#ifndef _INTERNAL_XCOFF_H
#define _INTERNAL_XCOFF_H
-/*
- * LINKER
- */
+/* Linker */
-/*
- * names of "special" sections
- */
+/* Names of "special" sections. */
#define _TEXT ".text"
#define _DATA ".data"
#define _BSS ".bss"
#define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */
#define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */
-
/* XCOFF relocation types.
The relocations are described in the function
xcoff[64]_ppc_relocate_section in coff64-rs6000.c and coff-rs6000.c */
#define R_RBR (0x1a)
#define R_RBRC (0x1b)
+/* Storage class #defines, from /usr/include/storclass.h that are not already
+ defined in internal.h */
-/*
- * Storage class #defines, from /usr/include/storclass.h
- * That are not already defined in internal.h
- */
-#define C_INFO 110 /* Comment string in .info section */
-
+/* Comment string in .info section */
+#define C_INFO 110
-/*
- * AUXILLARY SYMBOL ENTRIES
- *
- * auxemt
- */
+/* Auxillary Symbol Entries */
/* x_smtyp values: */
-
#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
/* Symbol type values: */
#define XTY_US 5 /* "Reserved for internal use" */
/* x_smclas values: */
-
#define XMC_PR 0 /* Read-only program code */
#define XMC_RO 1 /* Read-only constant */
#define XMC_DB 2 /* Read-only debug dictionary table */
struct internal_ldhdr
{
- /*
- * The version number:
- * 1 : 32 bit
- * 2 : 64 bit
- */
+ /* The version number:
+ 1 : 32 bit
+ 2 : 64 bit */
unsigned long l_version;
+
/* The number of symbol table entries. */
bfd_size_type l_nsyms;
+
/* The number of relocation table entries. */
bfd_size_type l_nreloc;
+
/* The length of the import file string table. */
bfd_size_type l_istlen;
+
/* The number of import files. */
bfd_size_type l_nimpid;
+
/* The offset from the start of the .loader section to the first
entry in the import file table. */
bfd_size_type l_impoff;
+
/* The length of the string table. */
bfd_size_type l_stlen;
+
/* The offset from the start of the .loader section to the first
entry in the string table. */
bfd_size_type l_stoff;
+
/* The offset to start of the symbol table, only in XCOFF64 */
bfd_vma l_symoff;
+
/* The offset to the start of the relocation table, only in XCOFF64 */
bfd_vma l_rldoff;
};
struct internal_ldsym
{
union
+ {
+ /* The symbol name if <= SYMNMLEN characters. */
+ char _l_name[SYMNMLEN];
+ struct
{
- /* The symbol name if <= SYMNMLEN characters. */
- char _l_name[SYMNMLEN];
- struct
- {
- /* Zero if the symbol name is more than SYMNMLEN characters. */
- long _l_zeroes;
- /* The offset in the string table if the symbol name is more
- than SYMNMLEN characters. */
- long _l_offset;
- } _l_l;
- } _l;
+ /* Zero if the symbol name is more than SYMNMLEN characters. */
+ long _l_zeroes;
+
+ /* The offset in the string table if the symbol name is more
+ than SYMNMLEN characters. */
+ long _l_offset;
+ }
+ _l_l;
+ }
+ _l;
+
/* The symbol value. */
bfd_vma l_value;
+
/* The symbol section number. */
short l_scnum;
+
/* The symbol type and flags. */
char l_smtype;
+
/* The symbol storage class. */
char l_smclas;
+
/* The import file ID. */
bfd_size_type l_ifile;
+
/* Offset to the parameter type check string. */
bfd_size_type l_parm;
};
{
/* The reloc address. */
bfd_vma l_vaddr;
+
/* The symbol table index in the .loader section symbol table. */
bfd_size_type l_symndx;
+
/* The relocation type and size. */
short l_rtype;
+
/* The section number this relocation applies to. */
short l_rsecnm;
};
asection *toc_section;
union
- {
- /* If we have created a TOC entry (the XCOFF_SET_TOC flag is
- set), this is the offset in toc_section. */
- bfd_vma toc_offset;
- /* If the TOC entry comes from an input file, this is set to the
- symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */
- long toc_indx;
- } u;
+ {
+ /* If we have created a TOC entry (the XCOFF_SET_TOC flag is
+ set), this is the offset in toc_section. */
+ bfd_vma toc_offset;
+
+ /* If the TOC entry comes from an input file, this is set to the
+ symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */
+ long toc_indx;
+ }
+ u;
/* If this symbol is a function entry point which is called, this
field holds a pointer to the function descriptor. If this symbol
unsigned char smclas;
};
-/*
- * #define for xcoff_link_hash_entry.flags
- *
- * XCOFF_REF_REGULAR
- * Symbol is referenced by a regular object.
- *
- * XCOFF_DEF_REGULAR
- * Symbol is defined by a regular object.
- *
- * XCOFF_DEF_DYNAMIC
- * Symbol is defined by a dynamic object.
- *
- * XCOFF_LDREL
- * Symbol is used in a reloc being copied into the .loader section.
- *
- * XCOFF_ENTRY
- * Symbol is the entry point.
- *
- * XCOFF_CALLED
- * Symbol is called; this is, it appears in a R_BR reloc.
- *
- * XCOFF_SET_TOC
- * Symbol needs the TOC entry filled in.
- *
- * XCOFF_IMPORT
- * Symbol is explicitly imported.
- *
- * XCOFF_EXPORT
- * Symbol is explicitly exported.
- *
- * XCOFF_BUILT_LDSYM
- * Symbol has been processed by xcoff_build_ldsyms.
