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|
// -*- Mode: Asm; tab-width: 4; tab-stop-list: (4 12 32); comment-column: 30; comment-start: "// "; indent-tabs-mode: nil -*-
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
// This file incorporates work covered by the following license notice:
//
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed
// with this work for additional information regarding copyright
// ownership. The ASF licenses this file to you 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 .
//
#include "codesnippets.S"
#if defined(__arm)
// ARM support code for LibreOffice C++/UNO bridging
//
// Written by Peter Naulls <peter@chocky.org>
// Modified by Caolan McNamara <caolanm@redhat.com>
// Fixed by Michael Casadevall <mcasadevall@kubuntu.org>
// Modified for iOS by Tor Lillqvist <tml@iki.fi>
.text
.align 4
_privateSnippetExecutor:
stmfd sp!, {r0-r3} // follow other parameters on stack
mov r0, ip // r0 points to functionoffset/vtable
mov r1, sp // r1 points to this and params
// (see cpp2uno.cxx:codeSnippet())
stmfd sp!, {r4, lr} // save return address
// (r4 pushed to preserve stack alignment)
bl _cpp_vtable_call
add sp, sp, #4 // no need to restore r4 (we didn't touch it)
ldr pc, [sp], #20 // return, discarding function arguments
#elif defined(__arm64)
.text
.align 4
_privateSnippetExecutor:
.cfi_startproc
// _privateSnippetExecutor is jumped to from each of the
// codeSnippet_* generated by generate-snippets.pl
// Store potential args in general purpose registers
stp x6, x7, [sp, #-16]!
stp x4, x5, [sp, #-16]!
stp x2, x3, [sp, #-16]!
stp x0, x1, [sp, #-16]!
// Store potential args in floating point/SIMD registers
stp d6, d7, [sp, #-16]!
stp d4, d5, [sp, #-16]!
stp d2, d3, [sp, #-16]!
stp d0, d1, [sp, #-16]!
// First argument to cpp_vtable_call: The x15 set up in the codeSnippet instance
mov x0, x15
// Store x8 (potential pointer to return value storage) and lr
stp x8, lr, [sp, #-16]!
// Second argument: The pointer to all the above
mov x1, sp
bl _cpp_vtable_call
ldp x8, lr, [sp, #0]
add sp, sp, #144
ret lr
.cfi_endproc
#elif defined(__i386)
// i386 code, for the simulator
.text
.align 1, 0x90
_privateSnippetExecutorGeneral:
LFBg:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFIg0:
movl %esp,%ebp
LCFIg1:
subl $0x8,%esp // padding + 32bit returnValue
pushl %esp // 32bit &returnValue
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
movl 16(%esp),%eax // 32bit returnValue
leave
ret
LFEg:
.long .-_privateSnippetExecutorGeneral
.align 1, 0x90
_privateSnippetExecutorVoid:
LFBv:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFIv0:
movl %esp,%ebp
LCFIv1:
sub $8,%esp // padding
pushl $0 // 32bit null pointer (returnValue not used)
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
leave
ret
LFEv:
.long .-_privateSnippetExecutorVoid
.align 1, 0x90
_privateSnippetExecutorHyper:
LFBh:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFIh0:
movl %esp,%ebp
LCFIh1:
subl $0x8,%esp // 64bit returnValue
pushl %esp // 32bit &returnValue
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
movl 16(%esp),%eax // 64bit returnValue, lower half
movl 20(%esp),%edx // 64bit returnValue, upper half
leave
ret
LFEh:
.long .-_privateSnippetExecutorHyper
.align 1, 0x90
