#include <dlfcn.h> #include <link.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <bits/wordsize.h> #include <gnu/lib-names.h> unsigned int la_version (unsigned int v) { setlinebuf (stdout); printf ("version: %u\n", v); char buf[20]; sprintf (buf, "%u", v); return v; } void la_activity (uintptr_t *cookie, unsigned int flag) { if (flag == LA_ACT_CONSISTENT) printf ("activity: consistent\n"); else if (flag == LA_ACT_ADD) printf ("activity: add\n"); else if (flag == LA_ACT_DELETE) printf ("activity: delete\n"); else printf ("activity: unknown activity %u\n", flag); } char * la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) { char buf[100]; const char *flagstr; if (flag == LA_SER_ORIG) flagstr = "LA_SET_ORIG"; else if (flag == LA_SER_LIBPATH) flagstr = "LA_SER_LIBPATH"; else if (flag == LA_SER_RUNPATH) flagstr = "LA_SER_RUNPATH"; else if (flag == LA_SER_CONFIG) flagstr = "LA_SER_CONFIG"; else if (flag == LA_SER_DEFAULT) flagstr = "LA_SER_DEFAULT"; else if (flag == LA_SER_SECURE) flagstr = "LA_SER_SECURE"; else { sprintf (buf, "unknown flag %d", flag); flagstr = buf; } printf ("objsearch: %s, %s\n", name, flagstr); return (char *) name; } unsigned int la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) { printf ("objopen: %ld, %s\n", lmid, l->l_name); return 3; } void la_preinit (uintptr_t *cookie) { printf ("preinit\n"); } unsigned int la_objclose (uintptr_t *cookie) { printf ("objclose\n"); return 0; } uintptr_t la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook, uintptr_t *defcook, unsigned int *flags, const char *symname) { printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", symname, (long int) sym->st_value, ndx, *flags); return sym->st_value; } uintptr_t la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook, uintptr_t *defcook, unsigned int *flags, const char *symname) { printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", symname, (long int) sym->st_value, ndx, *flags); return sym->st_value; } #include <tst-audit.h> #if (!defined (pltenter) || !defined (pltexit) || !defined (La_regs) \ || !defined (La_retval) || !defined (int_retval)) # error "architecture specific code needed in sysdeps/CPU/tst-audit.h" #endif ElfW(Addr) pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, uintptr_t *defcook, La_regs *regs, unsigned int *flags, const char *symname, long int *framesizep) { printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", symname, (long int) sym->st_value, ndx, *flags); return sym->st_value; } unsigned int pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, const char *symname) { printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n", symname, (long int) sym->st_value, ndx, (ptrdiff_t) outregs->int_retval); return 0; }