diff options
Diffstat (limited to 'subx/ex6.subx')
| -rw-r--r-- | subx/ex6.subx | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/subx/ex6.subx b/subx/ex6.subx index 5e4f34f5..68dcb8be 100644 --- a/subx/ex6.subx +++ b/subx/ex6.subx @@ -6,9 +6,9 @@ # Hello, world! == 0x08048074 # code segment, after leaving room for ELF header and segment headers -# instruction effective address operand displacement immediate +# instruction effective address operand displacement immediate # op subop mod rm32 base index scale r32 -# 1-3 bytes 0/1/2/4 bytes 0/1/2/4 bytes +# 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes ## write(stdout, x, 1) # fd = 1 (stdout) @@ -19,13 +19,13 @@ ba 0x08049093/imm32 # copy to EDX 8b 0/mod/indirect 2/rm32/edx 2/r32/edx # copy *EDX to EDX # syscall = write - b8 4/imm32 # copy 4 to EAX + b8 4/imm32 # copy 4 to EAX # call - cd 0x80/imm8 # int 80h + cd 0x80/imm8 # int 80h ## exit(EBX) - b8 1/imm32 # copy 1 to EAX - cd 0x80/imm8 # int 80h + b8 1/imm32 # copy 1 to EAX + cd 0x80/imm8 # int 80h == 0x08049093 # size of string |