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authorJoseph Myers <joseph@codesourcery.com>2012-07-17 11:30:58 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-17 11:30:58 +0000
commitcfc82fd8ac7f910f19b02feed84b68c2e3a3d927 (patch)
tree9977bd58e47d74b8d44bedd3459c47855e4ad890 /sysdeps/i386/tls-macros.h
parent07cbfc23683827c1b92d0bc62b15a77a48b09a17 (diff)
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Split tls-macros.h into sysdeps directories.
Diffstat (limited to 'sysdeps/i386/tls-macros.h')
-rw-r--r--sysdeps/i386/tls-macros.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/sysdeps/i386/tls-macros.h b/sysdeps/i386/tls-macros.h
new file mode 100644
index 0000000000..0b857383c9
--- /dev/null
+++ b/sysdeps/i386/tls-macros.h
@@ -0,0 +1,76 @@
+#define TLS_LE(x) \
+  ({ int *__l;								      \
+     asm ("movl %%gs:0,%0\n\t"						      \
+	  "subl $" #x "@tpoff,%0"					      \
+	  : "=r" (__l));						      \
+     __l; })
+
+#ifdef PIC
+# define TLS_IE(x) \
+  ({ int *__l;								      \
+     asm ("movl %%gs:0,%0\n\t"						      \
+	  "subl " #x "@gottpoff(%%ebx),%0"				      \
+	  : "=r" (__l));						      \
+     __l; })
+#else
+# define TLS_IE(x) \
+  ({ int *__l, __b;							      \
+     asm ("call 1f\n\t"							      \
+	  ".subsection 1\n"						      \
+	  "1:\tmovl (%%esp), %%ebx\n\t"					      \
+	  "ret\n\t"							      \
+	  ".previous\n\t"						      \
+	  "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"			      \
+	  "movl %%gs:0,%0\n\t"						      \
+	  "subl " #x "@gottpoff(%%ebx),%0"				      \
+	  : "=r" (__l), "=&b" (__b));					      \
+     __l; })
+#endif
+
+#ifdef PIC
+# define TLS_LD(x) \
+  ({ int *__l, __c, __d;						      \
+     asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t"				      \
+	  "call ___tls_get_addr@plt\n\t"				      \
+	  "leal " #x "@dtpoff(%%eax), %%eax"				      \
+	  : "=a" (__l), "=&c" (__c), "=&d" (__d));			      \
+     __l; })
+#else
+# define TLS_LD(x) \
+  ({ int *__l, __b, __c, __d;						      \
+     asm ("call 1f\n\t"							      \
+	  ".subsection 1\n"						      \
+	  "1:\tmovl (%%esp), %%ebx\n\t"					      \
+	  "ret\n\t"							      \
+	  ".previous\n\t"						      \
+	  "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"			      \
+	  "leal " #x "@tlsldm(%%ebx),%%eax\n\t"				      \
+	  "call ___tls_get_addr@plt\n\t"				      \
+	  "leal " #x "@dtpoff(%%eax), %%eax"				      \
+	  : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d));		      \
+     __l; })
+#endif
+
+#ifdef PIC
+# define TLS_GD(x) \
+  ({ int *__l, __c, __d;						      \
+     asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t"				      \
+	  "call ___tls_get_addr@plt\n\t"				      \
+	  "nop"								      \
+	  : "=a" (__l), "=&c" (__c), "=&d" (__d));			      \
+     __l; })
+#else
+# define TLS_GD(x) \
+  ({ int *__l, __b, __c, __d;						      \
+     asm ("call 1f\n\t"							      \
+	  ".subsection 1\n"						      \
+	  "1:\tmovl (%%esp), %%ebx\n\t"					      \
+	  "ret\n\t"							      \
+	  ".previous\n\t"						      \
+	  "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"			      \
+	  "leal " #x "@tlsgd(%%ebx),%%eax\n\t"				      \
+	  "call ___tls_get_addr@plt\n\t"				      \
+	  "nop"								      \
+	  : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d));		      \
+     __l; })
+#endif