about summary refs log tree commit diff
path: root/sysdeps/ia64/tls-macros.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ia64/tls-macros.h')
-rw-r--r--sysdeps/ia64/tls-macros.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/sysdeps/ia64/tls-macros.h b/sysdeps/ia64/tls-macros.h
new file mode 100644
index 0000000000..13b216d85d
--- /dev/null
+++ b/sysdeps/ia64/tls-macros.h
@@ -0,0 +1,66 @@
+/* Macros to support TLS testing in times of missing compiler support.  */
+
+extern void *__tls_get_addr (void *);
+
+# define TLS_LE(x) \
+  ({ void *__l;								      \
+     asm ("mov r2=r13\n\t"						      \
+         ";;\n\t"							      \
+         "addl %0=@tprel(" #x "),r2\n\t"				      \
+         : "=r" (__l) : : "r2"  ); __l; })
+
+# define TLS_IE(x) \
+  ({ void *__l;								      \
+     register long __gp asm ("gp");					      \
+     asm (";;\n\t"							      \
+	 "addl r16=@ltoff(@tprel(" #x ")),gp\n\t"			      \
+         ";;\n\t"							      \
+         "ld8 r17=[r16]\n\t"						      \
+         ";;\n\t"							      \
+         "add %0=r13,r17\n\t"						      \
+         ";;\n\t"							      \
+         : "=r" (__l) : "r" (__gp) : "r16", "r17" ); __l; })
+
+# define __TLS_CALL_CLOBBERS \
+  "r2", "r3", "r8", "r9", "r10", "r11", "r14", "r15", "r16", "r17",	      \
+  "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26",	      \
+  "r27", "r28", "r29", "r30", "r31",					      \
+  "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",	      \
+  "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",	      \
+  "b6", "b7",								      \
+  "out0", "out1", "out2", "out3", "out4", "out5", "out6", "out7"
+
+# define TLS_LD(x) \
+  ({ void *__l;								      \
+     register long __gp asm ("gp");					      \
+     asm (";;\n\t"							      \
+	 "mov loc0=gp\n\t"						      \
+         "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t"			      \
+         "addl out1=@dtprel(" #x "),r0\n\t"				      \
+         ";;\n\t"							      \
+         "ld8 out0=[r16]\n\t"						      \
+         "br.call.sptk.many b0=__tls_get_addr"				      \
+         ";;\n\t"							      \
+         "mov gp=loc0\n\t"						      \
+         "mov %0=r8\n\t"						      \
+         ";;\n\t"							      \
+         : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS);	      \
+     __l; })
+
+# define TLS_GD(x) \
+  ({ void *__l;								      \
+     register long __gp asm ("gp");					      \
+     asm (";;\n\t"							      \
+	 "mov loc0=gp\n\t"						      \
+         "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t"			      \
+         "addl r17=@ltoff(@dtprel(" #x ")),gp\n\t"			      \
+         ";;\n\t"							      \
+         "ld8 out0=[r16]\n\t"						      \
+         "ld8 out1=[r17]\n\t"						      \
+         "br.call.sptk.many b0=__tls_get_addr"				      \
+         ";;\n\t"							      \
+         "mov gp=loc0\n\t"						      \
+         "mov %0=r8\n\t"						      \
+         ";;\n\t"							      \
+          : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS);	      \
+     __l; })