Differential D22421 Diff 64469 head/lib/libc/powerpc64/gen/makecontext.c

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Show First 20 Lines • Show All 107 Lines • ▼ Show 20 Lines	for (i = 0; i < stackargs; i++)
*argp++ = va_arg(ap, uint64_t);		*argp++ = va_arg(ap, uint64_t);
}		}
va_end(ap);		va_end(ap);

/*		/*
* Use caller-saved regs 14/15 to hold params that _ctx_start		* Use caller-saved regs 14/15 to hold params that _ctx_start
* will use to invoke the user-supplied func		* will use to invoke the user-supplied func
*/		*/
		#if !defined(_CALL_ELF) \|\| _CALL_ELF == 1
		/* Cast to ensure this is treated as a function descriptor. */
mc->mc_srr0 = (uintptr_t )_ctx_start;		mc->mc_srr0 = (uintptr_t )_ctx_start;
		#else
		mc->mc_srr0 = (uintptr_t) _ctx_start;
		#endif
mc->mc_gpr[1] = (uintptr_t) sp; /* new stack pointer */		mc->mc_gpr[1] = (uintptr_t) sp; /* new stack pointer */
mc->mc_gpr[14] = (uintptr_t) start; /* r14 <- start */		mc->mc_gpr[14] = (uintptr_t) start; /* r14 <- start */
mc->mc_gpr[15] = (uintptr_t) ucp; /* r15 <- ucp */		mc->mc_gpr[15] = (uintptr_t) ucp; /* r15 <- ucp */
}		}