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base fork: m-labs/uclibc-lm32
base: f87898c
...
head fork: m-labs/uclibc-lm32
compare: 679f42b
Checking mergeability… Don't worry, you can still create the pull request.
  • 3 commits
  • 27 files changed
  • 0 commit comments
  • 3 contributors
Commits on Jul 07, 2011
@kraj kraj x86_64/elfinterp.c: Protect missed debug _dl_printf with __SUPPORT_LD…
…_DEBUG__

Signed-off-by: Khem Raj <raj.khem@gmail.com>
1537893
Commits on Jul 12, 2011
@dougmencken dougmencken ldso: fix build error due to missing variable 'st'
Fix a build error triggered when LDSO_PRELOAD_FILE_SUPPORT is enabled
due to missing definition of 'st' variable.

Signed-off-by: Douglas Mencken <dougmencken@gmail.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
63e6162
Commits on Jul 24, 2011
@mwalle mwalle lm32: initial LM32 port import
This patch adds support for the LatticeMico32 softcore by Lattice
Semiconductor.

Signed-off-by: Michael Walle <michael@walle.cc>
679f42b
Showing with 1,000 additions and 1 deletion.
  1. +8 −0 extra/Configs/Config.in
  2. +16 −0 extra/Configs/Config.lm32
  3. +3 −0  extra/Configs/defconfigs/lm32
  4. +1 −0  ldso/ldso/ldso.c
  5. +4 −1 ldso/ldso/x86_64/elfinterp.c
  6. +13 −0 libc/sysdeps/linux/lm32/Makefile
  7. +9 −0 libc/sysdeps/linux/lm32/Makefile.arch
  8. +40 −0 libc/sysdeps/linux/lm32/__longjmp.S
  9. +13 −0 libc/sysdeps/linux/lm32/bits/endian.h
  10. +240 −0 libc/sysdeps/linux/lm32/bits/fcntl.h
  11. +50 −0 libc/sysdeps/linux/lm32/bits/kernel_stat.h
  12. +37 −0 libc/sysdeps/linux/lm32/bits/kernel_types.h
  13. +24 −0 libc/sysdeps/linux/lm32/bits/setjmp.h
  14. +28 −0 libc/sysdeps/linux/lm32/bits/stackinfo.h
  15. +65 −0 libc/sysdeps/linux/lm32/bits/syscalls.h
  16. +48 −0 libc/sysdeps/linux/lm32/bits/uClibc_arch_features.h
  17. +26 −0 libc/sysdeps/linux/lm32/bits/uClibc_page.h
  18. +1 −0  libc/sysdeps/linux/lm32/bits/wordsize.h
  19. +62 −0 libc/sysdeps/linux/lm32/clone.S
  20. +21 −0 libc/sysdeps/linux/lm32/crt1.S
  21. +17 −0 libc/sysdeps/linux/lm32/crti.S
  22. +11 −0 libc/sysdeps/linux/lm32/crtn.S
  23. +53 −0 libc/sysdeps/linux/lm32/setjmp.S
  24. +128 −0 libc/sysdeps/linux/lm32/sys/procfs.h
  25. +41 −0 libc/sysdeps/linux/lm32/sys/ucontext.h
  26. +40 −0 libc/sysdeps/linux/lm32/sys/user.h
  27. +1 −0  test/Rules.mak
View
8 extra/Configs/Config.in
@@ -23,6 +23,7 @@ choice
default TARGET_i386 if DESIRED_TARGET_ARCH = "i386"
default TARGET_i960 if DESIRED_TARGET_ARCH = "i960"
default TARGET_ia64 if DESIRED_TARGET_ARCH = "ia64"
+ default TARGET_lm32 if DESIRED_TARGET_ARCH = "lm32"
default TARGET_m68k if DESIRED_TARGET_ARCH = "m68k"
default TARGET_microblaze if DESIRED_TARGET_ARCH = "microblaze"
