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am 83362689: merge from open-source master

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Merge commit '83362689f5b1f6393d376d242fe29541b63ead2d'

* commit '83362689f5b1f6393d376d242fe29541b63ead2d':
  added and modified linker to support SuperH architecture
  Add the BSD sys_signame array.
  added and modified bionic code to support SuperH architecture
This commit is contained in:
Jean-Baptiste Queru 2009-11-09 12:07:54 -08:00 committed by Android Git Automerger
commit b152dde4ca
40 changed files with 2968 additions and 40 deletions
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39
libc/Android.mk
View file

@ -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

37
libc/arch-sh/bionic/__get_pc.S Normal file
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@ -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

36
libc/arch-sh/bionic/__get_sp.S Normal file
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@ -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

37
libc/arch-sh/bionic/__get_tls.c Normal file
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@ -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;
}

37
libc/arch-sh/bionic/__set_tls.c Normal file
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@ -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;
}

52
libc/arch-sh/bionic/_exit_with_stack_teardown.S Normal file
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@ -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

125
libc/arch-sh/bionic/_setjmp.S Normal file
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@ -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)

50
libc/arch-sh/bionic/atomic_cmpxchg.S Normal file
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@ -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

100
libc/arch-sh/bionic/atomics_sh.c Normal file
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@ -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);
}

29
libc/arch-sh/bionic/bzero.S Normal file
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@ -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"

74
libc/arch-sh/bionic/clone.S Normal file
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@ -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

95
libc/arch-sh/bionic/crtbegin_dynamic.S Normal file
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@ -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

96
libc/arch-sh/bionic/crtbegin_static.S Normal file
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/*
* 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

39
libc/arch-sh/bionic/crtend.S Normal file
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/*
* 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

103
libc/arch-sh/bionic/ffs.S Normal file
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/* $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

268
libc/arch-sh/bionic/memcpy.S Normal file
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/* $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

5
libc/arch-sh/bionic/memmove.S Normal file
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@ -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"

295
libc/arch-sh/bionic/memset.S Normal file
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/* $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

63
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/*
* 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

167
libc/arch-sh/bionic/setjmp.S Normal file
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/* $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)

166
libc/arch-sh/bionic/sigsetjmp.S Normal file
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/* $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)

69
libc/arch-sh/bionic/syscall.S Normal file
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/*
* 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

30
libc/arch-sh/bionic/unwind.c Normal file
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@ -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;

39
libc/arch-sh/include/endian.h Normal file
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/* $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_ */

126
libc/arch-sh/include/machine/_types.h Normal file
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/* $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_ */

217
libc/arch-sh/include/machine/asm.h Normal file
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/* $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_ */

35
libc/arch-sh/include/machine/exec.h Normal file
View file

@ -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)

132
libc/arch-sh/include/machine/ieee.h Normal file
View file

@ -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

6
libc/arch-sh/include/machine/internal_types.h Normal file
View file

@ -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

42
libc/arch-sh/include/machine/kernel.h Normal file
View file

@ -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 */

60
libc/arch-sh/include/machine/limits.h Normal file
View file

@ -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_ */

7
libc/arch-sh/include/machine/setjmp.h Normal file
View file

@ -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.
*/

69
libc/include/sys/_sigdefs.h
View file

@ -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

2
libc/unistd/siglist.c
View file

@ -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>
};

33
libc/unistd/signame.c Normal file
View file

@ -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>
};

11
linker/Android.mk
View file

@ -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

50
linker/arch/sh/begin.S Normal file
View file

@ -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

12
linker/dlfcn.c
View file

@ -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
};

131
linker/linker.c
View file

@ -366,7 +366,7 @@ _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
@ -1411,6 +1411,100 @@ 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
@ -1663,24 +1757,40 @@ 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);
@ -1689,9 +1799,15 @@ 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",
@ -1779,6 +1895,19 @@ 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);

24
linker/linker.h
View file

@ -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