diff options
author | Jean-Baptiste Queru <jbq@google.com> | 2009-11-08 16:09:17 -0800 |
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committer | Jean-Baptiste Queru <jbq@google.com> | 2009-11-08 16:09:17 -0800 |
commit | 10be95cffc7f2b02d8baac55a9cf1b16d8afbadb (patch) | |
tree | 372359d357eb01bd7c3160cb20339c20c317804f | |
parent | 47c5e30b61bad28731e4acff2d690a4207801f27 (diff) | |
parent | ad13c57298e57d33c130fb03a2c6494da573408c (diff) | |
download | bionic-10be95cffc7f2b02d8baac55a9cf1b16d8afbadb.zip bionic-10be95cffc7f2b02d8baac55a9cf1b16d8afbadb.tar.gz bionic-10be95cffc7f2b02d8baac55a9cf1b16d8afbadb.tar.bz2 |
merge from open-source master
40 files changed, 2968 insertions, 40 deletions
diff --git a/libc/Android.mk b/libc/Android.mk index 5718d18..bafc118 100644 --- a/libc/Android.mk +++ b/libc/Android.mk @@ -52,6 +52,7 @@ libc_common_src_files := \ unistd/siginterrupt.c \ unistd/siglist.c \ unistd/signal.c \ + unistd/signame.c \ unistd/sigsetmask.c \ unistd/sigsuspend.c \ unistd/sigwait.c \ @@ -175,7 +176,6 @@ libc_common_src_files := \ string/memccpy.c \ string/memchr.c \ string/memmem.c \ - string/memmove.c.arm \ string/memrchr.c \ string/memswap.c \ string/strcasecmp.c \ @@ -259,7 +259,7 @@ libc_common_src_files := \ netbsd/resolv/res_mkquery.c \ netbsd/resolv/res_query.c \ netbsd/resolv/res_send.c \ - netbsd/resolv/res_state.c.arm \ + netbsd/resolv/res_state.c \ netbsd/resolv/res_cache.c \ netbsd/net/nsdispatch.c \ netbsd/net/getaddrinfo.c \ @@ -298,6 +298,7 @@ libc_common_src_files += \ arch-arm/bionic/sigsetjmp.S \ arch-arm/bionic/strlen.c.arm \ arch-arm/bionic/syscall.S \ + string/memmove.c.arm \ unistd/socketcalls.c # These files need to be arm so that gdbserver @@ -333,6 +334,7 @@ libc_common_src_files += \ arch-x86/string/memcmp.S \ arch-x86/string/memcpy.S \ arch-x86/string/strlen.S \ + string/memmove.c \ bionic/pthread.c \ bionic/pthread-timers.c \ bionic/ptrace.c @@ -342,7 +344,38 @@ libc_arch_static_src_files := \ arch-x86/bionic/dl_iterate_phdr_static.c libc_arch_dynamic_src_files := -endif # x86 +else # !x86 + +ifeq ($(TARGET_ARCH),sh) +libc_common_src_files += \ + arch-sh/bionic/__get_pc.S \ + arch-sh/bionic/__get_sp.S \ + arch-sh/bionic/_exit_with_stack_teardown.S \ + arch-sh/bionic/_setjmp.S \ + arch-sh/bionic/atomics_sh.c \ + arch-sh/bionic/atomic_cmpxchg.S \ + arch-sh/bionic/clone.S \ + arch-sh/bionic/pipe.S \ + arch-sh/bionic/memcpy.S \ + arch-sh/bionic/memset.S \ + arch-sh/bionic/bzero.S \ + arch-sh/bionic/setjmp.S \ + arch-sh/bionic/sigsetjmp.S \ + arch-sh/bionic/syscall.S \ + arch-sh/bionic/memmove.S \ + arch-sh/bionic/__set_tls.c \ + arch-sh/bionic/__get_tls.c \ + arch-sh/bionic/ffs.S \ + string/memcmp.c \ + string/strlen.c \ + bionic/eabi.c \ + bionic/pthread.c \ + bionic/pthread-timers.c \ + bionic/ptrace.c \ + unistd/socketcalls.c +endif # sh + +endif # !x86 endif # !arm # Define some common cflags diff --git a/libc/arch-sh/bionic/__get_pc.S b/libc/arch-sh/bionic/__get_pc.S new file mode 100644 index 0000000..155b387 --- /dev/null +++ b/libc/arch-sh/bionic/__get_pc.S @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.type __get_pc, @function +.globl __get_pc +.align 4 + +__get_pc: + mova 1f, r0 + rts +1: nop + diff --git a/libc/arch-sh/bionic/__get_sp.S b/libc/arch-sh/bionic/__get_sp.S new file mode 100644 index 0000000..0e34a01 --- /dev/null +++ b/libc/arch-sh/bionic/__get_sp.S @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.type __get_sp, @function +.globl __get_sp +.align 4 + +__get_sp: + rts + mov r15, r0 + diff --git a/libc/arch-sh/bionic/__get_tls.c b/libc/arch-sh/bionic/__get_tls.c new file mode 100644 index 0000000..8a5e4ff --- /dev/null +++ b/libc/arch-sh/bionic/__get_tls.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +/* see the implementation of __set_tls and pthread.c to understand this + * code. Basically, the content of fs:[0] always is a pointer to the base + * address of the tls region + */ +void *__get_tls(void) +{ + void *tls; + asm volatile("stc gbr, %0" : "=r"(tls)); + return tls; +} diff --git a/libc/arch-sh/bionic/__set_tls.c b/libc/arch-sh/bionic/__set_tls.c new file mode 100644 index 0000000..7f863de --- /dev/null +++ b/libc/arch-sh/bionic/__set_tls.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <pthread.h> + +/* + * Simply set tls address into GBR. + */ +int __set_tls(void *ptr) +{ + asm volatile("ldc %0, gbr" : /* no output */ : "r" (ptr)); + return 0; +} diff --git a/libc/arch-sh/bionic/_exit_with_stack_teardown.S b/libc/arch-sh/bionic/_exit_with_stack_teardown.S new file mode 100644 index 0000000..6356eb6 --- /dev/null +++ b/libc/arch-sh/bionic/_exit_with_stack_teardown.S @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <asm/unistd.h> + +.text +.type _exit_with_stack_teardown, @function +.globl _exit_with_stack_teardown +.align 4 + +# void _exit_with_stack_teardown(void * stackBase, int stackSize, int retCode) + +_exit_with_stack_teardown: + mov r6, r8 /* save retCode : breaks r8 value */ + mov.l 0f, r3 /* system call number */ + trapa #(2 + 0x10) /* invoke system call with num of args */ + + mov r8, r4 /* restore retCode */ + mov.l 1f, r3 /* system call number */ + trapa #(1 + 0x10) /* invoke system call with num of args */ + + /* exit() should never return, cause a crash if it does */ + mov #0, r0 + mov.l @r0, r0 + + .align 2 +0: .long __NR_munmap +1: .long __NR_exit diff --git a/libc/arch-sh/bionic/_setjmp.S b/libc/arch-sh/bionic/_setjmp.S new file mode 100644 index 0000000..a04fcb6 --- /dev/null +++ b/libc/arch-sh/bionic/_setjmp.S @@ -0,0 +1,125 @@ +/* $OpenBSD: _setjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $ */ +/* $NetBSD: _setjmp.S,v 1.7 2006/01/05 02:04:41 uwe Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * from: @(#)_setjmp.s 5.1 (Berkeley) 4/23/90 + */ + +#include <machine/asm.h> +#include <machine/setjmp.h> + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v)" from the last call to + * _setjmp(a) + * by restoring registers from the stack. + * The previous signal state is NOT restored. + */ + +ENTRY(_setjmp) + xor r0, r0 +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + add #(_JBLEN * 4), r4 + sts fpscr, r1 + mov.l r1, @-r4 + lds r0, fpscr + sts.l fpul, @-r4 + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + frchg + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + lds r1, fpscr +#else + add #((_JBLEN - 10) * 4), r4 +#endif + sts.l mach, @-r4 + sts.l macl, @-r4 + mov.l r15, @-r4 + mov.l r14, @-r4 + mov.l r13, @-r4 + mov.l r12, @-r4 + mov.l r11, @-r4 + mov.l r10, @-r4 + mov.l r9, @-r4 + mov.l r8, @-r4 + sts.l pr, @-r4 + mov.l r0, @-r4 /* dummy signal mask */ + rts + mov.l r0, @-r4 /* no saved signal mask */ + SET_ENTRY_SIZE(_setjmp) + +ENTRY(_longjmp) + add #8, r4 + lds.l @r4+, pr + mov.l @r4+, r8 + mov.l @r4+, r9 + mov.l @r4+, r10 + mov.l @r4+, r11 + mov.l @r4+, r12 + mov.l @r4+, r13 + mov.l @r4+, r14 + mov.l @r4+, r15 + lds.l @r4+, macl + lds.l @r4+, mach +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + xor r0, r0 + lds r0, fpscr + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + lds.l @r4+, fpul + lds.l @r4+, fpscr +#endif + + mov r5, r0 + tst r0, r0 + bf .L0 + add #1, r0 +.L0: + rts + nop + SET_ENTRY_SIZE(_longjmp) diff --git a/libc/arch-sh/bionic/atomic_cmpxchg.S b/libc/arch-sh/bionic/atomic_cmpxchg.S new file mode 100644 index 0000000..4ccd6cf --- /dev/null +++ b/libc/arch-sh/bionic/atomic_cmpxchg.S @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.type __atomic_cmpxchg, @function +.globl __atomic_cmpxchg +.align 4 + +__atomic_cmpxchg: + mova 1f, r0 + nop + mov r15, r1 + mov #-8, r15 /* critical region start */ +0: mov.l @r6, r2 + cmp/eq r2, r4 + bt not_yet_modified + mov #1, r0 + bra done + nop +not_yet_modified: + mov #0, r0 + mov.l r5, @r6 +done: +1: mov r1, r15 /* critical region end */ + rts + nop diff --git a/libc/arch-sh/bionic/atomics_sh.c b/libc/arch-sh/bionic/atomics_sh.c new file mode 100644 index 0000000..16966f7 --- /dev/null +++ b/libc/arch-sh/bionic/atomics_sh.c @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <pthread.h> +#include <linux/futex.h> + +#define SWAP_LOCK_COUNT 32U +static pthread_mutex_t _swap_locks[SWAP_LOCK_COUNT]; + +#define SWAP_LOCK(addr) \ + &_swap_locks[((unsigned)(void *)(addr) >> 3U) % SWAP_LOCK_COUNT] + +#if 0 +/* + * Only this function is moved to atomic_cmpxchg.S, and + * implemented with gUSA framework. + */ +int __atomic_cmpxchg(int old, int _new, volatile int *ptr) +{ + int result; + pthread_mutex_t *lock = SWAP_LOCK(ptr); + + pthread_mutex_lock(lock); + + if (*ptr == old) { + *ptr = _new; + result = 0; + } else { + result = 1; + } + pthread_mutex_unlock(lock); + return result; +} +#else +extern int __atomic_cmpxchg(int old, int _new, volatile int *ptr); +#endif + +int __atomic_swap(int _new, volatile int *ptr) +{ + int oldValue; + do { + oldValue = *ptr; + } while (__atomic_cmpxchg(oldValue, _new, ptr)); + return oldValue; +} + +int __atomic_dec(volatile int *ptr) +{ + int oldValue; + do { + oldValue = *ptr; + } while (__atomic_cmpxchg(oldValue, oldValue-1, ptr)); + return oldValue; +} + +int __atomic_inc(volatile int *ptr) +{ + int32_t oldValue; + do { + oldValue = *ptr; + } while (__atomic_cmpxchg(oldValue, oldValue+1, ptr)); + return oldValue; +} + +extern int futex(volatile void *, int, int, void *, void *, int); + +int __futex_wait(volatile void *ftx, int val, const struct timespec *timeout) +{ + return futex(ftx, FUTEX_WAIT, val, (void *)timeout, NULL, 0); +} + +int __futex_wake(volatile void *ftx, int count) +{ + return futex(ftx, FUTEX_WAKE, count, NULL, NULL, 0); +} diff --git a/libc/arch-sh/bionic/bzero.S b/libc/arch-sh/bionic/bzero.S new file mode 100644 index 0000000..ca8bed4 --- /dev/null +++ b/libc/arch-sh/bionic/bzero.S @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +#define BZERO +#include "memset.S" diff --git a/libc/arch-sh/bionic/clone.S b/libc/arch-sh/bionic/clone.S new file mode 100644 index 0000000..0bbaecb --- /dev/null +++ b/libc/arch-sh/bionic/clone.S @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <sys/linux-syscalls.h> + +.text +.type __pthread_clone, @function +.globl __pthread_clone +.align 4 + +__pthread_clone: + /* insert the args onto the new stack */ + mov r5, r0 + mov.l r4, @-r0 /* func */ + mov.l r7, @-r0 /* arg */ + + /* do the system call */ + mov r6, r4 /* Set clone_flags. new sp is ready in r5. */ + mov.l 0f, r3 + trapa #(4 + 0x10) + + /* check error */ + cmp/pz r0 + bf __error + + /* check if parent or child */ + cmp/pl r0 + bt __return + + /* prepare args for __thread_entry */ + mov #8, r1 + sub r1, r15 /* -8 */ + mov.l @r15+, r5 /* +4 */ /* arg */ + mov.l @r15+, r4 /* +4 */ /* func */ + mov r15, r6 /* tls */ + + /* jump to __thread_entry */ + mov.l 1f, r0 + jmp @r0 + nop + +__error: + mov #-1, r0 +__return: + rts + nop + + .align 2 +0: .long __NR_clone +1: .long __thread_entry diff --git a/libc/arch-sh/bionic/crtbegin_dynamic.S b/libc/arch-sh/bionic/crtbegin_dynamic.S new file mode 100644 index 0000000..dc485dd --- /dev/null +++ b/libc/arch-sh/bionic/crtbegin_dynamic.S @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.align 4 +.type _start,#function +.globl _start + +# this is the small startup code that is first run when +# any executable that is statically-linked with Bionic +# runs. +# +# it's purpose is to call __libc_init with appropriate +# arguments, which are: +# +# - the address of the raw data block setup by the Linux +# kernel ELF loader +# +# - address of an "onexit" function, not used on any +# platform supported by Bionic +# +# - address of the "main" function of the program. We +# can't hard-code it in the adr pseudo instruction +# so we use a tiny trampoline that will get relocated +# by the dynamic linker before this code runs +# +# - address of the constructor list +# +_start: + mov r15, r4 + mov #0, r5 + mov.l 0f, r6 + mova 2f, r0 + mov r0, r7 + mov.l 1f, r0 + jmp @r0 + nop + + .balign 4 +0: .long main +1: .long __libc_init +2: .long __PREINIT_ARRAY__ + .long __INIT_ARRAY__ + .long __FINI_ARRAY__ + .long __CTOR_LIST__ + +# the .ctors section contains a list of pointers to "constructor" +# functions that need to be called in order during C library initialization, +# just before the program is being run. This is a C++ requirement +# +# the last entry shall be 0, and is defined in crtend.S +# + .section .preinit_array, "aw" + .globl __PREINIT_ARRAY__ +__PREINIT_ARRAY__: + .long -1 + + .section .init_array, "aw" + .globl __INIT_ARRAY__ +__INIT_ARRAY__: + .long -1 + + .section .fini_array, "aw" + .globl __FINI_ARRAY__ +__FINI_ARRAY__: + .long -1 + + .section .ctors, "aw" + .globl __CTOR_LIST__ +__CTOR_LIST__: + .long -1 diff --git a/libc/arch-sh/bionic/crtbegin_static.S b/libc/arch-sh/bionic/crtbegin_static.S new file mode 100644 index 0000000..97db1e4 --- /dev/null +++ b/libc/arch-sh/bionic/crtbegin_static.S @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.align 4 +.type _start,#function +.globl _start + +# this is the small startup code that is first run when +# any executable that is statically-linked with Bionic +# runs. +# +# it's purpose is to call __libc_init with appropriate +# arguments, which are: +# +# - the address of the raw data block setup by the Linux +# kernel ELF loader +# +# - address of an "onexit" function, not used on any +# platform supported by Bionic +# +# - address of the "main" function of the program. We +# can't hard-code it in the adr pseudo instruction +# so we use a tiny trampoline that will get relocated +# by the dynamic linker before this code runs +# +# - address of the constructor list +# +_start: + mov r15, r4 + mov #0, r5 + mov.l 0f, r6 + mova 2f, r0 + mov r0, r7 + mov.l 1f, r0 + jmp @r0 + nop + + .balign 4 +0: .long main +1: .long __libc_init +2: .long __PREINIT_ARRAY__ + .long __INIT_ARRAY__ + .long __FINI_ARRAY__ + .long __CTOR_LIST__ + +# the .ctors section contains a list of pointers to "constructor" +# functions that need to be called in order during C library initialization, +# just before the program is being run. This is a C++ requirement +# +# the last entry shall be 0, and is defined in crtend.S +# + .section .preinit_array, "aw" + .globl __PREINIT_ARRAY__ +__PREINIT_ARRAY__: + .long -1 + + .section .init_array, "aw" + .globl __INIT_ARRAY__ +__INIT_ARRAY__: + .long -1 + + .section .fini_array, "aw" + .globl __FINI_ARRAY__ +__FINI_ARRAY__: + .long -1 + + .section .ctors, "aw" + .globl __CTOR_LIST__ +__CTOR_LIST__: + .long -1 + diff --git a/libc/arch-sh/bionic/crtend.S b/libc/arch-sh/bionic/crtend.S new file mode 100644 index 0000000..4ced3aa --- /dev/null +++ b/libc/arch-sh/bionic/crtend.S @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ + + .section .preinit_array, "aw" + .long 0 + + .section .init_array, "aw" + .long 0 + + .section .fini_array, "aw" + .long 0 + + .section .ctors, "aw" + .long 0 diff --git a/libc/arch-sh/bionic/ffs.S b/libc/arch-sh/bionic/ffs.S new file mode 100644 index 0000000..733694b --- /dev/null +++ b/libc/arch-sh/bionic/ffs.S @@ -0,0 +1,103 @@ +/* $NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */ + +/*- + * Copyright (c) 2002 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by ITOH Yasufumi. