diff --git a/lib/libc/arm/gen/__aeabi_read_tp.S b/lib/libc/arm/gen/__aeabi_read_tp.S index 224d6a632185..6229c951b344 100644 --- a/lib/libc/arm/gen/__aeabi_read_tp.S +++ b/lib/libc/arm/gen/__aeabi_read_tp.S @@ -1,48 +1,38 @@ /*- * Copyright (c) 2012 Oleksandr Tymoshenko * Copyright (c) 2012 Andrew Turner * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include ENTRY(__aeabi_read_tp) -#ifdef ARM_TP_ADDRESS - ldr r0, .Larm_tp_address - ldr r0, [r0] -#else mrc p15, 0, r0, c13, c0, 3 -#endif RET END(__aeabi_read_tp) -#ifdef ARM_TP_ADDRESS -.Larm_tp_address: - .word ARM_TP_ADDRESS -#endif - .section .note.GNU-stack,"",%progbits diff --git a/lib/libc/arm/gen/_set_tp.c b/lib/libc/arm/gen/_set_tp.c index d0801d7444ba..1346ece5c9ef 100644 --- a/lib/libc/arm/gen/_set_tp.c +++ b/lib/libc/arm/gen/_set_tp.c @@ -1,46 +1,42 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2004 Doug Rabson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include "libc_private.h" void _set_tp(void *tp) { -#ifdef ARM_TP_ADDRESS - *((struct tcb **)ARM_TP_ADDRESS) = tp; -#else sysarch(ARM_SET_TP, tp); -#endif } diff --git a/lib/libc/arm/static_tls.h b/lib/libc/arm/static_tls.h index e6be9adfcff6..9f24cd4aae39 100644 --- a/lib/libc/arm/static_tls.h +++ b/lib/libc/arm/static_tls.h @@ -1,51 +1,47 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2019 The FreeBSD Foundation * * This software was developed by Konstantin Belousov * under sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LIBC_ARM_STATIC_TLS_H #define _LIBC_ARM_STATIC_TLS_H static __inline uintptr_t _libc_get_static_tls_base(size_t offset) { uintptr_t tlsbase; -#ifdef ARM_TP_ADDRESS - tlsbase = *(uintptr_t *)ARM_TP_ADDRESS; -#else __asm __volatile("mrc p15, 0, %0, c13, c0, 3" : "=r" (tlsbase)); -#endif tlsbase += offset; return (tlsbase); } #endif diff --git a/lib/libthr/arch/arm/include/pthread_md.h b/lib/libthr/arch/arm/include/pthread_md.h index 55d93d0853bc..6f99eb7a139b 100644 --- a/lib/libthr/arch/arm/include/pthread_md.h +++ b/lib/libthr/arch/arm/include/pthread_md.h @@ -1,89 +1,81 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2005 David Xu . * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /* * Machine-dependent thread prototypes/definitions. */ #ifndef _PTHREAD_MD_H_ #define _PTHREAD_MD_H_ #include #include #include #define CPU_SPINWAIT #define DTV_OFFSET offsetof(struct tcb, tcb_dtv) /* * Variant I tcb. The structure layout is fixed, don't blindly * change it. */ struct tcb { void *tcb_dtv; /* required by rtld */ struct pthread *tcb_thread; /* our hook */ }; /* Called from the thread to set its private data. */ static __inline void _tcb_set(struct tcb *tcb) { -#ifdef ARM_TP_ADDRESS - *((struct tcb **)ARM_TP_ADDRESS) = tcb; /* avoids a system call */ -#else sysarch(ARM_SET_TP, tcb); -#endif } /* * Get the current tcb. */ static __inline struct tcb * _tcb_get(void) { -#ifdef ARM_TP_ADDRESS - return (*((struct tcb **)ARM_TP_ADDRESS)); -#else struct tcb *tcb; __asm __volatile("mrc p15, 0, %0, c13, c0, 3" \ : "=r" (tcb)); return (tcb); -#endif } static __inline struct pthread * _get_curthread(void) { if (_thr_initial) return (_tcb_get()->tcb_thread); return (NULL); } #endif /* _PTHREAD_MD_H_ */ diff --git a/libexec/rtld-elf/arm/reloc.c b/libexec/rtld-elf/arm/reloc.c index 7779169667be..4e551b0948ad 100644 --- a/libexec/rtld-elf/arm/reloc.c +++ b/libexec/rtld-elf/arm/reloc.c @@ -1,529 +1,515 @@ /* $NetBSD: mdreloc.c,v 1.23 2003/07/26 15:04:38 mrg Exp $ */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include "machine/sysarch.h" #include "debug.h" #include "rtld.h" #include "paths.h" #ifdef __ARM_FP /* * On processors that have hard floating point supported, we also support * running soft float binaries. If we're being built with hard float support, * check the ELF headers to make sure that this is a hard float binary. If it is * a soft float binary, force the dynamic linker to use the alternative soft * float path. */ void arm_abi_variant_hook(Elf_Auxinfo **aux_info) { Elf_Word ehdr; /* * If we're running an old kernel that doesn't provide any data fail * safe by doing nothing. */ if (aux_info[AT_EHDRFLAGS] == NULL) return; ehdr = aux_info[AT_EHDRFLAGS]->a_un.a_val; /* * Hard float ABI binaries are the default, and use the default paths * and such. */ if ((ehdr & EF_ARM_VFP_FLOAT) != 0) return; /* * This is a soft float ABI binary. We need to use the soft float * settings. */ ld_elf_hints_default = _PATH_SOFT_ELF_HINTS; ld_path_libmap_conf = _PATH_SOFT_LIBMAP_CONF; ld_path_rtld = _PATH_SOFT_RTLD; ld_standard_library_path = SOFT_STANDARD_LIBRARY_PATH; ld_env_prefix = LD_SOFT_; } #endif void init_pltgot(Obj_Entry *obj) { if (obj->pltgot != NULL) { obj->pltgot[1] = (Elf_Addr) obj; obj->pltgot[2] = (Elf_Addr) &_rtld_bind_start; } } int do_copy_relocations(Obj_Entry *dstobj) { const Elf_Rel *rellim; const Elf_Rel *rel; assert(dstobj->mainprog); /* COPY relocations are invalid elsewhere */ rellim = (const Elf_Rel *)((const char *) dstobj->rel + dstobj->relsize); for (rel = dstobj->rel; rel < rellim; rel++) { if (ELF_R_TYPE(rel->r_info) == R_ARM_COPY) { void *dstaddr; const Elf_Sym *dstsym; const char *name; size_t size; const void *srcaddr; const Elf_Sym *srcsym; const Obj_Entry *srcobj, *defobj; SymLook req; int res; dstaddr = (void *)(dstobj->relocbase + rel->r_offset); dstsym = dstobj->symtab + ELF_R_SYM(rel->r_info); name = dstobj->strtab + dstsym->st_name; 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 = globallist_next(dstobj); srcobj != NULL; srcobj = globallist_next(srcobj)) { res = symlook_obj(&req, srcobj); if (res == 0) { srcsym = req.sym_out; defobj = req.defobj_out; break; } } if (srcobj == NULL) { _rtld_error( "Undefined symbol \"%s\" referenced from COPY relocation in %s", name, dstobj->path); return (-1); } srcaddr = (const void *)(defobj->relocbase + srcsym->st_value); memcpy(dstaddr, srcaddr, size); } } return 0; } void _rtld_bind_start(void); void _rtld_relocate_nonplt_self(Elf_Dyn *, Elf_Addr); void _rtld_relocate_nonplt_self(Elf_Dyn *dynp, Elf_Addr relocbase) { const Elf_Rel *rel = NULL, *rellim; Elf_Addr relsz = 0; Elf_Addr *where; uint32_t size; for (; dynp->d_tag != DT_NULL; dynp++) { switch (dynp->d_tag) { case DT_REL: rel = (const Elf_Rel *)(relocbase + dynp->d_un.d_ptr); break; case DT_RELSZ: relsz = dynp->d_un.d_val; break; } } rellim = (const Elf_Rel *)((const char *)rel + relsz); size = (rellim - 1)->r_offset - rel->r_offset; for (; rel < rellim; rel++) { where = (Elf_Addr *)(relocbase + rel->r_offset); *where += (Elf_Addr)relocbase; } } /* * It is possible for the compiler to emit relocations for unaligned data. * We handle this situation with these inlines. */ #define RELOC_ALIGNED_P(x) \ (((uintptr_t)(x) & (sizeof(void *) - 1)) == 0) static __inline Elf_Addr load_ptr(void *where) { Elf_Addr res; memcpy(&res, where, sizeof(res)); return (res); } static __inline void store_ptr(void *where, Elf_Addr val) { memcpy(where, &val, sizeof(val)); } static int reloc_nonplt_object(Obj_Entry *obj, const Elf_Rel *rel, SymCache *cache, int flags, RtldLockState *lockstate) { Elf_Addr *where; const Elf_Sym *def; const Obj_Entry *defobj; Elf_Addr tmp; unsigned long symnum; where = (Elf_Addr *)(obj->relocbase + rel->r_offset); symnum = ELF_R_SYM(rel->r_info); switch (ELF_R_TYPE(rel->r_info)) { case R_ARM_NONE: break; #if 1 /* XXX should not occur */ case R_ARM_PC24: { /* word32 S - P + A */ Elf32_Sword addend; /* * Extract addend and sign-extend if needed. */ addend = *where; if (addend & 0x00800000) addend |= 0xff000000; def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; tmp = (Elf_Addr)obj->relocbase + def->st_value - (Elf_Addr)where + (addend << 2); if ((tmp & 0xfe000000) != 0xfe000000 && (tmp & 0xfe000000) != 0) { _rtld_error( "%s: R_ARM_PC24 relocation @ %p to %s failed " "(displacement %ld (%#lx) out of range)", obj->path, where, obj->strtab + obj->symtab[symnum].st_name, (long) tmp, (long) tmp); return -1; } tmp >>= 2; *where = (*where & 0xff000000) | (tmp & 0x00ffffff); dbg("PC24 %s in %s --> %p @ %p in %s", obj->strtab + obj->symtab[symnum].st_name, obj->path, (void *)*where, where, defobj->path); break; } #endif case R_ARM_ABS32: /* word32 B + S + A */ case R_ARM_GLOB_DAT: /* word32 B + S */ def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; if (__predict_true(RELOC_ALIGNED_P(where))) { tmp = *where + (Elf_Addr)defobj->relocbase + def->st_value; *where = tmp; } else { tmp = load_ptr(where) + (Elf_Addr)defobj->relocbase + def->st_value; store_ptr(where, tmp); } dbg("ABS32/GLOB_DAT %s in %s --> %p @ %p in %s", obj->strtab + obj->symtab[symnum].st_name, obj->path, (void *)tmp, where, defobj->path); break; case R_ARM_RELATIVE: /* word32 B + A */ if (__predict_true(RELOC_ALIGNED_P(where))) { tmp = *where + (Elf_Addr)obj->relocbase; *where = tmp; } else { tmp = load_ptr(where) + (Elf_Addr)obj->relocbase; store_ptr(where, tmp); } dbg("RELATIVE in %s --> %p", obj->path, (void *)tmp); break; case R_ARM_COPY: /* * These are deferred until all other relocations have * been done. All we do here is make sure that the * COPY relocation is not in a shared library. They * are allowed only in executable files. */ if (!obj->mainprog) { _rtld_error( "%s: Unexpected R_COPY relocation in shared library", obj->path); return -1; } dbg("COPY (avoid in main)"); break; case R_ARM_TLS_DTPOFF32: def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; tmp = (Elf_Addr)(def->st_value); if (__predict_true(RELOC_ALIGNED_P(where))) *where = tmp; else store_ptr(where, tmp); dbg("TLS_DTPOFF32 %s in %s --> %p", obj->strtab + obj->symtab[symnum].st_name, obj->path, (void *)tmp); break; case R_ARM_TLS_DTPMOD32: def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; tmp = (Elf_Addr)(defobj->tlsindex); if (__predict_true(RELOC_ALIGNED_P(where))) *where = tmp; else store_ptr(where, tmp); dbg("TLS_DTPMOD32 %s in %s --> %p", obj->strtab + obj->symtab[symnum].st_name, obj->path, (void *)tmp); break; case R_ARM_TLS_TPOFF32: def = find_symdef(symnum, obj, &defobj, flags, cache, lockstate); if (def == NULL) return -1; if (!defobj->tls_done && !allocate_tls_offset(obj)) return -1; tmp = (Elf_Addr)def->st_value + defobj->tlsoffset; if (__predict_true(RELOC_ALIGNED_P(where))) *where = tmp; else store_ptr(where, tmp); dbg("TLS_TPOFF32 %s in %s --> %p", obj->strtab + obj->symtab[symnum].st_name, obj->path, (void *)tmp); break; default: dbg("sym = %lu, type = %lu, offset = %p, " "contents = %p, symbol = %s", symnum, (u_long)ELF_R_TYPE(rel->r_info), (void *)rel->r_offset, (void *)load_ptr(where), obj->strtab + obj->symtab[symnum].st_name); _rtld_error("%s: Unsupported relocation type %ld " "in non-PLT relocations\n", obj->path, (u_long) ELF_R_TYPE(rel->r_info)); return -1; } return 0; } /* * * Process non-PLT relocations * */ int reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags, RtldLockState *lockstate) { const Elf_Rel *rellim; const Elf_Rel *rel; SymCache *cache; int r = -1; /* The relocation for the dynamic loader has already been done. */ if (obj == obj_rtld) return (0); if ((flags & SYMLOOK_IFUNC) != 0) /* XXX not implemented */ return (0); /* * The dynamic loader may be called from a thread, we have * limited amounts of stack available so we cannot use alloca(). */ cache = calloc(obj->dynsymcount, sizeof(SymCache)); /* No need to check for NULL here */ rellim = (const Elf_Rel *)((const char *)obj->rel + obj->relsize); for (rel = obj->rel; rel < rellim; rel++) { if (reloc_nonplt_object(obj, rel, cache, flags, lockstate) < 0) goto done; } r = 0; done: if (cache != NULL) free(cache); return (r); } /* * * Process the PLT relocations. * */ int reloc_plt(Obj_Entry *obj, int flags __unused, RtldLockState *lockstate __unused) { const Elf_Rel *rellim; const Elf_Rel *rel; rellim = (const Elf_Rel *)((const char *)obj->pltrel + obj->pltrelsize); for (rel = obj->pltrel; rel < rellim; rel++) { Elf_Addr *where; assert(ELF_R_TYPE(rel->r_info) == R_ARM_JUMP_SLOT); where = (Elf_Addr *)(obj->relocbase + rel->r_offset); *where += (Elf_Addr )obj->relocbase; } return (0); } /* * * LD_BIND_NOW was set - force relocation for all jump slots * */ int reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate) { const Obj_Entry *defobj; const Elf_Rel *rellim; const Elf_Rel *rel; const Elf_Sym *def; Elf_Addr *where; Elf_Addr target; rellim = (const Elf_Rel *)((const char *)obj->pltrel + obj->pltrelsize); for (rel = obj->pltrel; rel < rellim; rel++) { 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, SYMLOOK_IN_PLT | flags, NULL, lockstate); if (def == NULL) { dbg("reloc_jmpslots: sym not found"); return (-1); } target = (Elf_Addr)(defobj->relocbase + def->st_value); reloc_jmpslot(where, target, defobj, obj, (const Elf_Rel *) rel); } obj->jmpslots_done = true; return (0); } int reloc_iresolve(Obj_Entry *obj __unused, struct Struct_RtldLockState *lockstate __unused) { /* XXX not implemented */ return (0); } int reloc_iresolve_nonplt(Obj_Entry *obj __unused, struct Struct_RtldLockState *lockstate __unused) { /* XXX not implemented */ return (0); } int reloc_gnu_ifunc(Obj_Entry *obj __unused, int flags __unused, struct Struct_RtldLockState *lockstate __unused) { /* XXX not implemented */ return (0); } Elf_Addr reloc_jmpslot(Elf_Addr *where, Elf_Addr target, const Obj_Entry *defobj __unused, const Obj_Entry *obj __unused, const Elf_Rel *rel) { assert(ELF_R_TYPE(rel->r_info) == R_ARM_JUMP_SLOT); if (*where != target && !ld_bind_not) *where = target; return (target); } void ifunc_init(Elf_Auxinfo aux_info[__min_size(AT_COUNT)] __unused) { } void allocate_initial_tls(Obj_Entry *objs) { -#ifdef ARM_TP_ADDRESS - void **_tp = (void **)ARM_TP_ADDRESS; -#endif - /* * Fix the size of the static TLS block by using the maximum * offset allocated so far and adding a bit for dynamic modules to * use. */ tls_static_space = tls_last_offset + tls_last_size + RTLD_STATIC_TLS_EXTRA; -#ifdef ARM_TP_ADDRESS - (*_tp) = (void *) allocate_tls(objs, NULL, TLS_TCB_SIZE, 8); -#else sysarch(ARM_SET_TP, allocate_tls(objs, NULL, TLS_TCB_SIZE, 8)); -#endif } void * __tls_get_addr(tls_index* ti) { char *p; -#ifdef ARM_TP_ADDRESS - void **_tp = (void **)ARM_TP_ADDRESS; - - p = tls_get_addr_common((Elf_Addr **)(*_tp), ti->ti_module, ti->ti_offset); -#else void *_tp; __asm __volatile("mrc p15, 0, %0, c13, c0, 3" \ : "=r" (_tp)); p = tls_get_addr_common((Elf_Addr **)(_tp), ti->ti_module, ti->ti_offset); -#endif return (p); }