10908 Simplify SMAP relocations with krtld

@@ -22,10 +22,13 @@
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  *
  * Copyright 2017 RackTop Systems.
  */
+/*
+ * Copyright (c) 2017 Joyent, Inc.
+ */
 
 #ifndef _SYS_KOBJ_H
 #define _SYS_KOBJ_H
 
 #include <sys/modctl.h>

@@ -45,10 +48,16 @@
 struct module_list {
         struct module_list *next;
         struct module *mp;
 };
 
+typedef struct hotinline_desc {
+        char    *hid_symname;           /* symbol name */
+        uintptr_t hid_instr_offset;     /* offset of call in text */
+        struct hotinline_desc *hid_next;        /* next hotinline */
+} hotinline_desc_t;
+
 typedef unsigned short  symid_t;                /* symbol table index */
 typedef unsigned char   *reloc_dest_t;
 
 typedef void    module_mach;
 

@@ -97,10 +106,12 @@
         size_t fbt_size;
         size_t fbt_nentries;
         caddr_t textwin;
         caddr_t textwin_base;
 
+        hotinline_desc_t *hi_calls;
+
         sdt_probedesc_t *sdt_probes;
         size_t sdt_nprobes;
         char *sdt_tab;
         size_t sdt_size;
 

@@ -185,10 +196,11 @@
 extern void kobj_close_file(struct _buf *);
 extern int kobj_read_file(struct _buf *, char *, unsigned, unsigned);
 extern int kobj_get_filesize(struct _buf *, uint64_t *size);
 extern uintptr_t kobj_getelfsym(char *, void *, int *);
 extern void kobj_set_ctf(struct module *, caddr_t data, size_t size);
+extern void do_hotinlines(struct module *);
 
 extern int kobj_filbuf(struct _buf *);
 extern void kobj_sync(void);
 #if defined(__i386) || defined(__sparc) || defined(__amd64)
 extern void kobj_vmem_init(vmem_t **, vmem_t **);