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+/*
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+ * SPARC gdb server stub
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+ *
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+ * Copyright (c) 2003-2005 Fabrice Bellard
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+ * Copyright (c) 2013 SUSE LINUX Products GmbH
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+ *
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+ * This library is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU Lesser General Public
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+ * License as published by the Free Software Foundation; either
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+ * version 2 of the License, or (at your option) any later version.
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+ *
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+ * This library is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * Lesser General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Lesser General Public
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+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#ifdef TARGET_ABI32
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+#define GET_REGA(val) GET_REG32(val)
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+#else
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+#define GET_REGA(val) GET_REGL(val)
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+#endif
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+
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+static int cpu_gdb_read_register(CPUSPARCState *env, uint8_t *mem_buf, int n)
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+{
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+ if (n < 8) {
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+ /* g0..g7 */
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+ GET_REGA(env->gregs[n]);
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+ }
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+ if (n < 32) {
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+ /* register window */
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+ GET_REGA(env->regwptr[n - 8]);
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+ }
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+#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)
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+ if (n < 64) {
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+ /* fprs */
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+ if (n & 1) {
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+ GET_REG32(env->fpr[(n - 32) / 2].l.lower);
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+ } else {
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+ GET_REG32(env->fpr[(n - 32) / 2].l.upper);
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+ }
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+ }
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+ /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
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+ switch (n) {
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+ case 64:
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+ GET_REGA(env->y);
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+ case 65:
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+ GET_REGA(cpu_get_psr(env));
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+ case 66:
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+ GET_REGA(env->wim);
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+ case 67:
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+ GET_REGA(env->tbr);
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+ case 68:
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+ GET_REGA(env->pc);
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+ case 69:
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+ GET_REGA(env->npc);
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+ case 70:
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+ GET_REGA(env->fsr);
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+ case 71:
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+ GET_REGA(0); /* csr */
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+ default:
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+ GET_REGA(0);
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+ }
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+#else
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+ if (n < 64) {
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+ /* f0-f31 */
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+ if (n & 1) {
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+ GET_REG32(env->fpr[(n - 32) / 2].l.lower);
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+ } else {
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+ GET_REG32(env->fpr[(n - 32) / 2].l.upper);
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+ }
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+ }
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+ if (n < 80) {
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+ /* f32-f62 (double width, even numbers only) */
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+ GET_REG64(env->fpr[(n - 32) / 2].ll);
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+ }
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+ switch (n) {
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+ case 80:
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+ GET_REGL(env->pc);
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+ case 81:
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+ GET_REGL(env->npc);
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+ case 82:
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+ GET_REGL((cpu_get_ccr(env) << 32) |
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+ ((env->asi & 0xff) << 24) |
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+ ((env->pstate & 0xfff) << 8) |
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+ cpu_get_cwp64(env));
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+ case 83:
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+ GET_REGL(env->fsr);
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+ case 84:
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+ GET_REGL(env->fprs);
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+ case 85:
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+ GET_REGL(env->y);
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+ }
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+#endif
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+ return 0;
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+}
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+
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+static int cpu_gdb_write_register(CPUSPARCState *env, uint8_t *mem_buf, int n)
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+{
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+#if defined(TARGET_ABI32)
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+ abi_ulong tmp;
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+
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+ tmp = ldl_p(mem_buf);
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+#else
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+ target_ulong tmp;
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+
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+ tmp = ldtul_p(mem_buf);
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+#endif
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+
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+ if (n < 8) {
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+ /* g0..g7 */
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+ env->gregs[n] = tmp;
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+ } else if (n < 32) {
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+ /* register window */
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+ env->regwptr[n - 8] = tmp;
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+ }
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+#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)
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+ else if (n < 64) {
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+ /* fprs */
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+ /* f0-f31 */
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+ if (n & 1) {
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+ env->fpr[(n - 32) / 2].l.lower = tmp;
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+ } else {
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+ env->fpr[(n - 32) / 2].l.upper = tmp;
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+ }
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+ } else {
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+ /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
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+ switch (n) {
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+ case 64:
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+ env->y = tmp;
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+ break;
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+ case 65:
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+ cpu_put_psr(env, tmp);
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+ break;
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+ case 66:
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+ env->wim = tmp;
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+ break;
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+ case 67:
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+ env->tbr = tmp;
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+ break;
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+ case 68:
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+ env->pc = tmp;
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+ break;
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+ case 69:
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+ env->npc = tmp;
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+ break;
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+ case 70:
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+ env->fsr = tmp;
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+ break;
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+ default:
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+ return 0;
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+ }
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+ }
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+ return 4;
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+#else
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+ else if (n < 64) {
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+ /* f0-f31 */
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+ tmp = ldl_p(mem_buf);
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+ if (n & 1) {
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+ env->fpr[(n - 32) / 2].l.lower = tmp;
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+ } else {
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+ env->fpr[(n - 32) / 2].l.upper = tmp;
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+ }
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+ return 4;
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+ } else if (n < 80) {
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+ /* f32-f62 (double width, even numbers only) */
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+ env->fpr[(n - 32) / 2].ll = tmp;
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+ } else {
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+ switch (n) {
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+ case 80:
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+ env->pc = tmp;
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+ break;
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+ case 81:
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+ env->npc = tmp;
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+ break;
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+ case 82:
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+ cpu_put_ccr(env, tmp >> 32);
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+ env->asi = (tmp >> 24) & 0xff;
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+ env->pstate = (tmp >> 8) & 0xfff;
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+ cpu_put_cwp64(env, tmp & 0xff);
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+ break;
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+ case 83:
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+ env->fsr = tmp;
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+ break;
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+ case 84:
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+ env->fprs = tmp;
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+ break;
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+ case 85:
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+ env->y = tmp;
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+ break;
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+ default:
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+ return 0;
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+ }
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+ }
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+ return 8;
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+#endif
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+}
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