+2003-04-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * sysdeps/unix/sysv/linux/mips/profil-counter: New.
+ * sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: Port to n32/n64.
+ * sysdeps/unix/sysv/linux/mips/bits/sigcontext.h: New.
+ * sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Port to n32/n64.
+ (mcontext_t): Make it match the 32-bit mips kernel in o32.
+ * sysdeps/unix/sysv/linux/mips/sys/user.h: Bring in constants from
+ the mips and mips64 headers.
+ (struct user): Port to n32/n64.
+
2003-04-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-tls.c (_dl_allocate_tls_init): Add cast to
--- /dev/null
+/* Copyright (C) 1996, 1997, 1998, 2003 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. */
+
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
+# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
+#endif
+
+#ifndef sigcontext_struct
+/* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
+ we need sigcontext. */
+# define sigcontext_struct sigcontext
+
+/* # include <asm/sigcontext.h> */
+/* Instead of including the kernel header, that will vary depending on
+ whether the 32- or the 64-bit kernel is installed, we paste the
+ contents here. In case you're wondering about the different
+ licenses, the fact that the file is pasted, instead of included,
+ doesn't really make any difference for the program that includes
+ this header. */
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 2000 by Ralf Baechle
+ */
+#ifndef _ASM_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/mips/tools/offset.c
+ */
+struct sigcontext {
+ unsigned int sc_regmask; /* Unused */
+ unsigned int sc_status;
+ unsigned long long sc_pc;
+ unsigned long long sc_regs[32];
+ unsigned long long sc_fpregs[32];
+ unsigned int sc_ownedfp; /* Unused */
+ unsigned int sc_fpc_csr;
+ unsigned int sc_fpc_eir; /* Unused */
+ unsigned int sc_used_math;
+ unsigned int sc_ssflags; /* Unused */
+ unsigned long long sc_mdhi;
+ unsigned long long sc_mdlo;
+
+ unsigned int sc_cause; /* Unused */
+ unsigned int sc_badvaddr; /* Unused */
+
+ unsigned long sc_sigset[4]; /* kernel's sigset_t */
+};
+
+#endif /* _ASM_SIGCONTEXT_H */
+#else /* _MIPS_SIM != _MIPS_SIM_ABI32 */
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 1999 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/mips/tools/offset.c
+ */
+struct sigcontext {
+ unsigned long long sc_regs[32];
+ unsigned long long sc_fpregs[32];
+ unsigned long long sc_mdhi;
+ unsigned long long sc_mdlo;
+ unsigned long long sc_pc;
+ unsigned int sc_status;
+ unsigned int sc_fpc_csr;
+ unsigned int sc_fpc_eir;
+ unsigned int sc_used_math;
+ unsigned int sc_cause;
+ unsigned int sc_badvaddr;
+};
+
+#endif /* _ASM_SIGCONTEXT_H */
+#endif /* _MIPS_SIM != _MIPS_SIM_ABI32 */
+#endif
--- /dev/null
+/* We can use the ix86 version. */
+#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
-/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2000.
02111-1307 USA. */
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+
#define SIGCONTEXT unsigned long _code, struct sigcontext *
#define SIGCONTEXT_EXTRA_ARGS _code,
#define GET_PC(ctx) ((void *) ctx->sc_pc)
#define GET_STACK(ctx) ((void *) ctx->sc_regs[29])
#define CALL_SIGHANDLER(handler, signo, ctx) \
(handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
+
+#else
+
+#define SIGCONTEXT unsigned long _code, ucontext_t *
+#define SIGCONTEXT_EXTRA_ARGS _code,
+#define GET_PC(ctx) ((void *) ctx->uc_mcontext.pc)
+#define GET_FRAME(ctx) ((void *) ctx->uc_mcontext.gregs[30])
+#define GET_STACK(ctx) ((void *) ctx->uc_mcontext.gregs[29])
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
+
+#endif
#include <bits/sigcontext.h>
-/* Type for general register. */
-#if defined _ABIN32 && _MIPS_SIM == _ABIN32
+/* Type for general register. Even in o32 we assume 64-bit registers,
+ like the kernel. */
__extension__ typedef unsigned long long int greg_t;
-#else
-typedef unsigned long int greg_t;
-#endif
/* Number of general registers. */
-#define NGREG 37
-#define NFPREG 33
+#define NGREG 32
+#define NFPREG 32
/* Container for all general registers. */
-/* gregset_t must be an array. The below declared array corresponds to:
-typedef struct gregset {
- greg_t g_regs[32];
- greg_t g_hi;
- greg_t g_lo;
- greg_t g_pad[3];
-} gregset_t; */
typedef greg_t gregset_t[NGREG];
/* Container for all FPU registers. */
typedef struct fpregset {
union {
- double fp_dregs[32];
+ double fp_dregs[NFPREG];
struct {
float _fp_fregs;
unsigned int _fp_pad;
- } fp_fregs[32];
+ } fp_fregs[NFPREG];
} fp_r;
- unsigned int fp_csr;
- unsigned int fp_pad;
} fpregset_t;
