diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/sys/ucontext.h | 25 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/Makefile | 10 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/Makefile | 9 | ||||
| -rw-r--r-- | sysdeps/mach/powerpc/machine-sp.h | 42 | ||||
| -rw-r--r-- | sysdeps/mach/powerpc/sysdep.h | 51 | ||||
| -rw-r--r-- | sysdeps/mach/powerpc/thread_state.h | 39 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h | 41 |
7 files changed, 165 insertions, 52 deletions
diff --git a/sysdeps/generic/sys/ucontext.h b/sysdeps/generic/sys/ucontext.h index e3c4ace..d643dfb 100644 --- a/sysdeps/generic/sys/ucontext.h +++ b/sysdeps/generic/sys/ucontext.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Data structures for user-level context switching. Generic version. + Copyright (C) 1997,98,99,2001 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 @@ -16,9 +17,29 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +/* This file's definitions suffice for any platform where all + the machine-specific state is described in `struct sigcontext'. */ + #ifndef _SYS_UCONTEXT_H #define _SYS_UCONTEXT_H 1 -#error "No system dependent context structure definitions" +#include <features.h> +#include <signal.h> + +/* We need the signal context definitions even if they are not used + included in <signal.h>. */ +#include <bits/sigcontext.h> + +typedef struct sigcontext mcontext_t; + +/* 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 */ diff --git a/sysdeps/mach/hurd/Makefile b/sysdeps/mach/hurd/Makefile index 586ca4a..f34a577 100644 --- a/sysdeps/mach/hurd/Makefile +++ b/sysdeps/mach/hurd/Makefile @@ -184,6 +184,16 @@ link-libc-static := $(link-libc) -Wl,-\( \ endif endif +ifeq ($(subdir),csu) + +extra-objs += static-start.o + +# We need special startup code for statically linked binaries. +$(objpfx)crt0.o: $(objpfx)static-start.o $(objpfx)abi-note.o $(objpfx)init.o + $(link-relocatable) + +endif + ifeq (hurd, $(subdir)) sysdep_routines += cthreads endif diff --git a/sysdeps/mach/hurd/i386/Makefile b/sysdeps/mach/hurd/i386/Makefile deleted file mode 100644 index b3c619a..0000000 --- a/sysdeps/mach/hurd/i386/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -ifeq ($(subdir),csu) - -extra-objs += static-start.o - -# We need special startup code for statically linked binaries. -$(objpfx)crt0.o: $(objpfx)static-start.o $(objpfx)abi-note.o $(objpfx)init.o - $(link-relocatable) - -endif diff --git a/sysdeps/mach/powerpc/machine-sp.h b/sysdeps/mach/powerpc/machine-sp.h new file mode 100644 index 0000000..949ccf1 --- /dev/null +++ b/sysdeps/mach/powerpc/machine-sp.h @@ -0,0 +1,42 @@ +/* Machine-specific function to return the stack pointer. PowerPC version. + Copyright (C) 2001 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _MACHINE_SP_H +#define _MACHINE_SP_H + +/* Return the current stack pointer. */ + +#ifndef _EXTERN_INLINE +/* Make sure this function is included in hurd/threadvar-inlines.c. */ +# ifdef _HURD_THREADVAR_H_EXTERN_INLINE +# define _EXTERN_INLINE _HURD_THREADVAR_H_EXTERN_INLINE +# else +# define _EXTERN_INLINE extern __inline +# endif +#endif + +_EXTERN_INLINE void * +__thread_stack_pointer (void) +{ + register void *__sp__; + __asm__ ("mr %0, 1" : "=r" (__sp__)); + return __sp__; +} + +#endif /* machine-sp.h */ diff --git a/sysdeps/mach/powerpc/sysdep.h b/sysdeps/mach/powerpc/sysdep.h new file mode 100644 index 0000000..bd56c19 --- /dev/null +++ b/sysdeps/mach/powerpc/sysdep.h @@ -0,0 +1,51 @@ +/* system call details for Mach on PowerPC + Copyright (C) 2001 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _MACH_POWERPC_SYSDEP_H +#define _MACH_POWERPC_SYSDEP_H + +#define START_ARGS char **sparg +#define SNARF_ARGS(argc, argv, envp) \ + do { \ + argv = &sparg[1]; \ + argc = *(int *)sparg; \ + envp = &argv[argc + 1]; \ + } while (0) + +#define CALL_WITH_SP(fn, sp) \ + do { \ + register long __sp = (long) sp, __fn = (long) fn; \ + asm volatile ("mr 1, %0; mtlr %1; blr" \ + : : "r" (__sp), "r" (__fn)); \ + } while (0) + +#define STACK_GROWTH_DOWN + +#define RETURN_TO(sp, pc, retval) \ + asm volatile ("mr 1, %0; mtctr %1; mr 3, %2; bctr" \ + : : "r" (sp), "r" (pc), "r" (retval)) + +/* Get the machine-independent Mach definitions. */ +#include <sysdeps/mach/sysdep.h> + +#undef ENTRY +#include <sysdeps/unix/sysdep.h> +#include <sysdeps/powerpc/elf/sysdep.h> + +#endif /* _MACH_POWERPC_SYSDEP_H */ diff --git a/sysdeps/mach/powerpc/thread_state.h b/sysdeps/mach/powerpc/thread_state.h new file mode 100644 index 0000000..8831351 --- /dev/null +++ b/sysdeps/mach/powerpc/thread_state.h @@ -0,0 +1,39 @@ +/* Mach thread state definitions for machine-independent code. PowerPC version + Copyright (C) 2001 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <mach/machine/thread_status.h> + +#define MACHINE_THREAD_STATE_FLAVOR PPC_THREAD_STATE +#define MACHINE_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT + +#define machine_thread_state ppc_thread_state + +#define PC srr0 +#define SP r1 +#define SYSRETURN r3 + +struct machine_thread_all_state + { + int set; /* Mask of bits (1 << FLAVOR). */ + struct ppc_thread_state basic; + struct ppc_exception_state exc; + struct ppc_float_state fpu; + }; + +#include <sysdeps/mach/thread_state.h> diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h deleted file mode 100644 index 07f0933..0000000 --- a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright (C) 1997, 1998, 1999 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. */ - -#ifndef _SYS_UCONTEXT_H -#define _SYS_UCONTEXT_H 1 - -#include <features.h> -#include <signal.h> - -/* We need the signal context definitions even if they are not used - included in <signal.h>. */ -#include <bits/sigcontext.h> - -typedef struct sigcontext mcontext_t; - -/* 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 */ |