mirror of
https://sourceware.org/git/glibc.git
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2.5-18.1
This commit is contained in:
Jakub Jelinek
@@ -1,5 +1,5 @@
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/* Machine-dependent ELF dynamic relocation inline functions. Sparc64 version.
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@@ -18,6 +18,9 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef dl_machine_h
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#define dl_machine_h
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#define ELF_MACHINE_NAME "sparc64"
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#include <string.h>
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@@ -88,7 +91,7 @@ elf_machine_load_address (void)
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/* We have 4 cases to handle. And we code different code sequences
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for each one. I love V9 code models... */
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static inline void
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static inline void __attribute__ ((always_inline))
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sparc64_fixup_plt (struct link_map *map, const Elf64_Rela *reloc,
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Elf64_Addr *reloc_addr, Elf64_Addr value,
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Elf64_Addr high, int t)
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@@ -212,7 +215,7 @@ sparc64_fixup_plt (struct link_map *map, const Elf64_Rela *reloc,
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}
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}
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static inline Elf64_Addr
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static inline Elf64_Addr __attribute__ ((always_inline))
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elf_machine_fixup_plt (struct link_map *map, lookup_t t,
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const Elf64_Rela *reloc,
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Elf64_Addr *reloc_addr, Elf64_Addr value)
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@@ -233,236 +236,21 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
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return value;
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}
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#ifdef RESOLVE
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/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
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MAP is the object containing the reloc. */
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static inline void
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elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
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const Elf64_Sym *sym, const struct r_found_version *version,
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void *const reloc_addr_arg)
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{
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Elf64_Addr *const reloc_addr = reloc_addr_arg;
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const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info);
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#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
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if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
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*reloc_addr = map->l_addr + reloc->r_addend;
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# ifndef RTLD_BOOTSTRAP
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else if (r_type == R_SPARC_NONE) /* Who is Wilbur? */
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return;
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# endif
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else
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#endif
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{
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#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
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const Elf64_Sym *const refsym = sym;
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#endif
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Elf64_Addr value;
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#ifndef RESOLVE_CONFLICT_FIND_MAP
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if (sym->st_shndx != SHN_UNDEF &&
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ELF64_ST_BIND (sym->st_info) == STB_LOCAL)
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value = map->l_addr;
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else
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{
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value = RESOLVE (&sym, version, r_type);
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if (sym)
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value += sym->st_value;
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}
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#else
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value = 0;
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#endif
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value += reloc->r_addend; /* Assume copy relocs have zero addend. */
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switch (r_type)
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{
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#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
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case R_SPARC_COPY:
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if (sym == NULL)
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/* This can happen in trace mode if an object could not be
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found. */
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break;
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if (sym->st_size > refsym->st_size
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|| (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
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{
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const char *strtab;
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strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
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_dl_error_printf ("\
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%s: Symbol `%s' has different size in shared object, consider re-linking\n",
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rtld_progname ?: "<program name unknown>",
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strtab + refsym->st_name);
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}
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memcpy (reloc_addr_arg, (void *) value,
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MIN (sym->st_size, refsym->st_size));
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break;
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#endif
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case R_SPARC_64:
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case R_SPARC_GLOB_DAT:
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*reloc_addr = value;
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break;
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#ifndef RTLD_BOOTSTRAP
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case R_SPARC_8:
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*(char *) reloc_addr = value;
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break;
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case R_SPARC_16:
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*(short *) reloc_addr = value;
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break;
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case R_SPARC_32:
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*(unsigned int *) reloc_addr = value;
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break;
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case R_SPARC_DISP8:
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*(char *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
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break;
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case R_SPARC_DISP16:
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*(short *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
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break;
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case R_SPARC_DISP32:
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*(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
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break;
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case R_SPARC_WDISP30:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & 0xc0000000) |
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((value - (Elf64_Addr) reloc_addr) >> 2));
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break;
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/* MEDLOW code model relocs */
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case R_SPARC_LO10:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & ~0x3ff) |
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(value & 0x3ff));
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break;
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case R_SPARC_HI22:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & 0xffc00000) |
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(value >> 10));
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break;
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case R_SPARC_OLO10:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & ~0x1fff) |
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(((value & 0x3ff) + ELF64_R_TYPE_DATA (reloc->r_info)) & 0x1fff));
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break;
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/* MEDMID code model relocs */
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case R_SPARC_H44:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & 0xffc00000) |
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(value >> 22));
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break;
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case R_SPARC_M44:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & ~0x3ff) |
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((value >> 12) & 0x3ff));
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break;
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case R_SPARC_L44:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & ~0xfff) |
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(value & 0xfff));
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break;
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/* MEDANY code model relocs */
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case R_SPARC_HH22:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & 0xffc00000) |
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(value >> 42));
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break;
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case R_SPARC_HM10:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & ~0x3ff) |
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((value >> 32) & 0x3ff));
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break;
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case R_SPARC_LM22:
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*(unsigned int *) reloc_addr =
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((*(unsigned int *)reloc_addr & 0xffc00000) |
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((value >> 10) & 0x003fffff));
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break;
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#endif
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case R_SPARC_JMP_SLOT:
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#ifdef RESOLVE_CONFLICT_FIND_MAP
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/* R_SPARC_JMP_SLOT conflicts against .plt[32768+]
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relocs should be turned into R_SPARC_64 relocs
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in .gnu.conflict section.
