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-rw-r--r--sysdeps/unix/sysv/linux/sparc64/init-first.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc64/init-first.h b/sysdeps/unix/sysv/linux/sparc64/init-first.h
new file mode 100644
index 0000000000..f7fad7f87f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc64/init-first.h
@@ -0,0 +1,92 @@
+/* Prepare arguments for library initialization function.
+ Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* The job of this fragment it to find argc and friends for INIT.
+ This is done in one of two ways: either in the stack context
+ of program start, or having dlopen pass them in. */
+
+#include <sysdep.h>
+
+#define __S1(x) #x
+#define __S(x) __S1(x)
+
+#ifdef PIC
+
+#define SYSDEP_CALL_INIT(NAME, INIT) asm("\
+ .weak _dl_starting_up
+ .global " #NAME "
+ .type " #NAME ",@function
+" #NAME ":
+ save %sp, -64, %sp
+1: rd %pc, %g1
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
+ or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
+ add %l7, %o7, %l7
+ /* Are we a dynamic libc being loaded into a static program? */
+ sethi %hi(_dl_starting_up), %g2
+ or %g2, %lo(_dl_starting_up), %g2
+ ld [%l7+%g2], %g2
+ brz,pn %g2, 3f
+ sethi %hi(__libc_multiple_libcs), %g3
+ ld [%g2], %g2
+ subcc %g0, %g2, %g0
+ subc %g0, -1, %g2
+3: or %g3, %lo(__libc_multiple_libcs), %g3
+ ld [%l7+%g3], %g3
+ st %g2, [%g3]
+ /* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */
+ brnz,pn %g2, " #INIT "
+ restore
+ ld [%sp+" __S(STACK_BIAS) "+22*8], %o0
+ add %sp, " __S(STACK_BIAS) "+23*8, %o1
+ sll %o0, 3, %o2
+ add %o2, %o1, %o2
+ add %o2, 8, %o2
+ ba,a " #INIT "
+ .size "#NAME " .-" #NAME);
+
+#else
+
+#define SYSDEP_CALL_INIT(NAME, INIT) asm("\
+ .weak _dl_starting_up
+ .global " #NAME "
+ .type " #NAME ",@function
+" #NAME ":
+ /* Are we a dynamic libc being loaded into a static program? */
+ sethi %hi(_dl_starting_up), %g2
+ or %g2, %lo(_dl_starting_up), %g2
+ brz,pt %g2, 3f
+ sethi %hi(__libc_multiple_libcs), %g3
+ ld [%g4+%g2], %g2
+ subcc %g0, %g2, %g0
+ subc %g0, -1, %g2
+3: add %g3, %g4, %g3
+ st %g2, [%g3+%lo(__libc_multiple_libcs)]
+ /* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */
+ brnz,pn %g2, " #INIT "
+ nop
+ ld [%sp+" __S(STACK_BIAS) "+22*8], %o0
+ add %sp, " __S(STACK_BIAS) "+23*8, %o1
+ sll %o0, 3, %o2
+ add %o2, %o1, %o2
+ add %o2, 8, %o2
+ ba,a " #INIT "
+ .size "#NAME ", .-" #NAME);
+
+#endif