From f921af270c01ee026e9dcaeb294ec7583b0b8454 Mon Sep 17 00:00:00 2001
From: PEDRO MARTINS E SA <pmes18@urquell>
Date: Mon, 18 Nov 2019 13:02:49 -0300
Subject: [PATCH] inicial
---
bin/meu_malloc.o | Bin 4632 -> 5208 bytes
includes/meu_malloc.h | 6 +--
lib/libmeu_malloc.a | Bin 4880 -> 5456 bytes
pseudoc.c | 22 +++------
src/meu_malloc.s | 106 +++++++++++++++++++++++++++++++-----------
src/teste.c | 39 ++++++++++++++--
teste | Bin 0 -> 12840 bytes
7 files changed, 123 insertions(+), 50 deletions(-)
create mode 100755 teste
diff --git a/bin/meu_malloc.o b/bin/meu_malloc.o
index ac9277b16f9a3439a70edb80832106d1c093bc78..4624a10edc2614cd913e8515fb2c9c669ba68f99 100644
GIT binary patch
literal 5208
zcmbW5Z-^V!7QpW`T^-lwHm!ds`W`Q<ZPD5$yKVjV`m$`?uAMlu-KA@5yKRk=?Cfsd
zOEMwJ^!?QqMjnJH3ZfrG)DI$p9~D6q5v|68A1Zz+C@6y1k|Nd*ve3eM&Yg3T$xQ+e
z?{@B=-#zEtbI#1Yx%AYu_0T#^6I?VgAvz<bLL7;9`jfIdDWYP7IAqj+Fq%yy7qFtf
z(fsHSFxoI=)Yos7d?>meW_eU^b|e}k(Uc3Pn`clm?O%#o^~d!SpU4$h#$Oe+ZAMtT
z8E6M<cls?sn)Ow~|0rr`v`FKxfjjIUN%@!bbp5K)_+v2ZUlHC=5KsNYs?mUFZ!mRg
z(eU?b-i-A?PXF(gw0|aQ-Idd=#@}`HIPHHLwX~MejG#YOJ*T%u+2~CD$J8UzX6krb
z;6Hjxv^E<4lpeJj^SY&db@2nxH0tN2*Zvt!0H&jHll0E29|D)A;bCt-i5ih3x=}yz
zGrRf3PU+^&hJU~2Z3s-y>4rb4M_cet&bLJ1vUIm~)_^!TUssIg)X(?{NMGCeiFTHQ
z<ZSAC=TciP-{`oo;h7gPlIHX(G_ahrn)a_opXkzr{AsNV{LM6~dXRI>@V2m~wKu2t
z(`@~JQsH1P9$#Bq>-8Re43`6`+1T`v^!y{!vFZ7_)YNP&Wz9~d_RWqCi#x<lv0bDO
zq^HuU1N&xU?YV=)Vpwclgnv6?TNh))!p#qhU%>1-aTnB@c4g!SsO5Hp3~TX3wUQH}
z=y;i;T`0J@cs1C3*R5k;B7f3GC%gsE8}pZ+N<!^<rZsxU=!9=3VEF#~<2Xo~zVD4e
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zV@+&QzSnO_{#ix-YvP|N{4()(6h1`u-&6Qz;={_iTZq4_@cW4GQ21`*`xGAJMH8nL
z{wT>WDSV#zlM1(qzoGC7@uwADBL2F<F+CA+t;~{IMZ|R~lH-WzoHJp8h`_r`Z;8O^
zu9hdkpJ<=+;ThstMd20VFDv{l;vXyg2N<LM9L$Fceh0|EQ22+$zgPHK$-@??U(Q$E
z%!*@|Ma`*EuUe~&3#fKswHvEFSluJaUct^-`O=ClmJ0SVR#3ZnK|hWMg_S;ha9Yex
z9h!sRO0kqLX7WqaWNi3_vol4fDE_gMFF2Wk>y|?hg@cKXU|^sJJB6wPhC9l;de#UC
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zvj3AJ&-Sk<ynR1F2cf9%_ZH%6T=yuP?-PF+U}wJ~&-Z}20rIXQ&-aqr0QnabdA_f_
zG(i46McxR)7atCgznA7QeUw5;t|5*mdvGTT0Ph#%+ero+&bMl3Gs!UL`)Q0g+PRzh
z*zmq%ek0A@NiB0;JM1URpy(ifM7;X1V$IG%TdM@^3im2b!H(CQf7V2N(XQDdo~>3z
zT+&4+>n&#r`I6HG@}(sggyp22%~qU~UDI~OE-gD?Banb~D2m_T#6T5u$#Ju#N$PNZ
znTOvgvfJRnE9N9T;c^Z)0+h{k6~6)csLT72-{Uso>Wy6|umJPnqOOno32mzSSrw2G
zRUf}sm7yr>|4Mq?sIqvL^o#$(NT9)SV*GduQsc*ax@r?OkDyT~yq|+nuk3>`(QkeD
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z{r7;OPb>#rS<cb=d>%1p|HCaEWh^3Fovy5_WCvg8PI%Py@y6TtQ$uH=oa2RpVNb3%
R0`I4Pp5i}EdfX`H#BVA`wS@ox
delta 1533
