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am df4e7ad8: am 0b4246b5: Merge "Add cfi directives to all arm assembly."

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* commit 'df4e7ad88fd3578fc12016f44c754298f5fbd8e8':
  Add cfi directives to all arm assembly.
This commit is contained in:
Christopher Ferris 2013-12-03 20:42:00 +00:00 committed by Android Git Automerger
commit 9d5f2d72c9
39 changed files with 235 additions and 184 deletions
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7
libc/SYSCALLS.TXT
View File

@ -57,10 +57,9 @@ int setresuid:setresuid(uid_t, uid_t, uid_t) aarch64,mips,x86_64
int setresgid:setresgid32(gid_t, gid_t, gid_t) arm,x86
int setresgid:setresgid(gid_t, gid_t, gid_t) aarch64,mips,x86_64
void* __brk:brk(void*) all
# See comments in kill.S to understand why we don't generate ARM stubs for kill/tkill/tgkill.
int kill(pid_t, int) aarch64,mips,x86,x86_64
int tkill(pid_t tid, int sig) aarch64,mips,x86,x86_64
int tgkill(pid_t tgid, pid_t tid, int sig) aarch64,mips,x86,x86_64
int kill(pid_t, int) all
int tkill(pid_t tid, int sig) all
int tgkill(pid_t tgid, pid_t tid, int sig) all
int __ptrace:ptrace(int request, int pid, void* addr, void* data) all
int __set_thread_area:set_thread_area(void* user_desc) mips,x86
int __getpriority:getpriority(int, int) all

3
libc/arch-arm/arm.mk
View File

@ -6,7 +6,6 @@ _LIBC_ARCH_COMMON_SRC_FILES := \
arch-arm/bionic/_exit_with_stack_teardown.S \
arch-arm/bionic/futex_arm.S \
arch-arm/bionic/__get_sp.S \
arch-arm/bionic/kill.S \
arch-arm/bionic/libgcc_compat.c \
arch-arm/bionic/memcmp16.S \
arch-arm/bionic/memcmp.S \
@ -14,8 +13,6 @@ _LIBC_ARCH_COMMON_SRC_FILES := \
arch-arm/bionic/setjmp.S \
arch-arm/bionic/sigsetjmp.S \
arch-arm/bionic/syscall.S \
arch-arm/bionic/tgkill.S \
arch-arm/bionic/tkill.S \
# These are used by the static and dynamic versions of the libc
# respectively.

14
libc/arch-arm/bionic/__bionic_clone.S
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@ -31,10 +31,13 @@
// pid_t __bionic_clone(int flags, void* child_stack, pid_t* parent_tid, void* tls, pid_t* child_tid, int (*fn)(void*), void* arg);
ENTRY(__bionic_clone)
mov ip, sp
.save {r4, r5, r6, r7}
# save registers to parent stack
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
# load extra parameters
ldmfd ip, {r4, r5, r6}
@ -51,12 +54,19 @@ ENTRY(__bionic_clone)
# In the parent, reload saved registers then either return or set errno.
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
1: # The child.
# Re-add the unwind directives that were reset from above.
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldr r0, [sp, #-4]
ldr r1, [sp, #-8]
b __bionic_clone_entry

4
libc/arch-arm/bionic/abort_arm.S
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@ -36,7 +36,9 @@
* sequence when the crash happens.
*/
ENTRY(abort)
.save {r3, r14}
stmfd sp!, {r3, r14}
.cfi_def_cfa_offset 8
.cfi_rel_offset r3, 0
.cfi_rel_offset r14, 4
bl PIC_SYM(_C_LABEL(__libc_android_abort), PLT)
END(abort)

48
libc/arch-arm/bionic/kill.S
View File

@ -1,48 +0,0 @@
/*
* Copyright (C) 2008 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 <private/bionic_asm.h>
/* unlike our auto-generated syscall stubs, this code saves lr
on the stack, as well as a few other registers. this makes
our stack unwinder happy, when we generate debug stack
traces after the C library or other parts of the system
abort due to a fatal runtime error (e.g. detection
of a corrupted malloc heap).
*/
ENTRY(kill)
stmfd sp!, {r4-r7, ip, lr}
ldr r7, =__NR_kill
swi #0
ldmfd sp!, {r4-r7, ip, lr}
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(kill)

