diff options
| -rw-r--r-- | libexec/rtld-elf/amd64/reloc.c | 34 | ||||
| -rw-r--r-- | libexec/rtld-elf/arm/reloc.c | 26 | ||||
| -rw-r--r-- | libexec/rtld-elf/i386/reloc.c | 30 | ||||
| -rw-r--r-- | libexec/rtld-elf/ia64/reloc.c | 31 | ||||
| -rw-r--r-- | libexec/rtld-elf/mips/reloc.c | 18 | ||||
| -rw-r--r-- | libexec/rtld-elf/powerpc/reloc.c | 25 | ||||
| -rw-r--r-- | libexec/rtld-elf/powerpc64/reloc.c | 25 | ||||
| -rw-r--r-- | libexec/rtld-elf/rtld.c | 78 | ||||
| -rw-r--r-- | libexec/rtld-elf/rtld.h | 11 | ||||
| -rw-r--r-- | libexec/rtld-elf/sparc64/reloc.c | 19 |
10 files changed, 179 insertions, 118 deletions
diff --git a/libexec/rtld-elf/amd64/reloc.c b/libexec/rtld-elf/amd64/reloc.c index 5f40847..9c755bc 100644 --- a/libexec/rtld-elf/amd64/reloc.c +++ b/libexec/rtld-elf/amd64/reloc.c @@ -82,6 +82,7 @@ do_copy_relocations(Obj_Entry *dstobj) size = dstsym->st_size; symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rela->r_info)); + req.flags = SYMLOOK_EARLY; for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { res = symlook_obj(&req, srcobj); @@ -118,7 +119,8 @@ init_pltgot(Obj_Entry *obj) /* Process the non-PLT relocations. */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -151,7 +153,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -170,7 +172,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -200,7 +202,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -214,7 +216,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -245,7 +247,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -277,7 +279,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -291,7 +293,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -305,7 +307,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -330,7 +332,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) done: if (cache != NULL) free(cache); - return(r); + return (r); } /* Process the PLT relocations. */ @@ -366,7 +368,7 @@ reloc_plt(Obj_Entry *obj) /* Relocate the jump slots in an object. */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -382,8 +384,8 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) switch (ELF_R_TYPE(rela->r_info)) { case R_X86_64_JMP_SLOT: where = (Elf_Addr *)(obj->relocbase + rela->r_offset); - def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, true, NULL, - lockstate); + def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return (-1); if (ELF_ST_TYPE(def->st_info) == STT_GNU_IFUNC) { @@ -438,7 +440,7 @@ reloc_iresolve(Obj_Entry *obj, RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -454,8 +456,8 @@ reloc_gnu_ifunc(Obj_Entry *obj, RtldLockState *lockstate) switch (ELF_R_TYPE(rela->r_info)) { case R_X86_64_JMP_SLOT: where = (Elf_Addr *)(obj->relocbase + rela->r_offset); - def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, true, NULL, - lockstate); + def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return (-1); if (ELF_ST_TYPE(def->st_info) != STT_GNU_IFUNC) diff --git a/libexec/rtld-elf/arm/reloc.c b/libexec/rtld-elf/arm/reloc.c index 11b962a..aaad2da 100644 --- a/libexec/rtld-elf/arm/reloc.c +++ b/libexec/rtld-elf/arm/reloc.c @@ -54,6 +54,8 @@ do_copy_relocations(Obj_Entry *dstobj) symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rel->r_info)); + req.flags = SYMLOOK_EARLY; + for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { res = symlook_obj(&req, srcobj); @@ -135,7 +137,7 @@ store_ptr(void *where, Elf_Addr val) static int reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, - RtldLockState *lockstate) + int flags, RtldLockState *lockstate) { Elf_Addr *where; const Elf_Sym *def; @@ -161,7 +163,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, if (addend & 0x00800000) addend |= 0xff000000; - def = find_symdef(symnum, obj, &defobj, false, cache, + def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; @@ -188,7 +190,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, case R_ARM_ABS32: /* word32 B + S + A */ case R_ARM_GLOB_DAT: /* word32 B + S */ - def = find_symdef(symnum, obj, &defobj, false, cache, + def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; @@ -237,7 +239,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, break; case R_ARM_TLS_DTPOFF32: - def = find_symdef(symnum, obj, &defobj, false, cache, + def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; @@ -254,7 +256,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, break; case R_ARM_TLS_DTPMOD32: - def = find_symdef(symnum, obj, &defobj, false, cache, + def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; @@ -272,7 +274,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, break; case R_ARM_TLS_TPOFF32: - def = find_symdef(symnum, obj, &defobj, false, cache, + def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; @@ -311,7 +313,8 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, * * Process non-PLT relocations * */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; @@ -330,7 +333,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) rellim = (const Elf_Rel *)((caddr_t)obj->rel + obj->relsize); for (rel = obj->rel; rel < rellim; rel++) { - if (reloc_nonplt_object(obj, rel, cache, lockstate) < 0) + if (reloc_nonplt_object(obj, rel, cache, flags, lockstate) < 0) goto done; } r = 0; @@ -367,7 +370,7 @@ reloc_plt(Obj_Entry *obj) * * LD_BIND_NOW was set - force relocation for all jump slots * */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Rel *rellim; @@ -381,7 +384,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) assert(ELF_R_TYPE(rel->r_info) == R_ARM_JUMP_SLOT); where = (Elf_Addr *)(obj->relocbase + rel->r_offset); def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - true, NULL, lockstate); + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) { dbg("reloc_jmpslots: sym not found"); return (-1); @@ -406,7 +409,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ diff --git a/libexec/rtld-elf/i386/reloc.c b/libexec/rtld-elf/i386/reloc.c index a2c8c98..5f4e247 100644 --- a/libexec/rtld-elf/i386/reloc.c +++ b/libexec/rtld-elf/i386/reloc.c @@ -83,6 +83,7 @@ do_copy_relocations(Obj_Entry *dstobj) size = dstsym->st_size; symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rel->r_info)); + req.flags = SYMLOOK_EARLY; for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { res = symlook_obj(&req, srcobj); @@ -119,7 +120,8 @@ init_pltgot(Obj_Entry *obj) /* Process the non-PLT relocations. */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; @@ -151,7 +153,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -170,7 +172,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -200,7 +202,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -220,7 +222,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) Elf_Addr add; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -253,7 +255,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -267,7 +269,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) goto done; @@ -286,7 +288,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) done: if (cache != NULL) free(cache); - return(r); + return (r); } /* Process the PLT relocations. */ @@ -322,7 +324,7 @@ reloc_plt(Obj_Entry *obj) /* Relocate the jump slots in an object. */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; @@ -338,8 +340,8 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) switch (ELF_R_TYPE(rel->r_info)) { case R_386_JMP_SLOT: where = (Elf_Addr *)(obj->relocbase + rel->r_offset); - def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, true, NULL, - lockstate); + def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return (-1); if (ELF_ST_TYPE(def->st_info) == STT_GNU_IFUNC) { @@ -390,7 +392,7 @@ reloc_iresolve(Obj_Entry *obj, RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; @@ -406,8 +408,8 @@ reloc_gnu_ifunc(Obj_Entry *obj, RtldLockState *lockstate) switch (ELF_R_TYPE(rel->r_info)) { case