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Get setcontext() and getcontext() working on Aarch64

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This change also adds the missing code for getting and restoring the
thread's signal mask, since that's explicitly listed by the man page
This commit is contained in:
Justine Tunney 2023-07-01 22:42:58 -07:00
parent 8b62bff364
commit 7ec84655b4
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GPG key ID: BE714B4575D6E328
7 changed files with 182 additions and 13 deletions
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8
libc/calls/struct/ucontext.internal.h
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@ -5,6 +5,14 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#ifdef __x86_64__
#define SP rsp
#elif defined(__aarch64__)
#define SP sp
#else
#error "unsupported architecture"
#endif
void _ntcontext2linux(struct ucontext *, const struct NtContext *) _Hide;
void _ntlinux2context(struct NtContext *, const ucontext_t *) _Hide;