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Community source repository for glibc add-on ports branch, master, updated. glibc-2.11-78-g05479f3
- From: rth at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 26 Mar 2010 20:19:03 -0000
- Subject: Community source repository for glibc add-on ports branch, master, updated. glibc-2.11-78-g05479f3
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http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=05479f36bb5bf5fc48964fd1e2effc79406b36ef
commit 05479f36bb5bf5fc48964fd1e2effc79406b36ef
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 13:17:02 2010 -0700
alpha: Implement ____longjmp_chk.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 47e4aaa..ded299e 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,9 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S: New.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/sysv/linux/alpha/Versions: Update errlist-compat
for GLIBC_2.12.
diff --git a/sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S b/sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S
new file mode 100644
index 0000000..5194ed8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S
@@ -0,0 +1,139 @@
+/* Copyright (C) 1992, 1994, 1997, 2006, 2010 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 <sysdep.h>
+#include <jmpbuf-offsets.h>
+
+
+ .section .rodata.str1.1,"aMS",@progbits,1
+ .type longjmp_msg,@object
+longjmp_msg:
+ .string "longjmp causes uninitialized stack frame"
+ .size longjmp_msg, .-longjmp_msg
+
+
+/* Jump to the position specified by ENV, causing the
+ setjmp call there to return VAL, or 1 if VAL is 0.
+ void __longjmp (__jmp_buf env, int val). */
+ .text
+ .align 4
+ .globl ____longjmp_chk
+ .type ____longjmp_chk, @function
+ .usepv ____longjmp_chk, std
+
+ cfi_startproc
+____longjmp_chk:
+ ldgp gp, 0(pv)
+#ifdef PROF
+ .set noat
+ lda AT, _mcount
+ jsr AT, (AT), _mcount
+ .set at
+#endif
+
+ ldq s2, JB_PC*8(a0)
+ mov a0, s0
+ ldq fp, JB_FP*8(a0)
+ mov a1, s1
+ ldq s3, JB_SP*8(a0)
+ cmoveq s1, 1, s1
+
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE(s2, t1)
+ PTR_DEMANGLE2(s3, t1)
+ PTR_DEMANGLE2(fp, t1)
+#endif
+ cmpule t0, sp, t1
+ bne t1, .Lfail
+
+ .align 4
+.Lok:
+ mov s0, a0
+ mov s1, v0
+ mov s3, t0
+ mov s2, ra
+ cfi_remember_state
+ cfi_def_cfa(a0, 0)
+ cfi_register(sp, t0)
+ cfi_offset(s0, JB_S0*8)
+ cfi_offset(s1, JB_S1*8)
+ cfi_offset(s2, JB_S2*8)
+ cfi_offset(s3, JB_S3*8)
+ cfi_offset(s4, JB_S4*8)
+ cfi_offset(s5, JB_S5*8)
+ cfi_offset(s3, JB_S3*8)
+ cfi_offset($f2, JB_F2*8)
+ cfi_offset($f3, JB_F3*8)
+ cfi_offset($f4, JB_F4*8)
+ cfi_offset($f5, JB_F5*8)
+ cfi_offset($f6, JB_F6*8)
+ cfi_offset($f7, JB_F7*8)
+ cfi_offset($f8, JB_F8*8)
+ cfi_offset($f9, JB_F9*8)
+ ldq s0, JB_S0*8(a0)
+ ldq s1, JB_S1*8(a0)
+ ldq s2, JB_S2*8(a0)
+ ldq s3, JB_S3*8(a0)
+ ldq s4, JB_S4*8(a0)
+ ldq s5, JB_S5*8(a0)
+ ldt $f2, JB_F2*8(a0)
+ ldt $f3, JB_F3*8(a0)
+ ldt $f4, JB_F4*8(a0)
+ ldt $f5, JB_F5*8(a0)
+ ldt $f6, JB_F6*8(a0)
+ ldt $f7, JB_F7*8(a0)
+ ldt $f8, JB_F8*8(a0)
+ ldt $f9, JB_F9*8(a0)
+ mov t0, sp
+ ret
+
+ .align 4
+.Lfail:
+ cfi_restore_state
+ lda v0, __NR_sigaltstack
+ lda a0, 0
+ lda a1, -32(sp)
+ lda sp, -32(sp)
+ cfi_adjust_cfa_offset(32)
+ callsys
+ ldq t0, 0(sp) /* ss_sp */
+ ldl t1, 8(sp) /* ss_flags */
+ ldq t2, 16(sp) /* ss_size */
+ lda sp, 32(sp)
+ cfi_adjust_cfa_offset(-32)
+
+ /* Without working sigaltstack we cannot perform the test. */
+ bne a3, .Lok
+
+ addq t0, t2, t0 /* t0 = ss_sp + ss_size */
+ subq t0, s3, t0 /* t0 = (ss_sp + ss_size) - new_sp */
