[bug #59539] Detect aarch64 as 64-bit for mach/darwin

[Bruno Haible]

Follow-up Comment #6, bug #59539 (project libsigsegv):

Thank you for the logs.

"Exception: 0x1 Code: 0x103" means "SP alignment fault".

Can you, in handler-macos.c, around line 270, replace

#if defined __x86_64__ || defined __i386__
      new_safe_esp &= -16; /* align */
      new_safe_esp -= sizeof (void *); /* make room for (unused) return
address slot */
#endif

with

#if defined __aarch64__ || defined __x86_64__ || defined __i386__
      new_safe_esp &= -16; /* align */
#endif
#if defined __x86_64__ || defined __i386__
      new_safe_esp -= sizeof (void *); /* make room for (unused) return
address slot */
#endif


and repeat the "make check" for stackoverflow1 ?

If that doesn't succeed, try this:


#if defined __aarch64__ || defined __x86_64__ || defined __i386__
      new_safe_esp &= -16; /* align */
      new_safe_esp -= sizeof (void *); /* make room for (unused) return
address slot */
#endif



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