_privateSnippetExecutorFloat:
LFBf:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFIf0:
movl %esp,%ebp
LCFIf1:
subl $0x8,%esp // padding + 32bit returnValue
pushl %esp // 32bit &returnValue
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
flds 16(%esp) // 32bit returnValue
leave
ret
LFEf:
.long .-_privateSnippetExecutorFloat
.align 1, 0x90
_privateSnippetExecutorDouble:
LFBd:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFId0:
movl %esp,%ebp
LCFId1:
subl $0x8,%esp // 64bit returnValue
pushl %esp // 32bit &returnValue
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
fldl 16(%esp) // 64bit returnValue
leave
ret
LFEd:
.long .-_privateSnippetExecutorDouble
.align 1, 0x90
_privateSnippetExecutorClass:
LFBc:
movl %esp,%ecx
pushl %ebp // proper stack frame needed for exception handling
LCFIc0:
movl %esp,%ebp
LCFIc1:
subl $0x8,%esp // padding + 32bit returnValue
pushl %esp // 32bit &returnValue
pushl %ecx // 32bit pCallStack
pushl %edx // 32bit nVtableOffset
pushl %eax // 32bit nFunctionIndex
call L_cpp_vtable_call$stub
movl 16(%esp),%eax // 32bit returnValue
leave
ret $4
LFEc:
.long .-_privateSnippetExecutorClass
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$frame1,LECIE1-LSCIE1
.long L$set$frame1 // length
LSCIE1:
.long 0 // CIE_ID
.byte 1 // version
.ascii "zPR\0" // augmentation
.byte 1 // code_alignment_factor (.uleb128 1)
.byte 0x7c // data_alignment_factor (.sleb128 -4)
.byte 8 // return_address_register
.byte 0x6 // augmentation size 7:
.byte 0x9b // ???
.long L___gxx_personality_v0$non_lazy_ptr-.
.byte 0x10
// initial_instructions:
.byte 0x0C // DW_CFA_def_cfa %esp, 4
.byte 5
.byte 4
.byte 0x88 // DW_CFA_offset ret, 1
.byte 1
.align 2
LECIE1:
_privateSnippetExecutorGeneral.eh:
LSFDEg:
.set L$set$g1,LEFDEg-LASFDEg
.long L$set$g1 // length
LASFDEg:
.long LASFDEg-EH_frame1 // CIE_pointer
.long LFBg-. // initial_location
.long LFEg-LFBg // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIg0-LFBg
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIg1-LCFIg0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEg:
_privateSnippetExecutorVoid.eh:
LSFDEv:
.set L$set$v1,LEFDEv-LASFDEv
.long L$set$v1 // length
LASFDEv:
.long LASFDEv-EH_frame1 // CIE_pointer
.long LFBv-. // initial_location
.long LFEv-LFBv // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIv0-LFBv
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIv1-LCFIv0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEv:
_privateSnippetExecutorHyper.eh:
LSFDEh:
.set L$set$h1,LEFDEh-LASFDEh
.long L$set$h1 // length
LASFDEh:
.long LASFDEh-EH_frame1 // CIE_pointer
.long LFBh-. // initial_location
.long LFEh-LFBh // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIh0-LFBh
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIh1-LCFIh0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEh:
_privateSnippetExecutorFloat.eh:
LSFDEf:
.set L$set$f1,LEFDEf-LASFDEf
.long L$set$f1 // length
LASFDEf:
.long LASFDEf-EH_frame1 // CIE_pointer
.long LFBf-. // initial_location
.long LFEf-LFBf // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIf0-LFBf
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIf1-LCFIf0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEf:
_privateSnippetExecutorDouble.eh:
LSFDEd:
.set L$set$d1,LEFDEd-LASFDEd