+ cmpule t2, t0, t0 /* t0 = (t0 >= ss_size) */
+ and t0, t1, t0 /* t0 = (t0 >= ss_size) & (ss_flags & SS_ONSTACK) */
+ bne t0, .Lok
+
+ ldah a0, longjmp_msg(gp) !gprelhigh
+ lda a0, longjmp_msg(a0) !gprellow
+#ifdef PIC
+ jsr ra, HIDDEN_JUMPTARGET(__fortify_fail)
+#else
+ bsr ra, HIDDEN_JUMPTARGET(__fortify_fail) !samegp
+#endif
+ bugchk
+
+ cfi_endproc
+ .size ____longjmp_chk, .-____longjmp_chk
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=c87187fbb55984ea6bdc23e1f31744ea336786a8
commit c87187fbb55984ea6bdc23e1f31744ea336786a8
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 11:21:47 2010 -0700
alpha: Fix errlist-compat for GLIBC_2.12.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index fc386bb..47e4aaa 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,10 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/sysv/linux/alpha/Versions: Update errlist-compat
+ for GLIBC_2.12.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/alpha/fpu/fegetenv.c: Add hidden alias.
2010-03-26 Richard Henderson <rth@redhat.com>
diff --git a/sysdeps/unix/sysv/linux/alpha/Versions b/sysdeps/unix/sysv/linux/alpha/Versions
index 8709dd2..5a617b4 100644
--- a/sysdeps/unix/sysv/linux/alpha/Versions
+++ b/sysdeps/unix/sysv/linux/alpha/Versions
@@ -77,6 +77,10 @@ libc {
#errlist-compat 138
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
+ GLIBC_2.12 {
+ #errlist-compat 139
+ _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
+ }
GLIBC_PRIVATE {
__libc_alpha_cache_shape;
}
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=3a808c3df7710f930e9690ec422cea877a6680a9
commit 3a808c3df7710f930e9690ec422cea877a6680a9
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 11:20:21 2010 -0700
alpha: Add hidden alias for fegetenv.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 784f6b7..fc386bb 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,9 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/alpha/fpu/fegetenv.c: Add hidden alias.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/sysv/linux/alpha/dl-auxv.h (__libc_alpha_cache_shape):
Define extern here; move definition...
* sysdeps/unix/sysv/linux/alpha/dl-sysdep.c: ... here.
diff --git a/sysdeps/alpha/fpu/fegetenv.c b/sysdeps/alpha/fpu/fegetenv.c
index c1950fa..ceaf9ed 100644
--- a/sysdeps/alpha/fpu/fegetenv.c
+++ b/sysdeps/alpha/fpu/fegetenv.c
@@ -1,5 +1,5 @@
/* Store current floating-point environment.
- Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc.
+ Copyright (C) 1997,99,2000,2001,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1997
@@ -45,3 +45,4 @@ compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
#endif
versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);
+libm_hidden_ver(__fegetenv, fegetenv)
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=45e3c406530f1a185fe236173b39ee74b6176d82
commit 45e3c406530f1a185fe236173b39ee74b6176d82
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 11:10:23 2010 -0700
alpha: Only define __libc_alpha_cache_shape in dl-sysdep.c.
The static program builds in libc were getting multiple
definition errors between dl-sysdep and dl-support.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 739efce..784f6b7 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,11 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/sysv/linux/alpha/dl-auxv.h (__libc_alpha_cache_shape):
+ Define extern here; move definition...
+ * sysdeps/unix/sysv/linux/alpha/dl-sysdep.c: ... here.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/sysv/linux/alpha/sys/user.h: Don't include asm/page.h.
