diff --git a/lib/libthr/arch/aarch64/include/pthread_md.h b/lib/libthr/arch/aarch64/include/pthread_md.h index 75e6abf445ba..305abed55d3c 100644 --- a/lib/libthr/arch/aarch64/include/pthread_md.h +++ b/lib/libthr/arch/aarch64/include/pthread_md.h @@ -49,4 +49,9 @@ _get_curthread(void) return (_tcb_get()->tcb_thread); } +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/amd64/include/pthread_md.h b/lib/libthr/arch/amd64/include/pthread_md.h index fa0802e64ebb..5b1486b151c0 100644 --- a/lib/libthr/arch/amd64/include/pthread_md.h +++ b/lib/libthr/arch/amd64/include/pthread_md.h @@ -54,4 +54,9 @@ _get_curthread(void) #define HAS__UMTX_OP_ERR 1 +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif diff --git a/lib/libthr/arch/arm/Makefile.inc b/lib/libthr/arch/arm/Makefile.inc new file mode 100644 index 000000000000..4e770cf6b90f --- /dev/null +++ b/lib/libthr/arch/arm/Makefile.inc @@ -0,0 +1,3 @@ +.PATH: ${.CURDIR}/arch/arm +SRCS+= \ + thr_rtld_arm.c diff --git a/lib/libthr/arch/arm/thr_rtld_arm.c b/lib/libthr/arch/arm/thr_rtld_arm.c new file mode 100644 index 000000000000..35f5fe56cfff --- /dev/null +++ b/lib/libthr/arch/arm/thr_rtld_arm.c @@ -0,0 +1,67 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2024, Michal Meloun + * + * 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 unmodified, 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. + */ + +#include +#include + +#include "thr_private.h" + +int __aeabi_idiv(int , int ); +unsigned __aeabi_uidiv(unsigned, unsigned ); + +struct {int q; int r;} __aeabi_idivmod(int, int ); +struct {unsigned q; unsigned r;} __aeabi_uidivmod(unsigned, unsigned); + +struct {int64_t q; int64_t r;} __aeabi_ldivmod(int64_t, int64_t); +struct {uint64_t q; uint64_t r;} __aeabi_uldivmod(uint64_t, uint64_t); + +void __aeabi_memset(void *dest, size_t n, int c); +void __aeabi_memclr(void *dest, size_t n); +void __aeabi_memmove(void *dest, void *src, size_t n); +void __aeabi_memcpy(void *dest, void *src, size_t n); +void __aeabi_memcmp(void *dest, void *src, size_t n); + +void +_thr_resolve_machdep(void) +{ + char tmp[2]; + + __aeabi_idiv(1, 1); + __aeabi_uidiv(1, 1); + + __aeabi_idivmod(1, 1); + __aeabi_uidivmod(1, 1); + + __aeabi_ldivmod(1, 1); + __aeabi_uldivmod(1, 1); + + __aeabi_memset(tmp, 1, 0); + __aeabi_memclr(tmp, 1); + __aeabi_memmove(tmp, tmp + 1, 1); + __aeabi_memcpy(tmp, tmp + 1, 1); + __aeabi_memcmp(tmp, tmp + 1, 1); +} diff --git a/lib/libthr/arch/i386/include/pthread_md.h b/lib/libthr/arch/i386/include/pthread_md.h index 2a396abe3824..cb9af559db32 100644 --- a/lib/libthr/arch/i386/include/pthread_md.h +++ b/lib/libthr/arch/i386/include/pthread_md.h @@ -54,4 +54,9 @@ _get_curthread(void) #define HAS__UMTX_OP_ERR 1 +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif diff --git a/lib/libthr/arch/mips/include/pthread_md.h b/lib/libthr/arch/mips/include/pthread_md.h index 5ccf16cef1e5..b56f06606a8a 100644 --- a/lib/libthr/arch/mips/include/pthread_md.h +++ b/lib/libthr/arch/mips/include/pthread_md.h @@ -50,4 +50,9 @@ _get_curthread(void) return (NULL); } +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/powerpc/include/pthread_md.h b/lib/libthr/arch/powerpc/include/pthread_md.h index 14f1703b5460..31fa9820b26a 100644 --- a/lib/libthr/arch/powerpc/include/pthread_md.h +++ b/lib/libthr/arch/powerpc/include/pthread_md.h @@ -51,4 +51,9 @@ _get_curthread(void) #define HAS__UMTX_OP_ERR 1 +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/riscv/include/pthread_md.h b/lib/libthr/arch/riscv/include/pthread_md.h index 343f4cae8486..baddfe3ecb22 100644 --- a/lib/libthr/arch/riscv/include/pthread_md.h +++ b/lib/libthr/arch/riscv/include/pthread_md.h @@ -56,4 +56,9 @@ _get_curthread(void) return (NULL); } +static __inline void +_thr_resolve_machdep(void) +{ +} + #endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/thread/thr_private.h b/lib/libthr/thread/thr_private.h index e590fb0c1e7a..ec0c617a54c2 100644 --- a/lib/libthr/thread/thr_private.h +++ b/lib/libthr/thread/thr_private.h @@ -1102,6 +1102,7 @@ int __Tthr_mutex_lock(pthread_mutex_t *); int __Tthr_mutex_trylock(pthread_mutex_t *); bool __thr_get_main_stack_base(char **base); bool __thr_get_main_stack_lim(size_t *lim); +void _thr_resolve_machdep(void); __END_DECLS __NULLABILITY_PRAGMA_POP diff --git a/lib/libthr/thread/thr_rtld.c b/lib/libthr/thread/thr_rtld.c index 3bc07638e6bf..49e20fdf5145 100644 --- a/lib/libthr/thread/thr_rtld.c +++ b/lib/libthr/thread/thr_rtld.c @@ -275,6 +275,9 @@ _thr_rtld_init(void) _thr_signal_block_check_fast(); _thr_signal_block_setup(curthread); + /* resolve machine depended functions, if any */ + _thr_resolve_machdep(); + uc_len = __getcontextx_size(); uc = alloca(uc_len); getcontext(uc);