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Diffstat (limited to 'vendor/object/src/xcoff.rs')
| -rw-r--r-- | vendor/object/src/xcoff.rs | 905 |
1 files changed, 0 insertions, 905 deletions
diff --git a/vendor/object/src/xcoff.rs b/vendor/object/src/xcoff.rs deleted file mode 100644 index dbe5d73..0000000 --- a/vendor/object/src/xcoff.rs +++ /dev/null @@ -1,905 +0,0 @@ -//! XCOFF definitions -//! -//! These definitions are independent of read/write support, although we do implement -//! some traits useful for those. -//! -//! This module is the equivalent of /usr/include/xcoff.h, and is based heavily on it. - -#![allow(missing_docs)] - -use crate::endian::{BigEndian as BE, I16, U16, U32, U64}; -use crate::pod::Pod; - -/// The header at the start of every 32-bit XCOFF file. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FileHeader32 { - /// Magic number. Must be 0x01DF. - pub f_magic: U16<BE>, - /// Number of sections. - pub f_nscns: U16<BE>, - /// Time and date of file creation. - pub f_timdat: U32<BE>, - /// Byte offset to symbol table start. - pub f_symptr: U32<BE>, - /// Number of entries in symbol table. - pub f_nsyms: U32<BE>, - /// Number of bytes in optional header - pub f_opthdr: U16<BE>, - /// Extra flags. - pub f_flags: U16<BE>, -} - -/// The header at the start of every 64-bit XCOFF file. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FileHeader64 { - /// Magic number. Must be 0x01F7. - pub f_magic: U16<BE>, - /// Number of sections. - pub f_nscns: U16<BE>, - /// Time and date of file creation - pub f_timdat: U32<BE>, - /// Byte offset to symbol table start. - pub f_symptr: U64<BE>, - /// Number of bytes in optional header - pub f_opthdr: U16<BE>, - /// Extra flags. - pub f_flags: U16<BE>, - /// Number of entries in symbol table. - pub f_nsyms: U32<BE>, -} - -// Values for `f_magic`. -// -/// the 64-bit mach magic number -pub const MAGIC_64: u16 = 0x01F7; -/// the 32-bit mach magic number -pub const MAGIC_32: u16 = 0x01DF; - -// Values for `f_flags`. -// -/// Indicates that the relocation information for binding has been removed from -/// the file. -pub const F_RELFLG: u16 = 0x0001; -/// Indicates that the file is executable. No unresolved external references exist. -pub const F_EXEC: u16 = 0x0002; -/// Indicates that line numbers have been stripped from the file by a utility program. -pub const F_LNNO: u16 = 0x0004; -/// Indicates that the file was profiled with the fdpr command. -pub const F_FDPR_PROF: u16 = 0x0010; -/// Indicates that the file was reordered with the fdpr command. -pub const F_FDPR_OPTI: u16 = 0x0020; -/// Indicates that the file uses Very Large Program Support. -pub const F_DSA: u16 = 0x0040; -/// Indicates that one of the members of the auxiliary header specifying the -/// medium page sizes is non-zero. -pub const F_VARPG: u16 = 0x0100; -/// Indicates the file is dynamically loadable and executable. External references -/// are resolved by way of imports, and the file might contain exports and loader -/// relocation. -pub const F_DYNLOAD: u16 = 0x1000; -/// Indicates the file is a shared object (shared library). The file is separately -/// loadable. That is, it is not normally bound with other objects, and its loader -/// exports symbols are used as automatic import symbols for other object files. -pub const F_SHROBJ: u16 = 0x2000; -/// If the object file is a member of an archive, it can be loaded by the system -/// loader, but the member is ignored by the binder. If the object file is not in -/// an archive, this flag has no effect. -pub const F_LOADONLY: u16 = 0x4000; - -/// The auxiliary header immediately following file header. If the value of the -/// f_opthdr field in the file header is 0, the auxiliary header does not exist. