Messages in this thread | | | Date | Fri, 20 Sep 2002 23:19:46 -0700 | From | Richard Henderson <> | Subject | Re: Syscall changes registers beyond %eax, on linux-i386 |
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On Fri, Sep 20, 2002 at 01:32:05AM -0700, george anzinger wrote: > So, is there a problem? Yes, neither the call stub macros > in asm/unistd.h nor those in glibc bother to list the used > registers beyond the third ":".
No, this is not the real problem. The real problem is that if the program receives a signal during a system call, the kernel will return all the way up to entry.S, deliver the signal and then restart the syscall.
Except the syscall will restart with the corrupted registers.
Hilarity ensues.
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