Import of Linux/MIPS 1.3.0

1 files changed, 277 insertions, 94 deletions

diff --git a/include/linux/elf.h b/include/linux/elf.h
index cc47c39bd..52dedbda4 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -1,16 +1,29 @@
-#ifndef _ELF_H
-#define _ELF_H
+#ifndef _LINUX_ELF_H
+#define _LINUX_ELF_H
+
+typedef unsigned long	Elf32_Addr;
+typedef unsigned short	Elf32_Half;
+typedef unsigned long	Elf32_Off;
+typedef long		Elf32_Sword;
+typedef unsigned long	Elf32_Word;
 
 /* These constants are for the segment types stored in the image headers */
-#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_LOPROC  0x70000000
-#define PT_HIPROC  0x7fffffff
+#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_LOPROC		0x70000000
+#define PT_HIPROC		0x7fffffff
+#define PT_MIPS_REGINFO		0x70000000
+
+/* Flags in the e_flags field of the header */
+#define EF_MIPS_NOREORDER 0x00000001
+#define EF_MIPS_PIC       0x00000002
+#define EF_MIPS_CPIC      0x00000004
+#define EF_MIPS_ARCH      0xf0000000
 
 /* These constants define the different elf file types */
 #define ET_NONE   0
@@ -18,46 +31,75 @@
 #define ET_EXEC   2
 #define ET_DYN    3
 #define ET_CORE   4
+#if 0
+/* These seem to be wrong ... */
 #define ET_LOPROC 5
 #define ET_HIPROC 6
+#else
+#define ET_LOPROC 0xff00
+#define ET_HIPROC 0xffff
+#endif
 
 /* These constants define the various ELF target machines */
-#define EM_NONE  0
-#define EM_M32   1
-#define EM_SPARC 2
-#define EM_386   3
-#define EM_68K   4
-#define EM_88K   5
-#define EM_486   6   /* Perhaps disused */
-#define EM_860   7
+#define EM_NONE         0
+#define EM_M32          1
+#define EM_SPARC        2
+#define EM_386          3
+#define EM_68K          4
+#define EM_88K          5
+#define EM_486          6   /* Perhaps disused */
+#define EM_860          7
+#define EM_MIPS         8   /* MIPS R3000 (officially, big-endian only) */
+#define EM_MIPS_RS4_BE 10
+#define EM_SPARC64     11   /* SPARC v9 (not official) 64-bit */
+#define EM_PARISC      15
 
 /* This is the info that is needed to parse the dynamic section of the file */
-#define DT_NULL		0
-#define DT_NEEDED	1
-#define DT_PLTRELSZ	2
-#define DT_PLTGOT	3
-#define DT_HASH		4
-#define DT_STRTAB	5
-#define DT_SYMTAB	6
-#define DT_RELA		7
-#define DT_RELASZ	8
-#define DT_RELAENT	9
-#define DT_STRSZ	10
-#define DT_SYMENT	11
-#define DT_INIT		12
-#define DT_FINI		13
-#define DT_SONAME	14
-#define DT_RPATH 	15
-#define DT_SYMBOLIC	16
-#define DT_REL	        17
-#define DT_RELSZ	18
-#define DT_RELENT	19
-#define DT_PLTREL	20
-#define DT_DEBUG	21
-#define DT_TEXTREL	22
-#define DT_JMPREL	23
-#define DT_LOPROC	0x70000000
-#define DT_HIPROC	0x7fffffff
+#define DT_NULL			0
+#define DT_NEEDED		1
+#define DT_PLTRELSZ		2
+#define DT_PLTGOT		3
+#define DT_HASH			4
+#define DT_STRTAB		5
+#define DT_SYMTAB		6
+#define DT_RELA			7
+#define DT_RELASZ		8
+#define DT_RELAENT		9
+#define DT_STRSZ		10
+#define DT_SYMENT		11
+#define DT_INIT			12
+#define DT_FINI			13
+#define DT_SONAME		14
+#define DT_RPATH 		15
+#define DT_SYMBOLIC		16
+#define DT_REL			17
+#define DT_RELSZ		18
+#define DT_RELENT		19
+#define DT_PLTREL		20
+#define DT_DEBUG		21
+#define DT_TEXTREL		22
+#define DT_JMPREL		23
+#define DT_LOPROC		0x70000000
+#define DT_HIPROC		0x7fffffff
+#define DT_MIPS_RLD_VERSION	0x70000001
+#define DT_MIPS_TIME_STAMP	0x70000002
+#define DT_MIPS_ICHECKSUM	0x70000003
+#define DT_MIPS_IVERSION	0x70000004
+#define DT_MIPS_FLAGS		0x70000005
+  #define RHF_NONE		  0
+  #define RHF_HARDWAY		  1
+  #define RHF_NOTPOT		  2
+#define DT_MIPS_BASE_ADDRESS	0x70000006
+#define DT_MIPS_CONFLICT	0x70000008
+#define DT_MIPS_LIBLIST		0x70000009
+#define DT_MIPS_LOCAL_GOTNO	0x7000000a
+#define DT_MIPS_CONFLICTNO	0x7000000b
+#define DT_MIPS_LIBLISTNO	0x70000010
+#define DT_MIPS_SYMTABNO	0x70000011
+#define DT_MIPS_UNREFEXTNO	0x70000012
+#define DT_MIPS_GOTSYM		0x70000013
+#define DT_MIPS_HIPAGENO	0x70000014
+#define DT_MIPS_RLD_MAP		0x70000016
 
