libthread: use consistent stack calculation code in makecontext

Also reduce duplication: makecontext is per-arch not per-os-arch.

May fix #353.

1 files changed, 0 insertions, 24 deletions

diff --git a/src/libthread/Linux-arm-swapcontext.c b/src/libthread/Linux-arm-swapcontext.c
deleted file mode 100644
index fc0dfdda..00000000
--- a/src/libthread/Linux-arm-swapcontext.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "threadimpl.h"
-
-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.arm_r0)[i] = va_arg(arg, uint);
-	va_end(arg);
-	uc->uc_mcontext.arm_sp = (uint)sp;
-	uc->uc_mcontext.arm_lr = (uint)fn;
-}
-
-int
-swapcontext(ucontext_t *oucp, const ucontext_t *ucp)
-{
-	if(getcontext(oucp) == 0)
-		setcontext(ucp);
-	return 0;
-}