R_386_JMP_SLOT: where = (Elf_Addr *)(obj->relocbase + rel->r_offset); - def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, true, NULL, - lockstate); + def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return (-1); if (ELF_ST_TYPE(def->st_info) != STT_GNU_IFUNC) diff --git a/libexec/rtld-elf/ia64/reloc.c b/libexec/rtld-elf/ia64/reloc.c index d5b45b7..1afcecf 100644 --- a/libexec/rtld-elf/ia64/reloc.c +++ b/libexec/rtld-elf/ia64/reloc.c @@ -151,7 +151,7 @@ free_fptrs(Obj_Entry *obj, bool mapped) /* Relocate a non-PLT object with addend. */ static int reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, - SymCache *cache, RtldLockState *lockstate) + SymCache *cache, int flags, RtldLockState *lockstate) { struct fptr **fptrs; Elf_Addr *where = (Elf_Addr *) (obj->relocbase + rela->r_offset); @@ -172,7 +172,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, Elf_Addr target; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return -1; @@ -195,7 +195,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, int sym_index; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - true, cache, lockstate); + SYMLOOK_IN_PLT | flags, cache, lockstate); if (def == NULL) { /* * XXX r_debug_state is problematic and find_symdef() @@ -254,7 +254,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, Elf_Addr target, gp; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return -1; @@ -277,7 +277,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return -1; @@ -290,7 +290,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return -1; @@ -303,7 +303,7 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, const Obj_Entry *defobj; def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return -1; @@ -342,7 +342,8 @@ reloc_non_plt_obj(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, /* Process the non-PLT relocations. */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; @@ -368,7 +369,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) locrela.r_info = rel->r_info; locrela.r_offset = rel->r_offset; locrela.r_addend = 0; - if (reloc_non_plt_obj(obj_rtld, obj, &locrela, cache, + if (reloc_non_plt_obj(obj_rtld, obj, &locrela, cache, flags, lockstate)) goto done; } @@ -376,7 +377,8 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) /* Perform relocations with addend if there are any: */ relalim = (const Elf_Rela *) ((caddr_t) obj->rela + obj->relasize); for (rela = obj->rela; obj->rela != NULL && rela < relalim; rela++) { - if (reloc_non_plt_obj(obj_rtld, obj, rela, cache, lockstate)) + if (reloc_non_plt_obj(obj_rtld, obj, rela, cache, flags, + lockstate)) goto done; } @@ -444,7 +446,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ @@ -453,7 +456,7 @@ reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) /* Relocate the jump slots in an object. */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { if (obj->jmpslots_done) return 0; @@ -472,7 +475,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) assert(ELF_R_TYPE(rel->r_info) == R_IA_64_IPLTLSB); where = (Elf_Addr *)(obj->relocbase + rel->r_offset); def = find_symdef(ELF_R_SYM(rel->r_info), obj, - &defobj, true, NULL, lockstate); + &defobj, SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return -1; reloc_jmpslot(where, @@ -493,7 +496,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) where = (Elf_Addr *)(obj->relocbase + rela->r_offset); def = find_symdef(ELF_R_SYM(rela->r_info), obj, - &defobj, true, NULL, lockstate); + &defobj, SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return -1; reloc_jmpslot(where, diff --git a/libexec/rtld-elf/mips/reloc.c b/libexec/rtld-elf/mips/reloc.c index fd108f9..24e56ce 100644 --- a/libexec/rtld-elf/mips/reloc.c +++ b/libexec/rtld-elf/mips/reloc.c @@ -258,7 +258,8 @@ _mips_rtld_bind(Obj_Entry *obj, Elf_Size reloff) } int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rel *rel; const Elf_Rel *rellim; @@ -317,7 +318,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) * to 0 if there are non-PLT references, but older * versions of GNU ld do not do this. */ - def = find_symdef(i, obj, &defobj, false, NULL, + def = find_symdef(i, obj, &defobj, flags, NULL, lockstate); if (def == NULL) return -1; @@ -359,7 +360,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) } } else { /* TODO: add cache here */ - def = find_symdef(i, obj, &defobj, false, NULL, + def = find_symdef(i, obj, &defobj, flags, NULL, lockstate); if (def == NULL) { dbg("Warning4, can't find symbole %d", i); @@ -458,7 +459,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) Elf_Addr old = load_ptr(where, rlen); Elf_Addr val = old; - def = find_symdef(r_symndx, obj, &defobj, false, NULL, + def = find_symdef(r_symndx, obj, &defobj, flags, NULL, lockstate); if (def == NULL) return -1; @@ -482,7 +483,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) Elf_Addr old = load_ptr(where, rlen); Elf_Addr val = old; - def = find_symdef(r_symndx, obj, &defobj, false, NULL, + def = find_symdef(r_symndx, obj, &defobj, flags, NULL, lockstate); if (def == NULL) return -1; @@ -509,7 +510,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) Elf_Addr old = load_ptr(where, rlen); Elf_Addr val = old; - def = find_symdef(r_symndx, obj, &defobj, false, NULL, + def = find_symdef(r_symndx, obj, &defobj, flags, NULL, lockstate); if (def == NULL) @@ -577,7 +578,7 @@ reloc_plt(Obj_Entry *obj) * LD_BIND_NOW was set - force relocation for all jump slots */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { /* Do nothing */ obj->jmpslots_done = true; @@ -594,7 +595,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ diff --git a/libexec/rtld-elf/powerpc/reloc.c b/libexec/rtld-elf/powerpc/reloc.c index d0637f4..979e43e 100644 --- a/libexec/rtld-elf/powerpc/reloc.c +++ b/libexec/rtld-elf/powerpc/reloc.c @@ -92,6 +92,7 @@ do_copy_relocations(Obj_Entry *dstobj) size = dstsym->st_size; symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rela->r_info)); + req.flags = SYMLOOK_EARLY; for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { @@ -159,7 +160,7 @@ reloc_non_plt_self(Elf_Dyn *dynp, Elf_Addr relocbase) */ static int reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, - SymCache *cache, RtldLockState *lockstate) + SymCache *cache, int flags, RtldLockState *lockstate) { Elf_Addr *where = (Elf_Addr *)(obj->relocbase + rela->r_offset); const Elf_Sym *def; @@ -174,7 +175,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC_ADDR32: /* word32 S + A */ case R_PPC_GLOB_DAT: /* word32 S + A */ def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) { return (-1); } @@ -221,7 +222,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC_DTPMOD32: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -232,7 +233,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC_TPREL32: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -261,7 +262,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC_DTPREL32: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -285,7 +286,8 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, * Process non-PLT relocations */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -309,8 +311,8 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) */ relalim = (const Elf_Rela *)((caddr_t)obj->rela + obj->relasize); for (rela = obj->rela; rela < relalim; rela++) { - if (reloc_nonplt_object(obj_rtld, obj, rela, cache, lockstate) - < 0) + if (reloc_nonplt_object(obj_rtld, obj, rela, cache, flags, + lockstate) < 0) goto done; } r = 0; @@ -416,7 +418,7 @@ reloc_plt(Obj_Entry *obj) * LD_BIND_NOW was set - force relocation for all jump slots */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Rela *relalim; @@ -430,7 +432,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) assert(ELF_R_TYPE(rela->r_info) == R_PPC_JMP_SLOT); where = (Elf_Addr *)(obj->relocbase + rela->r_offset); def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - true, NULL, lockstate); + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) { dbg("reloc_jmpslots: sym not found"); return (-1); @@ -525,7 +527,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ diff --git a/libexec/rtld-elf/powerpc64/reloc.c b/libexec/rtld-elf/powerpc64/reloc.c index 47368a8..46e2c62 100644 --- a/libexec/rtld-elf/powerpc64/reloc.c +++ b/libexec/rtld-elf/powerpc64/reloc.c @@ -86,6 +86,7 @@ do_copy_relocations(Obj_Entry *dstobj) size = dstsym->st_size; symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rela->r_info)); + req.flags = SYMLOOK_EARLY; for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { @@ -153,7 +154,7 @@ reloc_non_plt_self(Elf_Dyn *dynp, Elf_Addr relocbase) */ static int reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, - SymCache *cache, RtldLockState *lockstate) + SymCache *cache, int flags, RtldLockState *lockstate) { Elf_Addr *where = (Elf_Addr *)(obj->relocbase + rela->r_offset); const Elf_Sym *def; @@ -169,7 +170,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC64_ADDR64: case R_PPC_GLOB_DAT: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) { return (-1); } @@ -216,7 +217,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC64_DTPMOD64: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -227,7 +228,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC64_TPREL64: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -256,7 +257,7 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, case R_PPC64_DTPREL64: def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -280,7 +281,8 @@ reloc_nonplt_object(Obj_Entry *obj_rtld, Obj_Entry *obj, const Elf_Rela *rela, * Process non-PLT relocations */ int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -307,8 +309,8 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) */ relalim = (const Elf_Rela *)((caddr_t)obj->rela + obj->relasize); for (rela = obj->rela; rela < relalim; rela++) { - if (reloc_nonplt_object(obj_rtld, obj, rela, cache, lockstate) - < 0) + if (reloc_nonplt_object(obj_rtld, obj, rela, cache, flags, + lockstate) < 0) goto done; } r = 0; @@ -379,7 +381,7 @@ reloc_plt(Obj_Entry *obj) * LD_BIND_NOW was set - force relocation for all jump slots */ int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Rela *relalim; @@ -393,7 +395,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) assert(ELF_R_TYPE(rela->r_info) == R_PPC_JMP_SLOT); where = (Elf_Addr *)(obj->relocbase + rela->r_offset); def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - true, NULL, lockstate); + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) { dbg("reloc_jmpslots: sym not found"); return (-1); @@ -468,7 +470,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c index 3432232..f2ad554 100644 --- a/libexec/rtld-elf/rtld.c +++ b/libexec/rtld-elf/rtld.c @@ -116,9 +116,10 @@ static void objlist_push_head(Objlist *, Obj_Entry *); static void objlist_push_tail(Objlist *, Obj_Entry *); static void objlist_remove(Objlist *, Obj_Entry *); static void *path_enumerate(const char *, path_enum_proc, void *); -static int relocate_objects(Obj_Entry *, bool, Obj_Entry *, RtldLockState *); +static int relocate_objects(Obj_Entry *, bool, Obj_Entry *, int, + RtldLockState *); static int resolve_objects_ifunc(Obj_Entry *first, bool bind_now, - RtldLockState *lockstate); + int flags, RtldLockState *lockstate); static int rtld_dirname(const char *, char *); static int rtld_dirname_abs(const char *, char *); static void *rtld_dlopen(const char *name, int fd, int mode); @@ -545,7 +546,8 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp) } if (relocate_objects(obj_main, - ld_bind_now != NULL && *ld_bind_now != '\0', &obj_rtld, NULL) == -1) + ld_bind_now != NULL && *ld_bind_now != '\0', + &obj_rtld, SYMLOOK_EARLY, NULL) == -1) die(); dbg("doing copy relocations"); @@ -580,7 +582,8 