default TARGET_mips if DESIRED_TARGET_ARCH = "mips"
@@ -75,6 +76,9 @@ config TARGET_i960
config TARGET_ia64
bool "ia64"
+config TARGET_lm32
+ bool "lm32"
+
config TARGET_m68k
bool "m68k"
@@ -170,6 +174,10 @@ if TARGET_ia64
source "extra/Configs/Config.ia64"
endif
+if TARGET_lm32
+source "extra/Configs/Config.lm32"
+endif
+
if TARGET_m68k
source "extra/Configs/Config.m68k"
endif
View
16 extra/Configs/Config.lm32
@@ -0,0 +1,16 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+ string
+ default "lm32"
+
+config FORCE_OPTIONS_FOR_ARCH
+ bool
+ default y
+ select ARCH_BIG_ENDIAN
+ select ARCH_HAS_NO_MMU
+ select ARCH_HAS_NO_LDSO
+ select HAVE_NO_PIC
View
3  extra/Configs/defconfigs/lm32
@@ -0,0 +1,3 @@
+TARGET_lm32=y
+UCLIBC_CTOR_DTOR=n
+UCLIBC_HAS_FPU=n
View
1  ldso/ldso/ldso.c
@@ -887,6 +887,7 @@ of this helper program; chances are you did not intend to run this program.\n\
char *preload;
int fd;
char c, *cp, *cp2;
+ struct stat st;
if (_dl_stat(LDSO_PRELOAD, &st) || st.st_size == 0) {
break;
View
5 ldso/ldso/x86_64/elfinterp.c
@@ -266,8 +266,11 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope,
_dl_memcpy((char *)reloc_addr,
(char *)symbol_addr,
sym_ref.sym->st_size);
- } else
+ }
+#if defined (__SUPPORT_LD_DEBUG__)
+ else
_dl_dprintf(_dl_debug_file, "no symbol_addr to copy !?\n");
+#endif
break;
default:
View
13 libc/sysdeps/linux/lm32/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
View
9 libc/sysdeps/linux/lm32/Makefile.arch
@@ -0,0 +1,9 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+CSRC :=
+SSRC := clone.S setjmp.S __longjmp.S
View
40 libc/sysdeps/linux/lm32/__longjmp.S
@@ -0,0 +1,40 @@
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <libc-symbols.h>
+
+.text
+.global C_SYMBOL_NAME(__longjmp)
+.type C_SYMBOL_NAME(__longjmp),@function
+.align 4
+
+C_SYMBOL_NAME(__longjmp):
+ /* load registers relative from r5 (arg0) */
+ lw r11, (r1+0)
+ lw r12, (r1+4)
+ lw r13, (r1+8)
+ lw r14, (r1+12)
+ lw r15, (r1+16)
+ lw r16, (r1+20)
+ lw r17, (r1+24)
+ lw r18, (r1+28)
+ lw r19, (r1+32)
+ lw r20, (r1+36)
+ lw r21, (r1+40)
+ lw r22, (r1+44)
+ lw r23, (r1+48)
+ lw r24, (r1+52)
+ lw r25, (r1+56)
+ lw gp, (r1+60)
+ lw fp, (r1+64)
+ lw sp, (r1+68)
+ lw ra, (r1+72)
+
+ mv r1, r2 /* copy val */
+ bne r1, r0, 1f
+ mvi r1, 1 /* val was zero, set it to 1 */
+1:
+ ret
+
+libc_hidden_def(__longjmp)
View
13 libc/sysdeps/linux/lm32/bits/endian.h
@@ -0,0 +1,13 @@
+/* This file should define __BYTE_ORDER as appropriate for the machine
+ in question. See string/endian.h for how to define it.
+
+ If only the stub bits/endian.h applies to a particular configuration,
+ bytesex.h is generated by running a program on the host machine.