zcmZ{ke~3&`6vyv<Gk7zzv-8$0&uVSPnl;vsH-ijqGg|!d)_YjLveVLfI}N)r%nn0}
zRz1HqDV)->rHJA`KSDNT3!w-}`NtprAX>@KM2dUg9BaDeO!wY%KHqcBz4Pwty@>Qq
zJQ9({lpn3Xc8tclTXegD78aUw)AFvGCi{+JPEO0Zy+BrUSF5bwa}j1{Pg)+V(HpA6
zJStQ+u6)a#Qk4vrJ5}bP6|za64L0dLFLZlA(d|3(+S{x2p4X+bZogObL#!QW(lojk
z)=CjKKL^~B>e!g%8#=+e&G1FCMtI4VPA_=?X;+d~!x>lYx_P16P{N#V8(OPj+M2<C
zX38v>QCrhe1tS_u8HrfJG+15|N5W+3g_IGRz)CjQrW4FEH1wjeAtz<P68CaA<sK`k
z5?IP;c;c?|wx`otE}PjJn*$%*v#*4PO`;V`_>(BHM(7%@RxNVKr{A<h;chdW9<Fw`
zIFyo;g4%|BK;Sv#_XWNWdA+dB3FOrRzgXnm<d@LsHWrK(3SJ}MD)8sXHwyd}@?nzW
z3{78=A9nJ)hdB9&!a1Rl<iwOb6?i4`>jGDhKNffm^6#abzr`8~FG~f+ry&1Ep<mul
z8=%p{Zj(WUP}2VI;EvY{T^=>lf$AAS?Lr=RTK*GvBToqY0P+O_KgKzG2P=Vk6R^<R
z2i3mb=~g~p$Xab387oINb+%{n*5XW-<no=Hx3y)hoK<w!<F@eF7p59~^Yzh7K+Dvs
zn<(&$im>tPchMe#Ri?(+e|5~qW}YDzL*hZsSv?zntCqqtze?A@B{o|S@~g2O|LJgC
z;8U@4AFrw!5Y*|Y-gVSBf*M72kgH*tABx%EGwa2W_>uEPgO}wRoe2JbO2ZHi%p9en
zIv%sVY^{TAKpj`dydYBkgt$2>TQxWx2-4asR|76eRk)$Vz0F)>)*``AWwvKE_FWEh
zE8^0H;y2`AMZ|Lfg-39M3Fph;b460x?t&R3lhQyL<k@o81($i`g3oN}@WYH?((}>z
q5);w@JA?62QFn2-J-C*$FamdjQ#=>(u1>&@VBFj5$2<c4O3fdmM(}_D
diff --git a/includes/meu_malloc.h b/includes/meu_malloc.h
index 71a9f90..53a4615 100644
--- a/includes/meu_malloc.h
+++ b/includes/meu_malloc.h
@@ -9,10 +9,10 @@ void aloca_espaco(int tam_alloc);
void* alocaMem(int tam_alloc);
-//void arruma_heap();
+void arruma_heap();
-//void liberaMem(void* bloco);
+void liberaMem(void* bloco);
void print_mapa();
-#endif
+#endif
\ No newline at end of file
diff --git a/lib/libmeu_malloc.a b/lib/libmeu_malloc.a
index 3416b0109e8268ca82e7e377514ba356f9416e97..c0a3011798857345f00bccd609e9428b9a54909f 100644
GIT binary patch
literal 5456
zcmbW5U5Fdk6@c$p*<_+NYuQPPX&RzUY?HXQq+S0ssiS3;^~R&jtatIouD!7<kF>M9
zYPA|M(ztEf#D)n0p@bGf`VdOehY|vQOfZCm5E{3tp${&7F*MLp2z8JtaUaTp4cl|>
zoFk3yN>FmwbAP^j{_fS>t0Rv+ZF{BF$#^>1Uow$l*pJr9<oE<joQn$~?t$myVNbbQ
zE|u+E#Vy%Ot|ykuRl8Dtu?K9NDLD0-U2=sS%sOkr_B?;hF049sO;pN7$Fq^vymGZs
zShH)k5NnPPy$WcjT#TP1!qB799y)M9uIAuG=1JK}o{L|Yv7X(cX%KQ)G%+c9Bc?)}
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zar_SP8HHaa{;0yQ5}#K1<8rKt?aKT5cas05BL6qye^mG_;vXn{gzSH)@EyeCir<~Y
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delta 1554
zcmZ{kU1$?Q5XX0OjlHBvdQBr|O0BfDwWjJNDveSTsfwK5p{*a-P{ohnH)^#;Uo5Gd
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z`h0;0?NOa$$&f2m{eJ!i%=o6kt5PjI*^Uc~4}CA&>tLcXi`@WiN_n{6q4}%lntJF~
zR5#CRFj87hYj0gwB+9RivbeXEE10#r;A>fvXAO2<0kL45US&6n3O&IF&sF44As39h
zuK3_nFzGrVL8LtC8t}mmwq26o8jmFS#I|jIh=h`!Vf$7lq#5>x;^U)u@ATjvV2vB#
bUZ~M?L$;?N=U^lh_nhVbc4j?nib;O}6PE-t
diff --git a/pseudoc.c b/pseudoc.c
index 25d5a2c..e7fee05 100644
