2012-11-14 Tristan Gingold <gingold@adacore.com>
* external.h (mach_o_entry_point_command_external) (mach_o_source_version_command_external) (mach_o_data_in_code_entry_external): New structures. * loader.h (bfd_mach_o_load_command_type): Add BFD_MACH_O_LC_MAIN, BFD_MACH_O_LC_DATA_IN_CODE, BFD_MACH_O_LC_SOURCE_VERSION and BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS. (BFD_MACH_O_REFERENCE_MASK): Adjust value. (BFD_MACH_O_N_REF_TO_WEAK): New definition. (BFD_MACH_O_N_ARM_THUMB_DEF, BFD_MACH_O_N_SYMBOL_RESOLVER): Likewise. (bfd_mach_o_data_in_code_entry_kind): New enum.
This commit is contained in:
Tristan Gingold
parent
1de03e2780
commit
a3e9b3ff6e
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@ -1,3 +1,17 @@
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2012-11-14 Tristan Gingold <gingold@adacore.com>
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* external.h (mach_o_entry_point_command_external)
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(mach_o_source_version_command_external)
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(mach_o_data_in_code_entry_external): New structures.
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* loader.h (bfd_mach_o_load_command_type): Add
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BFD_MACH_O_LC_MAIN, BFD_MACH_O_LC_DATA_IN_CODE,
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BFD_MACH_O_LC_SOURCE_VERSION and BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS.
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(BFD_MACH_O_REFERENCE_MASK): Adjust value.
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(BFD_MACH_O_N_REF_TO_WEAK): New definition.
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(BFD_MACH_O_N_ARM_THUMB_DEF, BFD_MACH_O_N_SYMBOL_RESOLVER): Likewise.
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(bfd_mach_o_data_in_code_entry_kind): New enum.
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2012-11-14 Tristan Gingold <gingold@adacore.com>
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* arm.h: New file.
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@ -124,7 +124,7 @@ struct mach_o_reloc_info_external
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#define BFD_MACH_O_SR_SCATTERED 0x80000000
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/* For a non-scattered reloc, the relocation info is found in r_symbolnum.
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Bytes 1 to 3 contain the symbol number (0xffffff, in a non-scattered PAIR).
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Bytes 1 to 3 contain the symbol number (0xffffff, in a non-scattered PAIR).
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Byte 4 contains the relocation info - but with differing bit-positions
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dependent on target endian-ness - as below. */
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@ -308,6 +308,28 @@ struct mach_o_fvmlib_command_external
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unsigned char header_addr[4];
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};
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struct mach_o_entry_point_command_external
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{
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unsigned char entryoff[8]; /* File offset of the entry point. */
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unsigned char stacksize[8]; /* Initial stack size, if no null. */
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};
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struct mach_o_source_version_command_external
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{
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unsigned char version[8]; /* Version A.B.C.D.E, with 10 bits for B-E,
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and 24 bits for A. */
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};
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/* The LD_DATA_IN_CODE command use a linkedit_data_command that points to
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a table of entries. */
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struct mach_o_data_in_code_entry_external
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{
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unsigned char offset[4]; /* Offset from the mach_header. */
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unsigned char length[2]; /* Number of bytes. */
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unsigned char kind[2]; /* Kind. See BFD_MACH_O_DICE_ values. */
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};
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struct mach_o_fat_header_external
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{
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unsigned char magic[4];
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@ -146,9 +146,9 @@ typedef enum bfd_mach_o_load_command_type
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/* Load a dynamically linked shared library that is allowed to be
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missing (weak). */
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BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
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BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
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BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
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mapped. */
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BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
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BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
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in a dylib. */
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BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */
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BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */
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@ -162,7 +162,11 @@ typedef enum bfd_mach_o_load_command_type
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BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */
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BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */
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BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */
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BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27 /* Env variable string for dyld. */
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BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */
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BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */
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BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */
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BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */
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BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs. */
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}
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bfd_mach_o_load_command_type;
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@ -250,7 +254,7 @@ bfd_mach_o_section_type;
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#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00
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/* System setable attributes. */
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#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00
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/* User attributes. */
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/* User attributes. */
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#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
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typedef enum bfd_mach_o_section_attribute
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@ -261,7 +265,7 @@ typedef enum bfd_mach_o_section_attribute
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/* Section has local relocation entries. */
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BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
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/* Section has external relocation entries. */
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/* Section has external relocation entries. */
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BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
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/* Section contains some machine instructions. */
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@ -272,7 +276,7 @@ typedef enum bfd_mach_o_section_attribute
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/* Used with i386 stubs. */
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BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000,
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/* Blocks are live if they reference live blocks. */
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BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000,
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@ -307,7 +311,7 @@ bfd_mach_o_section_attribute;
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#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */
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/* Symbol n_desc reference flags. */
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#define BFD_MACH_O_REFERENCE_MASK 0x0f
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#define BFD_MACH_O_REFERENCE_MASK 0x07
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#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00
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#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01
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#define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02
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@ -320,10 +324,24 @@ bfd_mach_o_section_attribute;
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#define BFD_MACH_O_N_NO_DEAD_STRIP 0x20
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#define BFD_MACH_O_N_WEAK_REF 0x40
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#define BFD_MACH_O_N_WEAK_DEF 0x80
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#define BFD_MACH_O_N_REF_TO_WEAK 0x80
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#define BFD_MACH_O_N_ARM_THUMB_DEF 0x08
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#define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100
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#define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000
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#define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000
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/* Constants for DATA_IN_CODE entries. */
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typedef enum bfd_mach_o_data_in_code_entry_kind
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{
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BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */
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BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */
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BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */
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BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */
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BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */
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} bfd_mach_o_data_in_code_entry_kind;
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/* Thread constants. */
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typedef enum bfd_mach_o_ppc_thread_flavour
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