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <machine/asm.h> + +#if defined(LIBC_SCCS) && !defined(lint) + RCSID("$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $") +#endif + +/* + * ffs - find first bit set + * + * This code makes use of ``test 8bit'' and ``shift 8bit'' instructions. + * The remaining 8bit is tested in every 2bit. + */ + +ENTRY(ffs) + mov r4,r0 ! using r0 specific instructions + tst #0xff,r0 + bf/s L8bit + mov #0+1,r1 ! ret = 1..8 + + tst r0,r0 ! ffs(0) is 0 + bt Lzero ! testing here to accelerate ret=1..8 cases + + shlr8 r0 + tst #0xff,r0 + bf/s L8bit + mov #8+1,r1 ! ret = 9..16 + + shlr8 r0 + tst #0xff,r0 + bf/s L8bit + mov #16+1,r1 ! ret = 17..24 + + shlr8 r0 + mov #24+1,r1 ! ret = 25..32 + +L8bit: + tst #0x0f,r0 + bt 4f + + tst #0x03,r0 + bt 2f + tst #0x01,r0 ! not bit 0 -> T + mov #0,r0 + rts + addc r1,r0 ! 0 + r1 + T -> r0 + +2: tst #0x04,r0 + mov #2,r0 + rts + addc r1,r0 + +4: tst #0x30,r0 + bt 6f + tst #0x10,r0 + mov #4,r0 + rts + addc r1,r0 + +6: tst #0x40,r0 + mov #6,r0 + rts + addc r1,r0 + +Lzero: rts + nop diff --git a/libc/arch-sh/bionic/memcpy.S b/libc/arch-sh/bionic/memcpy.S new file mode 100644 index 0000000..9d1b897 --- /dev/null +++ b/libc/arch-sh/bionic/memcpy.S @@ -0,0 +1,268 @@ +/* $OpenBSD: memcpy.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $ */ +/* $NetBSD: memcpy.S,v 1.2 2006/04/22 23:53:47 uwe Exp $ */ + +/* + * Copyright (c) 2000 SHIMIZU Ryo <ryo@misakimix.org> + * 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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 <machine/asm.h> + +#if !defined(MEMCOPY) && !defined(MEMMOVE) && !defined(BCOPY) +#define MEMCOPY +#endif + +#if defined(MEMCOPY) || defined(MEMMOVE) +#define REG_DST0 r3 +#define REG_SRC r5 +#define REG_DST r4 +#else +#define REG_SRC r4 +#define REG_DST r5 +#endif + +#define REG_LEN r6 + +#if defined(MEMCOPY) +ENTRY(memcpy) +#elif defined(MEMMOVE) +ENTRY(memmove) +#elif defined(BCOPY) +ENTRY(bcopy) +#endif +#ifdef REG_DST0 + mov REG_DST,REG_DST0 +#endif + cmp/eq REG_DST,REG_SRC /* if ( src == dst ) return; */ + bt/s bcopy_return + cmp/hi REG_DST,REG_SRC + bf/s bcopy_overlap + + mov REG_SRC,r0 + xor REG_DST,r0 + and #3,r0 + mov r0,r1 + tst r0,r0 /* (src ^ dst) & 3 */ + bf/s word_align + +longword_align: + tst REG_LEN,REG_LEN /* if ( len==0 ) return; */ + bt/s bcopy_return + + + mov REG_SRC,r0 + tst #1,r0 /* if ( src & 1 ) */ + bt 1f + mov.b @REG_SRC+,r0 /* *dst++ = *src++; */ + add #-1,REG_LEN + mov.b r0,@REG_DST + add #1,REG_DST +1: + + + mov #1,r0 + cmp/hi r0,REG_LEN /* if ( (len > 1) && */ + bf/s 1f + mov REG_SRC,r0 + tst #2,r0 /* (src & 2) { */ + bt 1f + mov.w @REG_SRC+,r0 /* *((unsigned short*)dst)++ = *((unsigned short*)src)++; */ + add #-2,REG_LEN /* len -= 2; */ + mov.w r0,@REG_DST + add #2,REG_DST /* } */ +1: + + + mov #3,r1 + cmp/hi r1,REG_LEN /* while ( len > 3 ) { */ + bf/s no_align_delay + tst REG_LEN,REG_LEN +2: + mov.l @REG_SRC+,r0 /* *((unsigned long*)dst)++ = *((unsigned long*)src)++; */ + add #-4,REG_LEN /* len -= 4; */ + mov.l r0,@REG_DST + cmp/hi r1,REG_LEN + bt/s 2b + add #4,REG_DST /* } */ + + bra no_align_delay + tst REG_LEN,REG_LEN + + +word_align: + mov r1,r0 + tst #1,r0 + bf/s no_align_delay + tst REG_LEN,REG_LEN /* if ( len == 0 ) return; */ + bt bcopy_return + + + mov REG_SRC,r0 /* if ( src & 1 ) */ + tst #1,r0 + bt 1f + mov.b @REG_SRC+,r0 /* *dst++ = *src++; */ + add #-1,REG_LEN + mov.b r0,@REG_DST + add #1,REG_DST +1: + + + mov #1,r1 + cmp/hi r1,REG_LEN /* while ( len > 1 ) { */ + bf/s no_align_delay + tst REG_LEN,REG_LEN +2: + mov.w @REG_SRC+,r0 /* *((unsigned short*)dst)++ = *((unsigned short*)src)++; */ + add #-2,REG_LEN /* len -= 2; */ + mov.w r0,@REG_DST + cmp/hi r1,REG_LEN + bt/s 2b + add #2,REG_DST /* } */ + + +no_align: + tst REG_LEN,REG_LEN /* while ( len!= ) { */ +no_align_delay: + bt bcopy_return +1: + mov.b @REG_SRC+,r0 /* *dst++ = *src++; */ + add #-1,REG_LEN /* len--; */ + mov.b r0,@REG_DST + tst REG_LEN,REG_LEN + bf/s 1b + add #1,REG_DST /* } */ +bcopy_return: + rts +#ifdef REG_DST0 + mov REG_DST0,r0 +#else + nop +#endif + + +bcopy_overlap: + add REG_LEN,REG_SRC + add REG_LEN,REG_DST + + mov REG_SRC,r0 + xor REG_DST,r0 + and #3,r0 + mov r0,r1 + tst r0,r0 /* (src ^ dst) & 3 */ + bf/s ov_word_align + +ov_longword_align: + tst REG_LEN,REG_LEN /* if ( len==0 ) return; */ + bt/s bcopy_return + + + mov REG_SRC,r0 + tst #1,r0 /* if ( src & 1 ) */ + bt 1f + add #-1,REG_SRC /* *--dst = *--src; */ + mov.b @REG_SRC,r0 + mov.b r0,@-REG_DST + add #-1,REG_LEN +1: + + + mov #1,r0 + cmp/hi r0,REG_LEN /* if ( (len > 1) && */ + bf/s 1f + mov REG_SRC,r0 + tst #2,r0 /* (src & 2) { */ + bt 1f + add #-2,REG_SRC /* *--((unsigned short*)dst) = *--((unsigned short*)src); */ + mov.w @REG_SRC,r0 + add #-2,REG_LEN /* len -= 2; */ + mov.w r0,@-REG_DST /* } */ +1: + + + mov #3,r1 + cmp/hi r1,REG_LEN /* while ( len > 3 ) { */ + bf/s ov_no_align_delay + tst REG_LEN,REG_LEN +2: + add #-4,REG_SRC + mov.l @REG_SRC,r0 /* *((unsigned long*)dst)++ = *((unsigned long*)src)++; */ + add #-4,REG_LEN /* len -= 4; */ + cmp/hi r1,REG_LEN + bt/s 2b + mov.l r0,@-REG_DST /* } */ + + bra ov_no_align_delay + tst REG_LEN,REG_LEN + + +ov_word_align: + mov r1,r0 + tst #1,r0 + bf/s ov_no_align_delay + tst REG_LEN,REG_LEN /* if ( len == 0 ) return; */ + bt bcopy_return + + + mov REG_SRC,r0 /* if ( src & 1 ) */ + tst #1,r0 + bt 1f + add #-1,REG_SRC + mov.b @REG_SRC,r0 /* *--dst = *--src; */ + add #-1,REG_LEN + mov.b r0,@-REG_DST +1: + + + mov #1,r1 + cmp/hi r1,REG_LEN /* while ( len > 1 ) { */ + bf/s ov_no_align_delay + tst REG_LEN,REG_LEN +2: + add #-2,REG_SRC + mov.w @REG_SRC,r0 /* *--((unsigned short*)dst) = *--((unsigned short*)src); */ + add #-2,REG_LEN /* len -= 2; */ + cmp/hi r1,REG_LEN + bt/s 2b + mov.w r0,@-REG_DST /* } */ + + +ov_no_align: + tst REG_LEN,REG_LEN /* while ( len!= ) { */ +ov_no_align_delay: + bt 9f +1: + add #-1,REG_SRC + mov.b @REG_SRC,r0 /* *--dst = *--src; */ + add #-1,REG_LEN /* len--; */ + tst REG_LEN,REG_LEN + bf/s 1b + mov.b r0,@-REG_DST /* } */ +9: + rts +#ifdef REG_DST0 + mov REG_DST0,r0 +#else + nop +#endif diff --git a/libc/arch-sh/bionic/memmove.S b/libc/arch-sh/bionic/memmove.S new file mode 100644 index 0000000..023fc10 --- /dev/null +++ b/libc/arch-sh/bionic/memmove.S @@ -0,0 +1,5 @@ +/* $OpenBSD: memmove.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $ */ +/* $NetBSD: memmove.S,v 1.2 2006/04/22 23:53:47 uwe Exp $ */ + +#define MEMMOVE +#include "memcpy.S" diff --git a/libc/arch-sh/bionic/memset.S b/libc/arch-sh/bionic/memset.S new file mode 100644 index 0000000..73b0d06 --- /dev/null +++ b/libc/arch-sh/bionic/memset.S @@ -0,0 +1,295 @@ +/* $OpenBSD: memset.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $ */ +/* $NetBSD: memset.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */ + +/*- + * Copyright (c) 2002 SHIMIZU Ryo. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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 <machine/asm.h> + +#define REG_PTR r0 +#define REG_TMP1 r1 + +#ifdef BZERO +# define REG_C r2 +# define REG_DST r4 +# define REG_LEN r5 +#else +# define REG_DST0 r3 +# define REG_DST r4 +# define REG_C r5 +# define REG_LEN r6 +#endif + +#ifdef BZERO +ENTRY(bzero) +#else +ENTRY(memset) + mov REG_DST,REG_DST0 /* for return value */ +#endif + /* small amount to fill ? */ + mov #28,REG_TMP1 + cmp/hs REG_TMP1,REG_LEN /* if (len >= 28) goto large; */ + bt/s large + mov #12,REG_TMP1 /* if (len >= 12) goto small; */ + cmp/hs REG_TMP1,REG_LEN + bt/s small +#ifdef BZERO + mov #0,REG_C +#endif + /* very little fill (0 ~ 11 bytes) */ + tst REG_LEN,REG_LEN + add REG_DST,REG_LEN + bt/s done + add #1,REG_DST + + /* unroll 4 loops */ + cmp/eq REG_DST,REG_LEN +1: mov.b REG_C,@-REG_LEN + bt/s done + cmp/eq REG_DST,REG_LEN + mov.b REG_C,@-REG_LEN + bt/s done + cmp/eq REG_DST,REG_LEN + mov.b REG_C,@-REG_LEN + bt/s done + cmp/eq REG_DST,REG_LEN + mov.b REG_C,@-REG_LEN + bf/s 1b + cmp/eq REG_DST,REG_LEN +done: +#ifdef BZERO + rts + nop +#else + rts + mov REG_DST0,r0 +#endif + + +small: + mov REG_DST,r0 + tst #1,r0 + bt/s small_aligned + mov REG_DST,REG_TMP1 + shll REG_LEN + mova 1f,r0 /* 1f must be 4bytes aligned! */ + add #16,REG_TMP1 /* REG_TMP1 = dst+16; */ + sub REG_LEN,r0 + jmp @r0 + mov REG_C,r0 + + .align 2 + mov.b r0,@(15,REG_TMP1) + mov.b r0,@(14,REG_TMP1) + mov.b r0,@(13,REG_TMP1) + mov.b r0,@(12,REG_TMP1) + mov.b r0,@(11,REG_TMP1) + mov.b r0,@(10,REG_TMP1) + mov.b r0,@(9,REG_TMP1) + mov.b r0,@(8,REG_TMP1) + mov.b r0,@(7,REG_TMP1) + mov.b r0,@(6,REG_TMP1) + mov.b r0,@(5,REG_TMP1) + mov.b r0,@(4,REG_TMP1) + mov.b r0,@(3,REG_TMP1) + mov.b r0,@(2,REG_TMP1) + mov.b r0,@(1,REG_TMP1) + mov.b r0,@REG_TMP1 + mov.b r0,@(15,REG_DST) + mov.b r0,@(14,REG_DST) + mov.b r0,@(13,REG_DST) + mov.b r0,@(12,REG_DST) + mov.b r0,@(11,REG_DST) + mov.b r0,@(10,REG_DST) + mov.b r0,@(9,REG_DST) + mov.b r0,@(8,REG_DST) + mov.b r0,@(7,REG_DST) + mov.b r0,@(6,REG_DST) + mov.b r0,@(5,REG_DST) + mov.b r0,@(4,REG_DST) + mov.b r0,@(3,REG_DST) + mov.b r0,@(2,REG_DST) + mov.b r0,@(1,REG_DST) +#ifdef BZERO + rts +1: mov.b r0,@REG_DST +#else + mov.b r0,@REG_DST +1: rts + mov REG_DST0,r0 +#endif + + +/* 2 bytes aligned small fill */ +small_aligned: +#ifndef BZERO + extu.b REG_C,REG_TMP1 /* REG_C = ??????xx, REG_TMP1 = ????00xx */ + shll8 REG_C /* REG_C = ????xx00, REG_TMP1 = ????00xx */ + or REG_TMP1,REG_C /* REG_C = ????xxxx */ +#endif + + mov REG_LEN,r0 + tst #1,r0 /* len is aligned? */ + bt/s 1f + add #-1,r0 + mov.b REG_C,@(r0,REG_DST) /* fill last a byte */ + mov r0,REG_LEN +1: + + mova 1f,r0 /* 1f must be 4bytes aligned! */ + sub REG_LEN,r0 + jmp @r0 + mov REG_C,r0 + + .align 2 + mov.w r0,@(30,REG_DST) + mov.w r0,@(28,REG_DST) + mov.w r0,@(26,REG_DST) + mov.w r0,@(24,REG_DST) + mov.w r0,@(22,REG_DST) + mov.w r0,@(20,REG_DST) + mov.w r0,@(18,REG_DST) + mov.w r0,@(16,REG_DST) + mov.w r0,@(14,REG_DST) + mov.w r0,@(12,REG_DST) + mov.w r0,@(10,REG_DST) + mov.w r0,@(8,REG_DST) + mov.w r0,@(6,REG_DST) + mov.w r0,@(4,REG_DST) + mov.w r0,@(2,REG_DST) +#ifdef BZERO + rts +1: mov.w r0,@REG_DST +#else + mov.w r0,@REG_DST +1: rts + mov REG_DST0,r0 +#endif + + + + .align 2 +large: +#ifdef BZERO + mov #0,REG_C +#else + extu.b REG_C,REG_TMP1 /* REG_C = ??????xx, REG_TMP1 = ????00xx */ + shll8 REG_C /* REG_C = ????xx00, REG_TMP1 = ????00xx */ + or REG_C,REG_TMP1 /* REG_C = ????xx00, REG_TMP1 = ????xxxx */ + swap.w REG_TMP1,REG_C /* REG_C = xxxx????, REG_TMP1 = ????xxxx */ + xtrct REG_TMP1,REG_C /* REG_C = xxxxxxxx */ +#endif + + mov #3,REG_TMP1 + tst REG_TMP1,REG_DST + mov REG_DST,REG_PTR + bf/s unaligned_dst + add REG_LEN,REG_PTR /* REG_PTR = dst + len; */ + tst REG_TMP1,REG_LEN + bf/s unaligned_len + +aligned: + /* fill 32*n bytes */ + mov #32,REG_TMP1 + cmp/hi REG_LEN,REG_TMP1 + bt 9f + .align 2 +1: sub REG_TMP1,REG_PTR + mov.l REG_C,@REG_PTR + sub REG_TMP1,REG_LEN + mov.l REG_C,@(4,REG_PTR) + cmp/hi REG_LEN,REG_TMP1 + mov.l REG_C,@(8,REG_PTR) + mov.l REG_C,@(12,REG_PTR) + mov.l REG_C,@(16,REG_PTR) + mov.l REG_C,@(20,REG_PTR) + mov.l REG_C,@(24,REG_PTR) + bf/s 1b + mov.l REG_C,@(28,REG_PTR) +9: + + /* fill left 4*n bytes */ + cmp/eq REG_DST,REG_PTR + bt 9f + add #4,REG_DST + cmp/eq REG_DST,REG_PTR +1: mov.l REG_C,@-REG_PTR + bt/s 9f + cmp/eq REG_DST,REG_PTR + mov.l REG_C,@-REG_PTR + bt/s 9f + cmp/eq REG_DST,REG_PTR + mov.l REG_C,@-REG_PTR + bt/s 9f + cmp/eq REG_DST,REG_PTR + mov.l REG_C,@-REG_PTR + bf/s 1b + cmp/eq REG_DST,REG_PTR +9: +#ifdef BZERO + rts + nop +#else + rts + mov REG_DST0,r0 +#endif + + +unaligned_dst: + mov #1,REG_TMP1 + tst REG_TMP1,REG_DST /* if (dst & 1) { */ + add #1,REG_TMP1 + bt/s 2f + tst REG_TMP1,REG_DST + mov.b REG_C,@REG_DST /* *dst++ = c; */ + add #1,REG_DST + tst REG_TMP1,REG_DST +2: /* } */ + /* if (dst & 2) { */ + bt 4f + mov.w REG_C,@REG_DST /* *(u_int16_t*)dst++ = c; */ + add #2,REG_DST +4: /* } */ + + + tst #3,REG_PTR /* if (ptr & 3) { */ + bt/s 4f /* */ +unaligned_len: + tst #1,REG_PTR /* if (ptr & 1) { */ + bt/s 2f + tst #2,REG_PTR + mov.b REG_C,@-REG_PTR /* --ptr = c; */ +2: /* } */ + /* if (ptr & 2) { */ + bt 4f + mov.w REG_C,@-REG_PTR /* *--(u_int16_t*)ptr = c; */ +4: /* } */ + /* } */ + + mov REG_PTR,REG_LEN + bra aligned + sub REG_DST,REG_LEN + diff --git a/libc/arch-sh/bionic/pipe.S b/libc/arch-sh/bionic/pipe.S new file mode 100644 index 0000000..936da2d --- /dev/null +++ b/libc/arch-sh/bionic/pipe.S @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <sys/linux-syscalls.h> + +.text +.type pipe, @function +.globl pipe +.align 4 + +pipe: + /* invoke trap */ + mov.l 0f, r3 /* trap num */ + trapa #(0 + 0x10) + + + /* check return value */ + cmp/pz r0 + bt setfds + + /* keep error number */ + sts.l pr, @-r15 + mov.l 1f, r1 + jsr @r1 + mov r0, r4 + lds.l @r15+, pr + bra end + nop +setfds: + mov.l r0, @r4 + add #4, r4 + mov.l r1, @r4 +end: + rts + nop + + .align 2 +0: .long __NR_pipe +1: .long __set_syscall_errno diff --git a/libc/arch-sh/bionic/setjmp.S b/libc/arch-sh/bionic/setjmp.S new file mode 100644 index 0000000..67f3397 --- /dev/null +++ b/libc/arch-sh/bionic/setjmp.S @@ -0,0 +1,167 @@ +/* $OpenBSD: setjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $ */ +/* $NetBSD: setjmp.S,v 1.10 2006/01/05 19:21:37 uwe Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90 + */ + +#include <machine/asm.h> +#include <machine/setjmp.h> + +/* + * C library -- setjmp, longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from the last call to + * setjmp(a) + * by restoring registers from the stack. + * The previous signal state is restored. + */ + +ENTRY(setjmp) + PIC_PROLOGUE(.L_got_1) + sts.l pr, @-sp + mov.l r4, @-sp + + mov.l .L_sigprocmask_1, r0 + mov r4, r6 + mov #1, r4 /* how = SIG_BLOCK */ + mov #0, r5 /* new = NULL */ +1: CALL r0 + add #4, r6 /* old = &sigmask */ + + mov.l @sp+, r4 + lds.l @sp+, pr + PIC_EPILOGUE + + /* identical to _setjmp except that the first word is non-zero */ +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + add #(_JBLEN * 4), r4 + sts fpscr, r1 + xor r0, r0 + mov.l r1, @-r4 + lds r0, fpscr + sts.l fpul, @-r4 + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + frchg + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + lds r1, fpscr +#else + add #((_JBLEN - 10) * 4), r4 +#endif + sts.l mach, @-r4 + sts.l macl, @-r4 + mov.l r15, @-r4 + mov.l r14, @-r4 + mov.l r13, @-r4 + mov.l r12, @-r4 + mov.l r11, @-r4 + mov.l r10, @-r4 + mov.l r9, @-r4 + mov.l r8, @-r4 + sts.l pr, @-r4 + add #-4, r4 /* skip signal mask */ + mov #1, r0 + mov.l r0, @-r4 /* has signal mask */ + rts + xor r0, r0 + + .align 2 +.L_got_1: PIC_GOT_DATUM +.L_sigprocmask_1: CALL_DATUM(_C_LABEL(sigprocmask), 1b) + SET_ENTRY_SIZE(setjmp) + +ENTRY(longjmp) + /* we won't return here, so we don't need to save pr and r12 */ + PIC_PROLOGUE_NOSAVE(.L_got_2) + mov.l r5, @-sp + mov.l r4, @-sp + + mov.l .L_sigprocmask_2, r0 + mov r4, r5 + mov #3, r4 /* how = SIG_SETMASK */ + add #4, r5 /* new = &sigmask */ +1: CALL r0 + mov #0, r6 /* old = NULL */ + + mov.l @sp+, r4 + mov.l @sp+, r5 + + /* identical to _longjmp */ + add #8, r4 + lds.l @r4+, pr + mov.l @r4+, r8 + mov.l @r4+, r9 + mov.l @r4+, r10 + mov.l @r4+, r11 + mov.l @r4+, r12 + mov.l @r4+, r13 + mov.l @r4+, r14 + mov.l @r4+, r15 + lds.l @r4+, macl + lds.l @r4+, mach +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + xor r0, r0 + lds r0, fpscr + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + lds.l @r4+, fpul + lds.l @r4+, fpscr +#endif + + mov r5, r0 + tst r0, r0 /* make sure return value is non-zero */ + bf .L0 + add #1, r0 +.L0: + rts + nop + + .align 2 +.L_got_2: PIC_GOT_DATUM +.L_sigprocmask_2: CALL_DATUM(_C_LABEL(sigprocmask), 1b) + SET_ENTRY_SIZE(longjmp) diff --git