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>
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@ -540,7 +540,8 @@ void dwarf_free_frame(struct dwarf_frame *frame)
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}
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/**
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* dwarf_unwind_stack - recursively unwind the stack
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* dwarf_unwind_stack - unwind the stack
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*
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* @pc: address of the function to unwind
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* @prev: struct dwarf_frame of the previous stackframe on the callstack
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*
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@ -558,9 +559,9 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
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unsigned long addr;
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/*
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* If this is the first invocation of this recursive function we
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* need get the contents of a physical register to get the CFA
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* in order to begin the virtual unwinding of the stack.
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* If we're starting at the top of the stack we need get the
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* contents of a physical register to get the CFA in order to
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* begin the virtual unwinding of the stack.
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*
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* NOTE: the return address is guaranteed to be setup by the
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* time this function makes its first function call.
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@ -582,9 +583,8 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
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fde = dwarf_lookup_fde(pc);
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if (!fde) {
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/*
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* This is our normal exit path - the one that stops the
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* recursion. There's two reasons why we might exit
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* here,
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* This is our normal exit path. There are two reasons
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* why we might exit here,
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*
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* a) pc has no asscociated DWARF frame info and so
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* we don't know how to unwind this frame. This is
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@ -626,10 +626,10 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
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} else {
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/*
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* Again, this is the first invocation of this
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* recurisve function. We need to physically
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* read the contents of a register in order to
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* get the Canonical Frame Address for this
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* Again, we're starting from the top of the
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* stack. We need to physically read
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* the contents of a register in order to get
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* the Canonical Frame Address for this
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* function.
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*/
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frame->cfa = dwarf_read_arch_reg(frame->cfa_register);
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