--- a/pseudoc.c
+++ b/pseudoc.c
@@ -70,12 +70,10 @@ void* alocaMem(int tam_alloc)
}
else
{
- if (endr == teto_heap)
- {
- aloca_espaco(tam_alloc);
- (endr) = 0;
- 8(endr) = tam_alloc;
- }
+ endr = teto_heap;
+ aloca_espaco(tam_alloc);
+ (endr) = 0;
+ 8(endr) = tam_alloc;
}
break;
}
@@ -86,23 +84,15 @@ void* alocaMem(int tam_alloc)
return (endr + 16);
}
-
-
- cmpq $LIVRE, %rbx
- jne fim_if_aloca_mem
-
-
-
void arruma_heap()
{
- if (piso_heap == 1)
- return;
+ void *endr_ant, endr;
endr_ant = piso_heap;
endr = piso_heap + 8(endr_ant) + 16;
while (endr < teto_heap)
{
- if ((endr == 1) && (endr_ant == 1))
+ if ((endr == 1) && ((endr_ant) == 1))
8(endr_ant) += 8(endr) + 16;
else
endr_ant = endr;
diff --git a/src/meu_malloc.s b/src/meu_malloc.s
index e59e0c8..629b691 100644
--- a/src/meu_malloc.s
+++ b/src/meu_malloc.s
@@ -8,8 +8,9 @@
str5: .string "INICIANDO O ALOCADOR\n"
pula_Linha: .string "\n"
- flag: .string "%d\n" #############APAGARRRRRRRR##########
- oi: .string "oi\n" #############APAGARRRRRRRR##########
+ flag: .string "%d"
+ flaag: .string "%d, %d \n" #############APAGARRRRRRRR##########
+ oi: .string "oi\n" #############APAGARRRRRRRR##########
.section .bss
.equ ALOCADOR, 1040
@@ -75,7 +76,13 @@ finalizaAlocador:
aloca_espaco:
pushq %rbp
movq %rsp, %rbp
- #traducao nao feita
+
+ movq %rdi, %rax
+ addq $16, %rax
+ addq %rax, teto_heap
+ movq teto_heap, %rdi
+ movq $12, %rax
+ syscall
popq %rbp
ret
@@ -86,11 +93,6 @@ alocaMem:
subq $8, %rsp #aloca espaco para endr
movq %rdi, %r12 #r12 = ponteiro alocado
-
- #movq $flag, %rdi
- #movq %r12, %rsi
- #call printf
-
movq piso_heap, %rbx
cmpq $0, %rbx
jne fim_if_aloca_mem
@@ -108,22 +110,22 @@ alocaMem:
jl else_if_aloca_mem2
addq $16, %r12 #8(endr) -= tam_alloc + 16
subq %r12, 8(%rbx)
-
- addq $16, 8(%rbx) #endr += 8(endr) + 16
- addq 8(%rbx), %rbx
-
+ movq 8(%rbx), %r13
+ subq $16, %r12
+ addq $16, %r13 #endr += 8(endr) + 16
+ addq %r13, %rbx
movq $OCUPADO, (%rbx)
- movq %r12, 8(%rbx)
-
+ movq %r12, 8(%rbx)
jmp fim_if_aloca_mem2
else_if_aloca_mem2:
- cmpq teto_heap, %rbx
- jne fim_if_aloca_mem2
- pushq %r12
- call aloca_espaco
- movq $OCUPADO,(%rbx)
- movq %r12, 8(%rbx)
- jmp fim_if_aloca_mem2
+ movq teto_heap,%rbx
+ movq %r12, %r15
+ pushq %r12
+ call aloca_espaco
+ popq %r12
+ movq $OCUPADO,(%rbx)
+ movq %r15, 8(%rbx)
+ jmp fim_if_aloca_mem2
fim_if_aloca_mem2:
jmp fim_while_aloca_mem
@@ -144,14 +146,59 @@ alocaMem:
arruma_heap:
pushq %rbp
movq %rsp, %rbp
- #traducao nao feita
+ subq $16, %rsp
+
+ movq piso_heap, %r10
