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リビジョン6bf05be30c6d695347ab02b18d20527bbdb3a1c5 (tree)
日時2022-11-30 13:00:26
作者Yoshinori Sato <ysato@user...>
コミッターYoshinori Sato

ログメッセージ

RX support

変更サマリ

差分

--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -40,6 +40,7 @@ choice
4040 default TARGET_powerpc if DESIRED_TARGET_ARCH = "powerpc"
4141 default TARGET_riscv64 if DESIRED_TARGET_ARCH = "riscv64"
4242 default TARGET_riscv32 if DESIRED_TARGET_ARCH = "riscv32"
43+ default TARGET_rx if DESIRED_TARGET_ARCH = "rx"
4344 default TARGET_sh if DESIRED_TARGET_ARCH = "sh"
4445 default TARGET_sparc if DESIRED_TARGET_ARCH = "sparc"
4546 default TARGET_sparc64 if DESIRED_TARGET_ARCH = "sparc64"
@@ -129,6 +130,9 @@ config TARGET_riscv64
129130 config TARGET_riscv32
130131 bool "riscv32"
131132
133+config TARGET_rx
134+ bool "RX"
135+
132136 config TARGET_sh
133137 bool "superh"
134138
@@ -268,6 +272,10 @@ if TARGET_riscv32
268272 source "extra/Configs/Config.riscv32"
269273 endif
270274
275+if TARGET_rx
276+source "extra/Configs/Config.rx"
277+endif
278+
271279 if TARGET_sh
272280 source "extra/Configs/Config.sh"
273281 endif
--- /dev/null
+++ b/extra/Configs/Config.rx
@@ -0,0 +1,15 @@
1+#
2+# For a description of the syntax of this configuration file,
3+# see extra/config/Kconfig-language.txt
4+#
5+
6+config TARGET_ARCH
7+ string
8+ default "rx"
9+
10+config FORCE_OPTIONS_FOR_ARCH
11+ bool
12+ default y
13+ select ARCH_LITTLE_ENDIAN
14+ select ARCH_HAS_NO_MMU
15+ select HAVE_NO_PIC
--- /dev/null
+++ b/libc/sysdeps/linux/rx/Makefile
@@ -0,0 +1,13 @@
1+# Makefile for uClibc
2+#
3+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
4+#
5+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
6+#
7+
8+top_srcdir=../../../../
9+top_builddir=../../../../
10+all: objs
11+include $(top_builddir)Rules.mak
12+include Makefile.arch
13+include $(top_srcdir)Makerules
--- /dev/null
+++ b/libc/sysdeps/linux/rx/Makefile.arch
@@ -0,0 +1,10 @@
1+# Makefile for uClibc
2+#
3+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
4+#
5+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
6+#
7+
8+CSRC := __syscall_error.c
9+
10+SSRC := __longjmp.S _setjmp.S clone.S crt1.S setjmp.S vfork.S
--- /dev/null
+++ b/libc/sysdeps/linux/rx/__longjmp.S
@@ -0,0 +1,30 @@
1+#define _ASM
2+#define _SETJMP_H
3+#include <features.h>
4+#include <bits/setjmp.h>
5+
6+.globl _longjmp
7+.type _longjmp,@function
8+
9+ .text
10+ .align 4
11+_longjmp:
12+ tst r2,r2
13+ scz.l r2
14+ mov.l [r1+],r6
15+ mov.l [r1+],r7
16+ mov.l [r1+],r8
17+ mov.l [r1+],r9
18+ mov.l [r1+],r10
19+ mov.l [r1+],r11
20+ mov.l [r1+],r12
21+ mov.l [r1+],r13
22+ mov.l [r1+],r14
23+ mov.l [r1+],r15
24+ mov.l 4[r1],r3
25+ mov.l r2,r1
26+ add [r1],r0
27+ jmp r3
28+
29+libc_hidden_def(_longjmp)
30+ .end
--- /dev/null
+++ b/libc/sysdeps/linux/rx/__syscall_error.c
@@ -0,0 +1,18 @@
1+/* Wrapper for setting errno.
2+ *
3+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
4+ *
5+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
6+ */
7+
8+#include <features.h>
9+#include <errno.h>
10+
11+/* This routine is jumped to by all the syscall handlers, to stash
12+ * an error number into errno. */
13+int __syscall_error(int err_no) attribute_hidden;
14+int __syscall_error(int err_no)
15+{
16+ __set_errno(-err_no);
17+ return -1;
18+}
--- /dev/null
+++ b/libc/sysdeps/linux/rx/_setjmp.S
@@ -0,0 +1,26 @@
1+#define _ASM
2+#define _SETJMP_H
3+#include <bits/setjmp.h>
4+
5+.globl _setjmp
6+.type _setjmp,@function
7+
8+ .text
9+ .align 4
10+_setjmp:
11+ mov.l r6,[r1+]
12+ mov.l r7,[r1+]
13+ mov.l r8,[r1+]
14+ mov.l r9,[r1+]
15+ mov.l r10,[r1+]
16+ mov.l r11,[r1+]
17+ mov.l r12,[r1+]
18+ mov.l r13,[r1+]
19+ mov.l r14,[r1+]
20+ mov.l r15,[r1+]
21+ mov.l r0,[r1+]
22+ mov.l [r0],[r1]
23+ mov.l #0,4[r1] /* signal mask not saved */
24+ rts
25+
26+ .end
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/byteswap.h
@@ -0,0 +1,40 @@
1+/* Macros to swap the order of bytes in integer values. m68k version.
2+ Copyright (C) 1997, 2002 Free Software Foundation, Inc.
3+ This file is part of the GNU C Library.
4+
5+ The GNU C Library is free software; you can redistribute it and/or
6+ modify it under the terms of the GNU Lesser General Public
7+ License as published by the Free Software Foundation; either
8+ version 2.1 of the License, or (at your option) any later version.
9+
10+ The GNU C Library is distributed in the hope that it will be useful,
11+ but WITHOUT ANY WARRANTY; without even the implied warranty of
12+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13+ Lesser General Public License for more details.
