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syscall_set_arguments
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
Sommaire
NAME
syscall_set_arguments - change system call parameter valueSYNOPSIS
- void syscall_set_arguments(struct task_struct * task, struct pt_regs * regs, unsigned int i, unsigned int n, const unsigned long * args);
ARGUMENTS
task
- task of interest, must be in system call entry tracing
regs
task_pt_regs of task
i
- argument index [0,5]
n
- number of arguments; n+i must be [1,6].
args
- array of argument values to store
DESCRIPTION
Changes n arguments to the system call starting with the i'th argument. Argument i gets value args[0], and so on. An arch inline version is probably optimal when i and n are constants.
It's only valid to call this when task is stopped for tracing on entry to a system call, due to TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT. It's invalid to call this with i + n > 6; we only support system calls taking up to 6 arguments.
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