diff options
| -rw-r--r-- | libgo/runtime/proc.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libgo/runtime/proc.c b/libgo/runtime/proc.c index c4f27fb6bbb..da0f2ed3a75 100644 --- a/libgo/runtime/proc.c +++ b/libgo/runtime/proc.c @@ -126,6 +126,30 @@ fixcontext(ucontext_t* c) c->uc_mcontext._mc_tlsbase = tlsbase; } +# elif defined(__sparc__) + +static inline void +initcontext(void) +{ +} + +static inline void +fixcontext(ucontext_t *c) +{ + /* ??? Using + register unsigned long thread __asm__("%g7"); + c->uc_mcontext.gregs[REG_G7] = thread; + results in + error: variable ‘thread’ might be clobbered by \ + ‘longjmp’ or ‘vfork’ [-Werror=clobbered] + which ought to be false, as %g7 is a fixed register. */ + + if (sizeof (c->uc_mcontext.gregs[REG_G7]) == 8) + asm ("stx %%g7, %0" : "=m"(c->uc_mcontext.gregs[REG_G7])); + else + asm ("st %%g7, %0" : "=m"(c->uc_mcontext.gregs[REG_G7])); +} + # else # error unknown case for SETCONTEXT_CLOBBERS_TLS |