package/uclibc-ng-test/0001-add-nios2-tls-macros-from-glibc.patch

From bf6fcd59d1ff51584a703b1d78c9e8fd4f808917 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sat, 28 Nov 2020 11:44:00 +0100
Subject: [PATCH] add nios2 tls macros from glibc

Retrieved from
https://github.com/bminor/glibc/blob/master/sysdeps/nios2/tls-macros.h

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Retrieved from:
https://github.com/wbx-github/uclibc-ng-test/commit/bf6fcd59d1ff51584a703b1d78c9e8fd4f808917]
---
 test/tls/tls-macros-nios2.h | 46 +++++++++++++++++++++++++++++++++++++
 test/tls/tls-macros.h       |  4 ++++
 2 files changed, 50 insertions(+)
 create mode 100644 test/tls/tls-macros-nios2.h

diff --git a/test/tls/tls-macros-nios2.h b/test/tls/tls-macros-nios2.h
new file mode 100644
index 0000000..7029530
--- /dev/null
+++ b/test/tls/tls-macros-nios2.h
@@ -0,0 +1,46 @@
+#define TLS_LE(x)					\
+  ({ int *__result;					\
+     asm ("addi %0, r23, %%tls_le(" #x ")"		\
+	  : "=r" (__result));		                \
+     __result; })
+
+#define TLS_IE(x)					\
+  ({ int *__result;					\
+     int __tmp;                                         \
+     asm ("nextpc %0 ; "                                \
+          "1: movhi %1, %%hiadj(_gp_got - 1b) ; "	\
+          "addi %1, %1, %%lo(_gp_got - 1b) ; "		\
+          "add %0, %0, %1 ; "                           \
+          "ldw %1, %%tls_ie(" #x ")(%0) ; "        	\
+	  "add %1, r23, %1"              		\
+          : "=&r" (__tmp), "=&r" (__result));           \
+     __result; })
+
+#define TLS_LD(x)					\
+  ({ char *__result;					\
+     char *__result2;                                   \
+     int *__result3;                                    \
+     int __tmp;                                         \
+     extern void *__tls_get_addr (void *);		\
+     asm ("nextpc %0 ; "                                \
+          "1: movhi %1, %%hiadj(_gp_got - 1b) ; "	\
+          "addi %1, %1, %%lo(_gp_got - 1b) ; "		\
+          "add %0, %0, %1 ; "                           \
+          "addi %0, %0, %%tls_ldm(" #x ")"              \
+          : "=r" (__result), "=r" (__tmp));             \
+     __result2 = (char *)__tls_get_addr (__result);	\
+     asm ("addi %0, %1, %%tls_ldo(" #x ")"              \
+	  : "=r" (__result3) : "r" (__result2));        \
+     __result3; })
+
+#define TLS_GD(x)					\
+  ({ int *__result;					\
+     int __tmp;                                         \
+     extern void *__tls_get_addr (void *);		\
+     asm ("nextpc %0 ; "                                \
+          "1: movhi %1, %%hiadj(_gp_got - 1b) ; "	\
+          "addi %1, %1, %%lo(_gp_got - 1b) ; "		\
+          "add %0, %0, %1 ; "                           \
+          "addi %0, %0, %%tls_gd(" #x ")"		\
+	  : "=r" (__result), "=r" (__tmp));		\
+     (int *)__tls_get_addr (__result); })
diff --git a/test/tls/tls-macros.h b/test/tls/tls-macros.h
index 4a4e916..087b365 100644
--- a/test/tls/tls-macros.h
+++ b/test/tls/tls-macros.h
@@ -64,6 +64,10 @@
 #include <tls-macros-mips.h>
 #endif
 
+#ifdef __nios2__
+#include <tls-macros-nios2.h>
+#endif
+
 #if defined(__powerpc__) && !defined(__powerpc64__)
 #include <tls-macros-powerpc.h>
 #endif