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authorCarlos O'Donell <carlos@systemhalted.org>2014-04-29 03:08:48 -0400
committerCarlos O'Donell <carlos@systemhalted.org>2014-04-29 04:20:39 -0400
commit5abebba403181de898bbea4ee1bcce5f088c663b (patch)
tree0c4a8eac85e1f2db87621b524bfcbdeb24c2c8f9 /sysdeps/hppa/tls-macros.h
parent4e4a58f4ee45cea6f3083af8f12d3834bb999555 (diff)
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Relocate hppa from ports to libc.
Diffstat (limited to 'sysdeps/hppa/tls-macros.h')
-rw-r--r--sysdeps/hppa/tls-macros.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/sysdeps/hppa/tls-macros.h b/sysdeps/hppa/tls-macros.h
new file mode 100644
index 0000000000..38edb1b72c
--- /dev/null
+++ b/sysdeps/hppa/tls-macros.h
@@ -0,0 +1,114 @@
+/* TLS Access Macros for HP PARISC Linux */
+
+/* HPPA Local Exec TLS access. */
+#define TLS_LE(x) \
+ ({ int * __result; \
+ unsigned long __tmp; \
+ asm ( \
+ " mfctl %%cr27, %1\n" \
+ " addil LR'" #x "-$tls_leoff$, %1\n" \
+ " ldo RR'" #x "-$tls_leoff$(%%r1), %0\n" \
+ : "=r" (__result), "=r" (__tmp) \
+ : \
+ : "r1" ); \
+ __result; \
+ })
+
+/* HPPA Initial Exec TLS access. */
+#ifdef PIC
+# define TLS_IE(x) \
+ ({ int * __result; \
+ unsigned long __tmp, __tmp2; \
+ asm ( \
+ " mfctl %%cr27, %1\n" \
+ " addil LT'" #x "-$tls_ieoff$, %%r19\n" \
+ " ldw RT'" #x "-$tls_ieoff$(%%r1), %2\n" \
+ " add %1, %2, %0\n" \
+ : "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \
+ : \
+ : "r1" ); \
+ __result; \
+ })
+#else
+# define TLS_IE(x) \
+ ({ int * __result; \
+ unsigned long __tmp, __tmp2; \
+ asm ( \
+ " mfctl %%cr27, %1\n" \
+ " addil LR'" #x "-$tls_ieoff$, %%r27\n" \
+ " ldw RR'" #x "-$tls_ieoff$(%%r1), %2\n" \
+ " add %1, %2, %0\n" \
+ : "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \
+ : \
+ : "r1" ); \
+ __result; \
+ })
+#endif
+
+#ifdef PIC
+/* HPPA Local Dynamic TLS access. */
+# define TLS_LD(x) \
+ ({ int * __result; \
+ asm ( \
+ " copy %%r19, %%r4\n" \
+ " addil LT'" #x "-$tls_ldidx$, %%r19\n" \
+ " bl __tls_get_addr, %%r2\n" \
+ " ldo RT'" #x "-$tls_ldidx$(%%r1), %%r26\n" \
+ " addil LR'" #x "-$tls_dtpoff$, %%r28\n" \
+ " ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \
+ " copy %%r4, %%r19\n" \
+ : "=r" (__result) \
+ : \
+ : "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \
+ "r25", "r26", "r28", "r29", "r31" ); \
+ __result; \
+ })
+#else
+# define TLS_LD(x) \
+ ({ int * __result; \
+ asm ( \
+ " addil LR'" #x "-$tls_ldidx$, %%r27\n" \
+ " bl __tls_get_addr, %%r2\n" \
+ " ldo RR'" #x "-$tls_ldidx$(%%r1), %%r26\n" \
+ " addil LR'" #x "-$tls_dtpoff$, %%r28\n" \
+ " ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \
+ : "=r" (__result) \
+ : \
+ : "r1", "r2", "r20", "r21", "r22", "r23", "r24", \
+ "r25", "r26", "r28", "r29", "r31" ); \
+ __result; \
+ })
+#endif
+
+/* HPPA General Dynamic TLS access. */
+#ifdef PIC
+# define TLS_GD(x) \
+ ({ int * __result; \
+ asm ( \
+ " copy %%r19, %%r4\n" \
+ " addil LT'" #x "-$tls_gdidx$, %%r19\n" \
+ " bl __tls_get_addr, %%r2\n" \
+ " ldo RT'" #x "-$tls_gdidx$(%%r1), %%r26\n" \
+ " copy %%r28, %0\n" \
+ " copy %%r4, %%r19\n" \
+ : "=r" (__result) \
+ : \
+ : "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \
+ "r25", "r26", "r28", "r29", "r31" ); \
+ __result; \
+ })
+#else
+# define TLS_GD(x) \
+ ({ int * __result; \
+ asm ( \
+ " addil LR'" #x "-$tls_gdidx$, %%r27\n" \
+ " bl __tls_get_addr, %%r2\n" \
+ " ldo RR'" #x "-$tls_gdidx$(%%r1), %%r26\n" \
+ " copy %%r28, %0\n" \
+ : "=r" (__result) \
+ : \
+ : "r1", "r2", "r20", "r21", "r22", "r23", "r24", \
+ "r25", "r26", "r28", "r29", "r31" ); \
+ __result; \
+ })
+#endif