Re: getting at raw command line
Lukas <[email protected]>
| Newsgroups | gmane.linux.assembly |
|---|---|
| Message-ID | <[email protected]> |
of course in last line of "code" ;) should be %ebx=42 regards Lukas --- Lukas <[email protected]> wrote: > As i said, when you start program 'p whatever ' %esp > points place on stack where number of parameters was > put ex. > $p 1 2 3 -> movl (%esp),%ecx => %ecx=3 ) > > next (%esp+4) adress of program name ex. > > $/home/usr/bin/p 1 2 3 -> (%esp+4) adres of string > "/home/usr/bin/p" > > (%esp+8)(+16 if you have 64-bit arch) adress of text > string of first parameter, so if you write > > $ p * -> movl (%esp+8),%ecx / movq (%rsp+16),%rcx > movl (%ecx),%ebx / movq (%rcx),%rbx > %ecx=42 ( '*' ) > so now you can do with it whatever you want ( write > using SYS_WRITE, printf etc ) > Lukas > > > --- Jack Andrews <[email protected]> wrote: > > > the shell changes arguments like * to a number of > > arguments. is there > > a way to get the *? that is, if my program is p, > i > > want this > > behaviour: > > > > $ ls > > file.1 file.2 > > $ ls * > > file.1 file.2 > > $ p file.1 > > file.1 > > $ p * > > * > > > > i don't want > > > > $ p * > > file.1 file.2 > > - > > To unsubscribe from this list: send the line > > "unsubscribe linux-assembly" in > > the body of a message to [email protected] > > More majordomo info at > > http://vger.kernel.org/majordomo-info.html > > > > > > > ____________________________________________________________________________________ > Pinpoint customers who are looking for what you > sell. > http://searchmarketing.yahoo.com/ > - > To unsubscribe from this list: send the line > "unsubscribe linux-assembly" in > the body of a message to [email protected] > More majordomo info at > http://vger.kernel.org/majordomo-info.html > ____________________________________________________________________________________ Need a vacation? Get great deals to amazing places on Yahoo! Travel. http://travel.yahoo.com/ - To unsubscribe from this list: send the line "unsubscribe linux-assembly" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html