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https://sourceware.org/git/glibc.git
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404a4e2fb3
* sysdeps/sparc/sparc32/dl-machine.h: Move PLT trampolines there. Use RESOLVE_MAP instead of RESOLVE to protect relocation code. (elf_machine_runtime_setup): Test for dl_profile non-null. * sysdeps/sparc/sparc64/dl-trampoline.S: New file. (ARCH_LA_PLTENTER, ARCH_LA_PLTEXIT): New. * sysdeps/sparc/sparc64/dl-machine.h: Move PLT trampolines there. Use RESOLVE_MAP instead of RESOLVE to protect relocation code. (elf_machine_runtime_setup): Test for dl_profile non-null. * sysdeps/sparc/bits/link.h: New file. * sysdeps/generic/ldsodefs.h (La_sparc32_regs, La_sparc32_retval, La_sparc64_regs, La_sparc64_retval): New. (struct audit_ifaces): Add sparc entries. * elf/tst-auditmod1.c: Add sparc entries.
221 lines
5.9 KiB
C
221 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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# define pltenter la_i86_gnu_pltenter
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# define pltexit la_i86_gnu_pltexit
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# define La_regs La_i86_regs
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# define La_retval La_i86_retval
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# define int_retval lrv_eax
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#elif defined __x86_64__
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# define pltenter la_x86_64_gnu_pltenter
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# define pltexit la_x86_64_gnu_pltexit
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# define La_regs La_x86_64_regs
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# define La_retval La_x86_64_retval
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# define int_retval lrv_rax
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#elif defined __powerpc__ && __WORDSIZE == 32
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# define pltenter la_ppc32_gnu_pltenter
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# define pltexit la_ppc32_gnu_pltexit
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# define La_regs La_ppc32_regs
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# define La_retval La_ppc32_retval
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# define int_retval lrv_r3
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#elif defined __powerpc__ && __WORDSIZE == 64
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# define pltenter la_ppc64_gnu_pltenter
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# define pltexit la_ppc64_gnu_pltexit
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# define La_regs La_ppc64_regs
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# define La_retval La_ppc64_retval
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# define int_retval lrv_r3
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#elif defined __sh__
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# define pltenter la_sh_gnu_pltenter
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# define pltexit la_sh_gnu_pltexit
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# define La_regs La_sh_regs
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# define La_retval La_sh_retval
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# define int_retval lrv_r0
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#elif defined __mc68000__
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# define pltenter la_m68k_gnu_pltenter
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# define pltexit la_m68k_gnu_pltexit
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# define La_regs La_m68k_regs
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# define La_retval La_m68k_retval
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# define int_retval lrv_d0
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#elif defined __alpha__
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# define pltenter la_alpha_gnu_pltenter
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# define pltexit la_alpha_gnu_pltexit
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# define La_regs La_alpha_regs
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# define La_retval La_alpha_retval
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# define int_retval lrv_r0
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#elif defined __s390__ && __WORDSIZE == 32
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# define pltenter la_s390_32_gnu_pltenter
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# define pltexit la_s390_32_gnu_pltexit
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# define La_regs La_s390_32_regs
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# define La_retval La_s390_32_retval
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# define int_retval lrv_r2
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#elif defined __s390__ && __WORDSIZE == 64
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# define pltenter la_s390_64_gnu_pltenter
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# define pltexit la_s390_64_gnu_pltexit
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# define La_regs La_s390_64_regs
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# define La_retval La_s390_64_retval
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# define int_retval lrv_r2
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#elif defined __ia64__
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# define pltenter la_ia64_gnu_pltenter
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# define pltexit la_ia64_gnu_pltexit
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# define La_regs La_ia64_regs
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# define La_retval La_ia64_retval
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# define int_retval lrv_r8
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#elif defined __mips__ && _MIPS_SIM == _ABIO32
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# define pltenter la_mips_o32_gnu_pltenter
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# define pltexit la_mips_o32_gnu_pltexit
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# define La_regs La_mips_32_regs
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# define La_retval La_mips_32_retval
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# define int_retval lrv_v0
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#elif defined __mips__ && _MIPS_SIM == _ABIN32
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# define pltenter la_mips_n32_gnu_pltenter
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# define pltexit la_mips_n32_gnu_pltexit
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# define La_regs La_mips_64_regs
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# define La_retval La_mips_64_retval
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# define int_retval lrv_v0
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#elif defined __mips__ && _MIPS_SIM == _ABI64
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# define pltenter la_mips_n64_gnu_pltenter
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# define pltexit la_mips_n64_gnu_pltexit
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# define La_regs La_mips_64_regs
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# define La_retval La_mips_64_retval
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# define int_retval lrv_v0
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#elif defined __sparc__ && __WORDSIZE == 32
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# define pltenter la_sparc32_gnu_pltenter
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# define pltexit la_sparc32_gnu_pltexit
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# define La_regs La_sparc32_regs
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# define La_retval La_sparc32_retval
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# define int_retval lrv_reg[0]
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#elif defined __sparc__ && __WORDSIZE == 64
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# define pltenter la_sparc64_gnu_pltenter
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# define pltexit la_sparc64_gnu_pltexit
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# define La_regs La_sparc64_regs
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# define La_retval La_sparc64_retval
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# define int_retval lrv_reg[0]
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#else
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# error "architecture specific code needed"
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#endif
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ElfW(Addr)
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pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_regs *regs, unsigned int *flags,
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const char *symname, long int *framesizep)
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{
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printf ("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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pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
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const char *symname)
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{
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printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx, outregs->int_retval);
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return 0;
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}
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