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r_addend non-zero does not mean it is a .plt[32768+]
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reloc, instead it is the actual address of the function
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to call. */
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sparc64_fixup_plt (NULL, reloc, reloc_addr, value, 0, 0);
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#else
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sparc64_fixup_plt (map, reloc, reloc_addr, value,
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reloc->r_addend, 0);
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#endif
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break;
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#ifndef RTLD_BOOTSTRAP
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case R_SPARC_UA16:
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((unsigned char *) reloc_addr_arg) [0] = value >> 8;
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((unsigned char *) reloc_addr_arg) [1] = value;
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break;
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case R_SPARC_UA32:
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((unsigned char *) reloc_addr_arg) [0] = value >> 24;
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((unsigned char *) reloc_addr_arg) [1] = value >> 16;
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((unsigned char *) reloc_addr_arg) [2] = value >> 8;
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((unsigned char *) reloc_addr_arg) [3] = value;
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break;
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case R_SPARC_UA64:
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if (! ((long) reloc_addr_arg & 3))
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{
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/* Common in .eh_frame */
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((unsigned int *) reloc_addr_arg) [0] = value >> 32;
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((unsigned int *) reloc_addr_arg) [1] = value;
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break;
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}
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((unsigned char *) reloc_addr_arg) [0] = value >> 56;
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((unsigned char *) reloc_addr_arg) [1] = value >> 48;
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((unsigned char *) reloc_addr_arg) [2] = value >> 40;
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((unsigned char *) reloc_addr_arg) [3] = value >> 32;
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((unsigned char *) reloc_addr_arg) [4] = value >> 24;
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((unsigned char *) reloc_addr_arg) [5] = value >> 16;
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((unsigned char *) reloc_addr_arg) [6] = value >> 8;
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((unsigned char *) reloc_addr_arg) [7] = value;
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break;
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#endif
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#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
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default:
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_dl_reloc_bad_type (map, r_type, 0);
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break;
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#endif
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}
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}
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}
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static inline void
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elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
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void *const reloc_addr_arg)
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{
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Elf64_Addr *const reloc_addr = reloc_addr_arg;
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*reloc_addr = l_addr + reloc->r_addend;
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}
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static inline void
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elf_machine_lazy_rel (struct link_map *map,
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Elf64_Addr l_addr, const Elf64_Rela *reloc)
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{
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switch (ELF64_R_TYPE (reloc->r_info))
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{
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case R_SPARC_NONE:
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break;
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case R_SPARC_JMP_SLOT:
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break;
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default:
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_dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
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break;
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}
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}
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#endif /* RESOLVE */
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/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
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PLT entries should not be allowed to define the value.
