;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.5.1 #1058 (Jul 15 2005)
; This file generated Fri Jul 15 02:48:17 2005
;--------------------------------------------------------
	.module realloc
	.optsdcc -mmcs51 --model-small
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _realloc_PARM_2
	.globl _realloc
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
	.area RSEG    (DATA)
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
	.area RSEG    (DATA)
;--------------------------------------------------------
; overlayable register banks 
;--------------------------------------------------------
	.area REG_BANK_0	(REL,OVR,DATA)
	.ds 8
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
_realloc_PARM_2::
	.ds 2
_realloc_p_1_1::
	.ds 3
_realloc_pthis_1_1::
	.ds 2
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
;--------------------------------------------------------
; paged external ram data
;--------------------------------------------------------
	.area PSEG    (PAG,XDATA)
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
	.area CSEG    (CODE)
	.area GSINIT0 (CODE)
	.area GSINIT1 (CODE)
	.area GSINIT2 (CODE)
	.area GSINIT3 (CODE)
	.area GSINIT4 (CODE)
	.area GSINIT5 (CODE)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area CSEG    (CODE)
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME    (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function 'realloc'
;------------------------------------------------------------
;size                      Allocated with name '_realloc_PARM_2'
;p                         Allocated with name '_realloc_p_1_1'
;pthis                     Allocated with name '_realloc_pthis_1_1'
;pnew                      Allocated to registers r2 r3 
;ret                       Allocated to registers r7 r0 
;------------------------------------------------------------
;realloc.c:67: void xdata * realloc (void * p, size_t size)
;	-----------------------------------------
;	 function realloc
;	-----------------------------------------
_realloc:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;     genReceive
	mov	_realloc_p_1_1,dpl
	mov	(_realloc_p_1_1 + 1),dph
	mov	(_realloc_p_1_1 + 2),b
;realloc.c:75: pthis = _sdcc_find_memheader(p);
;     genCast
	mov	dpl,_realloc_p_1_1
	mov	dph,(_realloc_p_1_1 + 1)
;     genCall
	lcall	__sdcc_find_memheader
	mov	_realloc_pthis_1_1,dpl
	mov	(_realloc_pthis_1_1 + 1),dph
;realloc.c:76: if (pthis)
;     genIfx
	mov	a,_realloc_pthis_1_1
	orl	a,(_realloc_pthis_1_1 + 1)
;     genIfxJump
	jnz	00124$
	ljmp	00114$
00124$:
;realloc.c:78: if (size > (0xFFFF-HEADER_SIZE))
;     genCmpGt
;     genCmp
	clr	c
	mov	a,#0xFB
	subb	a,_realloc_PARM_2
	mov	a,#0xFF
	subb	a,(_realloc_PARM_2 + 1)
;     genIfxJump
;	Peephole 108	removed ljmp by inverse jump logic
	jnc	00111$
;	Peephole 300	removed redundant label 00125$
;realloc.c:80: ret = (void xdata *) NULL; //To prevent overflow in next line
;     genAssign
	mov	r7,#0x00
	mov	r0,#0x00
	ljmp	00115$
00111$:
;realloc.c:84: size += HEADER_SIZE; //We need a memory for header too
;     genPlus
