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Update BAD_TYPECHECK to work on x86_64

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Message-ID: <ZUhn7LOcgLOJjKZr@jupiter.tail36e24.ts.net>
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Flavio Cruz 2023-11-05 23:13:32 -05:00 • committed by Samuel Thibault
parent f957f47df7
commit 5dd3bda59c
1 changed files with 3 additions and 6 deletions
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9
sysdeps/mach/mach_rpc.h
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@ -20,11 +20,8 @@
/* Macro used by MIG to cleanly check the type. */ /* Macro used by MIG to cleanly check the type. */
#define BAD_TYPECHECK(type, check) __glibc_unlikely (({ \ #define BAD_TYPECHECK(type, check) __glibc_unlikely (({ \
union { mach_msg_type_t t; uint32_t w; } _t, _c; \ union { mach_msg_type_t t; uintptr_t w; } _t, _c; \
_t.t = *(type); _c.t = *(check);_t.w != _c.w; })) _t.t = *(type); _c.t = *(check);_t.w != _c.w; }))
/* TODO: add this assertion for x86_64. */ _Static_assert (sizeof (uintptr_t) == sizeof (mach_msg_type_t),
#ifndef __x86_64__ "mach_msg_type_t needs to be the same size as uintptr_t");
_Static_assert (sizeof (uint32_t) == sizeof (mach_msg_type_t),
"mach_msg_type_t needs to be the same size as uint32_t");
#endif