On 07/02/2013 08:30 PM, Fox Fossati wrote: > Hi! I have a problem with GDB and i don't know if is a bug or maybe i made a > mistake > I'm using the last GDB 7.6 on Linux Mint Debian and i'm tryng some easy > example of cpuid from the book: > Professional Assembly Language of Richard Blum. > > The problem is that when i put a breakpoint after the nop instruction, for > example > break *_start+1
Note that with modern GDBs you no longer need the +1 trick. GDB will nowadays stop for a breakpoint at _start. > and then i run the program, i have this error: > > Warning: > Cannot insert breakpoint 1. > Error accessing memory address : Input/output error. > > If i run without breakpoints the program ends end exit without problems > so...i think there isnt any error > in the code that i copyied and pasted from the book. Impossible to say what's going on without more info... At least paste the whole GDB session. -- Pedro Alves _______________________________________________ bug-gdb mailing list bug-gdb@gnu.org https://lists.gnu.org/mailman/listinfo/bug-gdb
