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elf: Move 32/64bit generic mapping from risc-v/arch_elf.c to elfxx.h

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao
2023-07-08 23:46:46 +08:00
committed by Alan Carvalho de Assis
parent 5849cf71d8
commit 813b652ba5
7 changed files with 98 additions and 113 deletions
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arch/arm/include/elf.h
+4 -7
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@@ -38,13 +38,6 @@
*/ */
#define EM_ARCH EM_ARM #define EM_ARCH EM_ARM
#define ELF_CLASS ELFCLASS32
#ifdef CONFIG_ENDIAN_BIG
# define ELF_DATA ELFDATA2MSB
#else
# define ELF_DATA ELFDATA2LSB
#endif
/* Table 4-2, ARM-specific e_flags */ /* Table 4-2, ARM-specific e_flags */
@@ -211,6 +204,10 @@
#define R_ARM_THM_TLS_DESCSEQ16 129 /* Thumb16 */ #define R_ARM_THM_TLS_DESCSEQ16 129 /* Thumb16 */
#define R_ARM_THM_TLS_DESCSEQ32 130 /* Thumb32 */ #define R_ARM_THM_TLS_DESCSEQ32 130 /* Thumb32 */
/* Processor specific values for the Phdr p_type field. */
#define PT_ARM_EXIDX (PT_LOPROC + 1) /* ARM unwind segment. */
/* 5.2.1 Platform architecture compatibility data */ /* 5.2.1 Platform architecture compatibility data */
#define PT_ARM_ARCHEXT_FMTMSK 0xff000000 #define PT_ARM_ARCHEXT_FMTMSK 0xff000000
arch/sim/include/elf.h
+3 -14
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@@ -28,25 +28,14 @@
/* 4.3.1 ELF Identification. Should have: /* 4.3.1 ELF Identification. Should have:
* *
* e_machine = EM_386 * e_machine = EM_386
* e_ident[EI_CLASS] = ELFCLASS32
* e_ident[EI_DATA] = ELFDATA2LSB (little endian) or
* ELFDATA2MSB (big endian)
*/ */
#ifdef CONFIG_SIM_M32 #ifdef CONFIG_SIM_M32
# define EM_ARCH EM_386 # define EM_ARCH EM_386
# define ELF_CLASS ELFCLASS32
#else #else
# define EM_ARCH EM_X86_64 # define EM_ARCH EM_X86_64
# define ELF_CLASS ELFCLASS32
#endif #endif
#ifdef CONFIG_ENDIAN_BIG #define EF_FLAG 0
# define ELF_DATA ELFDATA2MSB
#else
# define ELF_DATA ELFDATA2LSB
#endif
#define EF_FLAG 0
#endif /* __ARCH_SIM_INCLUDE_ELF_H */ #endif /* __ARCH_SIM_INCLUDE_ELF_H */
include/elf.h
+9 -7
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@@ -215,15 +215,11 @@
#define PT_SHLIB 5 #define PT_SHLIB 5
#define PT_PHDR 6 #define PT_PHDR 6
/* Processor specific values for the Phdr p_type field. */
#define PT_ARM_EXIDX (PT_LOPROC + 1) /* ARM unwind segment. */
/* GCC specific */ /* GCC specific */
#define PT_GNU_EH_FRAME 0x6474e550 /* GCC exception handler frame */ #define PT_GNU_EH_FRAME 0x6474e550 /* GCC exception handler frame */
#define PT_GNU_STACK 0x6474e551 /* Stack executability */ #define PT_GNU_STACK 0x6474e551 /* Stack executability */
#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ #define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */
#define PT_LOPROC 0x70000000 #define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff #define PT_HIPROC 0x7fffffff
@@ -366,4 +362,10 @@
