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-rw-r--r--ports/sysdeps/tile/tls-macros.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/tls-macros.h b/ports/sysdeps/tile/tls-macros.h
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+++ b/ports/sysdeps/tile/tls-macros.h
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+/* Copyright (C) 2011-2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifdef __tilegx__
+#define TLS_GD_OFFSET(x) \
+ "moveli r0, hw1_last_tls_gd(" #x ")\n\t" \
+ "shl16insli r0, r0, hw0_tls_gd(" #x ")\n\t" \
+ "addi r0, %1, tls_add(" #x ")\n\t"
+#else
+#define TLS_GD_OFFSET(x) \
+ "auli r0, %1, tls_gd_ha16(" #x ")\n\t" \
+ "addli r0, r0, tls_gd_lo16(" #x ")\n\t"
+#endif
+
+#define TLS_GD(x) \
+ ({ \
+ int *__retval; \
+ extern char _GLOBAL_OFFSET_TABLE_[]; \
+ \
+ asm (TLS_GD_OFFSET(x) \
+ "jal tls_gd_call(" #x ")\n\t" \
+ "addi %0, r0, tls_gd_add(" #x ")" : \
+ "=&r" (__retval) : "r" (_GLOBAL_OFFSET_TABLE_) : \
+ "r0", "r25", "r26", "r27", "r28", "r29"); \
+ __retval; })
+
+/* No special support for LD mode. */
+#define TLS_LD TLS_GD
+
+#ifdef __tilegx__
+#define TLS_IE_OFFSET(x) \
+ "moveli %0, hw1_last_tls_ie(" #x ")\n\t" \
+ "shl16insli %0, %0, hw0_tls_ie(" #x ")\n\t" \
+ "addi %0, %1, tls_add(" #x ")\n\t"
+#define LD_TLS "ld_tls"
+#else
+#define TLS_IE_OFFSET(x) \
+ "auli %0, %1, tls_ie_ha16(" #x ")\n\t" \
+ "addli %0, %0, tls_ie_lo16(" #x ")\n\t"
+#define LD_TLS "lw_tls"
+#endif
+
+#define TLS_IE(x) \
+ ({ \
+ int *__retval; \
+ extern char _GLOBAL_OFFSET_TABLE_[]; \
+ \
+ asm (TLS_IE_OFFSET(x) \
+ LD_TLS " %0, %0, tls_ie_load(" #x ")\n\t" \
+ "add %0, %0, tp" : \
+ "=&r" (__retval) : "r" (_GLOBAL_OFFSET_TABLE_)); \
+ __retval; })
+
+#ifdef __tilegx__
+#define _TLS_LE(x) \
+ "moveli %0, hw1_last_tls_le(" #x ")\n\t" \
+ "shl16insli %0, %0, hw0_tls_le(" #x ")\n\t" \
+ "add %0, %0, tp"
+#else
+#define _TLS_LE(x) \
+ "auli %0, tp, tls_le_ha16(" #x ")\n\t" \
+ "addli %0, %0, tls_le_lo16(" #x ")\n\t"
+#endif
+
+#define TLS_LE(x) \
+ ({ \
+ int *__retval; \
+ asm (_TLS_LE(x) : "=r" (__retval)); \
+ __retval; })