Sync headers to ld.so for gdb/arc support

diff --git a/sys/arch/arc/include/elf_abi.h b/sys/arch/arc/include/elf_abi.h
index c2c6bee..4290c15 100644 (file)
--- a/sys/arch/arc/include/elf_abi.h
+++ b/sys/arch/arc/include/elf_abi.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: elf_abi.h,v 1.1 1996/09/17 18:26:24 pefo Exp $ */
+/*     $OpenBSD: elf_abi.h,v 1.2 1996/12/11 05:55:34 imp Exp $ */
 
 /*
  * Copyright (c) 1996 Per Fogelstrom
@@ -55,3 +55,4 @@
 #define DT_MIPS_HIPAGENO     0x70000014 /* Number of GOT page table entries */
 #define DT_MIPS_RLD_MAP      0x70000016 /* Address of debug map pointer */
 
+#define DT_PROCNUM (DT_MIPS_HIPAGENO - DT_LOPROC + 1)

diff --git a/sys/arch/arc/include/link.h b/sys/arch/arc/include/link.h
index a6c1397..39e137f 100644 (file)
--- a/sys/arch/arc/include/link.h
+++ b/sys/arch/arc/include/link.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: link.h,v 1.1 1996/09/17 18:26:25 pefo Exp $ */
+/*     $OpenBSD: link.h,v 1.2 1996/12/11 05:55:35 imp Exp $ */
 
 /*
  * Copyright (c) 1996 Per Fogelstrom
@@ -35,7 +35,7 @@
 #ifndef _LINK_H
 #define _LINK_H 1
  
-#include <elf.h>
+#include <elf_abi.h>
 #include <machine/elf_abi.h>
 
 /*
@@ -65,4 +65,61 @@ struct r_debug {
        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.  */
+  };
+
 #endif /* _LINK_H */

diff --git a/sys/sys/exec_elf.h b/sys/sys/exec_elf.h
index 1f45dce..845d2ab 100644 (file)
--- a/sys/sys/exec_elf.h
+++ b/sys/sys/exec_elf.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: exec_elf.h,v 1.9 1996/11/06 18:41:52 etheisen Exp $   */
+/*     $OpenBSD: exec_elf.h,v 1.10 1996/12/11 05:55:33 imp Exp $       */
 /*
  * Copyright (c) 1995, 1996 Erik Theisen.  All rights reserved.
  *
@@ -338,6 +338,7 @@ extern Elf32_Dyn    _DYNAMIC[];
 #define DT_DEBUG       21              /* bugger */
 #define DT_TEXTREL     22              /* Allow rel. mod. to unwritable seg */
 #define DT_JMPREL      23              /* add. of PLT's relocation entries */
+#define DT_NUM         24              /* Number used. */
 #define DT_LOPROC      0x70000000      /* reserved range for processor */
 #define DT_HIPROC      0x7fffffff      /*  specific dynamic array tags */