a/libc/arch-sh/bionic/sigsetjmp.S b/libc/arch-sh/bionic/sigsetjmp.S new file mode 100644 index 0000000..f88913a --- /dev/null +++ b/libc/arch-sh/bionic/sigsetjmp.S @@ -0,0 +1,166 @@ +/* $OpenBSD: sigsetjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $ */ +/* $NetBSD: sigsetjmp.S,v 1.9 2006/01/05 19:21:37 uwe Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90 + */ + +#include <machine/asm.h> +#include <machine/setjmp.h> + +ENTRY(sigsetjmp) + tst r5, r5 /* if (savemask == 0) */ + bt 2f + + /* identical to setjmp */ + PIC_PROLOGUE(.L_got_1) + sts.l pr, @-sp + mov.l r4, @-sp + mov.l r5, @-sp + + mov.l .L_sigprocmask_1, r0 + mov r4, r6 + mov #1, r4 /* how = SIG_BLOCK */ + mov #0, r5 /* new = NULL */ +1: CALL r0 + add #4, r6 /* old = &sigmask */ + + mov.l @sp+, r5 + mov.l @sp+, r4 + lds.l @sp+, pr + PIC_EPILOGUE + +2: /* identical to _setjmp except that first word is in r5 */ +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + add #(_JBLEN * 4), r4 + sts fpscr, r1 + xor r0, r0 + mov.l r1, @-r4 + lds r0, fpscr + sts.l fpul, @-r4 + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + frchg + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + lds r1, fpscr +#else + add #((_JBLEN - 10) * 4), r4 +#endif + sts.l mach, @-r4 + sts.l macl, @-r4 + mov.l r15, @-r4 + mov.l r14, @-r4 + mov.l r13, @-r4 + mov.l r12, @-r4 + mov.l r11, @-r4 + mov.l r10, @-r4 + mov.l r9, @-r4 + mov.l r8, @-r4 + sts.l pr, @-r4 + add #-4, r4 /* skip signal mask */ + mov.l r5, @-r4 /* has signal mask? */ + rts + xor r0, r0 + + .align 2 +.L_got_1: PIC_GOT_DATUM +.L_sigprocmask_1: CALL_DATUM(_C_LABEL(sigprocmask), 1b) + SET_ENTRY_SIZE(sigsetjmp) + +ENTRY(siglongjmp) + mov.l @r4+, r0 + tst r0, r0 + bt 2f /* if no mask */ + + /* identical to longjmp */ + /* we won't return here, so we don't need to save pr and r12 */ + PIC_PROLOGUE_NOSAVE(.L_got_2) + mov.l r5, @-sp + mov.l r4, @-sp + + mov.l .L_sigprocmask_2, r0 + mov r4, r5 /* new = &sigmask */ + mov #3, r4 /* how = SIG_SETMASK */ +1: CALL r0 + mov #0, r6 /* old = NULL */ + + mov.l @sp+, r4 + mov.l @sp+, r5 + +2: /* identical to _longjmp */ + add #4, r4 + lds.l @r4+, pr + mov.l @r4+, r8 + mov.l @r4+, r9 + mov.l @r4+, r10 + mov.l @r4+, r11 + mov.l @r4+, r12 + mov.l @r4+, r13 + mov.l @r4+, r14 + mov.l @r4+, r15 + lds.l @r4+, macl + lds.l @r4+, mach +#if defined(__SH4__) && !defined(__SH4_NOFPU__) + xor r0, r0 + lds r0, fpscr + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + frchg + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + fmov.s @r4+, fr15 + lds.l @r4+, fpul + lds.l @r4+, fpscr +#endif + + mov r5, r0 + tst r0, r0 /* make sure return value is non-zero */ + bf .L0 + add #1, r0 +.L0: + rts + nop + + .align 2 +.L_got_2: PIC_GOT_DATUM +.L_sigprocmask_2: CALL_DATUM(_C_LABEL(sigprocmask), 1b) + SET_ENTRY_SIZE(siglongjmp) diff --git a/libc/arch-sh/bionic/syscall.S b/libc/arch-sh/bionic/syscall.S new file mode 100644 index 0000000..7e9f307 --- /dev/null +++ b/libc/arch-sh/bionic/syscall.S @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <sys/linux-syscalls.h> + +.text +.type syscall, @function +.globl syscall +.align 4 + +/* + * Current implementation assumes that the all syscall + * has maximum 7 arguments. + */ +syscall: + /* get args */ + mov r4, r3 /* system call number */ + mov r5, r4 + mov r6, r5 + mov r7, r6 + mov.l @r15, r7 + mov.l @(4, r15), r0 + mov.l @(8, r15), r1 + mov.l @(12, r15), r2 + + /* invoke trap */ + trapa #(7 + 0x10) /* assuming 7 arguments */ + + /* check return value */ + cmp/pz r0 + bt end + + /* keep error number */ + mov.l r0, @-r15 + mov.l 0f, r1 + jsr @r1 + mov r0, r4 + mov.l @r15+, r0 + +end: + rts + nop + + .align 2 +0: .long __set_errno diff --git a/libc/arch-sh/bionic/unwind.c b/libc/arch-sh/bionic/unwind.c new file mode 100644 index 0000000..33ec58c --- /dev/null +++ b/libc/arch-sh/bionic/unwind.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ + +typedef long unsigned int *_Unwind_Ptr; + diff --git a/libc/arch-sh/include/endian.h b/libc/arch-sh/include/endian.h new file mode 100644 index 0000000..ad10164 --- /dev/null +++ b/libc/arch-sh/include/endian.h @@ -0,0 +1,39 @@ +/* $OpenBSD: endian.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $ */ +/* $NetBSD: endian.h,v 1.4 2000/03/17 00:09:25 mycroft Exp $ */ + +/* Written by Manuel Bouyer. Public domain */ + +#ifndef _SH_ENDIAN_H_ +#define _SH_ENDIAN_H_ + +#ifdef __GNUC__ + +#define __swap64md __swap64gen + +#define __swap16md(x) ({ \ + uint16_t rval; \ + \ + __asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x)); \ + \ + rval; \ +}) + +#define __swap32md(x) ({ \ + uint32_t rval; \ + \ + __asm volatile ("swap.b %1,%0; swap.w %0,%0; swap.b %0,%0" \ + : "=r"(rval) : "r"(x)); \ + \ + rval; \ +}) + +#define MD_SWAP + +#endif /* __GNUC_ */ + +#define _BYTE_ORDER _LITTLE_ENDIAN +#include <sys/endian.h> + +#define __STRICT_ALIGNMENT + +#endif /* !_SH_ENDIAN_H_ */ diff --git a/libc/arch-sh/include/machine/_types.h b/libc/arch-sh/include/machine/_types.h new file mode 100644 index 0000000..6f59e21 --- /dev/null +++ b/libc/arch-sh/include/machine/_types.h @@ -0,0 +1,126 @@ +/* $OpenBSD: _types.h,v 1.6 2008/07/21 20:50:55 martynas Exp $ */ + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)types.h 8.3 (Berkeley) 1/5/94 + * @(#)ansi.h 8.2 (Berkeley) 1/4/94 + */ + +#ifndef _SH__TYPES_H_ +#define _SH__TYPES_H_ + +#if defined(_KERNEL) +typedef struct label_t { + int val[9]; +} label_t; +#endif + +/* 7.18.1.1 Exact-width integer types */ +typedef __signed char __int8_t; +typedef unsigned char __uint8_t; +typedef short __int16_t; +typedef unsigned short __uint16_t; +typedef int __int32_t; +typedef unsigned int __uint32_t; +/* LONGLONG */ +typedef long long __int64_t; +/* LONGLONG */ +typedef unsigned long long __uint64_t; + +/* 7.18.1.2 Minimum-width integer types */ +typedef __int8_t __int_least8_t; +typedef __uint8_t __uint_least8_t; +typedef __int16_t __int_least16_t; +typedef __uint16_t __uint_least16_t; +typedef __int32_t __int_least32_t; +typedef __uint32_t __uint_least32_t; +typedef __int64_t __int_least64_t; +typedef __uint64_t __uint_least64_t; + +/* 7.18.1.3 Fastest minimum-width integer types */ +typedef __int32_t __int_fast8_t; +typedef __uint32_t __uint_fast8_t; +typedef __int32_t __int_fast16_t; +typedef __uint32_t __uint_fast16_t; +typedef __int32_t __int_fast32_t; +typedef __uint32_t __uint_fast32_t; +typedef __int64_t __int_fast64_t; +typedef __uint64_t __uint_fast64_t; + +/* 7.18.1.4 Integer types capable of holding object pointers */ +typedef long __intptr_t; +typedef unsigned long __uintptr_t; + +/* 7.18.1.5 Greatest-width integer types */ +typedef __int64_t __intmax_t; +typedef __uint64_t __uintmax_t; + +/* Register size */ +typedef __uint32_t __register_t; + +/* VM system types */ +typedef unsigned long __vaddr_t; +typedef unsigned long __paddr_t; +typedef unsigned long __vsize_t; +typedef unsigned long __psize_t; + +/* Standard system types */ +typedef int __clock_t; +typedef int __clockid_t; +typedef double __double_t; +typedef float __float_t; +typedef long long __off_t; +typedef long __ptrdiff_t; +#if 0 +/* cut it off for Android-SH */ +typedef unsigned long __size_t; +#endif +typedef long __ssize_t; +typedef int __time_t; +typedef int __timer_t; +#if defined(__GNUC__) && __GNUC__ >= 3 +typedef __builtin_va_list __va_list; +#else +struct __va_list_tag; +typedef struct __va_list_tag * __va_list; +#endif + +/* Wide character support types */ +#ifndef __cplusplus +typedef int __wchar_t; +#endif +typedef int __wint_t; +typedef int __rune_t; +typedef void * __wctrans_t; +typedef void * __wctype_t; + +/* Feature test macros */ +#define __HAVE_GENERIC_SOFT_INTERRUPTS + +#endif /* _SH__TYPES_H_ */ diff --git a/libc/arch-sh/include/machine/asm.h b/libc/arch-sh/include/machine/asm.h new file mode 100644 index 0000000..c659a9d --- /dev/null +++ b/libc/arch-sh/include/machine/asm.h @@ -0,0 +1,217 @@ +/* $OpenBSD: asm.