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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "asm_support_mips.S"
.set noreorder
.balign 4
.extern artPortableProxyInvokeHandler
ENTRY art_portable_proxy_invoke_handler
GENERATE_GLOBAL_POINTER
# Fake callee save ref and args frame set up, note portable doesn't use callee save frames.
# TODO: just save the registers that are needed in artPortableProxyInvokeHandler.
addiu $sp, $sp, -64
.cfi_adjust_cfa_offset 64
sw $ra, 60($sp)
.cfi_rel_offset 31, 60
sw $s8, 56($sp)
.cfi_rel_offset 30, 56
sw $gp, 52($sp)
.cfi_rel_offset 28, 52
sw $s7, 48($sp)
.cfi_rel_offset 23, 48
sw $s6, 44($sp)
.cfi_rel_offset 22, 44
sw $s5, 40($sp)
.cfi_rel_offset 21, 40
sw $s4, 36($sp)
.cfi_rel_offset 20, 36
sw $s3, 32($sp)
.cfi_rel_offset 19, 32
sw $s2, 28($sp)
.cfi_rel_offset 18, 28
sw $a3, 12($sp)
.cfi_rel_offset 7, 12
sw $a2, 8($sp)
.cfi_rel_offset 6, 8
sw $a1, 4($sp)
.cfi_rel_offset 5, 4
# Begin argument set up.
sw $a0, 0($sp) # place proxy method at bottom of frame
move $a2, rSELF # pass Thread::Current
jal artPortableProxyInvokeHandler # (Method* proxy method, receiver, Thread*, SP)
move $a3, $sp # pass $sp
lw $ra, 60($sp) # restore $ra
jr $ra
addiu $sp, $sp, 64 # pop frame
.cfi_adjust_cfa_offset -64
END art_portable_proxy_invoke_handler
/*
* Invocation stub for portable code.
* On entry:
* a0 = method pointer
* a1 = argument array or NULL for no argument methods
* a2 = size of argument array in bytes
* a3 = (managed) thread pointer
* [sp + 16] = JValue* result
* [sp + 20] = result type char
*/
ENTRY art_portable_invoke_stub
GENERATE_GLOBAL_POINTER
sw $a0, 0($sp) # save out a0
addiu $sp, $sp, -16 # spill s0, s1, fp, ra
.cfi_adjust_cfa_offset 16
sw $ra, 12($sp)
.cfi_rel_offset 31, 12
sw $fp, 8($sp)
.cfi_rel_offset 30, 8
sw $s1, 4($sp)
.cfi_rel_offset 17, 4
sw $s0, 0($sp)
.cfi_rel_offset 16, 0
move $fp, $sp # save sp in fp
.cfi_def_cfa_register 30
move $s1, $a3 # move managed thread pointer into s1
addiu $s0, $zero, SUSPEND_CHECK_INTERVAL # reset s0 to suspend check interval
addiu $t0, $a2, 16 # create space for method pointer in frame
srl $t0, $t0, 3 # shift the frame size right 3
sll $t0, $t0, 3 # shift the frame size left 3 to align to 16 bytes
subu $sp, $sp, $t0 # reserve stack space for argument array
addiu $a0, $sp, 4 # pass stack pointer + method ptr as dest for memcpy
jal memcpy # (dest, src, bytes)
addiu $sp, $sp, -16 # make space for argument slots for memcpy
addiu $sp, $sp, 16 # restore stack after memcpy
lw $a0, 16($fp) # restore method*
lw $a1, 4($sp) # copy arg value for a1
lw $a2, 8($sp) # copy arg value for a2
lw $a3, 12($sp) # copy arg value for a3
lw $t9, METHOD_PORTABLE_CODE_OFFSET($a0) # get pointer to the code
jalr $t9 # call the method
sw $zero, 0($sp) # store NULL for method* at bottom of frame
move $sp, $fp # restore the stack
lw $s0, 0($sp)
.cfi_restore 16
lw $s1, 4($sp)
.cfi_restore 17
lw $fp, 8($sp)
.cfi_restore 30
lw $ra, 12($sp)
.cfi_restore 31
addiu $sp, $sp, 16
.cfi_adjust_cfa_offset -16
lw $t0, 16($sp) # get result pointer
lw $t1, 20($sp) # get result type char
li $t2, 68 # put char 'D' into t2
beq $t1, $t2, 1f # branch if result type char == 'D'
li $t3, 70 # put char 'F' into t3
beq $t1, $t3, 1f # branch if result type char == 'F'
sw $v0, 0($t0) # store the result
jr $ra
sw $v1, 4($t0) # store the other half of the result
1:
s.s $f0, 0($t0) # store floating point result
jr $ra
s.s $f1, 4($t0) # store other half of floating point result
END art_portable_invoke_stub
UNIMPLEMENTED art_portable_resolution_trampoline
UNIMPLEMENTED art_portable_to_interpreter_bridge
UNIMPLEMENTED art_portable_imt_conflict_trampoline
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