Quelle  tm-syscall-asm.S   Sprache: Sparc

/* SPDX-License-Identifier: GPL-2.0 */
#include <basic_asm.h>
#include <asm/unistd.h>

 .text
FUNC_START(getppid_tm_active)
 tbegin.
 beq 1f
 li r0, __NR_getppid
 sc
 tend.
 blr
1:
 li r3, -1
 blr

FUNC_START(getppid_tm_suspended)
 tbegin.
 beq 1f
 li r0, __NR_getppid
 tsuspend.
 sc
 tresume.
 tend.
 blr
1:
 li r3, -1
 blr


.macro scv level
 .long (0x44000001 | (\level) << 5)
.endm

FUNC_START(getppid_scv_tm_active)
 PUSH_BASIC_STACK(0)
 tbegin.
 beq 1f
 li r0, __NR_getppid
 scv 0
 tend.
 POP_BASIC_STACK(0)
 blr
1:
 li r3, -1
 POP_BASIC_STACK(0)
 blr

FUNC_START(getppid_scv_tm_suspended)
 PUSH_BASIC_STACK(0)
 tbegin.
 beq 1f
 li r0, __NR_getppid
 tsuspend.
 scv 0
 tresume.
 tend.
 POP_BASIC_STACK(0)
 blr
1:
 li r3, -1
 POP_BASIC_STACK(0)
 blr