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct AuxHeader32 { - /// Flags. - pub o_mflag: U16<BE>, - /// Version. - pub o_vstamp: U16<BE>, - /// Text size in bytes. - pub o_tsize: U32<BE>, - /// Initialized data size in bytes. - pub o_dsize: U32<BE>, - /// Uninitialized data size in bytes. - pub o_bsize: U32<BE>, - /// Entry point descriptor (virtual address). - pub o_entry: U32<BE>, - /// Base address of text (virtual address). - pub o_text_start: U32<BE>, - /// Base address of data (virtual address). - pub o_data_start: U32<BE>, - /// Address of TOC anchor. - pub o_toc: U32<BE>, - /// Section number for entry point. - pub o_snentry: U16<BE>, - /// Section number for .text. - pub o_sntext: U16<BE>, - /// Section number for .data. - pub o_sndata: U16<BE>, - /// Section number for TOC. - pub o_sntoc: U16<BE>, - /// Section number for loader data. - pub o_snloader: U16<BE>, - /// Section number for .bss. - pub o_snbss: U16<BE>, - /// Maximum alignment for .text. - pub o_algntext: U16<BE>, - /// Maximum alignment for .data. - pub o_algndata: U16<BE>, - /// Module type field. - pub o_modtype: U16<BE>, - /// Bit flags - cpu types of objects. - pub o_cpuflag: u8, - /// Reserved for CPU type. - pub o_cputype: u8, - /// Maximum stack size allowed (bytes). - pub o_maxstack: U32<BE>, - /// Maximum data size allowed (bytes). - pub o_maxdata: U32<BE>, - /// Reserved for debuggers. - pub o_debugger: U32<BE>, - /// Requested text page size. - pub o_textpsize: u8, - /// Requested data page size. - pub o_datapsize: u8, - /// Requested stack page size. - pub o_stackpsize: u8, - /// Flags and thread-local storage alignment. - pub o_flags: u8, - /// Section number for .tdata. - pub o_sntdata: U16<BE>, - /// Section number for .tbss. - pub o_sntbss: U16<BE>, -} - -/// The auxiliary header immediately following file header. If the value of the -/// f_opthdr field in the file header is 0, the auxiliary header does not exist. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct AuxHeader64 { - /// Flags. - pub o_mflag: U16<BE>, - /// Version. - pub o_vstamp: U16<BE>, - /// Reserved for debuggers. - pub o_debugger: U32<BE>, - /// Base address of text (virtual address). - pub o_text_start: U64<BE>, - /// Base address of data (virtual address). - pub o_data_start: U64<BE>, - /// Address of TOC anchor. - pub o_toc: U64<BE>, - /// Section number for entry point. - pub o_snentry: U16<BE>, - /// Section number for .text. - pub o_sntext: U16<BE>, - /// Section number for .data. - pub o_sndata: U16<BE>, - /// Section number for TOC. - pub o_sntoc: U16<BE>, - /// Section number for loader data. - pub o_snloader: U16<BE>, - /// Section number for .bss. - pub o_snbss: U16<BE>, - /// Maximum alignment for .text. - pub o_algntext: U16<BE>, - /// Maximum alignment for .data. - pub o_algndata: U16<BE>, - /// Module type field. - pub o_modtype: U16<BE>, - /// Bit flags - cpu types of objects. - pub o_cpuflag: u8, - /// Reserved for CPU type. - pub o_cputype: u8, - /// Requested text page size. - pub o_textpsize: u8, - /// Requested data page size. - pub o_datapsize: u8, - /// Requested stack page size. - pub o_stackpsize: u8, - /// Flags and thread-local storage