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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/arch/arm/pthread_arch.h
parentInitial commit. (diff)
downloadwasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz
wasi-libc-upstream/0.0_git20221206.8b7148f.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/arch/arm/pthread_arch.h')
-rw-r--r--libc-top-half/musl/arch/arm/pthread_arch.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/libc-top-half/musl/arch/arm/pthread_arch.h b/libc-top-half/musl/arch/arm/pthread_arch.h
new file mode 100644
index 0000000..157e2ea
--- /dev/null
+++ b/libc-top-half/musl/arch/arm/pthread_arch.h
@@ -0,0 +1,32 @@
+#if ((__ARM_ARCH_6K__ || __ARM_ARCH_6KZ__ || __ARM_ARCH_6ZK__) && !__thumb__) \
+ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
+
+static inline uintptr_t __get_tp()
+{
+ uintptr_t tp;
+ __asm__ ( "mrc p15,0,%0,c13,c0,3" : "=r"(tp) );
+ return tp;
+}
+
+#else
+
+#if __ARM_ARCH_4__ || __ARM_ARCH_4T__ || __ARM_ARCH == 4
+#define BLX "mov lr,pc\n\tbx"
+#else
+#define BLX "blx"
+#endif
+
+static inline uintptr_t __get_tp()
+{
+ extern hidden uintptr_t __a_gettp_ptr;
+ register uintptr_t tp __asm__("r0");
+ __asm__ ( BLX " %1" : "=r"(tp) : "r"(__a_gettp_ptr) : "cc", "lr" );
+ return tp;
+}
+
+#endif
+
+#define TLS_ABOVE_TP
+#define GAP_ABOVE_TP 8
+
+#define MC_PC arm_pc