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Diffstat (limited to 'sys/arch/sparc64/include')
| -rw-r--r-- | sys/arch/sparc64/include/link.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/sys/arch/sparc64/include/link.h b/sys/arch/sparc64/include/link.h deleted file mode 100644 index b5e5a63f546..00000000000 --- a/sys/arch/sparc64/include/link.h +++ /dev/null @@ -1,183 +0,0 @@ -/* $OpenBSD: link.h,v 1.1 2002/04/08 04:51:48 fgsch Exp $ */ - -/* - * Copyright (c) 1996 Per Fogelstrom - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed under OpenBSD by - * Per Fogelstrom. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#ifndef _SPARC64_LINK_H -#define _SPARC64_LINK_H - -#include <elf_abi.h> -#include <machine/elf_abi.h> - -/* - * Debug rendezvous struct. Pointer to this is set up in the - * target code pointed by the DT_MIPS_RLD_MAP tag. If it is - * defined. - */ - -struct r_debug { - int r_version; /* Protocol version. */ - struct link_map *r_map; /* Head of list of loaded objects. */ - - /* This is the address of a function internal to the run-time linker, - that will always be called when the linker begins to map in a - library or unmap it, and again when the mapping change is complete. - The debugger can set a breakpoint at this address if it wants to - notice shared object mapping changes. */ - Elf32_Addr r_brk; - enum { - /* This state value describes the mapping change taking place when - the `r_brk' address is called. */ - RT_CONSISTENT, /* Mapping change is complete. */ - RT_ADD, /* Adding a new object. */ - RT_DELETE, /* Removing an object mapping. */ - } r_state; - - Elf32_Addr r_ldbase; /* Base address the linker is loaded at. */ - }; - -/* This symbol refers to the "dynamic structure" in the `.dynamic' section - of whatever module refers to `_DYNAMIC'. So, to find its own - `struct r_debug', a program could do: - for (dyn = _DYNAMIC; dyn->d_tag != DT_NULL) - if (dyn->d_tag == DT_MIPS_RLD_MAP) r_debug = (struct r_debug) dyn->d_un.d_ptr; - */ - -extern Elf32_Dyn _DYNAMIC[]; - - -/* Structure describing a loaded shared object. The `l_next' and `l_prev' - members form a chain of all the shared objects loaded at startup. - - These data structures exist in space used by the run-time dynamic linker; - modifying them may have disastrous results. */ - -struct link_map - { - /* These first few members are part of the protocol with the debugger. - This is the same format used in SVR4. */ - - Elf32_Addr l_addr; /* Base address shared object is loaded at. */ - Elf32_Addr l_offs; /* Offset */ - char *l_name; /* Absolute file name object was found in. */ - Elf32_Dyn *l_ld; /* Dynamic section of the shared object. */ - struct link_map *l_next, *l_prev; /* Chain of loaded objects. */ - - /* All following members are internal to the dynamic linker. - They may change without notice. */ - - const char *l_libname; /* Name requested (before search). */ - - /* Indexed pointers to dynamic section. */ - Elf32_Dyn *l_info[DT_NUM + DT_PROCNUM]; - - const Elf32_Phdr *l_phdr; /* Pointer to program header table in core. */ - Elf32_Word l_phnum; /* Number of program header entries. */ - Elf32_Addr l_entry; /* Entry point location. */ - - /* Symbol hash table. */ - Elf32_Word l_nbuckets; - const Elf32_Word *l_buckets, *l_chain; - - unsigned int l_opencount; /* Reference count for dlopen/dlclose. */ - enum /* Where this object came from. */ - { - lt_executable, /* The main executable program. */ - lt_interpreter, /* The interpreter: the dynamic linker. */ - lt_library, /* Library needed by main executable. */ - lt_loaded, /* Extra run-time loaded shared object. */ - } l_type:2; - unsigned int l_deps_loaded:1; /* Nonzero if DT_NEEDED items loaded. */ - unsigned int l_relocated:1; /* Nonzero if object's relocations done. */ - unsigned int l_init_called:1; /* Nonzero if DT_INIT function called. */ - unsigned int l_init_running:1; /* Nonzero while DT_INIT function runs. */ - }; - -/* SOD information used by ldconfig and ld.so */ -/* - * Maximum number of recognized shared object version numbers. - */ -#define MAXDEWEY 8 - -/* - * Header of the hints file. - */ -struct hints_header { - long hh_magic; -#define HH_MAGIC 011421044151 - long hh_version; /* Interface version number */ -#define LD_HINTS_VERSION_1 1 -#define LD_HINTS_VERSION_2 2 - long hh_hashtab; /* Location of hash table */ - long hh_nbucket; /* Number of buckets in hashtab */ - long hh_strtab; /* Location of strings */ - long hh_strtab_sz; /* Size of strings */ - long hh_ehints; /* End of hints (max offset in file) */ - long hh_dirlist; /* Colon-separated list of srch dirs */ -}; - -#define HH_BADMAG(hdr) ((hdr).hh_magic != HH_MAGIC) - -/* - * Hash table element in hints file. - */ -struct hints_bucket { - /* namex and pathx are indices into the string table */ - int hi_namex; /* Library name */ - int hi_pathx; /* Full path */ - int hi_dewey[MAXDEWEY]; /* The versions */ - int hi_ndewey; /* Number of version numbers */ -#define hi_major hi_dewey[0] -#define hi_minor hi_dewey[1] - int hi_next; /* Next in this bucket */ -}; - -#define _PATH_LD_HINTS "/var/run/ld.so.hints" - -/* - * A `Shared Object Descriptor' describes a shared object that is needed - * to complete the link edit process of the object containing it. - * A list of such objects (chained through `sod_next') is pointed at - * by `sdt_sods' in the section_dispatch_table structure. - */ - -struct sod { /* Shared Object Descriptor */ - long sod_name; /* name (relative to load address) */ - u_int sod_library : 1, /* Searched for by library rules */ - sod_reserved : 31; - short sod_major; /* major version number */ - short sod_minor; /* minor version number */ - long sod_next; /* next sod */ -}; - - -#endif /* _SPARC64_LINK_H */ |