alignment. - pub o_flags: u8, - /// Text size in bytes. - pub o_tsize: U64<BE>, - /// Initialized data size in bytes. - pub o_dsize: U64<BE>, - /// Uninitialized data size in bytes. - pub o_bsize: U64<BE>, - /// Entry point descriptor (virtual address). - pub o_entry: U64<BE>, - /// Maximum stack size allowed (bytes). - pub o_maxstack: U64<BE>, - /// Maximum data size allowed (bytes). - pub o_maxdata: U64<BE>, - /// Section number for .tdata. - pub o_sntdata: U16<BE>, - /// Section number for .tbss. - pub o_sntbss: U16<BE>, - /// XCOFF64 flags. - pub o_x64flags: U16<BE>, - /// Reserved. - pub o_resv3a: U16<BE>, - /// Reserved. - pub o_resv3: [U32<BE>; 2], -} - -/// Some AIX programs generate auxiliary headers for 32-bit object files that -/// end after the data_start field. -pub const AOUTHSZ_SHORT: u16 = 28; - -/// Section header. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct SectionHeader32 { - /// Section name. - pub s_name: [u8; 8], - /// Physical address. - pub s_paddr: U32<BE>, - /// Virtual address (same as physical address). - pub s_vaddr: U32<BE>, - /// Section size. - pub s_size: U32<BE>, - /// Offset in file to raw data for section. - pub s_scnptr: U32<BE>, - /// Offset in file to relocation entries for section. - pub s_relptr: U32<BE>, - /// Offset in file to line number entries for section. - pub s_lnnoptr: U32<BE>, - /// Number of relocation entries. - pub s_nreloc: U16<BE>, - /// Number of line number entries. - pub s_nlnno: U16<BE>, - /// Flags to define the section type. - pub s_flags: U32<BE>, -} - -/// Section header. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct SectionHeader64 { - /// Section name. - pub s_name: [u8; 8], - /// Physical address. - pub s_paddr: U64<BE>, - /// Virtual address (same as physical address). - pub s_vaddr: U64<BE>, - /// Section size. - pub s_size: U64<BE>, - /// Offset in file to raw data for section. - pub s_scnptr: U64<BE>, - /// Offset in file to relocation entries for section. - pub s_relptr: U64<BE>, - /// Offset in file to line number entries for section. - pub s_lnnoptr: U64<BE>, - /// Number of relocation entries. - pub s_nreloc: U32<BE>, - /// Number of line number entries. - pub s_nlnno: U32<BE>, - /// Flags to define the section type. - pub s_flags: U32<BE>, - /// Reserved. - pub s_reserve: U32<BE>, -} - -// Values for `s_flags`. -// -/// "regular" section -pub const STYP_REG: u16 = 0x00; -/// Specifies a pad section. A section of this type is used to provide alignment -/// padding between sections within an XCOFF executable object file. This section -/// header type is obsolete since padding is allowed in an XCOFF file without a -/// corresponding pad section header. -pub const STYP_PAD: u16 = 0x08; -/// Specifies a DWARF debugging section, which provide source file and symbol -/// information for the symbolic debugger. -pub const STYP_DWARF: u16 = 0x10; -/// Specifies an executable text (code) section. A section of this type contains -/// the executable instructions of a program. -pub const STYP_TEXT: u16 = 0x20; -/// Specifies an initialized data section. A section of this type contains the -/// initialized data and the TOC of a program. -pub const STYP_DATA: u16 = 0x40; -/// Specifies an uninitialized data section. A section header of this type -/// defines the uninitialized data of a program. -pub const STYP_BSS: u16 = 0x80; -/// Specifies an exception section. A section of this type provides information -/// to identify the reason that a