- *
- * XCOFF_MARK
- * Symbol is mentioned by a section which was not garbage collected.
- *
- * XCOFF_HAS_SIZE
- * Symbol size is recorded in size_list list from hash table.
- *
- * XCOFF_DESCRIPTOR
- * Symbol is a function descriptor.
- *
- * XCOFF_MULTIPLY_DEFINED
- * Multiple definitions have been for the symbol.
- *
- * XCOFF_RTINIT
- * Symbol is the __rtinit symbol
- *
- * XCOFF_SYSCALL32
- * Symbol is an imported 32 bit syscall
- *
- * XCOFF_SYSCALL64
- * Symbol is an imported 64 bit syscall
- */
+/* Flags for xcoff_link_hash_entry. */
+/* Symbol is referenced by a regular object. */
#define XCOFF_REF_REGULAR 0x00000001
+/* Symbol is defined by a regular object. */
#define XCOFF_DEF_REGULAR 0x00000002
+/* Symbol is defined by a dynamic object. */
#define XCOFF_DEF_DYNAMIC 0x00000004
+/* Symbol is used in a reloc being copied into the .loader section. */
#define XCOFF_LDREL 0x00000008
+/* Symbol is the entry point. */
#define XCOFF_ENTRY 0x00000010
+/* Symbol is called; this is, it appears in a R_BR reloc. */
#define XCOFF_CALLED 0x00000020
+/* Symbol needs the TOC entry filled in. */
#define XCOFF_SET_TOC 0x00000040
+/* Symbol is explicitly imported. */
#define XCOFF_IMPORT 0x00000080
+/* Symbol is explicitly exported. */
#define XCOFF_EXPORT 0x00000100
+/* Symbol has been processed by xcoff_build_ldsyms. */
#define XCOFF_BUILT_LDSYM 0x00000200
+/* Symbol is mentioned by a section which was not garbage collected. */
#define XCOFF_MARK 0x00000400
+/* Symbol size is recorded in size_list list from hash table. */
#define XCOFF_HAS_SIZE 0x00000800
+/* Symbol is a function descriptor. */
#define XCOFF_DESCRIPTOR 0x00001000
+/* Multiple definitions have been for the symbol. */
#define XCOFF_MULTIPLY_DEFINED 0x00002000
+/* Symbol is the __rtinit symbol. */
#define XCOFF_RTINIT 0x00004000
+/* Symbol is an imported 32 bit syscall. */
#define XCOFF_SYSCALL32 0x00008000
+/* Symbol is an imported 64 bit syscall. */
#define XCOFF_SYSCALL64 0x00010000
/* The XCOFF linker hash table. */
/* A linked list of symbols for which we have size information. */
struct xcoff_link_size_list
- {
- struct xcoff_link_size_list *next;
- struct xcoff_link_hash_entry *h;
- bfd_size_type size;
- } *size_list;
+ {
+ struct xcoff_link_size_list *next;
+ struct xcoff_link_hash_entry *h;
+ bfd_size_type size;
+ }
+ *size_list;
/* Magic sections: _text, _etext, _data, _edata, _end, end. */
asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
{
/* Set if a problem occurred. */
boolean failed;
+
/* Output BFD. */
bfd *output_bfd;
+
/* Link information structure. */
struct bfd_link_info *info;
+
/* Whether all defined symbols should be exported. */
boolean export_defineds;
+
/* Number of ldsym structures. */
size_t ldsym_count;
+
/* Size of string table. */
size_t string_size;
+
/* String table. */
bfd_byte *strings;
+
/* Allocated size of string table. */
size_t string_alc;
};
from smaller values. Start with zero, widen, *then* decrement. */
#define MINUS_ONE (((bfd_vma) 0) - 1)
+/* __rtinit, from /usr/include/rtinit.h. */
+struct __rtinit
+{
+ /* Pointer to runtime linker.
+ XXX: Is the parameter really void? */
+ int (*rtl) PARAMS ((void));
+
+ /* Offset to array of init functions, 0 if none. */
+ int init_offset;
+
+ /* Offset to array of fini functions, 0 if none. */
+ int fini_offset;
-/*
- * __rtinit
- * from /usr/include/rtinit.h
- */
-struct __rtinit {
- int (*rtl) PARAMS ((void)); /* Pointer to runtime linker.
- XXX: Is the parameter really void? */
- int init_offset; /* Offset to array of init functions
- (0 if none). */
- int fini_offset; /* Offset to array of fini functions
- (0 if none). */
- int __rtinit_descriptor_size; /* Size of __RTINIT_DESCRIPTOR.
- This value should be used instead
- of sizeof(__RTINIT_DESCRIPTOR). */
+ /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of
+ sizeof(__RTINIT_DESCRIPTOR). */
+ int __rtinit_descriptor_size;
};
#define RTINIT_DESCRIPTOR_SIZE (12)
-struct __rtinit_descriptor {
- int f; /* Init/fini function. */
- int name_offset; /* Offset (within __rtinit symbol)
- to name of function. */
- unsigned char flags; /* Flags */
-};
+struct __rtinit_descriptor
+{
+ /* Init/fini function. */
+ int f;
+ /* Offset, relative to the start of the __rtinit symbol, to name of the
+ function. */
+ int name_offset;
+
+ /* Flags */
+ unsigned char flags;
+};
-/*
- * ARCHIVE
- */
+/* Archive */
#define XCOFFARMAG "<aiaff>\012"
#define XCOFFARMAGBIG "<bigaf>\012"
git://sourceware.org / newlib-cygwin.git / commitdiff