#define NT_VERSION 1 /* Contains a version string. */ #define NT_VERSION 1 /* Contains a version string. */
#ifdef CONFIG_ENDIAN_BIG
# define ELF_DATA ELFDATA2MSB
#else
# define ELF_DATA ELFDATA2LSB
#endif
#endif /* __INCLUDE_ELF_H */ #endif /* __INCLUDE_ELF_H */
include/elf32.h
+42 -37
View File
@@ -34,17 +34,20 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
#define ELF_CLASS ELFCLASS32
#define ELF32_ST_BIND(i) ((i) >> 4) #define ELF32_ST_BIND(i) ((i) >> 4)
#define ELF32_ST_TYPE(i) ((i) & 0xf) #define ELF32_ST_TYPE(i) ((i) & 0xf)
#define ELF32_ST_INFO(b,t) (((b) << 4) | ((t) & 0xf)) #define ELF32_ST_INFO(b,t) (((b) << 4) | ((t) & 0xf))
/* Definitions for Elf32_Rel*::r_info */ /* Definitions for Elf32_Rel*::r_info */
#define ELF32_R_SYM(i) ((i) >> 8) #define ELF32_R_SYM(i) ((i) >> 8)
#define ELF32_R_TYPE(i) ((i) & 0xff) #define ELF32_R_TYPE(i) ((i) & 0xff)
#define ELF32_R_INFO(s,t) (((s)<< 8) | ((t) & 0xff)) #define ELF32_R_INFO(s,t) (((s)<< 8) | ((t) & 0xff))
#define ELF_R_SYM(i) ELF32_R_SYM(i) #define ELF_R_SYM(i) ELF32_R_SYM(i)
#define ELF_R_TYPE(i) ELF32_R_TYPE(i)
/**************************************************************************** /****************************************************************************
* Public Type Definitions * Public Type Definitions
@@ -52,11 +55,11 @@
/* Figure 4.2: 32-Bit Data Types */ /* Figure 4.2: 32-Bit Data Types */
typedef uint32_t Elf32_Addr; /* Unsigned program address */ typedef uint32_t Elf32_Addr; /* Unsigned program address */
typedef uint16_t Elf32_Half; /* Unsigned medium integer */ typedef uint16_t Elf32_Half; /* Unsigned medium integer */
typedef uint32_t Elf32_Off; /* Unsigned file offset */ typedef uint32_t Elf32_Off; /* Unsigned file offset */
typedef int32_t Elf32_Sword; /* Signed large integer */ typedef int32_t Elf32_Sword; /* Signed large integer */
typedef uint32_t Elf32_Word; /* Unsigned large integer */ typedef uint32_t Elf32_Word; /* Unsigned large integer */
/* Figure 4-3: ELF Header */ /* Figure 4-3: ELF Header */
@@ -110,60 +113,62 @@ typedef struct
typedef struct typedef struct
{ {
Elf32_Addr r_offset; Elf32_Addr r_offset;
Elf32_Word r_info; Elf32_Word r_info;
} Elf32_Rel; } Elf32_Rel;
typedef struct typedef struct
{ {
Elf32_Addr r_offset; Elf32_Addr r_offset;
Elf32_Word r_info; Elf32_Word r_info;
Elf32_Sword r_addend; Elf32_Sword r_addend;
} Elf32_Rela; } Elf32_Rela;
/* Figure 5-1: Program Header */ /* Figure 5-1: Program Header */
typedef struct typedef struct
{ {
Elf32_Word p_type; Elf32_Word p_type;
Elf32_Off p_offset; Elf32_Off p_offset;
Elf32_Addr p_vaddr; Elf32_Addr p_vaddr;
Elf32_Addr p_paddr; Elf32_Addr p_paddr;
Elf32_Word p_filesz; Elf32_Word p_filesz;
Elf32_Word p_memsz; Elf32_Word p_memsz;
Elf32_Word p_flags; Elf32_Word p_flags;
Elf32_Word p_align; Elf32_Word p_align;
} Elf32_Phdr; } Elf32_Phdr;
/* Figure 5-7: Note Information */ /* Figure 5-7: Note Information */
typedef struct typedef struct
{ {