(PAGE_SHIFT, PAGE_SIZE, PAGE_MASK): Define.
diff --git a/sysdeps/unix/sysv/linux/alpha/dl-auxv.h b/sysdeps/unix/sysv/linux/alpha/dl-auxv.h
index 8afc4db..075797d 100644
--- a/sysdeps/unix/sysv/linux/alpha/dl-auxv.h
+++ b/sysdeps/unix/sysv/linux/alpha/dl-auxv.h
@@ -19,7 +19,7 @@
/* Scan the Aux Vector for the cache shape entries. */
-long __libc_alpha_cache_shape[4] = { -2, -2, -2, -2 };
+extern long __libc_alpha_cache_shape[4];
#define DL_PLATFORM_AUXV \
case AT_L1I_CACHESHAPE: \
diff --git a/sysdeps/unix/sysv/linux/alpha/dl-sysdep.c b/sysdeps/unix/sysv/linux/alpha/dl-sysdep.c
index 4034820..5d0867a 100644
--- a/sysdeps/unix/sysv/linux/alpha/dl-sysdep.c
+++ b/sysdeps/unix/sysv/linux/alpha/dl-sysdep.c
@@ -1,2 +1,5 @@
#include "dl-auxv.h"
+
+long __libc_alpha_cache_shape[4] = { -2, -2, -2, -2 };
+
#include <sysdeps/unix/sysv/linux/dl-sysdep.c>
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=6546e0c4997c8af8075cb6b36b8bab7de492537d
commit 6546e0c4997c8af8075cb6b36b8bab7de492537d
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:41:22 2010 -0700
alpha: Don't include asm/page.h in sys/user.h.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 84945a8..739efce 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,10 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/sysv/linux/alpha/sys/user.h: Don't include asm/page.h.
+ (PAGE_SHIFT, PAGE_SIZE, PAGE_MASK): Define.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h (F_SETOWN_EX,
F_GETOWN_EX, F_OWNER_TID, F_OWNER_PID, F_OWNER_PGRP,
F_OWNER_GID, struct f_owner_ex): Define.
diff --git a/sysdeps/unix/sysv/linux/alpha/sys/user.h b/sysdeps/unix/sysv/linux/alpha/sys/user.h
index 4cd29d2..193085d 100644
--- a/sysdeps/unix/sysv/linux/alpha/sys/user.h
+++ b/sysdeps/unix/sysv/linux/alpha/sys/user.h
@@ -23,7 +23,6 @@
only. Don't read too much into it. Don't use it for anything other
than gdb/strace unless you know what you are doing. */
-#include <asm/page.h>
#include <asm/reg.h>
struct user
@@ -41,6 +40,9 @@ struct user
char u_comm[32]; /* user command name */
};
+#define PAGE_SHIFT 13
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=c735022ded3fb7967bf24b9f385cd7f8f1cdea77
commit c735022ded3fb7967bf24b9f385cd7f8f1cdea77
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:38:14 2010 -0700
alpha: Update bits/fcntl.h for XPG7 and define f_owner_ex et al.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 6cb84b8..84945a8 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,12 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/sysv/linux/alpha/bits/fcntl.h (F_SETOWN_EX,
+ F_GETOWN_EX, F_OWNER_TID, F_OWNER_PID, F_OWNER_PGRP,
+ F_OWNER_GID, struct f_owner_ex): Define.
+ (F_SETOWN, F_GETOWN): Define with XPG7.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/alpha/sysdep.h (PTR_MANGLE): Define for !PIC too.
(PTR_DEMANGLE): Likewise.
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
index 7a6a3fd..860e9ac 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
@@ -81,7 +81,7 @@
#define F_SETLK64 F_SETLK /* Set record locking info (non-blocking). */
#define F_SETLKW64 F_SETLKW /* Set record locking info (blocking). */
-#if defined __USE_BSD || defined __USE_UNIX98 || defiend __USE_XOPEN2K8
+#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
# define F_SETOWN 5 /* Get owner of socket (receiver of SIGIO). */
# define F_GETOWN 6 /* Set owner of socket (receiver of SIGIO). */
#endif
@@ -89,6 +89,8 @@
#ifdef __USE_GNU
# define F_SETSIG 10 /* Set number of signal to be sent. */
# define F_GETSIG 11 /* Get number of signal to be sent. */
+# define F_SETOWN_EX 15 /* Get owner (thread receiving SIGIO). */
+# define F_GETOWN_EX 16 /* Set owner (thread receiving SIGIO). */
#endif
#ifdef __USE_GNU
@@ -161,6 +163,23 @@ struct flock64
};
#endif
+#ifdef __USE_GNU
+/* Owner types. */
+enum __pid_type
+ {
+ F_OWNER_TID = 0, /* Kernel thread. */
+ F_OWNER_PID, /* Process. */
+ F_OWNER_PGRP, /* Process group. */
+ F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
+ };
+
+/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
+struct f_owner_ex
+ {
+ enum __pid_type type; /* Owner type of ID. */
+ __pid_t pid; /* ID of owner. */
+ };
+#endif
/* Define some more compatibility macros to be backward compatible with
BSD systems which did not managed to hide these kernel macros. */
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=ee390edfa9018351f794f73207a1dbb324feace0
commit ee390edfa9018351f794f73207a1dbb324feace0
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:30:25 2010 -0700
alpha: Define PTR_MANGLE for !PIC too.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index e4c4a6c..6cb84b8 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,10 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/alpha/sysdep.h (PTR_MANGLE): Define for !PIC too.
