--- cvsroot/libcoro/coro.c 2008/04/24 12:40:38 1.31 +++ cvsroot/libcoro/coro.c 2008/07/16 00:47:05 1.32 @@ -122,12 +122,12 @@ #endif #if CORO_ASM -void __attribute__((__noinline__, __fastcall__)) +void __attribute__((__noinline__, __regparm__(2))) coro_transfer (struct coro_context *prev, struct coro_context *next) { asm volatile ( #if __amd64 -# define NUM_CLOBBERED 5 +# define NUM_SAVED 5 "push %%rbx\n\t" "push %%r12\n\t" "push %%r13\n\t" @@ -141,7 +141,7 @@ "pop %%r12\n\t" "pop %%rbx\n\t" #elif __i386 -# define NUM_CLOBBERED 4 +# define NUM_SAVED 4 "push %%ebx\n\t" "push %%esi\n\t" "push %%edi\n\t" @@ -328,7 +328,7 @@ ctx->sp = (volatile void **)(ssize + (char *)sptr); *--ctx->sp = (void *)coro_init; *--ctx->sp = (void *)coro_init; // this is needed when the prologue saves ebp - ctx->sp -= NUM_CLOBBERED; + ctx->sp -= NUM_SAVED; # endif