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authorUlrich Drepper <drepper@redhat.com>2002-02-10 18:58:00 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-10 18:58:00 +0000
commit2cef4257d02ec72a6ca3bef6ce189fe002253bf6 (patch)
tree964da6844fa5c3216edeb2f2e259bc57ccf468ea /elf/tst-tls1.c
parenta5176eabfb9cb8bc76b34dbce68c1ad3efbbc57e (diff)
Update.
* elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h.
Diffstat (limited to 'elf/tst-tls1.c')
-rw-r--r--elf/tst-tls1.c61
1 files changed, 4 insertions, 57 deletions
diff --git a/elf/tst-tls1.c b/elf/tst-tls1.c
index fc426b0d3c..5e67482ead 100644
--- a/elf/tst-tls1.c
+++ b/elf/tst-tls1.c
@@ -2,12 +2,12 @@
#include <stdio.h>
#include <tls.h>
+#include "tls-macros.h"
-/* XXX Until gcc gets told how to define and use thread-local
- variables we will have to resort to use asms. */
-asm (".tls_common foo,4,4");
-asm (".tls_common bar,4,4");
+/* Two common 'int' variables in TLS. */
+COMMON_INT_DEF(foo);
+COMMON_INT_DEF(bar);
int
@@ -17,59 +17,6 @@ main (void)
int result = 0;
int *ap, *bp;
- /* XXX Each architecture must have its own asm for now. */
-# ifdef __i386__
-# define TLS_LE(x) \
- ({ int *__l; \
- asm ("movl %%gs:0,%0\n\t" \
- "subl $" #x "@tpoff,%0" \
- : "=r" (__l)); \
- __l; })
-
-#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; })
-
-#define TLS_LD(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" \
- "leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
- "call ___tls_get_addr@plt\n\t" \
- "leal " #x "@dtpoff(%%eax), %%eax" \
- : "=a" (__l), "=&b" (__b)); \
- __l; })
-
-#define TLS_GD(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" \
- "leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
- "call ___tls_get_addr@plt\n\t" \
- "nop" \
- : "=a" (__l), "=&b" (__b)); \
- __l; })
-
-# else
-# error "No support for this architecture so far."
-# endif
/* Set the variable using the local exec model. */
puts ("set bar to 1 (LE)");