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $ */ +/* $NetBSD: asm.h,v 1.25 2006/01/20 22:02:40 christos Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)asm.h 5.5 (Berkeley) 5/7/91 + */ + +#ifndef _SH_ASM_H_ +#define _SH_ASM_H_ + +#ifdef __ELF__ +# define _C_LABEL(x) x +#else +#ifdef __STDC__ +# define _C_LABEL(x) _ ## x +#else +# define _C_LABEL(x) _/**/x +#endif +#endif +#define _ASM_LABEL(x) x + +#ifdef __STDC__ +# define __CONCAT(x,y) x ## y +# define __STRING(x) #x +#else +# define __CONCAT(x,y) x/**/y +# define __STRING(x) "x" +#endif + +/* let kernels and others override entrypoint alignment */ +#ifndef _ALIGN_TEXT +# define _ALIGN_TEXT .align 2 +#endif + +#ifdef __ELF__ +#define _ENTRY(x) \ + .text ;\ + _ALIGN_TEXT ;\ + .globl x ;\ + .type x,@function ;\ + x: +#else /* !__ELF__ */ +#define _ENTRY(x) \ + .text ;\ + _ALIGN_TEXT ;\ + .globl x ;\ + x: +#endif /* !__ELF__ */ + +#ifdef GPROF +#define _PROF_PROLOGUE \ + mov.l 1f,r1 ; \ + mova 2f,r0 ; \ + jmp @r1 ; \ + nop ; \ + .align 2 ; \ +1: .long __mcount ; \ +2: +#else /* !GPROF */ +#define _PROF_PROLOGUE +#endif /* !GPROF */ + +#define ENTRY(y) _ENTRY(_C_LABEL(y)) _PROF_PROLOGUE +#define NENTRY(y) _ENTRY(_C_LABEL(y)) +#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)) _PROF_PROLOGUE + +#define SET_ENTRY_SIZE(y) \ + .size _C_LABEL(y), . - _C_LABEL(y) + +#define SET_ASENTRY_SIZE(y) \ + .size _ASM_LABEL(y), . - _ASM_LABEL(y) + +#ifdef __ELF__ +#define ALTENTRY(name) \ + .globl _C_LABEL(name) ;\ + .type _C_LABEL(name),@function ;\ + _C_LABEL(name): +#else +#define ALTENTRY(name) \ + .globl _C_LABEL(name) ;\ + _C_LABEL(name): +#endif + + +/* + * Hide the gory details of PIC calls vs. normal calls. Use as in the + * following example: + * + * sts.l pr, @-sp + * PIC_PROLOGUE(.L_got, r0) ! saves old r12 on stack + * ... + * mov.l .L_function_1, r0 + * 1: CALL r0 ! each call site needs a label + * nop + * ... + * mov.l .L_function_2, r0 + * 2: CALL r0 + * nop + * ... + * PIC_EPILOGUE ! restores r12 from stack + * lds.l @sp+, pr ! so call in right order + * rts + * nop + * + * .align 2 + * .L_got: + * PIC_GOT_DATUM + * .L_function_1: ! if you call the same function twice + * CALL_DATUM(function, 1b) ! provide call datum for each call + * .L_function_2: + * CALL_DATUM(function, 2b) + */ + +#ifdef PIC + +#define PIC_PLT(x) x@PLT +#define PIC_GOT(x) x@GOT +#define PIC_GOTOFF(x) x@GOTOFF + +#define PIC_PROLOGUE(got) \ + mov.l r12, @-sp; \ + PIC_PROLOGUE_NOSAVE(got) + +/* + * Functions that do non local jumps don't need to preserve r12, + * so we can shave off two instructions to save/restore it. + */ +#define PIC_PROLOGUE_NOSAVE(got) \ + mov.l got, r12; \ + mova got, r0; \ + add r0, r12 + +#define PIC_EPILOGUE \ + mov.l @sp+, r12 + +#define PIC_EPILOGUE_SLOT \ + PIC_EPILOGUE + +#define PIC_GOT_DATUM \ + .long _GLOBAL_OFFSET_TABLE_ + +#define CALL bsrf +#define JUMP braf + +#define CALL_DATUM(function, lpcs) \ + .long PIC_PLT(function) - ((lpcs) + 4 - (.)) + +/* + * This will result in text relocations in the shared library, + * unless the function is local or has hidden or protected visibility. + * Does not require PIC prologue. + */ +#define CALL_DATUM_LOCAL(function, lpcs) \ + .long function - ((lpcs) + 4) + +#else /* !PIC */ + +#define PIC_PROLOGUE(label) +#define PIC_PROLOGUE_NOSAVE(label) +#define PIC_EPILOGUE +#define PIC_EPILOGUE_SLOT nop +#define PIC_GOT_DATUM + +#define CALL jsr @ +#define JUMP jmp @ + +#define CALL_DATUM(function, lpcs) \ + .long function + +#define CALL_DATUM_LOCAL(function, lpcs) \ + .long function + +#endif /* !PIC */ + + +#define ASMSTR .asciz + +#ifdef __ELF__ +#define WEAK_ALIAS(alias,sym) \ + .weak _C_LABEL(alias); \ + _C_LABEL(alias) = _C_LABEL(sym) +#endif + +#define WARN_REFERENCES(_sym,_msg) \ + .section .gnu.warning._sym; .ascii _msg; .previous + +#endif /* !_SH_ASM_H_ */ diff --git a/libc/arch-sh/include/machine/exec.h b/libc/arch-sh/include/machine/exec.h new file mode 100644 index 0000000..48a9680 --- /dev/null +++ b/libc/arch-sh/include/machine/exec.h @@ -0,0 +1,35 @@ +/* $OpenBSD: exec.h,v 1.2 2006/11/10 20:34:06 drahn Exp $ */ +/* $NetBSD: elf_machdep.h,v 1.8 2002/04/28 17:10:34 uch Exp $ */ + +#define __LDPGSZ 4096 + +#define NATIVE_EXEC_ELF + +#define ARCH_ELFSIZE 32 /* MD native binary size */ +#define ELF_TARG_CLASS ELFCLASS32 +#ifdef __LITTLE_ENDIAN__ +#define ELF_TARG_DATA ELFDATA2LSB +#else +#define ELF_TARG_DATA ELFDATA2MSB +#endif +#define ELF_TARG_MACH EM_SH + +#define _KERN_DO_ELF +#define _NLIST_DO_ELF + +/* + * SuperH ELF header flags. + */ +#define EF_SH_MACH_MASK 0x1f + +#define EF_SH_UNKNOWN 0x00 +#define EF_SH_SH1 0x01 +#define EF_SH_SH2 0x02 +#define EF_SH_SH3 0x03 +#define EF_SH_DSP 0x04 +#define EF_SH_SH3_DSP 0x05 +#define EF_SH_SH3E 0x08 +#define EF_SH_SH4 0x09 + +#define EF_SH_HAS_DSP(x) ((x) & EF_SH_DSP) +#define EF_SH_HAS_FP(x) ((x) & EF_SH_SH3E) diff --git a/libc/arch-sh/include/machine/ieee.h b/libc/arch-sh/include/machine/ieee.h new file mode 100644 index 0000000..7646f85 --- /dev/null +++ b/libc/arch-sh/include/machine/ieee.h @@ -0,0 +1,132 @@ +/* $OpenBSD: ieee.h,v 1.2 2006/11/10 20:29:36 otto Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)ieee.h 8.1 (Berkeley) 6/11/93 + */ + +/* + * ieee.h defines the machine-dependent layout of the machine's IEEE + * floating point. It does *not* define (yet?) any of the rounding + * mode bits, exceptions, and so forth. + */ + +/* + * Define the number of bits in each fraction and exponent. + * + * k k+1 + * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented + * + * (-exp_bias+1) + * as fractions that look like 0.fffff x 2 . This means that + * + * -126 + * the number 0.10000 x 2 , for instance, is the same as the normalized + * + * -127 -128 + * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero + * + * -129 + * in the fraction; to represent 2 , we need two, and so on. This + * + * (-exp_bias-fracbits+1) + * implies that the smallest denormalized number is 2 + * + * for whichever format we are talking about: for single precision, for + * + * -126 -149 + * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and + * + * -149 == -127 - 23 + 1. + */ +#define SNG_EXPBITS 8 +#define SNG_FRACBITS 23 + +#define DBL_EXPBITS 11 +#define DBL_FRACBITS 52 + +#define EXT_EXPBITS 15 +#define EXT_FRACBITS 112 + +struct ieee_single { + u_int sng_frac:23; + u_int sng_exp:8; + u_int sng_sign:1; +}; + +struct ieee_double { + u_int dbl_fracl; + u_int dbl_frach:20; + u_int dbl_exp:11; + u_int dbl_sign:1; +}; + +struct ieee_ext { + u_int ext_sign:1; + u_int ext_exp:15; + u_int ext_frach:16; + u_int ext_frachm; + u_int ext_fraclm; + u_int ext_fracl; +}; + +/* + * Floats whose exponent is in [1..INFNAN) (of whatever type) are + * `normal'. Floats whose exponent is INFNAN are either Inf or NaN. + * Floats whose exponent is zero are either zero (iff all fraction + * bits are zero) or subnormal values. + * + * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its + * high fraction; if the bit is set, it is a `quiet NaN'. + */ +#define SNG_EXP_INFNAN 255 +#define DBL_EXP_INFNAN 2047 +#define EXT_EXP_INFNAN 32767 + +#if 0 +#define SNG_QUIETNAN (1 << 22) +#define DBL_QUIETNAN (1 << 19) +#define EXT_QUIETNAN (1 << 15) +#endif + +/* + * Exponent biases. + */ +#define SNG_EXP_BIAS 127 +#define DBL_EXP_BIAS 1023 +#define EXT_EXP_BIAS 16383 diff --git a/libc/arch-sh/include/machine/internal_types.h b/libc/arch-sh/include/machine/internal_types.h new file mode 100644 index 0000000..ea9b7c4 --- /dev/null +++ b/libc/arch-sh/include/machine/internal_types.h @@ -0,0 +1,6 @@ +/* $OpenBSD: internal_types.