14+
15+ You should have received a copy of the GNU Lesser General Public
16+ License along with the GNU C Library; if not, write to the Free
17+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18+ 02111-1307 USA. */
19+
20+#ifndef _ASM_BITS_BYTESWAP_H
21+#define _ASM_BITS_BYTESWAP_H 1
22+
23+# define __bswap_non_constant_32(x) \
24+ __extension__ \
25+ ({ unsigned int __bswap_32_v; \
26+ __asm__ __volatile__ ("revl %1,%0" \
27+ : "=r" (__bswap_32_v) \
28+ : "r" ((unsigned int) (x))); \
29+ __bswap_32_v; })
30+
31+# define __bswap_non_constant_16(x) \
32+ __extension__ \
33+ ({ unsigned short __bswap_16_v; \
34+ __asm__ __volatile__ ("revw %1,%0" \
35+ : "=r" (__bswap_16_v) \
36+ : "r" ((unsigned short) (x))); \
37+ __bswap_16_v; })
38+#endif
39+
40+#include <bits/byteswap-common.h>
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/endian.h
@@ -0,0 +1,7 @@
1+/* m68k is big-endian. */
2+
3+#ifndef _ENDIAN_H
4+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
5+#endif
6+
7+#define __BYTE_ORDER __LITTLE_ENDIAN
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/fcntl.h
@@ -0,0 +1,238 @@
1+/* O_*, F_*, FD_* bit values for Linux.
2+ Copyright (C) 2000, 2004 Free Software Foundation, Inc.
3+ This file is part of the GNU C Library.
4+
5+ The GNU C Library is free software; you can redistribute it and/or
6+ modify it under the terms of the GNU Lesser General Public
7+ License as published by the Free Software Foundation; either
8+ version 2.1 of the License, or (at your option) any later version.
9+
10+ The GNU C Library is distributed in the hope that it will be useful,
11+ but WITHOUT ANY WARRANTY; without even the implied warranty of
12+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13+ Lesser General Public License for more details.
14+
15+ You should have received a copy of the GNU Lesser General Public
16+ License along with the GNU C Library; if not, write to the Free
17+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18+ 02111-1307 USA. */
19+
20+#ifndef _FCNTL_H
21+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
22+#endif
23+
24+
25+#include <sys/types.h>
26+#ifdef __USE_GNU
27+# include <bits/uio.h>
28+#endif
29+
30+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
31+ located on an ext2 file system */
32+#define O_ACCMODE 0003
33+#define O_RDONLY 00
34+#define O_WRONLY 01
35+#define O_RDWR 02
36+#define O_CREAT 0100 /* not fcntl */
37+#define O_EXCL 0200 /* not fcntl */
38+#define O_NOCTTY 0400 /* not fcntl */
39+#define O_TRUNC 01000 /* not fcntl */
40+#define O_APPEND 02000
41+#define O_NONBLOCK 04000
42+#define O_NDELAY O_NONBLOCK
43+#define O_SYNC 010000
44+#define O_FSYNC O_SYNC
45+#define O_ASYNC 020000
46+
47+#ifdef __USE_GNU
48+# define O_DIRECTORY 040000 /* Must be a directory. */
49+# define O_NOFOLLOW 0100000 /* Do not follow links. */
50+# define O_DIRECT 0200000 /* Direct disk access. */
51+# define O_NOATIME 01000000 /* Do not set atime. */
52+# define O_CLOEXEC 02000000 /* set close_on_exec */
53+#endif
54+
55+/* For now Linux has synchronisity options for data and read operations.
56+ We define the symbols here but let them do the same as O_SYNC since
57+ this is a superset. */
58+#if defined __USE_POSIX199309 || defined __USE_UNIX98
59+# define O_DSYNC O_SYNC /* Synchronize data. */
60+# define O_RSYNC O_SYNC /* Synchronize read operations. */
61+#endif
62+
63+#ifdef __USE_LARGEFILE64
64+# define O_LARGEFILE 0400000
65+#endif
66+
67+/* Values for the second argument to `fcntl'. */
68+#define F_DUPFD 0 /* Duplicate file descriptor. */
69+#define F_GETFD 1 /* Get file descriptor flags. */
70+#define F_SETFD 2 /* Set file descriptor flags. */
71+#define F_GETFL 3 /* Get file status flags. */
72+#define F_SETFL 4 /* Set file status flags. */
73+#ifndef __USE_FILE_OFFSET64
74+# define F_GETLK 5 /* Get record locking info. */
75+# define F_SETLK 6 /* Set record locking info (non-blocking). */
76+# define F_SETLKW 7 /* Set record locking info (blocking). */
77+#else
78+# define F_GETLK F_GETLK64 /* Get record locking info. */
79+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
80+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
81+#endif
82+#define F_GETLK64 12 /* Get record locking info. */
83+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
84+#define F_SETLKW64 14 /* Set record locking info (blocking). */
85+
86+#if defined __USE_BSD || defined __USE_UNIX98
87+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
88+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
89+#endif
90+
91+#ifdef __USE_GNU
92+# define F_SETSIG 10 /* Set number of signal to be sent. */
93+# define F_GETSIG 11 /* Get number of signal to be sent. */
94+#endif
95+
96+#ifdef __USE_GNU
97+# define F_SETLEASE 1024 /* Set a lease. */
98+# define F_GETLEASE 1025 /* Enquire what lease is active. */
99+# define F_NOTIFY 1026 /* Request notfications on a directory. */
100+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
101+ close-on-exit set on new fd. */
102+#endif
103+
104+/* For F_[GET|SET]FL. */
105+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
106+
107+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
108+#define F_RDLCK 0 /* Read lock. */
109+#define F_WRLCK 1 /* Write lock. */
110+#define F_UNLCK 2 /* Remove lock. */
111+
112+/* For old implementation of bsd flock(). */
113+#define F_EXLCK 4 /* or 3 */
114+#define F_SHLCK 8 /* or 4 */
115+
116+#ifdef __USE_BSD
117+/* Operations for bsd flock(), also used by the kernel implementation. */
118+# define LOCK_SH 1 /* shared lock */
119+# define LOCK_EX 2 /* exclusive lock */
120+# define LOCK_NB 4 /* or'd with one of the above to prevent
121+ blocking */
122+# define LOCK_UN 8 /* remove lock */
123+#endif
124+
125+#ifdef __USE_GNU
126+# define LOCK_MAND 32 /* This is a mandatory flock: */
127+# define LOCK_READ 64 /* ... which allows concurrent read operations. */
128+# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