+ (PTR_DEMANGLE): Likewise.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/unix/alpha/sysdep.h (INTERNAL_SYSCALL_ERROR_P,
INTERNAL_SYSCALL_ERRNO): "Use" the "other" variable in each macro.
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index 8accde0..d9009c1 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -430,11 +430,21 @@ extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp)
# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp)
# else
-extern uintptr_t __pointer_chk_guard attribute_relro;
+extern const uintptr_t __pointer_chk_guard attribute_relro;
# define PTR_MANGLE(var) \
- (var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
+ (var) = (__typeof(var)) ((uintptr_t) (var) ^ __pointer_chk_guard)
# define PTR_DEMANGLE(var) PTR_MANGLE(var)
# endif
+#else
+/* There exists generic C code that assumes that PTR_MANGLE is always
+ defined. When generating code for the static libc, we don't have
+ __pointer_chk_guard defined. Nor is there any place that would
+ initialize it if it were defined, so there's little point in doing
+ anything more than nothing. */
+# ifndef __ASSEMBLER__
+# define PTR_MANGLE(var)
+# define PTR_DEMANGLE(var)
+# endif
#endif
#endif /* ASSEMBLER */
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=cce01cf0a17e075204b8f2fae32900dda7211a71
commit cce01cf0a17e075204b8f2fae32900dda7211a71
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:29:42 2010 -0700
alpha: Avoid unused variable warnings with INTERNAL_SYSCALL_ERR*.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 78ce863..e4c4a6c 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,10 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdeps/unix/alpha/sysdep.h (INTERNAL_SYSCALL_ERROR_P,
+ INTERNAL_SYSCALL_ERRNO): "Use" the "other" variable in each macro.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdep/unix/sysv/linux/alpha/creat.c: New.
2010-03-26 Richard Henderson <rth@redhat.com>
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index 2e5bc79..8accde0 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995, 1996, 2000, 2003, 2004, 2006
+/* Copyright (C) 1992, 1995, 1996, 2000, 2003, 2004, 2006, 2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
@@ -191,8 +191,10 @@ __LABEL(name) \
})
#define INTERNAL_SYSCALL_DECL(err) long int err
-#define INTERNAL_SYSCALL_ERROR_P(val, err) err
-#define INTERNAL_SYSCALL_ERRNO(val, err) val
+/* Make sure and "use" the variable that we're not returning,
+ in order to suppress unused variable warnings. */
+#define INTERNAL_SYSCALL_ERROR_P(val, err) ((void)val, err)
+#define INTERNAL_SYSCALL_ERRNO(val, err) ((void)err, val)
#define inline_syscall_clobbers \
"$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", \
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=c7b880234d57e2c09cb7d4c8e9bf155ec15077a3
commit c7b880234d57e2c09cb7d4c8e9bf155ec15077a3
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:28:37 2010 -0700
alpha: Add sysdep/unix/sysv/linux/alpha/creat.c.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 948cdc6..78ce863 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,9 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdep/unix/sysv/linux/alpha/creat.c: New.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdep/alpha/elf/configure.in (libc_cv_alpha_hidden_gprel)
Adjust the test for gcc 4.5.
* sysdep/alpha/elf/configure: Rebuild.
diff --git a/sysdeps/unix/sysv/linux/alpha/creat.c b/sysdeps/unix/sysv/linux/alpha/creat.c
new file mode 100644
index 0000000..9e661ba
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/creat.c
@@ -0,0 +1,8 @@
+/* sysdeps/unix/sysv/linux/wordsize-64/syscalls.list defines creat and
+ creat64 for most linux targets, but on alpha creat is not a syscall.