 /* This info is needed when parsing the symbol table */
 #define STB_LOCAL  0
@@ -76,78 +118,219 @@
 
 
 typedef struct dynamic{
-  int d_tag;
+  Elf32_Sword d_tag;
   union{
-    int d_val;
-    char * d_ptr;
+    Elf32_Sword	d_val;
+    Elf32_Addr	d_ptr;
   } d_un;
 } Elf32_Dyn;
 
+extern Elf32_Dyn _DYNAMIC [];
+
 /* The following are used with relocations */
 #define ELF32_R_SYM(x) ((x) >> 8)
 #define ELF32_R_TYPE(x) ((x) & 0xff)
 
-#define R_386_NONE	0
-#define R_386_32	1
-#define R_386_PC32	2
-#define R_386_GOT32	3
-#define R_386_PLT32	4
-#define R_386_COPY	5
-#define R_386_GLOB_DAT	6
-#define R_386_JMP_SLOT	7
-#define R_386_RELATIVE	8
-#define R_386_GOTOFF	9
-#define R_386_GOTPC	10
-#define R_386_NUM	11
+#define R_386_NONE		0
+#define R_386_32		1
+#define R_386_PC32		2
+#define R_386_GOT32		3
+#define R_386_PLT32		4
+#define R_386_COPY		5
+#define R_386_GLOB_DAT		6
+#define R_386_JMP_SLOT		7
+#define R_386_RELATIVE		8
+#define R_386_GOTOFF		9
+#define R_386_GOTPC		10
+#define R_386_NUM		11
+
+#define R_MIPS_NONE		0
+#define R_MIPS_16		1
+#define R_MIPS_32		2
+#define R_MIPS_REL32		3
+#define R_MIPS_26		4
+#define R_MIPS_HI16		5
+#define R_MIPS_LO16		6
+#define R_MIPS_GPREL16		7
+#define R_MIPS_LITERAL		8
+#define R_MIPS_GOT16		9
+#define R_MIPS_PC16		10
+#define R_MIPS_CALL16		11
+#define R_MIPS_GPREL32		12
+/* The remaining relocs are defined on Irix, although they are not
+   in the MIPS ELF ABI.  */
+#define R_MIPS_UNUSED1		13
+#define R_MIPS_UNUSED2		14
+#define R_MIPS_UNUSED3		15
+#define R_MIPS_SHIFT5		16
+#define R_MIPS_SHIFT6		17
+#define R_MIPS_64		18
+#define R_MIPS_GOT_DISP		19
+#define R_MIPS_GOT_PAGE		20
+#define R_MIPS_GOT_OFST		21
+#define R_MIPS_GOT_HI16		22
+#define R_MIPS_GOT_LO16		23
+#define R_MIPS_SUB		24
+#define R_MIPS_INSERT_A		25
+#define R_MIPS_INSERT_B		26
+#define R_MIPS_DELETE		27
+#define R_MIPS_HIGHER		28
+#define R_MIPS_HIGHEST		29
+#define R_MIPS_CALL_HI16	30
+#define R_MIPS_CALL_LO16	31
 
 typedef struct elf32_rel {
-  unsigned int * offset;
-  int info;
+  Elf32_Addr	r_offset;
+  Elf32_Word	r_info;
 } Elf32_Rel;
 
 typedef struct elf32_rela{
-  unsigned int * offset;
-  int info;
-  int addend;
+  Elf32_Addr	r_offset;
+  Elf32_Word	r_info;
+  Elf32_Sword	r_addend;
 } Elf32_Rela;
 
 typedef struct elf32_sym{
-  int st_name;
-  unsigned int st_value;
-  int st_size;
-  unsigned char st_info;
-  unsigned char st_other;
-  short int st_shndx;
+  Elf32_Word	st_name;
+  Elf32_Addr	st_value;
+  Elf32_Word	st_size;
+  unsigned char	st_info;
+  unsigned char	st_other;
+  Elf32_Half	st_shndx;
 } Elf32_Sym;
 
+
+#define EI_NIDENT	16
+
 typedef struct elfhdr{
-  char	e_ident[16];
-  short int e_type;
-  short int e_machine;
-  int   e_version;
-  char *e_entry;  /* Entry point */
-  int   e_phoff;
-  int   e_shoff;
-  int   e_flags;
-  short int e_ehsize;
-  short int e_phentsize;
-  short int e_phnum;
-  short int e_shentsize;
-  short int e_shnum;
-  short int e_shstrndx;
+  unsigned char	e_ident[EI_NIDENT];
+  Elf32_Half	e_type;
+  Elf32_Half	e_machine;
+  Elf32_Word	e_version;
+  Elf32_Addr	e_entry;  /* Entry point */
+  Elf32_Off	e_phoff;
+  Elf32_Off	e_shoff;
+  Elf32_Word	e_flags;
+  Elf32_Half	e_ehsize;
+  Elf32_Half	e_phentsize;
+  Elf32_Half	e_phnum;
+  Elf32_Half	e_shentsize;
+  Elf32_Half	e_shnum;
+  Elf32_Half	e_shstrndx;
 } Elf32_Ehdr;
 
