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[tpg/acess2.git] / Usermode / Libraries / ld-acess.so_src / elf32.h

diff --git a/Usermode/Libraries/ld-acess.so_src/elf32.h b/Usermode/Libraries/ld-acess.so_src/elf32.h
index 580bbb4..0808747 100644 (file)
--- a/Usermode/Libraries/ld-acess.so_src/elf32.h
+++ b/Usermode/Libraries/ld-acess.so_src/elf32.h
@@ -8,31 +8,37 @@
 
 #include <stdint.h>
 
+typedef uint16_t       Elf32_Half;
 typedef uint32_t       Elf32_Addr;
+typedef uint32_t       Elf32_Off;
 typedef uint32_t       Elf32_Word;
 typedef int32_t        Elf32_Sword;
 
 #define ELFCLASS32     1
 
+#define EM_NONE        0
+#define EM_386 3
+#define EM_ARM 40
+
 /**
  \struct elf_header_s
  \brief ELF File Header
 */
 struct sElf32_Ehdr {
        uint8_t e_ident[16];    //!< Identifier Bytes
-       uint16_t        filetype;       //!< File Type
-       Uint16  machine;        //!< Machine / Arch
-       Uint32  version;        //!< Version (File?)
-       Uint32  entrypoint;     //!< Entry Point
-       Uint32  phoff;  //!< Program Header Offset
-       Uint32  shoff;  //!< Section Header Offset
-       Uint32  flags;  //!< Flags
-       Uint16  headersize;     //!< Header Size
-       Uint16  phentsize;      //!< Program Header Entry Size
-       Uint16  phentcount;     //!< Program Header Entry Count
-       Uint16  shentsize;      //!< Section Header Entry Size
-       Uint16  shentcount;     //!< Section Header Entry Count
-       Uint16  shstrindex;     //!< Section Header String Table Index
+       Elf32_Half      filetype;       //!< File Type
+       Elf32_Half      machine;        //!< Machine / Arch
+       Elf32_Word      version;        //!< Version (File?)
+       Elf32_Addr      entrypoint;     //!< Entry Point
+       Elf32_Off       phoff;  //!< Program Header Offset
+       Elf32_Word      shoff;  //!< Section Header Offset
+       Elf32_Word      flags;  //!< Flags
+       Elf32_Half      headersize;     //!< Header Size
+       Elf32_Half      phentsize;      //!< Program Header Entry Size
+       Elf32_Half      phentcount;     //!< Program Header Entry Count
+       Elf32_Half      shentsize;      //!< Section Header Entry Size
+       Elf32_Half      shentcount;     //!< Section Header Entry Count
+       Elf32_Half      shstrindex;     //!< Section Header String Table Index
 };
 
 /**
@@ -85,6 +91,7 @@ enum eElfSectionTypes {
        SHT_HIUSER = 0xffffffff
 };
 
+#if 0
 #define SHF_WRITE      0x1
 #define SHF_ALLOC      0x2
 #define SHF_EXECINSTR  0x4
@@ -102,14 +109,15 @@ struct sElf32_Shent {
        Uint32  addralign;
        Uint32  entsize;
 };     //sizeof = 40
+#endif
 
 struct elf_sym_s {
-       Uint32  nameOfs;
-       Uint32  value;  //Address
-       Uint32  size;
-       Uint8   info;
-       Uint8   other;
-       Uint16  shndx;
+       Elf32_Word      nameOfs;
+       Elf32_Addr      value;  //Address
+       Elf32_Word      size;
+       uint8_t info;
+       uint8_t other;
+       Elf32_Half      shndx;
 };
 #define        STN_UNDEF       0       // Undefined Symbol
 
@@ -126,24 +134,24 @@ enum {
 };
 
 struct sElf32_Phdr {
-       Uint32  Type;
-       Uint32  Offset;
+       Elf32_Word      Type;
+       Elf32_Off       Offset;
        Elf32_Addr      VAddr;
        Elf32_Addr      PAddr;
-       Uint32  FileSize;
-       Uint32  MemSize;
-       Uint32  Flags;
-       Uint32  Align;
+       Elf32_Word      FileSize;
+       Elf32_Word      MemSize;
+       Elf32_Word      Flags;
+       Elf32_Word      Align;
 };
 
 struct elf32_rel_s {
-       Uint32  r_offset;
-       Uint32  r_info;
+       Elf32_Addr      r_offset;
+       Elf32_Word      r_info;
 };
 
 struct elf32_rela_s {
-       Uint32  r_offset;
-       Uint32  r_info;
+       Elf32_Addr      r_offset;
+       Elf32_Word      r_info;
        Elf32_Sword     r_addend;
 };
 
@@ -162,13 +170,44 @@ enum {
        R_386_LAST      // none
 };
 
+// NOTES:
+//  'T' means the thumb bit
+//  'B(S)' Origin of a symbol
+enum {
+       R_ARM_NONE,     // No action
+       R_ARM_PC24,     // ((S + A) | T) - P
+       R_ARM_ABS32,    // (S + A) | T
+       R_ARM_REL32,    // ((S + A) | T) - P
+       R_ARM_LDR_PC_G0,        // S + A - P
+       R_ARM_ABS16,    // S + A
+       R_ARM_ABS12,    // S + A
+       R_ARM_THM_ABS5, // S + A
+       R_ARM_ABS8,     // S + A
+       R_ARM_SBREL32,  // ((S + A) | T) - B(S)
+       R_ARM_THM_CALL, // ((S + A) | T) - P
+       R_ARM_THM_PC8,  // S + A - Pa,
+       R_ARM_BREL_ADJ, // ΔB(S) + A
+       R_ARM_TLS_DESC, // --
+       R_ARM_THM_SWI8, // (Reserved)
+       R_ARM_XPC25,    // (Reserved)
+       R_ARM_THM_XPC22,        // (Reserved)
+       R_ARM_TLS_DTPMOD32,     // Module[S]
+       R_ARM_TLS_DTPOFF32,     // S + A - TLS
+       R_ARM_TLS_TPOFF32,      // S + A - tp
+       R_ARM_COPY,     // Misc
+       R_ARM_GLOB_DAT, // (S + A) | T
+       R_ARM_JUMP_SLOT,        // (S + A) | T
+       R_ARM_RELATIVE, // B(S) + A (extra?)
+       // ... More defined (IHI0044)
+};
+
 #define        ELF32_R_SYM(i)  ((i)>>8)        // Takes an info value and returns a symbol index
 #define        ELF32_R_TYPE(i) ((i)&0xFF)      // Takes an info value and returns a type
 #define        ELF32_R_INFO(s,t)       (((s)<<8)+((t)&0xFF))   // Takes a type and symbol index and returns an info value
 
 struct elf32_dyn_s {
-       Uint16  d_tag;
-       Uint32  d_val;  //Also d_ptr
+       Elf32_Half      d_tag;
+       Elf32_Word      d_val;  //Also d_ptr
 };
 
 enum {