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ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
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of the main executable's symbols, as for a COPY reloc. */
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#define elf_machine_type_class(type) \
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#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
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# define elf_machine_type_class(type) \
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((((type) == R_SPARC_JMP_SLOT \
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|| ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \
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* ELF_RTYPE_CLASS_PLT) \
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| (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY))
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#else
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# define elf_machine_type_class(type) \
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((((type) == R_SPARC_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
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| (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY))
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#endif
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/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
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#define ELF_MACHINE_JMP_SLOT R_SPARC_JMP_SLOT
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@@ -487,74 +275,67 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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extern void _dl_runtime_profile_1 (void);
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Elf64_Addr res0_addr, res1_addr;
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unsigned int *plt = (void *) D_PTR (l, l_info[DT_PLTGOT]);
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int i = 0;
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if (! profile)
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if (__builtin_expect(profile, 0))
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{
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res0_addr = (Elf64_Addr) &_dl_runtime_profile_0;
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res1_addr = (Elf64_Addr) &_dl_runtime_profile_1;
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if (GLRO(dl_profile) != NULL
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&& _dl_name_match_p (GLRO(dl_profile), l))
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GL(dl_profile_map) = l;
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}
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else
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{
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res0_addr = (Elf64_Addr) &_dl_runtime_resolve_0;
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res1_addr = (Elf64_Addr) &_dl_runtime_resolve_1;
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}
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else
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{
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res0_addr = (Elf64_Addr) &_dl_runtime_profile_0;
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res1_addr = (Elf64_Addr) &_dl_runtime_profile_1;
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if (_dl_name_match_p (GLRO(dl_profile), l))
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GL(dl_profile_map) = l;
|
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}
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/* PLT0 looks like:
|
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|
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save %sp, -192, %sp
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sethi %hh(_dl_runtime_{resolve,profile}_0), %l0
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sethi %lm(_dl_runtime_{resolve,profile}_0), %l1
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or %l0, %hm(_dl_runtime_{resolve,profile}_0), %l0
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or %l1, %lo(_dl_runtime_{resolve,profile}_0), %l1
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sllx %l0, 32, %l0
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jmpl %l0 + %l1, %l6
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sethi %hi(0xffc00), %l2
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sethi %uhi(_dl_runtime_{resolve,profile}_0), %g4
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sethi %hi(_dl_runtime_{resolve,profile}_0), %g5
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or %g4, %ulo(_dl_runtime_{resolve,profile}_0), %g4