Elf32_Word n_namesz; /* Length of the note's name. */ Elf32_Word n_namesz; /* Length of the note's name. */
Elf32_Word n_descsz; /* Length of the note's descriptor. */ Elf32_Word n_descsz; /* Length of the note's descriptor. */
Elf32_Word n_type; /* Type of the note. */ Elf32_Word n_type; /* Type of the note. */
} Elf32_Nhdr; } Elf32_Nhdr;
/* Figure 5-9: Dynamic Structure */ /* Figure 5-9: Dynamic Structure */
typedef struct typedef struct
{ {
Elf32_Sword d_tag; Elf32_Sword d_tag;
union union
{ {
Elf32_Word d_val; Elf32_Word d_val;
Elf32_Addr d_ptr; Elf32_Addr d_ptr;
} d_un; } d_un;
} Elf32_Dyn; } Elf32_Dyn;
typedef Elf32_Addr Elf_Addr; typedef Elf32_Addr Elf_Addr;
typedef Elf32_Ehdr Elf_Ehdr; typedef Elf32_Ehdr Elf_Ehdr;
typedef Elf32_Rel Elf_Rel; typedef Elf32_Rel Elf_Rel;
typedef Elf32_Rela Elf_Rela; typedef Elf32_Rela Elf_Rela;
typedef Elf32_Nhdr Elf_Nhdr; typedef Elf32_Nhdr Elf_Nhdr;
typedef Elf32_Phdr Elf_Phdr; typedef Elf32_Phdr Elf_Phdr;
typedef Elf32_Sym Elf_Sym; typedef Elf32_Sym Elf_Sym;
typedef Elf32_Shdr Elf_Shdr; typedef Elf32_Shdr Elf_Shdr;
typedef Elf32_Word Elf_Word; typedef Elf32_Off Elf_Off;
typedef Elf32_Word Elf_Word;
typedef Elf32_Dyn Elf_Dyn;
#endif /* __INCLUDE_ELF32_H */ #endif /* __INCLUDE_ELF32_H */
include/elf64.h
+32 -27
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@@ -34,6 +34,8 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
#define ELF_CLASS ELFCLASS64
/* See ELF-64 Object File Format: Version 1.5 Draft 2 */ /* See ELF-64 Object File Format: Version 1.5 Draft 2 */
/* Definitions for Elf64_Rel*::r_info */ /* Definitions for Elf64_Rel*::r_info */
@@ -43,6 +45,7 @@
#define ELF64_R_INFO(s,t) (((s)<< 32) + ((t) & 0xffffffffL)) #define ELF64_R_INFO(s,t) (((s)<< 32) + ((t) & 0xffffffffL))
#define ELF_R_SYM(i) ELF64_R_SYM(i) #define ELF_R_SYM(i) ELF64_R_SYM(i)
#define ELF_R_TYPE(i) ELF64_R_TYPE(i)
/**************************************************************************** /****************************************************************************
* Public Type Definitions * Public Type Definitions
@@ -50,13 +53,13 @@
/* Table 1: ELF-64 Data Types */ /* Table 1: ELF-64 Data Types */
typedef uint64_t Elf64_Addr; /* Unsigned program address */ typedef uint64_t Elf64_Addr; /* Unsigned program address */
typedef uint64_t Elf64_Off; /* Unsigned file offset */ typedef uint64_t Elf64_Off; /* Unsigned file offset */
typedef uint16_t Elf64_Half; /* Unsigned medium integer */ typedef uint16_t Elf64_Half; /* Unsigned medium integer */
typedef uint32_t Elf64_Word; /* Unsigned long integer */ typedef uint32_t Elf64_Word; /* Unsigned long integer */
typedef int32_t Elf64_Sword; /* Signed integer */ typedef int32_t Elf64_Sword; /* Signed integer */
typedef uint64_t Elf64_Xword; /* Unsigned long integer */ typedef uint64_t Elf64_Xword; /* Unsigned long integer */
typedef int64_t Elf64_Sxword; /* Signed large integer */ typedef int64_t Elf64_Sxword; /* Signed large integer */
