diff options
Diffstat (limited to 'libc/sysdeps/linux/h8300/bits')
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/atomicity.h | 79 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/huge_val.h | 75 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/kernel_stat.h | 5 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/kernel_types.h | 24 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/mman.h | 20 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/resource.h | 204 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/setjmp.h | 42 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/sigcontextinfo.h | 26 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/stackinfo.h | 28 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/syscalls.h | 156 | ||||
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/wordsize.h | 20 |
11 files changed, 316 insertions, 363 deletions
diff --git a/libc/sysdeps/linux/h8300/bits/atomicity.h b/libc/sysdeps/linux/h8300/bits/atomicity.h new file mode 100644 index 000000000..a4fcc1524 --- /dev/null +++ b/libc/sysdeps/linux/h8300/bits/atomicity.h @@ -0,0 +1,79 @@ +/* Low-level functions for atomic operations. H8/300 version. + Copyright (C) 1997, 2000, 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 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 _ATOMICITY_H +#define _ATOMICITY_H 1 + +#include <inttypes.h> + + +static inline uint32_t +__attribute__ ((unused)) +exchange_and_add (volatile uint32_t *mem, uint32_t val) +{ + uint32_t result; + __asm__ __volatile__ ("stc ccr,@-sp\n\t" + "orc #0x80,ccr\n\t" + "mov.l %1,er1\n\t" + "mov.l %0,%1\n\t" + "add.l er1,%0\n\t" + "ldc @sp+,ccr" + : "=r" (result), "=m" (*mem) + : "0" (val), "1" (*mem) + : "er1"); + return result; +} + +static inline void +__attribute__ ((unused)) +atomic_add (volatile uint32_t *mem, int val) +{ + __asm__ __volatile__ ("stc ccr,@-sp\n\t" + "orc #0x80,ccr\n\t" + "mov.l %0,er0\n\t" + "add %1,er0\n\t" + "mov.l er0,%0\n\t" + "ldc @sp+,ccr" + : "=m" (*mem) + : "r" (val), "0" (*mem) + : "er0"); +} + +static inline int +__attribute__ ((unused)) +compare_and_swap (volatile long int *p, long int oldval, long int newval) +{ + int ret = 0; + + __asm__ __volatile__ ("stc ccr,@-sp\n\t" + "orc #0x80,ccr\n\t" + "mov.l %1,er0\n\t" + "cmp.l %2,er0\n\t" + "bne 1f\n\t" + "mov.l %3,%1\n\t" + "inc.l #1,%0\n" + "1:\n\t" + "ldc @sp+,ccr" + : "=r"(ret),"=m"(*p) + : "r"(oldval),"r"(newval),"0"(ret),"1"(*p) + : "er0"); + return ret; +} + +#endif /* atomicity.h */ diff --git a/libc/sysdeps/linux/h8300/bits/huge_val.h b/libc/sysdeps/linux/h8300/bits/huge_val.h deleted file mode 100644 index 822b82930..000000000 --- a/libc/sysdeps/linux/h8300/bits/huge_val.h +++ /dev/null @@ -1,75 +0,0 @@ -/* `HUGE_VAL' constants for m68k (where it is infinity). - Used by <stdlib.h> and <math.h> functions for overflow. - Copyright (C) 1992, 1995, 1996, 1997 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 _MATH_H -# error "Never use <bits/huge_val.h> directly; include <math.h> instead." -#endif - - -#include <features.h> -#include <sys/cdefs.h> - -/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ - -#ifdef __GNUC__ - -# define HUGE_VAL \ - (__extension__ \ - ((union { unsigned long long __l; double __d; }) \ - { __l: 0x7ff0000000000000ULL }).__d) - -#else /* not GCC */ - -static union { unsigned char __c[8]; double __d; } __huge_val = - { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } }; -# define HUGE_VAL (__huge_val.