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or %g5, %lo(_dl_runtime_{resolve,profile}_0), %g5
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sllx %g4, 32, %g4
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add %g4, %g5, %g5
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jmpl %g5, %g4
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nop
|
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*/
|
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|
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plt[0] = 0x9de3bf40;
|
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plt[1] = 0x21000000 | (res0_addr >> (64 - 22));
|
||||
plt[2] = 0x23000000 | ((res0_addr >> 10) & 0x003fffff);
|
||||
plt[3] = 0xa0142000 | ((res0_addr >> 32) & 0x3ff);
|
||||
plt[4] = 0xa2146000 | (res0_addr & 0x3ff);
|
||||
plt[5] = 0xa12c3020;
|
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plt[6] = 0xadc40011;
|
||||
plt[7] = 0x250003ff;
|
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plt[0] = 0x09000000 | (res0_addr >> (64 - 22));
|
||||
plt[1] = 0x0b000000 | ((res0_addr >> 10) & 0x003fffff);
|
||||
plt[2] = 0x88112000 | ((res0_addr >> 32) & 0x3ff);
|
||||
plt[3] = 0x8a116000 | (res0_addr & 0x3ff);
|
||||
plt[4] = 0x89293020;
|
||||
plt[5] = 0x8a010005;
|
||||
plt[6] = 0x89c14000;
|
||||
plt[7] = 0x01000000;
|
||||
|
||||
/* PLT1 looks like:
|
||||
|
||||
save %sp, -192, %sp
|
||||
sethi %hh(_dl_runtime_{resolve,profile}_1), %l0
|
||||
sethi %lm(_dl_runtime_{resolve,profile}_1), %l1
|
||||
or %l0, %hm(_dl_runtime_{resolve,profile}_1), %l0
|
||||
or %l1, %lo(_dl_runtime_{resolve,profile}_1), %l1
|
||||
sllx %l0, 32, %l0
|
||||
jmpl %l0 + %l1, %l6
|
||||
srlx %g1, 12, %o1
|
||||
sethi %uhi(_dl_runtime_{resolve,profile}_1), %g4
|
||||
sethi %hi(_dl_runtime_{resolve,profile}_1), %g5
|
||||
or %g4, %ulo(_dl_runtime_{resolve,profile}_1), %g4
|
||||
or %g5, %lo(_dl_runtime_{resolve,profile}_1), %g5
|
||||
sllx %g4, 32, %g4
|
||||
add %g4, %g5, %g5
|
||||
jmpl %g5, %g4
|
||||
nop
|
||||
*/
|
||||
|
||||
plt[8 + 0] = 0x9de3bf40;
|
||||
if (__builtin_expect (((res1_addr + 4) >> 32) & 0x3ff, 0))
|
||||
i = 1;
|
||||
else
|
||||
res1_addr += 4;
|
||||
plt[8 + 1] = 0x21000000 | (res1_addr >> (64 - 22));
|
||||
plt[8 + 2] = 0x23000000 | ((res1_addr >> 10) & 0x003fffff);
|
||||
if (__builtin_expect (i, 0))
|
||||
plt[8 + 3] = 0xa0142000 | ((res1_addr >> 32) & 0x3ff);
|
||||
else
|
||||
plt[8 + 3] = 0xa12c3020;
|
||||
plt[8 + 4] = 0xa2146000 | (res1_addr & 0x3ff);
|
||||
if (__builtin_expect (i, 0))
|
||||
plt[8 + 5] = 0xa12c3020;
|
||||
plt[8 + 5 + i] = 0xadc40011;
|
||||
plt[8 + 6 + i] = 0x9330700c;
|
||||
plt[8] = 0x09000000 | (res1_addr >> (64 - 22));
|
||||
plt[9] = 0x0b000000 | ((res1_addr >> 10) & 0x003fffff);
|
||||
plt[10] = 0x88112000 | ((res1_addr >> 32) & 0x3ff);
|
||||
plt[11] = 0x8a116000 | (res1_addr & 0x3ff);
|
||||
plt[12] = 0x89293020;
|
||||
plt[13] = 0x8a010005;
|
||||
plt[14] = 0x89c14000;
|
||||
plt[15] = 0x01000000;
|
||||
|
||||
/* Now put the magic cookie at the beginning of .PLT2
|
||||
Entry .PLT3 is unused by this implementation. */
|
||||
*((struct link_map **)(&plt[16 + 0])) = l;
|
||||
*((struct link_map **)(&plt[16])) = l;
|
||||
|
||||
if (__builtin_expect (l->l_info[VALIDX(DT_GNU_PRELINKED)] != NULL, 0)
|
||||
|| __builtin_expect (l->l_info [VALIDX (DT_GNU_LIBLISTSZ)] != NULL, 0))
|
||||
@@ -601,68 +382,6 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
|
||||
return lazy;
|
||||
}
|
||||
|
||||
/* This code is used in dl-runtime.c to call the `fixup' function
|
||||
and then redirect to the address it returns. */
|
||||
#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
|
||||
asm ("\n" \
|
||||
" .text\n" \
|
||||
" .globl " #tramp_name "_0\n" \
|
||||
" .type " #tramp_name "_0, @function\n" \
|
||||
" .align 32\n" \
|
||||
"\t" #tramp_name "_0:\n" \
|
||||
" ! sethi %hi(1047552), %l2 - Done in .PLT0\n" \
|
||||
" ldx [%l6 + 32 + 8], %o0\n" \
|
||||
" sub %g1, %l6, %l0\n" \
|
||||
" xor %l2, -1016, %l2\n" \
|
||||
" sethi %hi(5120), %l3 ! 160 * 32\n" \
|
||||
" add %l0, %l2, %l0\n" \
|
||||
" sethi %hi(32768), %l4\n" \
|
||||
" udivx %l0, %l3, %l3\n" \
|
||||
" sllx %l3, 2, %l1\n" \
|
||||
" add %l1, %l3, %l1\n" \
|
||||
" sllx %l1, 10, %l2\n" \
|
||||
" sub %l4, 4, %l4 ! No thanks to Sun for not obeying their own ABI\n" \
|
||||
" sllx %l1, 5, %l1\n" \
|
||||
" sub %l0, %l2, %l0\n" \
|
||||
" udivx %l0, 24, %l0\n" \
|
||||
" add %l0, %l4, %l0\n" \
|
||||
" add %l1, %l0, %l1\n" \
|
||||
" add %l1, %l1, %l0\n" \
|
||||
" add %l0, %l1, %l0\n" \
|
||||
" mov %i7, %o2\n" \
|
||||
" call " #fixup_name "\n" \
|
||||
" sllx %l0, 3, %o1\n" \
|
||||
" jmp %o0\n" \
|
||||
" restore\n" \
|
||||