trap or exception occurred within an executable -/// object program. -pub const STYP_EXCEPT: u16 = 0x0100; -/// Specifies a comment section. A section of this type provides comments or data -/// to special processing utility programs. -pub const STYP_INFO: u16 = 0x0200; -/// Specifies an initialized thread-local data section. -pub const STYP_TDATA: u16 = 0x0400; -/// Specifies an uninitialized thread-local data section. -pub const STYP_TBSS: u16 = 0x0800; -/// Specifies a loader section. A section of this type contains object file -/// information for the system loader to load an XCOFF executable. The information -/// includes imported symbols, exported symbols, relocation data, type-check -/// information, and shared object names. -pub const STYP_LOADER: u16 = 0x1000; -/// Specifies a debug section. A section of this type contains stabstring -/// information used by the symbolic debugger. -pub const STYP_DEBUG: u16 = 0x2000; -/// Specifies a type-check section. A section of this type contains -/// parameter/argument type-check strings used by the binder. -pub const STYP_TYPCHK: u16 = 0x4000; -/// Specifies a relocation or line-number field overflow section. A section -/// header of this type contains the count of relocation entries and line -/// number entries for some other section. This section header is required -/// when either of the counts exceeds 65,534. -pub const STYP_OVRFLO: u16 = 0x8000; - -pub const SSUBTYP_DWINFO: u32 = 0x10000; -pub const SSUBTYP_DWLINE: u32 = 0x20000; -pub const SSUBTYP_DWPBNMS: u32 = 0x30000; -pub const SSUBTYP_DWPBTYP: u32 = 0x40000; -pub const SSUBTYP_DWARNGE: u32 = 0x50000; -pub const SSUBTYP_DWABREV: u32 = 0x60000; -pub const SSUBTYP_DWSTR: u32 = 0x70000; -pub const SSUBTYP_DWRNGES: u32 = 0x80000; -pub const SSUBTYP_DWLOC: u32 = 0x90000; -pub const SSUBTYP_DWFRAME: u32 = 0xA0000; -pub const SSUBTYP_DWMAC: u32 = 0xB0000; - -pub const SIZEOF_SYMBOL: usize = 18; - -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct SymbolBytes(pub [u8; SIZEOF_SYMBOL]); - -/// Symbol table entry. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct Symbol32 { - /// Symbol name. - /// - /// If first 4 bytes are 0, then second 4 bytes are offset into string table. - pub n_name: [u8; 8], - /// Symbol value; storage class-dependent. - pub n_value: U32<BE>, - /// Section number of symbol. - pub n_scnum: I16<BE>, - /// Basic and derived type specification. - pub n_type: U16<BE>, - /// Storage class of symbol. - pub n_sclass: u8, - /// Number of auxiliary entries. - pub n_numaux: u8, -} - -/// Symbol table entry. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct Symbol64 { - /// Symbol value; storage class-dependent. - pub n_value: U64<BE>, - /// Offset of the name in string table or .debug section. - pub n_offset: U32<BE>, - /// Section number of symbol. - pub n_scnum: I16<BE>, - /// Basic and derived type specification. - pub n_type: U16<BE>, - /// Storage class of symbol. - pub n_sclass: u8, - /// Number of auxiliary entries. - pub n_numaux: u8, -} - -// Values for `n_scnum`. -// -/// A special symbolic debugging symbol. -pub const N_DEBUG: i16 = -2; -/// An absolute symbol. The symbol has a value but is not relocatable. -pub const N_ABS: i16 = -1; -/// An undefined external symbol. -pub const N_UNDEF: i16 = 0; - -// Vlaues for `n_type`. -// -/// Values for visibility as they would appear when encoded in the high 4 bits -/// of the 16-bit unsigned n_type field of symbol table entries. Valid