;     genPlusIncr
	mov	a,#0x04
	add	a,_realloc_PARM_2
	mov	_realloc_PARM_2,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,(_realloc_PARM_2 + 1)
	mov	(_realloc_PARM_2 + 1),a
;realloc.c:86: if ((((unsigned int)pthis->next) - ((unsigned int)pthis)) >= size)
;     genPointerGet
;     genFarPointerGet
	mov	dpl,_realloc_pthis_1_1
	mov	dph,(_realloc_pthis_1_1 + 1)
	movx	a,@dptr
	mov	r1,a
	inc	dptr
	movx	a,@dptr
	mov	r2,a
;     genCast
	mov	ar3,r1
	mov	ar4,r2
;     genCast
	mov	r5,_realloc_pthis_1_1
	mov	r6,(_realloc_pthis_1_1 + 1)
;     genMinus
	mov	a,r3
	clr	c
;	Peephole 236.l	used r5 instead of ar5
	subb	a,r5
	mov	r3,a
	mov	a,r4
;	Peephole 236.l	used r6 instead of ar6
	subb	a,r6
	mov	r4,a
;     genCmpLt
;     genCmp
	clr	c
	mov	a,r3
	subb	a,_realloc_PARM_2
	mov	a,r4
	subb	a,(_realloc_PARM_2 + 1)
;     genIfxJump
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 160	removed sjmp by inverse jump logic
	jc	00108$
00126$:
;realloc.c:88: pthis->len = size;
;     genPlus
;     genPlusIncr
	mov	dpl,_realloc_pthis_1_1
	mov	dph,(_realloc_pthis_1_1 + 1)
	inc	dptr
	inc	dptr
;     genPointerSet
;     genFarPointerSet
	mov	a,_realloc_PARM_2
	movx	@dptr,a
	inc	dptr
	mov	a,(_realloc_PARM_2 + 1)
	movx	@dptr,a
;realloc.c:89: ret = p;
;     genCast
	mov	r7,_realloc_p_1_1
	mov	r0,(_realloc_p_1_1 + 1)
	ljmp	00115$
00108$:
;realloc.c:93: if ((_sdcc_prev_memheader) &&
;     genIfx
	mov	a,__sdcc_prev_memheader
	orl	a,(__sdcc_prev_memheader + 1)
;     genIfxJump
	jnz	00127$
	ljmp	00104$
00127$:
;realloc.c:94: ((((unsigned int)pthis->next) -
;     genAssign
;     genCast
;realloc.c:95: ((unsigned int)_sdcc_prev_memheader) -
;     genCast
	mov	r3,__sdcc_prev_memheader
	mov	r4,(__sdcc_prev_memheader + 1)
;     genMinus
	mov	a,r1
	clr	c
;	Peephole 236.l	used r3 instead of ar3
	subb	a,r3
	mov	r1,a
	mov	a,r2
;	Peephole 236.l	used r4 instead of ar4
	subb	a,r4
	mov	r2,a
;realloc.c:96: _sdcc_prev_memheader->len) >= size))
;     genPlus
;     genPlusIncr
	mov	dpl,__sdcc_prev_memheader
	mov	dph,(__sdcc_prev_memheader + 1)
	inc	dptr
	inc	dptr
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
;     genMinus
	mov	a,r1
	clr	c
;	Peephole 236.l	used r3 instead of ar3
	subb	a,r3
	mov	r1,a
	mov	a,r2
;	Peephole 236.l	used r4 instead of ar4
	subb	a,r4
	mov	r2,a
;     genCmpLt
;     genCmp
	clr	c
	mov	a,r1
	subb	a,_realloc_PARM_2
	mov	a,r2
	subb	a,(_realloc_PARM_2 + 1)
;     genIfxJump
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 160	removed sjmp by inverse jump logic
	jc	00104$
00128$:
;realloc.c:98: pnew = (MEMHEADER xdata * )((char xdata *)_sdcc_prev_memheader + _sdcc_prev_memheader->len);
;     genPlus
;     genPlusIncr
	mov	dpl,__sdcc_prev_memheader
	mov	dph,(__sdcc_prev_memheader + 1)
	inc	dptr
	inc	dptr
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
;     genPlus
;	Peephole 236.g	used r2 instead of ar2
	mov	a,r2
	add	a,__sdcc_prev_memheader
	mov	r2,a
;	Peephole 236.g	used r3 instead of ar3
	mov	a,r3
	addc	a,(__sdcc_prev_memheader + 1)
	mov	r3,a
;realloc.c:99: _sdcc_prev_memheader->next = pnew;
;     genAssign
