(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

2025-07-29 11:41:21 +03:00 · 2004-12-22 20:10:10 +00:00
parent 0ecb606cb6
commit a334319f65
6215 changed files with 304673 additions and 494300 deletions
--- a/sysdeps/unix/sysv/linux/mips/sys/ucontext.h
+++ b/sysdeps/unix/sysv/linux/mips/sys/ucontext.h
@ -0,0 +1,109 @@
+/* Copyright (C) 1997, 1998, 2000, 2003, 2004 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.  */
+
+/* Don't rely on this, the interface is currently messed up and may need to
+   be broken to be fixed.  */
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <sgidefs.h>
+#include <signal.h>
+
+/* We need the signal context definitions even if they are not used
+   included in <signal.h>.  */
+#include <bits/sigcontext.h>
+
+/* Type for general register.  Even in o32 we assume 64-bit registers,
+   like the kernel.  */
+__extension__ typedef unsigned long long int greg_t;
+
+/* Number of general registers.  */
+#define NGREG	32
+#define NFPREG	32
+
+/* Container for all general registers.  */
+typedef greg_t gregset_t[NGREG];
+
+/* Container for all FPU registers.  */
+typedef struct fpregset {
+	union {
+		double	fp_dregs[NFPREG];
+		struct {
+			float		_fp_fregs;
+			unsigned int	_fp_pad;
+		} fp_fregs[NFPREG];
+	} fp_r;
+} fpregset_t;
+
+
+/* Context to describe whole processor state.  */
+#if _MIPS_SIM == _ABIO32
+/* Earlier versions of glibc for mips had an entirely different
+   definition of mcontext_t, that didn't even resemble the
+   corresponding kernel data structure.  Since all legitimate uses of
+   ucontext_t in glibc mustn't have accessed anything beyond
+   uc_mcontext and, even then, taking a pointer to it, casting it to
+   sigcontext_t, and accessing it as such, which is what it has always
+   been, this can still be rectified.  Fortunately, makecontext,
+   [gs]etcontext et all have never been implemented.  */
+typedef struct
+  {
+    unsigned int regmask;
+    unsigned int status;
+    greg_t pc;
+    gregset_t gregs;
+    fpregset_t fpregs;
+    unsigned int fp_owned;
+    unsigned int fpc_csr;
+    unsigned int fpc_eir;
+    unsigned int used_math;
+    unsigned int ssflags;
+    greg_t mdhi;
+    greg_t mdlo;
+    unsigned int cause;
+    unsigned int badvaddr;
+  } mcontext_t;
+#else
+typedef struct
+  {
+    gregset_t gregs;
+    fpregset_t fpregs;
+    greg_t mdhi;
+    greg_t mdlo;
+    greg_t pc;
+    unsigned int status;
+    unsigned int fpc_csr;
+    unsigned int fpc_eir;
+    unsigned int used_math;
+    unsigned int cause;
+    unsigned int badvaddr;
+  } mcontext_t;
+#endif
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long int uc_flags;
+    struct ucontext *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
+
+#endif /* sys/ucontext.h */