/* Context to describe whole processor state. */
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+/* 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
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 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
too much into it. Don't use it for anything other than GDB unless
you know what you are doing. */
-#include <asm/reg.h>
+/* #include <asm/reg.h> */
+/* Instead of including the kernel header, that will vary depending on
+ whether the 32- or the 64-bit kernel is installed, we paste its
+ contents here. Note that the fact that the file is inline here,
+ instead of included separately, doesn't change in any way the
+ licensing status of a program that includes user.h. Since this is
+ for gdb alone, and gdb is GPLed, no surprises here. */
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+/*
+ * Various register offset definitions for debuggers, core file
+ * examiners and whatnot.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995, 1999 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_REG_H
+#define __ASM_MIPS_REG_H
+
+/*
+ * This defines/structures correspond to the register layout on stack -
+ * if the order here is changed, it needs to be updated in
+ * include/asm-mips/stackframe.h
+ */
+#define EF_REG0 6
+#define EF_REG1 7
+#define EF_REG2 8
+#define EF_REG3 9
+#define EF_REG4 10
+#define EF_REG5 11
+#define EF_REG6 12
+#define EF_REG7 13
+#define EF_REG8 14
+#define EF_REG9 15
+#define EF_REG10 16
+#define EF_REG11 17
+#define EF_REG12 18
+#define EF_REG13 19
+#define EF_REG14 20
+#define EF_REG15 21
+#define EF_REG16 22
+#define EF_REG17 23
+#define EF_REG18 24
+#define EF_REG19 25
+#define EF_REG20 26
+#define EF_REG21 27
+#define EF_REG22 28
+#define EF_REG23 29
+#define EF_REG24 30
+#define EF_REG25 31
+/*
+ * k0/k1 unsaved
+ */
+#define EF_REG28 34
+#define EF_REG29 35
+#define EF_REG30 36
+#define EF_REG31 37
+
+/*
+ * Saved special registers
+ */
+#define EF_LO 38
+#define EF_HI 39
+
+#define EF_CP0_EPC 40
+#define EF_CP0_BADVADDR 41
+#define EF_CP0_STATUS 42
+#define EF_CP0_CAUSE 43
+
+#define EF_SIZE 180 /* size in bytes */
+
+#endif /* __ASM_MIPS_REG_H */
+
+#else /* _MIPS_SIM != _MIPS_SIM_ABI32 */
+
+/*
+ * Various register offset definitions for debuggers, core file
+ * examiners and whatnot.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995, 1999 Ralf Baechle
+ * Copyright (C) 1995, 1999 Silicon Graphics
+ */
+#ifndef _ASM_REG_H
+#define _ASM_REG_H
+
+/*
+ * This defines/structures correspond to the register layout on stack -
+ * if the order here is changed, it needs to be updated in
+ * include/asm-mips/stackframe.h
+ */
+#define EF_REG0 0
+#define EF_REG1 1
+#define EF_REG2 2
+#define EF_REG3 3
+#define EF_REG4 4
+#define EF_REG5 5
+#define EF_REG6 6
+#define EF_REG7 7
+#define EF_REG8 8
+#define EF_REG9 9
+#define EF_REG10 10
+#define EF_REG11 11
+#define EF_REG12 12
+#define EF_REG13 13
+#define EF_REG14 14
+#define EF_REG15 15
+#define EF_REG16 16
+#define EF_REG17 17
+#define EF_REG18 18
+#define EF_REG19 19
+#define EF_REG20 20
+#define EF_REG21 21
+#define EF_REG22 22
+#define EF_REG23 23
+#define EF_REG24 24
+#define EF_REG25 25
+/*
+ * k0/k1 unsaved
+ */
+#define EF_REG28 28
+#define EF_REG29 29
+#define EF_REG30 30
+#define EF_REG31 31
+
+/*
+ * Saved special registers
+ */
+#define EF_LO 32
+#define EF_HI 33
+
+#define EF_CP0_EPC 34
+#define EF_CP0_BADVADDR 35
+#define EF_CP0_STATUS 36
+#define EF_CP0_CAUSE 37
+
+#define EF_SIZE 304 /* size in bytes */
+
+#endif /* _ASM_REG_H */
+
+#endif /* _MIPS_SIM != _MIPS_SIM_ABI32 */
+
+#if _MIPS_SIM == _MIPS_SIM_ABI32
struct user
{
char u_comm[32]; /* user command name */
};
+#else
+
+struct user {
+ __extension__ unsigned long regs[EF_SIZE/8+64]; /* integer and fp regs */
+ __extension__ unsigned long u_tsize; /* text size (pages) */
+ __extension__ unsigned long u_dsize; /* data size (pages) */
+ __extension__ unsigned long u_ssize; /* stack size (pages) */
+ __extension__ unsigned long long start_code; /* text starting address */
+ __extension__ unsigned long long start_data; /* data starting address */
+ __extension__ unsigned long long start_stack; /* stack starting address */
+ __extension__ long long signal; /* signal causing core dump */
+ __extension__ unsigned long long u_ar0; /* help gdb find registers */
+ __extension__ unsigned long long magic; /* identifies a core file */
+ char u_comm[32]; /* user command name */
+};
+
+#endif
+
#define PAGE_SHIFT 12
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
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