129+# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
130+#endif
131+
132+#ifdef __USE_GNU
133+/* Types of directory notifications that may be requested with F_NOTIFY. */
134+# define DN_ACCESS 0x00000001 /* File accessed. */
135+# define DN_MODIFY 0x00000002 /* File modified. */
136+# define DN_CREATE 0x00000004 /* File created. */
137+# define DN_DELETE 0x00000008 /* File removed. */
138+# define DN_RENAME 0x00000010 /* File renamed. */
139+# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
140+# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
141+#endif
142+
143+struct flock
144+ {
145+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
146+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
147+#ifndef __USE_FILE_OFFSET64
148+ __off_t l_start; /* Offset where the lock begins. */
149+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
150+#else
151+ __off64_t l_start; /* Offset where the lock begins. */
152+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
153+#endif
154+ __pid_t l_pid; /* Process holding the lock. */
155+ };
156+
157+#ifdef __USE_LARGEFILE64
158+struct flock64
159+ {
160+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
161+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
162+ __off64_t l_start; /* Offset where the lock begins. */
163+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
164+ __pid_t l_pid; /* Process holding the lock. */
165+ };
166+#endif
167+
168+/* Define some more compatibility macros to be backward compatible with
169+ BSD systems which did not managed to hide these kernel macros. */
170+#ifdef __USE_BSD
171+# define FAPPEND O_APPEND
172+# define FFSYNC O_FSYNC
173+# define FASYNC O_ASYNC
174+# define FNONBLOCK O_NONBLOCK
175+# define FNDELAY O_NDELAY
176+#endif /* Use BSD. */
177+
178+/* Advise to `posix_fadvise'. */
179+#ifdef __USE_XOPEN2K
180+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
181+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
182+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
183+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
184+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
185+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
186+#endif
187+
188+
189+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
190+/* Flags for SYNC_FILE_RANGE. */
191+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
192+ in the range before performing the
193+ write. */
194+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
195+ dirty pages in the range which are
196+ not presently under writeback. */
197+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
198+ the range after performing the
199+ write. */
200+
201+/* Flags for SPLICE and VMSPLICE. */
202+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
203+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
204+ (but we may still block on the fd
205+ we splice from/to). */
206+# define SPLICE_F_MORE 4 /* Expect more data. */
207+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
208+#endif
209+
210+__BEGIN_DECLS
211+
212+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
213+
214+/* Provide kernel hint to read ahead. */
215+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
216+ __THROW;
217+
218+
219+/* Selective file content synch'ing. */
220+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
221+ unsigned int __flags);
222+
223+/* Splice address range into a pipe. */
224+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
225+ size_t __count, unsigned int __flags);
226+
227+/* Splice two files together. */
228+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
229+ __off64_t *__offout, size_t __len,
230+ unsigned int __flags);
231+
232+/* In-kernel implementation of tee for pipe buffers. */
233+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
234+ unsigned int __flags);
235+
236+#endif
237+__END_DECLS
238+
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/fenv.h
@@ -0,0 +1,79 @@
1+/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+#ifndef _FENV_H
20+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
21+#endif
22+
23+
24+/* Define bits representing the exception. We use the bit positions of
25+ the appropriate bits in the FPSR Accrued Exception Byte. */
26+enum
27+ {
28+ FE_INEXACT = 1 << 3,
29+#define FE_INEXACT FE_INEXACT
30+ FE_DIVBYZERO = 1 << 4,
31+#define FE_DIVBYZERO FE_DIVBYZERO
32+ FE_UNDERFLOW = 1 << 5,
33+#define FE_UNDERFLOW FE_UNDERFLOW
34+ FE_OVERFLOW = 1 << 6,
35+#define FE_OVERFLOW FE_OVERFLOW
36+ FE_INVALID = 1 << 7
37+#define FE_INVALID FE_INVALID
38+ };
39+
40+#define FE_ALL_EXCEPT \
41+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
42+
43+/* The m68k FPU supports all of the four defined rounding modes. We use
44+ the bit positions in the FPCR Mode Control Byte as the values for the
45+ appropriate macros. */
46+enum
47+ {
48+ FE_TONEAREST = 0,
49+#define FE_TONEAREST FE_TONEAREST
50+ FE_TOWARDZERO = 1 << 4,
51+#define FE_TOWARDZERO FE_TOWARDZERO
52+ FE_DOWNWARD = 2 << 4,
53+#define FE_DOWNWARD FE_DOWNWARD
54+ FE_UPWARD = 3 << 4
55+#define FE_UPWARD FE_UPWARD
56+ };
57+
58+
59+/* Type representing exception flags. */
60+typedef unsigned int fexcept_t;
61+
62+
63+/* Type representing floating-point environment. This structure
64+ corresponds to the layout of the block written by `fmovem'. */
65+typedef struct
66+ {
67+ unsigned int __control_register;
68+ unsigned int __status_register;
69+ unsigned int __instruction_address;
70+ }
71+fenv_t;
72+
73+/* If the default argument is used we use this value. */
74+#define FE_DFL_ENV ((__const fenv_t *) -1)
75+
76+#ifdef __USE_GNU
77+/* Floating-point environment where none of the exceptions are masked. */
78+# define FE_NOMASK_ENV ((__const fenv_t *) -2)
79+#endif
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/kernel_stat.h
@@ -0,0 +1,56 @@
1+#ifndef _BITS_STAT_STRUCT_H
2+#define _BITS_STAT_STRUCT_H
3+
4+#ifndef _LIBC
5+#error bits/kernel_stat.h is for internal uClibc use only!
