223 lines
5.9 KiB
C
223 lines
5.9 KiB
C
#include <dlfcn.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <bits/wordsize.h>
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#include <gnu/lib-names.h>
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unsigned int
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la_version (unsigned int v)
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{
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setlinebuf (stdout);
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printf ("version: %u\n", v);
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char buf[20];
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sprintf (buf, "%u", v);
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return v;
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}
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void
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la_activity (uintptr_t *cookie, unsigned int flag)
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{
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if (flag == LA_ACT_CONSISTENT)
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printf ("activity: consistent\n");
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else if (flag == LA_ACT_ADD)
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printf ("activity: add\n");
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else if (flag == LA_ACT_DELETE)
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printf ("activity: delete\n");
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else
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printf ("activity: unknown activity %u\n", flag);
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}
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char *
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la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
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{
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char buf[100];
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const char *flagstr;
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if (flag == LA_SER_ORIG)
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flagstr = "LA_SET_ORIG";
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else if (flag == LA_SER_LIBPATH)
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flagstr = "LA_SER_LIBPATH";
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else if (flag == LA_SER_RUNPATH)
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flagstr = "LA_SER_RUNPATH";
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else if (flag == LA_SER_CONFIG)
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flagstr = "LA_SER_CONFIG";
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else if (flag == LA_SER_DEFAULT)
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flagstr = "LA_SER_DEFAULT";
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else if (flag == LA_SER_SECURE)
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flagstr = "LA_SER_SECURE";
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else
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{
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sprintf (buf, "unknown flag %d", flag);
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flagstr = buf;
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}
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printf ("objsearch: %s, %s\n", name, flagstr);
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return (char *) name;
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}
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unsigned int
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la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)
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{
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printf ("objopen: %ld, %s\n", lmid, l->l_name);
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return 3;
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}
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void
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la_preinit (uintptr_t *cookie)
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{
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printf ("preinit\n");
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}
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unsigned int
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la_objclose (uintptr_t *cookie)
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{
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printf ("objclose\n");
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return 0;
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}
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uintptr_t
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la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, unsigned int *flags, const char *symname)
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{
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printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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uintptr_t
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la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, unsigned int *flags, const char *symname)
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{
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printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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#ifdef __i386__
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Elf32_Addr
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la_i86_gnu_pltenter (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_i86_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("i86_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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unsigned int
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la_i86_gnu_pltexit (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_i86_regs *inregs,
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La_i86_retval *outregs, const char *symname)
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{
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printf ("i86_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->lrv_eax);
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return 0;
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}
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#elif defined __x86_64__
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Elf64_Addr
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la_x86_64_gnu_pltenter (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_x86_64_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("x86_64_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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unsigned int
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la_x86_64_gnu_pltexit (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_x86_64_regs *inregs,
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La_x86_64_retval *outregs, const char *symname)
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{
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printf ("x86_64_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->lrv_rax);
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return 0;
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}
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#elif defined __powerpc__ && __WORDSIZE == 32
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Elf32_Addr
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la_ppc32_gnu_pltenter (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_ppc32_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("ppc32_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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unsigned int
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la_ppc32_gnu_pltexit (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_ppc32_regs *inregs,
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La_ppc32_retval *outregs, const char *symname)
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{
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printf ("ppc32_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->lrv_r3);
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return 0;
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}
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#elif defined __powerpc__ && __WORDSIZE == 64
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Elf64_Addr
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la_ppc64_gnu_pltenter (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_ppc64_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("ppc64_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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unsigned int
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la_ppc64_gnu_pltexit (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_ppc64_regs *inregs,
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La_ppc64_retval *outregs, const char *symname)
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{
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printf ("ppc64_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->lrv_r3);
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return 0;
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}
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#elif defined __sh__
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uintptr_t
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la_sh_gnu_pltenter (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_sh_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("sh_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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unsigned int
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la_sh_gnu_pltexit (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_sh_regs *inregs,
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La_sh_retval *outregs, const char *symname)
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{
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printf ("sh_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->lrv_r0);
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return 0;
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}
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#else
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# error "architecture specific code needed"
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#endif
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