	mov	dpl,__sdcc_prev_memheader
	mov	dph,(__sdcc_prev_memheader + 1)
;     genPointerSet
;     genFarPointerSet
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
;realloc.c:100: memmove(pnew, pthis, pthis->len);
;     genCast
	mov	ar4,r2
	mov	ar5,r3
	mov	r6,#0x0
;     genCast
	mov	_memmove_PARM_2,_realloc_pthis_1_1
	mov	(_memmove_PARM_2 + 1),(_realloc_pthis_1_1 + 1)
	mov	(_memmove_PARM_2 + 2),#0x0
;     genPlus
;     genPlusIncr
	mov	dpl,_realloc_pthis_1_1
	mov	dph,(_realloc_pthis_1_1 + 1)
	inc	dptr
	inc	dptr
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	_memmove_PARM_3,a
	inc	dptr
	movx	a,@dptr
	mov	(_memmove_PARM_3 + 1),a
;     genCall
	mov	dpl,r4
	mov	dph,r5
	mov	b,r6
	push	ar2
	push	ar3
	lcall	_memmove
	pop	ar3
	pop	ar2
;realloc.c:101: pnew->len = size;
;     genPlus
;     genPlusIncr
	mov	dpl,r2
	mov	dph,r3
	inc	dptr
	inc	dptr
;     genPointerSet
;     genFarPointerSet
	mov	a,_realloc_PARM_2
	movx	@dptr,a
	inc	dptr
	mov	a,(_realloc_PARM_2 + 1)
	movx	@dptr,a
;realloc.c:102: ret = MEM(pnew);
;     genPlus
;     genPlusIncr
	mov	a,#0x04
;	Peephole 236.a	used r2 instead of ar2
	add	a,r2
	mov	r7,a
;	Peephole 181	changed mov to clr
	clr	a
;	Peephole 236.b	used r3 instead of ar3
	addc	a,r3
	mov	r0,a
;	Peephole 112.b	changed ljmp to sjmp
	sjmp	00115$
00104$:
;realloc.c:106: ret = malloc(size - HEADER_SIZE);
;     genMinus
;     genMinusDec
	mov	a,_realloc_PARM_2
	add	a,#0xfc
	mov	dpl,a
	mov	a,(_realloc_PARM_2 + 1)
	addc	a,#0xff
	mov	dph,a
;     genCall
	lcall	_malloc
	mov	r7,dpl
	mov	r0,dph
;realloc.c:107: if (ret)
;     genIfx
	mov	a,r7
	orl	a,r0
;     genIfxJump
;	Peephole 110	removed ljmp by inverse jump logic
	jz	00115$
;	Peephole 300	removed redundant label 00129$
;realloc.c:109: memcpy(ret, MEM(pthis), pthis->len - HEADER_SIZE);
;     genCast
	mov	ar2,r7
	mov	ar3,r0
	mov	r4,#0x0
;     genPlus
;     genPlusIncr
	mov	a,#0x04
	add	a,_realloc_pthis_1_1
	mov	r5,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,(_realloc_pthis_1_1 + 1)
	mov	r6,a
;     genCast
	mov	_memcpy_PARM_2,r5
	mov	(_memcpy_PARM_2 + 1),r6
	mov	(_memcpy_PARM_2 + 2),#0x0
;     genPlus
;     genPlusIncr
	mov	dpl,_realloc_pthis_1_1
	mov	dph,(_realloc_pthis_1_1 + 1)
	inc	dptr
	inc	dptr
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;     genMinus
;     genMinusDec
	mov	a,r5
	add	a,#0xfc
	mov	_memcpy_PARM_3,a
	mov	a,r6
	addc	a,#0xff
	mov	(_memcpy_PARM_3 + 1),a
;     genCall
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	push	ar7
	push	ar0
	lcall	_memcpy
	pop	ar0
	pop	ar7
;realloc.c:110: free(p);
;     genCall
	mov	dpl,_realloc_p_1_1
	mov	dph,(_realloc_p_1_1 + 1)
	mov	b,(_realloc_p_1_1 + 2)
	push	ar7
	push	ar0
	lcall	_free
	pop	ar0
	pop	ar7
;	Peephole 112.b	changed ljmp to sjmp
	sjmp	00115$
00114$:
;realloc.c:118: ret = malloc(size);
;     genCall
	mov	dpl,_realloc_PARM_2
	mov	dph,(_realloc_PARM_2 + 1)
	lcall	_malloc
	mov	r7,dpl
	mov	r0,dph
00115$:
;realloc.c:121: return ret;
;     genRet
	mov	dpl,r7
	mov	dph,r0
;	Peephole 300	removed redundant label 00116$
	ret
	.area CSEG    (CODE)
	.area CONST   (CODE)
	.area XINIT   (CODE)
