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author | Matt Fleming <matt@console-pimps.org> | 2009-10-10 17:17:06 +0200 |
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committer | Matt Fleming <matt@console-pimps.org> | 2009-10-11 18:12:32 +0200 |
commit | c2d474d6f8b48b6698343cfc1a3630c4647aa7b2 (patch) | |
tree | 714791c763d1547dcb0faf2095876949abfcef03 /arch/sh/kernel/dwarf.c | |
parent | sh: Fix memory leak in dwarf_unwind_stack() (diff) | |
download | linux-c2d474d6f8b48b6698343cfc1a3630c4647aa7b2.tar.xz linux-c2d474d6f8b48b6698343cfc1a3630c4647aa7b2.zip |
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>
Diffstat (limited to 'arch/sh/kernel/dwarf.c')
-rw-r--r-- | arch/sh/kernel/dwarf.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index ce8bff45d72c..f242cd120cf1 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -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); |