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $ */ +/* Public domain */ +#ifndef _SH_INTERNAL_TYPES_H_ +#define _SH_INTERNAL_TYPES_H_ + +#endif diff --git a/libc/arch-sh/include/machine/kernel.h b/libc/arch-sh/include/machine/kernel.h new file mode 100644 index 0000000..948021a --- /dev/null +++ b/libc/arch-sh/include/machine/kernel.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +#ifndef _ARCH_SH_KERNEL_H +#define _ARCH_SH_KERNEL_H + +/* this file contains kernel-specific definitions that were optimized out of + our processed kernel headers, but still useful nonetheless... */ + +typedef unsigned long __kernel_blkcnt_t; +typedef unsigned long __kernel_blksize_t; + +/* these aren't really defined by the kernel headers though... */ +typedef unsigned long __kernel_fsblkcnt_t; +typedef unsigned long __kernel_fsfilcnt_t; +typedef unsigned int __kernel_id_t; + +#endif /* _ARCH_SH_KERNEL_H */ diff --git a/libc/arch-sh/include/machine/limits.h b/libc/arch-sh/include/machine/limits.h new file mode 100644 index 0000000..d602138 --- /dev/null +++ b/libc/arch-sh/include/machine/limits.h @@ -0,0 +1,60 @@ +/* $OpenBSD: limits.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $ */ +/* $NetBSD: limits.h,v 1.1 1996/09/30 16:34:28 ws Exp $ */ + +/*- + * Copyright (C) 1995, 1996 Wolfgang Solfrank. + * Copyright (C) 1995, 1996 TooLs GmbH. + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by TooLs GmbH. + * 4. The name of TooLs GmbH may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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. + */ + +#ifndef _SH_LIMITS_H_ +#define _SH_LIMITS_H_ + +#include <sys/cdefs.h> + +#define MB_LEN_MAX 1 /* no multibyte characters */ + +#ifndef SIZE_MAX +#define SIZE_MAX UINT_MAX /* max value for a size_t */ +#endif +#define SSIZE_MAX INT_MAX /* max value for a ssize_t */ + +#if __BSD_VISIBLE +#define SIZE_T_MAX UINT_MAX /* max value for a size_t (historic) */ + +#define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ +#define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ +#define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ +#endif /* __BSD_VISIBLE */ + +#define LONGLONG_BIT 64 +#define LONGLONG_MIN (-9223372036854775807LL-1) +#define LONGLONG_MAX 9223372036854775807LL +#define ULONGLONG_MAX 18446744073709551615ULL + +#endif /* _SH_LIMITS_H_ */ diff --git a/libc/arch-sh/include/machine/setjmp.h b/libc/arch-sh/include/machine/setjmp.h new file mode 100644 index 0000000..014ad3e --- /dev/null +++ b/libc/arch-sh/include/machine/setjmp.h @@ -0,0 +1,7 @@ +/* $OpenBSD: setjmp.h,v 1.2 2007/03/02 06:11:54 miod Exp $ */ +/* $NetBSD: setjmp.h,v 1.3 2006/01/05 00:50:23 uwe Exp $ */ + +/* + * machine/setjmp.h: machine dependent setjmp-related information. + */ + diff --git a/libc/include/sys/_sigdefs.h b/libc/include/sys/_sigdefs.h index a3cb7a3..6822c25 100644 --- a/libc/include/sys/_sigdefs.h +++ b/libc/include/sys/_sigdefs.h @@ -25,41 +25,46 @@ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ -/* this header is used to define signal constants and names; it might be included several times */ + +/* + * this header is used to define signal constants and names; + * it might be included several times + */ + #ifndef __BIONIC_SIGDEF #error __BIONIC_SIGDEF not defined #endif -__BIONIC_SIGDEF(SIGHUP,1,"Hangup") -__BIONIC_SIGDEF(SIGINT,2,"Interrupt") -__BIONIC_SIGDEF(SIGQUIT,3,"Quit") -__BIONIC_SIGDEF(SIGILL,4,"Illegal instruction") -__BIONIC_SIGDEF(SIGTRAP,5,"Trap") -__BIONIC_SIGDEF(SIGABRT,6,"Aborted") -__BIONIC_SIGDEF(SIGBUS,7,"Bus error") -__BIONIC_SIGDEF(SIGFPE,8,"Floating point exception") -__BIONIC_SIGDEF(SIGKILL,9,"Killed") -__BIONIC_SIGDEF(SIGUSR1,10,"User signal 1") -__BIONIC_SIGDEF(SIGSEGV,11,"Segmentation fault") -__BIONIC_SIGDEF(SIGUSR2,12,"User signal 2") -__BIONIC_SIGDEF(SIGPIPE,13,"Broken pipe") -__BIONIC_SIGDEF(SIGALRM,14,"Alarm clock") -__BIONIC_SIGDEF(SIGTERM,15,"Terminated") -__BIONIC_SIGDEF(SIGSTKFLT,16,"Stack fault") -__BIONIC_SIGDEF(SIGCHLD,17,"Child exited") -__BIONIC_SIGDEF(SIGCONT,18,"Continue") -__BIONIC_SIGDEF(SIGSTOP,19,"Stopped (signal)") -__BIONIC_SIGDEF(SIGTSTP,20,"Stopped") -__BIONIC_SIGDEF(SIGTTIN,21,"Stopped (tty input)") -__BIONIC_SIGDEF(SIGTTOU,22,"Stopper (tty output)") -__BIONIC_SIGDEF(SIGURG,23,"Urgent I/O condition") -__BIONIC_SIGDEF(SIGXCPU,24,"CPU time limit exceeded") -__BIONIC_SIGDEF(SIGXFSZ,25,"File size limit exceeded") -__BIONIC_SIGDEF(SIGVTALRM,26,"Virtual timer expired") -__BIONIC_SIGDEF(SIGPROF,27,"Profiling timer expired") -__BIONIC_SIGDEF(SIGWINCH,28,"Window size changed") -__BIONIC_SIGDEF(SIGIO,29,"I/O possible") -__BIONIC_SIGDEF(SIGPWR,30,"Power failure") -__BIONIC_SIGDEF(SIGSYS,31,"Bad system call") +__BIONIC_SIGDEF(HUP,1,"Hangup") +__BIONIC_SIGDEF(INT,2,"Interrupt") +__BIONIC_SIGDEF(QUIT,3,"Quit") +__BIONIC_SIGDEF(ILL,4,"Illegal instruction") +__BIONIC_SIGDEF(TRAP,5,"Trap") +__BIONIC_SIGDEF(ABRT,6,"Aborted") +__BIONIC_SIGDEF(BUS,7,"Bus error") +__BIONIC_SIGDEF(FPE,8,"Floating point exception") +__BIONIC_SIGDEF(KILL,9,"Killed") +__BIONIC_SIGDEF(USR1,10,"User signal 1") +__BIONIC_SIGDEF(SEGV,11,"Segmentation fault") +__BIONIC_SIGDEF(USR2,12,"User signal 2") +__BIONIC_SIGDEF(PIPE,13,"Broken pipe") +__BIONIC_SIGDEF(ALRM,14,"Alarm clock") +__BIONIC_SIGDEF(TERM,15,"Terminated") +__BIONIC_SIGDEF(STKFLT,16,"Stack fault") +__BIONIC_SIGDEF(CHLD,17,"Child exited") +__BIONIC_SIGDEF(CONT,18,"Continue") +__BIONIC_SIGDEF(STOP,19,"Stopped (signal)") +__BIONIC_SIGDEF(TSTP,20,"Stopped") +__BIONIC_SIGDEF(TTIN,21,"Stopped (tty input)") +__BIONIC_SIGDEF(TTOU,22,"Stopper (tty output)") +__BIONIC_SIGDEF(URG,23,"Urgent I/O condition") +__BIONIC_SIGDEF(XCPU,24,"CPU time limit exceeded") +__BIONIC_SIGDEF(XFSZ,25,"File size limit exceeded") +__BIONIC_SIGDEF(VTALRM,26,"Virtual timer expired") +__BIONIC_SIGDEF(PROF,27,"Profiling timer expired") +__BIONIC_SIGDEF(WINCH,28,"Window size changed") +__BIONIC_SIGDEF(IO,29,"I/O possible") +__BIONIC_SIGDEF(PWR,30,"Power failure") +__BIONIC_SIGDEF(SYS,31,"Bad system call") #undef __BIONIC_SIGDEF diff --git a/libc/unistd/siglist.c b/libc/unistd/siglist.c index a2ac9fe..f1c3377 100644 --- a/libc/unistd/siglist.c +++ b/libc/unistd/siglist.c @@ -28,6 +28,6 @@ #include <signal.h> const char * const sys_siglist[NSIG] = { -#define __BIONIC_SIGDEF(x,y,z) [ x ] = z, +#define __BIONIC_SIGDEF(x,y,z) [ SIG##x ] = z, #include <sys/_sigdefs.h> }; diff --git a/libc/unistd/signame.c b/libc/unistd/signame.c new file mode 100644 index 0000000..4611e44 --- /dev/null +++ b/libc/unistd/signame.