" .size " #tramp_name "_0, . - " #tramp_name "_0\n" \
|
||||
"\n" \
|
||||
" .globl " #tramp_name "_1\n" \
|
||||
" .type " #tramp_name "_1, @function\n" \
|
||||
" ! tramp_name_1 + 4 needs to be .align 32\n" \
|
||||
"\t" #tramp_name "_1:\n" \
|
||||
" sub %l6, 4, %l6\n" \
|
||||
" ! srlx %g1, 12, %o1 - Done in .PLT1\n" \
|
||||
" ldx [%l6 + 12], %o0\n" \
|
||||
" add %o1, %o1, %o3\n" \
|
||||
" sub %o1, 96, %o1 ! No thanks to Sun for not obeying their own ABI\n" \
|
||||
" mov %i7, %o2\n" \
|
||||
" call " #fixup_name "\n" \
|
||||
" add %o1, %o3, %o1\n" \
|
||||
" jmp %o0\n" \
|
||||
" restore\n" \
|
||||
" .size " #tramp_name "_1, . - " #tramp_name "_1\n" \
|
||||
" .previous\n");
|
||||
|
||||
#ifndef PROF
|
||||
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
|
||||
TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \
|
||||
TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup);
|
||||
#else
|
||||
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
|
||||
TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \
|
||||
TRAMPOLINE_TEMPLATE (_dl_runtime_profile, fixup);
|
||||
#endif
|
||||
|
||||
/* The PLT uses Elf64_Rela relocs. */
|
||||
#define elf_machine_relplt elf_machine_rela
|
||||
|
||||
@@ -763,3 +482,291 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
|
||||
" add %sp, 6*8, %sp\n" \
|
||||
" .size _dl_start_user, . - _dl_start_user\n" \
|
||||
" .previous\n");
|
||||
|
||||
#endif /* dl_machine_h */
|
||||
|
||||
#define ARCH_LA_PLTENTER sparc64_gnu_pltenter
|
||||
#define ARCH_LA_PLTEXIT sparc64_gnu_pltexit
|
||||
|
||||
#ifdef RESOLVE_MAP
|
||||
|
||||
/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
|
||||
MAP is the object containing the reloc. */
|
||||
|
||||
auto inline void
|
||||
__attribute__ ((always_inline))
|
||||
elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
|
||||
const Elf64_Sym *sym, const struct r_found_version *version,
|
||||
void *const reloc_addr_arg)
|
||||
{
|
||||
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
|
||||
const Elf64_Sym *const refsym = sym;
|
||||
#endif
|
||||
Elf64_Addr value;
|
||||
const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info);
|
||||
#if !defined RESOLVE_CONFLICT_FIND_MAP
|
||||
struct link_map *sym_map = NULL;
|
||||
#endif
|
||||
|
||||
#if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
|
||||
/* This is defined in rtld.c, but nowhere in the static libc.a; make the
|
||||
reference weak so static programs can still link. This declaration
|
||||
cannot be done when compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP)
|
||||
because rtld.c contains the common defn for _dl_rtld_map, which is
|
||||
incompatible with a weak decl in the same file. */
|
||||
weak_extern (_dl_rtld_map);
|
||||
#endif
|
||||
|
||||
if (__builtin_expect (r_type == R_SPARC_NONE, 0))
|
||||
return;
|
||||
|
||||
#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
|
||||
if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
|
||||
{
|
||||
# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
|
||||
if (map != &_dl_rtld_map) /* Already done in rtld itself. */
|
||||
# endif
|
||||
*reloc_addr += map->l_addr + reloc->r_addend;
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef RESOLVE_CONFLICT_FIND_MAP
|
||||
if (__builtin_expect (ELF64_ST_BIND (sym->st_info) == STB_LOCAL, 0)
|
||||
&& sym->st_shndx != SHN_UNDEF)
|
||||
{
|
||||
value = map->l_addr;
|
||||
}
|
||||
else
|
||||
{
|
||||
sym_map = RESOLVE_MAP (&sym, version, r_type);
|
||||
value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
|
||||
}
|
||||
#else
|
||||
value = 0;
|
||||
#endif
|
||||
|
||||
value += reloc->r_addend; /* Assume copy relocs have zero addend. */
|
||||
|
||||
switch (r_type)
|
||||
{
|
||||
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
|
||||
case R_SPARC_COPY:
|
||||
if (sym == NULL)
|
||||
/* This can happen in trace mode if an object could not be
|
||||
found. */
|
||||
break;
|
||||
if (sym->st_size > refsym->st_size
|
||||
|| (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
|
||||
{
|
||||
const char *strtab;
|
||||
|
||||
strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
|
||||
_dl_error_printf ("\
|
||||
%s: Symbol `%s' has different size in shared object, consider re-linking\n",
|
||||
rtld_progname ?: "<program name unknown>",
|
||||
strtab + refsym->st_name);
|
||||
}
|
||||
memcpy (reloc_addr_arg, (void *) value,
|
||||
MIN (sym->st_size, refsym->st_size));
|
||||
break;
|
||||
#endif
|
||||
case R_SPARC_64:
|
||||
case R_SPARC_GLOB_DAT:
|
||||
*reloc_addr = value;
|
||||
break;
|
||||
case R_SPARC_JMP_SLOT:
|
||||
#ifdef RESOLVE_CONFLICT_FIND_MAP
|
||||
/* R_SPARC_JMP_SLOT conflicts against .plt[32768+]
|
||||
relocs should be turned into R_SPARC_64 relocs
|
||||
in .gnu.conflict section.
