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sh: Remove any reference to recursive functions from comments 

Originally, dwarf_unwind_stack() was a recursive function and it seems
that some of the old comments were never updated.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
This commit is contained in:
Matt Fleming 2009-10-10 16:17:06 +01:00
parent ed4fe7f488
commit c2d474d6f8
1 changed files with 11 additions and 11 deletions
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22
arch/sh/kernel/dwarf.c
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@ -540,7 +540,8 @@ void dwarf_free_frame(struct dwarf_frame *frame)
}
/**
* dwarf_unwind_stack - recursively unwind the stack
* dwarf_unwind_stack - unwind the stack
*
* @pc: address of the function to unwind
* @prev: struct dwarf_frame of the previous stackframe on the callstack
*
@ -558,9 +559,9 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
unsigned long addr;
/*
* If this is the first invocation of this recursive function we
* need get the contents of a physical register to get the CFA
* in order to begin the virtual unwinding of the stack.
* If we're starting at the top of the stack we need get the
* contents of a physical register to get the CFA in order to
* begin the virtual unwinding of the stack.
*
* NOTE: the return address is guaranteed to be setup by the
* time this function makes its first function call.
@ -582,9 +583,8 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
fde = dwarf_lookup_fde(pc);
if (!fde) {
/*
* This is our normal exit path - the one that stops the
* recursion. There's two reasons why we might exit
* here,
* This is our normal exit path. There are two reasons
* why we might exit here,
*
* a) pc has no asscociated DWARF frame info and so
* we don't know how to unwind this frame. This is
@ -626,10 +626,10 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
} else {
/*
* Again, this is the first invocation of this
* recurisve function. We need to physically
* read the contents of a register in order to
* get the Canonical Frame Address for this
* Again, we're starting from the top of the
* stack. We need to physically read
* the contents of a register in order to get
* the Canonical Frame Address for this
* function.
*/
frame->cfa = dwarf_read_arch_reg(frame->cfa_register);