diff options
Diffstat (limited to 'ports/sysdeps/tile/tls-macros.h')
| -rw-r--r-- | ports/sysdeps/tile/tls-macros.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/tls-macros.h b/ports/sysdeps/tile/tls-macros.h new file mode 100644 index 0000000000..25e5375a95 --- /dev/null +++ b/ports/sysdeps/tile/tls-macros.h @@ -0,0 +1,84 @@ +/* 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; }) |