for -/// 32-bit XCOFF only when the o_vstamp in the auxiliary header is greater than 1. -pub const SYM_V_MASK: u16 = 0xF000; -pub const SYM_V_INTERNAL: u16 = 0x1000; -pub const SYM_V_HIDDEN: u16 = 0x2000; -pub const SYM_V_PROTECTED: u16 = 0x3000; -pub const SYM_V_EXPORTED: u16 = 0x4000; - -// Values for `n_sclass`. -// -// Storage classes used for symbolic debugging symbols. -// -/// Source file name and compiler information. -pub const C_FILE: u8 = 103; -/// Beginning of include file. -pub const C_BINCL: u8 = 108; -/// Ending of include file. -pub const C_EINCL: u8 = 109; -/// Global variable. -pub const C_GSYM: u8 = 128; -/// Statically allocated symbol. -pub const C_STSYM: u8 = 133; -/// Beginning of common block. -pub const C_BCOMM: u8 = 135; -/// End of common block. -pub const C_ECOMM: u8 = 137; -/// Alternate entry. -pub const C_ENTRY: u8 = 141; -/// Beginning of static block. -pub const C_BSTAT: u8 = 143; -/// End of static block. -pub const C_ESTAT: u8 = 144; -/// Global thread-local variable. -pub const C_GTLS: u8 = 145; -/// Static thread-local variable. -pub const C_STTLS: u8 = 146; -/// DWARF section symbol. -pub const C_DWARF: u8 = 112; -// -// Storage classes used for absolute symbols. -// -/// Automatic variable allocated on stack. -pub const C_LSYM: u8 = 129; -/// Argument to subroutine allocated on stack. -pub const C_PSYM: u8 = 130; -/// Register variable. -pub const C_RSYM: u8 = 131; -/// Argument to function or procedure stored in register. -pub const C_RPSYM: u8 = 132; -/// Local member of common block. -pub const C_ECOML: u8 = 136; -/// Function or procedure. -pub const C_FUN: u8 = 142; -// -// Storage classes used for undefined external symbols or symbols of general sections. -// -/// External symbol. -pub const C_EXT: u8 = 2; -/// Weak external symbol. -pub const C_WEAKEXT: u8 = 111; -// -// Storage classes used for symbols of general sections. -// -/// Symbol table entry marked for deletion. -pub const C_NULL: u8 = 0; -/// Static. -pub const C_STAT: u8 = 3; -/// Beginning or end of inner block. -pub const C_BLOCK: u8 = 100; -/// Beginning or end of function. -pub const C_FCN: u8 = 101; -/// Un-named external symbol. -pub const C_HIDEXT: u8 = 107; -/// Comment string in .info section. -pub const C_INFO: u8 = 110; -/// Declaration of object (type). -pub const C_DECL: u8 = 140; -// -// Storage classes - Obsolete/Undocumented. -// -/// Automatic variable. -pub const C_AUTO: u8 = 1; -/// Register variable. -pub const C_REG: u8 = 4; -/// External definition. -pub const C_EXTDEF: u8 = 5; -/// Label. -pub const C_LABEL: u8 = 6; -/// Undefined label. -pub const C_ULABEL: u8 = 7; -/// Member of structure. -pub const C_MOS: u8 = 8; -/// Function argument. -pub const C_ARG: u8 = 9; -/// Structure tag. -pub const C_STRTAG: u8 = 10; -/// Member of union. -pub const C_MOU: u8 = 11; -/// Union tag. -pub const C_UNTAG: u8 = 12; -/// Type definition. -pub const C_TPDEF: u8 = 13; -/// Undefined static. -pub const C_USTATIC: u8 = 14; -/// Enumeration tag. -pub const C_ENTAG: u8 = 15; -/// Member of enumeration. -pub const C_MOE: u8 = 16; -/// Register parameter. -pub const C_REGPARM: u8 = 17; -/// Bit field. -pub const C_FIELD: u8 = 18; -/// End of structure. -pub const C_EOS: u8 = 102; -/// Duplicate tag. -pub const C_ALIAS: u8 = 105; -/// Special storage class for external. -pub const C_HIDDEN: u8 = 106; -/// Physical end of function. -pub const C_EFCN: u8 = 255; -/// Reserved. -pub const C_TCSYM: u8 = 134; - -/// File Auxiliary Entry for C_FILE Symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FileAux32 { - /// The source file name or compiler-related string. - /// - /// If first 4 bytes are 0, then second 4 bytes are offset into string table. - pub x_fname: [u8; 8], - /// Pad size for file name. - pub x_fpad: [u8; 6], - /// The source-file string type. - pub x_ftype: u8, - /// Reserved. - pub x_freserve: [u8; 3], -} - -/// File Auxiliary Entry for C_FILE Symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FileAux64 { - /// The source file name or compiler-related string. - /// - /// If first 4 bytes are 0, then second 4 bytes are offset into string table. - pub x_fname: [u8; 8], - /// Pad size for file name. - pub x_fpad: [u8; 6], - /// The source-file string type. - pub x_ftype: u8, - /// Reserved. - pub x_freserve: [u8; 2], - /// Specifies the type of auxiliary entry. Contains _AUX_FILE for this auxiliary entry. - pub x_auxtype: u8, -} - -// Values for `x_ftype`. -// -/// Specifies the source-file name. -pub const XFT_FN: u8 = 0; -/// Specifies the compiler time stamp. -pub const XFT_CT: u8 = 1; -/// Specifies the compiler version number. -pub const XFT_CV: u8 = 2; -/// Specifies compiler-defined information. -pub const XFT_CD: u8 = 128; - -/// Csect auxiliary entry for C_EXT, C_WEAKEXT, and C_HIDEXT symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct CsectAux32 { - /// Section length. - pub x_scnlen: U32<BE>, - /// Offset of parameter type-check hash in .typchk section. - pub x_parmhash: U32<BE>, - /// .typchk section number. - pub x_snhash: U16<BE>, - /// Symbol alignment and type. - pub x_smtyp: u8, - /// Storage mapping class. - pub x_smclas: u8, - /// Reserved. - pub x_stab: U32<BE>, - /// x_snstab. - pub x_snstab: U16<BE>, -} - -/// Csect auxiliary entry for C_EXT, C_WEAKEXT, and C_HIDEXT symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct CsectAux64 { - /// Low 4 bytes of section length. - pub x_scnlen_lo: U32<BE>, - /// Offset of parameter type-check hash in .typchk section. - pub x_parmhash: U32<BE>, - /// .typchk section number. - pub x_snhash: U16<BE>, - /// Symbol alignment and type. - pub x_smtyp: u8, - /// Storage mapping class. - pub x_smclas: u8, - /// High 4 bytes of section length. - pub x_scnlen_hi: U32<BE>, - /// Reserved. - pub pad: u8, - /// Contains _AUX_CSECT; indicates type of auxiliary entry. - pub x_auxtype: u8, -} - -// Values for `x_smtyp`. -// -/// External reference. -pub const XTY_ER: u8 = 0; -/// Csect definition for initialized storage. -pub const XTY_SD: u8 = 1; -/// Defines an entry point to an initialized csect. -pub const XTY_LD: u8 = 2; -/// Common csect definition. For uninitialized storage. -pub const XTY_CM: u8 = 3; - -// Values for `x_smclas`. -// -// READ ONLY CLASSES -// -/// Program Code -pub const XMC_PR: u8 = 0; -/// Read Only Constant -pub const XMC_RO: u8 = 1; -/// Debug Dictionary Table -pub const XMC_DB: u8 = 2; -/// Global Linkage (Interfile Interface Code) -pub const XMC_GL: u8 = 6; -/// Extended Operation (Pseudo Machine Instruction) -pub const XMC_XO: u8 = 7; -/// Supervisor Call (32-bit process only) -pub const XMC_SV: u8 = 8; -/// Supervisor Call for 64-bit process -pub const XMC_SV64: u8 = 17; -/// Supervisor Call for both 32- and 64-bit processes -pub const XMC_SV3264: u8 = 18; -/// Traceback Index csect -pub const XMC_TI: u8 = 12; -/// Traceback Table csect -pub const XMC_TB: u8 = 13; -// -// READ WRITE CLASSES -// -/// Read