+/* These constants define the permissions on sections in the program
+   header, p_flags. */
+#define PF_R		0x4
+#define PF_W		0x2
+#define PF_X		0x1
+
 typedef struct elf_phdr{
-  int p_type;
-  int p_offset;
-  int p_vaddr;
-  int p_paddr;
-  int p_filesz;
-  int p_memsz;
-  int p_flags;
-  int p_align;
+  Elf32_Word	p_type;
+  Elf32_Off	p_offset;
+  Elf32_Addr	p_vaddr;
+  Elf32_Addr	p_paddr;
+  Elf32_Word	p_filesz;
+  Elf32_Word	p_memsz;
+  Elf32_Word	p_flags;
+  Elf32_Word	p_align;
 } Elf32_Phdr;
 
+/* sh_type */
+#define SHT_NULL		0
+#define SHT_PROGBITS		1
+#define SHT_SYMTAB		2
+#define SHT_STRTAB		3
+#define SHT_RELA		4
+#define SHT_HASH		5
+#define SHT_DYNAMIC		6
+#define SHT_NOTE		7
+#define SHT_NOBITS		8
+#define SHT_REL			9
+#define SHT_SHLIB		10
+#define SHT_DYNSYM		11
+#define SHT_NUM			12
+#define SHT_LOPROC		0x70000000
+#define SHT_HIPROC		0x7fffffff
+#define SHT_LOUSER		0x80000000
+#define SHT_HIUSER		0xffffffff
+#define SHT_MIPS_LIST		0x70000000
+#define SHT_MIPS_CONFLICT	0x70000002
+#define SHT_MIPS_GPTAB		0x70000003
+#define SHT_MIPS_UCODE		0x70000004
+
+/* sh_flags */
+#define SHF_WRITE	0x1
+#define SHF_ALLOC	0x2
+#define SHF_EXECINSTR	0x4
+#define SHF_MASKPROC	0xf0000000
+#define SHF_MIPS_GPREL	0x10000000
+
+/* special section indexes */
+#define SHN_UNDEF		0
+#define SHN_LORESERVE		0xff00
+#define SHN_LOPROC		0xff00
+#define SHN_HIPROC		0xff1f
+#define SHN_ABS			0xfff1
+#define SHN_COMMON		0xfff2
+#define SHN_HIRESERVE		0xffff
+#define SHN_MIPS_ACCOMON	0xff00
+ 
+typedef struct {
+  Elf32_Word	sh_name;
+  Elf32_Word	sh_type;
+  Elf32_Word	sh_flags;
+  Elf32_Addr	sh_addr;
+  Elf32_Off	sh_offset;
+  Elf32_Word	sh_size;
+  Elf32_Word	sh_link;
+  Elf32_Word	sh_info;
+  Elf32_Word	sh_addralign;
+  Elf32_Word	sh_entsize;
+} Elf32_Shdr;
+
+#define	EI_MAG0		0		/* e_ident[] indexes */
+#define	EI_MAG1		1
+#define	EI_MAG2		2
+#define	EI_MAG3		3
+#define	EI_CLASS	4
+#define	EI_DATA		5
+#define	EI_VERSION	6
+#define	EI_PAD		7
+
+#define	ELFMAG0		0x7f		/* EI_MAG */
+#define	ELFMAG1		'E'
+#define	ELFMAG2		'L'
+#define	ELFMAG3		'F'
+#define	ELFMAG		"\177ELF"
+#define	SELFMAG		4
+
+#define	ELFCLASSNONE	0		/* EI_CLASS */
+#define	ELFCLASS32	1
+#define	ELFCLASS64	2
+#define	ELFCLASSNUM	3
+
+#define ELFDATANONE	0		/* e_ident[EI_DATA] */
+#define ELFDATA2LSB	1
+#define ELFDATA2MSB	2
+
+#define EV_NONE		0		/* e_version, EI_VERSION */
+#define EV_CURRENT	1
+#define EV_NUM		2
+
+/* Notes used in ET_CORE */
+#define NT_PRSTATUS	1
+#define NT_PRFPREG	2
+#define NT_PRPSINFO	3
+#define NT_TASKSTRUCT	4
+
+/* Note header in a PT_NOTE section */
+typedef struct elf_note {
+  Elf32_Word	n_namesz;	/* Name size */
+  Elf32_Word	n_descsz;	/* Content size */
+  Elf32_Word	n_type;		/* Content type */
+} Elf32_Nhdr;
+
 #define ELF_START_MMAP 0x80000000
 
-#endif
+#endif /* _LINUX_ELF_H */