.long L$set$d1 // length
LASFDEd:
.long LASFDEd-EH_frame1 // CIE_pointer
.long LFBd-. // initial_location
.long LFEd-LFBd // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFId0-LFBd
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFId1-LCFId0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEd:
_privateSnippetExecutorClass.eh:
LSFDEc:
.set L$set$c1,LEFDEc-LASFDEc
.long L$set$c1 // length
LASFDEc:
.long LASFDEc-EH_frame1 // CIE_pointer
.long LFBc-. // initial_location
.long LFEc-LFBc // address_range
.byte 0 // augmentation size 0
// instructions:
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIc0-LFBc
.byte 0x0E // DW_CFA_def_cfa_offset 8
.byte 8
.byte 0x84 // DW_CFA_offset %ebp, 2
.byte 2
.byte 0x04 // DW_CFA_advance_loc4
.long LCFIc1-LCFIc0
.byte 0x0D // DW_CFA_def_cfa_register %ebp
.byte 4
.align 2
LEFDEc:
.section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5
L_cpp_vtable_call$stub:
.indirect_symbol _cpp_vtable_call
hlt ; hlt ; hlt ; hlt ; hlt
.section __IMPORT,__pointers,non_lazy_symbol_pointers
L___gxx_personality_v0$non_lazy_ptr:
.indirect_symbol ___gxx_personality_v0
.long 0
.constructor
.destructor
.align 1
#else
.text
.align 2
.globl privateSnippetExecutor
_privateSnippetExecutor:
.LFB3:
pushq %rbp
.LCFI0:
movq %rsp, %rbp
.LCFI1:
subq $160, %rsp
.LCFI2:
movq %r10, -152(%rbp) # Save (nVtableOffset << 32) + nFunctionIndex
movq %rdi, -112(%rbp) # Save GP registers
movq %rsi, -104(%rbp)
movq %rdx, -96(%rbp)
movq %rcx, -88(%rbp)
movq %r8 , -80(%rbp)
movq %r9 , -72(%rbp)
movsd %xmm0, -64(%rbp) # Save FP registers
movsd %xmm1, -56(%rbp)
movsd %xmm2, -48(%rbp)
movsd %xmm3, -40(%rbp)
movsd %xmm4, -32(%rbp)
movsd %xmm5, -24(%rbp)
movsd %xmm6, -16(%rbp)
movsd %xmm7, -8(%rbp)
leaq -144(%rbp), %r9 # 6th param: sal_uInt64 * pRegisterReturn
leaq 16(%rbp), %r8 # 5rd param: void ** ovrflw
leaq -64(%rbp), %rcx # 4th param: void ** fpreg
leaq -112(%rbp), %rdx # 3rd param: void ** gpreg
movl -148(%rbp), %esi # 2nd param: sal_int32 nVtableOffset
movl -152(%rbp), %edi # 1st param: sal_int32 nFunctionIndex
call cpp_vtable_call
cmp $10, %rax # typelib_TypeClass_FLOAT
je .Lfloat
cmp $11, %rax # typelib_TypeClass_DOUBLE
je .Lfloat
movq -144(%rbp), %rax # Return value (int case)
movq -136(%rbp), %rdx # Return value (int case)
movq -144(%rbp), %xmm0 # Return value (int case)
movq -136(%rbp), %xmm1 # Return value (int case)
jmp .Lfinish
.Lfloat:
movlpd -144(%rbp), %xmm0 # Return value (float/double case)
.Lfinish:
leave
ret
.LFE3:
# see http://refspecs.linuxfoundation.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html
# for details of the .eh_frame, the "Common Information Entry" and "Frame Description Entry" formats
# and http://mentorembedded.github.io/cxx-abi/exceptions.pdf for more info
.Lframe1:
.long .LECIE1-.LSCIE1
.LSCIE1:
.long 0x0
.byte 0x1
.string "zR"
.uleb128 0x1
.sleb128 -8
.byte 0x10
.uleb128 0x1
.byte 0x1b
.byte 0xc
.uleb128 0x7
.uleb128 0x8
.byte 0x90
.uleb128 0x1
.align 8
.LECIE1:
.LSFDE1:
.long .LEFDE1-.LASFDE1
.LASFDE1:
.long .LASFDE1-.Lframe1
.long .LFB3-.
.long .LFE3-.LFB3
.uleb128 0x0
.byte 0x4
.long .LCFI0-.LFB3
.byte 0xe
.uleb128 0x10
.byte 0x86
.uleb128 0x2
.byte 0x4
.long .LCFI1-.LCFI0
.byte 0xd
.uleb128 0x6
.align 8
.LEFDE1:
#endif
// vim:set shiftwidth=4 softtabstop=4 expandtab:
|