6+#endif
7+
8+/* This file provides whatever this particular arch's kernel thinks
9+ * struct kernel_stat should look like... It turns out each arch has a
10+ * different opinion on the subject... */
11+
12+struct kernel_stat {
13+ unsigned short st_dev;
14+ unsigned short __pad1;
15+ unsigned long st_ino;
16+ unsigned short st_mode;
17+ unsigned short st_nlink;
18+ unsigned short st_uid;
19+ unsigned short st_gid;
20+ unsigned short st_rdev;
21+ unsigned short __pad2;
22+ unsigned long st_size;
23+ unsigned long st_blksize;
24+ unsigned long st_blocks;
25+ struct timespec st_atim;
26+ struct timespec st_mtim;
27+ struct timespec st_ctim;
28+ unsigned long __unused4;
29+ unsigned long __unused5;
30+};
31+
32+struct kernel_stat64 {
33+ unsigned char __pad0[6];
34+ unsigned short st_dev;
35+ unsigned char __pad1[2];
36+#define _HAVE_STAT64___ST_INO
37+ unsigned long __st_ino;
38+ unsigned int st_mode;
39+ unsigned int st_nlink;
40+ unsigned long st_uid;
41+ unsigned long st_gid;
42+ unsigned char __pad2[6];
43+ unsigned short st_rdev;
44+ unsigned char __pad3[2];
45+ long long st_size;
46+ unsigned long st_blksize;
47+ unsigned long __pad4; /* future possible st_blocks high bits */
48+ unsigned long st_blocks; /* Number 512-byte blocks allocated. */
49+ struct timespec st_atim;
50+ struct timespec st_mtim;
51+ struct timespec st_ctim;
52+ unsigned long long st_ino;
53+};
54+
55+#endif /* _BITS_STAT_STRUCT_H */
56+
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/kernel_types.h
@@ -0,0 +1 @@
1+#include <asm-generic/posix_types.h>
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/poll.h
@@ -0,0 +1,43 @@
1+/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+#ifndef _SYS_POLL_H
20+# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
21+#endif
22+
23+/* Event types that can be polled for. These bits may be set in `events'
24+ to indicate the interesting event types; they will appear in `revents'
25+ to indicate the status of the file descriptor. */
26+#define POLLIN 0x001 /* There is data to read. */
27+#define POLLPRI 0x002 /* There is urgent data to read. */
28+#define POLLOUT 0x004 /* Writing now will not block. */
29+
30+#ifdef __USE_XOPEN
31+/* These values are defined in XPG4.2. */
32+# define POLLRDNORM 0x040 /* Normal data may be read. */
33+# define POLLRDBAND 0x080 /* Priority data may be read. */
34+# define POLLWRNORM POLLOUT /* Writing now will not block. */
35+# define POLLWRBAND 0x100 /* Priority data may be written. */
36+#endif
37+
38+/* Event types always implicitly polled for. These bits need not be set in
39+ `events', but they will appear in `revents' to indicate the status of
40+ the file descriptor. */
41+#define POLLERR 0x008 /* Error condition. */
42+#define POLLHUP 0x010 /* Hung up. */
43+#define POLLNVAL 0x020 /* Invalid polling request. */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/setjmp.h
@@ -0,0 +1,41 @@
1+/* Copyright (C) 1997,1998,2005,2006 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+/* Define the machine-dependent type `jmp_buf'. m68k version. */
20+#ifndef _BITS_SETJMP_H
21+#define _BITS_SETJMP_H 1
22+
23+#if !defined _SETJMP_H && !defined _PTHREAD_H
24+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
25+#endif
26+
27+#ifndef _ASM
28+
29+typedef struct
30+ {
31+ unsigned long r[10]; /* r6 - r15 */
32+ unsigned long pc;
33+ unsigned long sp;
34+ } __jmp_buf[1];
35+
36+#endif
37+
38+#define _JMPBUF_UNWINDS(jmpbuf, address) \
39+ ((void *) (address) < (void *) (jmpbuf)->r[6])
40+
41+#endif /* bits/setjmp.h */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/sigcontextinfo.h
@@ -0,0 +1,26 @@
1+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998.
4+
5+ The GNU C Library is free software; you can redistribute it and/or
6+ modify it under the terms of the GNU Lesser General Public
7+ License as published by the Free Software Foundation; either
8+ version 2.1 of the License, or (at your option) any later version.
9+
10+ The GNU C Library is distributed in the hope that it will be useful,
11+ but WITHOUT ANY WARRANTY; without even the implied warranty of
12+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13+ Lesser General Public License for more details.
