fin exo 4 avec premier assembleur manuel

Pierre Cwik
1 parent f9b47477
Showing 2 changed files with 69 additions and 1 deletions Show diff stats
answerstoquestions
premierass_embleur.s
@@ -174,7 +174,7 @@ main:
  
 rip (8 octets)
 rpb (8 octets)
-eax/1 (4 octets)
+eax/2 (4 octets)
 .. (4 octets)
 .. (4 octets)
 .. (4 octets)
@@ -230,6 +230,21 @@ main:
         .section        .note.GNU-stack,"",@progbits
  
  
+1 (4 octets)
+1 (4 octets)
+eip (4 octets)
+ebp (4 octets)
+-- (4 octets)
+-- (4 octets)
+eax/2 (4 octets)
+-- (4 octets)
+-- (4 octets)
+-- (4 octets)
+-- (4 octets)
+-- (4 octets)
+edx/2 (4 octets)
+eax/LCO (4 octets)
+        
  
  
  
@@ -0,0 +1,53 @@
+.section .rodata
+.LC0:
+ .string "%d\n"
+ .text
+ .globl multiplier
+ .type multiplier, @function
+multiplier:
+
+pushq %rbp
+movq %rsp, %rbp
+subq $48, %rsp
+movq %rdi, -32(%rbp)
+movq %rsi, -40(%rbp)
+cmpq $0, -32(%rbp)
+jne .L1
+movq $0, %rax
+jmp .L10
+.L1:
+cmpq $1, -32(%rbp)
+jne .L2
+movq -40(%rbp), %rax
+jmp .L10
+.L2:
+movq -40(%rbp), %rax
+subq $1, -32(%rbp)
+.L7:
+add -40(%rbp), %rax
+subq $1, -32(%rbp)
+cmpq $0, -32(%rbp)
+jne .L7
+.L10:
+leave
+ret
+
+ .globl main
+ .type main, @function
+main:
+pushq %rbp
+movq %rsp, %rbp
+subq $24, %rsp
+movq $10, -16(%rbp)
+movq $20, -24(%rbp)
+movq -16(%rbp), %rdi
+movq -24(%rbp), %rsi
+call multiplier
+movq %rax, -8(%rbp)
+movq -8(%rbp),%rsi
+movq $.LC0,%rdi
+movq $0, %rax
+call printf
+leave
+ret
+