subject:"\[9fans\] MOVBLSX"

Re: [9fans] MOVBLSX

2008-05-05 Thread Charles Forsyth

move byte to long with sign extension

[9fans] MOVBLSX

2008-05-05 Thread Anant Narayanan

Hi, I can't go beyond executing a 'Hello World' Plan 9 x86 executable in Linux, because most executables (I tried 8c and echo) use the MOVBLSX instruction. Whenever we hit that instruction, the program segfaults. What does MOVBLSX do? I looked up the opcode in the executable - 0x10 - whi