+ If we do nothing, we'll wind up with creat64 being undefined, because
+ the syscalls.list assumes the creat->creat64 alias was created. We
+ could have overridden that with a create64.c, but we might as well do
+ the right thing and set up creat64 as an alias. */
+#include <io/creat.c>
+weak_alias(__libc_creat, creat64)
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=a9374d8174c2191b0cac73baf4a30a919f84443e
commit a9374d8174c2191b0cac73baf4a30a919f84443e
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:27:37 2010 -0700
alpha: Adjust the libc_cv_alpha_hidden_gprel test for gcc 4.5.
GCC 4.5 was able to tell that BAR was read-only and zero, and
elided the load. Which caused the pattern match to fail.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 4e2eb5b..948cdc6 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,11 @@
2010-03-26 Richard Henderson <rth@redhat.com>
+ * sysdep/alpha/elf/configure.in (libc_cv_alpha_hidden_gprel)
+ Adjust the test for gcc 4.5.
+ * sysdep/alpha/elf/configure: Rebuild.
+
+2010-03-26 Richard Henderson <rth@redhat.com>
+
* sysdeps/alpha/bits/atomic.h (__arch_exchange_8_int,
__arch_exchange_16_int, __arch_exchange_32_int,
__arch_exchange_64_int, __arch_exchange_and_add_32_int,
diff --git a/sysdeps/alpha/elf/configure b/sysdeps/alpha/elf/configure
index ea99e35..1d594dc 100644
--- a/sysdeps/alpha/elf/configure
+++ b/sysdeps/alpha/elf/configure
@@ -4,10 +4,10 @@
if test "$usetls" != no; then
# Check for support of thread-local storage handling in assembler and
# linker.
-echo "$as_me:$LINENO: checking for Alpha TLS support" >&5
-echo $ECHO_N "checking for Alpha TLS support... $ECHO_C" >&6
+{ $as_echo "$as_me:$LINENO: checking for Alpha TLS support" >&5
+$as_echo_n "checking for Alpha TLS support... " >&6; }
if test "${libc_cv_alpha_tls+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
+ $as_echo_n "(cached) " >&6
else
cat > conftest.s <<\EOF
.section ".tdata", "awT", @progbits
@@ -47,7 +47,7 @@ if { ac_try='${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
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_alpha_tls=yes
else
@@ -55,8 +55,8 @@ else
fi
rm -f conftest*
fi
-echo "$as_me:$LINENO: result: $libc_cv_alpha_tls" >&5
-echo "${ECHO_T}$libc_cv_alpha_tls" >&6
+{ $as_echo "$as_me:$LINENO: result: $libc_cv_alpha_tls" >&5
+$as_echo "$libc_cv_alpha_tls" >&6; }
if test $libc_cv_alpha_tls = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_TLS_SUPPORT 1
@@ -65,19 +65,15 @@ _ACEOF
fi
fi
-echo "$as_me:$LINENO: checking for GP relative module local relocs" >&5
-echo $ECHO_N "checking for GP relative module local relocs... $ECHO_C" >&6
+{ $as_echo "$as_me:$LINENO: checking for GP relative module local relocs" >&5
+$as_echo_n "checking for GP relative module local relocs... " >&6; }
if test "${libc_cv_alpha_hidden_gprel+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
+ $as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
-static int bar;
+static volatile int bar;
int baz __attribute__((visibility("hidden")));
-
-int foo (void)
-{
- return bar + baz;
-}
+int f(void) { return bar + baz; }
EOF
libc_cv_alpha_hidden_gprel=no
@@ -85,7 +81,7 @@ if { ac_try='${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
if grep -q 'bar.*!gprel' conftest.s \
&& grep -q 'baz.*!gprel' conftest.s \
@@ -96,8 +92,8 @@ if { ac_try='${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&5'
fi
rm -f conftest*
fi
-echo "$as_me:$LINENO: result: $libc_cv_alpha_hidden_gprel" >&5
-echo "${ECHO_T}$libc_cv_alpha_hidden_gprel" >&6
+{ $as_echo "$as_me:$LINENO: result: $libc_cv_alpha_hidden_gprel" >&5
+$as_echo "$libc_cv_alpha_hidden_gprel" >&6; }
if test $libc_cv_alpha_hidden_gprel = yes; then
cat >>confdefs.h <<\_ACEOF
#define PI_STATIC_AND_HIDDEN 1
diff --git a/sysdeps/alpha/elf/configure.in b/sysdeps/alpha/elf/configure.in
index 7986814..3a47934 100644
--- a/sysdeps/alpha/elf/configure.in
+++ b/sysdeps/alpha/elf/configure.in
@@ -53,13 +53,9 @@ fi
AC_CACHE_CHECK(for GP relative module local relocs, libc_cv_alpha_hidden_gprel, [dnl
cat > conftest.c <<\EOF
-static int bar;
+static volatile int bar;
int baz __attribute__((visibility("hidden")));
-
-int foo (void)
-{
- return bar + baz;
-}
+int f(void) { return bar + baz; }
EOF
dnl
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=6796df65e4d8320e1eb3b9e74dcd972a0bd6ae20
commit 6796df65e4d8320e1eb3b9e74dcd972a0bd6ae20
Author: Richard Henderson <rth@twiddle.net>
Date: Fri Mar 26 10:25:53 2010 -0700
alpha: Fix the return type of the atomic.h macros.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 4cf27f4..4e2eb5b 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,3 +1,11 @@
+2010-03-26 Richard Henderson <rth@redhat.com>
+
+ * sysdeps/alpha/bits/atomic.h (__arch_exchange_8_int,
+ __arch_exchange_16_int, __arch_exchange_32_int,
+ __arch_exchange_64_int, __arch_exchange_and_add_32_int,
+ __arch_exchange_and_add_64_int): Use __typeof to get the
+ return type correct without warning.