__d) - -#endif /* GCC. */ - - -/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC9X - -# ifdef __GNUC__ - -# define HUGE_VALF \ - (__extension__ \ - ((union { unsigned long __l; float __f; }) \ - { __l: 0x7f800000UL }).__f) - -# define HUGE_VALL \ - (__extension__ \ - ((union { unsigned long __l[3]; long double __ld; }) \ - { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld) - -# else /* not GCC */ - -static union { unsigned char __c[4]; float __f; } __huge_valf = - { { 0x7f, 0x80, 0, 0 } }; -# define HUGE_VALF (__huge_valf.__f) - -static union { unsigned char __c[12]; long double __ld; } __huge_vall = - { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } }; -# define HUGE_VALL (__huge_vall.__ld) - -# endif /* GCC. */ - -#endif /* __USE_ISOC9X. */ diff --git a/libc/sysdeps/linux/h8300/bits/kernel_stat.h b/libc/sysdeps/linux/h8300/bits/kernel_stat.h index 3d2805e7f..c227a30d0 100644 --- a/libc/sysdeps/linux/h8300/bits/kernel_stat.h +++ b/libc/sysdeps/linux/h8300/bits/kernel_stat.h @@ -38,13 +38,12 @@ struct kernel_stat64 { unsigned int st_nlink; unsigned long st_uid; unsigned long st_gid; - unsigned char __pad2[6]; unsigned short st_rdev; - unsigned char __pad3[2]; + unsigned char __pad3[10]; long long st_size; unsigned long st_blksize; - unsigned long __pad4; /* future possible st_blocks high bits */ unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + unsigned long __pad4; /* future possible st_blocks high bits */ unsigned long st_atime; unsigned long __pad5; unsigned long st_mtime; diff --git a/libc/sysdeps/linux/h8300/bits/kernel_types.h b/libc/sysdeps/linux/h8300/bits/kernel_types.h index ad0c08271..057067560 100644 --- a/libc/sysdeps/linux/h8300/bits/kernel_types.h +++ b/libc/sysdeps/linux/h8300/bits/kernel_types.h @@ -1,11 +1,11 @@ -/* Note that we use the exact same include guard #define names - * as asm/posix_types.h. This will avoid gratuitous conflicts - * with the posix_types.h kernel header, and will ensure that - * our private content, and not the kernel header, will win. - * -Erik - */ -#ifndef __ARCH_H8300_POSIX_TYPES_H -#define __ARCH_H8300_POSIX_TYPES_H +#ifndef _BITS_KERNEL_TYPES_H +#define _BITS_KERNEL_TYPES_H + +/* Sigh. We need to carefully wrap this one... No guarantees + * that the asm/posix_types.h kernel header is working. Many + * arches have broken headers that introduce tons of gratuitous + * conflicts with uClibc's namespace. See bits/kernel_types.h + * for i386, arm, etc for examples... */ typedef unsigned short __kernel_dev_t; typedef unsigned long __kernel_ino_t; @@ -28,14 +28,10 @@ typedef unsigned short __kernel_uid16_t; typedef unsigned short __kernel_gid16_t; typedef unsigned int __kernel_uid32_t; typedef unsigned int __kernel_gid32_t; - typedef unsigned short __kernel_old_uid_t; typedef unsigned short __kernel_old_gid_t; -typedef __kernel_dev_t __kernel_old_dev_t; - -#ifdef __GNUC__ typedef long long __kernel_loff_t; -#endif +typedef __kernel_dev_t __kernel_old_dev_t; typedef struct { #ifdef __USE_ALL @@ -45,4 +41,4 @@ typedef struct { #endif } __kernel_fsid_t; -#endif /* __ARCH_H8300_POSIX_TYPES_H */ +#endif /* _BITS_KERNEL_TYPES_H */ diff --git a/libc/sysdeps/linux/h8300/bits/mman.h b/libc/sysdeps/linux/h8300/bits/mman.h index 4bf232029..34f14ee5b 100644 --- a/libc/sysdeps/linux/h8300/bits/mman.h +++ b/libc/sysdeps/linux/h8300/bits/mman.h @@ -1,5 +1,5 @@ -/* Definitions for BSD-style memory management. - Copyright (C) 1994-1998,2000,01 Free Software Foundation, Inc. +/* Definitions for