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp) dbg("resolving ifuncs"); if (resolve_objects_ifunc(obj_main, - ld_bind_now != NULL && *ld_bind_now != '\0', NULL) == -1) + ld_bind_now != NULL && *ld_bind_now != '\0', SYMLOOK_EARLY, + NULL) == -1) die(); if (!obj_main->crt_no_init) { @@ -1552,7 +1555,7 @@ init_rtld(caddr_t mapbase, Elf_Auxinfo **aux_info) * that symbols can be found. */ - relocate_objects(&objtmp, true, &objtmp, NULL); + relocate_objects(&objtmp, true, &objtmp, 0, NULL); } /* Initialize the object list. */ @@ -1605,6 +1608,7 @@ initlist_add_neededs(Needed_Entry *needed, Objlist *list) static void initlist_add_objects(Obj_Entry *obj, Obj_Entry **tail, Objlist *list) { + if (obj->init_scanned || obj->init_done) return; obj->init_scanned = true; @@ -1616,6 +1620,10 @@ initlist_add_objects(Obj_Entry *obj, Obj_Entry **tail, Objlist *list) /* Recursively process the needed objects. */ if (obj->needed != NULL) initlist_add_neededs(obj->needed, list); + if (obj->needed_filtees != NULL) + initlist_add_neededs(obj->needed_filtees, list); + if (obj->needed_aux_filtees != NULL) + initlist_add_neededs(obj->needed_aux_filtees, list); /* Add the object to the init list. */ if (obj->preinit_array != (Elf_Addr)NULL || obj->init != (Elf_Addr)NULL || @@ -2144,13 +2152,17 @@ objlist_remove(Objlist *list, Obj_Entry *obj) */ static int relocate_objects(Obj_Entry *first, bool bind_now, Obj_Entry *rtldobj, - RtldLockState *lockstate) + int flags, RtldLockState *lockstate) { Obj_Entry *obj; for (obj = first; obj != NULL; obj = obj->next) { + if (obj->relocated) + continue; + obj->relocated = true; if (obj != rtldobj) dbg("relocating \"%s\"", obj->path); + if (obj->nbuckets == 0 || obj->nchains == 0 || obj->buckets == NULL || obj->symtab == NULL || obj->strtab == NULL) { _rtld_error("%s: Shared object has no run-time symbol table", @@ -2169,7 +2181,7 @@ relocate_objects(Obj_Entry *first, bool bind_now, Obj_Entry *rtldobj, } /* Process the non-PLT relocations. */ - if (reloc_non_plt(obj, rtldobj, lockstate)) + if (reloc_non_plt(obj, rtldobj, flags, lockstate)) return -1; if (obj->textrel) { /* Re-protected the text segment. */ @@ -2190,7 +2202,7 @@ relocate_objects(Obj_Entry *first, bool bind_now, Obj_Entry *rtldobj, return -1; /* Relocate the jump slots if we are doing immediate binding. */ if (obj->bind_now || bind_now) - if (reloc_jmpslots(obj, lockstate) == -1) + if (reloc_jmpslots(obj, flags, lockstate) == -1) return -1; if (obj->relro_size > 0) { @@ -2225,35 +2237,39 @@ relocate_objects(Obj_Entry *first, bool bind_now, Obj_Entry *rtldobj, * consistent with how GNU does it. */ static int -resolve_object_ifunc(Obj_Entry *obj, bool bind_now, RtldLockState *lockstate) +resolve_object_ifunc(Obj_Entry *obj, bool bind_now, int flags, + RtldLockState *lockstate) { if (obj->irelative && reloc_iresolve(obj, lockstate) == -1) return (-1); if ((obj->bind_now || bind_now) && obj->gnu_ifunc && - reloc_gnu_ifunc(obj, lockstate) == -1) + reloc_gnu_ifunc(obj, flags, lockstate) == -1) return (-1); return (0); } static int -resolve_objects_ifunc(Obj_Entry *first, bool bind_now, RtldLockState *lockstate) +resolve_objects_ifunc(Obj_Entry *first, bool bind_now, int flags, + RtldLockState *lockstate) { Obj_Entry *obj; for (obj = first; obj != NULL; obj = obj->next) { - if (resolve_object_ifunc(obj, bind_now, lockstate) == -1) + if (resolve_object_ifunc(obj, bind_now, flags, lockstate) == -1) return (-1); } return (0); } static int -initlist_objects_ifunc(Objlist *list, bool bind_now, RtldLockState *lockstate) +initlist_objects_ifunc(Objlist *list, bool bind_now, int flags, + RtldLockState *lockstate) { Objlist_Entry *elm; STAILQ_FOREACH(elm, list, link) { - if (resolve_object_ifunc(elm->obj, bind_now, lockstate) == -1) + if (resolve_object_ifunc(elm->obj, bind_now, flags, + lockstate) == -1) return (-1); } return (0); @@ -2515,17 +2531,30 @@ dlopen_object(const char *name, int fd, Obj_Entry *refobj, int lo_flags, objlist_push_tail(&list_global, obj); if (*old_obj_tail != NULL) { /* We loaded something new. */ assert(*old_obj_tail == obj); - result = load_needed_objects(obj, lo_flags & RTLD_LO_DLOPEN); + result = load_needed_objects(obj, + lo_flags & (RTLD_LO_DLOPEN | RTLD_LO_EARLY)); init_dag(obj); ref_dag(obj); if (result != -1) result = rtld_verify_versions(&obj->dagmembers); if (result != -1 && ld_tracing) goto trace; - if (result == -1 || (relocate_objects(obj, (mode & RTLD_MODEMASK) - == RTLD_NOW, &obj_rtld, &lockstate)) == -1) { + if (result == -1 || (relocate_objects(obj, + (mode & RTLD_MODEMASK) == RTLD_NOW, &obj_rtld, + (lo_flags & RTLD_LO_EARLY) ? SYMLOOK_EARLY : 0, + &lockstate)) == -1) { dlopen_cleanup(obj); obj = NULL; + } else if (lo_flags & RTLD_LO_EARLY) { + /* + * Do not call the init functions for early loaded + * filtees. The image is still not initialized enough + * for them to work. + * + * Our object is found by the global object list and + * will be ordered among all init calls done right + * before transferring control to main. + */ } else { /* Make list of init functions to call. */ initlist_add_objects(obj, &obj->next, &initlist); @@ -2559,6 +2588,7 @@ dlopen_object(const char *name, int fd, Obj_Entry *refobj, int lo_flags, map_stacks_exec(&lockstate); if (initlist_objects_ifunc(&initlist, (mode & RTLD_MODEMASK) == RTLD_NOW, + (lo_flags & RTLD_LO_EARLY) ? SYMLOOK_EARLY : 0, &lockstate) == -1) { objlist_clear(&initlist); dlopen_cleanup(obj); @@ -2566,8 +2596,10 @@ dlopen_object(const char *name, int fd, Obj_Entry *refobj, int lo_flags, return (NULL); } - /* Call the init functions. */ - objlist_call_init(&initlist, &lockstate); + if (!(lo_flags & RTLD_LO_EARLY)) { + /* Call the init functions. */ + objlist_call_init(&initlist, &lockstate); + } objlist_clear(&initlist); lock_release(rtld_bind_lock, &lockstate); return obj; @@ -3354,12 +3386,13 @@ symlook_obj(SymLook *req, const Obj_Entry *obj) { DoneList donelist; SymLook req1; - int res, mres; + int flags, res, mres; mres = symlook_obj1(req, obj); if (mres == 0) { if (obj->needed_filtees != NULL) { - load_filtees(__DECONST(Obj_Entry *, obj), 0, req->lockstate); + flags = (req->flags & SYMLOOK_EARLY) ? RTLD_LO_EARLY : 0; + load_filtees(__DECONST(Obj_Entry *, obj), flags, req->lockstate); donelist_init(&donelist); symlook_init_from_req(&req1, req); res = symlook_needed(&req1, obj->needed_filtees, &donelist); @@ -3370,7 +3403,8 @@ symlook_obj(SymLook *req, const Obj_Entry *obj) return (res); } if (obj->needed_aux_filtees != NULL) { - load_filtees(__DECONST(Obj_Entry *, obj), 0, req->lockstate); + flags = (req->flags & SYMLOOK_EARLY) ? RTLD_LO_EARLY : 0; + load_filtees(__DECONST(Obj_Entry *, obj), flags, req->lockstate); donelist_init(&donelist); symlook_init_from_req(&req1, req); res = symlook_needed(&req1, obj->needed_aux_filtees, &donelist); diff --git a/libexec/rtld-elf/rtld.h b/libexec/rtld-elf/rtld.h index 9dfa0a2..2aabffe 100644 --- a/libexec/rtld-elf/rtld.h +++ b/libexec/rtld-elf/rtld.h @@ -229,6 +229,7 @@ typedef struct Struct_Obj_Entry { bool mainprog : 1; /* True if this is the main program */ bool rtld : 1; /* True if this is the dynamic linker */ + bool relocated : 1; /* True if processed by relocate_objects() */ bool textrel : 1; /* True if there are relocations to text seg */ bool symbolic : 1; /* True if generated with "-Bsymbolic" */ bool bind_now : 1; /* True if all relocations should be made first */ @@ -267,6 +268,7 @@ typedef struct Struct_Obj_Entry { #define SYMLOOK_IN_PLT 0x01 /* Lookup for PLT symbol */ #define SYMLOOK_DLSYM 0x02 /* Return newest versioned symbol. Used by dlsym. */ +#define SYMLOOK_EARLY 0x04 /* Symlook is done during initialization. */ /* Flags for load_object(). */ #define RTLD_LO_NOLOAD 0x01 /* dlopen() specified RTLD_NOLOAD. */ @@ -274,6 +276,8 @@ typedef struct Struct_Obj_Entry { #define RTLD_LO_TRACE 0x04 /* Only tracing. */ #define RTLD_LO_NODELETE 0x08 /* Loaded object cannot be closed. */ #define RTLD_LO_FILTEES 0x10 /* Loading filtee. */ +#define RTLD_LO_EARLY 0x20 /* Do not call ctors, postpone it to the + initialization during the image start. */ /* * Symbol cache entry used during relocation to avoid multiple lookups @@ -353,11 +357,12 @@ const Ver_Entry *fetch_ventry(const Obj_Entry *obj, unsigned long); * MD function declarations. */ int do_copy_relocations(Obj_Entry *); -int reloc_non_plt(Obj_Entry *, Obj_Entry *, struct Struct_RtldLockState *); +int reloc_non_plt(Obj_Entry *, Obj_Entry *, int flags, + struct Struct_RtldLockState *); int reloc_plt(Obj_Entry *); -int reloc_jmpslots(Obj_Entry *, struct Struct_RtldLockState *); +int reloc_jmpslots(Obj_Entry *, int flags, struct Struct_RtldLockState *); int reloc_iresolve(Obj_Entry *, struct Struct_RtldLockState *); -int reloc_gnu_ifunc(Obj_Entry *, struct Struct_RtldLockState *); +int reloc_gnu_ifunc(Obj_Entry *, int flags, struct Struct_RtldLockState *); void allocate_initial_tls(Obj_Entry *); #endif /* } */ diff --git a/libexec/rtld-elf/sparc64/reloc.c b/libexec/rtld-elf/sparc64/reloc.c index 4ab0eae..ce0d945 100644 --- a/libexec/rtld-elf/sparc64/reloc.c +++ b/libexec/rtld-elf/sparc64/reloc.c @@ -231,7 +231,7 @@ static const long reloc_target_bitmask[] = { __asm __volatile("flush %0 + %1" : : "r" (va), "I" (offs)); static int reloc_nonplt_object(Obj_Entry *obj, const Elf_Rela *rela, - SymCache *cache, RtldLockState *lockstate); + SymCache *cache, int flags, RtldLockState *lockstate); static void install_plt(Elf_Word *pltgot, Elf_Addr proc); extern char _rtld_bind_start_0[]; @@ -264,6 +264,7 @@ do_copy_relocations(Obj_Entry *dstobj) symlook_init(&req, name); req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rela->r_info)); + req.flags = SYMLOOK_EARLY; for (srcobj = dstobj->next; srcobj != NULL; srcobj = srcobj->next) { @@ -291,7 +292,8 @@ do_copy_relocations(Obj_Entry *dstobj) } int -reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) +reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, + RtldLockState *lockstate) { const Elf_Rela *relalim; const Elf_Rela *rela; @@ -310,7 +312,7 @@ reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, RtldLockState *lockstate) relalim = (const Elf_Rela *)((caddr_t)obj->rela + obj->relasize); for (rela = obj->rela; rela < relalim; rela++) { - if (reloc_nonplt_object(obj, rela, cache, lockstate) < 0) + if (reloc_nonplt_object(obj, rela, cache, flags, lockstate) < 0) goto done; } r = 0; @@ -322,7 +324,7 @@ done: static int reloc_nonplt_object(Obj_Entry *obj, const Elf_Rela *rela, SymCache *cache, - RtldLockState *lockstate) + int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Sym *def; @@ -385,7 +387,7 @@ reloc_nonplt_object(Obj_Entry *obj, const Elf_Rela *rela, SymCache *cache, if (RELOC_RESOLVE_SYMBOL(type)) { /* Find the symbol. */ def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - false, cache, lockstate); + flags, cache, lockstate); if (def == NULL) return (-1); @@ -526,7 +528,7 @@ reloc_plt(Obj_Entry *obj) #define LOVAL(v) ((v) & 0x000003ff) int -reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) +reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Rela *relalim; @@ -540,7 +542,7 @@ reloc_jmpslots(Obj_Entry *obj, RtldLockState *lockstate) assert(ELF64_R_TYPE_ID(rela->r_info) == R_SPARC_JMP_SLOT); where = (Elf_Addr *)(obj->relocbase + rela->r_offset); def = find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, - true, NULL, lockstate); + SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) return -1; target = (Elf_Addr)(defobj->relocbase + def->st_value); @@ -559,7 +561,8 @@ reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) } int -reloc_gnu_ifunc(Obj_Entry *obj, struct Struct_RtldLockState *lockstate) +reloc_gnu_ifunc(Obj_Entry *obj, int flags, + struct Struct_RtldLockState *lockstate) { /* XXX not implemented */ |
