diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/bits/sigcontext.h | 103 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/profil-counter.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sigcontextinfo.h | 16 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sys/ucontext.h | 61 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sys/user.h | 169 |
6 files changed, 341 insertions, 21 deletions
diff --git a/ChangeLog b/ChangeLog index 95c952a143..a3cb902566 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +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 diff --git a/sysdeps/unix/sysv/linux/mips/bits/sigcontext.h b/sysdeps/unix/sysv/linux/mips/bits/sigcontext.h new file mode 100644 index 0000000000..888c05f6b6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/bits/sigcontext.h @@ -0,0 +1,103 @@ +/* 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 diff --git a/sysdeps/unix/sysv/linux/mips/profil-counter.h b/sysdeps/unix/sysv/linux/mips/profil-counter.h new file mode 100644 index 0000000000..8a6a0bcf3d --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/profil-counter.h @@ -0,0 +1,2 @@ +/* We can use the ix86 version. */ +#include <sysdeps/unix/sysv/linux/i386/profil-counter.h> diff --git a/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h index a51c6f043c..3ab6d99e75 100644 --- a/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h +++ b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h @@ -1,4 +1,4 @@ -/* 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. @@ -18,6 +18,8 @@ 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) @@ -25,3 +27,15 @@ #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 diff --git a/sysdeps/unix/sysv/linux/mips/sys/ucontext.h b/sysdeps/unix/sysv/linux/mips/sys/ucontext.h index 9d80b4086a..66c729a4f9 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/mips/sys/ucontext.h @@ -29,47 +29,72 @@ #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 diff --git a/sysdeps/unix/sysv/linux/mips/sys/user.h b/sysdeps/unix/sysv/linux/mips/sys/user.h index 21f7b28ca1..8b21ff2786 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/user.h +++ b/sysdeps/unix/sysv/linux/mips/sys/user.h @@ -1,4 +1,4 @@ -/* 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 @@ -23,7 +23,154 @@ 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 { @@ -40,6 +187,24 @@ 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)) |