Initial source

1 files changed, 298 insertions, 0 deletions

diff --git a/include/mach/exec/elf.h b/include/mach/exec/elf.h
new file mode 100644
index 0000000..8198930
--- /dev/null
+++ b/include/mach/exec/elf.h
@@ -0,0 +1,298 @@
+/*
+ * Copyright (c) 1995, 1994, 1993, 1992, 1991, 1990  
+ * Open Software Foundation, Inc. 
+ *  
+ * Permission to use, copy, modify, and distribute this software and 
+ * its documentation for any purpose and without fee is hereby granted, 
+ * provided that the above copyright notice appears in all copies and 
+ * that both the copyright notice and this permission notice appear in 
+ * supporting documentation, and that the name of ("OSF") or Open Software 
+ * Foundation not be used in advertising or publicity pertaining to 
+ * distribution of the software without specific, written prior permission. 
+ *  
+ * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+ * FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL OSF BE LIABLE FOR ANY 
+ * SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 
+ * ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING 
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE 
+ * 
+ */
+/*
+ * OSF Research Institute MK6.1 (unencumbered) 1/31/1995
+ */
+#ifndef _MACH_EXEC_ELF_H_
+#define _MACH_EXEC_ELF_H_
+
+#include <mach/machine/exec/elf.h>
+
+/* ELF Header - figure 4-3, page 4-4 */
+
+#define EI_NIDENT 16
+
+typedef struct {
+  unsigned char		e_ident[EI_NIDENT];
+  Elf32_Half		e_type;
+  Elf32_Half		e_machine;
+  Elf32_Word		e_version;
+  Elf32_Addr		e_entry;
+  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;
+
+
+/* e_ident[] identification indexes - figure 4-4, page 4-7 */
+  
+#define EI_MAG0		0
+#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
+
+/* magic number - pg 4-8 */
+
+#define ELFMAG0		0x7f
+#define ELFMAG1		'E'
+#define ELFMAG2		'L'
+#define ELFMAG3		'F'
+
+/* file class or capacity - page 4-8 */
+
+#define ELFCLASSNONE	0
+#define ELFCLASS32	1
+#define ELFCLASS64	2
+
+/* date encoding - page 4-9 */
+
+#define ELFDATANONE	0
+#define ELFDATA2LSB	1
+#define ELFDATA2MSB	2
+
+/* object file types - page 4-5 */
+
+#define ET_NONE		0
+#define ET_REL		1
+#define ET_EXEC		2
+#define ET_DYN		3
+#define ET_CORE		4
+
+#define ET_LOPROC	0xff00
+#define ET_HIPROC	0xffff
+
+/* architecture - page 4-5 */
+
+#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_860		7
+#define EM_MIPS		8
+#define EM_MIPS_RS4_BE	10
+#define EM_SPARC64	11
+#define EM_PARISC	15
+#define EM_PPC		20
+
+/* version - page 4-6 */
+
+#define EV_NONE		0
+#define EV_CURRENT	1
+
+/* special section indexes - page 4-11, figure 4-7 */
+
+#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
+
+/* section header - page 4-13, figure 4-8 */
+
+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;
+
+/* section types - page 4-15, figure 4-9 */
+
+#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_LOPROC	0x70000000
+#define SHT_HIPROC	0x7fffffff
+#define SHT_LOUSER	0x80000000
+#define SHT_HIUSER	0xffffffff
+
+/* section attribute flags - page 4-18, figure 4-11 */
+
+#define	SHF_WRITE	0x1
+#define SHF_ALLOC	0x2
+#define	SHF_EXECINSTR	0x4
+#define SHF_MASKPROC	0xf0000000
+
+/* symbol table - page 4-25, figure 4-15 */
+typedef struct
+{
+    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;
+
+/* symbol type and binding attributes - page 4-26 */
+
+#define ELF32_ST_BIND(i)    ((i) >> 4)
+#define ELF32_ST_TYPE(i)    ((i) & 0xf)
+#define ELF32_ST_INFO(b,t)  (((b)<<4)+((t)&0xf))
+
+/* symbol binding - page 4-26, figure 4-16 */
+
+#define STB_LOCAL    0
+#define STB_GLOBAL   1
+#define STB_WEAK     2
+#define STB_LOPROC  13
+#define STB_HIPROC  15
+
+/* symbol types - page 4-28, figure 4-17 */
+
+#define STT_NOTYPE   0
+#define STT_OBJECT   1
+#define STT_FUNC     2
+#define STT_SECTION  3
+#define STT_FILE     4
+#define STT_LOPROC  13
+#define STT_HIPROC  15
+
+
+/* relocation entries - page 4-31, figure 4-19 */
+
+typedef struct
+{
+    Elf32_Addr	r_offset;
+    Elf32_Word	r_info;
+} Elf32_Rel;
+
+typedef struct
+{
+    Elf32_Addr	r_offset;
+    Elf32_Word	r_info;
+    Elf32_Sword r_addend;
+} Elf32_Rela;
+
+/* Macros to split/combine relocation type and symbol page 4-32 */
+
+#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))
+
+
+/* program header - page 5-2, figure 5-1 */
+
+typedef struct {
+  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;
+
+/* segment types - page 5-3, figure 5-2 */
+
+#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
+
+/* segment permissions - page 5-6 */
+
+#define PF_X		0x1
+#define PF_W		0x2
+#define PF_R		0x4
+#define PF_MASKPROC	0xf0000000
+
+
+/* dynamic structure - page 5-15, figure 5-9 */
+
+typedef struct {
+	Elf32_Sword	d_tag;
+	union {
+	    Elf32_Word	d_val;
+	    Elf32_Addr	d_ptr;
+	} d_un;
+} Elf32_Dyn;
+
+/* Dynamic array tags - page 5-16, figure 5-10.  */
+
+#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
+
+/*
+ *	Bootstrap doesn't need machine dependent extensions.
+ */
+
+#endif /* _MACH_EXEC_ELF_H_ */