Kent Brinkley wrote:
> What is the common_magic number used in for example in mips_m4k.h
I recommend using git grep:
$ git grep -n MIPSM4K_COMMON_MAGIC
mips_m4k.c:916: mips_m4k->common_magic = MIPSM4K_COMMON_MAGIC;
mips_m4k.c:1033: if (mips_m4k->common_magic != MIPSM4K_COMMON_MAGIC) {
mips_m4k.h:31:#define MIPSM4K_COMMON_MAGIC 0xB321B321
$
And then looking at those places in the source. The first is in
static int mips_m4k_init_arch_info() which initializes a struct
mips_m4k_common.
The second is in static int mips_m4k_verify_pointer() which uses this
magic value to verify that a particular pointer likely points to a
struct mips_m4k_common which was initialized by the first function.
I agree that this kind of self-verification is a bit unusual, but oh
well.
//Peter
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