introducao-a-assembly

diff --git a/exemplos/engenharia-reversa/convert.py b/exemplos/engenharia-reversa/convert.py
@@ -1,11 +0,0 @@
-#!python3
-
-START = 0x5fa # Start of the factorial function according to gdb
-END   = 0x625 # End of the factorial function according to gdb
-
-with open("exemplo.bin", "rb"), as machine_code:
-    bs = machine_code.read()[START:END]
-
-    with open("bin.txt", "w", encoding="utf8") as output:
-        output.write(" ".join([f"{byte:b}".zfill(8) for byte in bs]))
-

diff --git a/exemplos/engenharia-reversa/converte.py b/exemplos/engenharia-reversa/converte.py
@@ -0,0 +1,13 @@
+#!python3
+# Extrai o código de máquina (compilado pelo gcc) da função fatorial para um
+# arquivo de texto
+
+START = 0x5fa # Começo da função fatorial segundo o gdb
+END   = 0x625 # Fim    da função fatorial segundo o gdb
+
+with open("exemplo.bin", "rb"), as machine_code:
+    bs = machine_code.read()[START:END]
+
+    with open("bin.txt", "w", encoding="utf8") as output:
+        output.write(" ".join([f"{byte:b}".zfill(8) for byte in bs]))
+

diff --git a/exemplos/engenharia-reversa/example.bin b/exemplos/engenharia-reversa/exemplo.bin
Binary files differ.

diff --git a/exemplos/engenharia-reversa/example.c b/exemplos/engenharia-reversa/exemplo.c

diff --git a/exemplos/instrucoes-basicas/example.asm b/exemplos/instrucoes-basicas/example.asm
@@ -1,20 +0,0 @@
-mov dst, val ; dst = val
-mov rax, 42 ; rax = 42
-
-add dst, val ; dst += val
-add rbx, rcx ; rbx += rcx
-
-sub dst, val ; dst -= val
-sub rbx, rcx ; rbx -= rcx
-
-mul val ; rax *= val
-mul rbx ; rax *= rbx
-
-div val ; rdx = rax % val, rax //= val
-div rcx ; rdx = rax % rcx, rax //= rcx
-
-push val ; stack += [val]
-push rax ; stack += [rax]
-
-pop dst ; dst = stack[-1], stack = stack[:-1]
-pop rax ; rax = stack[-1], stack = stack[:-1]-
\ No newline at end of file

diff --git a/exemplos/instrucoes-basicas/exemplo.asm b/exemplos/instrucoes-basicas/exemplo.asm
@@ -0,0 +1,21 @@
+mov dst, val ; dst = val
+mov rax, 42  ; rax = 42
+
+add dst, val ; dst += val
+add rbx, rcx ; rbx += rcx
+
+sub dst, val ; dst -= val
+sub rbx, rcx ; rbx -= rcx
+
+mul val ; rax *= val
+mul rbx ; rax *= rbx
+
+div val ; rdx = rax % val, rax //= val
+div rcx ; rdx = rax % rcx, rax //= rcx
+
+push val ; stack += [val]
+push rax ; stack += [rax]
+
+pop dst ; dst = stack[-1], stack = stack[:-1]
+pop rax ; rax = stack[-1], stack = stack[:-1]
+

diff --git a/exemplos/modularizacao/example.asm b/exemplos/modularizacao/exemplo.asm

diff --git a/exemplos/modularizacao/exemplo.py b/exemplos/modularizacao/exemplo.py
@@ -2,4 +2,5 @@ rax = rbx = rcx = None
 rax = f(rbx) + f(rcx)
 
 def f(n):
-    ...-
\ No newline at end of file
+    ...
+