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 <signal.h> + +const char * const sys_signame[NSIG] = { +#define __BIONIC_SIGDEF(x,y,z) [ SIG##x ] = #x, +#include <sys/_sigdefs.h> +}; diff --git a/linker/Android.mk b/linker/Android.mk index 3d3ad92..6c26eb3 100644 --- a/linker/Android.mk +++ b/linker/Android.mk @@ -9,7 +9,12 @@ LOCAL_SRC_FILES:= \ debugger.c \ ba.c +ifeq ($(TARGET_ARCH),sh) +# SH-4A series virtual address range from 0x00000000 to 0x7FFFFFFF. +LINKER_TEXT_BASE := 0x70000100 +else LINKER_TEXT_BASE := 0xB0000100 +endif # The maximum size set aside for the linker, from # LINKER_TEXT_BASE rounded down to a megabyte. @@ -31,7 +36,11 @@ else ifeq ($(TARGET_ARCH),x86) LOCAL_CFLAGS += -DANDROID_X86_LINKER else - $(error Unsupported TARGET_ARCH $(TARGET_ARCH)) + ifeq ($(TARGET_ARCH),sh) + LOCAL_CFLAGS += -DANDROID_SH_LINKER + else + $(error Unsupported TARGET_ARCH $(TARGET_ARCH)) + endif endif endif diff --git a/linker/arch/sh/begin.S b/linker/arch/sh/begin.S new file mode 100644 index 0000000..6f49557 --- /dev/null +++ b/linker/arch/sh/begin.S @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ +.text +.align 4 +.type _start,#function +.globl _start + +_start: + mov r15, r4 + + mov.l 0f, r0 + jsr @r0 + nop + + /* linker init returns the _entry address in the main image */ + jmp @r0 + nop + + .balign 4 +0: .long __linker_init + + .section .ctors, "wa" + .globl __CTOR_LIST__ +__CTOR_LIST__: + .long -1 diff --git a/linker/dlfcn.c b/linker/dlfcn.c index 053713c..039926c 100644 --- a/linker/dlfcn.c +++ b/linker/dlfcn.c @@ -137,6 +137,12 @@ int dlclose(void *handle) #define ANDROID_LIBDL_STRTAB \ "dlopen\0dlclose\0dlsym\0dlerror\0dl_iterate_phdr\0" +#elif defined(ANDROID_SH_LINKER) +// 0000000 00011111 111112 22222222 2333333333344444 +// 0123456 78901234 567890 12345678 9012345678901234 +#define ANDROID_LIBDL_STRTAB \ + "dlopen\0dlclose\0dlsym\0dlerror\0dl_iterate_phdr\0" + #else /* !defined(ANDROID_ARM_LINKER) && !defined(ANDROID_X86_LINKER) */ #error Unsupported architecture. Only ARM and x86 are presently supported. #endif @@ -181,6 +187,12 @@ static Elf32_Sym libdl_symtab[] = { st_info: STB_GLOBAL << 4, st_shndx: 1, }, +#elif defined(ANDROID_SH_LINKER) + { st_name: 29, + st_value: (Elf32_Addr) &dl_iterate_phdr, + st_info: STB_GLOBAL << 4, + st_shndx: 1, + }, #endif }; diff --git a/linker/linker.c b/linker/linker.c index 53d3b01..9779290 100644 --- a/linker/linker.c +++ b/linker/linker.c @@ -367,7 +367,7 @@ _Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int *pcount) *pcount = 0; return NULL; } -#elif defined(ANDROID_X86_LINKER) +#elif defined(ANDROID_X86_LINKER) || defined(ANDROID_SH_LINKER) /* Here, we only have to provide a callback to iterate across all the * loaded libraries. gcc_eh does the rest. */ int @@ -1370,6 +1370,100 @@ static int reloc_library(soinfo *si, Elf32_Rel *rel, unsigned count) return 0; } +#if defined(ANDROID_SH_LINKER) +static int reloc_library_a(soinfo *si, Elf32_Rela *rela, unsigned count) +{ + Elf32_Sym *symtab = si->symtab; + const char *strtab = si->strtab; + Elf32_Sym *s; + unsigned base; + Elf32_Rela *start = rela; + unsigned idx; + + for (idx = 0; idx < count; ++idx) { + unsigned type = ELF32_R_TYPE(rela->r_info); + unsigned sym = ELF32_R_SYM(rela->r_info); + unsigned reloc = (unsigned)(rela->r_offset + si->base); + unsigned sym_addr = 0; + char *sym_name = NULL; + + DEBUG("%5d Processing '%s' relocation at index %d\n", pid, + si->name, idx); + if(sym != 0) { + sym_name = (char *)(strtab + symtab[sym].st_name); + s = _do_lookup(si, sym_name, &base); + if(s == 0) { + DL_ERR("%5d cannot locate '%s'...", pid, sym_name); + return -1; + } +#if 0 + if((base == 0) && (si->base != 0)){ + /* linking from libraries to main image is bad */ + DL_ERR("%5d cannot locate '%s'...", + pid, strtab + symtab[sym].st_name); + return -1; + } +#endif + if ((s->st_shndx == SHN_UNDEF) && (s->st_value != 0)) { + DL_ERR("%5d In '%s', shndx=%d && value=0x%08x. We do not " + "handle this yet", pid, si->name, s->st_shndx, + s->st_value); + return -1; + } + sym_addr = (unsigned)(s->st_value + base); + COUNT_RELOC(RELOC_SYMBOL); + } else { + s = 0; + } + +/* TODO: This is ugly. Split up the relocations by arch into + * different files. + */ + switch(type){ + case R_SH_JUMP_SLOT: + COUNT_RELOC(RELOC_ABSOLUTE); + MARK(rela->r_offset); + TRACE_TYPE(RELO, "%5d RELO JMP_SLOT %08x <- %08x %s\n", pid, + reloc, sym_addr, sym_name); + *((unsigned*)reloc) = sym_addr; + break; + case R_SH_GLOB_DAT: + COUNT_RELOC(RELOC_ABSOLUTE); + MARK(rela->r_offset); + TRACE_TYPE(RELO, "%5d RELO GLOB_DAT %08x <- %08x %s\n", pid, + reloc, sym_addr, sym_name); + *((unsigned*)reloc) = sym_addr; + break; + case R_SH_DIR32: + COUNT_RELOC(RELOC_ABSOLUTE); + MARK(rela->r_offset); + TRACE_TYPE(RELO, "%5d RELO DIR32 %08x <- %08x %s\n", pid, + reloc, sym_addr, sym_name); + *((unsigned*)reloc) += sym_addr; + break; + case R_SH_RELATIVE: + COUNT_RELOC(RELOC_RELATIVE); + MARK(rela->r_offset); + if(sym){ + DL_ERR("%5d odd RELATIVE form...", pid); + return -1; + } + TRACE_TYPE(RELO, "%5d RELO RELATIVE %08x <- +%08x\n", pid, + reloc, si->base); + *((unsigned*)reloc) += si->base; + break; + + default: + DL_ERR("%5d unknown reloc type %d @ %p (%d)", + pid, type, rela, (int) (rela - start)); + return -1; + } + rela++; + } + return 0; +} +#endif /* ANDROID_SH_LINKER */ + /* Please read the "Initialization and Termination functions" functions. * of the linker design note in bionic/linker/README.TXT to understand @@ -1622,24 +1716,40 @@ static int link_image(soinfo *si, unsigned wr_offset) case DT_SYMTAB: si->symtab = (Elf32_Sym *) (si->base + *d); break; +#if !defined(ANDROID_SH_LINKER) case DT_PLTREL: if(*d != DT_REL) { DL_ERR("DT_RELA not supported"); goto fail; } break; +#endif +#ifdef ANDROID_SH_LINKER + case DT_JMPREL: + si->plt_rela = (Elf32_Rela*) (si->base + *d); + break; + case DT_PLTRELSZ: + si->plt_rela_count = *d / sizeof(Elf32_Rela); + break; +#else case DT_JMPREL: si->plt_rel = (Elf32_Rel*) (si->base + *d); break; case DT_PLTRELSZ: si->plt_rel_count = *d / 8; break; +#endif case DT_REL: si->rel = (Elf32_Rel*) (si->base + *d); break; case DT_RELSZ: si->rel_count = *d / 8; break; +#ifdef ANDROID_SH_LINKER + case DT_RELASZ: + si->rela_count = *d / sizeof(Elf32_Rela); + break; +#endif case DT_PLTGOT: /* Save this in case we decide to do lazy binding. We don't yet. */ si->plt_got = (unsigned *)(si->base + *d); @@ -1648,9 +1758,15 @@ static int link_image(soinfo *si, unsigned wr_offset) // Set the DT_DEBUG entry to the addres of _r_debug for GDB *d = (int) &_r_debug; break; +#ifdef ANDROID_SH_LINKER case DT_RELA: + si->rela = (Elf32_Rela *) (si->base + *d); + break; +#else + case DT_RELA: DL_ERR("%5d DT_RELA not supported", pid); goto fail; +#endif case DT_INIT: si->init_func = (void (*)(void))(si->base + *d); DEBUG("%5d %s constructors (init func) found at %p\n", @@ -1738,6 +1854,19 @@ static int link_image(soinfo *si, unsigned wr_offset) goto fail; } +#ifdef ANDROID_SH_LINKER + if(si->plt_rela) { + DEBUG("[ %5d relocating %s plt ]\n", pid, si->name ); + if(reloc_library_a(si, si->plt_rela, si->plt_rela_count)) + goto fail; + } + if(si->rela) { + DEBUG("[ %5d relocating %s ]\n", pid, si->name ); + if(reloc_library_a(si, si->rela, si->rela_count)) + goto fail; + } +#endif /* ANDROID_SH_LINKER */ + si->flags |= FLAG_LINKED; DEBUG("[ %5d finished linking %s ]\n", pid, si->name); diff --git a/linker/linker.h b/linker/linker.h index d289c81..2e51338 100644 --- a/linker/linker.h +++ b/linker/linker.h @@ -122,6 +122,14 @@ struct soinfo Elf32_Rel *rel; unsigned rel_count; +#ifdef ANDROID_SH_LINKER + Elf32_Rela *plt_rela; + unsigned plt_rela_count; + + Elf32_Rela *rela; + unsigned rela_count; +#endif /* ANDROID_SH_LINKER */ + unsigned *preinit_array; unsigned preinit_array_count; @@ -147,10 +155,15 @@ struct soinfo extern soinfo libdl_info; /* these must all be powers of two */ +#ifdef ARCH_SH +#define LIBBASE 0x60000000 +#define LIBLAST 0x70000000 +#define LIBINC 0x00100000 +#else #define LIBBASE 0x80000000 #define LIBLAST 0x90000000 #define LIBINC 0x00100000 - +#endif #ifdef ANDROID_ARM_LINKER @@ -167,6 +180,13 @@ extern soinfo libdl_info; #define R_386_JUMP_SLOT 7 #define R_386_RELATIVE 8 +#elif defined(ANDROID_SH_LINKER) + +#define R_SH_DIR32 1 +#define R_SH_GLOB_DAT 163 +#define R_SH_JUMP_SLOT 164 +#define R_SH_RELATIVE 165 + #endif /* ANDROID_*_LINKER */ @@ -209,7 +229,7 @@ const char *linker_get_error(void); #ifdef ANDROID_ARM_LINKER typedef long unsigned int *_Unwind_Ptr; _Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int *pcount); -#elif defined(ANDROID_X86_LINKER) +#elif defined(ANDROID_X86_LINKER) || defined(ANDROID_SH_LINKER) int dl_iterate_phdr(int (*cb)(struct dl_phdr_info *, size_t, void *), void *); #endif |