14+
15+ You should have received a copy of the GNU Lesser General Public
16+ License along with the GNU C Library; if not, write to the Free
17+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18+ 02111-1307 USA. */
19+
20+#define SIGCONTEXT int _code, struct sigcontext *
21+#define SIGCONTEXT_EXTRA_ARGS _code,
22+#define GET_PC(ctx) ((void *) (ctx)->sc_pc)
23+#define GET_FRAME(ctx) ((void *) __builtin_frame_address (1))
24+#define GET_STACK(ctx) ((void *) (ctx)->sc_usp)
25+#define CALL_SIGHANDLER(handler, signo, ctx) \
26+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/stackinfo.h
@@ -0,0 +1,27 @@
1+/* Copyright (C) 1999 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+/* This file contains a bit of information about the stack allocation
20+ of the processor. */
21+
22+#ifndef _STACKINFO_H
23+#define _STACKINFO_H 1
24+
25+#define _STACK_GROWS_DOWN 1
26+
27+#endif /* stackinfo.h */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/syscalls.h
@@ -0,0 +1,92 @@
1+#ifndef _BITS_SYSCALLS_H
2+#define _BITS_SYSCALLS_H
3+#ifndef _SYSCALL_H
4+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
5+#endif
6+
7+#undef __NR_iopl
8+#undef __NR_vm86
9+
10+#ifndef __ASSEMBLER__
11+
12+#define ASM_ARGS_0
13+#define ARGS_0(name, dummy) \
14+ register unsigned long r1 __asm__("r1"); \
15+ register unsigned long r15 __asm__("r15") = name
16+
17+#define ASM_ARGS_1 , "0"(r1)
18+#define ARGS_1(name, a1) \
19+ unsigned long __arg1 = (unsigned long)a1; \
20+ register unsigned long r1 __asm__("r1") = __arg1; \
21+ register unsigned long r15 __asm__("r15") = name
22+
23+#define ASM_ARGS_2 , "0"(r1), "r"(r2)
24+#define ARGS_2(name, a1, a2) \
25+ unsigned long __arg1 = (unsigned long)a1; \
26+ unsigned long __arg2 = (unsigned long)a2; \
27+ register unsigned long r1 __asm__("r1") = __arg1; \
28+ register unsigned long r2 __asm__("r2") = __arg2; \
29+ register unsigned long r15 __asm__("r15") = name
30+
31+#define ASM_ARGS_3 , "0"(r1), "r"(r2), "r"(r3)
32+#define ARGS_3(name, a1, a2, a3) \
33+ unsigned long __arg1 = (unsigned long)a1; \
34+ unsigned long __arg2 = (unsigned long)a2; \
35+ unsigned long __arg3 = (unsigned long)a3; \
36+ register unsigned long r1 __asm__("r1") = __arg1; \
37+ register unsigned long r2 __asm__("r2") = __arg2; \
38+ register unsigned long r3 __asm__("r3") = __arg3; \
39+ register unsigned long r15 __asm__("r15") = name
40+
41+#define ASM_ARGS_4 , "0"(r1), "r"(r2), "r"(r3), "r"(r4)
42+#define ARGS_4(name, a1, a2, a3, a4) \
43+ unsigned long __arg1 = (unsigned long)a1; \
44+ unsigned long __arg2 = (unsigned long)a2; \
45+ unsigned long __arg3 = (unsigned long)a3; \
46+ unsigned long __arg4 = (unsigned long)a4; \
47+ register unsigned long r1 __asm__("r1") = __arg1; \
48+ register unsigned long r2 __asm__("r2") = __arg2; \
49+ register unsigned long r3 __asm__("r3") = __arg3; \
50+ register unsigned long r4 __asm__("r4") = __arg4; \
51+ register unsigned long r15 __asm__("r15") = name
52+
53+#define ASM_ARGS_5 , "0"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5)
54+#define ARGS_5(name, a1, a2, a3, a4, a5) \
55+ unsigned long __arg1 = (unsigned long)a1; \
56+ unsigned long __arg2 = (unsigned long)a2; \
57+ unsigned long __arg3 = (unsigned long)a3; \
58+ unsigned long __arg4 = (unsigned long)a4; \
59+ unsigned long __arg5 = (unsigned long)a5; \
60+ register unsigned long r1 __asm__("r1") = __arg1; \
61+ register unsigned long r2 __asm__("r2") = __arg2; \
62+ register unsigned long r3 __asm__("r3") = __arg3; \
63+ register unsigned long r4 __asm__("r4") = __arg4; \
64+ register unsigned long r5 __asm__("r5") = __arg5; \
65+ register unsigned long r15 __asm__("r15") = name
66+
67+#define ASM_ARGS_6 , "0"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5), "r"(r7)
68+#define ARGS_6(name, a1, a2, a3, a4, a5, a6) \
69+ unsigned long __arg1 = (unsigned long)a1; \
70+ unsigned long __arg2 = (unsigned long)a2; \
71+ unsigned long __arg3 = (unsigned long)a3; \
72+ unsigned long __arg4 = (unsigned long)a4; \
73+ unsigned long __arg5 = (unsigned long)a5; \
74+ unsigned long __arg6 = (unsigned long)a6; \
75+ register unsigned long r1 __asm__("r1") = __arg1; \
76+ register unsigned long r2 __asm__("r2") = __arg2; \
77+ register unsigned long r3 __asm__("r3") = __arg3; \
78+ register unsigned long r4 __asm__("r4") = __arg4; \
79+ register unsigned long r5 __asm__("r5") = __arg5; \
80+ register unsigned long r7 __asm__("r7") = __arg6; \
81+ register unsigned long r15 __asm__("r15") = name
82+
83+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
84+ ({ ARGS_##nr (name, args); \
85+ __asm__ __volatile__ ("int #0x08\n\t" \
86+ : "=r"(r1) \
87+ : "r"(r15) ASM_ARGS_##nr \
88+ : "memory"); \
89+ (int)r1; })
90+
91+#endif /* __ASSEMBLER__ */
92+#endif /* _BITS_SYSCALLS_H */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/uClibc_arch_features.h
@@ -0,0 +1,47 @@
1+/*
2+ * Track misc arch-specific features that aren't config options
3+ */
4+
5+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
6+#define _BITS_UCLIBC_ARCH_FEATURES_H
7+
8+/* instruction used when calling abort() to kill yourself */
9+#define __UCLIBC_ABORT_INSTRUCTION__ "wait"
10+
11+/* can your target use syscall6() for mmap ? */
12+#define __UCLIBC_MMAP_HAS_6_ARGS__
13+
14+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
15+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
16+
17+/* does your target have a broken create_module() ? */
18+#undef __UCLIBC_BROKEN_CREATE_MODULE__
19+
20+/* does your target have to worry about older [gs]etrlimit() ? */
21+#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
22+
23+/* does your target have an asm .set ? */
24+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
25+
26+/* define if target doesn't like .global */
27+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
28+
29+/* define if target supports .weak */
30+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
31+
32+/* define if target supports .weakext */
33+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
34+
35+/* needed probably only for ppc64 */
36+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
37+
38+/* define if target supports CFI pseudo ops */
39+#undef __UCLIBC_HAVE_ASM_CFI_DIRECTIVES__
40+
41+/* define if target supports IEEE signed zero floats */
42+#define __UCLIBC_HAVE_SIGNED_ZERO__
43+
44+/* only weird assemblers generally need this */
45+#undef __UCLIBC_ASM_LINE_SEP__
46+
47+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/bits/wordsize.h
@@ -0,0 +1,19 @@
1+/* Copyright (C) 1999 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+#define __WORDSIZE 32
--- /dev/null
+++ b/libc/sysdeps/linux/rx/clone.S
@@ -0,0 +1,49 @@
1+#define _ERRNO_H
2+#include <features.h>
3+#include <bits/errno.h>
4+#include <sys/syscall.h>
5+
6+/* int _clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
7+
8+.type clone,@function
9+.globl clone
10+
11+ .text
12+ .align 4
13+clone:
14+ mov.l r8,[-r0]
15+ mov.l #-EINVAL, r5
16+ tst r1,r1 /* fn NULL check */
17+ beq 2f
18+ tst r2,r2 /* stack NULL check */
19+
20+ mov.l 8[r0],r5
21+ mov.l r5,[-r2] /* save arg to new stack */
22+ mov.l r1,[-r2] /* save fn to new stack */
23+
24+ mov.l r3,r1
25+ mov.l 12[r0],r3 /* parent_tidptr */
26+ mov.l 16[r0],r4 /* child_tidptr */
27+ mov.l #__NR_clone, r8
28+ int #0x08
29+
30+ mov.l r1,r5
31+ tst r1,r1
32+ bn 2f
33+ beq 1f
34+ mov.l [r0+],r8
35+ rts
36+
37+1:
38+ mov.l [r0+],r2
39+ mov.l [r0+],r1
40+ jsr r2
41+ mov.l #_NR_exit,r8
42+ int #0x08
43+
44+2:
45+ mov.l [r0+],r8
46+ mov.l r5,r1
47+ bra __syscall_error
48+
49+ .end
--- /dev/null
+++ b/libc/sysdeps/linux/rx/crt1.S
@@ -0,0 +1,56 @@
1+/* Startup code for RX
2+ Copyright (C) 1999 Free Software Foundation, Inc.
