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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