+ So if cross-compiling to a machine with a different byte order,
+ the bits/endian.h file for that machine must exist. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
View
240 libc/sysdeps/linux/lm32/bits/fcntl.h
@@ -0,0 +1,240 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 2000 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 _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_GNU
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+# define O_DIRECT 040000 /* Direct disk access. */
+# define O_NOATIME 01000000 /* Do not set atime. */
+# define O_CLOEXEC 02000000 /* set close_on_exec */
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+ We define the symbols here but let them do the same as O_SYNC since
+ this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC O_SYNC /* Synchronize data. */
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+#else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+#endif
+#define F_GETLK64 12 /* Get record locking info. */
+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 14 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE 1024 /* Set a lease. */
+# define F_GETLEASE 1025 /* Enquire what lease is active. */
+# define F_NOTIFY 1026 /* Request notfications on a directory. */
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set on new fd. */
+# define F_SETPIPE_SZ 1031 /* Set of pipe page size array */
+# define F_GETPIPE_SZ 1032 /* Get of pipe page size array */
+#endif
+
+/* For F_[GET|SET]FL. */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* For old implementation of bsd flock(). */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#ifdef __USE_BSD
+/* Operations for bsd flock(), also used by the kernel implementation. */
+# define LOCK_SH 1 /* shared lock */
+# define LOCK_EX 2 /* exclusive lock */
+# define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+# define LOCK_UN 8 /* remove lock */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND 32 /* This is a mandatory flock: */
+# define LOCK_READ 64 /* ... which allows concurrent read operations. */
+# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
+# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY. */
+# define DN_ACCESS 0x00000001 /* File accessed. */
+# define DN_MODIFY 0x00000002 /* File modified. */
+# define DN_CREATE 0x00000004 /* File created. */
+# define DN_DELETE 0x00000008 /* File removed. */
+# define DN_RENAME 0x00000010 /* File renamed. */
+# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
+# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
+
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+#endif
+
+__BEGIN_DECLS
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+
+/* Provide kernel hint to read ahead. */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+
+/* Selective file content synch'ing. */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+ unsigned int __flags);
+
+/* Splice address range into a pipe. */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together. */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers. */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+#endif
+__END_DECLS
+
View
50 libc/sysdeps/linux/lm32/bits/kernel_stat.h
@@ -0,0 +1,50 @@
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+#ifndef _LIBC
+#error bits/kernel_stat.h is for internal uClibc use only!
+#endif
+
+struct kernel_stat
+{
+ unsigned long st_dev; /* Device. */
+ unsigned long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long st_rdev; /* Device number, if device. */
+ unsigned long __pad1;
+ long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim; /* Time of last access. */
+ struct timespec st_mtim; /* Time of last modification. */
+ struct timespec st_ctim; /* Time of last status change. */
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+
+struct kernel_stat64
+{
+ unsigned long long st_dev; /* Device. */
+ unsigned long long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long long st_rdev; /* Device number, if device. */
+ unsigned long long __pad1;
+ long long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim; /* Time of last access. */