3+ Copyright (C) 2010 Yoshinori Sato
4+
5+ This program is free software; you can redistribute it and/or modify it under
6+ the terms of the GNU Library General Public License as published by the Free
7+ Software Foundation; either version 2 of the License, or (at your option) any
8+ later version.
9+
10+ This program is distributed in the hope that it will be useful, but WITHOUT
11+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12+ FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
13+ details.
14+
15+ You should have received a copy of the GNU Library General Public License
16+ along with this program; if not, write to the Free Software Foundation, Inc.,
17+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18+*/
19+
20+#include <features.h>
21+
22+ .global _start
23+ .global __exit
24+ .global atexit
25+ .global main
26+
27+ .text
28+
29+ /* r1: argc */
30+ /* r2: argv */
31+ /* r3: envp */
32+_start:
33+ bsr __uClibc_main
34+
35+ /* If that didn't kill us, ... */
36+__exit:
37+ mov.l #1,r8 /* NR_exit */
38+ int #0x08
39+
40+/*
41+ * this was needed for gcc/g++-builds, atexit was not getting included
42+ * for some stupid reason, this gets us a compiler
43+ */
44+empty_func:
45+ rts
46+ .weak atexit
47+ atexit = empty_func
48+
49+
50+/* Define a symbol for the first piece of initialized data. */
51+ .data
52+ .globl __data_start
53+__data_start:
54+ .long 0
55+ .weak data_start
56+ data_start = __data_start
--- /dev/null
+++ b/libc/sysdeps/linux/rx/crti.S
@@ -0,0 +1,25 @@
1+ .file "crti.S"
2+ .text
3+
4+ .section .init
5+ .hidden _init
6+ .align 1
7+ .global _init
8+ .type _init, @function
9+_init:
10+ mov.l r6,[-r0]
11+ mov.l r0,r6
12+ bra 1f
13+ .align 1
14+1:
15+ .section .fini
16+ .hidden _fini
17+ .align 1
18+ .global _fini
19+ .type _fini, @function
20+_fini:
21+ mov.l r6,[-r0]
22+ mov.l r0,r6
23+ bra 1f
24+ .align 1
25+1:
--- /dev/null
+++ b/libc/sysdeps/linux/rx/crtn.S
@@ -0,0 +1,18 @@
1+ .file "crtn.S"
2+ .text
3+
4+ .section .init
5+ .hidden _init
6+ .align 1
7+ .global _init
8+ .type _init, @function
9+ mov.l [r0+],r6
10+ rts
11+
12+ .section .fini
13+ .hidden _fini
14+ .align 1
15+ .global _fini
16+ .type _fini, @function
17+ mov.l [r0+],r6
18+ rts
--- /dev/null
+++ b/libc/sysdeps/linux/rx/setjmp.S
@@ -0,0 +1,31 @@
1+#define _ASM
2+#define _SETJMP_H
3+#include <bits/setjmp.h>
4+
5+.globl setjmp
6+.type setjmp,@function
7+.globl __sigsetjmp
8+.type __sigsetjmp,@function
9+
10+ .text
11+ .align 4
12+setjmp:
13+ mov.l #1,r2 /* Always save sigmask */
14+__sigsetjmp:
15+ mov.l r6,[r1+]
16+ mov.l r7,[r1+]
17+ mov.l r8,[r1+]
18+ mov.l r9,[r1+]
19+ mov.l r10,[r1+]
20+ mov.l r11,[r1+]
21+ mov.l r12,[r1+]
22+ mov.l r13,[r1+]
23+ mov.l r14,[r1+]
24+ mov.l r15,[r1+]
25+ mov.l r0,[r1+]
26+ mov.l [r0],[r1]
27+ mov.l r2,4[r1] /* set mask_was_saved */
28+ mov.l #0,r1
29+ bra __sigjmp_save
30+
31+ .end
--- /dev/null
+++ b/libc/sysdeps/linux/rx/sys/procfs.h
@@ -0,0 +1,122 @@
1+/* Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+#ifndef _SYS_PROCFS_H
20+#define _SYS_PROCFS_H 1
21+
22+/* This is somewhat modelled after the file of the same name on SVR4
23+ systems. It provides a definition of the core file format for ELF
24+ used on Linux. It doesn't have anything to do with the /proc file
25+ system, even though Linux has one.
26+
27+ Anyway, the whole purpose of this file is for GDB and GDB only.
