /* Symbol type and binding */
unsigned char st_other; /* Symbol visibility */ unsigned char st_other; /* Symbol visibility */
Elf64_Section st_shndx; /* Section index */ Elf64_Section st_shndx; /* Section index */
Elf64_Addr st_value; /* Symbol value */ Elf64_Addr st_value; /* Symbol value */
Elf64_Xword st_size; /* Symbol size */ Elf64_Xword st_size; /* Symbol size */
} Elf64_Sym; } Elf64_Sym;
#define STB_LOCAL 0 /* BIND */ #define STB_LOCAL 0 /* BIND */
#define STB_GLOBAL 1 #define STB_GLOBAL 1
#define STB_WEAK 2 #define STB_WEAK 2
@ -244,8 +240,6 @@ typedef struct
#define ELF32_R_TYPE(i) ((unsigned char) (i)) #define ELF32_R_TYPE(i) ((unsigned char) (i))
#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t)) #define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
#define ELF64_R_SYM(i) ((i) >> 32) #define ELF64_R_SYM(i) ((i) >> 32)
#define ELF64_R_TYPE(i) ((i) & 0xffffffff) #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) #define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type))
@ -296,7 +290,6 @@ typedef struct
Elf32_Word p_align; /* memory alignment */ Elf32_Word p_align; /* memory alignment */
} Elf32_Phdr; } Elf32_Phdr;
typedef struct typedef struct
{ {
Elf64_Word p_type; /* Segment type */ Elf64_Word p_type; /* Segment type */
@ -309,10 +302,6 @@ typedef struct
Elf64_Xword p_align; /* Segment alignment */ Elf64_Xword p_align; /* Segment alignment */
} Elf64_Phdr; } Elf64_Phdr;
/* p_type */ /* p_type */
#define PT_NULL 0 #define PT_NULL 0
#define PT_LOAD 1 #define PT_LOAD 1
@ -384,10 +373,9 @@ typedef Elf64_Sym Elf_Sym;
typedef Elf64_Rela Elf_Rel; typedef Elf64_Rela Elf_Rel;
typedef Elf64_Addr Elf_Addr; typedef Elf64_Addr Elf_Addr;
#endif #endif
int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val); int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val);
rt_err_t dlmodule_load_shared_object(struct rt_dlmodule* module, void *module_ptr); rt_err_t dlmodule_load_shared_object(struct rt_dlmodule *module, void *module_ptr);
rt_err_t dlmodule_load_relocated_object(struct rt_dlmodule* module, void *module_ptr); rt_err_t dlmodule_load_relocated_object(struct rt_dlmodule *module, void *module_ptr);
#endif #endif