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| author | Russ Cox <rsc@swtch.com> | 2020-01-19 22:39:22 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2020-01-19 23:04:58 -0500 |
| commit | 41b3e8b9893a8561af7e85ca98444bc284b4013d (patch) | |
| tree | e9bf7fdeefbdb7d2e6c1ebc25c7888b81f0bb16b /src/libthread/NetBSD.c | |
| parent | ac8042dfa9819f76ccfedd4aa36c1239322808b8 (diff) | |
| download | plan9port-41b3e8b9893a8561af7e85ca98444bc284b4013d.tar.gz plan9port-41b3e8b9893a8561af7e85ca98444bc284b4013d.zip | |
libthread: use consistent stack calculation code in makecontext
Also reduce duplication: makecontext is per-arch not per-os-arch.
May fix #353.
Diffstat (limited to 'src/libthread/NetBSD.c')
| -rw-r--r-- | src/libthread/NetBSD.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/libthread/NetBSD.c b/src/libthread/NetBSD.c index 31577e87..2b14146b 100644 --- a/src/libthread/NetBSD.c +++ b/src/libthread/NetBSD.c @@ -435,28 +435,3 @@ _threadpexit(void) { _exit(0); } - -#ifdef __arm__ -void -makecontext(ucontext_t *uc, void (*fn)(void), int argc, ...) -{ - int i, *sp; - va_list arg; - - sp = (int*)uc->uc_stack.ss_sp+uc->uc_stack.ss_size/4; - va_start(arg, argc); - for(i=0; i<4 && i<argc; i++) - uc->uc_mcontext.gregs[i] = va_arg(arg, uint); - va_end(arg); - uc->uc_mcontext.gregs[13] = (uint)sp; - uc->uc_mcontext.gregs[14] = (uint)fn; -} - -int -swapcontext(ucontext_t *oucp, const ucontext_t *ucp) -{ - if(getcontext(oucp) == 0) - setcontext(ucp); - return 0; -} -#endif |