28+ Don't read too much into it. Don't use it for anything other than
29+ GDB unless you know what you are doing. */
30+
31+#include <features.h>
32+#include <sys/time.h>
33+#include <sys/types.h>
34+#include <sys/user.h>
35+
36+__BEGIN_DECLS
37+
38+/* Type for a general-purpose register. */
39+typedef unsigned long elf_greg_t;
40+
41+/* And the whole bunch of them. We could have used `struct
42+ user_regs_struct' directly in the typedef, but tradition says that
43+ the register set is an array, which does have some peculiar
44+ semantics, so leave it that way. */
45+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
46+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
47+
48+/* Signal info. */
49+struct elf_siginfo
50+ {
51+ int si_signo; /* Signal number. */
52+ int si_code; /* Extra code. */
53+ int si_errno; /* Errno. */
54+ };
55+
56+
57+/* Definitions to generate Intel SVR4-like core files. These mostly
58+ have the same names as the SVR4 types with "elf_" tacked on the
59+ front to prevent clashes with Linux definitions, and the typedef
60+ forms have been avoided. This is mostly like the SVR4 structure,
61+ but more Linuxy, with things that Linux does not support and which
62+ GDB doesn't really use excluded. */
63+
64+struct elf_prstatus
65+ {
66+ struct elf_siginfo pr_info; /* Info associated with signal. */
67+ short int pr_cursig; /* Current signal. */
68+ unsigned long int pr_sigpend; /* Set of pending signals. */
69+ unsigned long int pr_sighold; /* Set of held signals. */
70+ __pid_t pr_pid;
71+ __pid_t pr_ppid;
72+ __pid_t pr_pgrp;
73+ __pid_t pr_sid;
74+ struct timeval pr_utime; /* User time. */
75+ struct timeval pr_stime; /* System time. */
76+ struct timeval pr_cutime; /* Cumulative user time. */
77+ struct timeval pr_cstime; /* Cumulative system time. */
78+ elf_gregset_t pr_reg; /* GP registers. */
79+ int pr_fpvalid; /* True if math copro being used. */
80+ };
81+
82+
83+#define ELF_PRARGSZ (80) /* Number of chars for args. */
84+
85+struct elf_prpsinfo
86+ {
87+ char pr_state; /* Numeric process state. */
88+ char pr_sname; /* Char for pr_state. */
89+ char pr_zomb; /* Zombie. */
90+ char pr_nice; /* Nice val. */
91+ unsigned long int pr_flag; /* Flags. */
92+ unsigned short int pr_uid;
93+ unsigned short int pr_gid;
94+ int pr_pid, pr_ppid, pr_pgrp, pr_sid;
95+ /* Lots missing */
96+ char pr_fname[16]; /* Filename of executable. */
97+ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
98+ };
99+
100+
101+/* The rest of this file provides the types for emulation of the
102+ Solaris <proc_service.h> interfaces that should be implemented by
103+ users of libthread_db. */
104+
105+/* Addresses. */
106+typedef void *psaddr_t;
107+
108+/* Register sets. Linux has different names. */
109+typedef elf_gregset_t prgregset_t;
110+typedef elf_fpregset_t prfpregset_t;
111+
112+/* We don't have any differences between processes and threads,
113+ therefore have only one PID type. */
114+typedef __pid_t lwpid_t;
115+
116+/* Process status and info. In the end we do provide typedefs for them. */
117+typedef struct elf_prstatus prstatus_t;
118+typedef struct elf_prpsinfo prpsinfo_t;
119+
120+__END_DECLS
121+
122+#endif /* sys/procfs.h */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/sys/reg.h
@@ -0,0 +1,67 @@
1+/* Copyright (C) 1998 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+#ifndef _SYS_REG_H
20+#define _SYS_REG_H 1
21+
22+/* Index into an array of 4 byte integers returned from ptrace for
23+ location of the users' stored general purpose registers. */
24+
25+enum
26+{
27+ PT_R1 = 0,
28+#define PT_R0 PT_R0
29+ PT_R1 = 1,
30+#define PT_R1 PT_R1
31+ PT_R2 = 2,
32+#define PT_R2 PT_R2
33+ PT_R3 = 3,
34+#define PT_R3 PT_R3
35+ PT_R4 = 4,
36+#define PT_R4 PT_R4
37+ PT_R5 = 5,
38+#define PT_R5 PT_R5
39+ PT_R6 = 6,
40+#define PT_R6 PT_R6
41+ PT_R7 = 7,
42+#define PT_R7 PT_R7
43+ PT_R8 = 8,
44+#define PT_R8 PT_R8
45+ PT_R9 = 9,
46+#define PT_R9 PT_R9
47+ PT_R10 = 10,
48+#define PT_R10 PT_R10
49+ PT_R11 = 11,
50+#define PT_R11 PT_R11
51+ PT_R12 = 12,
52+#define PT_R12 PT_R12
53+ PT_R13 = 13,
54+#define PT_R13 PT_R13
55+ PT_R14 = 14,
56+#define PT_R14 PT_R14
57+ PT_R15 = 15,
58+#define PT_R15 PT_15
59+ PT_USP = 16,
60+#define PT_USP PT_USP
61+ PT_PC = 18,
62+#define PT_PC PT_PC
63+ PT_PSW = 19,
64+#define PT_PSW PT_PSW
65+};
66+
67+#endif /* _SYS_REG_H */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/sys/ucontext.h
@@ -0,0 +1,93 @@
1+/* Copyright (C) 1997, 1999, 2001 Free Software Foundation, Inc.
2+ This file is part of the GNU C Library.
3+
4+ The GNU C Library is free software; you can redistribute it and/or
5+ modify it under the terms of the GNU Lesser General Public
6+ License as published by the Free Software Foundation; either
7+ version 2.1 of the License, or (at your option) any later version.
8+
9+ The GNU C Library is distributed in the hope that it will be useful,
10+ but WITHOUT ANY WARRANTY; without even the implied warranty of
11+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12+ Lesser General Public License for more details.