|
||||
r_addend non-zero does not mean it is a .plt[32768+]
|
||||
reloc, instead it is the actual address of the function
|
||||
to call. */
|
||||
sparc64_fixup_plt (NULL, reloc, reloc_addr, value, 0, 0);
|
||||
#else
|
||||
sparc64_fixup_plt (map, reloc, reloc_addr, value, reloc->r_addend, 0);
|
||||
#endif
|
||||
break;
|
||||
#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
|
||||
&& !defined RESOLVE_CONFLICT_FIND_MAP
|
||||
case R_SPARC_TLS_DTPMOD64:
|
||||
/* Get the information from the link map returned by the
|
||||
resolv function. */
|
||||
if (sym_map != NULL)
|
||||
*reloc_addr = sym_map->l_tls_modid;
|
||||
break;
|
||||
case R_SPARC_TLS_DTPOFF64:
|
||||
/* During relocation all TLS symbols are defined and used.
|
||||
Therefore the offset is already correct. */
|
||||
*reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend;
|
||||
break;
|
||||
case R_SPARC_TLS_TPOFF64:
|
||||
/* The offset is negative, forward from the thread pointer. */
|
||||
/* We know the offset of object the symbol is contained in.
|
||||
It is a negative value which will be added to the
|
||||
thread pointer. */
|
||||
if (sym != NULL)
|
||||
{
|
||||
CHECK_STATIC_TLS (map, sym_map);
|
||||
*reloc_addr = sym->st_value - sym_map->l_tls_offset
|
||||
+ reloc->r_addend;
|
||||
}
|
||||
break;
|
||||
# ifndef RTLD_BOOTSTRAP
|
||||
case R_SPARC_TLS_LE_HIX22:
|
||||
case R_SPARC_TLS_LE_LOX10:
|
||||
if (sym != NULL)
|
||||
{
|
||||
CHECK_STATIC_TLS (map, sym_map);
|
||||
value = sym->st_value - sym_map->l_tls_offset
|
||||
+ reloc->r_addend;
|
||||
if (r_type == R_SPARC_TLS_LE_HIX22)
|
||||
*reloc_addr = (*reloc_addr & 0xffc00000)
|
||||
| (((~value) >> 10) & 0x3fffff);
|
||||
else
|
||||
*reloc_addr = (*reloc_addr & 0xffffe000) | (value & 0x3ff)
|
||||
| 0x1c00;
|
||||
}
|
||||
break;
|
||||
# endif
|
||||
#endif
|
||||
#ifndef RTLD_BOOTSTRAP
|
||||
case R_SPARC_8:
|
||||
*(char *) reloc_addr = value;
|
||||
break;
|
||||
case R_SPARC_16:
|
||||
*(short *) reloc_addr = value;
|
||||
break;
|
||||
case R_SPARC_32:
|
||||
*(unsigned int *) reloc_addr = value;
|
||||
break;
|
||||
case R_SPARC_DISP8:
|
||||
*(char *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
|
||||
break;
|
||||
case R_SPARC_DISP16:
|
||||
*(short *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
|
||||
break;
|
||||
case R_SPARC_DISP32:
|
||||
*(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
|
||||
break;
|
||||
case R_SPARC_WDISP30:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & 0xc0000000) |
|
||||
(((value - (Elf64_Addr) reloc_addr) >> 2) & 0x3fffffff));
|
||||
break;
|
||||
|
||||
/* MEDLOW code model relocs */
|
||||
case R_SPARC_LO10:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & ~0x3ff) |
|
||||
(value & 0x3ff));
|
||||
break;
|
||||
case R_SPARC_HI22:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & 0xffc00000) |
|
||||
((value >> 10) & 0x3fffff));
|
||||
break;
|
||||
case R_SPARC_OLO10:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & ~0x1fff) |
|
||||
(((value & 0x3ff) + ELF64_R_TYPE_DATA (reloc->r_info)) & 0x1fff));
