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Fix C stack remaining check in MODE=tiny

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This commit is contained in:
Justine Tunney 2022-07-14 07:23:15 -07:00
parent bcdd5c5f74
commit 28b9d9f781
5 changed files with 11 additions and 7 deletions
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7
libc/runtime/stack.h
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@ -121,6 +121,13 @@ extern char ape_stack_align[] __attribute__((__weak__));
vAddr; \
})
/**
* Returns true if at least `n` bytes of stack are available.
*/
#define HaveStackMemory(n) \
(IsTiny() || \
(intptr_t)__builtin_frame_address(0) >= GetStackAddr() + PAGESIZE * (n))
COSMOPOLITAN_C_END_
#endif /* GNU ELF */
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */