elf/tst-auditmod1.c

   1 #include <dlfcn.h>
   2 #include <stdint.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <unistd.h>
   7 #include <bits/wordsize.h>
   8 #include <gnu/lib-names.h>
   9
  10
  11 unsigned int
  12 la_version (unsigned int v)
  13 {
  14   setlinebuf (stdout);
  15
  16   printf ("version: %u\n", v);
  17
  18   char buf[20];
  19   sprintf (buf, "%u", v);
  20
  21   return v;
  22 }
  23
  24 void
  25 la_activity (uintptr_t *cookie, unsigned int flag)
  26 {
  27   if (flag == LA_ACT_CONSISTENT)
  28     printf ("activity: consistent\n");
  29   else if (flag == LA_ACT_ADD)
  30     printf ("activity: add\n");
  31   else if (flag == LA_ACT_DELETE)
  32     printf ("activity: delete\n");
  33   else
  34     printf ("activity: unknown activity %u\n", flag);
  35 }
  36
  37 char *
  38 la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
  39 {
  40   char buf[100];
  41   const char *flagstr;
  42   if (flag == LA_SER_ORIG)
  43     flagstr = "LA_SET_ORIG";
  44   else if (flag == LA_SER_LIBPATH)
  45     flagstr = "LA_SER_LIBPATH";
  46   else if (flag == LA_SER_RUNPATH)
  47     flagstr = "LA_SER_RUNPATH";
  48   else if (flag == LA_SER_CONFIG)
  49     flagstr = "LA_SER_CONFIG";
  50   else if (flag == LA_SER_DEFAULT)
  51     flagstr = "LA_SER_DEFAULT";
  52   else if (flag == LA_SER_SECURE)
  53     flagstr = "LA_SER_SECURE";
  54   else
  55     {
  56        sprintf (buf, "unknown flag %d", flag);
  57        flagstr = buf;
  58     }
  59   printf ("objsearch: %s, %s\n", name, flagstr);
  60
  61   return (char *) name;
  62 }
  63
  64 unsigned int
  65 la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)
  66 {
  67   printf ("objopen: %ld, %s\n", lmid, l->l_name);
  68
  69   return 3;
  70 }
  71
  72 void
  73 la_preinit (uintptr_t *cookie)
  74 {
  75   printf ("preinit\n");
  76 }
  77
  78 unsigned int
  79 la_objclose  (uintptr_t *cookie)
  80 {
  81   printf ("objclose\n");
  82   return 0;
  83 }
  84
  85 uintptr_t
  86 la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
  87               uintptr_t *defcook, unsigned int *flags, const char *symname)
  88 {
  89   printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
  90           symname, (long int) sym->st_value, ndx, *flags);
  91
  92   return sym->st_value;
  93 }
  94
  95 uintptr_t
  96 la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
  97               uintptr_t *defcook, unsigned int *flags, const char *symname)
  98 {
  99   printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
 100           symname, (long int) sym->st_value, ndx, *flags);
 101
 102   return sym->st_value;
 103 }
 104
 105 #ifdef __i386__
 106 # define pltenter la_i86_gnu_pltenter
 107 # define pltexit la_i86_gnu_pltexit
 108 # define La_regs La_i86_regs
 109 # define La_retval La_i86_retval
 110 # define int_retval lrv_eax
 111 #elif defined __x86_64__
 112 # ifdef __LP64__
 113 #  define pltenter la_x86_64_gnu_pltenter
 114 #  define pltexit la_x86_64_gnu_pltexit
 115 #  define La_regs La_x86_64_regs
 116 #  define La_retval La_x86_64_retval
 117 # else
 118 #  define pltenter la_x32_gnu_pltenter
 119 #  define pltexit la_x32_gnu_pltexit
 120 #  define La_regs La_x32_regs
 121 #  define La_retval La_x32_retval
 122 # endif
 123 # define int_retval lrv_rax
 124 #elif defined __powerpc__ && __WORDSIZE == 32
 125 # define pltenter la_ppc32_gnu_pltenter
 126 # define pltexit la_ppc32_gnu_pltexit
 127 # define La_regs La_ppc32_regs
 128 # define La_retval La_ppc32_retval
 129 # define int_retval lrv_r3
 130 #elif defined __powerpc__ && __WORDSIZE == 64
 131 # define pltenter la_ppc64_gnu_pltenter
 132 # define pltexit la_ppc64_gnu_pltexit
 133 # define La_regs La_ppc64_regs
 134 # define La_retval La_ppc64_retval
 135 # define int_retval lrv_r3
 136 #elif defined __sh__
 137 # define pltenter la_sh_gnu_pltenter
 138 # define pltexit la_sh_gnu_pltexit
 139 # define La_regs La_sh_regs
 140 # define La_retval La_sh_retval
 141 # define int_retval lrv_r0
 142 #elif defined __alpha__
 143 # define pltenter la_alpha_gnu_pltenter
 144 # define pltexit la_alpha_gnu_pltexit
 145 # define La_regs La_alpha_regs
 146 # define La_retval La_alpha_retval
 147 # define int_retval lrv_r0
 148 #elif defined __s390__ && __WORDSIZE == 32
 149 # define pltenter la_s390_32_gnu_pltenter
 150 # define pltexit la_s390_32_gnu_pltexit
 151 # define La_regs La_s390_32_regs
 152 # define La_retval La_s390_32_retval
 153 # define int_retval lrv_r2
 154 #elif defined __s390__ && __WORDSIZE == 64
 155 # define pltenter la_s390_64_gnu_pltenter
 156 # define pltexit la_s390_64_gnu_pltexit
 157 # define La_regs La_s390_64_regs
 158 # define La_retval La_s390_64_retval
 159 # define int_retval lrv_r2
 160 #elif defined __sparc__ && __WORDSIZE == 32
 161 # define pltenter la_sparc32_gnu_pltenter
 162 # define pltexit la_sparc32_gnu_pltexit
 163 # define La_regs La_sparc32_regs
 164 # define La_retval La_sparc32_retval
 165 # define int_retval lrv_reg[0]
 166 #elif defined __sparc__ && __WORDSIZE == 64
 167 # define pltenter la_sparc64_gnu_pltenter
 168 # define pltexit la_sparc64_gnu_pltexit
 169 # define La_regs La_sparc64_regs
 170 # define La_retval La_sparc64_retval
 171 # define int_retval lrv_reg[0]
 172 #endif
 173
 174 #include <tst-audit.h>
 175 #if (!defined (pltenter) || !defined (pltexit) || !defined (La_regs) \
 176      || !defined (La_retval) || !defined (int_retval))
 177 # error "architecture specific code needed in sysdeps/CPU/tst-audit.h or here"
 178 #endif
 179
 180
 181 ElfW(Addr)
 182 pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
 183           uintptr_t *defcook, La_regs *regs, unsigned int *flags,
 184           const char *symname, long int *framesizep)
 185 {
 186   printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
 187           symname, (long int) sym->st_value, ndx, *flags);
 188
 189   return sym->st_value;
 190 }
 191
 192 unsigned int
 193 pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
 194          uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
 195          const char *symname)
 196 {
 197   printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
 198           symname, (long int) sym->st_value, ndx,
 199           (ptrdiff_t) outregs->int_retval);
 200
 201   return 0;
 202 }