|
||||
break;
|
||||
|
||||
/* MEDMID code model relocs */
|
||||
case R_SPARC_H44:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & 0xffc00000) |
|
||||
((value >> 22) & 0x3fffff));
|
||||
break;
|
||||
case R_SPARC_M44:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & ~0x3ff) |
|
||||
((value >> 12) & 0x3ff));
|
||||
break;
|
||||
case R_SPARC_L44:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & ~0xfff) |
|
||||
(value & 0xfff));
|
||||
break;
|
||||
|
||||
/* MEDANY code model relocs */
|
||||
case R_SPARC_HH22:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & 0xffc00000) |
|
||||
(value >> 42));
|
||||
break;
|
||||
case R_SPARC_HM10:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & ~0x3ff) |
|
||||
((value >> 32) & 0x3ff));
|
||||
break;
|
||||
case R_SPARC_LM22:
|
||||
*(unsigned int *) reloc_addr =
|
||||
((*(unsigned int *)reloc_addr & 0xffc00000) |
|
||||
((value >> 10) & 0x003fffff));
|
||||
break;
|
||||
case R_SPARC_UA16:
|
||||
((unsigned char *) reloc_addr_arg) [0] = value >> 8;
|
||||
((unsigned char *) reloc_addr_arg) [1] = value;
|
||||
break;
|
||||
case R_SPARC_UA32:
|
||||
((unsigned char *) reloc_addr_arg) [0] = value >> 24;
|
||||
((unsigned char *) reloc_addr_arg) [1] = value >> 16;
|
||||
((unsigned char *) reloc_addr_arg) [2] = value >> 8;
|
||||
((unsigned char *) reloc_addr_arg) [3] = value;
|
||||
break;
|
||||
case R_SPARC_UA64:
|
||||
if (! ((long) reloc_addr_arg & 3))
|
||||
{
|
||||
/* Common in .eh_frame */
|
||||
((unsigned int *) reloc_addr_arg) [0] = value >> 32;
|
||||
((unsigned int *) reloc_addr_arg) [1] = value;
|
||||
break;
|
||||
}
|
||||
((unsigned char *) reloc_addr_arg) [0] = value >> 56;
|
||||
((unsigned char *) reloc_addr_arg) [1] = value >> 48;
|
||||
((unsigned char *) reloc_addr_arg) [2] = value >> 40;
|
||||
((unsigned char *) reloc_addr_arg) [3] = value >> 32;
|
||||
((unsigned char *) reloc_addr_arg) [4] = value >> 24;
|
||||
((unsigned char *) reloc_addr_arg) [5] = value >> 16;
|
||||
((unsigned char *) reloc_addr_arg) [6] = value >> 8;
|
||||
((unsigned char *) reloc_addr_arg) [7] = value;
|
||||
break;
|
||||
#endif
|
||||
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
|
||||
default:
|
||||
_dl_reloc_bad_type (map, r_type, 0);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
auto inline void
|
||||
__attribute__ ((always_inline))
|
||||
elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||
void *const reloc_addr_arg)
|
||||
{
|
||||
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||
*reloc_addr = l_addr + reloc->r_addend;
|
||||
}
|
||||
|
||||
auto inline void
|
||||
__attribute__ ((always_inline))
|
||||
elf_machine_lazy_rel (struct link_map *map,
|
||||
Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||
{
|
||||
switch (ELF64_R_TYPE (reloc->r_info))
|
||||
{
|
||||
case R_SPARC_NONE:
|
||||
break;
|
||||
case R_SPARC_JMP_SLOT:
|
||||
break;
|
||||
default:
|
||||
_dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* RESOLVE_MAP */
|
||||
|
||||
Reference in New Issue
Block a user