diff options
| author |   rahnds <rahnds@openbsd.org> | 1999-04-21 03:45:21 +0000 |
|---|---|---|
| committer | rahnds <rahnds@openbsd.org> | 1999-04-21 03:45:21 +0000 |
| commit | 717fdc25e242c1c88545298850224f87e693a1f9 (patch) | |
| tree | f80a17a846ba3c9ea60d845995a13f016a0adfde /lib/libpthread | |
| parent | Fix the _THREAD_SAFE path through the cerror code for powerpc. (diff) | |
| download | wireguard-openbsd-717fdc25e242c1c88545298850224f87e693a1f9.tar.xz wireguard-openbsd-717fdc25e242c1c88545298850224f87e693a1f9.zip | |
First cut at powerpc support for uthread. Not complete.
Diffstat (limited to 'lib/libpthread')
| -rw-r--r-- | lib/libpthread/arch/powerpc/uthread_machdep.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/libpthread/arch/powerpc/uthread_machdep.h b/lib/libpthread/arch/powerpc/uthread_machdep.h index 3da9b3e0ddf..bd713b5ff0e 100644 --- a/lib/libpthread/arch/powerpc/uthread_machdep.h +++ b/lib/libpthread/arch/powerpc/uthread_machdep.h @@ -1,7 +1,7 @@ /* * OpenBSD/powerpc machine-dependent thread macros * - * $OpenBSD: uthread_machdep.h,v 1.2 1999/01/17 23:49:49 d Exp $ + * $OpenBSD: uthread_machdep.h,v 1.3 1999/04/21 03:45:21 rahnds Exp $ */ /* save the floating point state of a thread */ @@ -16,10 +16,22 @@ /* rahnds to fill in */ \ } +#define JMP_r1 (0x04/4) +#define JMP_lr (0x50/4) /* initialise the jmpbuf stack frame so it continues from entry */ #define _thread_machdep_thread_create(thr, entry, pattr) \ { \ - /* rahnds to fill in */ \ + (thr)->saved_jmp_buf[JMP_lr] = \ + (unsigned int) entry; \ + (thr)->saved_jmp_buf[JMP_r1] = \ + ((unsigned int) (thr)->stack \ + + (pattr)->stacksize_attr \ + - 0x4) & ~0xf; \ + { \ + unsigned int *pbacklink = \ + (thr)->saved_jmp_buf[JMP_r1]; \ + *pbacklink = 0; \ + } \ } #define _thread_machdep_longjmp(a,v) longjmp(a,v) |