elf/tst-auditmod1.c

   1 #include <dlfcn.h>
   2 #include <link.h>
   3 #include <stddef.h>
   4 #include <stdint.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include <bits/wordsize.h>
  10 #include <gnu/lib-names.h>
  11
  12
  13 unsigned int
  14 la_version (unsigned int v)
  15 {
  16   setlinebuf (stdout);
  17
  18   printf ("version: %u\n", v);
  19
  20   char buf[20];
  21   sprintf (buf, "%u", v);
  22
  23   return v;
  24 }
  25
  26 void
  27 la_activity (uintptr_t *cookie, unsigned int flag)
  28 {
  29   if (flag == LA_ACT_CONSISTENT)
  30     printf ("activity: consistent\n");
  31   else if (flag == LA_ACT_ADD)
  32     printf ("activity: add\n");
  33   else if (flag == LA_ACT_DELETE)
  34     printf ("activity: delete\n");
  35   else
  36     printf ("activity: unknown activity %u\n", flag);
  37 }
  38
  39 char *
  40 la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
  41 {
  42   char buf[100];
  43   const char *flagstr;
  44   if (flag == LA_SER_ORIG)
  45     flagstr = "LA_SET_ORIG";
  46   else if (flag == LA_SER_LIBPATH)
  47     flagstr = "LA_SER_LIBPATH";
  48   else if (flag == LA_SER_RUNPATH)
  49     flagstr = "LA_SER_RUNPATH";
  50   else if (flag == LA_SER_CONFIG)
  51     flagstr = "LA_SER_CONFIG";
  52   else if (flag == LA_SER_DEFAULT)
  53     flagstr = "LA_SER_DEFAULT";
  54   else if (flag == LA_SER_SECURE)
  55     flagstr = "LA_SER_SECURE";
  56   else
  57     {
  58        sprintf (buf, "unknown flag %d", flag);
  59        flagstr = buf;
  60     }
  61   printf ("objsearch: %s, %s\n", name, flagstr);
  62
  63   return (char *) name;
  64 }
  65
  66 unsigned int
  67 la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)
  68 {
  69   printf ("objopen: %ld, %s\n", lmid, l->l_name);
  70
  71   return 3;
  72 }
  73
  74 void
  75 la_preinit (uintptr_t *cookie)
  76 {
  77   printf ("preinit\n");
  78 }
  79
  80 unsigned int
  81 la_objclose  (uintptr_t *cookie)
  82 {
  83   printf ("objclose\n");
  84   return 0;
  85 }
  86
  87 uintptr_t
  88 la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
  89               uintptr_t *defcook, unsigned int *flags, const char *symname)
  90 {
  91   printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
  92           symname, (long int) sym->st_value, ndx, *flags);
  93
  94   return sym->st_value;
  95 }
  96
  97 uintptr_t
  98 la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
  99               uintptr_t *defcook, unsigned int *flags, const char *symname)
 100 {
 101   printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
 102           symname, (long int) sym->st_value, ndx, *flags);
 103
 104   return sym->st_value;
 105 }
 106
 107 #include <tst-audit.h>
 108 #if (!defined (pltenter) || !defined (pltexit) || !defined (La_regs) \
 109      || !defined (La_retval) || !defined (int_retval))
 110 # error "architecture specific code needed in sysdeps/CPU/tst-audit.h"
 111 #endif
 112
 113
 114 ElfW(Addr)
 115 pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
 116           uintptr_t *defcook, La_regs *regs, unsigned int *flags,
 117           const char *symname, long int *framesizep)
 118 {
 119   printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
 120           symname, (long int) sym->st_value, ndx, *flags);
 121
 122   return sym->st_value;
 123 }
 124
 125 unsigned int
 126 pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
 127          uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
 128          const char *symname)
 129 {
 130   printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
 131           symname, (long int) sym->st_value, ndx,
 132           (ptrdiff_t) outregs->int_retval);
 133
 134   return 0;
 135 }