Write Data -pub const XMC_RW: u8 = 5; -/// TOC Anchor for TOC Addressability -pub const XMC_TC0: u8 = 15; -/// General TOC item -pub const XMC_TC: u8 = 3; -/// Scalar data item in the TOC -pub const XMC_TD: u8 = 16; -/// Descriptor csect -pub const XMC_DS: u8 = 10; -/// Unclassified - Treated as Read Write -pub const XMC_UA: u8 = 4; -/// BSS class (uninitialized static internal) -pub const XMC_BS: u8 = 9; -/// Un-named Fortran Common -pub const XMC_UC: u8 = 11; -/// Initialized thread-local variable -pub const XMC_TL: u8 = 20; -/// Uninitialized thread-local variable -pub const XMC_UL: u8 = 21; -/// Symbol mapped at the end of TOC -pub const XMC_TE: u8 = 22; - -/// Function auxiliary entry. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FunAux32 { - /// File offset to exception table entry. - pub x_exptr: U32<BE>, - /// Size of function in bytes. - pub x_fsize: U32<BE>, - /// File pointer to line number - pub x_lnnoptr: U32<BE>, - /// Symbol table index of next entry beyond this function. - pub x_endndx: U32<BE>, - /// Pad - pub pad: U16<BE>, -} - -/// Function auxiliary entry. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct FunAux64 { - /// File pointer to line number - pub x_lnnoptr: U64<BE>, - /// Size of function in bytes. - pub x_fsize: U32<BE>, - /// Symbol table index of next entry beyond this function. - pub x_endndx: U32<BE>, - /// Pad - pub pad: u8, - /// Contains _AUX_FCN; Type of auxiliary entry. - pub x_auxtype: u8, -} - -/// Exception auxiliary entry. (XCOFF64 only) -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct ExpAux { - /// File offset to exception table entry. - pub x_exptr: U64<BE>, - /// Size of function in bytes. - pub x_fsize: U32<BE>, - /// Symbol table index of next entry beyond this function. - pub x_endndx: U32<BE>, - /// Pad - pub pad: u8, - /// Contains _AUX_EXCEPT; Type of auxiliary entry - pub x_auxtype: u8, -} - -/// Block auxiliary entry for the C_BLOCK and C_FCN Symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct BlockAux32 { - /// Reserved. - pub pad: [u8; 2], - /// High-order 2 bytes of the source line number. - pub x_lnnohi: U16<BE>, - /// Low-order 2 bytes of the source line number. - pub x_lnnolo: U16<BE>, - /// Reserved. - pub pad2: [u8; 12], -} - -/// Block auxiliary entry for the C_BLOCK and C_FCN Symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct BlockAux64 { - /// Source line number. - pub x_lnno: U32<BE>, - /// Reserved. - pub pad: [u8; 13], - /// Contains _AUX_SYM; Type of auxiliary entry. - pub x_auxtype: u8, -} - -/// Section auxiliary entry for the C_STAT Symbol. (XCOFF32 Only) -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct StatAux { - /// Section length. - pub x_scnlen: U32<BE>, - /// Number of relocation entries. - pub x_nreloc: U16<BE>, - /// Number of line numbers. - pub x_nlinno: U16<BE>, - /// Reserved. - pub pad: [u8; 10], -} - -/// Section auxiliary entry Format for C_DWARF symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct DwarfAux32 { - /// Length of portion of section represented by symbol. - pub x_scnlen: U32<BE>, - /// Reserved. - pub pad: [u8; 4], - /// Number of relocation entries in section. - pub x_nreloc: U32<BE>, - /// Reserved. - pub pad2: [u8; 6], -} - -/// Section auxiliary entry Format for C_DWARF symbols. -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct DwarfAux64 { - /// Length of portion of section represented by symbol. - pub x_scnlen: U64<BE>, - /// Number of relocation