+ struct timespec st_mtim; /* Time of last modification. */
+ struct timespec st_ctim; /* Time of last status change. */
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+
+#endif /* _BITS_STAT_STRUCT_H */
View
37 libc/sysdeps/linux/lm32/bits/kernel_types.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_LM32_POSIX_TYPES_H
+#define _ASM_LM32_POSIX_TYPES_H
+
+typedef unsigned long __kernel_ino_t;
+typedef unsigned int __kernel_mode_t;
+typedef unsigned int __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef int __kernel_ipc_pid_t;
+typedef unsigned int __kernel_uid_t;
+typedef unsigned int __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_timer_t;
+typedef int __kernel_clockid_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef __kernel_uid_t __kernel_uid32_t;
+typedef __kernel_gid_t __kernel_gid32_t;
+
+typedef __kernel_uid_t __kernel_old_uid_t;
+typedef __kernel_gid_t __kernel_old_gid_t;
+typedef unsigned int __kernel_old_dev_t;
+
+typedef long long __kernel_loff_t;
+
+typedef struct {
+ int val[2];
+} __kernel_fsid_t;
+
+#endif /* _ASM_LM32_POSIX_TYPES_H */
View
24 libc/sysdeps/linux/lm32/bits/setjmp.h
@@ -0,0 +1,24 @@
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef struct
+ {
+ int __regs[15]; /* callee-saved registers r11-r25 */
+ void *__gp; /* global pointer */
+ void *__fp; /* frame pointer */
+ void *__sp; /* stack pointer */
+ void *__ra; /* return address */
+ } __jmp_buf[1];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[0].__sp)
+
+#endif
View
28 libc/sysdeps/linux/lm32/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. Since there is no general truth we can't say
+ anything here. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
View
65 libc/sysdeps/linux/lm32/bits/syscalls.h
@@ -0,0 +1,65 @@
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+
+#ifndef __ASSEMBLER__
+
+#include <errno.h>
+
+#define __syscall_return(type, res) \
+ do { \
+ if (unlikely(INTERNAL_SYSCALL_ERROR_P(res, ))) { \
+ __set_errno(INTERNAL_SYSCALL_ERRNO(res, )); \
+ res = (unsigned long) -1; \
+ } \
+ return (type) (res); \
+ } while (0)
+
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+ ({ \
+ register int __ret __asm__("r1"); \
+ register int _scno __asm__("r8") = name; \
+ LOAD_ARGS_##nr (args); \
+ __asm__ __volatile__("scall" \
+ : "=r" (__ret) \
+ : "r"(_scno) ASM_ARGS_##nr \
+ : __SYSCALL_CLOBBERS ); \
+ __ret; \
+ })
+
+/* original port had ret >= -125 ?! */
+
+#define LOAD_ARGS_0() do { } while(0)
+#define ASM_ARGS_0
+#define LOAD_ARGS_1(a1) \
+ register int _a1 __asm__("r1") = (int)(a1); \
+ LOAD_ARGS_0()
+#define ASM_ARGS_1 ASM_ARGS_0, "r"(_a1)
+#define LOAD_ARGS_2(a1, a2) \
+ register int _a2 __asm__("r2") = (int)(a2); \
+ LOAD_ARGS_1(a1)
+#define ASM_ARGS_2 ASM_ARGS_1, "r"(_a2)
+#define LOAD_ARGS_3(a1, a2, a3) \
+ register int _a3 __asm__("r3") = (int)(a3); \
+ LOAD_ARGS_2(a1, a2)
+#define ASM_ARGS_3 ASM_ARGS_2, "r"(_a3)
+#define LOAD_ARGS_4(a1, a2, a3, a4) \
+ register int _a4 __asm__("r4") = (int)(a4); \
+ LOAD_ARGS_3(a1, a2, a3)
+#define ASM_ARGS_4 ASM_ARGS_3, "r"(_a4)
+#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
+ register int _a5 __asm__("r5") = (int)(a5); \
+ LOAD_ARGS_4(a1, a2, a3, a4)
+#define ASM_ARGS_5 ASM_ARGS_4, "r"(_a5)
+#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
+ register int _a6 __asm__("r6") = (int)(a6); \
+ LOAD_ARGS_5(a1, a2, a3, a4, a5)
+#define ASM_ARGS_6 ASM_ARGS_5, "r"(_a6)
+
+#define __SYSCALL_CLOBBERS
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
View
48 libc/sysdeps/linux/lm32/bits/uClibc_arch_features.h
@@ -0,0 +1,48 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+/* instruction used when calling abort() to kill yourself */
+/*#define __UCLIBC_ABORT_INSTRUCTION__ "asm instruction"*/
+#undef __UCLIBC_ABORT_INSTRUCTION__
+
+/* can your target use syscall6() for mmap ? */
+#define __UCLIBC_MMAP_HAS_6_ARGS__
+
+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
+
+/* does your target have a broken create_module() ? */
+#undef __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* needed probably only for ppc64 */
