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am 21ec779a: Add stack unwinding directives to atomic-android-arm.S.

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Merge commit '21ec779abe2df0c2e9e170a40c8cf7c2f2eb4ac9' into eclair-plus-aosp

* commit '21ec779abe2df0c2e9e170a40c8cf7c2f2eb4ac9':
  Add stack unwinding directives to atomic-android-arm.S.
This commit is contained in:
Ben Cheng 2009-10-21 12:12:23 -07:00 committed by Android Git Automerger
commit 4fa0046d98
1 changed files with 18 additions and 0 deletions
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18
libcutils/atomic-android-arm.S
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@ -65,6 +65,8 @@ android_atomic_write:
*/
android_atomic_inc:
.fnstart
.save {r4, lr}
stmdb sp!, {r4, lr}
mov r2, r0
1: @ android_atomic_inc
@ -84,6 +86,7 @@ android_atomic_inc:
sub r0, r1, #1
ldmia sp!, {r4, lr}
bx lr
.fnend
/*
* ----------------------------------------------------------------------------
@ -93,6 +96,8 @@ android_atomic_inc:
*/
android_atomic_dec:
.fnstart
.save {r4, lr}
stmdb sp!, {r4, lr}
mov r2, r0
1: @ android_atomic_dec
@ -112,6 +117,7 @@ android_atomic_dec:
add r0, r1, #1
ldmia sp!, {r4, lr}
bx lr
.fnend
/*
* ----------------------------------------------------------------------------
@ -121,6 +127,8 @@ android_atomic_dec:
*/
android_atomic_add:
.fnstart
.save {r4, lr}
stmdb sp!, {r4, lr}
mov r2, r1
mov r4, r0
@ -141,6 +149,7 @@ android_atomic_add:
sub r0, r1, r4
ldmia sp!, {r4, lr}
bx lr
.fnend
/*
@ -151,6 +160,8 @@ android_atomic_add:
*/
android_atomic_and:
.fnstart
.save {r4, r5, lr}
stmdb sp!, {r4, r5, lr}
mov r2, r1 /* r2 = address */
mov r4, r0 /* r4 = the value */
@ -173,6 +184,7 @@ android_atomic_and:
mov r0, r5
ldmia sp!, {r4, r5, lr}
bx lr
.fnend
/*
* ----------------------------------------------------------------------------
@ -182,6 +194,8 @@ android_atomic_and:
*/
android_atomic_or:
.fnstart
.save {r4, r5, lr}
stmdb sp!, {r4, r5, lr}
mov r2, r1 /* r2 = address */
mov r4, r0 /* r4 = the value */
@ -204,6 +218,7 @@ android_atomic_or:
mov r0, r5
ldmia sp!, {r4, r5, lr}
bx lr
.fnend
/*
* ----------------------------------------------------------------------------
@ -234,6 +249,8 @@ android_atomic_swap:
*/
android_atomic_cmpxchg:
.fnstart
.save {r4, lr}
stmdb sp!, {r4, lr}
mov r4, r0 /* r4 = save oldvalue */
1: @ android_atomic_cmpxchg
@ -255,6 +272,7 @@ android_atomic_cmpxchg:
2: @ android_atomic_cmpxchg
ldmia sp!, {r4, lr}
bx lr
.fnend
/*
* ----------------------------------------------------------------------------