13+
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with the GNU C Library; if not, write to the Free
16+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17+ 02111-1307 USA. */
18+
19+/* System V/m68k ABI compliant context switching support. */
20+
21+#ifndef _SYS_UCONTEXT_H
22+#define _SYS_UCONTEXT_H 1
23+
24+#include <features.h>
25+#include <signal.h>
26+
27+/* Type for general register. */
28+typedef int greg_t;
29+
30+/* Number of general registers. */
31+#define NGREG 16
32+
33+/* Container for all general registers. */
34+typedef greg_t gregset_t[NGREG];
35+
36+/* Number of each register is the `gregset_t' array. */
37+enum
38+{
39+ R_R0 = 0,
40+#define R_R0 R_R0
41+ R_R1 = 1,
42+#define R_R1 R_R1
43+ R_R2 = 2,
44+#define R_R2 R_R2
45+ R_R3 = 3,
46+#define R_R3 R_R3
47+ R_R4 = 4,
48+#define R_R4 R_R4
49+ R_R5 = 5,
50+#define R_R5 R_R5
51+ R_R6 = 6,
52+#define R_R6 R_R6
53+ R_R7 = 7,
54+#define R_R7 R_R7
55+ R_R8 = 8,
56+#define R_R8 R_R8
57+ R_R9 = 9,
58+#define R_R9 R_R9
59+ R_R10 = 10,
60+#define R_R10 R_R10
61+ R_R11 = 11,
62+#define R_R11 R_R11
63+ R_R12 = 12,
64+#define R_R12 R_R12
65+ R_R13 = 13,
66+#define R_R13 R_R13
67+ R_R14 = 14,
68+#define R_R14 R_R14
69+ R_R15 = 15,
70+#define R_R15 R_15
71+};
72+
73+/* Context to describe whole processor state. */
74+typedef struct
75+{
76+ gregset_t gregs;
77+ unsigned int usp;
78+ unsigned int vec;
79+ unsigned int pc;
80+ unsigned int psw;
81+} mcontext_t;
82+
83+/* Userlevel context. */
84+typedef struct ucontext
85+{
86+ unsigned long int uc_flags;
87+ struct ucontext *uc_link;
88+ stack_t uc_stack;
89+ mcontext_t uc_mcontext;
90+ __sigset_t uc_sigmask;
91+} ucontext_t;
92+
93+#endif /* sys/ucontext.h */
--- /dev/null
+++ b/libc/sysdeps/linux/rx/sys/user.h
@@ -0,0 +1,71 @@
1+#ifndef __ASM_RX_USER_H__
2+#define __ASM_RX_USER_H__
3+
4+/* This file copy of linux-2.6.3x */
5+
6+/* Core file format: The core file is written in such a way that gdb
7+ can understand it and provide useful information to the user (under
8+ linux we use the 'trad-core' bfd). There are quite a number of
9+ obstacles to being able to view the contents of the floating point
10+ registers, and until these are solved you will not be able to view the
11+ contents of them. Actually, you can read in the core file and look at
12+ the contents of the user struct to find out what the floating point
13+ registers contain.
14+ The actual file contents are as follows:
15+ UPAGE: 1 page consisting of a user struct that tells gdb what is present
16+ in the file. Directly after this is a copy of the task_struct, which
17+ is currently not used by gdb, but it may come in useful at some point.
18+ All of the registers are stored as part of the upage. The upage should
19+ always be only one page.
20+ DATA: The data area is stored. We use current->end_text to
21+ current->brk to pick up all of the user variables, plus any memory
22+ that may have been malloced. No attempt is made to determine if a page
23+ is demand-zero or if a page is totally unused, we just cover the entire
24+ range. All of the addresses are rounded in such a way that an integral
25+ number of pages is written.
26+ STACK: We need the stack information in order to get a meaningful
27+ backtrace. We need to write the data from (esp) to
28+ current->start_stack, so we round each of these off in order to be able
29+ to write an integer number of pages.
30+ The minimum core file size is 3 pages, or 12288 bytes.
31+*/
32+
33+struct user_regs_struct {
34+ long r[16];
35+ long usp;
36+ long vec;
37+ long pc;
38+ long psw;
39+};
40+
41+
42+/* When the kernel dumps core, it starts by dumping the user struct -
43+ this will be used by gdb to figure out where the data and stack segments
44+ are within the file, and what virtual addresses to use. */
45+struct user{
46+/* We start with the registers, to mimic the way that "memory" is returned
47+ from the ptrace(3,...) function. */
48+ struct user_regs_struct regs; /* Where the registers are actually stored */
49+/* ptrace does not yet supply these. Someday.... */
50+/* The rest of this junk is to help gdb figure out what goes where */
51+ unsigned long int u_tsize; /* Text segment size (pages). */
52+ unsigned long int u_dsize; /* Data segment size (pages). */
53+ unsigned long int u_ssize; /* Stack segment size (pages). */
54+ unsigned long start_code; /* Starting virtual address of text. */
55+ unsigned long start_stack; /* Starting virtual address of stack area.
56+ This is actually the bottom of the stack,
57+ the top of the stack is always found in the
58+ esp register. */
59+ long int signal; /* Signal that caused the core dump. */
60+ int reserved; /* No longer used */
61+ unsigned long u_ar0; /* Used by gdb to help find the values for */
62+ /* the registers. */
63+ unsigned long magic; /* To uniquely identify a core file */
64+ char u_comm[32]; /* User command that was responsible */
65+};
66+#define NBPG 4096
67+#define UPAGES 1
68+#define HOST_TEXT_START_ADDR (u.start_code)
69+#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
70+
71+#endif
--- /dev/null
+++ b/libc/sysdeps/linux/rx/vfork.S
@@ -0,0 +1,23 @@
1+#include <features.h>
2+
3+#include <asm/unistd.h>
4+
5+ .text
6+ .align 4
7+ .globl __vfork
8+ .hidden __vfork
9+ .type __vfork,@function
10+
11+__vfork:
12+ mov.l [r0+],r2
13+ mov.l #__NR_vfork,r8
14+ int #0x08
15+ cmp #-4096,r1
16+ bc 1f /* errno < 0 && errno >=4096 */
17+ jmp r2
18+1: mov.l r2,[-r0]
19+ bra __syscall_error
20+
21+weak_alias(__vfork,vfork)
22+libc_hidden_weak(vfork)
23+ .end