4
libc/arch-arm/bionic/memcmp.S
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@ -107,9 +107,11 @@ ENTRY(memcmp)
bmi 10f
#endif
.save {r4, lr}
/* save registers */
stmfd sp!, {r4, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset lr, 4
/* since r0 hold the result, move the first source
* pointer somewhere else

4
libc/arch-arm/bionic/memcmp16.S
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@ -74,9 +74,11 @@ ENTRY(__memcmp16)
bx lr
.save {r4, lr}
/* save registers */
0: stmfd sp!, {r4, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset lr, 4
/* align first pointer to word boundary */
tst r3, #2

11
libc/arch-arm/bionic/setjmp.S
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@ -51,12 +51,16 @@
ENTRY(setjmp)
/* Block all signals and retrieve the old signal mask */
stmfd sp!, {r0, r14}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset r14, 4
mov r0, #0x00000000
bl PIC_SYM(_C_LABEL(sigblock), PLT)
mov r1, r0
ldmfd sp!, {r0, r14}
.cfi_def_cfa_offset 0
/* Store signal mask */
str r1, [r0, #(_JB_SIGMASK * 4)]
@ -96,13 +100,20 @@ ENTRY(longjmp)
/* Set signal mask */
stmfd sp!, {r0, r1, r14}
.cfi_def_cfa_offset 12
.cfi_rel_offset r0, 0
.cfi_rel_offset r1, 4
.cfi_rel_offset r14, 8
sub sp, sp, #4 /* align the stack */
.cfi_adjust_cfa_offset 4
mov r0, r2
bl PIC_SYM(_C_LABEL(sigsetmask), PLT)
add sp, sp, #4 /* unalign the stack */
.cfi_adjust_cfa_offset -4
ldmfd sp!, {r0, r1, r14}
.cfi_def_cfa_offset 0
#ifdef __ARM_HAVE_VFP
/* Restore floating-point registers */

6
libc/arch-arm/bionic/syscall.S
View File

@ -31,6 +31,11 @@
ENTRY(syscall)
mov ip, sp
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
mov r7, r0
mov r0, r1
mov r1, r2
@ -38,6 +43,7 @@ ENTRY(syscall)
ldmfd ip, {r3, r4, r5, r6}
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

49
libc/arch-arm/bionic/tgkill.S
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@ -1,49 +0,0 @@
/*
* Copyright (C) 2008 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 <private/bionic_asm.h>
/* unlike our auto-generated syscall stubs, this code saves lr
on the stack, as well as a few other registers. this makes
our stack unwinder happy, when we generate debug stack
traces after the C library or other parts of the system
abort due to a fatal runtime error (e.g. detection
of a corrupted malloc heap).
*/
ENTRY(tgkill)
.save {r4-r7, ip, lr}
stmfd sp!, {r4-r7, ip, lr}
ldr r7, =__NR_tgkill
swi #0
ldmfd sp!, {r4-r7, ip, lr}
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(tgkill)

48
libc/arch-arm/bionic/tkill.S
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@ -1,48 +0,0 @@
/*
* Copyright (C) 2008 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 <private/bionic_asm.h>
/* unlike our auto-generated syscall stubs, this code saves lr
on the stack, as well as a few other registers. this makes
our stack unwinder happy, when we generate debug stack
traces after the C library or other parts of the system
abort due to a fatal runtime error (e.g. detection
of a corrupted malloc heap).
*/
ENTRY(tkill)
stmfd sp!, {r4-r7, ip, lr}
ldr r7, =__NR_tkill
swi #0
ldmfd sp!, {r4-r7, ip, lr}
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(tkill)