POSIX memory map interface. Linux/m68k version. + Copyright (C) 1997 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 @@ -17,23 +17,23 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -/* These are the bits used by 4.4 BSD and its derivatives. On systems - (such as GNU) where these facilities are not system services but can be - emulated in the C library, these are the definitions we emulate. */ - #ifndef _SYS_MMAN_H # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." #endif +/* The following definitions basically come from the kernel headers. + But the kernel header is not namespace clean. */ + + /* Protections are chosen from these bits, OR'd together. The implementation does not necessarily support PROT_EXEC or PROT_WRITE without PROT_READ. The only guarantees are that no writing will be allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ -#define PROT_NONE 0x00 /* No access. */ -#define PROT_READ 0x01 /* Pages can be read. */ -#define PROT_WRITE 0x02 /* Pages can be written. */ -#define PROT_EXEC 0x04 /* Pages can be executed. */ +#define PROT_READ 0x1 /* Page can be read. */ +#define PROT_WRITE 0x2 /* Page can be written. */ +#define PROT_EXEC 0x4 /* Page can be executed. */ +#define PROT_NONE 0x0 /* Page can not be accessed. */ /* Sharing types (must choose one and only one of these). */ #define MAP_SHARED 0x01 /* Share changes. */ diff --git a/libc/sysdeps/linux/h8300/bits/resource.h b/libc/sysdeps/linux/h8300/bits/resource.h deleted file mode 100644 index 50c659389..000000000 --- a/libc/sysdeps/linux/h8300/bits/resource.h +++ /dev/null @@ -1,204 +0,0 @@ -/* Bit values & structures for resource limits. Linux version. - Copyright (C) 1994, 1996, 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 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 _SYS_RESOURCE_H -# error "Never use <bits/resource.h> directly; include <sys/resource.h> instead." -#endif - -#include <bits/types.h> - -/* Transmute defines to enumerations. The macro re-definitions are - necessary because some programs want to test for operating system - features with #ifdef RUSAGE_SELF. In ISO C the reflexive - definition is a no-op. */ - -/* Kinds of resource limit. */ -enum __rlimit_resource -{ - /* Per-process CPU limit, in seconds. */ - RLIMIT_CPU = 0, -#define RLIMIT_CPU RLIMIT_CPU - - /* Largest file that can be created, in bytes. */ - RLIMIT_FSIZE = 1, -#define RLIMIT_FSIZE RLIMIT_FSIZE - - /* Maximum size of data segment, in bytes. */ - RLIMIT_DATA = 2, -#define RLIMIT_DATA RLIMIT_DATA - - /* Maximum size of stack segment, in bytes. */ - RLIMIT_STACK = 3, -#define RLIMIT_STACK RLIMIT_STACK - - /* Largest core file that can be created, in bytes. */ - RLIMIT_CORE = 4, -#define RLIMIT_CORE RLIMIT_CORE - - /* Largest resident set size, in bytes. - This affects swapping; processes that are exceeding their - resident set size will be more likely to have physical memory - taken from them. */ - RLIMIT_RSS = 5, -#define RLIMIT_RSS RLIMIT_RSS - - /* Number of open files. */ - RLIMIT_NOFILE = 7, - RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */ -#define RLIMIT_NOFILE RLIMIT_NOFILE -#define RLIMIT_OFILE RLIMIT_OFILE - - /* Address space limit (?) */ - RLIMIT_AS = 9, -#define RLIMIT_AS RLIMIT_AS - - /* Number of processes. */ - RLIMIT_NPROC = 6, -#define RLIMIT_NPROC RLIMIT_NPROC - - /* Locked-in-memory address space. */ - RLIMIT_MEMLOCK = 8, -#define RLIMIT_MEMLOCK RLIMIT_MEMLOCK - - RLIM_NLIMITS = 10 -#define RLIMIT_NLIMITS RLIMIT_NLIMITS -#define RLIM_NLIMITS RLIM_NLIMITS -}; - -/* Value to indicate that there is no limit. */ -#ifndef __USE_FILE_OFFSET64 -# define RLIM_INFINITY ((long int)(~0UL >> 1)) -#else -# define RLIM_INFINITY 0x7fffffffffffffffLL -#endif - -#ifdef __USE_LARGEFILE64 -# define RLIM64_INFINITY 0x7fffffffffffffffLL -#endif - -/* We can represent all limits. */ -#define RLIM_SAVED_MAX RLIM_INFINITY -#define RLIM_SAVED_CUR RLIM_INFINITY - - -/* Type for resource quantity measurement. */ -#ifndef __USE_FILE_OFFSET64 -typedef __rlim_t rlim_t; -#else -typedef __rlim64_t rlim_t; -#endif -#ifdef __USE_LARGEFILE64 -typedef __rlim64_t rlim64_t; -#endif - -struct rlimit - { - /* The current (soft) limit. */ - rlim_t rlim_cur; - /* The hard limit. */ - rlim_t rlim_max; - }; - -#ifdef __USE_LARGEFILE64 -struct rlimit64 - { - /* The current (soft) limit. */ - rlim64_t rlim_cur; - /* The hard limit. */ - rlim64_t rlim_max; - }; -#endif - -/* Whose usage statistics do you want? */ -enum __rusage_who -{ - /* The calling process. */ - RUSAGE_SELF = 0, -#define RUSAGE_SELF RUSAGE_SELF - - /* All of its terminated child processes. */ - RUSAGE_CHILDREN = -1, -#define RUSAGE_CHILDREN RUSAGE_CHILDREN - - /* Both. */ - RUSAGE_BOTH = -2 -#define RUSAGE_BOTH RUSAGE_BOTH -}; - -#define __need_timeval -#include <bits/time.h> /* For `struct timeval'. */ - -/* Structure which says how much of each resource has been used. */ -struct rusage - { - /* Total amount of user time used. */ - struct timeval ru_utime; - /* Total amount of system time used. */ - struct timeval ru_stime; - /* Maximum resident set size (in kilobytes). */ - long int ru_maxrss; - /* Amount of sharing of text segment memory - with other processes (kilobyte-seconds). */ - long int ru_ixrss; - /* Amount of data segment memory used (kilobyte-seconds). */ - long int ru_idrss; - /* Amount of stack memory used (kilobyte-seconds). */ - long int ru_isrss; - /* Number of soft page faults (i.e. those serviced by reclaiming - a page from the list of pages awaiting reallocation. */ - long int ru_minflt; - /* Number of hard page faults (i.e. those that required I/O). */ - long int ru_majflt; - /* Number of times a process was swapped out of physical memory. */ - long int ru_nswap; - /* Number of input operations via the file system. Note: This - and `ru_oublock' do not include operations with the cache. */ - long int ru_inblock; - /* Number of output operations via the file system. */ - long int ru_oublock; - /* Number of IPC messages sent. */ - long int ru_msgsnd; - /* Number of IPC messages received. */ - long int ru_msgrcv; - /* Number of signals delivered. */ - long int ru_nsignals; - /* Number of voluntary context switches, i.e. because the process - gave up the process before it had to (usually to wait for some - resource to be available). */ - long int ru_nvcsw; - /* Number of involuntary context switches, i.e. a higher priority process - became runnable or the current process used up its time slice. */ - long int ru_nivcsw; - }; - -/* Priority limits. */ -#define PRIO_MIN -20 /* Minimum priority a process can have. */ -#define PRIO_MAX 20 /* Maximum priority a process can have. */ - -/* The type of the WHICH argument to `getpriority' and `setpriority', - indicating what flavor of entity the WHO argument specifies. */ -enum __priority_which -{ - PRIO_PROCESS = 0, /* WHO is a process ID. */ -#define PRIO_PROCESS PRIO_PROCESS - PRIO_PGRP = 1, /* WHO is a process group ID. */ -#define PRIO_PGRP PRIO_PGRP - PRIO_USER = 2 /* WHO is a user ID. */ -#define PRIO_USER PRIO_USER -}; diff --git a/libc/sysdeps/linux/h8300/bits/setjmp.h b/libc/sysdeps/linux/h8300/bits/setjmp.h index 78f9c83fb..024861440 100644 --- a/libc/sysdeps/linux/h8300/bits/setjmp.h +++ b/libc/sysdeps/linux/h8300/bits/setjmp.h @@ -1,43 +1,27 @@ -/* Copyright (C) 1997, 1998 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. */ - -/* Define the machine-dependent type `jmp_buf'. H8/300H version. */ +/* Copyright (C) 2004, Yoshinori Sato <ysato@users.sourceforge.jp> */ +/* Define the machine-dependent type `jmp_buf'. H8/300 version. */ #ifndef _SETJMP_H # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif -#include <signal.h> +#ifndef _ASM typedef struct { - /* er1-er5 */ - long int __regs[5]; - - /* er6 */ - int *__fp; - /* sp */ - int *__sp; - /* pc */ - void *__pc; + unsigned long __regs[4]; /* save er4 - er7(sp) */ + unsigned long __pc; /* the return address */ } __jmp_buf[1]; +#endif /* _ASM */ + +#define JB_REGS 0 +#define JB_PC 16 +#define JB_SIZE 20 + + /* Test if longjmp to JMPBUF would unwind the frame containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)->__sp) + ((void *) (address) < (void *) (jmpbuf)->__regs[3]) diff --git a/libc/sysdeps/linux/h8300/bits/sigcontextinfo.h b/libc/sysdeps/linux/h8300/bits/sigcontextinfo.h new file mode 100644 index 000000000..b7e08cfc9 --- /dev/null +++ b/libc/sysdeps/linux/h8300/bits/sigcontextinfo.h @@ -0,0 +1,26 @@ +/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998. + + 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. */ + +#define SIGCONTEXT int _code, struct sigcontext * +#define SIGCONTEXT_EXTRA_ARGS _code, +#define GET_PC(ctx) ((void *) (ctx)->sc_pc) +#define GET_FRAME(ctx) ((void *) __builtin_frame_address (1)) +#define GET_STACK(ctx) ((void *) (ctx)->sc_usp) +#define CALL_SIGHANDLER(handler, signo, ctx) \ + (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx)) diff --git a/libc/sysdeps/linux/h8300/bits/stackinfo.h b/libc/sysdeps/linux/h8300/bits/stackinfo.h new file mode 100644 index 000000000..89a77d932 --- /dev/null +++ b/libc/sysdeps/linux/h8300/bits/stackinfo.h @@ -0,0 +1,28 @@ +/* Copyright (C) 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. */ + +/* This file contains a bit of information about the stack allocation + of the processor. */ + +#ifndef _STACKINFO_H +#define _STACKINFO_H 1 + +/* On h8300 the stack grows down. */ +#define _STACK_GROWS_DOWN 1 + +#endif /* stackinfo.h */ diff --git a/libc/sysdeps/linux/h8300/bits/syscalls.h b/libc/sysdeps/linux/h8300/bits/syscalls.h index 62541b873..b734a6251 100644 --- a/libc/sysdeps/linux/h8300/bits/syscalls.h +++ b/libc/sysdeps/linux/h8300/bits/syscalls.h @@ -1,19 +1,157 @@ -#ifndef _BITS_SYSCALLS_H -#define _BITS_SYSCALLS_H +/* Unlike the asm/unistd.h kernel header file (which this is partly based on), + * this file must be able to cope with PIC and non-PIC code. For some arches + * there is no difference. For x86 (which has far too few registers) there is + * a difference. Regardless, including asm/unistd.h is hereby officially + * forbidden. Don't do it. It is bad for you. + */ #ifndef _SYSCALL_H # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." #endif -#include <features.h> - -/* Do something very evil for now. Until we create our own syscall - * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */ -#include <asm/unistd.h> - /* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel * header files. It also defines the