/* Figure 2: ELF-64 Header */ /* Figure 2: ELF-64 Header */
@@ -125,23 +128,23 @@ typedef struct
typedef struct typedef struct
{ {
Elf64_Word p_type; /* Type of segment */ Elf64_Word p_type; /* Type of segment */
Elf64_Word p_flags; /* Segment attributes */ Elf64_Word p_flags; /* Segment attributes */
Elf64_Off p_offset; /* Offset in file */ Elf64_Off p_offset; /* Offset in file */
Elf64_Addr p_vaddr; /* Virtual address in memory */ Elf64_Addr p_vaddr; /* Virtual address in memory */
Elf64_Addr p_paddr; /* Reserved */ Elf64_Addr p_paddr; /* Reserved */
Elf64_Word p_filesz; /* Size of segment in file */ Elf64_Word p_filesz; /* Size of segment in file */
Elf64_Word p_memsz; /* Size of segment in memory */ Elf64_Word p_memsz; /* Size of segment in memory */
Elf64_Word p_align; /* Alignment of segment */ Elf64_Word p_align; /* Alignment of segment */
} Elf64_Phdr; } Elf64_Phdr;
/* Figure 7. Format of a Note Section */ /* Figure 7. Format of a Note Section */
typedef struct typedef struct
{ {
Elf64_Word n_namesz; /* Length of the note's name. */ Elf64_Word n_namesz; /* Length of the note's name. */
Elf64_Word n_descsz; /* Length of the note's descriptor. */ Elf64_Word n_descsz; /* Length of the note's descriptor. */
Elf64_Word n_type; /* Type of the note. */ Elf64_Word n_type; /* Type of the note. */
} Elf64_Nhdr; } Elf64_Nhdr;
/* Figure 8: Dynamic Table Structure */ /* Figure 8: Dynamic Table Structure */
@@ -156,14 +159,16 @@ typedef struct
} d_un; } d_un;
} Elf64_Dyn; } Elf64_Dyn;
typedef Elf64_Addr Elf_Addr; typedef Elf64_Addr Elf_Addr;
typedef Elf64_Ehdr Elf_Ehdr; typedef Elf64_Ehdr Elf_Ehdr;
typedef Elf64_Rel Elf_Rel; typedef Elf64_Rel Elf_Rel;
typedef Elf64_Rela Elf_Rela; typedef Elf64_Rela Elf_Rela;
typedef Elf64_Nhdr Elf_Nhdr; typedef Elf64_Nhdr Elf_Nhdr;
typedef Elf64_Phdr Elf_Phdr; typedef Elf64_Phdr Elf_Phdr;
typedef Elf64_Sym Elf_Sym; typedef Elf64_Sym Elf_Sym;
typedef Elf64_Shdr Elf_Shdr; typedef Elf64_Shdr Elf_Shdr;
typedef Elf64_Word Elf_Word; typedef Elf64_Off Elf_Off;
typedef Elf64_Word Elf_Word;
typedef Elf64_Dyn Elf_Dyn;
#endif /* __INCLUDE_ELF64_H */ #endif /* __INCLUDE_ELF64_H */
include/nuttx/lib/modlib.h
+3 -12
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@@ -87,14 +87,6 @@
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_LIBC_ARCH_ELF_64BIT
typedef Elf64_Off Elf_Off;
typedef Elf64_Dyn Elf_Dyn;
#else
typedef Elf32_Off Elf_Off;
typedef Elf32_Dyn Elf_Dyn;
#endif
/* This is the type of the function that is called to uninitialize the /* This is the type of the function that is called to uninitialize the
* the loaded module. This may mean, for example, un-registering a device * the loaded module. This may mean, for example, un-registering a device
* driver. If the module is successfully uninitialized, its memory will be * driver. If the module is successfully uninitialized, its memory will be
@@ -208,11 +200,10 @@ struct mod_loadinfo_s
