-/* Given the NEXT frame, examine the instructions at and around this
- frame's resume address (aka PC) to see of they look like a signal
- trampoline. Return the address of the trampolines first
- instruction, or zero if it isn't a signal trampoline. */
-
-static const struct tramp_frame ppcnbsd_sigtramp = {
- 4, /* insn size */
- { /* insn */
- 0x38610018, /* addi r3,r1,24 */
- 0x38000127, /* li r0,295 */
- 0x44000002, /* sc */
- 0x38000001, /* li r0,1 */
- 0x44000002, /* sc */
- TRAMP_SENTINEL_INSN
+static const struct tramp_frame ppcnbsd_sigtramp =
+{
+ SIGTRAMP_FRAME,
+ 4,
+ {
+ { 0x3821fff0, -1 }, /* add r1,r1,-16 */
+ { 0x4e800021, -1 }, /* blrl */
+ { 0x38610018, -1 }, /* addi r3,r1,24 */
+ { 0x38000127, -1 }, /* li r0,295 */
+ { 0x44000002, -1 }, /* sc */
+ { 0x38000001, -1 }, /* li r0,1 */
+ { 0x44000002, -1 }, /* sc */
+ { TRAMP_SENTINEL_INSN, -1 }
+ },
+ ppcnbsd_sigtramp_cache_init
+};
+
+/* NetBSD 2.0 introduced a slightly different signal trampoline. */
+
+static const struct tramp_frame ppcnbsd2_sigtramp =
+{
+ SIGTRAMP_FRAME,
+ 4,
+ {
+ { 0x3821fff0, -1 }, /* add r1,r1,-16 */
+ { 0x4e800021, -1 }, /* blrl */
+ { 0x38610010, -1 }, /* addi r3,r1,16 */
+ { 0x38000127, -1 }, /* li r0,295 */
+ { 0x44000002, -1 }, /* sc */
+ { 0x38000001, -1 }, /* li r0,1 */
+ { 0x44000002, -1 }, /* sc */
+ { TRAMP_SENTINEL_INSN, -1 }