+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+/* define if target supports CFI pseudo ops */
+#undef __UCLIBC_HAVE_ASM_CFI_DIRECTIVES__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+/* only weird assemblers generally need this */
+#undef __UCLIBC_ASM_LINE_SEP__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
View
26 libc/sysdeps/linux/lm32/bits/uClibc_page.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This 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 _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#endif /* _UCLIBC_PAGE_H */
View
1  libc/sysdeps/linux/lm32/bits/wordsize.h
@@ -0,0 +1 @@
+#define __WORDSIZE 32
View
62 libc/sysdeps/linux/lm32/clone.S
@@ -0,0 +1,62 @@
+#include <features.h>
+#include <sys/syscall.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+#ifdef __NR_clone
+
+.text
+.global clone
+.type clone,@function
+.align 4
+
+clone:
+ be r1, r0, 1f
+ be r2, r0, 1f
+
+ #addi sp, sp, -8
+ #sw (sp+4), r11
+ #sw (sp+8), r12
+
+ /* save fn and arg */
+ #mv r11, r1
+ #mv r12, r4
+ addi r2, r2, -12
+ sw (r2+8), r4
+ sw (r2+4), r1
+
+ mvi r8, __NR_clone
+ scall
+
+ bg r0, r1, 0f
+
+ be r1, r0, __thread_start
+
+ #lw r11, (sp+4)
+ #lw r12, (sp+8)
+ #addi sp, sp, 8
+ ret
+
+__thread_start:
+ mvi fp, 0
+ #mv r1, r11
+ #mv r2, r12
+ lw r1, (sp+8)
+ lw r2, (sp+4)
+ call r2
+
+ calli HIDDEN_JUMPTARGET(_exit)
+
+ /* Stop the unstoppable. */
+9:
+ bi 9b
+
+1:
+ #mvi r3, -EINVAL
+0:
+ #calli __errno_location
+ #sw (r1+0), r3
+ mvi r1, -1
+ ret
+
+#endif /* __NR_clone */
View
21 libc/sysdeps/linux/lm32/crt1.S
@@ -0,0 +1,21 @@
+.text
+.globl _start
+.type _start,@function
+.type main,@function
+.type __uClibc_main,@function
+
+_start:
+ mvi fp, 0 /* clear fp */
+ mvhi r1, hi(main) /* main */
+ ori r1, r1, lo(main)
+ lw r2, (sp+0) /* argc */
+ addi r3, sp, 4 /* argv */
+ mvhi r4, hi(_init) /* app_init */
+ ori r4, r4, lo(_init)
+ mvhi r5, hi(_fini) /* app_fini */
+ ori r5, r5, lo(_fini)
+ mvi r6, 0 /* rtld_fini */
+ mv r7, sp /* stack_end */
+
+ calli __uClibc_main
+
View
17 libc/sysdeps/linux/lm32/crti.S
@@ -0,0 +1,17 @@
+.section .init
+.global _init
+.type _init,@function
+.align 4
+
+_init:
+ addi sp, sp, -4
+ sw (sp+4), ra
+
+.section .fini
+.global _fini
+.type _fini,@function
+.align 4
+
+_fini:
+ addi sp, sp, -4
+ sw (sp+4), ra
View
11 libc/sysdeps/linux/lm32/crtn.S
@@ -0,0 +1,11 @@
+.section .init
+
+ lw ra, (sp+4)
+ addi sp, sp, 4
+ ret
+
+.section .fini
+
+ lw ra, (sp+4)
+ addi sp, sp, 4
+ ret
View
53 libc/sysdeps/linux/lm32/setjmp.S
@@ -0,0 +1,53 @@
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <libc-symbols.h>
+
+.text
+.global C_SYMBOL_NAME(setjmp)
+.type C_SYMBOL_NAME(setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(setjmp):
+ mvi r2, 1 /* save the signal mask */
+ bi C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(_setjmp)
+.type C_SYMBOL_NAME(_setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(_setjmp):
+ mvi r2, 0 /* don't save the signal mask */
+ bi C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(__sigsetjmp)
+.type C_SYMBOL_NAME(__sigsetjmp),@function
+.align 4
+
+C_SYMBOL_NAME(__sigsetjmp):
+ /* save registers relative to r1 (arg0) */
+ sw (r1+0), r11
+ sw (r1+4), r12
+ sw (r1+8), r13
+ sw (r1+12), r14
+ sw (r1+16), r15
+ sw (r1+20), r16
+ sw (r1+24), r17
+ sw (r1+28), r18
+ sw (r1+32), r19
+ sw (r1+36), r20
+ sw (r1+40), r21
+ sw (r1+44), r22
+ sw (r1+48), r23
+ sw (r1+52), r24
+ sw (r1+56), r25
+ sw (r1+60), gp
+ sw (r1+64), fp
+ sw (r1+68), sp
+ sw (r1+72), ra
+
+ /* make a tail call to __sigjmp_save; it takes the same args */
+ bi C_SYMBOL_NAME(__sigjmp_save)
View
128 libc/sysdeps/linux/lm32/sys/procfs.h
@@ -0,0 +1,128 @@
+/* Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 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_PROCFS_H
+#define _SYS_PROCFS_H 1
+
+/* This is somewhat modelled after the file of the same name on SVR4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. It doesn't have anything to do with the /proc file
+ system, even though Linux has one.
+
+ Anyway, the whole purpose of this file is for GDB and GDB only.