Elf_Ehdr ehdr; /* Buffered module file header */ Elf_Ehdr ehdr; /* Buffered module file header */
FAR Elf_Phdr *phdr; /* Buffered module program headers */ FAR Elf_Phdr *phdr; /* Buffered module program headers */
FAR Elf_Shdr *shdr; /* Buffered module section headers */ FAR Elf_Shdr *shdr; /* Buffered module section headers */
FAR void *exported; /* Module exports */ FAR void *exported; /* Module exports */
uint8_t *iobuffer; /* File I/O buffer */ uint8_t *iobuffer; /* File I/O buffer */
uintptr_t datasec; /* ET_DYN - data area start from Phdr */ uintptr_t datasec; /* ET_DYN - data area start from Phdr */
uintptr_t segpad; /* Padding between text and data */ uintptr_t segpad; /* Padding between text and data */
uint16_t symtabidx; /* Symbol table section index */ uint16_t symtabidx; /* Symbol table section index */
uint16_t strtabidx; /* String table section index */ uint16_t strtabidx; /* String table section index */
uint16_t dsymtabidx; /* Dynamic symbol table section index */ uint16_t dsymtabidx; /* Dynamic symbol table section index */
libs/libc/machine/risc-v/arch_elf.c
+5 -9
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@@ -44,13 +44,9 @@
/* ELF32 and ELF64 definitions */ /* ELF32 and ELF64 definitions */
#ifdef CONFIG_LIBC_ARCH_ELF_64BIT #ifdef CONFIG_LIBC_ARCH_ELF_64BIT
# define ARCH_ELF_TYP_STR "64" # define ARCH_ELF_TYP_STR "64"
# define ARCH_ELF_CLASS ELFCLASS64
# define ARCH_ELF_RELTYPE ELF64_R_TYPE
#else /* !CONFIG_LIBC_ARCH_ELF_64BIT */ #else /* !CONFIG_LIBC_ARCH_ELF_64BIT */
# define ARCH_ELF_TYP_STR "32" # define ARCH_ELF_TYP_STR "32"
# define ARCH_ELF_CLASS ELFCLASS32
# define ARCH_ELF_RELTYPE ELF32_R_TYPE
#endif /* CONFIG_LIBC_ARCH_ELF_64BIT */ #endif /* CONFIG_LIBC_ARCH_ELF_64BIT */
/**************************************************************************** /****************************************************************************
@@ -214,7 +210,7 @@ bool up_checkarch(const Elf_Ehdr *ehdr)
/* Make sure that current objects are supported */ /* Make sure that current objects are supported */
if (ehdr->e_ident[EI_CLASS] != ARCH_ELF_CLASS) if (ehdr->e_ident[EI_CLASS] != ELF_CLASS)
{ {
berr("ERROR: Need " ARCH_ELF_TYP_STR "-bit " berr("ERROR: Need " ARCH_ELF_TYP_STR "-bit "
"objects: e_ident[EI_CLASS]=%02x\n", "objects: e_ident[EI_CLASS]=%02x\n",
@@ -284,7 +280,7 @@ int up_relocateadd(const Elf_Rela *rel, const Elf_Sym *sym,
/* All relocations depend upon having valid symbol information */ /* All relocations depend upon having valid symbol information */
relotype = ARCH_ELF_RELTYPE(rel->r_info); relotype = ELF_R_TYPE(rel->r_info);
if (relotype == R_RISCV_RELAX) if (relotype == R_RISCV_RELAX)
{ {
@@ -585,7 +581,7 @@ int up_relocateadd(const Elf_Rela *rel, const Elf_Sym *sym,
break; break;
default: default:
berr("ERROR: Unsupported relocation: %ld\n", berr("ERROR: Unsupported relocation: %ld\n",
ARCH_ELF_RELTYPE(rel->r_info)); ELF_R_TYPE(rel->r_info));
PANIC(); PANIC();
return -EINVAL; return -EINVAL;
} }