+2006-04-21 Carlos O'Donell <carlos@systemhalted.org>
+
+ * sysdeps/hppa/dl-tls.h: New file
+ * sysdeps/hppa/libc-tls.c: Likewise.
+ * sysdeps/hppa/tls-macros.h: Likewise.
+ * sysdeps/hppa/elf/configure: Likewise.
+ * sysdeps/hppa/elf/configure.in: Likewise.
+
2006-04-20 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/hppa/fpu/fclrexcpt.c (feclearexcept): Use union to
--- /dev/null
+/* Thread-local storage handling in the ELF dynamic linker. hppa version.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+
+/* Type used for the representation of TLS information in the GOT. */
+typedef struct
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+
+extern void *__tls_get_addr (tls_index *ti);
--- /dev/null
+# This file is generated from configure.in by Autoconf. DO NOT EDIT!
+ # Local configure fragment for sysdeps/hppa/elf.
+
+if test "$usetls" != no; then
+# Check for support of thread-local storage handling in assembler and
+# linker.
+echo "$as_me:$LINENO: checking for hppa TLS support" >&5
+echo $ECHO_N "checking for hppa TLS support... $ECHO_C" >&6
+if test "${libc_cv_hppa_tls+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat > conftest.s <<\EOF
+; Setup tls data
+.section ".tdata","awT",@progbits
+foo: .data 32
+ .text
+; Test general dyanmic relocations
+test0:
+ addil LT'foo-$tls_gdidx$, %r19
+ ldo RT'foo-$tls_gdidx$(%r1), %r26
+ b __tls_get_addr
+ nop
+; Test local dynamic relocations
+test1:
+ addil LT'foo-$tls_ldidx$, %r19
+ b __tls_get_addr
+ ldo RT'foo-$tls_ldidx$(%r1), %r26
+ ldo RR'foo-$tls_dtpoff$(%r1), %r25
+ ; More variables can be loaded...
+; Test initial exec reloctiosn
+test2:
+ mfctl %cr27, %r26
+ addil LT'foo-$tls_ieoff$, %r19
+ ldw RT'foo-$tls_ieoff$(%r1), %r25
+ add %r26, %r25, %r24
+; Test local exec relocations
+test3:
+ mfctl %cr27, %r26
+ addil LR'foo-$tls_leoff$, %r26
+ ldo RR'foo-$tls_leoff$(%r1), %r25
+; Done all the TLS tests.
+EOF
+if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ libc_cv_hppa_tls=yes
+else
+ libc_cv_hppa_tls=no
+fi
+rm -f conftest*
+fi
+echo "$as_me:$LINENO: result: $libc_cv_hppa_tls" >&5
+echo "${ECHO_T}$libc_cv_hppa_tls" >&6
+if test $libc_cv_hppa_tls = yes; then
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_TLS_SUPPORT 1
+_ACEOF
+
+fi
+fi
--- /dev/null
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/hppa/elf.
+
+if test "$usetls" != no; then
+# Check for support of thread-local storage handling in assembler and
+# linker.
+AC_CACHE_CHECK(for hppa TLS support, libc_cv_hppa_tls, [dnl
+cat > conftest.s <<\EOF
+; Setup tls data
+.section ".tdata","awT",@progbits
+foo: .data 32
+ .text
+; Test general dyanmic relocations
+test0:
+ addil LT'foo-$tls_gdidx$, %r19
+ ldo RT'foo-$tls_gdidx$(%r1), %r26
+ b __tls_get_addr
+ nop
+; Test local dynamic relocations
+test1:
+ addil LT'foo-$tls_ldidx$, %r19
+ b __tls_get_addr
+ ldo RT'foo-$tls_ldidx$(%r1), %r26
+ ldo RR'foo-$tls_dtpoff$(%r1), %r25
+ ; More variables can be loaded...
+; Test initial exec reloctiosn
+test2:
+ mfctl %cr27, %r26
+ addil LT'foo-$tls_ieoff$, %r19
+ ldw RT'foo-$tls_ieoff$(%r1), %r25
+ add %r26, %r25, %r24
+; Test local exec relocations
+test3:
+ mfctl %cr27, %r26
+ addil LR'foo-$tls_leoff$, %r26
+ ldo RR'foo-$tls_leoff$(%r1), %r25
+; Done all the TLS tests.
+EOF
+dnl
+if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ libc_cv_hppa_tls=yes
+else
+ libc_cv_hppa_tls=no
+fi
+rm -f conftest*])
+if test $libc_cv_hppa_tls = yes; then
+ AC_DEFINE(HAVE_TLS_SUPPORT)
+fi
+fi
--- /dev/null
+/* Thread-local storage handling in the ELF dynamic linker. hppa version.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <csu/libc-tls.c>
+#include <dl-tls.h>
+
+#if USE_TLS
+
+/* On hppa, linker optimizations are not required, so __tls_get_addr
+ can be called even in statically linked binaries. In this case module
+ must be always 1 and PT_TLS segment exist in the binary, otherwise it
+ would not link. */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+ dtv_t *dtv = THREAD_DTV ();
+ return (char *) dtv[1].pointer.val + ti->ti_offset;
+}
+
+#endif
+
--- /dev/null
+
+/* HPPA Local Exec TLS access. */
+# define TLS_LE(x) \
+ ({ int * __result; \
+ unsigned long __tmp; \
+ asm ( \
+ " mfctl %%cr27, %1\n" \
+ " addil LR'" #x "-$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
+
projects / thirdparty / glibc.git / commitdiff
