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[PATCH] Fix PIEs on SPARC{,64}


Hi!

2004-03-05  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc32/elf/start.S: Handle PIEs.
	* sysdeps/sparc/sparc64/elf/start.S: Likewise.

--- libc/sysdeps/sparc/sparc32/elf/start.S.jj	2002-12-09 21:37:22.000000000 +0100
+++ libc/sysdeps/sparc/sparc32/elf/start.S	2004-03-05 00:00:30.907381337 +0100
@@ -1,5 +1,5 @@
 /* Startup code for elf32-sparc
-   Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 2002, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -23,10 +23,21 @@
 
 	.section ".text"
 	.align 4
+#ifdef SHARED
+.LLGETPC0:
+	retl
+	 add	%o7, %l7, %l7
+#endif
 	.global _start
 	.type _start,#function
 _start:
 
+#ifdef SHARED
+	sethi	%hi(_GLOBAL_OFFSET_TABLE_-4), %l7
+	call	.LLGETPC0
+	 add	%l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
+#endif
+
   /* Terminate the stack frame, and reserve space for functions to
      drop their arguments.  */
 	mov	%g0, %fp
@@ -44,6 +55,11 @@ _start:
 	or	%o0, %lo(main), %o0
 	or	%o3, %lo(__libc_csu_init), %o3
 	or	%o4, %lo(__libc_csu_fini), %o4
+#ifdef SHARED
+	ld	[%l7 + %o0], %o0
+	ld	[%l7 + %o3], %o3
+	ld	[%l7 + %o4], %o4
+#endif
 
   /* When starting a binary via the dynamic linker, %g1 contains the
      address of the shared library termination function, which will be
--- libc/sysdeps/sparc/sparc64/elf/start.S.jj	2002-12-09 21:37:20.000000000 +0100
+++ libc/sysdeps/sparc/sparc64/elf/start.S	2004-03-05 00:04:46.274650908 +0100
@@ -1,5 +1,5 @@
 /* Startup code for elf64-sparc
-   Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 2002, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -23,10 +23,21 @@
 
 	.section ".text"
 	.align 4
+#ifdef SHARED
+.LLGETPC0:
+	retl
+	 add	%o7, %l7, %l7
+#endif
 	.global _start
 	.type _start,#function
 _start:
 
+#ifdef SHARED
+	sethi	%hi(_GLOBAL_OFFSET_TABLE_-4), %l7
+	call	.LLGETPC0
+	 add	%l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
+#endif
+
   /* Terminate the stack frame, and reserve space for functions to
      drop their arguments.  */
 	mov	%g0, %fp
@@ -45,6 +56,11 @@ _start:
         or      %o0, %lo(main), %o0
         or      %o3, %lo(__libc_csu_init), %o3
         or      %o4, %lo(__libc_csu_fini), %o4
+#ifdef SHARED
+	ldx	[%l7 + %o0], %o0
+	ldx	[%l7 + %o3], %o3
+	ldx	[%l7 + %o4], %o4
+#endif
 
   /* When starting a binary via the dynamic linker, %g1 contains the
      address of the shared library termination function, which will be

	Jakub


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