entries in section. - pub x_nreloc: U64<BE>, - /// Reserved. - pub pad: u8, - /// Contains _AUX_SECT; Type of Auxiliary entry. - pub x_auxtype: u8, -} - -// Values for `x_auxtype` -// -/// Identifies an exception auxiliary entry. -pub const AUX_EXCEPT: u8 = 255; -/// Identifies a function auxiliary entry. -pub const AUX_FCN: u8 = 254; -/// Identifies a symbol auxiliary entry. -pub const AUX_SYM: u8 = 253; -/// Identifies a file auxiliary entry. -pub const AUX_FILE: u8 = 252; -/// Identifies a csect auxiliary entry. -pub const AUX_CSECT: u8 = 251; -/// Identifies a SECT auxiliary entry. -pub const AUX_SECT: u8 = 250; - -/// Relocation table entry -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct Rel32 { - /// Virtual address (position) in section to be relocated. - pub r_vaddr: U32<BE>, - /// Symbol table index of item that is referenced. - pub r_symndx: U32<BE>, - /// Relocation size and information. - pub r_rsize: u8, - /// Relocation type. - pub r_rtype: u8, -} - -/// Relocation table entry -#[derive(Debug, Clone, Copy)] -#[repr(C)] -pub struct Rel64 { - /// Virtual address (position) in section to be relocated. - pub r_vaddr: U64<BE>, - /// Symbol table index of item that is referenced. - pub r_symndx: U32<BE>, - /// Relocation size and information. - pub r_rsize: u8, - /// Relocation type. - pub r_rtype: u8, -} - -// Values for `r_rtype`. -// -/// Positive relocation. -pub const R_POS: u8 = 0x00; -/// Positive indirect load relocation. -pub const R_RL: u8 = 0x0c; -/// Positive load address relocation. Modifiable instruction. -pub const R_RLA: u8 = 0x0d; -/// Negative relocation. -pub const R_NEG: u8 = 0x01; -/// Relative to self relocation. -pub const R_REL: u8 = 0x02; -/// Relative to the TOC relocation. -pub const R_TOC: u8 = 0x03; -/// TOC relative indirect load relocation. -pub const R_TRL: u8 = 0x12; -/// Relative to the TOC or to the thread-local storage base relocation. -pub const R_TRLA: u8 = 0x13; -/// Global linkage-external TOC address relocation. -pub const R_GL: u8 = 0x05; -/// Local object TOC address relocation. -pub const R_TCL: u8 = 0x06; -/// A non-relocating relocation. -pub const R_REF: u8 = 0x0f; -/// Branch absolute relocation. References a non-modifiable instruction. -pub const R_BA: u8 = 0x08; -/// Branch relative to self relocation. References a non-modifiable instruction. -pub const R_BR: u8 = 0x0a; -/// Branch absolute relocation. References a modifiable instruction. -pub const R_RBA: u8 = 0x18; -/// Branch relative to self relocation. References a modifiable instruction. -pub const R_RBR: u8 = 0x1a; -/// General-dynamic reference to TLS symbol. -pub const R_TLS: u8 = 0x20; -/// Initial-exec reference to TLS symbol. -pub const R_TLS_IE: u8 = 0x21; -/// Local-dynamic reference to TLS symbol. -pub const R_TLS_LD: u8 = 0x22; -/// Local-exec reference to TLS symbol. -pub const R_TLS_LE: u8 = 0x23; -/// Module reference to TLS. -pub const R_TLSM: u8 = 0x24; -/// Module reference to the local TLS storage. -pub const R_TLSML: u8 = 0x25; -/// Relative to TOC upper. -pub const R_TOCU: u8 = 0x30; -/// Relative to TOC lower. -pub const R_TOCL: u8 = 0x31; - -unsafe_impl_pod!( - FileHeader32, - FileHeader64, - AuxHeader32, - AuxHeader64, - SectionHeader32, - SectionHeader64, - SymbolBytes, - Symbol32, - Symbol64, - FileAux32, - FileAux64, - CsectAux32, - CsectAux64, - FunAux32, - FunAux64, - ExpAux, - BlockAux32, - BlockAux64, - StatAux, - DwarfAux32, - DwarfAux64, - Rel32, - Rel64, -); |