Commit-ID: aa5add93e92019018e905146f8c3d3f8e3c08300 Gitweb: http://git.kernel.org/tip/aa5add93e92019018e905146f8c3d3f8e3c08300 Author: Masami Hiramatsu <mhiramat@xxxxxxxxxx> AuthorDate: Tue, 5 Jan 2010 17:46:56 -0500 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Wed, 13 Jan 2010 10:09:12 +0100 x86/ptrace: Remove unused regs_get_argument_nth API Because of dropping function argument syntax from kprobe-tracer, we don't need this API anymore. Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Cc: systemtap <systemtap@xxxxxxxxxxxxxxxxxx> Cc: DLE <dle-develop@xxxxxxxxxxxxxxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Roland McGrath <roland@xxxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Mahesh Salgaonkar <mahesh@xxxxxxxxxxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Michael Neuling <mikey@xxxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: linuxppc-dev@xxxxxxxxxx LKML-Reference: <20100105224656.19431.92588.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/include/asm/ptrace.h | 4 ---- arch/x86/kernel/ptrace.c | 24 ------------------------ 2 files changed, 0 insertions(+), 28 deletions(-) diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 9d369f6..2010280 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -274,10 +274,6 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, return 0; } -/* Get Nth argument at function call */ -extern unsigned long regs_get_argument_nth(struct pt_regs *regs, - unsigned int n); - /* * These are defined as per linux/ptrace.h, which see. */ diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 017d937..73554a3 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -140,30 +140,6 @@ static const int arg_offs_table[] = { #endif }; -/** - * regs_get_argument_nth() - get Nth argument at function call - * @regs: pt_regs which contains registers at function entry. - * @n: argument number. - * - * regs_get_argument_nth() returns @n th argument of a function call. - * Since usually the kernel stack will be changed right after function entry, - * you must use this at function entry. If the @n th entry is NOT in the - * kernel stack or pt_regs, this returns 0. - */ -unsigned long regs_get_argument_nth(struct pt_regs *regs, unsigned int n) -{ - if (n < ARRAY_SIZE(arg_offs_table)) - return *(unsigned long *)((char *)regs + arg_offs_table[n]); - else { - /* - * The typical case: arg n is on the stack. - * (Note: stack[0] = return address, so skip it) - */ - n -= ARRAY_SIZE(arg_offs_table); - return regs_get_kernel_stack_nth(regs, 1 + n); - } -} - /* * does not yet catch signals sent when the child dies. * in exit.c or in signal.c. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html