traditional `SYS_<name>' macros for older * programs. */ #include <bits/sysnum.h> -#endif /* _BITS_SYSCALLS_H */ + +#define __syscall_return(type, res) \ +do { \ + if ((unsigned long)(res) >= (unsigned long)(-125)) { \ + /* avoid using res which is declared to be in register d0; \ + errno might expand to a function call and clobber it. */ \ + int __err = -(res); \ + errno = __err; \ + res = -1; \ + } \ + return (type) (res); \ +} while (0) + +#define _syscall0(type, name) \ +type name(void) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ("mov.l %1,er0\n\t" \ + "trapa #0\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name) \ + : "cc"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} + +#define _syscall1(type, name, atype, a) \ +type name(atype a) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ("mov.l %2, er1\n\t" \ + "mov.l %1, er0\n\t" \ + "trapa #0\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name), \ + "g" ((long)a) \ + : "cc", "er1"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} + +#define _syscall2(type, name, atype, a, btype, b) \ +type name(atype a, btype b) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ("mov.l %3, er2\n\t" \ + "mov.l %2, er1\n\t" \ + "mov.l %1, er0\n\t" \ + "trapa #0\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name), \ + "g" ((long)a), \ + "g" ((long)b) \ + : "cc", "er1", "er2"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} + +#define _syscall3(type, name, atype, a, btype, b, ctype, c) \ +type name(atype a, btype b, ctype c) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ("mov.l %4, er3\n\t" \ + "mov.l %3, er2\n\t" \ + "mov.l %2, er1\n\t" \ + "mov.l %1, er0\n\t" \ + "trapa #0\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name), \ + "g" ((long)a), \ + "g" ((long)b), \ + "g" ((long)c) \ + : "cc", "er1", "er2", "er3"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} + +#define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \ +type name(atype a, btype b, ctype c, dtype d) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ("mov.l %5, er4\n\t" \ + "mov.l %4, er3\n\t" \ + "mov.l %3, er2\n\t" \ + "mov.l %2, er1\n\t" \ + "mov.l %1, er0\n\t" \ + "trapa #0\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name), \ + "g" ((long)a), \ + "g" ((long)b), \ + "g" ((long)c), \ + "g" ((long)d) \ + : "cc", "er1", "er2", "er3", "er4"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} + +#define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e) \ +type name(atype a, btype b, ctype c, dtype d, etype e) \ +{ \ + register long __res __asm__("er0"); \ + __asm__ __volatile__ ( \ + "mov.l er5,@-sp\n\t" \ + "mov.l %5, er4\n\t" \ + "mov.l %4, er3\n\t" \ + "mov.l %3, er2\n\t" \ + "mov.l %2, er1\n\t" \ + "mov.l %1, er0\n\t" \ + "mov.l %6, er5\n\t" \ + "trapa #0\n\t" \ + "mov.l @sp+,er5\n\t" \ + : "=r" (__res) \ + : "ir" (__NR_##name), \ + "g" ((long)a), \ + "g" ((long)b), \ + "g" ((long)c), \ + "g" ((long)d), \ + "m" ((long)e) \ + : "cc", "er1", "er2", "er3", "er4"); \ + if ((unsigned long)(__res) >= (unsigned long)(-125)) { \ + errno = -__res; \ + __res = -1; \ + } \ + return (type)__res; \ +} diff --git a/libc/sysdeps/linux/h8300/bits/wordsize.h b/libc/sysdeps/linux/h8300/bits/wordsize.h index ba643b60a..b47eee944 100644 --- a/libc/sysdeps/linux/h8300/bits/wordsize.h +++ b/libc/sysdeps/linux/h8300/bits/wordsize.h @@ -1,19 +1 @@ -/* Copyright (C) 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. */ - -#define __WORDSIZE 32 +#define __WORDSIZE 32 |