3
libc/arch-arm/syscalls.mk
View File

@ -100,6 +100,7 @@ syscall_src += arch-arm/syscalls/inotify_init1.S
syscall_src += arch-arm/syscalls/inotify_rm_watch.S
syscall_src += arch-arm/syscalls/ioprio_get.S
syscall_src += arch-arm/syscalls/ioprio_set.S
syscall_src += arch-arm/syscalls/kill.S
syscall_src += arch-arm/syscalls/klogctl.S
syscall_src += arch-arm/syscalls/lgetxattr.S
syscall_src += arch-arm/syscalls/linkat.S
@ -175,10 +176,12 @@ syscall_src += arch-arm/syscalls/swapon.S
syscall_src += arch-arm/syscalls/symlinkat.S
syscall_src += arch-arm/syscalls/sync.S
syscall_src += arch-arm/syscalls/sysinfo.S
syscall_src += arch-arm/syscalls/tgkill.S
syscall_src += arch-arm/syscalls/timerfd_create.S
syscall_src += arch-arm/syscalls/timerfd_gettime.S
syscall_src += arch-arm/syscalls/timerfd_settime.S
syscall_src += arch-arm/syscalls/times.S
syscall_src += arch-arm/syscalls/tkill.S
syscall_src += arch-arm/syscalls/truncate.S
syscall_src += arch-arm/syscalls/truncate64.S
syscall_src += arch-arm/syscalls/umask.S

7
libc/arch-arm/syscalls/__epoll_pwait.S
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@ -4,12 +4,17 @@
ENTRY(__epoll_pwait)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_epoll_pwait
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/__llseek.S
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@ -4,12 +4,17 @@
ENTRY(__llseek)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR__llseek
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/__mmap2.S
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@ -4,12 +4,17 @@
ENTRY(__mmap2)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_mmap2
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/__ppoll.S
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@ -4,12 +4,17 @@
ENTRY(__ppoll)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_ppoll
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/__pselect6.S
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@ -4,12 +4,17 @@
ENTRY(__pselect6)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_pselect6
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/__waitid.S
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@ -4,12 +4,17 @@
ENTRY(__waitid)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_waitid
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/fchownat.S
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@ -4,12 +4,17 @@
ENTRY(fchownat)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_fchownat
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/fsetxattr.S
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@ -4,12 +4,17 @@
ENTRY(fsetxattr)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_fsetxattr
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/futex.S
View File

@ -4,12 +4,17 @@
ENTRY(futex)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_futex
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/getsockopt.S
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@ -4,12 +4,17 @@
ENTRY(getsockopt)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_getsockopt
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

14
libc/arch-arm/syscalls/kill.S Normal file
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@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(kill)
mov ip, r7
ldr r7, =__NR_kill
swi #0
mov r7, ip
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(kill)

7
libc/arch-arm/syscalls/linkat.S
View File

@ -4,12 +4,17 @@
ENTRY(linkat)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_linkat
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/lsetxattr.S
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@ -4,12 +4,17 @@
ENTRY(lsetxattr)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_lsetxattr
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/mount.S
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@ -4,12 +4,17 @@
ENTRY(mount)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_mount
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/perf_event_open.S
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@ -4,12 +4,17 @@
ENTRY(perf_event_open)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_perf_event_open
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/prctl.S
View File

@ -4,12 +4,17 @@
ENTRY(prctl)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_prctl
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/pread64.S
View File

@ -4,12 +4,17 @@
ENTRY(pread64)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_pread64
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/pwrite64.S
View File

@ -4,12 +4,17 @@
ENTRY(pwrite64)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_pwrite64
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/readahead.S
View File

@ -4,12 +4,17 @@
ENTRY(readahead)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_readahead
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/recvfrom.S
View File

@ -4,12 +4,17 @@
ENTRY(recvfrom)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_recvfrom
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/sendto.S
View File

@ -4,12 +4,17 @@
ENTRY(sendto)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_sendto
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/setsockopt.S
View File

@ -4,12 +4,17 @@
ENTRY(setsockopt)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_setsockopt
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

7
libc/arch-arm/syscalls/setxattr.S
View File

@ -4,12 +4,17 @@
ENTRY(setxattr)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_setxattr
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0

14
libc/arch-arm/syscalls/tgkill.S Normal file
View File

@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tgkill)
mov ip, r7
ldr r7, =__NR_tgkill
swi #0
mov r7, ip
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(tgkill)

14
libc/arch-arm/syscalls/tkill.S Normal file
View File

@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tkill)
mov ip, r7
ldr r7, =__NR_tkill
swi #0
mov r7, ip
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(tkill)