+ movq %r10, -8(%rbp) #endr_ant = piso_heap
+ movq -8(%rbp), %rax
+
+ movq piso_heap, %rbx
+ addq $16, %rbx
+ addq 8(%rax), %rbx
+ movq %rbx, -16(%rbp) #endr = piso_heap + tam_piso + 16
+
+ while_arruma_heap:
+ cmpq teto_heap, %rbx
+ jge fim_while_arruma_heap
+ cmpq $1, (%rbx)
+ jne else_if_arruma_heap
+ cmpq $1, (%rax)
+ jne else_if_arruma_heap
+ movq 8(%rbx), %r10
+
+ addq %r10, 8(%rax)
+ addq $16, 8(%rax)
+
+ jmp fim_if_arruma_heap
+ else_if_arruma_heap:
+ movq %rbx, %rax
+ jmp fim_if_arruma_heap
+ fim_if_arruma_heap:
+
+ movq 8(%rbx), %r13
+ addq $16, %r13
+ addq %r13, %rbx
+
+ jmp while_arruma_heap
+ fim_while_arruma_heap:
+
+ #movq $flaag, %rdi
+ #movq (%rax), %rsi
+ #movq (%rbx), %rdx
+ #call printf
+
+ addq $16, %rsp
popq %rbp
ret
#---------------------------------------------------------------------#
liberaMem:
pushq %rbp
movq %rsp, %rbp
- #traducao nao feita
+
+ movq %rdi, %rbx
+ movq $LIVRE, -16(%rbx)
+ call arruma_heap
+
popq %rbp
ret
#---------------------------------------------------------------------#
@@ -184,9 +231,10 @@ print_mapa:
addq $1, %r12
jmp for_cabecalho
fim_for_cabecalho:
- #movq flag,%rdi
- #movq 8(%rbx),%rsi
- #call printf
+
+ movq $flag,%rdi
+ movq 8(%rbx),%rsi
+ call printf
cmpq $LIVRE, (%rbx)
jne else_if_while
@@ -216,8 +264,10 @@ print_mapa:
jmp fim_if_while
fim_if_while:
- addq $16, 8(%rbx)
- addq 8(%rbx), %rbx
+ movq 8(%rbx), %r13
+ addq $16, %r13
+ addq %r13, %rbx
+
jmp while_loop
fim_while_loop:
diff --git a/src/teste.c b/src/teste.c
index 8d5cbb7..7ca01d9 100644
--- a/src/teste.c
+++ b/src/teste.c
@@ -1,13 +1,46 @@
#include <meu_malloc.h>
+#include <stdio.h>
int main()
{
- void* x;
+ void *w, *x, *y, *z;
iniciaAlocador();
- x = alocaMem(1024);
print_mapa();
- finalizaAlocador();
+ printf("\n");
+ w = alocaMem(100);
+ print_mapa();
+ printf("\n");
+ x = alocaMem(200);
+ print_mapa();
+ printf("\n");
+ y = alocaMem(300);
+ print_mapa();
+ printf("\n");
+ z = alocaMem(400);
+ print_mapa();
+ printf("\n");
+ liberaMem(x);
+ print_mapa();
+
+ x = alocaMem(50);
+ print_mapa();
+ printf("\n");
+
+ printf("\n");
+ liberaMem(y);
+ print_mapa();
+ printf("\n");
+ liberaMem(w);
+ print_mapa();
+ printf("\n");
+ liberaMem(x);
+ print_mapa();
+ printf("\n");
+ liberaMem(z);
+ print_mapa();
+ printf("\n");
+
return (0);
}
diff --git a/teste b/teste
new file mode 100755
index 0000000000000000000000000000000000000000..a62e04207aa5ce53ce47c638b817124e16b7bbc3
GIT binary patch
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HcmV?d00001
--
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