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Diffstat (limited to 'libc/sysdeps/s390/s390-32/tls-macros.h')
-rw-r--r--libc/sysdeps/s390/s390-32/tls-macros.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/libc/sysdeps/s390/s390-32/tls-macros.h b/libc/sysdeps/s390/s390-32/tls-macros.h
new file mode 100644
index 000000000..8a0ad5863
--- /dev/null
+++ b/libc/sysdeps/s390/s390-32/tls-macros.h
@@ -0,0 +1,99 @@
+#define TLS_LE(x) \
+ ({ unsigned long __offset; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long " #x "@ntpoff\n" \
+ "1:\tl %0,0(%0)" \
+ : "=a" (__offset) : : "cc" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+
+#ifdef PIC
+# define TLS_IE(x) \
+ ({ unsigned long __offset; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long " #x "@gotntpoff\n" \
+ "1:\tl %0,0(%0)\n\t" \
+ "l %0,0(%0,%%r12):tls_load:" #x \
+ : "=&a" (__offset) : : "cc" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#else
+# define TLS_IE(x) \
+ ({ unsigned long __offset; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long " #x "@indntpoff\n" \
+ "1:\t l %0,0(%0)\n\t" \
+ "l %0,0(%0):tls_load:" #x \
+ : "=&a" (__offset) : : "cc" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#endif
+
+#ifdef PIC
+# define TLS_LD(x) \
+ ({ unsigned long __offset, __save12; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long _GLOBAL_OFFSET_TABLE_-0b\n\t" \
+ ".long __tls_get_offset@plt-0b\n\t" \
+ ".long " #x "@tlsldm\n\t" \
+ ".long " #x "@dtpoff\n" \
+ "1:\tlr %1,%%r12\n\t" \
+ "l %%r12,0(%0)\n\t" \
+ "la %%r12,0(%%r12,%0)\n\t" \
+ "l %%r1,4(%0)\n\t" \
+ "l %%r2,8(%0)\n\t" \
+ "bas %%r14,0(%%r1,%0):tls_ldcall:" #x "\n\t" \
+ "l %0,12(%0)\n\t" \
+ "alr %0,%%r2\n\t" \
+ "lr %%r12,%1" \
+ : "=&a" (__offset), "=&a" (__save12) \
+ : : "cc", "0", "1", "2", "3", "4", "5" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#else
+# define TLS_LD(x) \
+ ({ unsigned long __offset; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long _GLOBAL_OFFSET_TABLE_\n\t" \
+ ".long __tls_get_offset@plt\n\t" \
+ ".long " #x "@tlsldm\n\t" \
+ ".long " #x "@dtpoff\n" \
+ "1:\tl %%r12,0(%0)\n\t" \
+ "l %%r1,4(%0)\n\t" \
+ "l %%r2,8(%0)\n\t" \
+ "bas %%r14,0(%%r1):tls_ldcall:" #x "\n\t" \
+ "l %0,12(%0)\n\t" \
+ "alr %0,%%r2" \
+ : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#endif
+
+#ifdef PIC
+# define TLS_GD(x) \
+ ({ unsigned long __offset, __save12; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long _GLOBAL_OFFSET_TABLE_-0b\n\t" \
+ ".long __tls_get_offset@plt-0b\n\t" \
+ ".long " #x "@tlsgd\n" \
+ "1:\tlr %1,%%r12\n\t" \
+ "l %%r12,0(%0)\n\t" \
+ "la %%r12,0(%%r12,%0)\n\t" \
+ "l %%r1,4(%0)\n\t" \
+ "l %%r2,8(%0)\n\t" \
+ "bas %%r14,0(%%r1,%0):tls_gdcall:" #x "\n\t" \
+ "lr %0,%%r2\n\t" \
+ "lr %%r12,%1" \
+ : "=&a" (__offset), "=&a" (__save12) \
+ : : "cc", "0", "1", "2", "3", "4", "5" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#else
+# define TLS_GD(x) \
+ ({ unsigned long __offset; \
+ asm ("bras %0,1f\n" \
+ "0:\t.long _GLOBAL_OFFSET_TABLE_\n\t" \
+ ".long __tls_get_offset@plt\n\t" \
+ ".long " #x "@tlsgd\n" \
+ "1:\tl %%r12,0(%0)\n\t" \
+ "l %%r1,4(%0)\n\t" \
+ "l %%r2,8(%0)\n\t" \
+ "bas %%r14,0(%%r1):tls_gdcall:" #x "\n\t" \
+ "lr %0,%%r2" \
+ : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
+ (int *) (__builtin_thread_pointer() + __offset); })
+#endif