9
libc/include/sys/glibc-syscalls.h
View File

@ -721,6 +721,7 @@
#define SYS_fcntl64 __NR_fcntl64
#define SYS_fdatasync __NR_fdatasync
#define SYS_fgetxattr __NR_fgetxattr
#define SYS_finit_module __NR_finit_module
#define SYS_flistxattr __NR_flistxattr
#define SYS_flock __NR_flock
#define SYS_fork __NR_fork
@ -785,6 +786,7 @@
#define SYS_ioprio_get __NR_ioprio_get
#define SYS_ioprio_set __NR_ioprio_set
#define SYS_ipc __NR_ipc
#define SYS_kcmp __NR_kcmp
#define SYS_kexec_load __NR_kexec_load
#define SYS_keyctl __NR_keyctl
#define SYS_kill __NR_kill
@ -1077,6 +1079,7 @@
#define SYS_fcntl64 __NR_fcntl64
#define SYS_fdatasync __NR_fdatasync
#define SYS_fgetxattr __NR_fgetxattr
#define SYS_finit_module __NR_finit_module
#define SYS_flistxattr __NR_flistxattr
#define SYS_flock __NR_flock
#define SYS_fork __NR_fork
@ -1146,6 +1149,7 @@
#define SYS_ioprio_get __NR_ioprio_get
#define SYS_ioprio_set __NR_ioprio_set
#define SYS_ipc __NR_ipc
#define SYS_kcmp __NR_kcmp
#define SYS_kexec_load __NR_kexec_load
#define SYS_keyctl __NR_keyctl
#define SYS_kill __NR_kill
@ -1164,7 +1168,6 @@
#define SYS_lstat __NR_lstat
#define SYS_lstat64 __NR_lstat64
#define SYS_madvise __NR_madvise
#define SYS_madvise1 __NR_madvise1
#define SYS_mbind __NR_mbind
#define SYS_migrate_pages __NR_migrate_pages
#define SYS_mincore __NR_mincore
@ -1216,6 +1219,8 @@
#define SYS_pread64 __NR_pread64
#define SYS_preadv __NR_preadv
#define SYS_prlimit64 __NR_prlimit64
#define SYS_process_vm_readv __NR_process_vm_readv
#define SYS_process_vm_writev __NR_process_vm_writev
#define SYS_prof __NR_prof
#define SYS_profil __NR_profil
#define SYS_pselect6 __NR_pselect6
@ -1420,6 +1425,7 @@
#define SYS_fcntl __NR_fcntl
#define SYS_fdatasync __NR_fdatasync
#define SYS_fgetxattr __NR_fgetxattr
#define SYS_finit_module __NR_finit_module
#define SYS_flistxattr __NR_flistxattr
#define SYS_flock __NR_flock
#define SYS_fork __NR_fork
@ -1477,6 +1483,7 @@
#define SYS_iopl __NR_iopl
#define SYS_ioprio_get __NR_ioprio_get
#define SYS_ioprio_set __NR_ioprio_set
#define SYS_kcmp __NR_kcmp
#define SYS_kexec_load __NR_kexec_load
#define SYS_keyctl __NR_keyctl
#define SYS_kill __NR_kill

13
libc/tools/gensyscalls.py
View File

@ -94,12 +94,17 @@ END(%(func)s)
arm_eabi_call_long = syscall_stub_header + """\
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =%(__NR_name)s
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
@ -413,11 +418,11 @@ class State:
glibc_fp.write("#elif defined(__arm__)\n")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-arm/asm/unistd.h")
glibc_fp.write("#elif defined(__mips__)\n")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-mips/asm/unistd.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/uapi/asm-mips/asm/unistd.h")
glibc_fp.write("#elif defined(__i386__)\n")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-x86/asm/unistd_32.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/uapi/asm-x86/asm/unistd_32.h")
glibc_fp.write("#elif defined(__x86_64__)\n")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-x86/asm/unistd_64.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/uapi/asm-x86/asm/unistd_64.h")
glibc_fp.write("#endif\n")
glibc_fp.write("#endif /* _BIONIC_GLIBC_SYSCALLS_H_ */\n")