+
2010-03-23 Matt Turner <mattst88@gmail.com>
Aurelien Jarno <aurelien@aurel32.net>
diff --git a/sysdeps/alpha/bits/atomic.h b/sysdeps/alpha/bits/atomic.h
index 36a740c..602fde3 100644
--- a/sysdeps/alpha/bits/atomic.h
+++ b/sysdeps/alpha/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2010 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
@@ -221,7 +221,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_8_int(mem, value, mb1, mb2) \
({ \
- unsigned long __ret, __tmp, __addr64, __sval; \
+ unsigned long __tmp, __addr64, __sval; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
" andnot %[__addr8],7,%[__addr64]\n" \
@@ -244,7 +244,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_16_int(mem, value, mb1, mb2) \
({ \
- unsigned long __ret, __tmp, __addr64, __sval; \
+ unsigned long __tmp, __addr64, __sval; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
" andnot %[__addr16],7,%[__addr64]\n" \
@@ -267,7 +267,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_32_int(mem, value, mb1, mb2) \
({ \
- signed int __ret, __tmp; \
+ signed int __tmp; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
"1: ldl_l %[__ret],%[__mem]\n" \
@@ -284,7 +284,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_64_int(mem, value, mb1, mb2) \
({ \
- unsigned long __ret, __tmp; \
+ unsigned long __tmp; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
"1: ldq_l %[__ret],%[__mem]\n" \
@@ -316,7 +316,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_and_add_32_int(mem, value, mb1, mb2) \
({ \
- signed int __ret, __tmp; \
+ signed int __tmp; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
"1: ldl_l %[__ret],%[__mem]\n" \
@@ -333,7 +333,7 @@ typedef uintmax_t uatomic_max_t;
#define __arch_exchange_and_add_64_int(mem, value, mb1, mb2) \
({ \
- unsigned long __ret, __tmp; \
+ unsigned long __tmp; __typeof(*mem) __ret; \
__asm__ __volatile__ ( \
mb1 \
"1: ldq_l %[__ret],%[__mem]\n" \
-----------------------------------------------------------------------
Summary of changes:
ChangeLog.alpha | 59 ++++++++++
sysdeps/alpha/bits/atomic.h | 14 +-
sysdeps/alpha/elf/configure | 32 +++---
sysdeps/alpha/elf/configure.in | 8 +-
sysdeps/alpha/fpu/fegetenv.c | 3 +-
sysdeps/unix/alpha/sysdep.h | 22 +++-
sysdeps/unix/sysv/linux/alpha/Versions | 4 +
sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S | 139 +++++++++++++++++++++++
sysdeps/unix/sysv/linux/alpha/bits/fcntl.h | 21 ++++-
sysdeps/unix/sysv/linux/alpha/creat.c | 8 ++
sysdeps/unix/sysv/linux/alpha/dl-auxv.h | 2 +-
sysdeps/unix/sysv/linux/alpha/dl-sysdep.c | 3 +
sysdeps/unix/sysv/linux/alpha/sys/user.h | 4 +-
13 files changed, 279 insertions(+), 40 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/alpha/____longjmp_chk.S
create mode 100644 sysdeps/unix/sysv/linux/alpha/creat.c
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