kumquat-buildroot/package/uclibc-ng-test/0001-add-nios2-tls-macros-from-glibc.patch
Fabrice Fontaine 8712bd53bd package/uclibc-ng-test: fix TLS for nios2
Fix TLS for nios2 to avoid the following build failure:

In file included from tst-tls1.c:6:
tls-macros.h:101:3: error: #error "No support for this architecture so far."
 # error "No support for this architecture so far."
   ^~~~~

Fixes:
 - http://autobuild.buildroot.org/results/303e50d996b7261896f163418831fabb40779ff5

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2020-12-15 22:03:16 +01:00

85 lines
3.1 KiB
Diff

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