+ Don't read too much into it. Don't use it for anything other than
+ GDB unless you know what you are doing. */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+
+/* Type for a general-purpose register. */
+#ifndef ELF_GREG_T
+#define ELF_GREG_T
+typedef unsigned long elf_greg_t;
+#endif
+
+#define ELF_NGREG 32
+
+#ifndef ELF_GREGSET_T
+#define ELF_GREGSET_T
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+#endif
+
+/* Register set for the floating-point registers. */
+#ifndef ELF_FPREGSET_T
+#define ELF_FPREGSET_T
+typedef elf_greg_t elf_fpregset_t;
+#endif
+
+struct elf_siginfo
+{
+ int si_signo; /* signal number */
+ int si_code; /* extra code */
+ int si_errno; /* errno */
+};
+
+
+/*
+ * Definitions to generate Intel SVR4-like core files.
+ * These mostly have the same names as the SVR4 types with "elf_"
+ * tacked on the front to prevent clashes with linux definitions,
+ * and the typedef forms have been avoided. This is mostly like
+ * the SVR4 structure, but more Linuxy, with things that Linux does
+ * not support and which gdb doesn't really use excluded.
+ * Fields present but not used are marked with "XXX".
+ */
+struct elf_prstatus
+{
+ struct elf_siginfo pr_info; /* Info associated with signal */
+ short pr_cursig; /* Current signal */
+ unsigned long pr_sigpend; /* Set of pending signals */
+ unsigned long pr_sighold; /* Set of held signals */
+ __kernel_pid_t pr_pid;
+ __kernel_pid_t pr_ppid;
+ __kernel_pid_t pr_pgrp;
+ __kernel_pid_t pr_sid;
+ struct timeval pr_utime; /* User time */
+ struct timeval pr_stime; /* System time */
+ struct timeval pr_cutime; /* Cumulative user time */
+ struct timeval pr_cstime; /* Cumulative system time */
+ elf_gregset_t pr_reg; /* GP registers */
+ int pr_fpvalid; /* True if math co-processor being used. */
+};
+
+#define ELF_PRARGSZ (80) /* Number of chars for args */
+
+struct elf_prpsinfo
+{
+ char pr_state; /* numeric process state */
+ char pr_sname; /* char for pr_state */
+ char pr_zomb; /* zombie */
+ char pr_nice; /* nice val */
+ unsigned long pr_flag; /* flags */
+ __kernel_uid_t pr_uid;
+ __kernel_gid_t pr_gid;
+ __kernel_pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ /* Lots missing */
+ char pr_fname[16]; /* filename of executable */
+ char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
+};
+
+
+/* The rest of this file provides the types for emulation of the
+ Solaris <proc_service.h> interfaces that should be implemented by
+ users of libthread_db. */
+
+/* Addresses. */
+typedef void *psaddr_t;
+
+/* Register sets. Linux has different names. */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+ therefore have only one PID type. */
+typedef __kernel_pid_t lwpid_t;
+
+/* Process status and info. In the end we do provide typedefs for them. */
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+
+#endif /* sys/procfs.h */
View
41 libc/sysdeps/linux/lm32/sys/ucontext.h
@@ -0,0 +1,41 @@
+/* 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 uc_flags;
+ struct ucontext *uc_link;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ __sigset_t uc_sigmask;
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */
View
40 libc/sysdeps/linux/lm32/sys/user.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 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 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_USER_H
+
+#define _SYS_USER_H 1
+#include <features.h>
+
+#include <asm/ptrace.h>
+
+struct user {
+ struct pt_regs regs; /* entire machine state */
+ size_t u_tsize; /* text size (pages) */
+ size_t u_dsize; /* data size (pages) */
+ size_t u_ssize; /* stack size (pages) */
+ unsigned long start_code; /* text starting address */
+ unsigned long start_data; /* data starting address */
+ unsigned long start_stack; /* stack starting address */
+ long int signal; /* signal causing core dump */
+ struct regs * u_ar0; /* help gdb find registers */
+ unsigned long magic; /* identifies a core file */
+ char u_comm[32]; /* user command name */
+};
+
+#endif /* sys/user.h */
View
1  test/Rules.mak
@@ -39,6 +39,7 @@ TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \
-e 's/mips.*/mips/' \
-e 's/cris.*/cris/' \
-e 's/xtensa.*/xtensa/' \
+ -e 's/lm32.*/lm32/' \
)
endif
export TARGET_ARCH

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