* [PATCH] Fix PIEs on SPARC{,64}
@ 2004-03-04 23:14 Jakub Jelinek
2004-03-04 23:23 ` Ulrich Drepper
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Jelinek @ 2004-03-04 23:14 UTC (permalink / raw)
To: Ulrich Drepper; +Cc: Glibc hackers, tcallawa
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Fix PIEs on SPARC{,64}
2004-03-04 23:14 [PATCH] Fix PIEs on SPARC{,64} Jakub Jelinek
@ 2004-03-04 23:23 ` Ulrich Drepper
0 siblings, 0 replies; 2+ messages in thread
From: Ulrich Drepper @ 2004-03-04 23:23 UTC (permalink / raw)
To: Jakub Jelinek; +Cc: Glibc hackers, tcallawa
Applied.
--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA â–
^ permalink raw reply [flat|nested] 2+ messages in thread
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